CN2192399Y - Derect heating fuel baking finish furnace - Google Patents
Derect heating fuel baking finish furnace Download PDFInfo
- Publication number
- CN2192399Y CN2192399Y CN 94200987 CN94200987U CN2192399Y CN 2192399 Y CN2192399 Y CN 2192399Y CN 94200987 CN94200987 CN 94200987 CN 94200987 U CN94200987 U CN 94200987U CN 2192399 Y CN2192399 Y CN 2192399Y
- Authority
- CN
- China
- Prior art keywords
- flue
- paint baking
- baking oven
- filter
- oven according
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- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a direct heating fuel baking finish furnace. The utility model is characterized in that a contract opening type internal furnace is adopted, the front end of a baking tunnel is provided with a filter which takes the flame resistant fibre as the filter material, and the outer shell of a combustion chamber is provided with a cold air port and a hot air return intake. The baking finish furnace has advantages of simple structure, clean hot air, high thermal efficiency, low cost ofbaking finish, long service life, etc., and is suitable for baking finish or the occasion needing clean heat source to use.
Description
The utility model belongs to a kind of improved heating furnace, and particularly a kind of direct-heating type fuel oil paint baking oven is fit to baking finish and uses.
For the coated metal heating,, generally adopt electrothermal way because the cleanliness factor of hot gas is had relatively high expectations.Progressively adopt FAR INFRARED HEATING in recent years, to improve the thermal efficiency and to cut down the consumption of energy.But adopting electricity to heat is secondary energy sources after all, and the power conversion loss is bigger, the expense height.If adopt cheap coal or the diesel oil of price comparison to make fuel, can not get applying because of being easy to generate the quality that dust and burn incompletely thing have influence on product again.Though adopt heat exchanger to address this problem, because of the thermal efficiency is low, heat exchanger is short service life, and volume is big fails to be generalizable with consuming more precious metal.
The purpose of this utility model is the problem at the prior art existence, and the direct-heating type fuel oil paint baking oven that a kind of structure is comparatively simple, hot blast is clean is provided.
Task of the present utility model is achieved in that as shown in Figure 1, this paint baking oven includes drying tunnel (1), blower fan (2), combustor outer casing (3), flue (4) and diesel fuel burner (5), thermal detector (7) and temperature controller (8), but done such improvement: flue (4) changes the closing in type into, and a filter (6) of making filtering material with refractory fibre is set between drying tunnel (1) and flue (4).
Fig. 1 is the schematic diagram of a kind of concrete structure of the utility model.
The utility model is like this work: from the diesel oil of diesel fuel burner (5) ejection after flue (4) internal combustion, under the suction function that blower fan (2) is produced, hot blast is dried the application product by blower fan (2) force feed to drying tunnel (1) after air outlet (9) enters filter (6) filtration, purification.When the wind-warm syndrome that records when thermo detector (7) surpasses the control temperature of regulation, just cut off the power supply of diesel fuel burner (5) by temperature controller (8), stop oil jetting combustion, and when temperature is lower than range of set temperature, restart diesel fuel burner (5), so repeatedly, the temperature of drying tunnel (1) is remained in the range of set temperature.Because the utility model has adopted closing in shape flue (4), diesel oil can be fully burned, reduce the generation of imperfect combustion thing, be provided with comparison effective filter (6) and temperature control equipment again, through evidence, can satisfy the requirement of baking finish, compared with the prior art, have simple in structure, hot blast is clean, thermal efficiency height, the baking finish cost is low and advantage such as long service life.
When implementing the utility model, the air outlet (9) of flue (4) can adopt pitch circle shape and circular cone type closing in shape structure.The diameter of air outlet (9) with flue (4) internal diameter 0.4～0.8 for well.Filter (6) is preferably the little olive-type structure broad in the middle in two, can make hot blast enter filter (6) back like this and reduce flow velocity because of volumetric expansion, improves filter effect.In order further to improve filter effect, the refractory fiber floor in the filter (5) can be done tooth bar shape and be provided with, and enlarges filter area.Used refractory fibre can be selected stainless steel fibre for use, and its heatproof degree is anticorrosive again, also can adopt the raw glass fiber.For the ease of regulating temperature, can on combustor outer casing (3), be provided with cold wind mouth (10), so that, enter air outlet (9) through the gap between combustor outer casing (3) and the flue (4) and locate to converge, reduce hot blast temperature with hot blast by introducing the part air.Meanwhile, can on combustor outer casing (3), offer a return air inlet (11) that is communicated with drying tunnel (1), so that improve the utilization rate of hot blast.For the drying tunnel of power above 100KW, can adopt two burner nozzles, utilize auxiliary nozzle intermittently to come into operation, regulate temperature minimizing temperature fluctuation.
The utility model is suitable for baking finish, also can be used for the occasion of the clean thermal source of needs.
Claims (8)
1, a kind of direct-type fuel oil paint baking oven, include drying tunnel (1), blower fan (2), combustor outer casing (3), flue (4) and diesel fuel burner (5), thermal detector (7) and temperature controller (8), it is characterized in that: flue (4) changes the closing in type into, and the filter (6) that a refractory fibre is made filtering material is set between drying tunnel (1) and flue (4).
2, paint baking oven according to claim 1 is characterized in that the air outlet (9) of flue (4) is pitch circle formula, circular cone type closing in type structure.
3, paint baking oven according to claim 1 is characterized in that filter (6) is the little olive-type structure broad in the middle in two.
4, paint baking oven according to claim 1 and 2, the diameter that it is characterized in that flue (4) air outlet (9) with flue (4) internal diameter 0.4～0.8 for well.
5, paint baking oven according to claim 1 is characterized in that the refractory fiber floor in the filter (6) is pressed the setting of tooth bar shape structure.
6,, it is characterized in that the refractory fiber floor in the filter (6) adopts stainless steel fibre, raw glass fiber according to claim 1 or 3 described paint baking ovens.
7, paint baking oven according to claim 1 is characterized in that combustor outer casing (3) is provided with cold wind mouth (10).
8, paint baking oven according to claim 1 is characterized in that combustor outer casing (3) is provided with a return air inlet (11) that is communicated with drying tunnel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94200987 CN2192399Y (en) | 1994-01-12 | 1994-01-12 | Derect heating fuel baking finish furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94200987 CN2192399Y (en) | 1994-01-12 | 1994-01-12 | Derect heating fuel baking finish furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2192399Y true CN2192399Y (en) | 1995-03-22 |
Family
ID=33821182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94200987 Expired - Fee Related CN2192399Y (en) | 1994-01-12 | 1994-01-12 | Derect heating fuel baking finish furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2192399Y (en) |
-
1994
- 1994-01-12 CN CN 94200987 patent/CN2192399Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |