CN218154205U - Gas infrared heating device - Google Patents
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- CN218154205U CN218154205U CN202222487278.9U CN202222487278U CN218154205U CN 218154205 U CN218154205 U CN 218154205U CN 202222487278 U CN202222487278 U CN 202222487278U CN 218154205 U CN218154205 U CN 218154205U
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Abstract
The utility model discloses a gas infrared heating device, which belongs to a heating device for a casting machine back-up roll and a steel belt before continuous casting. Including setting up respectively in upper and lower bottom support roller of casting machine input end to and along the upper and lower steel band that upper and lower bottom support roller removed, and the combustor, the combustor is two gas type infrared radiation heaters, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roller, the combustor box wholly is the arc, and the concave surface is open towards the backing roll. The back-up roll and the steel band of the casting machine are continuously heated by an infrared radiation heating mode, so that the continuous heating device has the beneficial effects of uniform heating and prevention of electromagnetic interference, and is energy-saving and safe.
Description
Technical Field
The utility model discloses a gas infrared heating device, which belongs to a heating device for a casting machine back-up roll and a steel belt before continuous casting.
Background
In non ferrous metal casting equipment, molten metal needs to flow into a casting machine cavity formed by an upper steel strip structure and a lower steel strip structure for casting, the initial process temperature of a casting machine cavity forming body and the temperature uniformity in the width direction of a roller have great influence on the quality of products during operation, and if the temperature difference in the width direction of the steel strips is large during operation, the casting blanks are cracked due to inconsistent cooling of the casting blanks, and defective products or defective products are generated.
In the prior art, an electric heating mechanism is mostly adopted to continuously heat a casting machine supporting roller and a steel belt, so that the temperature difference between the running steel belt and each part of the supporting roller is reduced, and the defect rate of a casting body is reduced.
Subsequently, a solution with patent number CN201420165444.6 appeared. The technical scheme of the patent is as follows:
a non-ferrous metal bar continuous casting and rolling device comprises a continuous casting machine, a front tractor, a front rolling shear, a straightener, a continuous rolling mill and a rear rolling shear, wherein all the parts are sequentially linearly arranged, an approach bridge is arranged between the continuous casting machine and the front tractor, the center of a casting blank at an exit of the approach bridge and the centers of the front tractor, the front rolling shear, the straightener, the continuous rolling mill and the rear rolling shear are higher on the same straight line so as to ensure that a non-ferrous metal bar or a casting blank thereof moves linearly between the exit of the approach bridge and the rear rolling shear, and an induction heating device is further arranged between the straightener and the continuous rolling mill and used for continuously heating and heating the casting blank.
In the technical scheme of the patent, the effects of process simplification, continuous smelting, casting and rolling processes, automatic operation and high production efficiency are achieved. Meanwhile, the induction heating device is adopted, although the problem of continuous heating is solved, the following steps still exist: uneven heating, large electromagnetic interference and the like, and simultaneously, the casting cavity is not heated. The problem that the temperature difference of the equipment brings flaws to the processed finished products is not solved, and therefore a device which can continuously heat and can prevent the temperature difference phenomenon of the equipment is needed.
SUMMERY OF THE UTILITY MODEL
Can last even heating for the solution, can prevent electromagnetic interference again, the technical scheme of the utility model is like this:
the utility model provides an infrared heating device of gas, is including setting up respectively in upper and lower bottom support roller of casting machine input end to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roller removed, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roller, the combustor box wholly is the arc, and the concave surface is open towards the backing roll.
The shape of the radiant surface of the heater may also be changed according to the shape of the object to be heated.
The gas type infrared radiation heater comprises a premixed gas inlet arranged on the wall of a combustor box body, a gas nozzle, an injection pipe and a radiator, wherein the gas nozzle, the injection pipe and the radiator are sequentially communicated and arranged on the combustor box body, and the premixed gas inlet is communicated with the gas nozzle.
One end of the radiator is communicated with the injection pipe, the other end of the radiator is closed, and one side of the radiator, which faces the supporting roller, is a radiation area.
The radiation area is a net structure woven by metal fibers.
