Waste residue discharging structure for pickling of galvanized steel pipe
By designing a waste residue discharge structure for pickling galvanized steel pipes, and utilizing centrifugal screening and chemical neutralization precipitation to treat the waste residue, the problems of high cost and dispersion were solved, achieving safe and efficient waste residue treatment and detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-10
AI Technical Summary
The treatment of waste residue after pickling galvanized steel pipes requires multiple reaction devices, which is costly and the open slag discharge port causes acid mist and heavy metal dust to escape, endangering workers' health.
Design a waste discharge structure for pickling galvanized steel pipes, including an outer barrel, an inner barrel, a servo motor, a reaction tank, and a heavy metal detector. Through centrifugal screening, chemical neutralization precipitation, and real-time detection, it can separate and process large particles, fine particles, and liquids.
It enables the collection of large particulate waste residue, the effective treatment of fine particles and liquids, and the real-time monitoring of heavy metal content to prevent acid mist and dust from escaping and protect workers' health.
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Figure CN224100179U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a waste residue discharging structure for galvanized steel pipe pickling belongs to the technical field of waste residue treatment. BACKGROUND
[0002] Galvanized steel pipe pickling is a kind of pretreatment process that removes the oxide, rust, oil stain and residual zinc layer on the surface of steel pipe by chemical method, aiming at providing clean and activated metal surface for subsequent processing.
[0003] At present, the waste residue after galvanized steel pipe pickling needs to pass through multiple reaction tanks and treatment equipment, and the treatment cost is high to reach the discharge standard, and the open discharge port will cause acid mist and heavy metal dust to escape, which is harmful to the health of workers.
[0004] Now, a waste residue discharging structure for galvanized steel pipe pickling is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a waste residue discharging structure for galvanized steel pipe pickling to solve the problem of waste residue treatment through multiple reaction equipment in the above background technology.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a waste residue discharging structure for galvanized steel pipe pickling, comprising a base, an outer barrel is arranged on the left side of the top of the base, four groups of first supporting legs are fixedly connected to the bottom end of the outer barrel, an inner barrel is movably connected in the inner barrel, a top cover is movably connected to the top end of the outer barrel, a first feeding port is formed in the top end of the top cover, a servo motor is fixedly connected to the bottom end of the outer barrel, a limiting seat is movably connected to the bottom end in the outer barrel, a limiting groove is formed in the bottom end of the inner barrel, a first liquid discharge port is formed in the right side of the outer barrel, and a control seat is fixedly connected to the right side of the top of the base.
[0007] As a further technical scheme of the utility model, the output end of the servo motor is connected with the limiting seat, and the servo motor and the control seat are electrically connected.
[0008] As a further technical scheme of the utility model, the size of the limiting seat matches the limiting groove, and a plurality of holes are formed in the outer side of the inner barrel.
[0009] As a further technical scheme of the utility model, the right side of the outer drum is provided with a reaction tank, a first liquid inlet is formed in the left side of the reaction tank, a communicating pipe is fixedly connected between the first liquid inlet and the first liquid outlet, a second feed inlet is formed in the top end of the reaction tank, four groups of second supporting legs are fixedly connected around the bottom end of the reaction tank, a first discharge outlet is formed in the middle of the bottom end of the reaction tank, a second liquid outlet is formed in the right side of the reaction tank, and a first electromagnetic valve is fixedly connected to the right side of the second liquid outlet.
[0010] As a further technical scheme of the utility model, the first liquid inlet, the reaction tank and the second liquid outlet are in internal communication, the second feed inlet, the reaction tank and the first discharge outlet are in internal communication.
[0011] As a further technical scheme of the utility model, the second liquid outlet and the first electromagnetic valve are in internal communication, and the first electromagnetic valve is electrically connected with the control base.
[0012] As a further technical scheme of the utility model, the front end of the control base is fixedly connected with a prompt lamp, the left side of the top end of the control base is fixedly connected with a detection box, the bottom end in the detection box is fixedly connected with a heavy metal detector, a third liquid inlet is formed in the left side of the detection box, a third liquid outlet is formed in the right side of the detection box, a second electromagnetic valve is fixedly connected to the right side of the third liquid outlet, and a liquid discharge pipe is fixedly connected to the right side of the second electromagnetic valve.
[0013] As a further technical scheme of the utility model, the heavy metal detector is electrically connected with the control base, and the third liquid inlet, the detection box and the third liquid outlet are in internal communication.
