CN102132947A - Heater for bulk curing barn - Google Patents
Heater for bulk curing barn Download PDFInfo
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- CN102132947A CN102132947A CN 201010101579 CN201010101579A CN102132947A CN 102132947 A CN102132947 A CN 102132947A CN 201010101579 CN201010101579 CN 201010101579 CN 201010101579 A CN201010101579 A CN 201010101579A CN 102132947 A CN102132947 A CN 102132947A
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Abstract
The invention discloses a heater for a bulk curing barn, which comprises a heating furnace and a heat exchanger. A furnace top heat radiating fin is arranged on a furnace top gland; a secondary air inlet passage for negative-pressure combustion is arranged on the outer wall of a furnace body; the heat exchanger comprises a left fire box, a right fire box and a heat exchange pipe which is positioned between the two fire boxes and communicated with the fire boxes; a bracket and a smoke passage which is communicated with an inner cavity of the furnace body are installed on the furnace top gland; a fin is arranged on the outer wall of the smoke passage; the bracket is supported under the left fire box of the heat exchanger; and the right fire box of the heat exchanger is communicated with the inner cavity of the furnace body through the smoke passage. The heater disclosed by the invention not only has a compact structure but also has the natural convection heat exchange efficiency of reaching more than 44 percent and the ventilating heat exchange efficiency of reaching more than 47 percent; the equipment is provided with a dust removing device, reduces the accumulated dust on a heat radiating pipe and is provided with a positive-pressure combustion-supporting fan, a negative-pressure combustion-supporting fan and a proper chimney; accordingly, compared with the traditional heater, the heater has good heat exchange effect and improves the precision of temperature control.
Description
Technical field
The invention belongs to the flue-cured tobacco heater, be specifically related to a kind of heater that is used for bulk curing barn.
Background technology
Present flue-cured tobacco equipment not only fire coal can not fully burn, and heat can not be fully utilized, in order to improve the flue-cured tobacco device heat efficiency, the energy savings number of patent application is to have disclosed a kind of heating area that increased in 200720117320.0 " intensive environmental protection and energy saving flue-curing device ", again unburnt hot flue gas is sent into the body of heater afterbody again, both absorbed exhaust temperature, help the combustion chamber combustion-supporting again, replenish the heat of radiating tube, coal can fully be burnt, the flue-curing device of over-emitting black exhaust not, this device has improved the thermal efficiency.But this intensive environmental protection and energy saving flue-curing device heat exchange efficiency is lower.
Summary of the invention
The object of the present invention is to provide a kind of compact conformation, heat exchange efficiency height, temperature control precision height, the heater of energy-efficient a kind of bulk curing barn.
The present invention is achieved by the following technical solutions: a kind of heater that is used for bulk curing barn, comprise heating furnace and heat exchanger, offer the firedoor frame mouth on the body of heater, be equipped with fire door on it, fire grate is arranged in the body of heater, be equipped with refractory lining on the inboard wall of furnace body on fire grate top, upper of furnace body is the furnace roof end socket, and the body of heater bottom is an ashcan, ashcan wall one side is provided with blast orifice, be provided with the malleation combustion fan herein, the ashcan of body of heater bottom is provided with ash pit door, is equipped with the furnace roof fin on the furnace roof end socket; Secondary air passage when furnace body outer wall is provided with negative-pressure firing; Heat exchanger by about two fire-boxes and between two fire-boxes and the heat exchanger tube that is connected with them formed, on the left end wall of left fire-box, left cleaning door and chimney interface are arranged, on the cleaning door of a left side left shoot door is housed, on right fire-box right-hand member wall, right cleaning door is housed, right shoot door is housed on it; The exhaust gases passes that bracing frame is housed on the furnace roof end socket and communicates with the body of heater inner chamber, the outer wall of exhaust gases passes is provided with fin; Bracing frame is supported on the left fire-box bottom of heat exchanger, and the right fire-box of heat exchanger is by exhaust gases passes and body of heater intracavity inter-connection; Laterally an end of chimney is contained in the chimney interface place, and hot heat exchanger tube is connected with horizontal chimney, and laterally the other end of chimney is connected with vertical chimney, and this end also has the combustion-supporting air inlet of negative pressure, and the negative pressure combustion fan is equipped with at the combustion-supporting air inlet of negative pressure place.
The body of heater of described heating furnace be cylindrical or elliptical cylinder-shape or cuboid in any one, upper of furnace body is equipped with all body of heater fin, the height that is equipped with refractory lining on the inboard wall of furnace body is the 1/3-2/5 of body of heater height, the door inwall of fire door on the body of heater and ash pit door snaps together with wall outdoors, the door inwall be equipped with refractory material outdoors between the wall, the inboard asbestos cord that studs with of door on every side.
