CN218574390U - Impurity moisture clearing device for hot-rolled H-shaped steel - Google Patents
Impurity moisture clearing device for hot-rolled H-shaped steel Download PDFInfo
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- CN218574390U CN218574390U CN202221455545.8U CN202221455545U CN218574390U CN 218574390 U CN218574390 U CN 218574390U CN 202221455545 U CN202221455545 U CN 202221455545U CN 218574390 U CN218574390 U CN 218574390U
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Abstract
The utility model discloses a hot rolling H shaped steel impurity moisture clearing device belongs to machinery, including the transport unit who is used for carrying hot rolling H shaped steel, be used for carrying out the flushing pipe that washes and be used for the abluent high pressure of helping hand to the hot rolling H shaped steel surface and sweep the pipe, the flushing pipe with the high pressure sweeps the pipe edge hot rolling H shaped steel length direction cover is established on the hot rolling H shaped steel, be close to on the flushing pipe hot rolling H shaped steel surface one side is formed with first nozzle, be close to on the high pressure sweeps the pipe hot rolling H shaped steel surface one side is formed with the second nozzle. The utility model has the advantages that: the flushing pipe is matched with the high-pressure blowing pipe, firstly, clean water is added to the surface of the hot-rolled H-shaped steel through a first nozzle on the flushing pipe to clean the surface of the hot-rolled H-shaped steel, then, the clean water on the surface of the hot-rolled H-shaped steel is blown and stirred through high-pressure air blown out by a second nozzle of the high-pressure blowing pipe, and the effect that the steel surface is cleaned through clean water turbulence is achieved.
Description
Technical Field
The utility model relates to a H shaped steel hot-galvanize field particularly, relates to a hot rolling H shaped steel impurity moisture clearing device.
Background
The existing hot-rolled H-shaped steel hot galvanizing process is that a hot-rolled H-shaped steel finished product cut into sections is purchased by a galvanizing processing factory at the downstream of a hot-rolled H-shaped steel factory, and after the hot-rolled H-shaped steel finished product is heated and surface impurities are removed, galvanizing is carried out in a galvanizing bath, and the production of the galvanized H-shaped steel product is finished.
Because the hot-rolled H-shaped steel finished product needs to be heated to a higher temperature before galvanization, the problems of higher comprehensive energy consumption and unfavorable carbon reduction and emission reduction exist, the 'tandem rolling and tandem plating' process is adopted, the subsequent galvanization process treatment is directly carried out by utilizing sufficient heat of 850 ℃ high temperature after the hot-rolled H-shaped steel is finally rolled, and the problem of high energy consumption of the galvanized H-shaped steel can be creatively solved without energy consumption and heating. If the 'continuous rolling and continuous plating' process is adopted, the high-pressure water dephosphorization is needed to be carried out on the surface of the galvanized H-shaped steel before the galvanization, impurities and water are attached to the surface of the galvanized H-shaped steel after the high-pressure water dephosphorization, the galvanization effect can be influenced due to the existence of the surface impurities, the defects of plating leakage and galvanized layer stripping are caused, and the service life of the galvanized H-shaped steel is influenced. And because the H shape of the hot-rolled H-shaped steel can form a water tank after being filled with water, the water surge enters the hot galvanizing procedure and dangerous accidents such as explosion can occur, thereby endangering the safety of personnel and equipment.
In view of the above, the present inventors have made extensive studies to meet this need.
SUMMERY OF THE UTILITY MODEL
The invention provides a hot-rolled H-shaped steel impurity and moisture removing device, which aims to overcome the problems that impurities and moisture are attached to the surface of galvanized H-shaped steel after phosphorus removal is carried out by high-pressure water, the galvanizing effect is influenced, the defects of plating leakage and zinc coating peeling are caused, the service life of a galvanized H-shaped steel product is influenced, the safety of personnel and equipment is endangered and the like.
The method comprises the steps of adopting a flushing pipe and a high-pressure purging pipe to be matched, firstly adding clean water to the surface of the hot-rolled H-shaped steel through a first nozzle on the flushing pipe to clean the surface of the hot-rolled H-shaped steel, then purging and stirring the clean water on the surface of the hot-rolled H-shaped steel through high-pressure air blown out by a second nozzle of the high-pressure purging pipe, flushing impurities on the surface and impurities such as chloride salts and the like through low-pressure clean water, purging and stirring through the high-pressure air, and achieving the effect of cleaning the surface of the steel through turbulent flow of the clean water.
