Energy-saving and consumption-reducing assembly for continuous hot galvanizing annealing section

Abstract

The invention discloses an energy-saving and consumption-reducing assembly for a continuous hot galvanizing annealing section, and relates to the technical field of steel plate galvanizing. According to the energy-saving and consumption-reducing assembly for the continuous hot galvanizing annealing section, through the arrangement of the partition plate frame and the inner sliding frame, strip steel enters the annealing furnace body from the feeding opening during conveying and then makes contact with the corresponding preheating pieces, at the moment, the strip steel can drive the corresponding preheating pieces to rotate along the rotating shafts, and the sealing effect of equipment is further guaranteed; in the conveying process, heat conduction oil circularly flows through the heating pipeline, heat can be transferred to the multiple preheating pieces, preheating treatment on the strip steel is achieved, the subsequent heating effect and the galvanizing effect are further improved, and meanwhile the effects of saving energy and reducing consumption are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of steel plate galvanizing, and specifically to a component for energy conservation and consumption reduction in the continuous hot-dip galvanizing annealing section. Background Art

[0002] Galvanizing refers to a surface treatment technology in which a layer of zinc is plated on the surface of metals, alloys or other materials for purposes such as aesthetics and rust prevention; referring to a Chinese patent with the publication number "CN102220588A" titled "A Method for Producing Hot-Dip Galvanized Color Coated Steel Sheets by Continuous Annealing", this patent states that the steel plate is directly galvanized after solvent drying, and the galvanizing effect cannot be guaranteed, and the subsequent processing performance of the steel plate is not high, unable to meet people's higher requirements; however, this equipment still has problems such as the lack of preheating affecting the annealing quality of the strip steel and high energy consumption. To solve the above problems, we propose a component for energy conservation and consumption reduction in the continuous hot-dip galvanizing annealing section. Summary of the Invention

[0003] In view of the deficiencies of the prior art, the present invention provides a component for energy conservation and consumption reduction in the continuous hot-dip galvanizing annealing section, solving the problems raised in the above background art.

[0004] To achieve the above objectives, the present invention is realized through the following technical solutions: A component for energy conservation and consumption reduction in the continuous hot-dip galvanizing annealing section, including an annealing furnace body. Inside the annealing furnace body, a plurality of partition frame racks are installed, and the cleaning area, heating area, soaking area, and cooling area are separated by the partition frame racks;

[0005] An exhaust pipe is installed at the top of the heating area. Inside the exhaust pipe, an annular heat conduction frame is fixedly installed, and the annular heat conduction frame is used to conduct the remaining heat in the gas;

[0006] The partition frame rack is rotatably installed inside the annealing furnace body, and an inner sliding frame is slidably connected inside the partition frame rack. A support spring is fixedly installed between the inner sliding frame and the inside of the partition frame rack, and a heating pipe is fixedly installed inside the inner sliding frame. An inlet pipe and a drain pipe are respectively fixedly installed on both sides of the annular heat conduction frame. The two ends of the heating pipe are respectively connected with connecting pipes, and the connecting pipes are respectively communicated with the inlet pipe and the drain pipe. A negative pressure device is provided between the inlet pipe and the corresponding connecting pipe to drive the flow of the heat conduction oil inside the annular heat conduction frame;

[0007] The end of the inner sliding frame is fixedly connected with a rotating shaft, and a plurality of preheating sheets are rotatably sleeved on the outside of the rotating shaft. Spring bodies are provided inside the preheating sheets, and the preheating sheets are used to fit the surface of the conveyed workpiece to achieve preheating treatment of the workpiece.

[0008] Preferably, when the strip steel is being conveyed, as the strip steel enters the interior of the annealing furnace body from the feed inlet and then contacts the corresponding preheating plates respectively, at this time, the strip steel can drive the corresponding preheating plates to rotate along the rotating shafts, further ensuring the sealing effect of the equipment. During the conveying process, as the heat-conducting oil circulates through the heating pipes, it can transfer heat to multiple preheating plates, realizing the preheating treatment of the strip steel, further enhancing the subsequent heating effect and galvanizing effect, and simultaneously achieving the effect of energy conservation and consumption reduction.

[0009] Preferably, feed inlets and discharge outlets are respectively arranged at both ends of the annealing furnace body for conveying the workpieces to be galvanized, and a control panel is fixedly installed on the outer side of the annealing furnace body.

