CN104566486A - Novel energy-saving lignite furnace chimney water jacket heater device - Google Patents

Novel energy-saving lignite furnace chimney water jacket heater device Download PDF

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Publication number
CN104566486A
CN104566486A CN201510014896.3A CN201510014896A CN104566486A CN 104566486 A CN104566486 A CN 104566486A CN 201510014896 A CN201510014896 A CN 201510014896A CN 104566486 A CN104566486 A CN 104566486A
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China
Prior art keywords
flue
wall
cylinder
heat
drum outer
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CN201510014896.3A
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Chinese (zh)
Inventor
赵文斌
张天宇
康强
李发阳
李勇凡
毛志新
张玉鹏
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China University of Petroleum East China
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China University of Petroleum East China
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Priority to CN201510014896.3A priority Critical patent/CN104566486A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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Abstract

The invention relates to a waste heat recovery energy-saving device and particularly relates to a novel energy-saving lignite furnace chimney water jacket heater device. The device comprises a flue outlet, flue outlet seal ring grooves, a fluid inlet, a cylinder inner wall, a cylinder outer wall, a thermal-insulation layer, supporting tubes, inner fins, a cylinder bottom, a flue inlet, flue inlet seal ring grooves, flue inlet threaded holes, flue inlet seal rings, flue outlets, a two-inlet faucet, fastening tubes, a temperature measuring unit, an air hole, flue outlet seal rings and a fixing unit. The cylinder outer wall and the cylinder bottom form a cavity which is divided into two portions through the cylinder inner wall, a smoke channel is formed on the inside, and water is held on the outside, the cylinder inner wall is fixedly connected with the flue outlet and the flue inlet respectively, and the whole cylinder outer wall and the cylinder bottom are wrapped by the thermal-insulation layer. By means of the device, directed at the defect of large sensible heat losses caused by lignite furnace smoke, secondary utilization of thermal energy is achieved through smoke waste heat, and accordingly, energy consumption is reduced, the air quality is improved, water is heated through smoke waste heat, and daily living requirements are met.

Description

A kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device
Technical field
Patent of the present invention relates to a kind of waste heat recovery recycling energy-saving equipment, particularly a kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device.
Background technology
Firewood and coal stove is a kind of heating furnace of current rural area extensive use, with coal, fuel wood, stalk, forestry leftover bits and pieces etc. for fuel, is mainly used in cooking, heating, heat supply, is also progressively applied to Greenhouse Heating in recent years.Conservative estimation is at the end of 2013, and China's coal wood stove quantity will reach 1.8 hundred million families.The thermal efficiency of firewood and coal stove is very low, be generally about 30%, the off-energy of firewood and coal stove is very large, comprises sensible heat that flue gas takes away, the accumulation of heat loss etc. of sensible heat that radiation when opening of heat loss when fuel is imperfect combustion, the radiation loss of device outer surface, the lid, door etc. of equipment and heat lost by vent vapour, equipment deslagging, flying dust, defective material etc. are taken away and equipment.Wherein the waste heat loss that takes away of flue gas is maximum, is about 40 ~ 50% of heat output of fuel.Xiao Chunjun, Gong Huaitao, Fan Zhijie etc. have made report to the practice of heating furnace waste heat recycling, think to be greater than 180 DEG C to gaseous carrier waste heat supply temperature, namely have use value, and propose " cascade utilization, high-quality height with " principle.
At present flue is directly connected with heat transferring medium pipeline Mist heat recovering by the equipment of firewood and coal stove high-temperature flue gas recycling, flue gas and heat transferring medium heat transfer area large not, and structure is too complicated, pipeline is more, flue gas loss in backflow, heat transfer process is serious, and cause the fume afterheat of a part not to be recovered, complete equipment cost is high, complex process is unfavorable for that vast rural area is promoted the use of, and extensive use is poor.A kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device, by increasing thermofin in flue, increase the heat transfer area of flue gas, and be directly connected with firewood and coal stove exhanst gas outlet, utilize the hot water of heating at any time, solve the problem that vast rural area utilizes hot water amount large winter very well, simple and practical, extensive use is good, and fume afterheat is utilized effectively, energy-saving effect is obvious, remarkable in economical benefits.
