CN103673285B - A kind of Semi-indirect hot blast heater - Google Patents
A kind of Semi-indirect hot blast heater Download PDFInfo
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- CN103673285B CN103673285B CN201310616283.8A CN201310616283A CN103673285B CN 103673285 B CN103673285 B CN 103673285B CN 201310616283 A CN201310616283 A CN 201310616283A CN 103673285 B CN103673285 B CN 103673285B
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Abstract
The present invention relates to a kind of Semi-indirect hot blast heater, including the combustor connected with fresh wind air intake airduct and with the Hun Feng filter chamber of combustion chamber；Described Hun Feng filter chamber includes the circulated air air outlet being arranged on the circulated air air inlet of mixed wind filter chamber top front end, mixed wind filter chamber top rear end, and it being arranged on the second gear orifice between circulated air air inlet and circulated air air outlet and filter frame, described filter frame is arranged on second gear orifice rear.The Semi-indirect hot blast heater of the present invention had both been different from direct combustion hotblast stove, and flame is direct and circulates air contact, is different from again indirect hot air stove, without heat exchange pipe system.This Semi-indirect hot blast heater does not need heat exchanging pipe, so the cost of air stove is low, and can obtain cleaner hot-air；Therefore, more it is provided that the hot-air of cleaning than direct-type air stove, higher than the thermal efficiency of indirect hot air stove, and low cost of manufacture, long service life.
Description
Technical field
The present invention relates to drying oven heating plant, be specifically related to a kind of hot-air being not only provided that cleaning but also few Semi-indirect hot blast heater that consumes energy.
Background technology
Air stove is the important component part in drying plant, is indispensable thermal source in heat-force dry system.The selection of its structural design, steel, hot blast flow process and parameter choose whether rationally to have a strong impact on the energy consumption of drying system, efficiency and manufacturing cost.And the very big some of drying cost derives from energy consumption, capability of energy dissipation is always up evaluating an important indicator of drying equipment, and the most basic method reducing energy consumption selects a set of efficient air stove exactly.Current existing air stove is divided into direct-type air stove and indirect hot air stove by heat form.
The flue gas that the feature of direct combustion hotblast stove is after fuel combustion is directly used in heat drying, does not pass through heat exchanger.Flue-gas temperature is up to 800, and DEG C equipment cost is relatively low, and heat loss is little.But the composition that flue gas is contained within, is not particularly suited for some specific drying object, is used for the less demanding place of hot air cleaning degree.
Indirect hot air stove, flame burns in combustion chamber, and the high-temperature flue gas after burning is discharged by heat exchanging pipe, and the air that need to heat passes through heat exchanging pipe outer layer, reaches the purpose of heating.Indirect hot air stove can provide hot-air free of contamination, cleaning, is primarily adapted for use in and is dried material and does not allow the dry of heat sensitive material that is contaminated or that be applied to require hot blast temperature relatively low.But it is low to there is efficiency in indirect hot air stove, the shortcoming such as steel consumption is big, service life is short and hot blast windage is big.
Summary of the invention
The purpose of the present invention is aiming at drawbacks described above, it is provided that a kind of Semi-indirect hot blast heater being more provided that the hot-air of cleaning, and low cost of manufacture, long service life higher than the thermal efficiency of indirect hot air stove than direct-type air stove.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of Semi-indirect hot blast heater, including the combustor connected with fresh wind air intake airduct and with the Hun Feng filter chamber of combustion chamber；Described Hun Feng filter chamber includes the circulated air air outlet being arranged on the circulated air air inlet of mixed wind filter chamber top front end, mixed wind filter chamber top rear end, and it being arranged on the second gear orifice between circulated air air inlet and circulated air air outlet and filter frame, described filter frame is arranged on second gear orifice rear.
Described combustor and Hun Feng filter chamber are through by Flange joint.
The air port place of described fresh wind air intake airduct is provided with the first fillter section and regulates the adjustment valve of fresh wind flow, and described adjustment valve is arranged on the rear of the first fillter section.
Described combustor includes first gear orifice, and is arranged on burner and the venting of dust explosion mouth at first gear orifice rear.
Described venting of dust explosion mouth is arranged on the top of combustor.
Described first fillter section is provided with the first differential manometer.
The burner place of described combustor is connected to air blast blower fan and gas valve group, and described gas valve group is connected with natural gas, and the air inlet of described air blast blower fan is provided with the second fillter section.
Described filter frame is provided with the second differential manometer.
