CN211756644U - Energy-saving passivation drying furnace - Google Patents
Energy-saving passivation drying furnace Download PDFInfo
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- CN211756644U CN211756644U CN202020139991.2U CN202020139991U CN211756644U CN 211756644 U CN211756644 U CN 211756644U CN 202020139991 U CN202020139991 U CN 202020139991U CN 211756644 U CN211756644 U CN 211756644U
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Abstract
The utility model belongs to the technical field of steel band drying equipment, and relates to a drying furnace, in particular to an energy-saving passivation drying furnace, which comprises a furnace body arranged on a supporting frame, a smoke exhaust pipeline communicated with the furnace body and a circulating air supply device, wherein the circulating air supply device comprises an air inlet device and an air return device, the air inlet device comprises a heating chamber arranged on the supporting frame and a fan arranged at the outlet of the heating chamber, and the fan is communicated with the furnace body by virtue of the air supply pipeline; the air return device comprises an air return pipeline communicated with the furnace body, the air return pipeline is communicated with the heating chamber, and the air return device also comprises a hot air source for delivering hot air to the air return pipeline; the heat of other equipment is utilized for the second time, so that the use of a burner or electric power is reduced, and the energy is saved; the floor area is reduced, the utilization rate of hot air is improved, the heat loss is reduced, and the economic benefit is improved.
Description
Technical Field
The utility model belongs to the technical field of steel band drying equipment, a drying furnace is related to, specifically is an energy-saving passivation drying furnace.
Background
The passivation drying furnace has the function of being used for drying the surface moisture of the chromated or fingerprint-resistant coated steel strip, the existing drying equipment has no good drying equipment for the continuously conveyed semi-finished steel strip, the drying efficiency is low, and the heat waste is easy to cause.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an energy-saving passivation drying furnace that evenly carries out passivation stoving to continuous transport's steel band can also utilize the waste heat heated air of other equipment, and hot-air utilization is high, reduces the waste of heat, the energy saving.
In order to solve the problem, the utility model adopts the following technical scheme: an energy-saving passivation drying furnace comprises a furnace body arranged on a support frame, a smoke exhaust pipeline communicated with the furnace body and a circulating air supply device, wherein the circulating air supply device comprises an air inlet device and an air return device; the air return device comprises an air return pipeline communicated with the furnace body, the air return pipeline is communicated with the heating chamber, and the air return device further comprises a hot air source for conveying hot air to the air return pipeline.
The furnace body in the symmetrical setting a set of blowing pipe, the blowing pipe wind gap set up relatively, the blowing pipe with the help of the tee opening with supply air piping connection, a set of blowing pipe wind gap between be product transfer passage.
The heating chamber is heated by resistance wires or a burner.
And heat insulating layers are arranged on the outer sides of the heating chamber and the furnace body.
The bottom of the heating chamber is provided with a supporting platform which is a flat plate arranged on a supporting frame.
The air outlet and the air inlet of the fan are both high-temperature-resistant multi-layer soft connecting cloth.
The furnace body is vertical, and the product conveying channel is vertical conveying.
The utility model has the advantages that: waste gas or geothermal heat generated by other equipment is adopted to provide part of heat, so that the use of a combustor or electric power is reduced, and energy is saved; the furnace body is vertical, so that the floor area is reduced, and the economic benefit is improved; the hot air is used for drying the two surfaces of the steel strip by using the blowing pipe instead of overflowing the hot air to the whole furnace body, so that the heat loss is reduced.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
FIG. 2 is a side partial cross-sectional view of the present invention;
FIG. 3 is a top partial cross-sectional view of the present invention with the frame removed;
FIG. 4 is a partial enlarged view of part A of the present invention;
FIG. 5 is a partial enlarged view of part B of the present invention;
in the attached drawing, the furnace comprises a supporting frame 1, a supporting frame 2, a furnace body 3, a smoke exhaust pipeline 4, a heating chamber 5, a fan 6, an air supply pipeline 7, an air return pipeline 8, a hot air source 9, a blowing pipe 10, a tee joint 11 and a supporting platform.
Detailed Description
The specific embodiment is as shown in fig. 1, 2 and 3, the utility model relates to an energy-saving passivation drying furnace, which comprises a furnace body 2 arranged on a supporting frame 1, a smoke exhaust pipeline 3 communicated with the furnace body 2 and a circulating air supply device, wherein the circulating air supply device comprises an air inlet device and an air return device, the air inlet device comprises a heating chamber 4 arranged on the supporting frame and a fan 5 arranged at the outlet of the heating chamber 4, and the fan is communicated with the furnace body 2 by means of an air supply pipeline 6; the air return device comprises an air return pipeline 7 communicated with the furnace body 2, the air return pipeline 7 is communicated with the heating chamber 4, and the air return device also comprises a hot air source 8 for delivering hot air to the air return pipeline 7.
The sprayed steel strip is continuously conveyed into the furnace body 2, the length of the furnace body 2 is calculated according to a spraying material, the furnace body in the embodiment is 12 meters, heat sources such as waste gas or geothermal heat generated by other processing equipment can be used as a hot air source 8, hot air generated by burning the waste gas generated by other processing equipment is used as the hot air source 8 in the embodiment, the hot air output from the hot air source 8 enters the heating chamber 4 through a return air pipeline 7, a burner for burning natural gas is used for providing heat for the heating chamber 4 in the embodiment, the air is heated to a proper temperature in the heating chamber 4 and then is extracted by the fan 5 to enter the furnace body 2 to dry the sprayed steel strip, the temperature of the hot air after drying the steel strip returns to the heating chamber through the return air pipeline 7, the air after cooling in the process meets the hot air entering from the hot air source 8, and the air after cooling is mixed to increase the temperature, then enters the heating chamber 4, the temperature of the air is higher when the air reaches the heating chamber 4, and the natural gas consumed by the burner is reduced; in addition, the hot air source 8 is communicated with the air return pipeline 7 instead of directly leading to the heating chamber 4, so that the heat dissipation of the heating chamber 4 is reduced, and the heat preservation effect of the heating chamber 4 is good.