Summary of the invention
The present invention is intended to solve the problem, and which overcomes firewood and coal stove chimney emission temperature too high, serious heat loss, the shortcomings of contaminated environment, the secondary realizing heat energy utilizes, and reduces energy consumption, improve air quality, the hot water provided meets rural area daily life in winter demand.The technical solution used in the present invention is as follows:
A kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device, comprise flue outlet, flue outlet seal groove, fluid intake, cylinder inwall, drum outer wall, heat-insulation layer, stay pipe, inner fin, the cylinder end, flue entrance, flue entrance seal groove, flue entrance screwed hole, flue entrance sealing ring, fluid issuing, two inlet water tap, fastener tube, thermocouple, thermocouple socket, digital display thermometer, pore, flue outlet screwed hole, flue outlet sealing ring, a cavity is formed at the bottom of described drum outer wall and cylinder, cavity is divided into two parts by cylinder inwall, inner side is exhaust gases passes, outside splendid attire is added hot fluid, cylinder inwall is fixedly connected with flue entrance with flue outlet respectively, described heat-insulation layer wraps up at the bottom of whole drum outer wall and cylinder, hole is had in upper and lower and surrounding, bottom described drum outer wall, two fluid issuings be installed and be connected with two inlet water tap.
Further, stationary distribution three stay pipes around above-mentioned drum outer wall, and through a heat-insulation layer hinged fastener tube separately, its objective is the installation requirements in order to adapt under different condition.
Further, above-mentioned flue outlet is connected with the top of cylinder inwall and drum outer wall respectively, at uniform three the flue outlet screwed holes of flue outlet, interior survey processing cigarette says mouth sealing ring groove, and flue outlet sealing ring is installed wherein, its object is to joint bolt and sealing ring, strengthen the sealing that chimney is connected with heating furnace, flue entrance is connected with the bottom of cylinder inwall and drum outer wall respectively, at uniform three the flue entrance screwed holes of flue entrance, at interior survey processing flue inlet seal ring recess, and flue entrance sealing ring is installed wherein.
Further, survey in above-mentioned cylinder inwall, be namely uniformly distributed nine inner fins in flue and be fixedly connected with surveying in cylinder inwall respectively, increasing the heat transfer area of flue gas, the utilization rate of raising fume afterheat.
Further, above-mentioned heat-insulation layer adopts heat transfer coefficient to be 0.7W/ (m DEG C) material, reduces heat transfer efficiency, reduces the heat loss of heating furnace, forms the angle of 15 °, guarantees the water in stove to drain completely, avoid corroding cylindrical shell at the bottom of cylinder with horizontal plane.
Further, open fluid intake, thermocouple socket and pore around the top of above-mentioned drum outer wall and flue entrance, these three openings are through heat-insulation layer, and wherein digital display thermometer is connected with thermocouple and stretches in cylinder from thermocouple socket.
The present invention has the following advantages: owing to have employed technique scheme, and the high-temperature flue gas that firewood and coal stove is discharged by the present invention directly passes into heating furnace inner core, utilizes inner tube wall and inner fin to absorb the also heat of flue gas, then waste heat is passed to the water in a chamber, heating water.Energy-conserving and environment-protective of the present invention, the secondary realizing heat energy utilizes, and reduces energy consumption, economize energy, improve air quality, utilize fume afterheat heating water simultaneously, hot water meets rural area daily life in winter demand, which overcome chimney emission temperature too high, serious heat loss, the shortcomings of contaminated environment.
Accompanying drawing explanation
Fig. 1: the overall assembly structure figure of apparatus of the present invention;
Fig. 2: the overall construction drawing of apparatus of the present invention;
Top view in Fig. 3: Fig. 2;
Top view in Fig. 4: Fig. 2;
Fig. 5: the temperature measuring mechanism structure chart of apparatus of the present invention;
Fig. 6: the overall construction drawing of apparatus of the present invention cylinder;
A-A sectional view in Fig. 7: Fig. 6;
B-B sectional view in Fig. 8: Fig. 6;
Fig. 9: two inlet water tap structure figure of apparatus of the present invention.
