CN217869031U - Stove nose head and stove nose - Google Patents
Stove nose head and stove nose Download PDFInfo
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- CN217869031U CN217869031U CN202221281410.4U CN202221281410U CN217869031U CN 217869031 U CN217869031 U CN 217869031U CN 202221281410 U CN202221281410 U CN 202221281410U CN 217869031 U CN217869031 U CN 217869031U
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- humidifying
- humidifying pipe
- strip steel
- water tank
- furnace nose
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Abstract
The utility model discloses a stove nose head and stove nose is applicable to production aluminized zinc belted steel, belongs to stove nose technical field, and this stove nose includes body and humidifying pipe. The body is provided with a channel for the strip steel to pass through, and the outlet is used for being immersed in a zinc pot; the humidifying pipe is connected to the inner wall of the body, the humidifying pipe is arranged along the width direction of the strip steel, the humidifying pipe is provided with a plurality of spray holes facing the inner wall where the humidifying pipe is located, and the two ends of the humidifying pipe are used for entering humidifying gas. The furnace nose provided by the utility model ensures the surface quality of the strip steel, and has simple structure, low cost and easy popularization and application.
Description
Technical Field
The utility model belongs to the technical field of the stove nose, concretely relates to stove nose head and stove nose.
Background
The aluminum-zinc-plated steel plate has ultrahigh corrosion resistance, high-temperature oxidation resistance, high heat reflectivity, excellent coating property and excellent surface property, thereby having good application prospect. The temperature of the coating liquid of the aluminum-zinc plating reaches 600 ℃, compared with the traditional hot galvanizing, the volatilization of zinc vapor is more serious, a large amount of zinc ash is condensed on the inner wall of the furnace nose in a short time in the production process, a thick layer of zinc ash and zinc slag mixture is gathered on two sides of the strip steel in the furnace nose, in the operation process of the strip steel, the zinc ash falls off due to factors such as strip steel shaking and equipment vibration, the zinc ash and zinc slag on two sides of the strip steel are stirred to enter the upper surface and the lower surface of the strip steel, the defects of surface plating leakage and end surface plating leakage are generated, and the defects of uneven short strip-shaped zinc flowers are simultaneously generated.
The humidified gas sprayed out of the humidifying holes of the nose head of the traditional galvanizing furnace can directly spray the strip steel and the zinc liquid surface, and the defects of plating leakage can be caused by the fact that the humidified gas directly sprays the strip steel and the liquid surface of the plating liquid due to the difference of the components of the aluminum-zinc plating liquid and the zinc plating liquid.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a furnace nose head and furnace nose have guaranteed the surface quality of aluminized zinc steel sheet, and simple structure, low cost easily popularizes and applies.
The technical scheme of the utility model is that:
on the one hand, the utility model provides a furnace nose head is applicable to production aluminized zinc belted steel, furnace nose head includes:
the body is provided with a channel for the strip steel to pass through, and the outlet is used for being immersed in the zinc pot;
the humidifying pipe, connect in on the inner wall of body, and follow the width direction of belted steel sets up, the humidifying pipe is equipped with the orientation a plurality of orifices of humidifying pipe place inner wall, it is a plurality of the orifice with the inside intercommunication of humidifying pipe, the both ends of humidifying pipe are used for getting into the humidification gas.
Furthermore, the body is in two inner walls of belted steel thickness direction all are equipped with the humidifying pipe.
Furthermore, the body is in the humidifying pipe of every inner wall of belted steel thickness direction all is equipped with a plurality ofly, and is a plurality of the humidifying pipe is followed length direction is in proper order the interval sets up.
Furthermore, each humidifying pipe is provided with a plurality of spray holes, and the spray holes are sequentially arranged at intervals along the width direction of the strip steel.
Further, an outlet of a spray hole of each humidifying pipe faces downwards; and the outlet directions of the plurality of spray holes of each humidifying pipe are consistent.
Further, the stove nose still includes:
the water tank is used for containing water and is provided with an air inlet and an air outlet, the air outlet of the water tank is communicated with the two ends of the humidifying pipe, and the water tank is arranged on the water tank.