[0014] Compared with the prior art, the utility model has the advantages that the waste residue discharging structure for galvanized steel pipe pickling not only realizes the treatment and collection of large-particle waste residues, but also realizes the treatment of fine particles and liquid and the real-time detection of discharged liquid.
[0015] (1) through being provided with the outer drum, the first supporting leg, the inner drum, the top cover, the first feed inlet, the servo motor, the limiting seat, the limiting groove and the first liquid outlet, when in use, the waste residues with pickling liquid enter the inner drum through the butt joint of the first feed inlet and the waste residue discharging position, the control base starts the servo motor, the servo motor drives the rotation of the limiting seat, a plurality of holes are formed in the outer side of the inner drum, fine particles and liquid enter the outer drum due to the centrifugal effect when the inner drum rotates, thereby realizing the screening of large-particle waste residues and the preliminary treatment of waste residues, the inner drum can be taken out by opening the top cover, thereby realizing the collection of large-particle waste residues.
[0016] (2) By setting up a reaction tank, a first liquid inlet, a second feed inlet, a first discharge outlet, a second support leg, a second drain outlet and a first solenoid valve, when in use, the fine particles and liquid after centrifugation in the inner tank enter the reaction tank through the first drain outlet, the connecting pipe and the first liquid inlet. By injecting the reaction liquid into the second feed inlet, the main components of the reaction tank are FeCl and ZnCl. The reaction liquid neutralizes and precipitates with the substances in the reaction tank, thereby obtaining Fe(OH) and Zn(OH) sludge. After the solid and liquid in the reaction tank are separated into layers, the first discharge outlet is opened to discharge the sludge, and then the first solenoid valve is opened to discharge the remaining liquid, thereby realizing the treatment of fine particles and liquid.
[0017] (3) The system is equipped with an indicator light, a detection box, a third inlet, a heavy metal detector, a third outlet, a second solenoid valve, and a drain pipe. When in use, the liquid treated by the reaction tank enters the detection box through the third inlet. The bottom of the detection box is fixedly connected to the heavy metal detector, thereby realizing real-time detection of the liquid. However, when the detected heavy metal index exceeds the set amount, the second solenoid valve closes, thereby immediately shutting off the drain and alerting the staff through the indicator light. Attached Figure Description
[0018] Figure 1 This is a front view cross-sectional structural diagram of the present invention;
[0019] Figure 2 This is a bottom view of the inner barrel structure of this utility model;
[0020] Figure 3 For the present utility model Figure 1 Enlarged cross-sectional view of a portion of point A in the middle section;
[0021] Figure 4 For the present utility model Figure 1 Enlarged cross-sectional view of section B in the middle section;
[0022] Figure 5 For the present utility model Figure 1 Enlarged cross-sectional view of section C.
[0023] In the diagram: 1. Base; 2. Outer barrel; 3. First support leg; 4. Inner barrel; 5. Top cover; 6. First feed inlet; 7. Servo motor; 8. Limit seat; 9. Limit groove; 10. First drain outlet; 11. Connecting pipe; 12. Reaction tank; 13. First inlet; 14. Second feed inlet; 15. First discharge outlet; 16. Second support leg; 17. Second drain outlet; 18. First solenoid valve; 19. Control seat; 20. Indicator light; 21. Detection box; 22. Third inlet; 23. Heavy metal detector; 24. Third drain outlet; 25. Second solenoid valve; 26. Drain pipe. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] Embodiment: Please refer to Figures 1-5 A waste residue discharging structure for pickling of galvanized steel pipe, comprising a base 1, an outer barrel 2 is arranged on the left side above the base 1, four groups of first supporting legs 3 are fixedly connected to the bottom end of the outer barrel 2, an inner barrel 4 is movably connected in the inner barrel 2, a top cover 5 is movably connected to the top end of the outer barrel 2, a first feeding port 6 is formed in the top end of the top cover 5, a servo motor 7 is fixedly connected to the bottom end of the outer barrel 2, a limiting seat 8 is movably connected to the bottom end in the outer barrel 2, a limiting groove 9 is formed in the bottom end of the inner barrel 4, a first liquid discharge port 10 is formed in the right side of the outer barrel 2, and a control seat 19 is fixedly connected to the right side of the top end of the base 1.
[0026] The output end of the servo motor 7 is connected with the limiting seat 8, the servo motor 7 is electrically connected with the control seat 19, the size of the limiting seat 8 is matched with the limiting groove 9, and a plurality of holes are formed in the outer side of the inner barrel 4.
