Pickling passivation recovery equipment capable of being recycled

Through the design of multi-layer filter components and power components, the leakage problem during cleaning of the filter plate in the pickling and passivation recovery equipment is solved, efficient filtration of the pickling and passivation liquid and reuse of resources are achieved, and the convenience and practicality of the equipment are improved.

CN223439330UActive Publication Date: 2025-10-17SHANGHAI LANHUA CLEANING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422884535.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-10-17
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

When cleaning the filter plate of the existing pickling and passivation recovery equipment, the filter plate is pulled out from the side wall of the impurity removal box, which easily leads to leakage of the pickling and passivation liquid, poor filtering effect, and serious waste of resources.

Method used

A reusable pickling and passivation recovery equipment was designed, which adopted a multi-layer filtration component (third filter plate, second filter plate, first filter plate) and a limit plate structure, combined with power components and auxiliary components to achieve layer-by-layer filtration and convenient cleaning, prevent leakage, and improve filtration effect and resource utilization.

Benefits of technology

It effectively prevents the leakage of pickling and passivation liquid, improves the filtering effect, realizes convenient cleaning and resource reuse, and improves the practicality and economy of the equipment.

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Abstract

The utility model discloses a reusable pickling passivation recovery device, which relates to the technical field of pickling passivation and comprises an impurity removal box, a grid plate, a filter component and a limiting plate are sequentially arranged in the impurity removal box from top to bottom, the grid plate and the filter component are both movably attached to the inner wall of the impurity removal box, and the limiting plate is arranged on the inner wall of the impurity removal box. And the limiting plate is fixedly connected with the impurity removing box. When impurities on the third filter plate, the second filter plate and the first filter plate need to be cleaned, the grid plate, the third filter plate, the second filter plate and the first filter plate are sequentially pulled out from the inside of the impurity removal box, and then the third filter plate, the second filter plate and the first filter plate can be cleaned. The problems that when impurities on a filter plate of existing pickling passivation recovery equipment need to be cleaned, the filter plate is pulled out of the side wall of an impurity removal box and then taken out, but pickling passivation liquid is prone to leaking from the side wall of the impurity removal box during filtering, and improvement is needed are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pickling passivation technical field, especially in kind of recycling's pickling passivation recovery equipment. BACKGROUND

[0002] The pickling passivation tank is an industrial equipment, which is used for pickling passivation treatment. In the pickling passivation tank, the metal workpiece is sprayed and cleaned by the liquid containing the acidic solution and the passivation agent to remove the surface dirt, oxide and grease, and at the same time, the passivation layer is formed on the surface to improve the corrosion resistance and mechanical strength of the metal. However, in the prior art, when the pickling passivation tank is used for pickling passivation processing, the pickling passivation liquid is not convenient to recycle and reuse.

[0003] The existing patent publication No. CN221440889U, entitled "recycling pickling passivation recovery equipment", proposes that by setting the impurity removal box, filter hole plate, pickling filter screen and microporous filter membrane, the used pickling passivation liquid can be finely filtered and stored in the recovery storage box. The filtered pickling passivation liquid can be reused in the passivation tank to prevent waste of pickling passivation liquid. By setting the mixing motor, intermediate shaft and stirring blade, the pickling liquid and passivation agent can be conveniently stirred to quickly and uniformly mix them.

[0004] When the above-mentioned patent needs to clean the impurities on the filter plate, the filter plate is pulled out from the side wall of the impurity removal box, and then the filter plate is taken out. However, this way makes the pickling passivation liquid easily leak from the side wall of the impurity removal box during filtration, which needs to be improved. Therefore, it is necessary to provide a recycling pickling passivation recovery equipment to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a recycling pickling passivation recovery equipment to solve the above-mentioned problems that the existing pickling passivation recovery equipment needs to clean the impurities on the filter plate by pulling the filter plate out from the side wall of the impurity removal box, and then taking out the filter plate. However, this way makes the pickling passivation liquid easily leak from the side wall of the impurity removal box during filtration, which needs to be improved.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a recycling pickling passivation recovery equipment, comprising an impurity removal box, a grid plate, a filter assembly and a limiting plate are sequentially arranged inside the impurity removal box from top to bottom, the grid plate and the filter assembly are movably attached to the inner wall of the impurity removal box, the limiting plate is fixedly connected with the impurity removal box, the middle part of the limiting plate is hollow, and the filter assembly is placed on the limiting plate.