Preferably, the flushing pipe is one of a circular ring pipe, a square pipe or an H-shaped pipe, and a plurality of first nozzles are arranged on the inner side surface of the flushing pipe. The H-shaped pipe has the best effect, and the circular ring-shaped pipe and the square pipe can achieve the expected washing effect.
Preferably, the left side and the right side of the flushing pipe are provided with first mouthpiece pipes.
Preferably, 2-4 groups of flushing pipes and high-pressure purging pipes are alternately sleeved in the length direction of the hot-rolled H-shaped steel. When the flushing pipes and the high-pressure purging pipes are arranged, 1 flushing pipe and 1 high-pressure purging pipe can be used as a group, 2 flushing pipes and 1 high-pressure purging pipe can also be used as a group, the high-pressure purging pipes are arranged behind and in front, and the flushing pipes are mainly matched to enable the surface cleaning water of the hot-rolled H-shaped steel to form turbulent flow, so that a better cleaning effect is achieved.
Wherein, the last high-pressure air sweeps, has ensured simultaneously that hot rolling H shaped steel is dry clean before entering galvanizing rig, accords with the galvanizing requirement. And two high-pressure air blowing devices can be arranged, so that accidents are avoided, and the safety is high.
Clean water enters the flushing pipe through the first interface tube and then is sprayed out from the first nozzle, and cleaning is achieved. The clean water can be clear water or alkali liquor, the clean water can be determined according to whether the oil stain (mineral oil) on the surface of the hot-rolled H-shaped steel exceeds the standard, if the oil stain exceeds the standard, the alkali liquor can be added into the front flushing pipe for cleaning, the effect is improved, and then the cleaning is carried out by using clear water. In the design, the cleaning quality and cost are comprehensively considered, the alkali liquor is added into the flushing pipe close to the front part, and the clean water is added into the flushing pipe at the rear part, so that the process flexibility is higher.
The selection of the alkali washing process mainly aims at the condition that mineral oil exceeds the standard, such as the condition that lubricating oil is attached to the surface of hot-rolled H-shaped steel of a rolling mill which is just assembled on a production line, and the lubricating oil can be washed by alkali and then rinsed by clear water, so that the cleaning is thorough. In addition, naOH solution is preferably adopted as the cleaning solution in the alkali washing process, and the concentration range of the cleaning solution is 2-5%.
The water spraying pressure of the low-pressure cleaning water and the wind pressure of the high-pressure wind can be set according to the requirement, and the water pressure of the low-pressure cleaning water is preferably 0.2MPa; the high pressure wind pressure is 0.8MPa.
Preferably, the high-pressure purge pipe is one of a circular ring pipe, a square pipe or an H-shaped pipe, and a plurality of second nozzles are arranged on the inner side surface of the high-pressure purge pipe. The high-pressure purging pipe is preferably an H-shaped pipe, and the purging effect is best because the distances between the high-pressure purging pipe and the surfaces of the hot-rolled H-shaped steel are different.
Preferably, the left side and the right side of the high-pressure purging pipe are provided with second mouthpiece pipes.
Preferably, the second nozzle purge direction is at an angle of 30-45 ° to the vertical, here preferably at an angle of 35 °.
Preferably, a cleaning cover is arranged above the hot-rolled H-shaped steel, and the high-pressure purging pipe and the flushing pipe are located at positions below the cleaning cover.
Preferably, the conveying component comprises a roller way support, a motor and a conveying roller, wherein a central shaft at one end of the conveying roller is arranged on a rotating shaft of the motor, and two ends of the central shaft are arranged on the roller way support through bearing seats.
Preferably, a circulating water trench is arranged below the conveying component. Circulating water is used in the rolling process and the hot rolling H-shaped steel dephosphorization process after rolling, and the salt content in water is increased due to water evaporation, so that the galvanizing effect is influenced. Clean water is added into the impurity and moisture removing device on the surface of the hot-rolled H-shaped steel, and the water falls into a circulating water trench after being cleaned and is communicated with the trench in the hot-rolled H-shaped steel dephosphorization procedure, so that not only can fresh water be supplemented to a circulating water system in the dephosphorization procedure, but also the surface of the hot-rolled H-shaped steel can be cleaned.