Symbol description
1. flue outlet 2., flue outlet seal groove, 3. fluid intake, 4. an inwall, 5. drum outer wall, 6. heat-insulation layer, 7. stay pipe, 8. inner fin, 9. tin, 10 flue entrances, 11. flue entrance seal grooves, 12. flue entrance screwed holes, 13. flue entrance sealing rings, 14. fluid issuings, 15. pairs of inlet water taps, 16. fastener tube, 17. thermocouples, 18. thermocouple sockets, 19. digital display thermometers, 20. pores, 21. flue outlet screwed holes, 22. flue outlet sealing rings.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with drawings and Examples, setting forth the present invention further.
Embodiment:
As shown in figures 1-8, a kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device of the present invention, comprises flue outlet 1, flue outlet seal groove 2, fluid intake 3, cylinder inwall 4, drum outer wall 5, heat-insulation layer 6, stay pipe 7, inner fin 8, the cylinder end 9, flue entrance 10, flue entrance seal groove 11, flue entrance screwed hole 12, flue entrance sealing ring 13, fluid issuing 14, two inlet water tap 15, fastener tube 16, thermocouple 17, thermocouple socket 18, digital display thermometer 19, pore 20, flue outlet screwed hole 21, flue outlet sealing ring 22, described drum outer wall 5 with 9 form a cavity at the bottom of cylinder, cavity is divided into two parts by cylinder inwall 4, inner side is exhaust gases passes, outside splendid attire is added hot fluid, and cylinder inwall 4 is fixedly connected with flue entrance 10 with flue outlet 1 respectively, and described heat-insulation layer 69 will to wrap up at the bottom of whole drum outer wall 5 and cylinder, have hole in upper and lower and surrounding, two fluid issuings 14 are installed bottom described drum outer wall 5 and are also connected with two inlet water tap 15.
Preferred drum outer wall 5 surrounding stationary distribution three stay pipes 7, and through a heat-insulation layer 6 hinged fastener tube 16 separately, its objective is the installation requirements in order to adapt under different condition.
Preferred flue outlet 1 is connected with the top of cylinder inwall 4 and drum outer wall 5 respectively, at uniform three the flue outlet screwed holes 21 of flue outlet 1, mouth sealing ring groove 2 is said at interior survey processing cigarette, and flue outlet sealing ring 22 is installed wherein, its object is to joint bolt and sealing ring, strengthen the sealing that chimney is connected with heating furnace, flue entrance 10 is connected with the bottom of cylinder inwall 4 and drum outer wall 5 respectively, at uniform three the flue entrance screwed holes 12 of flue entrance 10, at interior survey processing flue inlet seal ring recess 11, and flue entrance sealing ring 13 is installed wherein.
Survey in preferred cylinder inwall 4, be namely uniformly distributed nine inner fins 8 in flue and be fixedly connected with interior survey of cylinder inwall 4 respectively, increasing the heat transfer area of flue gas, improve the utilization rate of fume afterheat.
Preferred heat-insulation layer adopts heat transfer coefficient to be 0.7W/ (m DEG C) material, reduces heat transfer efficiency, reduces the heat loss of heating furnace, forms the angle of 15 °, guarantees the water in stove to drain completely, avoid corroding cylindrical shell at the bottom of cylinder with horizontal plane.
Open fluid intake 3, thermocouple socket 18 and pore 20 around the top of preferred drum outer wall 5 and flue entrance 10, these three openings are through heat-insulation layer 6, and wherein digital display thermometer 19 is connected with thermocouple 17 and stretches in cylinder from thermocouple socket 18.
A kind of workflow of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device is: during use, flue entrance 10 is connected with the exhanst gas outlet of stove, and fixed by the flue entrance screwed hole 12 on flue entrance 10, flue outlet 1 is connected with the chimney stretching to outdoor, and fixed by flue outlet screwed hole 21, and be arranged on flue entrance seal groove 11 respectively with flue entrance sealing ring 1 and flue outlet sealing ring 22 and flue outlet seal groove 2 guarantees that flue gas is not revealed.Then, in sleeve, inject water by fluid intake 3, the volume of sleeve is approximately 27L.In time lighting domestic burners, flue gas constantly passes from the inner core of heating furnace, the heating water while of when smoke discharging, when using hot water, directly opening two inlet water tap 15 and discharging water.