[0007] The filtering assembly comprises a third filter plate, a second filter plate and a first filter plate arranged in sequence from top to bottom, gaps are formed between the grid plate and the third filter plate, the third filter plate, the second filter plate and the first filter plate are movably attached to the inner wall of the impurity removal box, the first filter plate is movably attached to the limiting plate, first sleeve rods are fixedly arranged at the four corners of the bottom of the second filter plate, first inserting rods are fixedly arranged at the four corners of the top of the first filter plate, the first sleeve rods movably sleeve the first inserting rods, second sleeve rods are fixedly arranged at the four corners of the top of the second filter plate, second inserting rods are fixedly arranged at the four corners of the bottom of the third filter plate, and the second sleeve rods movably sleeve the second inserting rods.

[0008] The middle portions of the third filter plate, the second filter plate and the first filter plate are respectively provided with filter holes, pickling filter screens and microporous filter membranes.

[0009] Preferably, hanging pieces are fixedly arranged at the two sides of the top of the grid plate, the end of the hanging piece is hung on the side wall of the impurity removal box, a first lifting ring is fixedly arranged at the top of the hanging piece, and second lifting rings are fixedly arranged at the two sides of the top of the third filter plate, the second filter plate and the first filter plate.

[0010] Preferably, an observation window is fixedly arranged on the side wall of the impurity removal box.

[0011] Preferably, a liquid outlet pipe is fixedly arranged on the side wall close to the bottom of the impurity removal box, the liquid outlet pipe and the inside of the impurity removal box are in communication with each other, a first valve is arranged on the liquid outlet pipe, a connecting pipe is further arranged in communication with the outer ring of the liquid outlet pipe, a second valve is arranged on the connecting pipe, a mounting plate is fixedly arranged on the side wall of the impurity removal box, a water pump is fixedly arranged at the top of the mounting plate, an auxiliary assembly is slidably arranged on the top of the impurity removal box through a power assembly, the auxiliary assembly and the water pump are connected with each other through a corrugated hose, and the corrugated hose is mounted on the output end of the water pump.

[0012] Preferably, the auxiliary assembly comprises a movable rod fixedly connected with the corrugated hose, a plurality of nozzles are fixedly arranged at the bottom of the movable rod at equal intervals, a flow distribution groove is fixedly arranged in the movable rod, and the corrugated hose, the flow distribution groove and the nozzles are in communication with each other.

[0013] Preferably, the power assembly comprises a support plate fixedly arranged on the side close to the top of the impurity removal box, a movable groove is fixedly arranged in the support plate, a lead screw is rotatably arranged in the movable groove, a movable block matched with the movable groove is threadedly connected to the outer ring of the lead screw, the movable block is fixedly connected with the movable rod, one end of the support plate extending out of the end of the impurity removal box is fixedly provided with a motor, and one end of the rotating shaft of the motor extending into the movable groove is fixedly connected with the lead screw.

[0014] The technical effects and advantages of the utility model are:

[0015] 1、When the impurities on the third filter plate, the second filter plate and the first filter plate need to be cleaned, the grid plate, the third filter plate, the second filter plate and the first filter plate are pulled out from the inside of the impurity removal box in turn, so that the third filter plate, the second filter plate and the first filter plate can be cleaned, and in this way, the problem that the pickling and passivation liquid is prone to leak from the side wall of the impurity removal box when the impurities on the filter plate need to be cleaned in the existing pickling and passivation recovery equipment is solved;

[0016] 2、The pickling and passivation waste liquid is filtered layer by layer through the filter holes on the third filter plate, the second filter plate and the first filter plate, the acid pickling filter screen and the microporous filter membrane, so that the filtering effect of the pickling and passivation waste liquid is improved;

[0017] 3、The first insertion rod, the first sleeve rod, the second sleeve rod and the second insertion rod are installed, so that the third filter plate, the second filter plate and the first filter plate can be placed in a stacked manner, and the third filter plate, the second filter plate and the first filter plate can be easily disassembled and cleaned, and the convenience of the equipment is improved;

[0018] 4、The power assembly and the auxiliary assembly are installed, the recovered pickling and passivation liquid is reasonably utilized, the purpose of saving resources is achieved, the workpiece can be uniformly pickled and passivated, and the practicability of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the pickling and passivation recovery equipment for recycling.