Described refractory lining is made up of the refractory brick of band radian, and leaning on the refractory brick of fire door that the thickness of one end is arranged is 1/2 of other position thickness of refractory brick, and this end is away from fire door; The thickness at the two ends of other refractory brick is 1/2 of other position thickness of refractory brick, and the end of adjacent two blocks of refractory brick coincides together.
Up and down three layers of hole that communicates with the fire-box cavity are all arranged on the inwall of two fire-boxes about in the described heat exchanger, and about hole size on two fire-box inwalls identical, the position is corresponding; Evenly distributed three of ground floor that count from the top down in hole on the inwall and the equal level of the second layer, evenly distributed four of the 3rd layer of level, the radial centre lines in ground floor and second layer hole coincides; The radial centre lines in the 3rd layer of hole and the dislocation of the radial centre lines in first, second layer hole are arranged; Be provided with the flue gas dividing plate between inherent ground floor of right fire-box cavity and the second layer hole, in left fire-box cavity, between the second layer and the 3rd layer of hole, be provided with the flue gas dividing plate; All install a heat exchanger tube between corresponding two holes, position on left side fire-box inwall and the right fire-box inwall; Heat exchanger tube is provided with radiating fin.
Heat exchanger tube in the described heat exchanger is the steel pipe; Described left shoot door is positioned at the bottom of left fire-box left end wall, and the top of left fire-box left end wall has the throat that horizontal chimney is installed.
The other end of described horizontal chimney has the connected entrance that is connected with vertical chimney, is fixed with adpting flange on the connected entrance, and vertical chimney is assemblied on the horizontal chimney by adpting flange, and is connected with horizontal chimney by connected entrance; Laterally the end of the chimney other end is equipped with the chimney shoot door.
Heater among the present invention is compact conformation not only, and its heat transfer free convection efficient reaches more than 44%, and ventilation heat exchange efficient reaches more than 47%; Because this equipment has deashing device and reduced the dust stratification on the radiating tube, and have malleation and two kinds of combustion fans of negative pressure and appropriate chimney design, so the more existing heater good effect of heat exchange of this heater, and improved temperature controlled accuracy.This heater has energy-efficient feature, and its efficient reaches 65-70%.If heater adopts acid resisting steel, it also has the characteristics of long service life.
Description of drawings
Fig. 1 is that master of the present invention looks schematic diagram;
Fig. 2 is the cut-away view of Fig. 1;
Fig. 3 is the sectional view of the Q-Q of refractory lining among Fig. 1;
Fig. 4 is that schematic diagram is looked on the left side of the right fire-box in the heat exchanger;
Fig. 5 is that schematic diagram is looked on the right side of the left fire-box in the heat exchanger;
Fig. 6 is that schematic diagram is looked on the left side of the left fire-box in the heat exchanger;
Fig. 7 is that schematic diagram is looked on the right side of the right fire-box in the heat exchanger.
The specific embodiment
Embodiment
A kind of heater that is used for bulk curing barn, comprise heating furnace A and heat exchanger B, offer the firedoor frame mouth on the body of heater 1 of heating furnace A, be equipped with fire door 4 on it, fire grate 3 is arranged in the body of heater 1, be equipped with refractory lining 6 on the inboard wall of furnace body on fire grate top, body of heater 1 top is furnace roof end socket 8, and body of heater 1 bottom is an ashcan, the coal ash outlet is arranged on the ashcan, ash pit door 2 is housed on it, and ashcan wall one side is provided with blast orifice 27a, is provided with malleation combustion fan 27 herein; Be equipped with furnace roof fin 9 on the furnace roof end socket 8; Secondary air passage 5 when on the outer wall of furnace body wall 7 negative-pressure firing being arranged; Heat exchanger B by about two fire-boxes and between two fire-boxes and the heat exchanger tube 22 that is connected with them formed, on the left end wall of left fire-box 17, left cleaning door is arranged, left shoot door 18 is housed on it, on right fire-box 13 right-hand member walls, right cleaning door is arranged, right shoot door 14 is housed on it, bracing frame 10 is housed on the furnace roof end socket 8, and the exhaust gases passes 11 that communicates with the body of heater inner chamber, bracing frame 10 is supported on left fire-box 17 bottoms of heat exchanger B, exhaust gases passes 11 is provided with exhaust gases passes flange 21, the right fire-box 13 of heat exchanger B links together by exhaust gases passes flange 21 and exhaust gases passes 11, and with the body of heater intracavity inter-connection; In order to make the heat exchange better effects if, fin 12 is set on the outer wall of exhaust gases passes 11.