Has the beneficial effects that:
adopt the utility model discloses technical scheme produces beneficial effect as follows:
(1) The hot-rolled H-shaped steel continuous rolling and plating process needs clean surface without impurities adhered thereon, and the hot-rolled H-shaped steel with certain temperature (560-500 ℃) enters a hot galvanizing device, so the existence of the surface impurities can influence the galvanizing effect, the defects of plating leakage and zinc coating peeling occur, and the service life of a galvanized H-shaped steel product is influenced. The flushing pipe is matched with the high-pressure blowing pipe, firstly, clean water is added to the surface of the hot-rolled H-shaped steel through the first nozzle on the flushing pipe to clean the surface of the hot-rolled H-shaped steel, then, the clean water on the surface of the hot-rolled H-shaped steel is blown and stirred through high-pressure air blown out by the second nozzle of the high-pressure blowing pipe, and the effect that the surface of the steel is cleaned through clean water turbulence is achieved.
(2) The included angle between the water spraying direction of the spray nozzle and the vertical direction is 30-45 degrees, so that clean water on the surface of the hot-rolled H-shaped steel forms uniform turbulence, and the cleaning effect of surface impurities is improved; but also can blow off the moisture attached to the surface of the hot-rolled H-shaped steel, thereby achieving the purpose of removing the moisture.
(3) Circulating water is used in the rolling process and the hot rolling H-shaped steel dephosphorization process after rolling, and the salt content in water is increased due to water evaporation, so that the galvanizing effect is influenced. Clean water is added into the impurity and moisture removing device on the surface of the hot-rolled H-shaped steel, and the water falls into a circulating water trench after being cleaned and is communicated with the trench in the hot-rolled H-shaped steel dephosphorization procedure, so that not only can fresh water be supplemented to a circulating water system in the dephosphorization procedure, but also the surface of the hot-rolled H-shaped steel can be cleaned.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic side view of the impurity and moisture removing apparatus for hot-rolled H-section steel of the present invention;
FIG. 2 is a schematic top view of the apparatus for removing impurities and moisture from hot rolled H-section steel according to the present invention;
FIG. 3 is a schematic view of a preferred circular tube structure of the present invention;
FIG. 4 is a schematic view of a preferred square tube structure of the present invention;
FIG. 5 is a schematic view of a preferred H-shaped tube structure of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
According to the embodiment, the flushing pipe is matched with the high-pressure blowing pipe, firstly, clean water is added into the surface of the hot-rolled H-shaped steel through the first nozzle on the flushing pipe to clean the surface of the hot-rolled H-shaped steel, then, the clean water on the surface of the hot-rolled H-shaped steel is blown and stirred through high-pressure air blown out of the second nozzle of the high-pressure blowing pipe, and the effect that the surface of the steel is cleaned through clean water turbulence is achieved. The specific implementation mode is as follows:
as shown in fig. 1 and 2, the impurity moisture removing device for hot-rolled H-section steel comprises a conveying part 1 for conveying the hot-rolled H-section steel, a flushing pipe 2 for flushing the surface of the hot-rolled H-section steel 100, and a high-pressure purging pipe 3 for boosting cleaning, wherein the flushing pipe 2 and the high-pressure purging pipe 3 are sleeved on the hot-rolled H-section steel 100 along the length direction of the hot-rolled H-section steel 100, a first nozzle 21 is formed on the flushing pipe 2 close to the surface of the hot-rolled H-section steel 100, and a second nozzle 31 is formed on the high-pressure purging pipe 3 close to the surface of the hot-rolled H-section steel 100.
The flushing pipe is matched with the high-pressure blowing pipe, firstly, clean water is added to the surface of the hot-rolled H-shaped steel through a first nozzle on the flushing pipe to clean the surface of the hot-rolled H-shaped steel, then, the clean water on the surface of the hot-rolled H-shaped steel is blown and stirred through high-pressure air blown out by a second nozzle of the high-pressure blowing pipe, and the effect that the steel surface is cleaned through clean water turbulence is achieved.