[0010] Preferably, multiple heating modules are fixedly installed inside the heating zone, multiple soaking modules are fixedly installed inside the soaking zone, and multiple cooling modules are fixedly installed inside the cooling zone.

[0011] Preferably, adjacent preheating plates are mutually attached, and multiple partition plate frames and inner sliding frames are all inclinedly installed.

[0012] Preferably, a corrugated pipe is connected inside the connecting pipe, and an oil injection hole is connected to the outer side of the liquid inlet pipe for injecting heat-conducting oil into the annular heat-conducting frame.

[0013] Preferably, a cleaning assembly is arranged inside the cleaning zone for cleaning the conveyed workpieces.

[0014] Preferably, the cleaning assembly includes cleaning plate frames. There are two cleaning plate frames, and both are rotatably connected inside the annealing furnace body. End parts of the cleaning plate frames are fixedly connected with liquid guide rollers, and an outer sleeve roller is rotatably sleeved on the outer side of the liquid guide rollers. Multiple liquid discharge slots are symmetrically arranged inside the liquid guide rollers for coating pickling solution on the surface of the conveyed workpieces.

[0015] Preferably, limiting frames are fixedly installed between both ends of the liquid guide rollers and the corresponding cleaning plate frames. An adapter pipe is connected to the outer side of the liquid guide rollers. A liquid storage tank is fixedly installed on the top of the annealing furnace body, and the adapter pipe is communicated with the liquid storage tank through a conduit.

[0016] Preferably, a limiting shaft is fixedly installed at the end part of the liquid guide roller. The limiting shaft is rotatably connected to the annealing furnace body and a return spring is sleeved on the outer side.

[0017] Preferably, multiple connecting rods are installed at the end parts of the cleaning plate frames, and cleaning scrapers are installed through the connecting rods.

[0018] The present invention provides a component for energy conservation and consumption reduction in the continuous hot-dip galvanizing annealing section. Compared with the prior art, it has the following beneficial effects:

[0019] (1)The energy-saving and consumption-reducing component of the continuous hot-dip galvanizing annealing section, through the settings of the partition plate frame and the inner sliding frame, as the strip steel enters the interior of the annealing furnace body from the feed port during transportation and then contacts the corresponding preheating plates respectively, at this time the strip steel can drive the corresponding preheating plates to rotate along the rotating shaft, further ensuring the sealing effect of the equipment. During the transportation process, as the heat-conducting oil circulates through the heating pipeline, it can transfer heat to multiple preheating plates, realizing the preheating treatment of the strip steel, further improving the subsequent heating effect and galvanizing effect, and at the same time achieving the effect of energy saving and consumption reduction.

[0020] (2)The energy-saving and consumption-reducing component of the continuous hot-dip galvanizing annealing section, through the setting of the cleaning component, when the strip steel passes between two outer sleeve rollers, the pickling solution can be coated on the outer surface of the strip steel by the rotation of the outer sleeve rollers to wash away impurities such as oil stains and iron oxides on the surface of the strip steel. Then, the corresponding cleaning scraper completes the scraping treatment of the impurities, further improving the subsequent galvanizing effect and ensuring the operation convenience of the equipment. Description of the Drawings

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic cross-sectional view of the annealing furnace body of the present invention;

[0023] Figure 3 For the present invention Figure 2 Front view structure schematic diagram;

[0024] Figure 4 It is a schematic diagram of the cleaning plate frame structure of the present invention;

[0025] Figure 5 For the present invention Figure 4 Enlarged structure schematic diagram at A in the present invention;

[0026] Figure 6 It is a schematic cross-sectional view of the exhaust pipe of the present invention;

[0027] Figure 7 It is a schematic cross-sectional view of the partition plate frame of the present invention;

[0028] Figure 8 For the present invention Figure 7 Enlarged structure schematic diagram at B in the present invention.

[0029] In the figure: 1. Annealing furnace body; 101. Control panel; 2. Feed inlet; 3. Discharge outlet; 4. Baffle plate rack; 401. Inner sliding rack; 402. Heating pipeline; 4021. Connecting pipe; 4022. Bellows; 403. Support spring; 404. Preheating sheet; 4041. Rotating shaft; 4042. Spring body; 5. Cleaning area; 6. Heating area; 7. Soaking area; 8. Cooling area; 9. Heating module; 10. Soaking module; 11. Cooling module; 12. Exhaust pipeline; 13. Cleaning plate rack; 1301. Limit shaft; 1302. Return spring; 1303. Liquid guide roller; 1304. Limit frame; 1305. Liquid discharge trough opening; 1306. Outer sleeve roller; 1307. Connecting pipe; 1308. Cleaning scraper; 1309. Connecting rod; 14. Liquid storage tank; 15. Negative pressure device; 16. Annular heat conducting rack; 1601. Liquid inlet pipe; 1602. Liquid discharge pipe. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] Please refer to Figures 1-8 , the present invention provides two technical solutions, specifically including the following embodiments:

[0032] Embodiment 1:

[0033] In the embodiment of the present invention, a component for energy saving and consumption reduction in a continuous hot-dip galvanizing annealing section includes an annealing furnace body 1. A plurality of baffle plate racks 4 are installed inside the annealing furnace body 1, and a cleaning area 5, a heating area 6, a soaking area 7, and a cooling area 8 are separated by the baffle plate racks 4;

[0034] In the embodiment of the present invention, before the workpiece is galvanized, annealing treatment needs to be carried out. First, it sequentially passes through the cleaning area 5, the heating area 6, the soaking area 7, and the cooling area 8 to complete the processes of cleaning, heating, soaking, and cooling, and then galvanizing treatment is carried out;

[0035] In the embodiment of the present invention, an exhaust pipeline 12 is installed at the top of the heating area 6, and an annular heat conducting rack 16 is fixedly installed inside the exhaust pipeline 12. The annular heat conducting rack 16 is used to conduct the remaining heat in the gas;

[0036] In the embodiment of the present invention, through the setting of the exhaust pipeline 12, the gas is used to be discharged. And through the contact of the high-temperature gas with the annular heat conducting rack 16, the heat conduction can be completed through the heat conducting oil inside the annular heat conducting rack 16;

[0037] In an embodiment of the present invention, the partition plate frame 4 is rotatably installed inside the annealing furnace body 1, and an inner sliding frame 401 is slidably connected inside the partition plate frame 4. A support spring 403 is fixedly installed between the inner sliding frame 401 and the inside of the partition plate frame 4, and a heating pipe 402 is fixedly installed inside the inner sliding frame 401. Liquid inlet pipes 1601 and liquid discharge pipes 1602 are respectively fixedly installed on both sides of the annular heat conduction frame 16. Both ends of the heating pipe 402 are respectively connected with connecting pipes 4021, and the connecting pipes 4021 are respectively communicated with the liquid inlet pipe 1601 and the liquid discharge pipe 1602. A negative pressure device 15 is provided between the liquid inlet pipe 1601 and the corresponding connecting pipe 4021 for driving the heat-conducting oil inside the annular heat conduction frame 16 to flow;

[0038] In an embodiment of the present invention, a rotating shaft 4041 is fixedly connected to the end of the inner sliding frame 401, and a plurality of preheating sheets 404 are rotatably sleeved on the outer side of the rotating shaft 4041. Spring bodies 4042 are arranged inside the preheating sheets 404, and the preheating sheets 404 are used for fitting with the surface of the conveyed workpiece to realize the preheating treatment of the workpiece;

[0039] In an embodiment of the present invention, when the strip steel is being conveyed, as the strip steel enters the annealing furnace body 1 from the feed inlet 2, and then contacts the corresponding preheating sheets 404 respectively. At this time, the strip steel can drive the corresponding preheating sheets 404 to rotate along the rotating shaft 4041, further ensuring the sealing effect of the equipment. During the conveying process, as the heat-conducting oil circulates through the heating pipe 402, heat can be transferred to the plurality of preheating sheets 404 to realize the preheating treatment of the strip steel, further improving the subsequent heating effect and galvanizing effect, and at the same time achieving the effect of energy conservation and consumption reduction;

[0040] In an embodiment of the present invention, further, the plurality of partition plate frames 4 and the inner sliding frames 401 are all inclinedly installed. When the strip steel passes between the two inner sliding frames 401, it can drive the inner sliding frame 401 to slide into the corresponding partition plate frame 4, squeezing the corresponding support spring 403, so that the equipment can be suitable for the conveying of strip steel with different thicknesses and improve the applicable range of the equipment;

[0041] In an embodiment of the present invention, a feed inlet 2 and a discharge outlet 3 are respectively opened at both ends of the annealing furnace body 1 for conveying the workpiece to be galvanized. A control panel 101 is fixedly installed on the outer side of the annealing furnace body 1, and the control panel 101 is controlled based on the existing PLC control module;