The body of heater of heating furnace A is cylindrical, all body of heater fin 9a are equipped with on the top of the outer wall of furnace body wall 7, the refractory lining 6 that is equipped with on the inwall of furnace body wall 7, the height of refractory lining 6 is the 1/3-2/5 of body of heater height, the door inwall of fire door 4 on the body of heater and ash pit door 2 all is to use the sheet metal manufacturing with wall outdoors, and the door inwall snaps together with wall outdoors, and door inwall and be equipped with refractory material outdoors between the wall, be bumped into asbestos cord around door is inboard, to play better sealing effectiveness.
The refractory lining of being adorned in the body of heater 16 is made up of the refractory brick of band radian, and leaning on the refractory brick 6a of fire door that the thickness of one end is arranged is 1/2 of other position thickness of refractory brick, and this end is away from fire door 4; The thickness at the two ends of other refractory brick 6b and 6c is 1/2 of other position thickness of refractory brick, and thickness is that the end that 1/2 part of other position thickness of refractory brick is adjacent refractory brick coincides together (as shown in Figure 2) when packing in the body of heater.The bracing ring 6d that refractory lining 6 and inboard wall of furnace body close proximity, the inwall bottom of refractory lining have a circle to make with angle bar makes the location, inwall bottom of refractory lining 6 with it.
Up and down three layers of hole that communicates with the fire-box cavity are all arranged on the inwall of two fire-boxes about among the heat exchanger B, and the hole 13a on right fire-box 13 inwalls is identical with hole 17a size on left fire-box 17 inwalls, the position is corresponding; Hole on the fire-box inwall of the left and right sides is the ground floor and evenly distributed three holes of the equal level of the second layer of counting from the top down, the 3rd layer of evenly distributed four hole of equal level, and the radial centre lines in ground floor and second layer hole coincides; Radial centre lines m ' the n ' in the 3rd layer of hole and the staggered arrangement of the radial centre lines mn in first and second layer hole; Be provided with flue gas dividing plate 16 between the inherent ground floor hole of right fire-box cavity and the second layer hole, in left fire-box cavity between second layer hole and the 3rd layer of hole, be provided with flue gas dividing plate 20, all being fixed on the inwall of fire-box all around of flue gas dividing plate; All install a heat exchanger tube 22 between corresponding two holes, position on left side fire-box 17 inwalls and right fire-box 13 inwalls, therefore, heat exchanger tube 22 also is three layers, and the ground floor of Shuoing and the second layer are three heat exchanger tubes 22 for every layer from the top down; The 3rd layer is four heat exchanger tubes 22, and every heat exchanger tube 22 is provided with radiating fin 22a, or only on the heat exchanger tube 22 of the second layer and the 3rd layer radiating fin 22a is set, and the heat exchanger tube of ground floor adopts light pipe, and radiating fin is not set on it.Heat exchanger tube in heat exchanger of the present invention is the steel pipe.On the right fire-box 13 right-hand member walls right shoot door 14 is installed among the heat exchanger B.On the left end wall of left side fire-box 17 left shoot door 18 is installed, and has the chimney interface 23a that is used to install horizontal chimney 23; Left side shoot door 18 is positioned at the bottom of left fire-box left end wall, and when shoot door did not need to open, available bolt 15 was fixed on it on the fire-box end wall.Chimney interface 23a opens on the top of left fire-box 17 left end walls, and chimney interface 23a communicates with the fire-box that the ground floor heat exchanger tube gathers, and laterally an end of chimney 23 is contained in chimney interface 23a place, and heat exchanger tube 22 is connected with horizontal chimney 23.
Laterally the other end of chimney 23 has the connected entrance 25a that is connected with vertical chimney 25, is fixed with adpting flange 24 on the connected entrance 25a, and vertical chimney 25 is assemblied on the horizontal chimney 23 by adpting flange 24, and is connected with horizontal chimney 23 by connected entrance 25a; Laterally the end of chimney 23 other ends (promptly away from heat exchanger one end) is equipped with chimney shoot door 26.Laterally also have the combustion-supporting air inlet 28a of negative pressure on the chimney 23, the combustion-supporting air inlet 28a of negative pressure correlates mutually with connected entrance 25a upper-lower position, and the combustion-supporting air inlet 28a of negative pressure is equipped with negative pressure combustion fan 28 in the place.
