CN104019653B - Combustion gas indirect type heat wind circulation heating equipment - Google Patents
Combustion gas indirect type heat wind circulation heating equipment Download PDFInfo
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- CN104019653B CN104019653B CN201410272211.0A CN201410272211A CN104019653B CN 104019653 B CN104019653 B CN 104019653B CN 201410272211 A CN201410272211 A CN 201410272211A CN 104019653 B CN104019653 B CN 104019653B
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Abstract
Combustion gas indirect type heat wind circulation heating equipment, comprise a housing, housing is provided with circulated air import and air outlet, enclosure interior is followed successively by wind inlet section from circulated air import to air outlet, combustion heat-exchange section, fillter section and wind outlet section, wind inlet section is that one section of confession gas to be heated enters the cavity persisted, combustion barrel and heat exchanger is provided with successively along airflow direction in combustion heat-exchange section, combustion barrel one end is provided with burner, the other end is connected with heat exchanger by collection smoke box, heat exchanger is communicated to hull outside by flue gas discharge opening, fillter section is provided with filter, wind outlet section is provided with for gas after heating is drawn the circulating fan of housing, be provided with for reducing ventilation bore to improve the deflector of air velocity above combustion barrel and in the inner walls of below, deflector has one made the diminishing windward side of wind area and a lee face making wind area become large gradually.Use the present invention can improve wind speed and heat exchange efficiency and improve stove service life.
Description
Technical field
The present invention relates to low-temperature bake heater in a kind of industry, especially relate to one combustion gas indirect type heat wind circulation heating equipment.
Background technology
Middle low temperature Cycling hot-blast heating mode does not limit by baking article shape owing to having, the advantage be heated evenly, and is thus widely used in the precision baking of electronics, communication, plastics, metals and chemicals, instrument, printing, pharmacy, spraying, woodenware building materials etc.Aborning, workpiece stoving of the paint many employings combustion gas indirect type heat wind circulation heating equipment, prior art is still having the following disadvantages in actual motion:
1, combustion heat-exchange section cross-sectional area is large, cause combustion barrel peripheral space large, component loops wind is only had to skim over combustion barrel surface, and wind speed is lower, cause combustion barrel and hot blast to carry out sufficient heat exchange, temperature is too high because heat cannot pass in time for combustion barrel, and during long-play, weld seam easily ftractures, even combustion barrel is burnt, and causes equipment normally to use;
2, combustion barrel pressure relief opening unreasonable structure, often causes normally working;
3, combustion barrel installs flame-observing hole, be exposed at outside heated air circulation device and there is no protector, easily scald accident occurs.
4, heat exchanger two ends are closed cavity, and heat exchanger tube termination weld cannot overhaul.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of combustion gas indirect type heat wind circulation heating equipment, that can reduce combustion heat-exchange section crosses wind area, improves wind speed and heat exchange efficiency.
The present invention for solving the problems of the technologies described above adopted technical scheme is: combustion gas indirect type heat wind circulation heating equipment, comprise a housing, circulated air import is provided with in one end of housing, the other end is provided with air outlet, enclosure interior is followed successively by wind inlet section from circulated air entrance point to air opening end, combustion heat-exchange section, fillter section and wind outlet section, wind inlet section is that one section of confession gas to be heated enters the cavity persisted, combustion barrel and heat exchanger is provided with successively along airflow direction in combustion heat-exchange section, combustion barrel is horizontally fixed in housing, its one end is provided with burner, the other end is connected with heat exchanger by collection smoke box, the outside of housing is communicated to by the flue gas discharge opening arranged at the other end of heat exchanger, fillter section is provided with filter, wind outlet section is provided with the circulating fan for the gas after heating being drawn housing, be provided with for reducing ventilation bore to improve the deflector of air velocity above combustion barrel and in the inner walls of below, described deflector has one made the diminishing windward side of wind area and a lee face making wind area become large gradually.