Described combustor is additionally provided with the temperature probe of monitoring chamber temperature.
The present invention is compared with prior art, have the beneficial effect that fresh wind enters combustor after the first fillter section, Hun Feng filter chamber is entered after heated, after mixing with the circulated air in stove before second gear orifice, after second gear orifice and filter frame, mixed circulated air is directly conveyed in melting down；The Semi-indirect hot blast heater of the present invention had both been different from direct combustion hotblast stove, and flame is direct and circulates air contact, is different from again indirect hot air stove, without heat exchange pipe system.This Semi-indirect hot blast heater does not need heat exchanging pipe, so the cost of air stove is low, and can obtain cleaner hot-air；Therefore, more it is provided that the hot-air of cleaning than direct-type air stove, higher than the thermal efficiency of indirect hot air stove, and low cost of manufacture, long service life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural principle schematic diagram of the present invention.
Fig. 2 is the structure general assembly drawing schematic diagram of the present invention.
Detailed description of the invention
Semi-indirect hot blast heater as shown in Figure 1, 2 is made up of two chamber body, and one is combustor 4, a Ge Shihun wind filter chamber 12, and combustor 4 connects with fresh wind air intake airduct 19, and Hun Feng filter chamber 12 is connected with combustor 4 by flange 20.The air port place of fresh wind air intake airduct is provided with the first fillter section 1 and regulates the adjustment valve 3 of fresh wind flow, regulates valve 3 and is arranged on the rear of the first fillter section 1.Combustor 4 includes the temperature probe 8 of first gear orifice 5, monitoring combustor 4 temperature, and it is arranged on burner 6 and the venting of dust explosion mouth 7 at first gear orifice 5 rear, namely fresh wind is heated, and venting of dust explosion mouth 7 is arranged on the top of combustor 4, the rear of the first gear orifice 5 that burner 6 is inserted in combustor 4 by the sidewall of combustor；Burner 6 place of combustor 4 is connected to air blast blower fan 10 and gas valve group 9, and gas valve group 9 is connected with natural gas, and the air inlet of air blast blower fan 10 is provided with the second fillter section 10.Hun Feng filter chamber 12 includes the circulated air air outlet 16 being arranged on the circulated air air inlet 15 of mixed wind filter chamber top front end, mixed wind filter chamber top rear end, and it being arranged on the second gear orifice 13 between circulated air air inlet 15 and circulated air air outlet 16 and filter frame 14, filter frame 14 is arranged on second gear orifice 13 rear.It addition, the first fillter section 1 is provided with the first differential manometer 2, filter frame 14 is provided with the second differential manometer 17.
Again as it is shown in figure 1, fresh wind enters combustor 4 through overregulating valve 3 and fresh wind air intake airduct 19 after the first fillter section 1, after first gear orifice 5, after burner 6 heats, enter Hun Feng filter chamber 12；Circulated air in drying oven is entered into Hun Feng filter chamber 12 through circulated air air inlet 15 from extracting out in stove by circulating fan 18, mixed with the fresh wind after heating before second gear orifice 13, the temperature of mixed circulated air arrives after setting requirement, through second gear orifice 13 and filter frame 14, mixed circulated air is extracted out and is sent in drying oven through circulated air air outlet 16 by circulating fan 18 again.
The Semi-indirect hot blast heater of the present invention had both been different from direct combustion hotblast stove, and flame is direct and circulates air contact, is different from again indirect hot air stove, without heat exchange pipe system.This Semi-indirect hot blast heater does not need heat exchanging pipe, so the cost of air stove is low, and can obtain cleaner hot-air；Therefore, more it is provided that the hot-air of cleaning than direct-type air stove, higher than the thermal efficiency of indirect hot air stove, and low cost of manufacture, long service life.
Above in conjunction with accompanying drawing, embodiments of the invention are described; but the invention is not limited in above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is merely schematic; rather than it is restrictive; those of ordinary skill in the art is under the enlightenment of the present invention; without departing under present inventive concept and scope of the claimed protection situation, it may also be made that a lot of form, these belong within protection scope of the present invention.