For making the longer service life of heating furnace, the body of heater of the heating furnace among the present invention adopts acid resisting steel; Body of heater also can be made into elliptical cylinder-shape or cuboid except that can be made into circle; But the shape of furnace roof end socket should be corresponding with the body of heater shape, if the body of heater of heating furnace is shaped as cuboid, refractory lining is made up of the refractory brick with radian not.
Heat exchanger tube among the heat exchanger B can according to the size of heating furnace maybe needs make four layers or five layers, about hole and heat exchanger tube on the inwall of two fire-boxes be complementary; But should make and enter flue gas the heat exchanger from stove and be " S " type at the heat exchanger tube interlayer and flow.
Claims (6)
1. heater that is used for bulk curing barn, comprise heating furnace and heat exchanger, offer the firedoor frame mouth on the body of heater, be equipped with fire door on it, fire grate is arranged in the body of heater, be equipped with refractory lining on the inboard wall of furnace body on fire grate top, upper of furnace body is the furnace roof end socket, and the body of heater bottom is an ashcan, ashcan wall one side is provided with blast orifice, be provided with the malleation combustion fan herein, the ashcan of body of heater bottom is provided with ash pit door, it is characterized in that: be equipped with the furnace roof fin on the furnace roof end socket; Secondary air passage when furnace body outer wall is provided with negative-pressure firing; Heat exchanger by about two fire-boxes and between two fire-boxes and the heat exchanger tube that is connected with them formed, on the left end wall of left fire-box, left cleaning door and chimney interface are arranged, on the cleaning door of a left side left shoot door is housed, on right fire-box right-hand member wall, right cleaning door is housed, right shoot door is housed on it; The exhaust gases passes that bracing frame is housed on the furnace roof end socket and communicates with the body of heater inner chamber, the outer wall of exhaust gases passes is provided with fin; Bracing frame is supported on the left fire-box bottom of heat exchanger, and the right fire-box of heat exchanger is by exhaust gases passes and body of heater intracavity inter-connection; Laterally an end of chimney is contained in the chimney interface place, and hot heat exchanger tube is connected with horizontal chimney, and laterally the other end of chimney is connected with vertical chimney, and this end also has the combustion-supporting air inlet of negative pressure, and the negative pressure combustion fan is equipped with at the combustion-supporting air inlet of negative pressure place.
2. the heater that is used for bulk curing barn according to claim 1, it is characterized in that: the body of heater of described heating furnace be cylindrical or elliptical cylinder-shape or cuboid in any one, upper of furnace body is equipped with all body of heater fin, the height that is equipped with refractory lining on the inboard wall of furnace body is the 1/3-2/5 of body of heater height, the door inwall of fire door on the body of heater and ash pit door snaps together with wall outdoors, the door inwall be equipped with refractory material outdoors between the wall, the inboard asbestos cord that studs with of door on every side.
3. the heater that is used for bulk curing barn according to claim 2, it is characterized in that: described refractory lining is made up of the refractory brick of band radian, by the refractory brick of fire door the thickness of one end being arranged is 1/2 of other position thickness of refractory brick, and this end is away from fire door; The thickness at the two ends of other refractory brick is 1/2 of other position thickness of refractory brick, and the end of adjacent two blocks of refractory brick coincides together.
4. the heater that is used for bulk curing barn according to claim 1, it is characterized in that: three layers of hole that communicates with the fire-box cavity are up and down all arranged on the inwall of two fire-boxes about in the described heat exchanger, and about hole size on two fire-box inwalls identical, the position is corresponding; Evenly distributed three of ground floor that count from the top down in hole on the inwall and the equal level of the second layer, evenly distributed four of the 3rd layer of level, the radial centre lines in ground floor and second layer hole coincides; The radial centre lines in the 3rd layer of hole and the dislocation of the radial centre lines in first, second layer hole are arranged; Be provided with the flue gas dividing plate between inherent ground floor of right fire-box cavity and the second layer hole, in left fire-box cavity, between the second layer and the 3rd layer of hole, be provided with the flue gas dividing plate; All install a heat exchanger tube between corresponding two holes, position on left side fire-box inwall and the right fire-box inwall; Heat exchanger tube is provided with radiating fin.
5. the heater that is used for bulk curing barn according to claim 4 is characterized in that: the heat exchanger tube in the described heat exchanger is the steel pipe; Described left shoot door is positioned at the bottom of left fire-box left end wall, and the top of left fire-box left end wall has the throat that horizontal chimney is installed.
6. according to claim 1 or 3 or the 4 or 5 described heaters that are used for bulk curing barn, it is characterized in that: the other end of described horizontal chimney has the connected entrance that is connected with vertical chimney, be fixed with adpting flange on the connected entrance, vertical chimney is assemblied on the horizontal chimney by adpting flange, and is connected with horizontal chimney by connected entrance; Laterally the end of the chimney other end is equipped with the chimney shoot door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010101579 CN102132947B (en) | 2010-01-27 | 2010-01-27 | Heater for bulk curing barn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010101579 CN102132947B (en) | 2010-01-27 | 2010-01-27 | Heater for bulk curing barn |
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| Publication Number | Publication Date |
|---|---|
| CN102132947A true CN102132947A (en) | 2011-07-27 |
| CN102132947B CN102132947B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010101579 Expired - Fee Related CN102132947B (en) | 2010-01-27 | 2010-01-27 | Heater for bulk curing barn |
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| CN (1) | CN102132947B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110623295A (en) * | 2019-09-27 | 2019-12-31 | 云南省烟草农业科学研究院 | Intensive high-efficient biomass energy bulk curer heating device of collection |
| CN110623294A (en) * | 2019-09-27 | 2019-12-31 | 云南省烟草农业科学研究院 | Integrated built-in heat supply device of biomass energy bulk curing barn |
| CN110977306A (en) * | 2019-12-31 | 2020-04-10 | 安徽中科自动化股份有限公司 | Equipment frock of special heat exchanger of tobacco leaf |
| CN112577338A (en) * | 2020-12-30 | 2021-03-30 | 乔治洛德方法研究和开发液化空气有限公司 | High-temperature fluid transportation pipeline internally provided with heat exchange equipment, applicable heat exchange equipment and heat exchange method |
| CN112595146A (en) * | 2020-12-29 | 2021-04-02 | 乔治洛德方法研究和开发液化空气有限公司 | High-temperature fluid transportation pipeline with pipeline shell formed by heat exchange equipment, applicable heat exchange equipment and heat exchange method |
| CN114223923A (en) * | 2021-12-30 | 2022-03-25 | 湖南田野现代智能装备有限公司 | Tobacco leaf curing barn system taking biomass combustion furnace as heat source |
Families Citing this family (1)
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| CN104006381B (en) * | 2014-06-19 | 2016-08-31 | 河南农业大学 | Liquid combustor fusiformis hearth combustion radiator |
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2010
- 2010-01-27 CN CN 201010101579 patent/CN102132947B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110623295A (en) * | 2019-09-27 | 2019-12-31 | 云南省烟草农业科学研究院 | Intensive high-efficient biomass energy bulk curer heating device of collection |
| CN110623294A (en) * | 2019-09-27 | 2019-12-31 | 云南省烟草农业科学研究院 | Integrated built-in heat supply device of biomass energy bulk curing barn |
| CN110623294B (en) * | 2019-09-27 | 2021-12-07 | 云南省烟草农业科学研究院 | Integrated built-in heat supply device of biomass energy bulk curing barn |
| CN110977306A (en) * | 2019-12-31 | 2020-04-10 | 安徽中科自动化股份有限公司 | Equipment frock of special heat exchanger of tobacco leaf |
| CN112595146A (en) * | 2020-12-29 | 2021-04-02 | 乔治洛德方法研究和开发液化空气有限公司 | High-temperature fluid transportation pipeline with pipeline shell formed by heat exchange equipment, applicable heat exchange equipment and heat exchange method |
| CN112595146B (en) * | 2020-12-29 | 2023-09-12 | 乔治洛德方法研究和开发液化空气有限公司 | High-temperature fluid transportation pipeline with pipeline shell composed of heat exchange equipment, applicable heat exchange equipment and heat exchange method |
| CN112577338A (en) * | 2020-12-30 | 2021-03-30 | 乔治洛德方法研究和开发液化空气有限公司 | High-temperature fluid transportation pipeline internally provided with heat exchange equipment, applicable heat exchange equipment and heat exchange method |
| US11940228B2 (en) | 2020-12-30 | 2024-03-26 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | High-temperature fluid transporting pipeline with heat exchange apparatus installed therein, suitable heat exchange apparatus and heat exchange method |
| CN114223923A (en) * | 2021-12-30 | 2022-03-25 | 湖南田野现代智能装备有限公司 | Tobacco leaf curing barn system taking biomass combustion furnace as heat source |
| CN114223923B (en) * | 2021-12-30 | 2023-02-03 | 湖南田野现代智能装备有限公司 | Tobacco leaf curing barn system taking biomass combustion furnace as heat source |
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| CN102132947B (en) | 2013-04-17 |
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Granted publication date: 20130417 Termination date: 20140127 |