Further, housing is provided with and the pressure relief opening collecting smoke box and be connected, pressure relief opening is provided with pressure relief device, described pressure relief device comprises connection bracket and lid, connection bracket is fixed on pressure relief opening, described lid has one for the core of shutoff pressure relief opening and the connecting portion for being supported on connection bracket upper end, and described connecting portion is connected by establishing installing hole thereon and the guide bar be fixed in connection bracket, and guide bar is arranged with Compress Spring.
Further, be also provided with the flame-observing hole leading to hull outside, flame-observing hole is provided with protective cover in one end that combustion barrel is connected with heat exchanger, described protective cover is the cylindrical shape of one end open, and guard shield is provided with a plurality of aperture.
Further, described heat exchanger is provided with access hole.
Further, a fresh air air inlet is also provided with in one end being provided with circulated air import of housing.
Beneficial effect:
1, the inner walls above and below combustion barrel establishes deflector, and circulated air skims over combustion barrel with certain flow rate, heat exchange abundant with combustion barrel, and combustion barrel maintains lower temperature, improves stove service life.
2, arrange access hole at heat exchanger two ends, personnel can enter and check and can repair.
3, design Novel pressure relief device, can either play pressure release effect, can realize again smoke impervious when normally using, personnel can enter burner hearth maintenance by pressure relief opening simultaneously.
4, flame-observing hole exposed parts arranges Novel protective device, can play protective action, has again good heat dispersion simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the side view of Fig. 1.
Fig. 4 is the structural representation of pressure relief device
In figure, 1, wind inlet section, 1-1, circulated air import, 1-2, fresh air supplements mouth, 2, combustion heat-exchange section, 2-1, combustor, 2-2, combustion barrel, 2-3, protective cover, 2-4, heat exchanger, 2-5, access hole, 2-6, top deflector, 2-7, baffle at bottom, 2-8, pressure relief device, 2-81, connection bracket, 2-82, core, 2-83, connecting portion, 2-84, guide bar, 2-85, Compress Spring, 2-9, fume emission mouth, 3, fillter section, 3-1, access door II, 4, wind outlet section, 4-1, circulating fan, 4-2, air outlet, 4-3, access door I.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, concrete detailed description is further done to the present invention.
As shown in the figure, combustion gas indirect type heat wind circulation heating equipment, comprise a housing, circulated air import 1-1 is provided with in one end of housing, the other end is provided with air outlet 4-2, enclosure interior is held air outlet 4-2 to hold from air inlet 1-1 and is followed successively by wind inlet section 1, combustion heat-exchange section 2, fillter section 3 and wind outlet section 4, wind inlet section 1 is that one section of confession gas to be heated enters the cavity persisted, combustion barrel 2-2 and heat exchanger 2-4 is provided with successively along airflow direction in combustion heat-exchange section 2, combustion barrel 2-2 is horizontally fixed in housing, its one end is provided with burner 2-1, the other end is connected with heat exchanger 2-4 by collection smoke box, the outside of housing is communicated to by the flue gas discharge opening 2-9 arranged at the other end of heat exchanger 2-4, fillter section 3 is provided with filter, wind outlet section is provided with the circulating fan 4-1 for the gas after heating being introduced drying chamber (not shown), inner walls above and below combustion barrel 2-2 is provided with for reducing ventilation bore to improve the deflector of air velocity, described deflector has one made the diminishing windward side of wind area and a lee face making wind area become large gradually.
As shown in Figure 1, the windward side being positioned at the top deflector 2-6 in the inner walls above combustion barrel 2-2 is vertical with inner walls before this, and then downward-sloping to heat exchanging segment direction, lee face is towards surface thereof; The windward side being positioned at the baffle at bottom 2-7 in the inner walls below combustion barrel 2-2 is all vertical with inner walls with lee face, and the size that described deflector occupies length along the axis of combustion barrel 2-2 in inner walls is determined as required.
By the setting of deflector, the upper and lower space of combustion barrel 2-2 can be made to cross wind area reduce, thus raising wind speed, accelerate heat exchange, and combustion barrel can be made to be in relative low temperature state, and avoid the too high weld seam accelerated oxidation that causes of combustion barrel temperature to ftracture, even combustion barrel barrel is oxidized always, there is the phenomenon of perforation, thus the final life-span of improving combustion barrel.