In a preferred embodiment, the flushing pipe 2 is one of a circular ring pipe, a square pipe or an H-shaped pipe, and the inner surface thereof is provided with a plurality of first nozzles 21. The H-shaped pipe has the best effect, and the circular ring-shaped pipe and the square pipe can achieve the expected washing effect.
In a preferred embodiment, first mouthpiece pipes 25 are provided on both left and right sides of the flush pipe 2.
As shown in fig. 3 to 5, the structure of the flushing pipe is illustrated by using a circular pipe, a square pipe and an H-shaped pipe.
As shown in fig. 5, as a preferred embodiment, when the flushing pipe 2 is H-shaped, it includes side nozzles 22 disposed on both outer sides of the hot-rolled H-shaped steel, an upper nozzle 23 located at an upper and lower position of the hot-rolled H-shaped steel, and an inner nozzle 24 disposed at an upper and lower inner position of the hot-rolled H-shaped steel, and the side nozzles 22, the upper nozzle 23, and the inner nozzle 24 are connected in series to form an H-shaped closed loop and surround the surface of the hot-rolled H-shaped steel.
In a preferred embodiment, the hot-rolled H-section steel 100 is alternately sleeved with 2 to 4 sets of the flushing pipes 2 and the high-pressure purging pipes 3 in the length direction. Here, when the flushing pipes and the high-pressure purge pipes are provided, 1 flushing pipe and 1 high-pressure purge pipe may be set, or 2 flushing pipes and 1 high-pressure purge pipe may be set, and as shown in fig. 1 and 2, 1 flushing pipe and 1 high-pressure purge pipe may be set, and 2 sets are provided in total. The high-pressure purging pipe is arranged behind the flushing pipe, and the high-pressure purging pipe is arranged in front of the flushing pipe, so that clean water on the surface of the hot-rolled H-shaped steel forms turbulence mainly in cooperation with the high-pressure purging pipe, and a better cleaning effect is achieved.
Wherein, the last high-pressure wind sweeps, has ensured simultaneously that hot rolling H shaped steel is dry clean before getting into galvanizing rig, accords with the galvanizing requirement. And two high-pressure air blowing devices can be arranged, so that accidents are avoided, and the safety is high.
Clean water enters the flushing pipe through the first interface tube and then is sprayed out from the first nozzle, and cleaning is achieved. The clean water can be clean water or alkali liquor, the clean water can be determined according to whether oil stain (mineral oil) on the surface of the hot-rolled H-shaped steel exceeds the standard, if the oil stain exceeds the standard, the alkali liquor can be added into the front flushing pipe for cleaning, the effect is improved, and then the cleaning pipe is rinsed by clean water. During design, the cleaning quality and cost are comprehensively considered, the alkali liquor is added into the flushing pipe close to the front part, and the clear water is added into the flushing pipe at the rear part, so that the process flexibility is higher.
The selection of the alkali washing process mainly aims at the condition that mineral oil exceeds the standard, such as the condition that lubricating oil is attached to the surface of hot-rolled H-shaped steel of a rolling mill which is just assembled on a production line, and the lubricating oil can be washed by alkali and then rinsed by clear water, so that the cleaning is thorough. In addition, naOH solution is preferably adopted as the cleaning solution in the alkali washing process, and the concentration range of the cleaning solution is 2-5%.
The water spraying pressure of the low-pressure cleaning water and the wind pressure of the high-pressure wind can be set according to the requirement, and the water pressure of the low-pressure cleaning water is preferably 0.2MPa; the high pressure wind pressure is 0.8MPa.
In a preferred embodiment, the high-pressure purge pipe 3 is one of a circular ring pipe, a square pipe or an H-shaped pipe, and the inner surface thereof is provided with a plurality of second nozzles. The high-pressure purging pipe is preferably an H-shaped pipe, and the purging effect is best because the distances between the high-pressure purging pipe and the surfaces of the hot-rolled H-shaped steel are different. Wherein the structure of the circular ring-shaped pipe, the square pipe or the H-shaped pipe can be shown with reference to fig. 2 to 4.
In a preferred embodiment, the high-pressure purge pipe 3 is provided with second mouthpiece 32 on both left and right sides.
In a preferred embodiment, the purge direction of the second nozzle 31 is at an angle of 30-45 ° to the vertical, and preferably at an angle of 35 °.