As shown in fig. 3 and 5, a set of blowpipes 9 are symmetrically arranged in the furnace body 2, air openings of the blowpipes 9 are oppositely arranged, the blowpipes 9 are connected with the air supply pipeline 6 by means of three-way openings 10, and product conveying channels are arranged between the air openings of the blowpipes 9.
Preferably, the utility model discloses the symmetry sets up a set of blowing pipe 9 in furnace body 2, and the hot-air that comes out from fan 5 does not directly get into in the furnace body 2, but dries through blowing pipe 9 to the steel band after spraying, and the air outlet of a set of blowing pipe 9 sets up relatively, and the blowing pipe 9 that the symmetry set up dries to two faces of steel band respectively, makes the utilization ratio of hot-air higher, and drying efficiency is high, energy saving, low carbon environmental protection.
As shown in fig. 3, the heating chamber 4 is heated by a resistance wire or a burner.
The resistance wire can be selected to ensure the high safety of the drying furnace, and the instant heat of the selected burner is promoted more quickly.
As shown in fig. 3, the heating chamber 4 and the furnace body 2 are provided with heat insulating layers on the outer sides.
The heat loss is reduced, the heat preservation effect and the heating effect of the heating chamber 4 are better, the energy consumed by heating is saved, and the energy and the carbon are reduced.
As shown in fig. 2, a support platform 11 is provided at the bottom of the heating chamber 4, and the support platform 11 is a flat plate mounted on the support frame 1.
The heating chamber 4 is supported only by the supporting frame 1, the using strength of the supporting frame 1 is high, the fatigue damage life is easy, the supporting platform 11 can support the heating chamber 4, and the service life of the drying furnace is prolonged.
As shown in fig. 2, the air outlet and the air inlet of the fan 5 are both made of high-temperature-resistant multilayer soft connecting cloth.
Because the air expands with heat and contracts with cold, the setting of high temperature resistant multilayer soft cloth makes the kneck be difficult to because of atmospheric pressure rises suddenly or reduces the damage.
As shown in figure 1, the furnace body is vertical, and the product conveying channel is vertical conveying.
The vertical furnace body can reduce the use of ground space, has small occupied area and obtains higher economic benefit.
As shown in figure 4, the utility model discloses in the pipeline 3 and the 2 intercommunication departments of furnace body of discharging fume, it is sealed to set up rubber circle or felt circle, prevents that the waste gas after the processing from producing harmful effects to the workman is healthy.
The furnace gate of furnace body 2 set up inside skeleton and door frame skeleton, the fixed connection with furnace body 2 inside absolutely reduces the furnace gate and uses the thermal deformation and the lacrimation phenomenon after for a long time.
Claims (7)
1. The utility model provides an energy-saving passivation drying furnace, includes furnace body (2) of installing on braced frame (1), with smoke exhaust pipe way (3) and the circulation air supply arrangement of furnace body (2) intercommunication, its characterized in that: the circulating air supply device comprises an air inlet device and an air return device, the air inlet device comprises a heating chamber (4) arranged on a supporting frame and a fan (5) arranged at the outlet of the heating chamber (4), and the fan is communicated with the furnace body (2) by virtue of an air supply pipeline (6); the air return device comprises an air return pipeline (7) communicated with the furnace body (2), the air return pipeline (7) is communicated with the heating chamber (4), and the air return device further comprises a hot air source (8) for conveying hot air to the air return pipeline (7).
2. The energy-saving passivation drying oven of claim 1, characterized in that: the air blowing furnace is characterized in that a set of air blowing pipes (9) are symmetrically arranged in the furnace body (2), air openings of the air blowing pipes (9) are oppositely arranged, the air blowing pipes (9) are connected with an air supply pipeline (6) through three through openings (10), and a product conveying channel is arranged between the air openings of the air blowing pipes (9).
3. The energy-saving passivation drying oven of claim 1, characterized in that: the heating chamber (4) is heated by a resistance wire or a burner.
4. The energy-saving passivation drying oven of claim 1, characterized in that: and heat insulation layers are arranged on the outer sides of the heating chamber (4) and the furnace body (2).
5. The energy-saving passivation drying oven of claim 1, characterized in that: the bottom of the heating chamber (4) is provided with a supporting platform (11), and the supporting platform (11) is a flat plate arranged on the supporting frame (1).
6. The energy-saving passivation drying oven of claim 1, characterized in that: the air outlet and the air inlet of the fan (5) are both made of high-temperature-resistant multilayer soft connecting cloth.
7. The energy-saving passivation drying oven of claim 2, characterized in that: the furnace body (2) is vertical, and the product conveying channel is vertical for conveying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139991.2U CN211756644U (en) | 2020-01-21 | 2020-01-21 | Energy-saving passivation drying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020139991.2U CN211756644U (en) | 2020-01-21 | 2020-01-21 | Energy-saving passivation drying furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211756644U true CN211756644U (en) | 2020-10-27 |
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ID=72903561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020139991.2U Active CN211756644U (en) | 2020-01-21 | 2020-01-21 | Energy-saving passivation drying furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211756644U (en) |
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2020
- 2020-01-21 CN CN202020139991.2U patent/CN211756644U/en active Active
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