Further, the water tank is provided with a heater.
Further, the stove nose still includes:
and the condenser is arranged between the water tank and the humidifying pipe.
On the other hand, the utility model provides a furnace nose, the furnace nose includes:
the furnace nose head is arranged on the furnace body,
the heat preservation section is provided with a channel for the strip steel to pass through, is communicated with the body and is positioned outside the zinc pot.
Further, the stove nose still includes:
the expansion section is provided with a channel for the strip steel to pass through, is connected to one end, far away from the body, of the heat preservation section, and is communicated with the heat preservation section.
The beneficial effects of the utility model include at least:
the utility model provides a furnace nose head is applicable to production aluminium-zinc plating belted steel, and this furnace nose head includes body and humidifying pipe. The body is provided with a channel for the strip steel to pass through, and the outlet is used for being immersed in a zinc pot; the humidifying pipe is connected to the inner wall of the body, the humidifying pipe is arranged along the width direction of the strip steel, the humidifying pipe is provided with a plurality of spray holes facing the inner wall where the humidifying pipe is located, and two ends of the humidifying pipe are used for entering humidifying gas. The strip steel passes through the channel of the body and enters the plating solution of the zinc pot to be plated, the humidifying gas enters from the two ends of the humidifying pipe and is sprayed out from the spray holes of the humidifying pipe, and the humidifying gas is sprayed onto the inner wall of the body and cannot directly act with the surface of the strip steel due to the fact that the spray holes face the inner wall where the humidifying pipe is located, and therefore the surface quality of the aluminum-zinc plated steel plate is guaranteed; and the humidified gas sprayed onto the inner wall can be mixed with the zinc ash on the inner wall of the furnace nose, and the zinc ash can be more firmly condensed on the inner wall, so that the risk that the zinc ash falls off due to factors such as equipment vibration and strip steel shaking is reduced, and the surface quality of the aluminum-zinc-plated steel plate is improved. The furnace nose head provided by the utility model ensures the surface quality of the strip steel, and has simple structure, low cost and easy popularization and application.
Drawings
Fig. 1 is a front view of a furnace nose head according to the present embodiment.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Description of reference numerals: 1-furnace nose head, 11-body and 12-humidifying tube.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings.
The Al-Zn-plated steel sheet is a steel sheet produced by immersing a steel strip in a zinc solution containing 55% Al-43.4% Zn-1.6% Si, has excellent corrosion resistance, and can be used as a building material as it is. The 13-year exposure test performed in the atmospheric environment under various conditions shows that the corrosion resistance is superior to that of the conventional galvanized steel sheet by 3-6 times because the alzn-plated steel sheet has excellent characteristics of corrosion resistance, heat resistance and heat reflectivity of the alzn-plated steel sheet, and sacrificial anode effect of the alzn-plated steel sheet at the same time.
Fig. 1 to 3 show the structure of the furnace nose head, and with reference to fig. 1 to 3, the utility model provides a furnace nose head 1 suitable for producing aluminum-zinc-plated strip steel, wherein the furnace nose head 1 comprises a body 11 and a humidifying pipe 12.
The body 11 is provided with a channel for strip steel to pass through, and an outlet of the body 11 is used for being immersed in a zinc pot; the humidifying pipe 12 is connected to the inner wall of the body 11, the humidifying pipe 12 is arranged along the width direction of the strip steel, the humidifying pipe 12 is provided with a plurality of spray holes facing the inner wall of the humidifying pipe 12, the spray holes are communicated with the interior of the humidifying pipe 12, and two ends of the humidifying pipe 12 are used for entering humidifying gas.
