CN221701612U - Hot rolling H shaped steel galvanization device - Google Patents
Hot rolling H shaped steel galvanization device Download PDFInfo
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- CN221701612U CN221701612U CN202323592081.2U CN202323592081U CN221701612U CN 221701612 U CN221701612 U CN 221701612U CN 202323592081 U CN202323592081 U CN 202323592081U CN 221701612 U CN221701612 U CN 221701612U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 238000005098 hot rolling Methods 0.000 title 1
- 238000001816 cooling Methods 0.000 claims abstract description 45
- 238000005246 galvanizing Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 2
- 238000007747 plating Methods 0.000 claims 2
- 239000011701 zinc Substances 0.000 claims 2
- 229910052725 zinc Inorganic materials 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002826 coolant Substances 0.000 description 8
- 239000000725 suspension Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 101100012902 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIG2 gene Proteins 0.000 description 1
- 101100233916 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) KAR5 gene Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
本实用新型涉及钢构件镀锌技术领域，具体为一种热轧H型钢镀锌装置，包括镀锌池、移动装置和风冷组件，所述镀锌池的侧部连接于所述移动装置的下端，所述移动装置的侧部连接于所述风冷组件的侧部；其中，所述风冷组件包括：风机，所述风机的出风端连通于总管的一端，所述总管的一端连通于分管的侧部，所述分管的两侧均匀布设有若干组喷嘴，所述喷嘴的端部连通于所述分管的侧部，所述总管的外部插接于冷却罐的内部，所述冷却罐的一端与循环泵的进液端相连通，所述冷却罐的另一端与所述循环泵的出液端相连通；通过上述组件的使用，加快了H型钢的降温速度，缩短了镀锌后H型钢的冷却时间，提升了生产效率。
The utility model relates to the technical field of galvanizing of steel components, and specifically to a hot-rolled H-shaped steel galvanizing device, comprising a galvanizing pool, a moving device and an air cooling component, wherein the side of the galvanizing pool is connected to the lower end of the moving device, and the side of the moving device is connected to the side of the air cooling component; wherein the air cooling component comprises: a fan, wherein the air outlet end of the fan is connected to one end of a main pipe, and one end of the main pipe is connected to the side of a branch pipe, and a plurality of groups of nozzles are evenly arranged on both sides of the branch pipe, and the ends of the nozzles are connected to the sides of the branch pipes, and the outside of the main pipe is plugged into the inside of a cooling tank, and one end of the cooling tank is connected to the liquid inlet end of a circulating pump, and the other end of the cooling tank is connected to the liquid outlet end of the circulating pump; through the use of the above components, the temperature reduction speed of the H-shaped steel is accelerated, the cooling time of the H-shaped steel after galvanizing is shortened, and the production efficiency is improved.
Description
技术领域Technical Field
本实用新型涉及钢构件镀锌技术领域，具体为一种热轧H型钢镀锌装置。The utility model relates to the technical field of galvanizing of steel components, in particular to a hot-rolled H-shaped steel galvanizing device.
背景技术Background Art
热轧H型钢热镀锌工艺是热轧H型钢厂下游的镀锌加工厂购买切成段的热轧H型钢成品，经加热及清除表面杂质后，在镀锌池内镀锌，完成镀锌H型钢产品的生产；为了缩短时间，节约能源，避免二次加热，多数H型钢生产厂家在热轧H型钢终轧后850℃高温时，直接对热轧H型钢进行后续的镀锌工艺处理，不需要再耗能加热，避免了能源的浪费。The hot-dip galvanizing process for hot-rolled H-beam is that the galvanizing processing plant downstream of the hot-rolled H-beam plant purchases the hot-rolled H-beam finished products cut into segments, and after heating and removing surface impurities, galvanizes them in the galvanizing pool to complete the production of galvanized H-beam products; in order to shorten the time, save energy and avoid secondary heating, most H-beam manufacturers directly carry out subsequent galvanizing process on the hot-rolled H-beam at a high temperature of 850℃ after the hot-rolled H-beam is finally rolled, without the need for energy-consuming heating, thus avoiding energy waste.
镀锌后的H型钢表面镀锌层进行冷却，而目前还没有针对连续热镀H型钢表面热镀锌层冷却的热轧H型钢镀锌装置，这使得镀锌后的H型钢冷却时间较长，影响整体生产效率。The galvanized layer on the surface of the H-beam after galvanizing is cooled, but there is currently no hot-rolled H-beam galvanizing device for cooling the hot-dip galvanized layer on the surface of the continuous hot-dip H-beam, which makes the cooling time of the galvanized H-beam longer, affecting the overall production efficiency.
