Hot galvanizing washing pool

Abstract

The utility model relates to the technical field of steel hot galvanizing, in particular to a hot galvanizing washing pool which comprises a washing box, a sludge bearing box is fixedly installed on the bottom end face of the washing box, a sludge cleaning assembly is arranged at the bottom end in the washing box, and automatic opening and closing assemblies are arranged on the bottom sides of the front end face and the rear end face of the washing box. The automatic opening and closing assembly comprises a sealing door plate rotationally installed on the end face of the washing box, and a sewage draining exit is formed in the attaching position of the sealing door plate and the washing box. A vibration bearing assembly is arranged in the water washing tank and comprises a bearing vibration plate movably mounted in the water washing tank, and the sludge cleaning assembly comprises a driving plate movably mounted at the bottom end in the water washing tank. When sludge is discharged, workpieces are washed, so that the downtime of a production line caused by independent operation can be shortened, the continuous operation of the hot galvanizing production line can be kept, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot-dip galvanizing of steel, in particular to a hot-dip galvanizing water washing tank. Background Art

[0002] Before hot-dip galvanizing, steel parts usually go through a pickling step to remove iron oxide on the surface. After pickling, a certain amount of acid solution remains on the surface of the workpiece. At this time, the workpiece is sent to a hot-dip galvanizing water washing tank for cleaning to remove the remaining acid solution. Some advanced hot-dip galvanizing water washing tanks adopt an automatic circulation and filtration system, which can effectively recycle and reuse the washing water, reduce water resource waste, and improve the cleaning efficiency.

[0003] During the hot-dip galvanizing process, a large amount of wastewater is generated. This wastewater contains various impurities and metal ions washed off from the surface of the workpiece, such as zinc ions, phosphate ions, etc. These substances in the wastewater will undergo chemical reactions under specific treatment conditions (such as pH value adjustment, addition of chemical agents, etc.) to form insoluble precipitates. These precipitates gradually deposit at the bottom of the tank to form sludge. The main characteristics of the sludge are high water content (up to more than 99%), high organic matter content, easy to rot and emit odors, and fine particles, small specific gravity, and in a colloidal liquid state.

[0004] In the existing technical solutions, the sludge discharge pump or other related equipment is started, and the concentrated sludge is transported from the bottom of the water washing tank to the sludge treatment system or sludge storage facility through the sludge pump. However, when the existing technical solutions are used, the water washing work needs to stop running, and the sludge can be regularly discharged from the tank only when it accumulates to a certain extent in the hot-dip galvanizing water washing tank. Summary of the Invention

[0005] The purpose of the utility model is to provide a hot-dip galvanizing water washing tank, which can carry out the water washing work on the workpiece while discharging the sludge, so as to reduce the downtime of the production line caused by performing a certain operation alone. This helps to keep the hot-dip galvanizing production line running continuously and improve the production efficiency, so as to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A hot-dip galvanizing water washing tank includes a water washing box. A sludge bearing box is fixedly installed at the bottom end surface of the water washing box. A sludge cleaning component is arranged at the bottom end inside the water washing box. Automatic opening and closing components are arranged at the bottom sides of the front and rear end surfaces of the water washing box. The automatic opening and closing component includes a sealing door plate rotatably installed on the end surface of the water washing box. A sewage discharge port corresponding to the sealing door plate is opened on the side wall of the water washing box;

[0007] Inside the water washing tank, there is a vibration bearing assembly, which includes a bearing vibration plate movably installed inside the water washing tank. A plurality of sludge penetration holes are evenly distributed at equal intervals on the end face of the bearing vibration plate.

[0008] The sludge cleaning assembly includes a driving plate movably installed at the bottom end inside the water washing tank. Pressing rods are fixedly installed on the front and rear end faces of the driving plate, and pressure sensors corresponding to the pressing rods are provided on the side wall of the sealing door panel.

[0009] Preferably, the automatic opening and closing assembly further includes electric push rods fixedly installed at the bottom sides of the front and rear end faces of the water washing tank. The telescopic ends of the electric push rods are hinged with connecting shaft rods.

[0010] Preferably, the bottom end of the connecting shaft rod is hinged with the sealing door panel, and the length of the pressing rod is greater than the depth of the sewage outlet.

[0011] Preferably, a water circulation assembly is provided on the side wall of the water washing tank. The water circulation assembly includes circulation water pumps fixedly installed on the left and right side walls of the water washing tank. The output end of the circulation water pump is communicated with a circulation water pipe, and the output end of the circulation water pipe is communicated with a plurality of spray heads, and the plurality of spray heads are fixedly installed on the inner wall of the water washing tank.