The controller comprises a controller box body provided with a program controller, the controller is connected with a high-voltage ignition electrode through a high-voltage ignition wire, the high-voltage ignition electrode is arranged in a radiation area, the controller is further connected with and controls a gas inlet, a gas outlet, a premixed gas inlet and a gas nozzle, the gas outlet is connected with the premixed gas inlet through a pipeline, and the gas nozzle is connected with a radiator interface through a pipeline.
The arc of combustor box is provided with and is used for the installation towards backing roll one side draw and penetrate the pipe, the mounting bracket of radiator, draw and penetrate the pipe, the radiator is two sets of at least.
Or a heating surface formed in a band shape in the longitudinal direction.
The radiators are arranged in parallel with the supporting roll, each group of radiators are arranged along an arc by taking the axis of the supporting roll as the center, and reinforcing ribs are arranged along the radial direction of the radiators.
And a protective cover is arranged on the gas type infrared radiation heater positioned outside the lower supporting roller.
In the technical scheme:
high-voltage ignition electrode: a common pulse igniter is adopted;
metal fiber: the fiber material is a fiber material which has high metal content, continuously distributed metal materials and micron-sized transverse dimension.
The high-temperature resistant material adopts: fiber felt, fiber cotton, ceramic fiber, diatomite refractory heat-insulating material and microporous calcium silicate heat-insulating material.
The working process of the technical scheme is as follows:
during casting operation, the high-voltage ignition electrode ignites the gas nozzle, the gas type infrared radiation heater is started, the supporting roll and the steel strip which start to run are continuously heated, the temperature of each position of the supporting roll and the steel strip is kept balanced, and the metal liquid flows into the casting machine from the supporting roll at the heating end, is crystallized and solidified through the casting machine and is conveyed to the subsequent working procedures.
The utility model discloses a theory of operation:
the radiation infrared ray emitted during the infrared heating of the fuel gas has stronger penetrating power, and can uniformly permeate the heat into the core depth of the heated object, thereby ensuring uniform heating effect and improving the heating quality. Compared with the existing electric heating, the gas infrared heating has the advantages of quick start, high efficiency, low energy consumption, no interference and the like. The specially designed infrared radiator can also emit far infrared radiation with longer wavelength, so that certain objects are heated more effectively, and energy is further saved. The lower burner shield prevents the lower burner from being blocked and covered by the medium and damaged to influence the function of the lower burner, particularly the damage of the lower burner caused by the leakage of the casting medium. The gas infrared heating can also form a carbon film on the steel belt, thereby playing the roles of protecting the steel belt and facilitating demoulding.
The utility model discloses technical scheme's beneficial effect is:
1. because an infrared heating mode is adopted, the electromagnetic interference is effectively avoided;
2. the support rollers and the steel belts of the casting machine are heated more uniformly by adopting an upper heating mode and a lower heating mode, so that the later processing is facilitated;
3. the heating is carried out by adopting the radiator, and the metal fiber is adopted for weaving in the radiation area, so that open fire is avoided, and the generation of infrared rays is facilitated;
4. a protective cover is arranged on the heater below, and devices such as a leakage-proof baffle plate and the like are arranged above the protective cover, so that the blockage or damage to the reticular radiation area caused by the action of gravity of the metal liquid is avoided;
5. the multiple groups of radiators are adopted, so that the heating areas of the supporting roller and the steel belt are larger, and the operation efficiency is improved; especially, the tubular form and the like are adopted, so that the radiation area is enlarged, and the heating is facilitated;
6. a high-temperature resistant material is arranged between the radiator and the combustor box body, so that heat loss is prevented, and the service life of the radiator is prolonged;
7. the radial direction of the radiator is provided with the reinforcing ribs, so that the strength of the radiator is improved;
8. the radiation heating mode is adopted, so that the problem that other parts and structures which do not need to be heated are baked and heated up inevitably in the electric heating mode is effectively avoided, and the damage to equipment is effectively avoided;
9. the radiant heating is adopted, the local heating can be realized only by utilizing the traditional lifting structure, meanwhile, the controller is utilized to control the fuel gas, so that not only is the uniform heating further realized, but also the effective control on the process temperature is realized, the yield is improved, and the defects are reduced;
10. and a gas mode is adopted, so that the requirement on environmental protection is met.