Housing is provided with pressure relief opening, described pressure relief opening can be located on the housing of heat exchanger position, pressure relief opening is connected with collection smoke box, pressure relief opening is provided with pressure relief device 2-8, described pressure relief device 2-8 comprises connection bracket 2-81 and the lid of hollow, connection bracket 2-81 is fixed on pressure relief opening, described lid has one can enter connection bracket 2-81, for the core 2-82 of shutoff pressure relief opening and the connecting portion 2-83 for being supported on connection bracket 2-81 upper end, described connecting portion 2-83 is connected by establishing installing hole thereon and the guide bar 2-84 be fixed on connection bracket 2-81, guide bar 2-84 is arranged with Compress Spring 2-85.
Like this, when the air pressure of combustion barrel 2-2 inside reaches certain numerical value with extraneous pressure reduction, the constraint that described lid shakes off Compress Spring 2-85 is upwards opened automatically, outwards discharges gas, reduces air pressure inside, with the personnel in architecture protection thing and property safety.
The one end be connected with heat exchanger 2-4 at combustion barrel 2-2 is also provided with the flame-observing hole leading to hull outside, and flame-observing hole is provided with protective cover 2-3, and described protective cover 2-3 is the cylindrical shape of one end open, and protective cover is provided with a plurality of aperture.From open at one end, protective cover 2-3 is enclosed within flame-observing hole during use, and is fixed on housing exterior walls.Whole protective cover 2-3 is cylindric mesh structure, and arranging of this kind of structural shielding cover can ensure to ensure personal security while the combustion case observing fire in combustion barrel.
Cavity is provided with in described heat exchanger end, the wall forming cavity is provided with access hole 2-5, access hole 2-5 use bolt be connected and installed shrouding, when needing, after maintainer enters heat exchanging segment by access door II 3-1 being located at fillter section and heat exchanging segment, come loose shrouding bolt, takes off access hole shrouding, can enter heat exchanger and collect smoke box to overhaul.
Also be provided with a fresh air air inlet 1-2 in circulated air import 1-1 one end of housing, in order to supplement the air be discharged in drying chamber, enter in housing and heated.
The air entered in housing from circulated air import 1-1 like this enters combustion heat-exchange section 2 through the ventilation bore of wind inlet section 1 after top deflector 2-6 and baffle at bottom 2-7 reduces, after combustion barrel and heat exchanger heat exchange, filtration through fillter section 3 enters wind outlet section 4, enter after drying chamber carries out baking heat exchange to workpiece under the effect of wind outlet section circulating fan 4-1, then reenter in housing from circulated air import 1-1 and enter next circulation.
Claims (3)
1. combustion gas indirect type heat wind circulation heating equipment, comprise a housing, circulated air import (1-1) is provided with in one end of housing, the other end is provided with air outlet (4-2), enclosure interior is followed successively by wind inlet section (1) from circulated air import (1-1) end to air outlet (4-2) end, combustion heat-exchange section (2), fillter section (3) and wind outlet section (4), wind inlet section (1) is that one section of confession gas to be heated enters the cavity persisted, combustion barrel (2-2) and heat exchanger (2-4) is provided with successively along airflow direction in combustion heat-exchange section (2), combustion barrel (2-2) is horizontally fixed in housing, its one end is provided with burner (2-1), the other end is connected with heat exchanger (2-4) by collection smoke box, the outside of housing is communicated to by the flue gas discharge opening (2-9) arranged at the other end of heat exchanger (2-4), fillter section (3) is provided with filter, wind outlet section is provided with the circulating fan (4-1) for the gas after heating being drawn housing, it is characterized in that: be also provided with a fresh air air inlet (1-2) in one end being provided with circulated air import (1-1) of housing, combustion barrel (2-2) top and below inner walls on be provided with for reducing ventilation bore to improve the deflector of air velocity, described deflector has one made the diminishing windward side of wind area and a lee face making wind area become large gradually, housing is provided with and the pressure relief opening collecting smoke box and be connected, pressure relief opening is provided with pressure relief device (2-8), described pressure relief device (2-8) comprises connection bracket (2-81) and lid, connection bracket (2-81) is fixed on pressure relief opening, connection bracket (2-81) is provided with a passage, described lid has one can enter connection bracket (2-81) passage and for the core (2-82) of shutoff pressure relief opening and the connecting portion (2-83) for being supported on connection bracket (2-81) upper end, described connecting portion (2-83) is connected by establishing installing hole thereon and the guide bar (2-84) be fixed in connection bracket (2-81), guide bar (2-84) is arranged with Compress Spring (2-85).