[0020] Figure 2 It is a structure schematic view of the power assembly and the auxiliary assembly.

[0021] Figure 3 It is an inside structure schematic view of the impurity removal box.

[0022] Figure 4 It is a split structure schematic view of the filtering assembly.

[0023] In the drawing: 1, impurity removal box; 2, limiting plate; 3, first filter plate; 4, second filter plate; 5, third filter plate; 6, first insertion rod; 7, first sleeve rod; 8, second sleeve rod; 9, second insertion rod; 10, grid plate; 11, hanging piece; 12, first lifting ring; 13, second lifting ring; 14, liquid outlet pipe; 15, first valve; 16, connecting pipe; 17, second valve; 18, water pump; 19, corrugated hose; 20, movable rod; 21, nozzle; 22, supporting plate; 23, motor; 24, screw rod; 25, observation window. 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 other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] The utility model provides a kind of recycling pickling passivation recovery equipment as Figures 1-4 As shown in a kind of recycling pickling passivation recovery equipment, including the impurity removal box 1, the inside of impurity removal box 1 is sequentially provided with grid plate 10, filter assembly and limit plate 2 from top to bottom, grid plate 10, filter assembly are all with the inner wall of impurity removal box 1 active adhesion, limit plate 2 and impurity removal box 1 are fixedly connected, the middle part of limit plate 2 is hollow, filter assembly is placed on limit plate 2, filter assembly includes third filter plate 5, second filter plate 4 and first filter plate 3 sequentially from top to bottom, grid plate 10 and third filter plate 5 are all with gap, third filter plate 5, second filter plate 4 and first filter plate 3 are all with the inner wall of impurity removal box 1 active adhesion, first filter plate 3 is with limit plate 2 active adhesion, the four corners of the bottom of second filter plate 4 are all fixedly provided with first sleeve rod 7, the four corners of the top of first filter plate 3 are all fixedly provided with first plug rod 6, first sleeve rod 7 is movably sleeved on the outside of first plug rod 6, the four corners of the top of second filter plate 4 are all fixedly provided with second sleeve rod 8, the four corners of the bottom of third filter plate 5 are all fixedly provided with second plug rod 9, second sleeve rod 8 is movably sleeved on the outside of second plug rod 9, the middle part of third filter plate 5, second filter plate 4 and first filter plate 3 is provided with filter hole, pickling filter screen and microporous filter membrane respectively.

[0026] When using the present recovery equipment, the workpiece is placed on the grid plate 10, and pickling passivation processing is carried out on it by the external spraying device, the pickling passivation waste liquid falls on the filter assembly through the grid plate 10, the filter assembly filters the pickling passivation waste liquid, and the pickling passivation waste liquid is filtered layer by layer through the filter hole, pickling filter screen and microporous filter membrane on the third filter plate 5, second filter plate 4 and first filter plate 3, thereby improving the filtering effect of the pickling passivation waste liquid, and the filtered pickling passivation liquid falls to the bottom of the impurity removal box 1 to wait for recycling, thereby achieving the purpose of saving resources.

[0027] When the impurities on the third filter plate 5, the second filter plate 4 and the first filter plate 3 need to be cleaned, the grid plate 10, the third filter plate 5, the second filter plate 4 and the first filter plate 3 are pulled out from the inside of the impurity removal box 1 in turn, and the third filter plate 5, the second filter plate 4 and the first filter plate 3 can be cleaned. In this way, the problem that the existing pickling and passivation recovery equipment needs to clean the impurities on the filter plate by pulling the filter plate out of the side wall of the impurity removal box 1 and then taking out the filter plate is solved. However, this method makes the pickling and passivation liquid easily leak from the side wall of the impurity removal box 1 during filtration, and therefore needs to be improved.

[0028] In addition, the installation of the first insertion rod 6, the first sleeve rod 7, the second sleeve rod 8 and the second insertion rod 9 facilitates the stacking of the third filter plate 5, the second filter plate 4 and the first filter plate 3, and facilitates the disassembly and cleaning of the third filter plate 5, the second filter plate 4 and the first filter plate 3, thereby improving the convenience of the equipment.