11. The radiant surface of the heater can be arranged according to the shape of the heated object, the distance between the radiant surface and the surface of the heated object is reduced, and the optimal heating effect is achieved
Drawings
FIG. 1 is a schematic view of a burner configuration;
FIG. 2 is a schematic cross-sectional view A-A of the burner;
FIG. 3 is a front view of the radiator;
fig. 4 is a side view of the radiator;
FIG. 5 is a schematic view of the connection of the burner to the controller;
FIG. 6 is a schematic view of a burner installation.
Description of the reference numerals:
1. the high-temperature-resistant fuel gas burner comprises an upper burner, 2, a controller, 3, a burner box body, 4, a premixed gas inlet, 5, a fuel gas nozzle, 6, an injection pipe, 7, a radiator connector, 8, a controller box body, 9, a fuel gas inlet, 10, a fuel gas outlet, 11, a program controller, 12, a high-pressure ignition electrode, 13, a high-pressure ignition wire, 14, a protective cover, 15, an upper steel strip, 16, a lower steel strip, 17, a radiator, 18, a radiation area, 19, high-temperature-resistant filling materials, 20, a lifting mechanism, 21 and a lower burner.
Detailed Description
A gas infrared heating device comprises a burner and a controller, wherein the burner comprises a burner box body, a premixed gas inlet, a gas nozzle, an injection pipe and a radiant tube interface; the controller comprises a controller box, a fuel gas inlet, a fuel gas outlet and a program controller, wherein a high-voltage ignition electrode and a high-voltage ignition wire are arranged on the combustor, the high-voltage ignition electrode is arranged in the combustor box, and the high-voltage ignition wire is connected with the high-voltage ignition electrode. The gas infrared heating mechanism is arranged at the upper and lower supporting rolls at the metal liquid inflow end, a protective cover is arranged above the lower combustor, and a leakage-proof baffle is arranged above the protective cover. Since the side of the upper heater facing the support roller faces downward, the heating effect is poor, and the width or heating power of the heater can be increased appropriately. The heater is provided with the lifting mechanism, so that the distance between the heater and the heating body is convenient to adjust, and materials can be conveniently loaded and unloaded. The lifting mechanism is driven by an oil cylinder, the cylinder barrel of the oil cylinder is connected with a support, the support is fixed on a rack of the casting machine, and the top of a piston rod of the oil cylinder is connected with a cantilever on the side of a heater support. When the heater needs to be opened, the oil cylinder piston rod pushes the cantilever of the heater bracket to drive the heater structure to ascend.
Example 1
The utility model provides an infrared heating device of gas, is including setting up respectively in upper and lower bottom support roll of casting machine input to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roll removed, its characterized in that, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roll, the combustor box wholly is the arc, and the concave surface is open towards the backing roll.
The high-voltage ignition electrode is arranged in the box body, and the high-voltage ignition wire is connected with the high-voltage ignition electrode.
Example 2
The utility model provides an infrared heating device of gas, is including setting up respectively in upper and lower bottom support roll of casting machine input to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roll removed, its characterized in that, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roll, the combustor box wholly is the arc, and the concave surface is open towards the backing roll. The high-voltage ignition electrode is arranged in the box body, and the high-voltage ignition wire is connected with the high-voltage ignition electrode.
The shape of the radiant surface of the heater may also be changed according to the shape of the object to be heated.
Example 3
The utility model provides an infrared heating device of gas, is including setting up respectively in upper and lower bottom support roll of casting machine input to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roll removed, its characterized in that, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roll, the combustor box wholly is the arc, and the concave surface is open towards the backing roll. The high-voltage ignition electrode is arranged in the box body, and the high-voltage ignition wire is connected with the high-voltage ignition electrode. The radiant surface shape of the heater can be changed according to the shape of a heating object, the gas type infrared radiation heater comprises a premixed gas inlet arranged on the wall of the combustor box body, a gas nozzle, an injection pipe and a radiator, wherein the gas nozzle, the injection pipe and the radiator are sequentially communicated and arranged on the combustor box body, and the premixed gas inlet is communicated with the gas nozzle.