[0012] Preferably, water troughs are opened on the left and right side walls inside the water washing tank. A filter screen is embedded at the port of the water trough close to the water washing tank, and the end face of the filter screen is mutually attached to the tapered end face of the driving plate.

[0013] Preferably, the sludge cleaning assembly further includes a speed regulating motor fixedly installed at the bottom side of the rear end face of the water washing tank. The output end of the speed regulating motor penetrates through the tank wall of the water washing tank and is fixedly connected with a transmission lead screw. A ball nut is rotatably sleeved outside the transmission lead screw, and the ball nut is fixedly connected with the driving plate.

[0014] Preferably, a plurality of assembly grooves corresponding to the bearing vibration plate are opened on the left and right side walls inside the water washing tank. An assembly plate and a spring are installed inside the assembly groove. The spring is fixedly installed on the upper end face of the assembly plate, and the assembly plate is fixed on the left and right side walls of the bearing vibration plate.

[0015] Preferably, a plurality of vibration driving wheels are fixedly installed on the bottom end face of the bearing vibration plate. The distance between the vibration driving wheel and the bottom end face inside the water washing tank is less than the height of the driving plate, and the top end face structure of the driving plate is an arc structure.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] 1. When the present utility model discharges sludge, it simultaneously washes the workpieces on the bearing vibration plate. In this way, the downtime of the production line caused by performing a certain operation alone can be reduced, which helps to maintain the continuous operation of the hot-dip galvanizing production line and improve production efficiency. Timely discharging of sludge in the washing pool can prevent excessive accumulation of sludge in the pool, keep the washing pool clean and unobstructed, avoid problems such as bottom blockage of the pool and pump body wear caused by sludge accumulation, and extend the service life of the washing pool and related equipment. At the same time, the sludge contains a large amount of organic matter, nitrogen, phosphorus and other nutrients. If it stays in the washing pool for a long time, it may pollute the water body. Timely discharging of sludge can reduce the release of these harmful substances and reduce the potential risk to the environment.

[0018] 2. The present utility model can prevent system blockage caused by impurity accumulation through the cyclic cleaning of the filter screen by the driving plate, ensure the efficient and stable operation of the circulating water system. Sufficient cleaning can extend the service life of the filter screen, reduce the frequency of replacing the filter screen, thereby reducing the long-term maintenance cost. The set vibration bearing assembly can move and tumble the workpieces, so that the end faces of the workpieces in contact with the bearing vibration plate can also be fully washed. Such sufficient washing helps to reduce impurities such as iron salts remaining on the surface of the workpieces. These impurities are likely to react with zinc in the high-temperature zinc bath, generating zinc ash and zinc slag, thus affecting the quality and appearance of the galvanized layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is the overall structural view of the present utility model;

[0021] Figure 2 It is the schematic diagram of the internal structure of the trash can body of the present utility model;

[0022] Figure 3 It is the schematic diagram of the opening mechanism structure of the present utility model;

[0023] Figure 4 It is the schematic diagram of the driving mechanism structure of the present utility model.

[0024] Description of the reference numerals:

[0025] 1. Water washing tank; 2. Sludge bearing box; 3. Automatic opening and closing assembly; 301. Electric push rod; 302. Connecting shaft rod; 303. Sealing door panel; 4. Water circulation assembly; 401. Circulation water pump; 402. Water tank; 403. Circulation water pipe; 404. Sprinkler head; 405. Filter screen; 5. Vibration bearing assembly; 501. Bearing vibration plate; 502. Sludge penetration holes; 503. Spring; 504. Assembly groove; 505. Assembly plate; 506. Vibration drive wheel; 6. Sludge cleaning assembly; 601. Speed control motor; 602. Transmission lead screw; 603. Ball nut; 604. Drive plate; 605. Pressure rod; 606. Pressure sensor. Detailed implementation manners

[0026] 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.

[0027] The present invention provides a technical solution:

[0028] Please refer to Figures 1 to 4 , a hot-dip galvanized water washing pool, including a water washing tank 1, a sludge bearing box 2 is fixedly installed at the bottom end surface of the water washing tank 1, the length of the sludge bearing box 2 is greater than the length of the water washing tank 1, a sludge cleaning assembly 6 is arranged at the bottom end of the inner part of the water washing tank 1, automatic opening and closing assemblies 3 are arranged on the bottom sides of the front and rear end surfaces of the water washing tank 1, the automatic opening and closing assembly 3 includes a sealing door panel 303 rotatably installed on the end surface of the water washing tank 1, a sewage discharge port corresponding to the sealing door panel 303 is opened on the side wall of the water washing tank 1, the automatic opening and closing assembly 3 further includes an electric push rod 301 fixedly installed on the bottom sides of the front and rear end surfaces of the water washing tank 1, a connecting shaft rod 302 is hinged to the telescopic end of the electric push rod 301, and the bottom end of the connecting shaft rod 302 is hinged to the sealing door panel 303; a vibration bearing assembly 5 is arranged inside the water washing tank 1, the vibration bearing assembly 5 includes a bearing vibration plate 501 movably installed inside the water washing tank 1, and a plurality of sludge penetration holes 502 are evenly distributed at equal intervals on the end surface of the bearing vibration plate 501; the sludge cleaning assembly 6 includes a speed control motor 601 fixedly installed at the bottom side of the rear end surface of the water washing tank 1, the output end of the speed control motor 601 penetrates through the box wall of the water washing tank 1 and is fixedly connected with a transmission lead screw 602, a ball nut 603 is rotatably sleeved outside the transmission lead screw 602, a drive plate 604 is fixedly installed outside the ball nut 603, pressure rods 605 are fixedly installed on the front and rear end surfaces of the drive plate 604, a pressure sensor 606 corresponding to the pressure rod 605 is arranged on the side wall of the sealing door panel 303, and the length of the pressure rod 605 is greater than the depth of the sewage discharge port.

[0029] By adopting the above technical solution, when in use, fill the inside of the water washing tank 1 with clean water for acid washing, add the parts to be water washed onto the bearing vibration plate 501 of the water washing tank 1. The sludge generated during operation can flow into the bottom of the water washing tank 1 through the sludge penetration holes 502. Start the speed regulating motor 601. The operation of the speed regulating motor 601 can drive the transmission lead screw 602 to rotate. The transmission lead screw 602 can drive the ball nut 603 to move back and forth. The ball nut 603 can drive the drive plate 604 fixed on its outside to move. The bottom end surface of the drive plate 604 is in close contact with the bottom end of the water washing tank 1, so as to scrape and clean the sludge accumulated on the bottom end surface of the water washing tank 1. The movement of the drive plate 604 can push the sludge towards the sewage outlets at the front and rear ends of the water washing tank 1. When the drive plate 604 moves to the sewage outlet, the drive plate 604 is in close contact with the front and rear side walls inside the water washing tank 1. At the same time, the pressure rod 605 on the drive plate 604 will squeeze the pressure sensor 606. Thus, when the pressure of the pressure sensor 606 reaches the threshold value, it triggers the electric push rod 301 to extend and can push the connecting shaft rod 302 to move. The connecting shaft rod 302 can push the sealing door plate 303 to rotate and open, so that the sludge can be discharged from the sewage outlet. The sludge discharged from the sewage outlet can fall into the sludge bearing box 2 for storage. In this way, when the sludge is discharged, the workpieces on the bearing vibration plate 501 can be water washed at the same time. This can reduce the downtime of the production line caused by performing a certain operation alone, which helps to maintain the continuous operation of the hot-dip galvanizing production line and improve production efficiency; when the pressure disappears, the electric push rod 301 contracts and can drive the connecting shaft rod 302 to contract, closing the sealing door plate 303. Thus, timely discharging the sludge in the water washing pool can prevent the sludge from accumulating too much in the pool, keep the water washing pool clean and smooth, and avoid problems such as the blockage of the pool bottom and the wear of the pump body caused by sludge accumulation, and extend the service life of the water washing pool and related equipment; at the same time, the sludge contains a large amount of organic matter, nitrogen, phosphorus and other nutrient components. If it stays in the water washing pool for a long time, it may pollute the water body. Timely discharging the sludge can reduce the release of these harmful substances and reduce the potential risk to the environment.

[0030] Specifically, such as Figure 1 , Figure 2 and Figure 4As shown in the figure, a water circulation component 4 is provided on the side wall of the water washing tank 1. The water circulation component 4 includes circulation water pumps 401 fixedly installed on the left and right side walls of the water washing tank 1. The output end of the circulation water pump 401 is communicated with a circulation water pipe 403. The output end of the circulation water pipe 403 is communicated with a plurality of spray nozzles 404. The plurality of spray nozzles 404 are fixedly installed on the inner wall of the water washing tank 1. Water troughs 402 are provided on the left and right side walls inside the water washing tank 1. A filter screen 405 is embedded at the port of the water trough 402 close to the water washing tank 1. The end face of the filter screen 405 is in mutual fit with the pointed conical end face of the driving plate 604; A plurality of assembly grooves 504 corresponding to the bearing vibration plates 501 are provided on the left and right side walls inside the water washing tank 1. An assembly plate 505 and a spring 503 are installed inside the assembly groove 504. The spring 503 is fixedly installed on the upper end face of the assembly plate 505. The assembly plate 505 is fixed on the left and right side walls of the bearing vibration plate 501. A plurality of vibration driving wheels 506 are fixedly installed on the bottom end face of the bearing vibration plate 501. The distance between the vibration driving wheel 506 and the bottom end face inside the water washing tank 1 is less than the height of the driving plate 604. The top end face structure of the driving plate 604 is an arc structure.