Calculate as follows with regard to the energy-saving efficiency of heating furnace and heat insulation effect below.
The temperature of flue entrance 10 is T 1=310 DEG C, the temperature of flue outlet 1 is T 2=135 DEG C, the internal diameter of the flue of heating furnace is d 1=154mm, the gas componant (the composition CO 13%H2O 11%N276% of flue gas holds for 0.27kcal/kg DEG C at the average specific heat at constant pressures of 100 DEG C ~ 600 DEG C) of flue, average flue gas proportion presses 1.25kg/m 3calculate, average flue gas flow rate presses v=0.95m/s, and the heat loss that water absorbs waste heat and heat transfer is 10%.
The flue gas gross weight flow through per hour is
M=π×0.154 2×0.95×3600×1.25=79.59kg
Available fume afterheat per hour is
Q=79.59×0.27×(310-135)×(1-10%)=3384.57kcal/h
Use 8 hours every day with stove, annual approximately use 165 days, the calorific value of coal is pressed 5000kcal/kg and is calculated, and the price of coal per ton is by 500 yuan of calculating.
The expense that often cover stove is saved every year is
Y=3384.57/5000 × 8 × 165=893.5 unit
With the heat insulation effect of multi-layer cylinder wall heat conduction checking heating furnace, drum outer wall 5 diameter is Φ 320 × 2, and the thickness of heat-insulation layer 6 is 50mm, the thermal conductivity factor λ of drum outer wall 5 1=45W/ (m DEG C), the thermal conductivity factor λ of heat-insulation layer 6 2=0.7W/ (m DEG C), the water temperature t after heating 1=70 DEG C, environment temperature t 2=20 DEG C, in drum outer wall 5, survey radius r 1=158mm, outer radius r 2=160mm, heat-insulation layer radius r 3=210mm.
Heat loss when not having heat-insulation layer 6 is
q 1 = 2 π λ 1 ( t 1 - t 2 ) / ln r 2 r 1 = 1123000 W / m
Heat loss when there being heat-insulation layer 6 is
q 2 = 2 π ( t 1 - t 2 ) / ( 1 λ 1 ln r 2 r 1 + 1 λ 2 ln r 3 r 2 ) = 805.13 W / m
The heat insulation effect of heat-insulation layer 6 is
η=(q 2-q 1)/q 2×100%=99.8%
Visible by above-described embodiment, a kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device of the present invention, structure is simple, cheap, heat insulation effect is obvious, reaches 99.8%, obviously, remarkable in economical benefits, every complete equipment is the conservative spending can saving about 900 yuan every year for environmental protection, energy-saving effect.
Upper display and describe general principle of the present invention, principal character and advantage of the present invention.The present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (6)

1. a novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device, is characterized in that: comprise flue outlet (1), flue outlet seal groove (2), fluid intake (3), cylinder inwall (4), drum outer wall (5), heat-insulation layer (6), stay pipe (7), inner fin (8), the cylinder end (9), flue entrance (10), flue entrance seal groove (11), flue entrance screwed hole (12), flue entrance sealing ring (13), fluid issuing (14), two inlet water tap (15), fastener tube (16), thermocouple (17), thermocouple socket (18), digital display thermometer (19), pore (20), flue outlet screwed hole (21), flue outlet sealing ring (22), described drum outer wall (5) forms a cavity with (9) at the bottom of cylinder, cavity is divided into two parts by cylinder inwall (4), inner side is exhaust gases passes, outside splendid attire is added hot fluid, cylinder inwall (4) is fixedly connected with flue entrance (10) with flue outlet (1) respectively, described heat-insulation layer (6) is by (9) parcel at the bottom of whole drum outer wall (5) and cylinder, have hole in upper and lower and surrounding, described drum outer wall (5) bottom is installed two fluid issuings (14) and is also connected with two inlet water tap (15).