实用新型内容Utility Model Content
本实用新型的目的在于提供一种热轧H型钢镀锌装置，加快了镀锌后的H型钢的冷却速度，以解决上述背景技术中提出的问题。The utility model aims to provide a hot-rolled H-beam galvanizing device, which accelerates the cooling speed of the H-beam after galvanizing to solve the problems raised in the above-mentioned background technology.
为实现上述目的，本实用新型提供如下技术方案：一种热轧H型钢镀锌装置，包括镀锌池、移动装置和风冷组件，所述镀锌池的侧部连接于所述移动装置的下端，所述移动装置的侧部连接于所述风冷组件的侧部；To achieve the above object, the utility model provides the following technical solution: a hot-rolled H-beam galvanizing device, comprising a galvanizing pool, a moving device and an air cooling component, wherein the side of the galvanizing pool is connected to the lower end of the moving device, and the side of the moving device is connected to the side of the air cooling component;
其中，所述风冷组件包括：风机，所述风机的出风端连通于总管的一端，所述总管的一端连通于分管的侧部，所述分管的两侧均匀布设有若干组喷嘴，所述喷嘴的端部连通于所述分管的侧部，所述总管的外部插接于冷却罐的内部，所述冷却罐的一端与循环泵的进液端相连通，所述冷却罐的另一端与所述循环泵的出液端相连通。Wherein, the air cooling component includes: a fan, the air outlet end of the fan is connected to one end of the main pipe, one end of the main pipe is connected to the side of the branch pipe, a plurality of groups of nozzles are evenly arranged on both sides of the branch pipe, the end of the nozzle is connected to the side of the branch pipe, the outside of the main pipe is plugged into the inside of the cooling tank, one end of the cooling tank is connected to the liquid inlet end of the circulating pump, and the other end of the cooling tank is connected to the liquid outlet end of the circulating pump.
优选的，所述喷嘴的外部设有固定板，所述固定板的内部套接插接于所述喷嘴的外部。Preferably, a fixing plate is provided on the outside of the nozzle, and the inside of the fixing plate is sleeved and plugged into the outside of the nozzle.
优选的，所述移动装置包括：横向移动组件和竖向移动组件，所述横向移动组件的下端连接于所述镀锌池的侧部，所述横向移动组件的上端连接于所述竖向移动组件的上端。Preferably, the moving device comprises: a lateral moving component and a vertical moving component, the lower end of the lateral moving component is connected to the side of the galvanizing pool, and the upper end of the lateral moving component is connected to the upper end of the vertical moving component.
优选的，所述横向移动组件包括：架体，所述架体的两侧固定连接于所述镀锌池的两侧，所述架体的外部固定连接于所述固定板的侧部，所述架体的上端固定连接于电机的外部，所述电机的输出端通过联轴器连接于螺杆的一端，所述螺杆的另一端转动连接于所述架体的侧部，所述螺杆的外部插接于旋转座的内部。Preferably, the lateral movement assembly includes: a frame, both sides of the frame are fixedly connected to both sides of the galvanizing pool, the outside of the frame is fixedly connected to the side of the fixed plate, the upper end of the frame is fixedly connected to the outside of the motor, the output end of the motor is connected to one end of the screw through a coupling, the other end of the screw is rotatably connected to the side of the frame, and the outside of the screw is inserted into the inside of the rotating seat.
优选的，所述旋转座的内部位于螺杆上方的位置设有导向杆二，所述导向杆二的外部滑动插接于所述旋转座的内部，所述导向杆二的两端固定连接于所述架体侧部的上端。Preferably, a second guide rod is provided inside the rotating seat at a position above the screw rod, the outside of the second guide rod is slidably inserted into the inside of the rotating seat, and both ends of the second guide rod are fixedly connected to the upper end of the side of the frame.
优选的，所述竖向移动组件包括：电动伸缩杆，所述电动伸缩杆的一端固定连接于所述旋转座的底部，所述电动伸缩杆的另一端固定连接于连接板的顶部，所述连接板的顶部固定连接于导向杆一的底部，所述导向杆一位于所述电动伸缩杆的两侧，所述导向杆一的外部滑动插接于导向筒的内部，所述导向筒的侧部固定连接于所述旋转座的侧部。Preferably, the vertical moving assembly includes: an electric telescopic rod, one end of the electric telescopic rod is fixedly connected to the bottom of the rotating seat, the other end of the electric telescopic rod is fixedly connected to the top of the connecting plate, the top of the connecting plate is fixedly connected to the bottom of the guide rod 1, the guide rod 1 is located on both sides of the electric telescopic rod, the outside of the guide rod 1 is slidably inserted into the inside of the guide cylinder, and the side of the guide cylinder is fixedly connected to the side of the rotating seat.