Example 4
The utility model provides a gas infrared heating device, is including setting up respectively in the upper and lower bottom support roll of casting machine input to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roll removed, its characterized in that, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roll, the combustor box wholly is the arc, and the concave surface is open towards the backing roll. The radiant surface shape of the heater can be changed according to the shape of a heating object, the gas type infrared radiation heater comprises a premixed gas inlet arranged on the wall of a combustor box body, a gas nozzle, an injection pipe and a radiator, wherein the gas nozzle, the injection pipe and the radiator are sequentially communicated and arranged on the combustor box body, and the premixed gas inlet is communicated with the gas nozzle. One end of the radiator is communicated with the injection pipe, the other end of the radiator is closed, and one side of the radiator, which faces the supporting roller, is a radiation area.
Example 5
The utility model provides an infrared heating device of gas, is including setting up respectively in upper and lower bottom support roll of casting machine input to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roll removed, its characterized in that, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roll, the combustor box wholly is the arc, and the concave surface is open towards the backing roll. The radiant surface shape of the heater can be changed according to the shape of a heating object, the gas type infrared radiation heater comprises a premixed gas inlet arranged on the wall of a combustor box body, a gas nozzle, an injection pipe and a radiator, wherein the gas nozzle, the injection pipe and the radiator are sequentially communicated and arranged on the combustor box body, and the premixed gas inlet is communicated with the gas nozzle. One end of the radiator is communicated with the injection pipe, the other end of the radiator is closed, and one side of the radiator, which faces the supporting roller, is a radiation area. The radiation area is a net structure woven by metal fibers.
Example 6
The utility model provides a gas infrared heating device, is including setting up respectively in the upper and lower bottom support roll of casting machine input to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roll removed, its characterized in that, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roll, the combustor box wholly is the arc, and the concave surface is open towards the backing roll. The radiant surface shape of the heater can be changed according to the shape of a heating object, the gas type infrared radiation heater comprises a premixed gas inlet arranged on the wall of the combustor box body, a gas nozzle, an injection pipe and a radiator, wherein the gas nozzle, the injection pipe and the radiator are sequentially communicated and arranged on the combustor box body, and the premixed gas inlet is communicated with the gas nozzle. One end of the radiator is communicated with the injection pipe, the other end of the radiator is closed, and one side of the radiator, which faces the supporting roller, is a radiation area. The radiation area is of a net structure woven by metal fibers. The controller comprises a controller box body provided with a program controller, the controller is connected with a high-voltage ignition electrode through a high-voltage ignition wire, the high-voltage ignition electrode is arranged in a radiation area, the controller is further connected with and controls a gas inlet, a gas outlet, a premixed gas inlet and a gas nozzle, the gas outlet is connected with the premixed gas inlet through a pipeline, and the gas nozzle is connected with a radiator interface through a pipeline.
Example 7
The utility model provides an infrared heating device of gas, is including setting up respectively in upper and lower bottom support roll of casting machine input to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roll removed, its characterized in that, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roll, the combustor box wholly is the arc, and the concave surface is open towards the backing roll. The radiant surface shape of the heater can be changed according to the shape of a heating object, the gas type infrared radiation heater comprises a premixed gas inlet arranged on the wall of the combustor box body, a gas nozzle, an injection pipe and a radiator, wherein the gas nozzle, the injection pipe and the radiator are sequentially communicated and arranged on the combustor box body, and the premixed gas inlet is communicated with the gas nozzle. One end of the radiator is communicated with the injection pipe, the other end of the radiator is closed, and one side of the radiator, which faces the supporting roller, is a radiation area. The radiation area is of a net structure woven by metal fibers. The controller comprises a controller box body provided with a program controller, the controller is connected with a high-voltage ignition electrode through a high-voltage ignition wire, the high-voltage ignition electrode is arranged in a radiation area, the controller is further connected with and controls a gas inlet, a gas outlet, a premixed gas inlet and a gas nozzle, the gas outlet is connected with the premixed gas inlet through a pipeline, and the gas nozzle is connected with a radiator interface through a pipeline. The arc of combustor box is provided with and is used for the installation towards backing roll one side draw the installation of penetrating the pipe, the mounting bracket of radiator, draw and penetrate the pipe, the radiator is at least two sets of.
