CN212247216U

CN212247216U - Enamel non-stick gas radiation heating furnace

Info

Publication number: CN212247216U
Application number: CN202020319435.3U
Authority: CN
Inventors: 陈从培
Original assignee: Huangshan Nuofan Technology Equipment Manufacturing Co ltd
Current assignee: Huangshan Nuofan Technology Equipment Manufacturing Co ltd
Priority date: 2020-01-17
Filing date: 2020-03-13
Publication date: 2020-12-29
Anticipated expiration: 2030-03-13

Abstract

The utility model aims at providing an enamel on-stick gas radiation heating furnace that the heating is even and product quality is high, be provided with conveying mechanism in the cavity between the import of furnace body and the export, interval arrangement has multiunit heat radiation unit on conveying mechanism's the direction of delivery, and heat radiation unit communicates with each other through pipeline and mixed gas, mixes the gas and burns in heat radiation unit and with heat radiation to the product solidify in the cavity of furnace body. In the above scheme, the mixed gas is burnt in the heat radiation unit, and the heat radiation solidifies the product in the cavity of furnace body, does not have impurity and the product is heated evenly in the cavity and has guaranteed the quality of product surface finish in curing process.

Description

Enamel non-stick gas radiation heating furnace

Technical Field

The utility model relates to a solidification stoving technical field, concretely relates to enamel non-stick gas radiation heating furnace.

Background

The non-stick pan is well received by consumers due to its non-stick performance, the non-stick pan bottom is coated with primer, namely non-stick coating, and the common Teflon coating and enamel coating with the best non-stick performance are provided. The outermost layer (namely a surface layer) of a liquid enamel sprayed on a product is sent to a high-temperature furnace for sintering and curing to directly obtain the product, the solid high-temperature furnace in the prior art generally directly communicates an air outlet of a high-temperature fan with the high-temperature furnace, high-temperature gas is blown into the high-temperature furnace to cure the enamel coating, but inevitable impurities are mixed in the gas, and the impurities adhere to the surface of the enamel coating along with the airflow to influence the quality of the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an even enamel on-stick gas radiation heating furnace that just the product quality is high of heating.

In order to realize the purpose, the utility model discloses a technical scheme be: the utility model provides an enamel non-stick gas radiation heating furnace, is provided with conveying mechanism in the cavity between the import and the export of furnace body, and interval arrangement has the multiunit heat radiation unit on conveying mechanism's the direction of delivery, and the heat radiation unit communicates with each other with mixed gas through the pipeline, and mixed gas burns in the heat radiation unit and solidifies the product in the cavity with heat radiation to the furnace body.

In the above scheme, the mixed gas is burnt in the heat radiation unit, and the heat radiation solidifies the product in the cavity of furnace body, does not have impurity and the product is heated evenly in the cavity and has guaranteed the quality of product surface finish in curing process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is a schematic view of a portion of FIG. 2;

fig. 5 is a sectional view taken along line a-a of fig. 1.

Detailed Description

As shown in fig. 1-5, an enamel non-stick gas radiation heating furnace comprises a conveying mechanism 20 arranged in a cavity between an inlet and an outlet of a furnace body 10, a plurality of groups of heat radiation units 30 are arranged at intervals in the conveying direction of the conveying mechanism 20, the heat radiation units 30 are communicated with mixed gas through pipelines, and the mixed gas is combusted in the heat radiation units 30 and radiates heat into the cavity of the furnace body 10 to cure products. Mix the gas and burn in heat radiation unit 20, the heat radiates and solidifies the product in the cavity of furnace body 10, there is not impurity in the cavity, the quality of product surface finish paint in the curing process has been guaranteed, all be provided with heat radiation unit 30 on conveying mechanism 20's the direction of delivery simultaneously, guarantee that heat distribution is even in the whole cavity, the product is heated evenly in whole curing process, especially to enamel finish paint, if the in-process temperature of enamel solidification is inhomogeneous, the risk of fracture can appear, here the temperature on whole direction of delivery all keeps unanimous, the problem of finish paint fracture has been stopped, thereby guarantee the quality of product.

Specifically, the heat radiation unit 30 includes a horizontally disposed U-shaped heat exchange tube 31, one end of the U-shaped heat exchange tube 31 is connected to the furnace body 10, the other end of the U-shaped heat exchange tube 31 is cantilevered to the other side of the furnace body 10, and the conveying mechanism 20 is of a chain plate structure.

The heat radiation unit 30 includes 5U-shaped heat exchange tubes 31, wherein 3U-shaped heat exchange tubes 31 are disposed below the conveying mechanism 20, 2U-shaped heat exchange tubes 31 are disposed above the conveying mechanism 20, the U-shaped heat exchange tubes 31 located above and below are arranged in a staggered manner, two of the 3U-shaped heat exchange tubes 31 located below are fixed on one side of the furnace body 10, the other one of the 3U-shaped heat exchange tubes 31 located below are fixed on the other side of the furnace body 10, and the 2U-shaped heat exchange tubes 31 located above are respectively fixed on two sides of the furnace body 10. Thus, the U-shaped heat exchange pipes 31 are arranged above the conveying mechanism 20 and below the conveying mechanism 20, and the U-shaped heat exchange pipes 31 on the same side are arranged from two sides of the furnace body 10, so that the products on the conveying mechanism 20 can be heated uniformly.

The concrete structure is as follows: the open end of the U-shaped heat exchange tube 31 is fixedly connected with the mounting tube 32, the mounting tube 32 is fixedly connected with the furnace body 10, the burner 33 is fixedly connected with the mounting tube 32, the tube section of the burner 33 extends into the air inlet of the U-shaped heat exchange tube 31 in the mounting tube 32, and the burner 33 positioned outside the furnace body 10 is communicated with the fuel gas tube 50 and the air tube 42. The mounting tube 32 is used for fixing the U-shaped heat exchange tube 31 to the furnace body 10, and also has the function of fixing the burner 33.