优选的，所述导向杆一的顶部设有限位块，所述限位块的底部固定连接于所述导向杆一的顶部。Preferably, a limit block is provided on the top of the guide rod 1, and the bottom of the limit block is fixedly connected to the top of the guide rod 1.
优选的，所述连接板的底部设有悬挂架，所述悬挂架的顶部固定连接于所述连接板的底部。Preferably, a hanging bracket is provided at the bottom of the connecting plate, and the top of the hanging bracket is fixedly connected to the bottom of the connecting plate.
与现有技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:
本实用新型在镀锌装置的侧部设置了风冷组件，通过风冷组件对镀锌后的H型钢进行吹风冷却，在通过冷却液对风管进行降温，使得吹出风的温度更低；通过上述组件的使用，加快了H型钢的降温速度，缩短了镀锌后H型钢的冷却时间，提升了生产效率。The utility model provides an air cooling component on the side of the galvanizing device, through which the H-shaped steel after galvanizing is cooled by blowing air, and then the air duct is cooled by the coolant, so that the temperature of the blown air is lower; through the use of the above components, the cooling speed of the H-shaped steel is accelerated, the cooling time of the H-shaped steel after galvanizing is shortened, and the production efficiency is improved.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本实用新型的整体结构示意图；Figure 1 is a schematic diagram of the overall structure of the utility model;
图2为本实用新型的风冷组件结构示意图；FIG2 is a schematic diagram of the structure of the air cooling assembly of the utility model;
图3为本实用新型的冷却罐及循环泵结构示意图；FIG3 is a schematic diagram of the cooling tank and circulating pump structure of the utility model;
图4为本实用新型的移动装置结构示意图。FIG. 4 is a schematic diagram of the structure of the mobile device of the present utility model.
图中：1、镀锌池；2、竖向移动组件；3、横向移动组件；4、风冷组件；5、固定板；6、喷嘴；7、总管；8、风机；9、分管；10、冷却罐；11、循环泵；12、架体；13、电机；14、限位块；15、导向杆一；16、导向筒；17、电动伸缩杆；18、连接板；19、导向杆二；20、旋转座；21、螺杆；22、悬挂架。In the figure: 1. galvanizing pool; 2. vertical moving assembly; 3. horizontal moving assembly; 4. air cooling assembly; 5. fixing plate; 6. nozzle; 7. main pipe; 8. fan; 9. branch pipe; 10. cooling tank; 11. circulating pump; 12. frame; 13. motor; 14. limit block; 15. guide rod 1; 16. guide cylinder; 17. electric telescopic rod; 18. connecting plate; 19. guide rod 2; 20. rotating seat; 21. screw; 22. suspension frame.
具体实施方式DETAILED DESCRIPTION
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
请参阅图1-4，本实用新型提供一种技术方案：一种热轧H型钢镀锌装置，包括：镀锌池1、移动装置和风冷组件4，镀锌池1的侧部连接于移动装置的下端，移动装置的侧部连接于风冷组件4的侧部。Please refer to Figures 1-4. The utility model provides a technical solution: a hot-rolled H-beam galvanizing device, comprising: a galvanizing pool 1, a moving device and an air cooling component 4, the side of the galvanizing pool 1 is connected to the lower end of the moving device, and the side of the moving device is connected to the side of the air cooling component 4.
风冷组件4包括：风机8，风机8的出风端连通于总管7的一端，总管7的一端连通于分管9的侧部，分管9的两侧均匀布设有若干组喷嘴6，喷嘴6的端部连通于分管9的侧部，总管7的外部插接于冷却罐10的内部，冷却罐10的一端与循环泵11的进液端相连通，冷却罐10的另一端与循环泵11的出液端相连通。The air cooling component 4 includes: a fan 8, an air outlet end of the fan 8 is connected to one end of the main pipe 7, one end of the main pipe 7 is connected to the side of the branch pipe 9, a plurality of groups of nozzles 6 are evenly arranged on both sides of the branch pipe 9, the end of the nozzle 6 is connected to the side of the branch pipe 9, the outside of the main pipe 7 is plugged into the inside of the cooling tank 10, one end of the cooling tank 10 is connected to the liquid inlet end of the circulating pump 11, and the other end of the cooling tank 10 is connected to the liquid outlet end of the circulating pump 11.