2. a kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device according to claims 1, it is characterized in that drum outer wall (5) stationary distribution three stay pipes (7) around, and through heat-insulation layer (6) hinged fastener tube (16) separately.
3. a kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device according to claims 1, it is characterized in that flue outlet (1) is connected with the top of cylinder inwall (4) and drum outer wall (5) respectively, uniform three the flue outlet screwed holes (21) of flue outlet (1), mouth sealing ring groove (2) is said at interior survey processing cigarette, and flue outlet sealing ring (22) is installed wherein, flue entrance (10) is connected with the bottom of cylinder inwall (4) and drum outer wall (5) respectively, uniform three the flue entrance screwed holes (12) of flue entrance (10), interior survey processing flue inlet seal ring recess (11), and flue entrance sealing ring (13) is installed wherein.
4. a kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device according to claims 1, it is characterized in that surveying in an inwall (4), be namely uniformly distributed nine inner fins (8) in flue and be fixedly connected with surveying in cylinder inwall (4) respectively.
5. a kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device according to claims 1, it is characterized in that heat-insulation layer (6) adopts heat transfer coefficient to be 0.7W/ (m DEG C) material, (9) at the bottom of cylinder and horizontal plane form the angle of 15 °.
6. a kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device according to claims 1 and 3, it is characterized in that top and the flue entrance (10) of drum outer wall (5) open fluid intake (3), thermocouple socket (18) and pore (20) around, these three openings are through heat-insulation layer (6), and wherein digital display thermometer (19) is connected with thermocouple (17) and stretches in cylinder from thermocouple socket (18).
CN201510014896.3A 2015-01-13 2015-01-13 Novel energy-saving lignite furnace chimney water jacket heater device Pending CN104566486A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107897331A (en) * 2017-11-22 2018-04-13 广西带路科技有限公司 Three-stage flue meat smoking device
CN108029741A (en) * 2017-11-22 2018-05-15 广西带路科技有限公司 A kind of flue bacon smokes device
CN108180632A (en) * 2017-12-29 2018-06-19 崔秀萍 A kind of condenser pipe and its method for heating agent water system
CN112128788A (en) * 2020-09-27 2020-12-25 浙江华疆科技有限公司 Safe and energy-saving chimney and use method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86208420U (en) * 1986-11-01 1987-11-18 侯德善 Energy-saving multi-purpose cooking range
CN88200894U (en) * 1988-02-03 1988-12-21 王郑生 Ring type heat exchanger
CN2143736Y (en) * 1992-09-12 1993-10-13 陈世彪 Heat exchanger for shower
CN2373701Y (en) * 1999-04-29 2000-04-12 杨云昌 Chimney water heater
CN101525892A (en) * 2008-03-07 2009-09-09 上海市南洋模范中学 Tap water tank
CN204421076U (en) * 2015-01-13 2015-06-24 中国石油大学(华东) A kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86208420U (en) * 1986-11-01 1987-11-18 侯德善 Energy-saving multi-purpose cooking range
CN88200894U (en) * 1988-02-03 1988-12-21 王郑生 Ring type heat exchanger
CN2143736Y (en) * 1992-09-12 1993-10-13 陈世彪 Heat exchanger for shower
CN2373701Y (en) * 1999-04-29 2000-04-12 杨云昌 Chimney water heater
CN101525892A (en) * 2008-03-07 2009-09-09 上海市南洋模范中学 Tap water tank
CN204421076U (en) * 2015-01-13 2015-06-24 中国石油大学(华东) A kind of novel energy-conserving firewood and coal stove chimney water sleeve heating furnace device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107897331A (en) * 2017-11-22 2018-04-13 广西带路科技有限公司 Three-stage flue meat smoking device
CN108029741A (en) * 2017-11-22 2018-05-15 广西带路科技有限公司 A kind of flue bacon smokes device
CN108180632A (en) * 2017-12-29 2018-06-19 崔秀萍 A kind of condenser pipe and its method for heating agent water system
CN112128788A (en) * 2020-09-27 2020-12-25 浙江华疆科技有限公司 Safe and energy-saving chimney and use method thereof

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Application publication date: 20150429