[0031] By adopting the above technical solution, when performing the water washing operation, the circulating water pump 401 is started. The operation of the circulating water pump 401 can pump out the water in the water tank 402 and transport the water to each spray head 404 through the circulating water pipe 403. Through the spray head 404, the water can be circulated and sprayed on the workpiece for water washing. At the same time, the sludge generated by the water washing can be filtered by the filter screen 405. The fitting of the filter screen 405 and the driving plate 604 can clean the end face of the filter screen 405 when the driving plate 604 moves, avoiding the accumulation of a large amount of sludge at the end face of the filter screen 405. And the cyclic cleaning of the filter screen 405 by the driving plate 604 can prevent the system blockage caused by the accumulation of impurities, ensuring the efficient and stable operation of the circulating water system. The sufficient cleaning can extend the service life of the filter screen 405 and reduce the frequency of replacing the filter screen 405, thereby reducing the long-term maintenance cost. During the cyclic movement of the driving plate 604, the arc-shaped upper end face of the driving plate 604 can push the vibration driving wheel 506 to rotate and can lift the vibration driving wheel 506 to move upward, so as to push the bearing vibration plate 501 to move upward. And the bearing vibration plate 501 can compress the spring 503 through the assembly plate 505. When the vibration driving wheel 506 is separated from the driving plate 604, the bearing vibration plate 501 can push the assembly plate 505 to move under the action of the spring 503, thereby driving the bearing vibration plate 501 to move. In this way, when the bearing vibration plate 501 is performing water washing, it can vibrate up and down in the water washing tank 1, so that the workpiece on the bearing vibration plate 501 can move and tumble, and further the end face of the workpiece in contact with the bearing vibration plate 501 can also be fully washed. Such sufficient water washing helps to reduce the impurities such as iron salts remaining on the surface of the workpiece. These impurities are likely to react with zinc in the high-temperature zinc bath to generate zinc ash and zinc slag, thus affecting the quality and appearance of the galvanized layer. Thereby ensuring that the hot-dip galvanized product has good appearance quality and adhesion, and improving the overall quality of the product.

[0032] Working principle: When in use, fill the inside of the water washing tank 1 with clean water for acid washing, and add the parts to be water washed onto the bearing vibrating plate 501 of the water washing tank 1. The sludge generated during operation can flow into the bottom of the water washing tank 1 through the sludge penetration holes 502. Start the speed regulating motor 601. The operation of the speed regulating motor 601 can drive the transmission lead screw 602 to rotate. The transmission lead screw 602 can drive the ball nut 603 to move back and forth. The ball nut 603 can drive the drive plate 604 fixed on its outside to move. The bottom end surface of the drive plate 604 is in close contact with the bottom end of the water washing tank 1, so as to scrape and clean the sludge accumulated on the bottom end surface of the water washing tank 1. The movement of the drive plate 604 can push the sludge towards the sewage outlets at the front and rear ends of the water washing tank 1. When the drive plate 604 moves to the sewage outlet, the drive plate 604 is in close contact with the front and rear side walls inside the water washing tank 1. At the same time, the pressure rod 605 on the drive plate 604 will squeeze the pressure sensor 606. Thus, when the pressure of the pressure sensor 606 reaches the threshold value, it triggers the electric push rod 301 to extend and drive the connecting shaft rod 302 to move. The connecting shaft rod 302 can drive the sealing door plate 303 to rotate and open, so that the sludge can be discharged from the sewage outlet. The sludge discharged from the sewage outlet can fall into the sludge bearing box 2 for storage; when the pressure disappears, the electric push rod 301 contracts and drives the connecting shaft rod 302 to contract, closing the sealing door plate 303. Start the circulating water pump 401. The operation of the circulating water pump 401 can pump out the water in the water tank 402 and transport the water to each spray head 404 through the circulating water pipe 403. The water can be sprayed on the workpiece in a circulating manner through the spray head 404 for water washing. At the same time, the sludge generated by the water washing can be filtered through the filter screen 405. The end surface of the filter screen 405 can be cleaned when the drive plate 604 moves by the close contact between the filter screen 405 and the drive plate 604. During the cyclic movement of the drive plate 604, the arc-shaped upper end surface of the drive plate 604 can push the vibration drive wheel 506 to rotate and can lift the vibration drive wheel 506 upward, so as to push the bearing vibrating plate 501 upward. And the bearing vibrating plate 501 can compress the spring 503 through the assembly plate 505. When the vibration drive wheel 506 is separated from the drive plate 604, the bearing vibrating plate 501 can push the assembly plate 505 to move under the action of the spring 503, thereby driving the bearing vibrating plate 501 to move. In this way, when the bearing vibrating plate 501 is water washed, it can vibrate up and down in the water washing tank 1, so that the workpiece on the bearing vibrating plate 501 can move and roll, and then the end surface of the workpiece in contact with the bearing vibrating plate 501 can also be fully water washed.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hot-dip galvanized water washing tank, comprising a water washing box (1), characterized in that: The bottom end face of the water washing box (1) is fixedly installed with a sludge bearing box (2). At the bottom end inside the water washing box (1), there is a sludge cleaning component (6). At the bottom sides of the front and rear end faces of the water washing box (1), there are automatic opening and closing components (3). The automatic opening and closing component (3) includes a sealing door panel (303) rotatably installed on the end face of the water washing box (1). A sewage discharge port corresponding to the sealing door panel (303) is opened on the side wall of the water washing box (1). Inside the water washing box (1), there is a vibration bearing component (5). The vibration bearing component (5) includes a bearing vibration plate (501) movably installed inside the water washing box (1). A plurality of sludge penetration holes (502) evenly distributed at equal intervals are opened on the end face of the bearing vibration plate (501). The sludge cleaning component (6) includes a driving plate (604) movably installed at the bottom end inside the water washing box (1). Pressure rods (605) are fixedly installed on the front and rear end faces of the driving plate (604). A pressure sensor (606) corresponding to the pressure rod (605) is provided on the side wall of the sealing door panel (303).