2. the combustion gas indirect type heat wind circulation heating equipment according to claim 1, it is characterized in that: the one end be connected with heat exchanger (2-4) at combustion barrel (2-2) is also provided with the flame-observing hole leading to hull outside, flame-observing hole is provided with protective cover (2-3), the cylindrical shape that described protective cover (2-3) is one end open, guard shield is provided with a plurality of aperture.
3. the combustion gas indirect type heat wind circulation heating equipment according to claim 1, is characterized in that: on described heat exchanger, be provided with access hole (2-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272211.0A CN104019653B (en) | 2014-06-18 | 2014-06-18 | Combustion gas indirect type heat wind circulation heating equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272211.0A CN104019653B (en) | 2014-06-18 | 2014-06-18 | Combustion gas indirect type heat wind circulation heating equipment |
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| Publication Number | Publication Date |
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| CN104019653A CN104019653A (en) | 2014-09-03 |
| CN104019653B true CN104019653B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410272211.0A Active CN104019653B (en) | 2014-06-18 | 2014-06-18 | Combustion gas indirect type heat wind circulation heating equipment |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288743B (en) * | 2016-09-20 | 2019-11-22 | 中国汽车工业工程有限公司 | The heating and dehumidification device of heat-lightening dry systems |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2635855A1 (en) * | 1988-08-26 | 1990-03-02 | Socoa | Hot air generator with direct heating for grain drier |
| CN201000267Y (en) * | 2007-01-19 | 2008-01-02 | 陈慰盛 | Flat tube-type gas or oil hot-blast stove |
| CN201828121U (en) * | 2010-10-18 | 2011-05-11 | 山东迈赫自动化装备股份有限公司 | Heated-air circulation device |
| CN102338465A (en) * | 2011-08-22 | 2012-02-01 | 洛阳佳嘉乐农业产品开发有限公司 | Warm-air furnace used for high temperature sterilization |
| JP2013007535A (en) * | 2011-06-24 | 2013-01-10 | Rinnai Corp | Warm air heater |
| CN203336634U (en) * | 2013-06-17 | 2013-12-11 | 山西天兰锅炉有限公司 | Explosion door of oil and gas boilers |
| CN203908273U (en) * | 2014-06-18 | 2014-10-29 | 机械工业第四设计研究院有限公司 | Gas indirect type hot air circulating heating device |
-
2014
- 2014-06-18 CN CN201410272211.0A patent/CN104019653B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2635855A1 (en) * | 1988-08-26 | 1990-03-02 | Socoa | Hot air generator with direct heating for grain drier |
| CN201000267Y (en) * | 2007-01-19 | 2008-01-02 | 陈慰盛 | Flat tube-type gas or oil hot-blast stove |
| CN201828121U (en) * | 2010-10-18 | 2011-05-11 | 山东迈赫自动化装备股份有限公司 | Heated-air circulation device |
| JP2013007535A (en) * | 2011-06-24 | 2013-01-10 | Rinnai Corp | Warm air heater |
| CN102338465A (en) * | 2011-08-22 | 2012-02-01 | 洛阳佳嘉乐农业产品开发有限公司 | Warm-air furnace used for high temperature sterilization |
| CN203336634U (en) * | 2013-06-17 | 2013-12-11 | 山西天兰锅炉有限公司 | Explosion door of oil and gas boilers |
| CN203908273U (en) * | 2014-06-18 | 2014-10-29 | 机械工业第四设计研究院有限公司 | Gas indirect type hot air circulating heating device |
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