The strip steel passes through the channel of the body 11 and enters the plating solution of the zinc pot for plating, the humidifying gas enters from the two ends of the humidifying pipe 12 and is sprayed out from the spray holes of the humidifying pipe 12, and the humidifying gas is sprayed onto the inner wall of the body 11 without directly acting with the surface of the strip steel due to the fact that the spray holes face the inner wall where the humidifying pipe 12 is located, so that the surface quality of the aluminum-zinc plated steel plate is guaranteed; and the humidified gas sprayed onto the inner wall can be mixed with the zinc ash on the inner wall of the furnace nose head 1, the zinc ash can be more firmly condensed on the inner wall, the risk that the zinc ash drops due to factors such as equipment vibration and strip steel shaking is reduced, and the surface quality of the aluminum-zinc-plated steel plate is improved.
Further, referring to fig. 1 to 3, in this embodiment, the humidifying pipes 12 are disposed on both inner walls of the main body 11 in the thickness direction of the strip steel, and the humidifying gases are respectively sprayed on both inner walls of the main body 11 in the thickness direction of the strip steel, so as to improve the dust suppression effect.
Further, in this embodiment, the humidifying pipe 12 of each inner wall of the body 11 in the strip steel thickness direction can be provided with a plurality of, and the plurality of humidifying pipes 12 are arranged along the length direction at intervals in sequence, so that the dust suppression effect is good.
Further, in this embodiment, each of the humidifying pipes 12 may be provided with a plurality of spray holes, and the plurality of spray holes are sequentially arranged at intervals along the width direction of the strip steel, so as to suppress dust on different portions of the inner wall of the body 11 in the width direction of the strip steel.
Preferably, in the present embodiment, the outlet of the spray hole of each humidifying pipe 12 faces downward; the outlet directions of the plurality of spray holes of each humidifying pipe 12 are consistent. Referring to fig. 2, the inner wall of the furnace nose is inclined, so the spray holes 12 may be inclined downward along the inner wall, but the spray holes 12 may also be inclined upward to spray the humidified gas toward the inner wall, which is not limited herein.
Further, in this embodiment, the furnace nose head 1 may further include a water tank for containing water, the water tank having an air inlet and an air outlet, and the air outlet of the water tank is communicated with two ends of the humidifying pipe 12. In the specific implementation process, the air inlet of the water tank can be arranged at the bottom of the water tank or at the side part of the water tank, and the air inlet is preferably lower than the liquid level in the water tank, so that the humidifying gas can be formed at the air outlet. The gas can be nitrogen or other gas which does not affect the surface quality of the strip steel, and is not limited herein. The highest point of the nitrogen inlet pipe can be higher than the liquid level in the water tank. The nitrogen can be produced by the nitrogen product in the steel enterprise as the gas source, and the gas source can have certain pressure to drive the gas to move forward along the pipeline. The gas outlet of the water tank can be communicated with both ends of each humidifying pipe 12, and a flow regulating valve can be arranged between the gas outlet and the end part of each humidifying pipe 12 for controlling the flow of the humidifying gas.
In order to ensure the temperature of the humidified gas and avoid the excessive low temperature of the humidified gas from affecting the surface quality of the aluminized zinc steel sheet, in the embodiment, the water tank may be provided with a heater for heating the water in the water tank so that the water in the water tank is maintained at 40-55 ℃. The heater can be resistance heating, and can also be used for heating the water tank after heat exchange by other heat sources with heat, which is not limited herein.
Furthermore, in this embodiment, the furnace nose head 1 may further include a condenser, which may be disposed between the water tank and the humidifying pipe 12, so as to discharge the condensed water in the humidified gas, and prevent the condensed water from the humidifying pipe 12 from spraying water drops and flowing into the zinc pot along the inner wall of the main body 11, which may affect the quality of the plating solution. The condenser may be selected according to the requirement, for example, a drain pipe, which is not limited herein.
On the other hand, the utility model also provides a furnace nose, this furnace nose includes heat preservation section and foretell furnace nose head 1, and the heat preservation section is equipped with the passageway that is used for belted steel to pass through, and heat preservation section with the body intercommunication, heat preservation section are located outside the zinc pot. The heat preservation section can provide the heat preservation effect when belted steel passes through, avoids belted steel cooling, influences the cladding material quality. The heat insulation section can be realized by externally enclosing a heat insulation material, such as heat insulation cotton. The body in the plating solution is easy to corrode, and the heat preservation section and the body can be connected through a detachable bolt, so that the steel pipe can be replaced or maintained according to the requirement.