In a preferred embodiment, a cleaning hood 4 is disposed above the hot-rolled H-section steel 100, and the high-pressure purge pipe 3 and the flushing pipe 2 are disposed below the cleaning hood 1.
As a preferred embodiment, the conveying component 1 comprises a roller way support 11, a motor 12 and a conveying roller 13, wherein a central shaft at one end of the conveying roller 13 is mounted on a rotating shaft of the motor 12, and two ends of the central shaft are mounted on the roller way support 11 through bearing blocks 14.
As a preferred embodiment, a circulating water trench (not shown in the figure) is arranged below the conveying component 1. Circulating water is used in the rolling process and the hot rolling H-shaped steel dephosphorization process after rolling, and the salt content in water is increased due to water evaporation, so that the galvanizing effect is influenced. Clean water is added into the device for removing the impurity and the moisture on the surface of the hot-rolled H-shaped steel, and the water falls into a circulating water trench after being cleaned and is communicated with the trench in the dephosphorization procedure of the hot-rolled H-shaped steel, so that not only can fresh water be supplemented to a circulating water system in the dephosphorization procedure, but also the surface of the hot-rolled H-shaped steel can be cleaned.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a hot rolling H shaped steel impurity moisture clearing device, its characterized in that, including the conveying part who is used for carrying hot rolling H shaped steel, be used for carrying out the flushing pipe that washes and be used for helping hand abluent high pressure to sweep the pipe to hot rolling H shaped steel surface, the flushing pipe with the high pressure sweeps the pipe edge hot rolling H shaped steel length direction cover is established on the hot rolling H shaped steel, be close to on the flushing pipe hot rolling H shaped steel surface one side is formed with first nozzle, be close to on the high pressure sweeps the pipe hot rolling H shaped steel surface one side is formed with the second nozzle.
2. The impurity moisture removing apparatus for hot rolled H-section steel according to claim 1, wherein the flushing pipe is one of a circular ring pipe, a square pipe or an H-shaped pipe, and the inner surface thereof is provided with the first nozzles.
3. The impurity moisture removing device for hot rolled H-shaped steel according to claim 2, wherein the flushing pipe is provided with first mouthpiece pipes on the left and right sides.
4. The impurity and moisture removing device for hot-rolled H-shaped steel according to claim 1, wherein the high-pressure purging pipe is one of a circular ring pipe, a square pipe or an H-shaped pipe, and a plurality of second nozzles are arranged on the inner side surface of the high-pressure purging pipe.
5. The impurity and moisture removing device for the hot-rolled H-shaped steel according to claim 4, wherein second connector pipes are arranged on the left side and the right side of the high-pressure purging pipe.
6. The impurity moisture removing apparatus for hot rolled H-shaped steel according to claim 4, wherein the angle between the blowing direction of the second nozzle and the vertical direction is 30-45 °.
7. The impurity moisture removing device for hot-rolled H-shaped steel according to claim 1, wherein 2-4 groups of flushing pipes and high-pressure purging pipes are alternately sleeved in the length direction of the hot-rolled H-shaped steel.
8. The impurity and moisture removing device for the hot-rolled H-shaped steel according to claim 1, wherein a cleaning cover is arranged above the hot-rolled H-shaped steel, and the high-pressure purging pipe and the flushing pipe are positioned below the cleaning cover.
9. The impurity and moisture removing device for the hot-rolled H-shaped steel according to claim 1, wherein the conveying component comprises a roller way support, a motor and a conveying roller, a central shaft at one end of the conveying roller is mounted on a rotating shaft of the motor, and two ends of the central shaft are mounted on the roller way support through bearing seats.
10. The impurity and moisture removing apparatus for hot rolled H-section steel according to claim 1, wherein a circulating water trench is provided below the conveying member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221455545.8U CN218574390U (en) | 2022-06-10 | 2022-06-10 | Impurity moisture clearing device for hot-rolled H-shaped steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221455545.8U CN218574390U (en) | 2022-06-10 | 2022-06-10 | Impurity moisture clearing device for hot-rolled H-shaped steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218574390U true CN218574390U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221455545.8U Active CN218574390U (en) | 2022-06-10 | 2022-06-10 | Impurity moisture clearing device for hot-rolled H-shaped steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218574390U (en) |
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2022
- 2022-06-10 CN CN202221455545.8U patent/CN218574390U/en active Active
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