[0042] In an embodiment of the present invention, multiple groups of heating modules 9 are fixedly installed inside the heating zone 6, multiple groups of soaking modules 10 are fixedly installed inside the soaking zone 7, and multiple groups of cooling modules 11 are fixedly installed inside the cooling zone 8. The multiple groups of heating modules 9 are existing devices for realizing the heating operation of the strip steel, the soaking modules 10 are existing equipment for temperature control, and the cooling modules 11 are existing water-cooled devices;

[0043] In the embodiment of the present invention, two adjacent preheating sheets 404 are attached to each other to ensure the sealing effect, and a plurality of partition racks 4 and inner sliding racks 401 are all installed obliquely;

[0044] In the embodiment of the present invention, a corrugated pipe 4022 is connected inside the connecting pipe 4021, and an oil injection hole is connected to the outside of the liquid inlet pipe 1601 for injecting heat-conducting oil into the annular heat-conducting frame 16. The setting of the corrugated pipe 4022 is used to avoid affecting the expansion and contraction of the inner sliding rack 401.

[0045] Embodiment 2: Based on Embodiment 1, in the embodiment of the present invention, a component for energy saving and consumption reduction in a continuous hot-dip galvanizing annealing section includes an annealing furnace body 1. A plurality of partition racks 4 are installed inside the annealing furnace body 1, and a cleaning area 5, a heating area 6, a soaking area 7, and a cooling area 8 are separated by the partition racks 4;

[0046] In the embodiment of the present invention, the workpiece needs to be annealed before galvanizing. First, it passes through the cleaning area 5, the heating area 6, the soaking area 7, and the cooling area 8 in sequence to complete the processes of cleaning, heating, soaking, and cooling, and then galvanizing treatment is carried out;

[0047] In the embodiment of the present invention, an exhaust pipe 12 is installed at the top of the heating area 6, and an annular heat-conducting frame 16 is fixedly installed inside the exhaust pipe 12. The annular heat-conducting frame 16 is used to conduct the remaining heat in the gas;

[0048] In the embodiment of the present invention, the exhaust pipe 12 is provided to export the gas, and when the high-temperature gas contacts the annular heat-conducting frame 16, the heat conduction can be completed through the heat-conducting oil inside the annular heat-conducting frame 16;

[0049] In the embodiment of the present invention, the partition rack 4 is rotatably installed inside the annealing furnace body 1, and an inner sliding rack 401 is slidably connected inside the partition rack 4. A support spring 403 is fixedly installed between the inner sliding rack 401 and the inside of the partition rack 4, and a heating pipe 402 is fixedly installed inside the inner sliding rack 401. An inlet pipe 1601 and a drain pipe 1602 are respectively fixedly installed on both sides of the annular heat-conducting frame 16. Both ends of the heating pipe 402 are connected with connecting pipes 4021. The connecting pipes 4021 are respectively communicated with the inlet pipe 1601 and the drain pipe 1602, and a negative pressure device 15 is provided between the inlet pipe 1601 and the corresponding connecting pipe 4021 to drive the flow of the heat-conducting oil inside the annular heat-conducting frame 16;

[0050] In an embodiment of the present invention, a rotating shaft 4041 is fixedly connected to the end of the inner sliding frame 401, and a plurality of preheating plates 404 are rotatably sleeved outside the rotating shaft 4041. Springs 4042 are provided inside the preheating plates 404. The preheating plates 404 are used to fit against the surface of the conveyed workpiece to achieve preheating treatment of the workpiece.

[0051] In an embodiment of the present invention, when the strip steel is being conveyed, as the strip steel enters the annealing furnace body 1 from the feed port 2 and then contacts the corresponding preheating plates 404 respectively, at this time, the strip steel can drive the corresponding preheating plates 404 to rotate along the rotating shaft 4041, further ensuring the sealing effect of the equipment. During the conveying process, as the heat-conducting oil circulates through the heating pipeline 402, heat can be transferred to the plurality of preheating plates 404 to achieve preheating treatment of the strip steel, further improving the subsequent heating effect and galvanizing effect, and simultaneously achieving the effect of energy conservation and consumption reduction.

[0052] In an embodiment of the present invention, further, the plurality of partition frame racks 4 and the inner sliding frame 401 are both inclinedly installed. When the strip steel passes between the two inner sliding frames 401, it can drive the inner sliding frame 401 to slide into the corresponding partition frame rack 4, squeezing the corresponding support spring 403, so that the equipment can be applicable to the conveying of strip steel with different thicknesses, improving the applicable range of the equipment.

