CN211170896U

CN211170896U - Surface treatment equipment for galvanized steel sheet

Info

Publication number: CN211170896U
Application number: CN201921097386.7U
Authority: CN
Inventors: 饶晓霞
Original assignee: Shanghai Fengye Chemical Co ltd
Current assignee: Shanghai Fengye Chemical Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-08-04
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a galvanized steel sheet surface treatment device, which comprises a main body, wherein a feed inlet and a discharge outlet are arranged on two side walls of the main body, an upper baffle and a lower baffle are fixedly arranged in the main body, the upper baffle is fixedly connected with an infrared emitter, the lower baffle is fixedly connected with an infrared receiver, the inner wall of the main body is fixedly connected with a sprayer through a connecting block, the outer wall of the upper side of the main body is fixedly provided with a liquid suction pump, the liquid suction pump is communicated with the sprayer through a pipeline, a liquid storage tank is fixedly arranged between the lower baffle and the side wall where the feed inlet is positioned, the liquid storage tank is communicated with the liquid suction pump through a pipeline, a No. I water spray head is fixedly arranged on the upper part of the side wall where the discharge outlet is positioned, a No. II water spray head is fixedly arranged on the lower part of the side wall where the, improve the quality of the galvanized steel sheet.

Description

Surface treatment equipment for galvanized steel sheet

Technical Field

The utility model relates to a steel sheet processing technology field especially relates to a surface treatment equipment of galvanized steel sheet.

Background

Galvanized plates are generally subjected to hot dip galvanizing treatment, a layer of zinc liquid is adhered to the surfaces of the steel plates, galvanizing is an anti-corrosion measure for the steel plates, a cathode protection mechanism of zinc is utilized to prevent iron from being corroded and damaged, steel structures are only dependent on zinc or are difficult to achieve an ideal protection effect in a long-term construction process, most factories use phosphoric acid to coat the surfaces of the galvanized plates to form passivation layers to protect the galvanized plates, the phosphoric acid solution on the galvanized plates must be washed clean within 3-6 minutes, otherwise, the phosphoric acid further erodes the galvanized plates, and the thicknesses of the galvanized plates are inconsistent.

In the prior art, galvanized plates are treated by adopting a mode of firstly spraying and then washing, the positions of the sprayed zinc plates are always in sequence, when all the surfaces of the zinc plates are uniformly sprayed, and then the zinc plates are washed, the residence time of phosphoric acid solution at certain positions on the zinc plates exceeds the specified time, so that the thickness of zinc layers of the galvanized plates is inconsistent, and the quality of the zinc plates is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can even spraying and wash the surface treatment equipment who removes galvanized steel sheet of phosphoric acid.

In order to realize the above object, the technical scheme of the utility model is that:

a surface treatment device for galvanized steel sheets comprises a main body, wherein the main body is arranged in a hollow manner, a feed inlet is arranged on the outer wall of one side of the main body, a discharge outlet corresponding to the position of the feed inlet is arranged on the outer wall of one side of the main body, which is far away from the feed inlet, an upper baffle is fixedly connected to the inner wall of the top of the main body, a lower baffle is fixedly connected to the inner wall of the bottom of the main body, the upper baffle and the lower baffle are parallel to the two side walls of the main body, an infrared emitter is fixedly connected to one end of the upper baffle, which is far away from the top wall of the main body, an infrared receiver is fixedly connected to one end of the lower baffle, which is far away from the bottom wall of the main body, a sprayer is fixedly connected to the inner wall of the top of, main part top outer wall fixed mounting has the drawing liquid pump, the drawing liquid pump with the spray thrower outer wall opening passes through the pipeline intercommunication, down the baffle with the fixed reservoir that is provided with between the lateral wall of feed inlet place, the horizontal fixed first filter screen that is provided with in reservoir top, the reservoir is close to feed inlet place lateral wall one end is opened there is the liquid outlet, the fixed second filter screen that is provided with on the liquid outlet, the liquid outlet with the drawing liquid pump passes through the pipeline intercommunication, the fixed sprinkler bead that is provided with in discharge gate place lateral wall upper portion, the fixed sprinkler bead that is provided with in discharge gate place lateral wall lower part No. II, No. I sprinkler bead, No. II sprinkler bead external water pipe, the discharge gate place lateral wall is opened to the bottom has the waste liquid.

Further, the upper baffle and the lower baffle are arranged between the upper inner wall and the lower inner wall of the main body.

Furthermore, the infrared transmitter and the infrared receiver have a waterproof function.

Further, the feed inlet and the discharge outlet are square, the upper part and the lower part of the two side walls of the feed inlet and the discharge outlet are connected with a roller in a rolling mode, and the roller is driven to rotate by electric power.

Furthermore, the sprayer is square, and the inner wall of the upper side and the inner wall of the lower side of the sprayer are fixedly connected with spray heads.