2. The hot-dip galvanized water washing tank according to claim 1, characterized in that: The automatic opening and closing component (3) further includes an electric push rod (301) fixedly installed at the bottom sides of the front and rear end faces of the water washing box (1). The telescopic end of the electric push rod (301) is hinged with a connecting shaft rod (302).

3. The hot-dip galvanized water washing tank according to claim 2, characterized in that: The bottom end of the connecting shaft rod (302) is hinged with the sealing door panel (303). The length of the pressure rod (605) is greater than the depth of the sewage discharge port.

4. The hot-dip galvanized water washing tank according to claim 1, characterized in that: A water circulation component (4) is provided on the side wall of the water washing box (1). The water circulation component (4) includes circulation water pumps (401) fixedly installed on the left and right side walls of the water washing box (1). The output end of the circulation water pump (401) is communicated with a circulation water pipe (403). The output end of the circulation water pipe (403) is communicated with a plurality of spray heads (404). The plurality of spray heads (404) are fixedly installed on the inner wall of the water washing box (1).

5. A hot-dip galvanized water washing tank according to claim 4, characterized in that: Water troughs (402) are opened on the left and right side walls inside the water washing box (1). A filter screen (405) is embedded at the port of the water trough (402) close to the water washing box (1). The end face of the filter screen (405) is mutually attached to the tapered end face of the driving plate (604).

6. The hot-dip galvanized water washing tank according to claim 1, wherein: The sludge cleaning component (6) further includes a speed regulating motor (601) fixedly installed at the bottom side of the rear end face of the water washing box (1). The output end of the speed regulating motor (601) penetrates through the box wall of the water washing box (1) and is fixedly connected with a transmission lead screw (602). A ball nut (603) is rotatably sleeved on the outside of the transmission lead screw (602). The ball nut (603) is fixedly connected with the driving plate (604).

7. A hot-dip galvanized water washing tank according to claim 1, characterized in that: A plurality of assembly grooves (504) corresponding to the bearing vibration plate (501) are opened on the left and right side walls inside the water washing box (1). An assembly plate (505) and a spring (503) are installed inside the assembly groove (504). The spring (503) is fixedly installed on the upper end face of the assembly plate (505). The assembly plate (505) is fixed on the left and right side walls of the bearing vibration plate (501).

8. The hot-dip galvanized water washing tank according to claim 7, wherein: A plurality of vibration drive wheels (506) are fixedly installed on the bottom end surface of the load-bearing vibration plate (501). The distance between the vibration drive wheels (506) and the bottom end surface inside the water washing tank (1) is less than the height of the drive plate (604). The top end surface of the drive plate (604) has an arc-shaped structure.

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