[0053] In an embodiment of the present invention, a feed port 2 and a discharge port 3 are respectively opened at both ends of the annealing furnace body 1 for conveying the workpiece to be galvanized. A control panel 101 is fixedly installed outside the annealing furnace body 1, and the control panel 101 is controlled based on the existing PLC control module.

[0054] In an embodiment of the present invention, a plurality of heating modules 9 are fixedly installed inside the heating zone 6, a plurality of soaking modules 10 are fixedly installed inside the soaking zone 7, and a plurality of cooling modules 11 are fixedly installed inside the cooling zone 8. The plurality of heating modules 9 are existing devices for realizing the heating operation of the strip steel. The soaking modules 10 are existing equipment for temperature control, and the cooling modules 11 are existing water-cooled devices.

[0055] In an embodiment of the present invention, adjacent preheating plates 404 are in contact with each other to ensure the sealing effect. The plurality of partition frame racks 4 and the inner sliding frame 401 are both inclinedly installed.

[0056] In an embodiment of the present invention, a corrugated pipe 4022 is connected inside the connecting pipe 4021, and an oil injection hole is connected to the outside of the liquid inlet pipe 1601 for injecting heat-conducting oil into the annular heat-conducting frame 16. The setting of the corrugated pipe 4022 is used to avoid affecting the expansion and contraction of the inner sliding frame 401.

[0057] In an embodiment of the present invention, a cleaning component is provided inside the cleaning zone 5 for cleaning the conveyed workpiece.

[0058] In an embodiment of the present invention, the cleaning component includes a cleaning plate frame 13. There are two cleaning plate frames 13, both of which are rotatably connected inside the annealing furnace body 1. Liquid guide rollers 1303 are fixedly connected to the ends of the cleaning plate frames 13, and an outer sleeve roller 1306 is rotatably sleeved outside the liquid guide rollers 1303. A plurality of liquid discharge slots 1305 are symmetrically formed inside the liquid guide rollers 1303 for coating the pickling solution onto the surface of the conveyed workpiece.

[0059] In an embodiment of the present invention, a limiting frame 1304 is fixedly installed between both ends of the liquid guide roller 1303 and the corresponding cleaning plate frame 13. A connecting pipe 1307 is connected to the outside of the liquid guide roller 1303. A liquid storage tank 14 is fixedly installed on the top of the annealing furnace body 1, and the connecting pipe 1307 is communicated with the liquid storage tank 14 through a conduit.

[0060] In an embodiment of the present invention, a limiting shaft 1301 is fixedly installed at the end of the liquid guide roller 1303. The limiting shaft 1301 is rotatably connected to the annealing furnace body 1 and a return spring 1302 is sleeved outside.

[0061] In an embodiment of the present invention, a plurality of connecting rods 1309 are installed at the end of the cleaning plate frame 13, and a cleaning scraper 1308 is installed through the connecting rods 1309.

[0062] In an embodiment of the present invention, the outer sleeve roller 1306 is made of cotton fiber material. When the strip steel passes between the two outer sleeve rollers 1306, the pickling solution is introduced into the liquid guide roller 1303 through the connecting pipe 1307, and then enters the outer sleeve roller 1306 through the plurality of liquid discharge slots 1305. Until the pickling solution is coated on the outer surface of the strip steel by the rotation of the outer sleeve roller 1306, the oil stains, iron oxide and other impurities on the surface of the strip steel are washed away. Then, the corresponding cleaning scraper 1308 completes the scraping treatment of the impurities, further improving the subsequent galvanizing effect and ensuring the operation convenience of the equipment.

[0063] Meanwhile, the content not detailedly described in this specification belongs to the prior art well-known to those skilled in the art.

[0064] A detailed description of an embodiment of the present invention has been given above, but the content described is only a preferred embodiment of the present invention and cannot be considered as limiting the implementation scope of the present invention. All equivalent changes and improvements made according to the application scope of the present invention should still fall within the scope covered by the present invention.