Furthermore, an included angle of 45-60 degrees is formed between the opening of the No. I water spraying head and the upper baffle, and an included angle of 45-60 degrees is formed between the opening of the No. II water spraying head and the lower baffle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the galvanized plate is sprayed in a mode that the spraying ring is fixed and the galvanized plate moves, after a period of spraying, the galvanized plate moves to a washing area, the part sprayed firstly is washed with water firstly, and the time for phosphoric acid solution to attach to each part of the galvanized plate is the same.

2. A liquid storage tank is arranged below the spraying ring, and the part overflowed by the spraying phosphoric acid can flow into the liquid storage tank, so that the recycling of the phosphoric acid solution is realized.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of a surface treatment apparatus for a galvanized steel sheet according to the present invention;

FIG. 2 is a schematic diagram of a cross-sectional structure of a right side view of a sprayer in the surface treatment equipment for galvanized steel sheets according to the present invention;

FIG. 3 is a schematic view of a cross-sectional structure of a galvanized steel sheet feeding right side in a surface treatment apparatus of the present invention.

Description of the figure numbering: 1. the main part, 2, the feed inlet, 3, the discharge gate, 4, the roller, 5, go up the baffle, 6, baffle down, 51, infrared emitter, 61, infrared receiver, 7, the connecting block, 8, the shower, 81, opening, 82, shower nozzle, 9, drawing liquid pump, 10, the reservoir, 101, first filter screen, 102, the liquid outlet, 103, the second filter screen, 11, the No. I sprinkler bead, 12, the No. II sprinkler bead, 13, the waste liquid export.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in fig. 1-3, a surface treatment device for galvanized steel sheets comprises a main body 1, wherein the main body 1 is hollow, a feed inlet 2 is arranged on one side wall of the main body 1, a discharge outlet 3 corresponding to the feed inlet 2 is arranged on one side wall of the main body 1 away from the feed inlet 2, and galvanized sheets enter from the feed inlet 2 and are discharged from the discharge outlet 3 after being sprayed and washed; the inner wall of the top of the main body 1 is fixedly connected with an upper baffle 5, the inner wall of the bottom of the main body 1 is fixedly connected with a lower baffle 6, the upper baffle 5 and the lower baffle 6 are parallel to the two side walls of the main body 1, and the upper baffle 5 and the lower baffle 6 separate a spraying area from a washing area; an infrared emitter 51 is fixedly connected to one end, far away from the top wall of the main body, of the upper baffle 5, an infrared receiver 61 is fixedly connected to one end, far away from the bottom wall of the main body, of the lower baffle 6, when the steel plate moves between the upper baffle 5 and the lower baffle 6, infrared rays can be blocked, and the infrared receiver 61 can send a signal; the inner wall of the top of the main body 1 is fixedly connected with a sprayer 8 through a connecting block 7, the sprayer 8 is positioned between the side wall where the feed inlet 2 is positioned and the upper baffle 5, the sprayer 8 is hollow, the outer wall of the sprayer 8 is provided with an opening 81, the inner wall of the sprayer 8 is fixedly communicated with a spray head 82, the outer wall of the top of the main body 1 is fixedly provided with a liquid pump 9, the liquid pump 9 is communicated with the opening 81 of the outer wall of the sprayer through a pipeline, a liquid storage tank 10 is fixedly arranged between the lower baffle 6 and the side wall where the feed inlet 2 is positioned, the top of the liquid storage tank 10 is transversely and fixedly provided with a first filter screen 101, one end of the liquid storage tank 10 close to the side wall where the feed inlet 2 is positioned is provided with a liquid outlet 102, the liquid outlet 102 is, then the liquid pumped into the pump is input into the spray ring 8, and then the liquid is sprayed out through the spray nozzles 82 on the spray ring 8; the upper part of the side wall where the discharge port 3 is located is fixedly provided with a No. I water spraying head 12, the lower part of the side wall where the discharge port 3 is located is fixedly provided with a No. II water spraying head 12, the No. I water spraying head 11 and the No. II water spraying head 12 are externally connected with a water pipe, the bottom end of the side wall where the discharge port 3 is located is provided with a waste liquid outlet 13, and water sprayed by the No. I water spraying head 11 and the No. II water spraying head 12 can flow out of.

The upper baffle 5 and the lower baffle 6 are arranged between the top inner wall and the bottom inner wall of the main body 1, and divide the inner space of the main body 1 into two parts.

The infrared emitter 51 and the infrared receiver 61 have a waterproof function, and are prevented from being damaged by moisture in the water-washed region.

The feeding port 2 and the discharging port 3 are square, the upper part and the lower part of the two side walls of the feeding port 2 and the discharging port 3 are connected with the roller 4 in a rolling mode, a steel plate can be clamped tightly, the roller 4 is driven to rotate through electric power, the steel plate enters from the feeding port 2 under the driving of the roller 4 and is output from the discharging port 3.

The sprayer 8 is square, and the spray heads 82 are fixedly connected to the inner wall of the upper side and the inner wall of the lower side of the sprayer 8, so that the surface of the steel plate is uniformly sprayed.