Example 8
The utility model provides an infrared heating device of gas, is including setting up respectively in upper and lower bottom support roll of casting machine input to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roll removed, its characterized in that, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roll, the combustor box wholly is the arc, and the concave surface is open towards the backing roll. The radiant surface shape of the heater can be changed according to the shape of a heating object, the gas type infrared radiation heater comprises a premixed gas inlet arranged on the wall of a combustor box body, a gas nozzle, an injection pipe and a radiator, wherein the gas nozzle, the injection pipe and the radiator are sequentially communicated and arranged on the combustor box body, and the premixed gas inlet is communicated with the gas nozzle. One end of the radiator is communicated with the injection pipe, the other end of the radiator is closed, and one side of the radiator, which faces the supporting roller, is a radiation area. The radiation area is of a net structure woven by metal fibers. The gas burner is characterized by further comprising a controller connected with the burner box body, the controller comprises a controller box body provided with a program controller, the controller is connected with a high-voltage ignition electrode through a high-voltage ignition wire, the high-voltage ignition electrode is arranged in the radiation area, the controller is further connected with and controls a gas inlet, a gas outlet, a premixed gas inlet and a gas nozzle, the gas outlet is connected with the premixed gas inlet through a pipeline, and the gas nozzle is connected with the radiator interface through a pipeline. The arc of combustor box is provided with and is used for the installation towards backing roll one side draw and penetrate the pipe, the mounting bracket of radiator, draw and penetrate the pipe, the radiator is two sets of at least. By increasing or decreasing the number of radiators, a heating surface having a band shape in the longitudinal direction is formed.
Example 9
The utility model provides a gas infrared heating device, is including setting up respectively in the upper and lower bottom support roll of casting machine input to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roll removed, its characterized in that, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roll, the combustor box wholly is the arc, and the concave surface is open towards the backing roll. The radiant surface shape of the heater can be changed according to the shape of a heating object, the gas type infrared radiation heater comprises a premixed gas inlet arranged on the wall of a combustor box body, a gas nozzle, an injection pipe and a radiator, wherein the gas nozzle, the injection pipe and the radiator are sequentially communicated and arranged on the combustor box body, and the premixed gas inlet is communicated with the gas nozzle. One end of the radiator is communicated with the injection pipe, the other end of the radiator is closed, and one side of the radiator, which faces the supporting roller, is a radiation area. The radiation area is a net structure woven by metal fibers. The gas burner is characterized by further comprising a controller connected with the burner box body, the controller comprises a controller box body provided with a program controller, the controller is connected with a high-voltage ignition electrode through a high-voltage ignition wire, the high-voltage ignition electrode is arranged in the radiation area, the controller is further connected with and controls a gas inlet, a gas outlet, a premixed gas inlet and a gas nozzle, the gas outlet is connected with the premixed gas inlet through a pipeline, and the gas nozzle is connected with the radiator interface through a pipeline. The arc of combustor box is provided with and is used for the installation towards backing roll one side draw the installation of penetrating the pipe, the mounting bracket of radiator, draw and penetrate the pipe, the radiator is at least two sets of. The radiators are arranged in parallel with the supporting roll, each group of radiators are arranged along the arc by taking the axis of the supporting roll as the center, and reinforcing ribs are arranged along the radial direction of the radiators.