Depending on the size of the on-site furnace body 10 and the size of the heat radiating units 30, it is preferable that the heat radiating units 30 are provided with 4 groups in total, the front 3 groups of the heat radiating units 30 are provided with 5U-shaped heat exchanging pipes 31, and the rear 1 group of the heat radiating units 30 are provided with 3U-shaped heat exchanging pipes 31.

The mixed fuel gas is a mixture of natural gas and air, wherein the natural gas and the air are conveyed by separate pipelines, the natural gas and the air are mixed at the burner nozzle 33 and then enter the U-shaped heat exchange pipe 31 for combustion, a fan 40 is arranged beside the furnace body 10, an air supply pipe 41 of the fan 40 is connected with an air pipe 42, the air pipe 42 is arranged in a heat insulation layer of the furnace body 10, the purpose of the arrangement is to preheat the air passing through the air pipe 42 by utilizing the heat of the heat insulation layer to improve the heat utilization rate as much as possible, the air pipe 42 is led out of the furnace body 10 at the burner nozzle 33 through a branch pipe 43 and is connected with the burner nozzle 33, the burner nozzle 33 can be regarded as a three-way pipe, two ends of the three-way pipe are positioned outside the furnace body 10 and are respectively connected with the fuel gas pipe 50 and the air pipe 42, and the.

In the same way, the waste gas generated by burning the mixed gas is discharged in time, the air outlet pipe 34 is arranged in the position corresponding to the air outlet of the U-shaped heat exchange pipe 31 in the installation pipe 32, and the air outlet pipe 34 is communicated with the waste gas pipe 12 after passing through the heat insulation layer of the furnace body 10, so that the heat of the waste gas is utilized, and the utilization efficiency of the heat is improved.

Further, a manual ball valve 51 is arranged on the gas pipe 50 at the burner 33 for controlling the on/off amount of natural gas, and a manual butterfly valve 44 is arranged on the branch pipe 43 at the burner 33 for controlling the on/off amount of air.

The top of the furnace body 10 is provided with a smoke exhaust pipe 11.

Claims

1. The utility model provides an enamel non-stick gas radiation heating furnace, is provided with conveying mechanism (20) in the cavity between the import of furnace body (10) and the export, its characterized in that: the interval arrangement has multiunit heat radiation unit (30) on the direction of delivery of conveying mechanism (20), heat radiation unit (30) communicate with each other through pipeline and mixed gas, mixed gas is burnt in heat radiation unit (30) and solidifies the product in radiating the cavity of furnace body (10) with heat, heat radiation unit (30) are including the U type heat exchange tube (31) of putting horizontally, the one end of U type heat exchange tube (31) links to each other with furnace body (10), the other end is to the opposite side overhang of furnace body (10), conveying mechanism (20) are the chain slat type structure.

2. The enamel non-stick gas fired radiant heater of claim 1, further comprising: the heat radiation unit (30) comprises 5U-shaped heat exchange tubes (31), wherein 3U-shaped heat exchange tubes (31) are arranged below the conveying mechanism (20), 2U-shaped heat exchange tubes (31) are arranged above the conveying mechanism (20), the U-shaped heat exchange tubes (31) positioned above and below are arranged in a staggered mode, two of the 3U-shaped heat exchange tubes (31) positioned below are fixed on one side of the furnace body (10), the other U-shaped heat exchange tube is fixed on the other side of the furnace body (10), and the 2U-shaped heat exchange tubes (31) positioned above are respectively fixed on two sides of the furnace body (10).

3. The enamel non-stick gas fired radiant heater as claimed in claim 2, wherein: the open end of the U-shaped heat exchange tube (31) is fixedly connected with the mounting tube (32), the mounting tube (32) is fixedly connected with the furnace body (10), the burner (33) is fixedly connected with the mounting tube (32), the tube section of the burner (33) extends into the air inlet of the U-shaped heat exchange tube (31) in the mounting tube (32), and the burner (33) positioned outside the furnace body (10) is communicated with the gas tube (50) and the air tube (42).

4. The enamel non-stick gas fired radiant heater of claim 3, further comprising: the heat radiation units (30) are provided with 4 groups, the front 3 groups of heat radiation units (30) are provided with 5U-shaped heat exchange tubes (31), and the rear 1 group of heat radiation units (30) are provided with 3U-shaped heat exchange tubes (31).

5. The enamel non-stick gas fired radiant heater of claim 1, further comprising: a fan (40) is arranged beside the furnace body (10), an air supply pipe (41) of the fan (40) is connected with an air pipe (42), the air pipe (42) is arranged in a heat insulation layer of the furnace body (10), and the air pipe (42) is led out of the furnace body (10) through a branch pipe (43) at the burner nozzle (33) and is connected with the burner nozzle (33).

6. The enamel non-stick gas fired radiant heater of claim 3, further comprising: an air outlet pipe (34) is arranged in the installation pipe (32) and at the position corresponding to the air outlet of the U-shaped heat exchange pipe (31), and the air outlet pipe (34) is communicated with the waste gas pipe (12) after passing through the heat insulation layer of the furnace body (10).

7. The enamel non-stick gas fired radiant heater of claim 5, further comprising: a manual ball valve (51) is arranged on a gas pipe (50) at the burner (33), and a manual butterfly valve (44) is arranged on a branch pipe (43) at the burner (33).

8. The enamel non-stick gas fired radiant heater of claim 1, further comprising: the top of the furnace body (10) is provided with a smoke exhaust pipe (11).