[0029] In order to have gaps between the grid plate 10 and the third filter plate 5 and facilitate the taking out of the grid plate 10 from the inside of the impurity removal box 1, a hanging piece 11 is fixedly arranged on both sides of the top of the grid plate 10, the end of the hanging piece 11 is hung on the side wall of the impurity removal box 1, a first lifting ring 12 is fixedly arranged on the top of the hanging piece 11, and the grid plate 10 can be taken out from the inside of the impurity removal box 1 by hooking the first lifting ring 12 with an external crane. In addition, a second lifting ring 13 is fixedly arranged on both sides of the top of the third filter plate 5, the second filter plate 4 and the first filter plate 3, and the third filter plate 5, the second filter plate 4 and the first filter plate 3 can be taken out from the inside of the impurity removal box 1 one by one by hooking the second lifting ring 13 with an external crane.

[0030] Further, an observation window 25 is fixedly arranged on the side wall of the impurity removal box 1, and the installation of the observation window 25 facilitates the observation of whether the filter assembly needs to be cleaned.

[0031] Further, an outlet pipe 14 is fixedly arranged on the side wall near the bottom of the impurity removal box 1, the outlet pipe 14 and the inside of the impurity removal box 1 are in communication with each other, a first valve 15 is arranged on the outlet pipe 14, a connecting pipe 16 is further communicatively arranged on the outer circle of the outlet pipe 14, a second valve 17 is arranged on the connecting pipe 16, an installation plate is fixedly arranged on the side wall of the impurity removal box 1, a water pump 18 is fixedly arranged on the top of the installation plate, an auxiliary assembly is slidably arranged on the top of the impurity removal box 1 through a power assembly, the auxiliary assembly and the water pump 18 are connected to each other through a corrugated hose 19, the corrugated hose 19 is installed on the output end of the water pump 18, the auxiliary assembly comprises a movable rod 20 fixedly connected with the corrugated hose 19, a plurality of nozzles 21 are fixedly arranged at equal intervals on the bottom of the movable rod 20, a flow divider groove is fixedly arranged in the inside of the movable rod 20, and the corrugated hose 19, the flow divider groove and the nozzles 21 are in communication with each other.

[0032] After the filtered acid pickling and passivation liquid falls to the bottom of the impurity removal box 1 and reaches a certain amount, the external pickling and passivation device is not used first, and the acid pickling and passivation liquid at the bottom of the impurity removal box 1 is used first. At this time, the second valve 17 is opened, the first valve 15 is closed, the water pump 18 is started, and the acid pickling and passivation liquid at the bottom of the impurity removal box 1 passes through the connecting pipe 16, the corrugated hose 19 and the flow dividing groove in turn, and is finally sprayed out through the nozzle 21 to perform pickling and passivation processing on the workpieces placed on the grid plate 10. Through the power assembly, the movable rod 20 is driven to displace on the grid plate 10, so that the workpieces are uniformly pickled and passivated.

[0033] When the acid pickling and passivation liquid cannot be reused, the first valve 15 is opened, the second valve 17 is closed, and the acid pickling and passivation liquid at the bottom of the impurity removal box 1 is discharged from the liquid outlet pipe 14 to the outside.

[0034] Further, the power assembly includes a support plate 22 fixedly arranged on the side close to the top of the impurity removal box 1. The inside of the support plate 22 is fixedly provided with a movable groove. A lead screw 24 is rotatably arranged in the inside of the movable groove. An activity block compatible with the movable groove is threadedly connected to the outer ring of the lead screw 24. The activity block and the movable rod 20 are fixedly connected. One end of the support plate 22 extending out of the end of the impurity removal box 1 is fixedly provided with a motor 23. The end of the rotating shaft of the motor 23 extending into the movable groove is fixedly connected with the lead screw 24.

[0035] The motor 23 is started to drive the lead screw 24 to rotate, thereby driving the activity block and the movable rod 20 to displace, so that the workpieces are uniformly pickled and passivated, and the practicality of the equipment is improved.

[0036] It should be noted that when the grid plate 10 needs to be pulled out, the movable rod 20 is located on the end of the support plate 22 extending out of the end of the impurity removal box 1, so as not to block the pulling out of the grid plate 10.