[0027] Specifically, as shown in Figure 1 , Figure 2 and Figure 3 , in use, the first feeding port 6 is docked with the waste residue discharging position, the waste residue with pickling liquid enters the inner barrel 4, the control seat 19 starts the servo motor 7, the servo motor 7 drives the rotation of the limiting seat 8, a plurality of holes are formed in the outer side of the inner barrel 4, and when the inner barrel 4 rotates, fine particles and liquid enter the outer barrel 2 due to the centrifugal effect, so that the screening of large-particle waste residue is realized, and the preliminary treatment of the waste residue is realized. The top cover 5 is opened, the inner barrel 4 is taken out, so that the collection of large-particle waste residue is realized, the servo motor 7 is electrically connected with the control seat 19, this technology is prior art, and will not be described again.
[0028] The right side of the outer barrel 2 is provided with a reaction tank 12, the left side of the reaction tank 12 is provided with a first liquid inlet 13, the first liquid inlet 13 and the first liquid outlet 10 are fixedly connected with a communication pipe 11, the top end of the reaction tank 12 is provided with a second feeding port 14, the bottom end of the reaction tank 12 is fixedly connected with four groups of second supporting legs 16, the middle of the bottom end of the reaction tank 12 is provided with a first discharging port 15, the right side of the reaction tank 12 is provided with a second liquid outlet 17, the right side of the second liquid outlet 17 is fixedly connected with a first electromagnetic valve 18, the first liquid inlet 13, the reaction tank 12 and the second liquid outlet 17 are in communication, the second feeding port 14, the reaction tank 12 and the first discharging port 15 are in communication, the second liquid outlet 17 and the first electromagnetic valve 18 are in communication, and the first electromagnetic valve 18 and the control base 19 are electrically connected;
[0029] Specifically, as shown in Figure 1 and Figure 4 , in use, the fine particles and the liquid after centrifugal treatment of the inner barrel 4 enter the reaction tank 12 through the first liquid outlet 10, the communication pipe and the first liquid inlet 13, by injecting a reaction liquid into the second feeding port 14, the main components of the reaction tank 12 are FeCl and ZnCl, the reaction liquid and the substances in the reaction tank 12 are neutralized and precipitated, so as to obtain Fe(OH) and Zn(OH) sludge, after the solid-liquid layering in the reaction tank 12, the first discharging port 15 is opened to discharge the sludge, then the first electromagnetic valve 18 is opened to discharge the remaining liquid, so as to realize the treatment of the fine particles and the liquid, the first electromagnetic valve 18 and the control base 19 are electrically connected, and this technology is prior art, so it will not be repeated.
[0030] The front end of the control base 19 is fixedly connected with an indicator light 20, the left side of the top end of the control base 19 is fixedly connected with a detection box 21, the bottom end of the inside of the detection box 21 is fixedly connected with a heavy metal detector 23, the left side of the detection box 21 is provided with a third liquid inlet 22, the right side of the detection box 21 is provided with a third liquid outlet 24, the right side of the third liquid outlet 24 is fixedly connected with a second electromagnetic valve 25, the right side of the second electromagnetic valve 25 is fixedly connected with a liquid discharge pipe 26, the heavy metal detector 23 and the control base 19 are electrically connected, and the third liquid inlet 22, the detection box 21 and the third liquid outlet 24 are in communication
[0031] Specifically, as shown in Figure 1 and Figure 5 , in use, the liquid after the treatment of the reaction tank 12 enters the detection box 21 through the third liquid inlet 22, the bottom end of the inside of the detection box 21 is fixedly connected with the heavy metal detector 23, so as to realize the real-time detection of the liquid, but when the heavy metal index detected exceeds the set amount, the second electromagnetic valve 25 is closed, so as to realize the immediate closing of the liquid discharge, and the indicator light 20 is used to remind the staff, the second electromagnetic valve 25 and the control base 19 are electrically connected, and this technology is prior art, so it will not be repeated.