Example 10
The utility model provides an infrared heating device of gas, is including setting up respectively in upper and lower bottom support roll of casting machine input to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roll removed, its characterized in that, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roll, the combustor box wholly is the arc, and the concave surface is open towards the backing roll. The radiant surface shape of the heater can be changed according to the shape of a heating object, the gas type infrared radiation heater comprises a premixed gas inlet arranged on the wall of the combustor box body, a gas nozzle, an injection pipe and a radiator, wherein the gas nozzle, the injection pipe and the radiator are sequentially communicated and arranged on the combustor box body, and the premixed gas inlet is communicated with the gas nozzle. One end of the radiator is communicated with the injection pipe, the other end of the radiator is closed, and one side of the radiator, which faces the supporting roller, is a radiation area. The radiation area is of a net structure woven by metal fibers. The controller comprises a controller box body provided with a program controller, the controller is connected with a high-voltage ignition electrode through a high-voltage ignition wire, the high-voltage ignition electrode is arranged in a radiation area, the controller is further connected with and controls a gas inlet, a gas outlet, a premixed gas inlet and a gas nozzle, the gas outlet is connected with the premixed gas inlet through a pipeline, and the gas nozzle is connected with a radiator interface through a pipeline. The arc of combustor box is provided with and is used for the installation towards backing roll one side draw and penetrate the pipe, the mounting bracket of radiator, draw and penetrate the pipe, the radiator is two sets of at least. The radiators are arranged in parallel with the supporting roll, each group of radiators are arranged along the arc by taking the axis of the supporting roll as the center, and reinforcing ribs are arranged along the radial direction of the radiators. And a protective cover is arranged on the gas type infrared radiation heater positioned outside the lower supporting roller.
Claims (8)
1. The utility model provides an infrared heating device of gas, is including setting up respectively in upper and lower bottom support roll of casting machine input to and along upper and lower steel band and upper and lower combustor that upper and lower bottom support roll removed, its characterized in that, upper and lower combustor is gas type infrared radiation heater, gas type infrared radiation heater installs respectively in the combustor box to arrange respectively in the outside of upper and lower bottom support roll, the combustor box wholly is the arc, and the concave surface is open towards the backing roll.
2. The gas infrared heating device as claimed in claim 1, wherein the upper and lower gas type infrared radiant heaters comprise a premixed gas inlet provided on a wall of the burner box, and a gas nozzle, an injection pipe and a radiator which are sequentially communicated with each other and provided on the burner box, wherein the premixed gas inlet is communicated with the gas nozzle.
3. The gas-fired infrared heating device as claimed in claim 2, wherein one end of the radiator is communicated with the injection pipe, the other end of the radiator is closed, and the side of the radiator facing the support roller is a radiation area.
4. A gas fired infrared heating device as defined in claim 3, wherein said radiation zone is a net structure woven of metal fibers.
5. The infrared gas heating device as claimed in claim 4, further comprising a controller connected to the burner housing, wherein the controller includes a controller housing provided with a program controller, the controller is connected to the high voltage ignition electrode through a high voltage ignition wire, the high voltage ignition electrode is disposed in the radiation region, the controller is further connected to and controls the gas inlet, the gas outlet, the premixed gas inlet, and the gas nozzle, the gas outlet is connected to the premixed gas inlet through a pipe, and the gas nozzle is connected to the radiator interface through a pipe.
6. The gas infrared heating device as claimed in claim 5, wherein a mounting rack for mounting the injection pipe and the radiator is provided on one side of the burner box facing the support roll, and at least two groups of injection pipes and radiators are provided.
7. The gas-fired infrared heating apparatus as claimed in claim 6, wherein the radiators are disposed in parallel with the supporting roll, and each group of the radiators is disposed along an arc centering on an axis of the supporting roll, and reinforcing ribs are disposed along a radial direction of the radiators.
8. The gas-fired infrared heating apparatus as set forth in claim 7, wherein a shield is provided on the gas-fired infrared radiation heater outside the lower supporting roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222487278.9U CN218154205U (en) | 2022-09-20 | 2022-09-20 | Gas infrared heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222487278.9U CN218154205U (en) | 2022-09-20 | 2022-09-20 | Gas infrared heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218154205U true CN218154205U (en) | 2022-12-27 |
Family
ID=84562579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222487278.9U Active CN218154205U (en) | 2022-09-20 | 2022-09-20 | Gas infrared heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218154205U (en) |
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2022
- 2022-09-20 CN CN202222487278.9U patent/CN218154205U/en active Active
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