Claims (7)
1. a Semi-indirect hot blast heater, it is characterised in that include the combustor that connects with fresh wind air intake airduct and the Hun Feng filter chamber with combustion chamber；Described Hun Feng filter chamber includes the circulated air air outlet being arranged on the circulated air air inlet of mixed wind filter chamber top front end, mixed wind filter chamber top rear end, and it being arranged on the second gear orifice between circulated air air inlet and circulated air air outlet and filter frame, described filter frame is arranged on second gear orifice rear；The air port place of described fresh wind air intake airduct is provided with the first fillter section and regulates the adjustment valve of fresh wind flow, and described adjustment valve is arranged on the rear of the first fillter section；Described combustor includes first gear orifice, and is arranged on burner and the venting of dust explosion mouth at first gear orifice rear.
2. Semi-indirect hot blast heater according to claim 1, it is characterised in that described combustor and Hun Feng filter chamber are through by Flange joint.
3. Semi-indirect hot blast heater according to claim 1, it is characterised in that described venting of dust explosion mouth is arranged on the top of combustor.
4. Semi-indirect hot blast heater according to claim 1, it is characterised in that described first fillter section is provided with the first differential manometer.
5. Semi-indirect hot blast heater according to claim 1, it is characterised in that the burner place of described combustor is connected to air blast blower fan and gas valve group, and described gas valve group is connected with natural gas, and the air inlet of described air blast blower fan is provided with the second fillter section.
6. Semi-indirect hot blast heater according to claim 1, it is characterised in that described filter frame is provided with the second differential manometer.
7. Semi-indirect hot blast heater according to claim 1, it is characterised in that described combustor is additionally provided with the temperature probe of monitoring chamber temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616283.8A CN103673285B (en) | 2013-11-27 | 2013-11-27 | A kind of Semi-indirect hot blast heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616283.8A CN103673285B (en) | 2013-11-27 | 2013-11-27 | A kind of Semi-indirect hot blast heater |
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| Publication Number | Publication Date |
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| CN103673285A CN103673285A (en) | 2014-03-26 |
| CN103673285B true CN103673285B (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310616283.8A Active CN103673285B (en) | 2013-11-27 | 2013-11-27 | A kind of Semi-indirect hot blast heater |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109059278A (en) * | 2018-10-17 | 2018-12-21 | 山东日科化学股份有限公司 | A kind of indirect hot air stove |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201740226U (en) * | 2010-07-29 | 2011-02-09 | 江苏沃尔得化工有限公司 | Hot blast stove system |
| CN201811549U (en) * | 2010-08-13 | 2011-04-27 | 淄博北辰金属材料科技发展有限公司 | Quick drying hot blast stove for wall body plate |
| CN202219232U (en) * | 2011-08-22 | 2012-05-16 | 扬州松泉环保科技有限公司 | Quaternary-body hot blast stove |
| CN202835781U (en) * | 2012-09-22 | 2013-03-27 | 扬州市恒通环保科技有限公司 | Quaternary body hot-blast furnace |
| CN203629015U (en) * | 2013-11-27 | 2014-06-04 | 东风设计研究院有限公司 | Semi-indirect type hot blast stove |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028510A (en) * | 2001-07-17 | 2003-01-29 | Matsushita Electric Ind Co Ltd | Air heating machine |
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- 2013-11-27 CN CN201310616283.8A patent/CN103673285B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201740226U (en) * | 2010-07-29 | 2011-02-09 | 江苏沃尔得化工有限公司 | Hot blast stove system |
| CN201811549U (en) * | 2010-08-13 | 2011-04-27 | 淄博北辰金属材料科技发展有限公司 | Quick drying hot blast stove for wall body plate |
| CN202219232U (en) * | 2011-08-22 | 2012-05-16 | 扬州松泉环保科技有限公司 | Quaternary-body hot blast stove |
| CN202835781U (en) * | 2012-09-22 | 2013-03-27 | 扬州市恒通环保科技有限公司 | Quaternary body hot-blast furnace |
| CN203629015U (en) * | 2013-11-27 | 2014-06-04 | 东风设计研究院有限公司 | Semi-indirect type hot blast stove |
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| Publication number | Publication date |
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| CN103673285A (en) | 2014-03-26 |
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Effective date of registration: 20220124 Address after: 430056, No. 1, Dongfeng central, No. three Dongfeng Road, Wuhan economic and Technological Development Zone, Hubei, Wuhan, A Patentee after: Wuhan Dongyan intelligent design and Research Institute Co.,Ltd. Address before: 430056, No. 1, Dongfeng central, No. three Dongfeng Road, Wuhan economic and Technological Development Zone, Hubei, Wuhan, A Patentee before: DONGFENG DESIGN INSTITUTE Co.,Ltd. |
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