[0032] Working principle: the utility model discloses in use, first, through the first feed inlet 6 and waste residue discharge position butt joint, and the waste residue with pickling solution enters to inner bucket 4, control seat 19 starts servo motor 7, and servo motor 7 drives the rotation of limit seat 8, and the outside of inner bucket 4 is provided with multiple groups of holes, and when inner bucket 4 rotates, because of the effect of centrifugal fine particles and liquid enter to outer barrel 2, thereby realize the screening of large particle waste residue, and further realize the preliminary treatment of waste residue, by opening top cover 5, can take out inner bucket 4, thereby realize the collection of large particle waste residue, second, fine particles and liquid after centrifugal treatment of inner bucket 4 enter to reaction tank 12 through first liquid discharge port 10, connecting barrel pipe, first liquid inlet 13, by injecting reaction liquid into second feed inlet 14, the main component of reaction tank 12 is FeCl, ZnCl, and reaction liquid and the substance in reaction tank 12 carry out neutralization and deposit, thereby obtain Fe (OH), Zn (OH) sludge, after solid-liquid layering in reaction tank 12, open first discharge port 15, and the sludge is discharged, then open first electromagnetic valve 18 and discharge the remaining liquid, thereby realize the treatment of fine particles and liquid, simultaneously, when using, the liquid after reaction tank 12 treatment enters detection box 21 through third liquid inlet 22, and the bottom end of detection box 21 is fixedly connected with heavy metal detector 23, thereby realize the real-time detection of through liquid, but when detecting that heavy metal index exceeds the set amount, second electromagnetic valve 25 is closed, thereby realize immediate closing of liquid discharge, and through prompt light 20 to remind staff.
[0033] It is obvious to those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A waste residue discharging structure for pickling of a galvanized steel pipe, comprising a base (1), characterized in that: The left side above the base (1) is provided with an outer barrel (2), the bottom end of the outer barrel (2) is fixedly connected with four groups of first supporting legs (3), the inside of the outer barrel (2) is movably connected with an inner barrel (4), the top end of the outer barrel (2) is movably connected with a top cover (5), the top end of the top cover (5) is provided with a first feeding port (6), the bottom end of the outer barrel (2) is fixedly connected with a servo motor (7), the bottom end inside the outer barrel (2) is movably connected with a limiting seat (8), the bottom end of the inner barrel (4) is provided with a limiting groove (9), the right side of the outer barrel (2) is provided with a first liquid discharge port (10), and the right side of the top end of the base (1) is fixedly connected with a control seat (19).
2. The waste residue discharging structure for pickling of a galvanized steel pipe according to claim 1, characterized in that: The output end of the servo motor (7) is connected with the limiting seat (8), and the servo motor (7) and the control seat (19) are electrically connected.
3. The structure for discharging the waste slag for pickling the galvanized steel pipe according to claim 1, characterized in that: The size of the limiting seat (8) is matched with the limiting groove (9), and a plurality of hole groups are formed in the outer side of the inner barrel (4).
4. The structure for discharging the waste slag for pickling the galvanized steel pipe according to claim 1, characterized in that: The right side of the outer barrel (2) is provided with a reaction tank (12), the left side of the reaction tank (12) is provided with a first liquid inlet (13), the first liquid discharge port (10) and the first liquid inlet (13) are fixedly connected with a communication pipe (11), the top end of the reaction tank (12) is provided with a second feeding port (14), the bottom end of the reaction tank (12) is fixedly connected with four groups of second supporting legs (16), the middle of the bottom end of the reaction tank (12) is provided with a first discharge port (15), the right side of the reaction tank (12) is provided with a second liquid discharge port (17), and the right side of the second liquid discharge port (17) is fixedly connected with a first electromagnetic valve (18).
5. The structure for discharging the waste slag for pickling the galvanized steel pipe according to claim 4, characterized in that: The first liquid inlet (13), the reaction tank (12) and the second liquid discharge port (17) are in communication, the second feeding port (14), the reaction tank (12) and the first discharge port (15) are in communication.
6. The structure for discharging the waste slag for pickling the galvanized steel pipe according to claim 4, characterized in that: The second liquid discharge port (17) and the first electromagnetic valve (18) are in communication, and the first electromagnetic valve (18) and the control seat (19) are electrically connected.
7. The structure for discharging the waste slag for pickling the galvanized steel pipe according to claim 1, characterized in that: The front end of the control seat (19) is fixedly connected with a prompt lamp (20), the left side of the top end of the control seat (19) is fixedly connected with a detection box (21), the bottom end inside the detection box (21) is fixedly connected with a heavy metal detector (23), the left side of the detection box (21) is provided with a third liquid inlet (22), the right side of the detection box (21) is provided with a third liquid discharge port (24), the right side of the third liquid discharge port (24) is fixedly connected with a second electromagnetic valve (25), and the right side of the second electromagnetic valve (25) is fixedly connected with a liquid discharge pipe (26).
8. The waste residue discharging structure for pickling of a galvanized steel pipe according to claim 7, characterized in that: The heavy metal detector (23) and the control seat (19) are electrically connected, and the third liquid inlet (22), the detection box (21) and the third liquid discharge port (24) are in communication.