Furthermore, in this embodiment, the furnace nose may further include an expansion section, the expansion section is provided with a passage for the strip steel to pass through, and the expansion section is connected to one end of the heat preservation section far away from the body, and the expansion section is communicated with the heat preservation section. The expansion section can realize the expansion and the swing of the furnace nose head 1.
The utility model provides a stove nose 1 after coming into operation, the zinc ash state has obvious improvement in the stove nose 1: firstly, zinc ash and zinc slag gathered at two sides of the strip steel are obviously reduced, and the defect of end surface plating leakage caused by gathering of the zinc ash and zinc slag is avoided; secondly, the humidifying gas makes the zinc ash condensed on the inner wall of the furnace nose head 1 firmer, reduces the risk of the zinc ash dropping due to factors such as equipment vibration, strip steel shaking and the like, and reduces the plate surface plating leakage defect caused by the dropping of the zinc ash. The furnace nose head 1 provided by the utility model ensures the surface quality of the strip steel, and has simple structure, low cost and easy popularization and application. The furnace nose is adopted to reduce the plating leakage defect by 150 tons in 1 month, and the benefit is increased by 9 ten thousand yuan per month.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. The utility model provides a stove nose head, is applicable to production aluminium-zinc plating belted steel which characterized in that, stove nose head includes:
the body is provided with a channel for the strip steel to pass through, and the outlet is used for extending into the zinc pot;
the humidifying pipe, connect in on the inner wall of body, and follow the width direction of belted steel sets up, the humidifying pipe is equipped with the orientation a plurality of orifices of humidifying pipe place inner wall, it is a plurality of the orifice with the inside intercommunication of humidifying pipe, the both ends of humidifying pipe are used for getting into the humidification gas.
2. The furnace nose head as claimed in claim 1, wherein the humidifying pipes are provided on both inner walls of the body in the thickness direction of the strip steel.
3. The furnace nose head as claimed in claim 2, wherein the humidifying pipes are provided in plurality on each inner wall of the body in the thickness direction of the strip steel, and the plurality of humidifying pipes are sequentially arranged at intervals along the length direction of the strip steel.
4. The furnace nose head as claimed in claim 1, wherein each of the humidifying pipes is provided with a plurality of the spray holes, and the plurality of spray holes are sequentially spaced along a width direction of the strip steel.
5. The burner nose head of claim 4 wherein the outlet of the orifice of each of the humidifying tubes faces downward; and the outlet directions of the plurality of spray holes of each humidifying pipe are consistent.
6. The furnace nose head of any one of claims 1-5, further comprising:
the water tank is used for containing water and is provided with an air inlet and an air outlet, the air outlet of the water tank is communicated with the two ends of the humidifying pipe, and the water tank is arranged on the water tank.
7. The burner nose head of claim 6 wherein the water tank is provided with a heater.
8. The furnace nose head of claim 6, further comprising:
and the condenser is arranged between the water tank and the humidifying pipe.
9. A furnace nose, comprising:
the furnace nose according to any one of claims 1 to 8,
the heat preservation section is provided with a channel for the strip steel to pass through, is communicated with the body and is positioned outside the zinc pot.
10. The furnace nose of claim 9, further comprising:
the expansion section is provided with a channel for the strip steel to pass through, is connected to one end, far away from the body, of the heat preservation section, and is communicated with the heat preservation section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221281410.4U CN217869031U (en) | 2022-05-25 | 2022-05-25 | Stove nose head and stove nose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221281410.4U CN217869031U (en) | 2022-05-25 | 2022-05-25 | Stove nose head and stove nose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217869031U true CN217869031U (en) | 2022-11-22 |
Family
ID=84091209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221281410.4U Active CN217869031U (en) | 2022-05-25 | 2022-05-25 | Stove nose head and stove nose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217869031U (en) |
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2022
- 2022-05-25 CN CN202221281410.4U patent/CN217869031U/en active Active
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