进一步的，喷嘴6的外部设有固定板5，固定板5的内部套接插接于喷嘴6的外部。Furthermore, a fixing plate 5 is provided outside the nozzle 6 , and the inside of the fixing plate 5 is sleeved and plugged into the outside of the nozzle 6 .
进一步的，风机8将风通过总管7吹至分管9，然后通过喷嘴6将风均匀的吹在H型钢表面，以此加快H型钢的降温速度，总管7的外部从冷却罐10的内部穿过，使得冷却罐10内部的冷却液对总管7进行降温冷却，进而使得经过总管7的气流得以降温，降温后的气流吹至H型钢表面，进一步加快了H型钢的降温速度；多组喷嘴6使得吹出的风更均匀；循环泵11使得冷却罐10内的冷却液循环流动，使得冷却罐10内各个部位冷却液都能得到利用，吸热更加均匀；当冷却液温度较高时可更换冷却液，排出的冷却液可冷藏然后继续循环使用。Furthermore, the fan 8 blows the wind through the main pipe 7 to the branch pipe 9, and then blows the wind evenly onto the surface of the H-shaped steel through the nozzle 6, so as to accelerate the cooling speed of the H-shaped steel. The outside of the main pipe 7 passes through the inside of the cooling tank 10, so that the coolant inside the cooling tank 10 cools the main pipe 7, and then the airflow passing through the main pipe 7 is cooled, and the cooled airflow is blown to the surface of the H-shaped steel, further accelerating the cooling speed of the H-shaped steel; multiple groups of nozzles 6 make the blown wind more uniform; the circulating pump 11 circulates the coolant in the cooling tank 10, so that the coolant in each part of the cooling tank 10 can be utilized and the heat absorption is more uniform; when the temperature of the coolant is high, the coolant can be replaced, and the discharged coolant can be refrigerated and then continued to be recycled.
移动装置包括：横向移动组件3和竖向移动组件2，横向移动组件3的下端连接于镀锌池1的侧部，横向移动组件3的上端连接于竖向移动组件2的上端。The moving device comprises: a lateral moving component 3 and a vertical moving component 2, wherein the lower end of the lateral moving component 3 is connected to the side of the galvanizing pool 1, and the upper end of the lateral moving component 3 is connected to the upper end of the vertical moving component 2.
横向移动组件3包括：架体12，架体12的两侧固定连接于镀锌池1的两侧，架体12的外部固定连接于固定板5的侧部，架体12的上端固定连接于电机13的外部，电机13的输出端通过联轴器连接于螺杆21的一端，螺杆21的另一端转动连接于架体12的侧部，螺杆21的外部插接于旋转座20的内部。The lateral movement assembly 3 includes: a frame 12, both sides of the frame 12 are fixedly connected to both sides of the galvanizing pool 1, the outside of the frame 12 is fixedly connected to the side of the fixed plate 5, the upper end of the frame 12 is fixedly connected to the outside of the motor 13, the output end of the motor 13 is connected to one end of the screw 21 through a coupling, the other end of the screw 21 is rotatably connected to the side of the frame 12, and the outside of the screw 21 is inserted into the inside of the rotating seat 20.
进一步的，旋转座20的内部位于螺杆21上方的位置设有导向杆二19，导向杆二19的外部滑动插接于旋转座20的内部，导向杆二19的两端固定连接于架体12侧部的上端；导向杆二19用于防止旋转座20跟着螺杆21发生转动。Furthermore, a guide rod 19 is provided inside the rotating seat 20 at a position above the screw 21. The outside of the guide rod 19 is slidably inserted into the inside of the rotating seat 20, and both ends of the guide rod 19 are fixedly connected to the upper end of the side of the frame 12; the guide rod 19 is used to prevent the rotating seat 20 from rotating with the screw 21.
进一步的，通过电机13电动螺杆21转动，螺杆21带动旋转座20水平移动，旋转座20带动导向杆一15水平移动，导向杆一15带动连接板18水平移动，进而带动悬挂架22移动，以便于H型钢的上料和下料。Furthermore, by rotating the electric screw 21 of the motor 13, the screw 21 drives the rotating seat 20 to move horizontally, the rotating seat 20 drives the guide rod 15 to move horizontally, the guide rod 15 drives the connecting plate 18 to move horizontally, and then drives the suspension frame 22 to move, so as to facilitate the loading and unloading of the H-shaped steel.