Claims

1. A reusable pickling and passivation recovery device, comprising a decontamination box (1), characterized in that: The interior of the de-dusting box (1) is provided with a grid plate (10), a filter assembly and a limit plate (2) in order from top to bottom. The grid plate (10) and the filter assembly are movably fitted with the inner wall of the de-dusting box (1). The limit plate (2) is fixedly connected to the de-dusting box (1). The middle of the limit plate (2) is hollow, and the filter assembly is placed on the limit plate (2). The filter assembly comprises a third filter plate (5), a second filter plate (4) and a first filter plate (3) arranged in sequence from top to bottom, a gap is provided between the grid plate (10) and the third filter plate (5), the third filter plate (5), the second filter plate (4) and the first filter plate (3) are all movably fitted with the inner wall of the de-dusting box (1), the first filter plate (3) is movably fitted with the limit plate (2), the four corners of the bottom of the second filter plate (4) are fixedly provided with a first sleeve rod (7), the four corners of the top of the first filter plate (3) are fixedly provided with a first insertion rod (6), the first sleeve rod (7) is movably sleeved on the outside of the first insertion rod (6), the four corners of the top of the second filter plate (4) are fixedly provided with a second sleeve rod (8), the four corners of the bottom of the third filter plate (5) are fixedly provided with a second insertion rod (9), the second sleeve rod (8) is movably sleeved on the outside of the second insertion rod (9); The middle parts of the third filter plate (5), the second filter plate (4) and the first filter plate (3) are respectively provided with filter holes, acid-washed filter screens and microporous filter membranes.

2. The reusable pickling and passivation recovery equipment according to claim 1, characterized in that: Hangers (11) are fixedly provided on both sides of the top of the grid plate (10), the ends of the hangers (11) are hung on the side walls of the de-dusting box (1), and a first hanging ring (12) is fixedly provided on the top of the hangers (11). Second hanging rings (13) are fixedly provided on both sides of the tops of the third filter plate (5), the second filter plate (4) and the first filter plate (3).

3. The reusable pickling and passivation recovery equipment according to claim 2, characterized in that: An observation window (25) is fixedly provided on the side wall of the impurity removal box (1).

4. The reusable pickling and passivation recovery equipment according to claim 3, characterized in that: A liquid outlet pipe (14) is fixedly provided on the side wall near the bottom of the de-impurity box (1), the liquid outlet pipe (14) and the interior of the de-impurity box (1) are communicated with each other, a first valve (15) is provided on the liquid outlet pipe (14), and a connecting pipe (16) is also provided at the outer ring of the liquid outlet pipe (14), and a second valve (17) is provided on the connecting pipe (16). A mounting plate is fixedly provided on the side wall of the de-impurity box (1), a water pump (18) is fixedly provided on the top of the mounting plate, an auxiliary component is slidably provided on the top of the de-impurity box (1) through a power component, and the auxiliary component and the water pump (18) are connected with each other through a corrugated hose (19), and the corrugated hose (19) is installed on the output end of the water pump (18).

5. The reusable pickling and passivation recovery equipment according to claim 4, characterized in that: The auxiliary component comprises a movable rod (20) fixedly connected to the corrugated hose (19); a plurality of nozzles (21) arranged at equal intervals are fixedly provided at the bottom of the movable rod (20); a diversion groove is fixedly provided inside the movable rod (20); and the corrugated hose (19), the diversion groove and the nozzles (21) are interconnected.

6. The reusable pickling and passivation recovery equipment according to claim 5, characterized in that: The power assembly includes a support plate (22), the support plate (22) is fixedly arranged on the side surface close to the top of the de-cluttering box (1), a movable groove is fixedly arranged inside the support plate (22), a screw rod (24) is rotatably arranged inside the movable groove, a movable block adapted to the movable groove is threadedly connected to the outer ring of the screw rod (24), the movable block and the movable rod (20) are fixedly connected, one end of the support plate (22) extending out of the end of the de-cluttering box (1) is fixedly arranged with a motor (23), and one end of the rotating shaft of the motor (23) that movably extends into the movable groove is fixedly connected to the screw rod (24).

Citation Information

Patent Citations

  • Pickling passivation recovery equipment capable of being recycled

    CN221440889U