Claims

1. A component for energy saving and consumption reduction in the continuous hot-dip galvanizing annealing section, comprising an annealing furnace body (1), characterized in that: Inside the annealing furnace body (1), a plurality of partition racks (4) are installed, and a cleaning area (5), a heating area (6), a soaking area (7), and a cooling area (8) are separated by the partition racks (4); An exhaust pipe (12) is installed at the top of the heating area (6). An annular heat conduction rack (16) is fixedly installed inside the exhaust pipe (12), and the annular heat conduction rack (16) is used to conduct the remaining heat in the gas; The partition rack (4) is rotatably installed inside the annealing furnace body (1), and an inner sliding rack (401) is slidably connected inside the partition rack (4). A support spring (403) is fixedly installed between the inner sliding rack (401) and the inside of the partition rack (4), and a heating pipe (402) is fixedly installed inside the inner sliding rack (401). An inlet pipe (1601) and a drain pipe (1602) are respectively fixedly installed on both sides of the annular heat conduction rack (16). Both ends of the heating pipe (402) are connected with connecting pipes (4021). The connecting pipes (4021) are respectively communicated with the inlet pipe (1601) and the drain pipe (1602), and a negative pressure device (15) is arranged between the inlet pipe (1601) and the corresponding connecting pipe (4021) to drive the heat-conducting oil inside the annular heat conduction rack (16) to flow; The end of the inner sliding rack (401) is fixedly connected with a rotating shaft (4041), and a plurality of preheating sheets (404) are rotatably sleeved outside the rotating shaft (4041). Spring bodies (4042) are arranged inside the preheating sheets (404), and the preheating sheets (404) are used to fit the surface of the conveyed workpiece to realize the preheating treatment of the workpiece.

2. The component for energy conservation and consumption reduction in the continuous hot-dip galvanizing annealing section according to claim 1, wherein: Feeding ports (2) and discharging ports (3) are respectively arranged at both ends of the annealing furnace body (1) for conveying the workpieces to be galvanized. A control panel (101) is fixedly installed on the outside of the annealing furnace body (1).

3. The component for energy conservation and consumption reduction in the continuous hot-dip galvanizing annealing section according to claim 1, wherein: A plurality of heating modules (9) are fixedly installed inside the heating area (6), a plurality of soaking modules (10) are fixedly installed inside the soaking area (7), and a plurality of cooling modules (11) are fixedly installed inside the cooling area (8).

4. A component for energy conservation and consumption reduction in a continuous hot-dip galvanizing annealing section according to claim 1, characterized in that: Two adjacent preheating sheets (404) are mutually attached, and a plurality of partition racks (4) and inner sliding racks (401) are all installed obliquely.

5. The component for energy conservation and consumption reduction in the continuous hot-dip galvanizing annealing section according to claim 4, characterized in that: A corrugated pipe (4022) is connected inside the connecting pipe (4021), and an oil injection hole is connected to the outside of the inlet pipe (1601) for injecting heat-conducting oil into the annular heat conduction rack (16).

6. The component for energy conservation and consumption reduction in the continuous hot-dip galvanizing annealing section according to claim 1, characterized in that: A cleaning component is arranged inside the cleaning area (5) for cleaning the conveyed workpieces.

7. A component for energy conservation and consumption reduction in a continuous hot-dip galvanizing annealing section according to claim 6, characterized in that: The cleaning component includes cleaning plate racks (13). There are two cleaning plate racks (13), and both are rotatably connected inside the annealing furnace body (1). Guide rollers (1303) are fixedly connected to the ends of the cleaning plate racks (13), and outer sleeve rollers (1306) are rotatably sleeved outside the guide rollers (1303). A plurality of liquid discharge slots (1305) are symmetrically arranged inside the guide rollers (1303) for coating the acid cleaning solution on the surface of the conveyed workpiece.

8. A component for energy conservation and consumption reduction in a continuous hot-dip galvanizing annealing section according to claim 7, characterized in that: Limit brackets (1304) are fixedly installed between both ends of the liquid guide roller (1303) and the corresponding cleaning plate frame (13). A connecting pipe (1307) is connected to the outside of the liquid guide roller (1303). A liquid storage tank (14) is fixedly installed at the top of the annealing furnace body (1). The connecting pipe (1307) and the liquid storage tank (14) are connected through a conduit.

9. The component for energy conservation and consumption reduction in the continuous hot-dip galvanizing annealing section according to claim 7, wherein: A limit shaft (1301) is fixedly installed at the end of the liquid guide roller (1303). The limit shaft (1301) is rotatably connected to the annealing furnace body (1) and a return spring (1302) is sleeved on the outside.

10. A component for energy conservation and consumption reduction in a continuous hot-dip galvanizing annealing section according to claim 7, characterized in that: A plurality of connecting rods (1309) are installed at the end of the cleaning plate frame (13), and a cleaning scraper (1308) is installed through the connecting rods (1309).

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