竖向移动组件2包括：电动伸缩杆17，电动伸缩杆17的一端固定连接于旋转座20的底部，电动伸缩杆17的另一端固定连接于连接板18的顶部，连接板18的顶部固定连接于导向杆一15的底部，导向杆一15位于电动伸缩杆17的两侧，导向杆一15的外部滑动插接于导向筒16的内部，导向筒16的侧部固定连接于旋转座20的侧部。The vertical moving assembly 2 includes: an electric telescopic rod 17, one end of the electric telescopic rod 17 is fixedly connected to the bottom of the rotating seat 20, the other end of the electric telescopic rod 17 is fixedly connected to the top of the connecting plate 18, the top of the connecting plate 18 is fixedly connected to the bottom of the guide rod 15, the guide rod 15 is located on both sides of the electric telescopic rod 17, the outside of the guide rod 15 is slidably inserted into the inside of the guide cylinder 16, and the side of the guide cylinder 16 is fixedly connected to the side of the rotating seat 20.
进一步的，导向杆一15的顶部设有限位块14，限位块14的底部固定连接于导向杆一15的顶部；限位块14用于防止导向杆一15脱离导向筒16。Furthermore, a limit block 14 is provided at the top of the guide rod 15 , and the bottom of the limit block 14 is fixedly connected to the top of the guide rod 15 ; the limit block 14 is used to prevent the guide rod 15 from detaching from the guide tube 16 .
进一步的，连接板18的底部设有悬挂架22，悬挂架22的顶部固定连接于连接板18的底部；悬挂架22用于防止H型钢。Furthermore, a hanging bracket 22 is provided at the bottom of the connecting plate 18, and the top of the hanging bracket 22 is fixedly connected to the bottom of the connecting plate 18; the hanging bracket 22 is used to prevent the H-shaped steel.
进一步的，H型钢两端放置在悬挂架22上，通过电动伸缩杆17带动连接板18向下移动，连接板18带动悬挂架22向下移动，悬挂架22带动H型钢向下移动，直至H型钢没入镀锌池1内，以此实现H型钢的镀锌。Furthermore, both ends of the H-shaped steel are placed on the suspension frame 22, and the connecting plate 18 is driven downward by the electric telescopic rod 17, the connecting plate 18 drives the suspension frame 22 to move downward, and the suspension frame 22 drives the H-shaped steel to move downward until the H-shaped steel is immersed in the galvanizing pool 1, thereby realizing the galvanizing of the H-shaped steel.
工作原理：将H型钢两端放置在悬挂架22上，然后电动伸缩杆17带动连接板18向下移动，连接板18带动悬挂架22向下移动，进而带动H型钢向下移动，直至H型钢没入镀锌池1内；在镀锌完成后，在电动伸缩杆17的带动下，H型钢向上移动，直至与喷嘴6在同一水平面，这时风机8启动，风机8将风通过总管7吹至分管9，然后通过喷嘴6将风均匀的吹在H型钢表面，以此加快H型钢的降温速度；总管7的外部从冷却罐10的内部穿过，使得冷却罐10内部的冷却液对总管7进行降温冷却，进而使得经过总管7的气流得以降温，降温后的气流吹至H型钢表面，进一步加快了H型钢的降温速度。Working principle: Place both ends of the H-shaped steel on the suspension frame 22, then the electric telescopic rod 17 drives the connecting plate 18 to move downward, the connecting plate 18 drives the suspension frame 22 to move downward, and then drives the H-shaped steel to move downward until the H-shaped steel is immersed in the galvanizing pool 1; after the galvanizing is completed, driven by the electric telescopic rod 17, the H-shaped steel moves upward until it is at the same level as the nozzle 6, then the fan 8 is started, and the fan 8 blows the wind through the main pipe 7 to the branch pipe 9, and then blows the wind evenly on the surface of the H-shaped steel through the nozzle 6, so as to accelerate the cooling speed of the H-shaped steel; the outside of the main pipe 7 passes through the inside of the cooling tank 10, so that the coolant inside the cooling tank 10 cools the main pipe 7, and then the airflow passing through the main pipe 7 is cooled, and the cooled airflow is blown to the surface of the H-shaped steel, further accelerating the cooling speed of the H-shaped steel.
尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
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