An included angle of 45-60 degrees is formed between the opening of the No. I sprinkler head 11 and the upper baffle, an included angle of 45-60 degrees is formed between the opening of the No. II sprinkler head 12 and the lower baffle, water rushes towards the opposite direction of the movement of the steel plate, and the flushed area can not be stained with phosphoric acid any more.

The specific implementation process comprises the following steps:

the roller 4 is driven by electric power, the roller 4 rotates to drive the steel plate to move forward, the rollers 4 are arranged on the upper and lower parts of the side wall of the feed inlet 2 and the discharge outlet 3, the steel plate is clamped and cannot incline, after a part of the steel plate enters the main body 1, the liquid pump 9 extracts phosphoric acid in the liquid storage tank 10 and pumps the phosphoric acid into the sprayer 8, the phosphoric acid is sprayed out by the nozzles 82 on the inner wall of the sprayer 8 to spray the steel plate, the sprayer 8 is square and corresponds to the cross-sectional shape of the steel plate, the spray heads 82 are fixedly arranged on the upper and lower inner walls of the sprayer 8 and can uniformly spray the surface of the steel plate, the phosphoric acid overflowing the sprayer 8 flows downwards into the liquid storage tank 10 to realize the recovery of the phosphoric acid, the first filter screen 101 is transversely arranged on the upper part of the liquid storage tank 10 to prevent impurities from leaking into the liquid storage tank 10, the second filter screen 103, the steel plate part through the sprayer 8 continues to move forward to the upper baffle 5, between the lower baffle 6, be provided with infrared emitter 51 and infrared receiver 61 between the upper and lower baffle, block the infrared ray when the steel plate, infrared receiver 61 signals, open No. I sprinkler bead 11 and No. II sprinkler bead 12, wash the steel plate comprehensively, No. I sprinkler bead 11 is 60 contained angles with the upper baffle, No. II sprinkler bead 12 is 60 contained angles with the lower baffle, No. I sprinkler bead 11, No. II sprinkler bead 12 water spray direction is 120 with the steel plate direction of advance, through the part that washes, can not be sprayed by the water again, waste water after the washing is discharged by waste liquid outlet 13, after washing, the steel plate moves forward until discharge gate 3, roller 4 on the discharge gate 3 rotates, convey the steel plate out main part 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The surface treatment equipment for the galvanized steel sheet comprises a main body (1), wherein the main body is arranged in a hollow manner, a feed inlet (2) is formed in the outer wall of one side of the main body (1), a discharge outlet (3) corresponding to the position of the feed inlet (2) is formed in the outer wall of one side, far away from the feed inlet (2), of the main body (1), the inner wall of the top of the main body (1) is fixedly connected with an upper baffle (5), the inner wall of the bottom of the main body (1) is fixedly connected with a lower baffle (6), the upper baffle (5) and the lower baffle (6) are parallel to the two side walls of the main body (1), one end, far away from the top wall of the main body (1), of the upper baffle (5) is fixedly connected with an infrared emitter (51), one end, far away from the bottom wall of the main body (1), of the baffle (6) is fixedly connected with an infrared, the spray thrower (8) is positioned between the side wall where the feed inlet (2) is positioned and the upper baffle (5), the spray thrower (8) is arranged in a hollow mode, the outer wall of the spray thrower (8) is provided with an opening (81), the inner wall of the spray thrower (8) is communicated with the spray head (82), the outer wall of the top of the main body (1) is fixedly provided with a liquid pump (9), the liquid pump (9) is communicated with the outer wall opening (81) of the spray thrower through a pipeline, a liquid storage tank (10) is fixedly arranged between the lower baffle (6) and the side wall where the feed inlet (2) is positioned, the top of the liquid storage tank (10) is transversely and fixedly provided with a first filter screen (101), the liquid storage tank (10) is close to a liquid outlet (102) at one end of the side wall where the feed inlet (2) is positioned, the liquid outlet (102) is, liquid outlet (102) with drawing liquid pump (9) pass through the pipeline intercommunication, discharge gate (3) place lateral wall upper portion is fixed and is provided with No. I sprinkler bead (11), discharge gate place lateral wall lower part is fixed and is provided with No. II sprinkler bead (12), No. I sprinkler bead (11), No. II sprinkler bead (12) external water pipe, discharge gate (3) place main part (1) lateral wall lower extreme is opened there is waste liquid export (13).

2. The surface treatment equipment for the galvanized steel sheet according to claim 1, characterized in that the upper baffle (5) and the lower baffle (6) are arranged between the top inner wall and the bottom inner wall of the main body (1).

3. The surface treatment apparatus for a galvanized steel sheet according to claim 1, characterized in that the infrared emitter (51) and the infrared receiver (61) are waterproof infrared mechanisms.

4. The surface treatment equipment for the galvanized steel sheet according to claim 1, characterized in that the feeding port (2) and the discharging port (3) are square, the upper and lower parts of the two side walls of the feeding port (2) and the discharging port (3) are connected with a roller (4) in a rolling manner, and the roller (4) is driven to rotate by electric power.

5. The surface treatment equipment for galvanized steel sheets according to claim 1, characterized in that the sprayer (8) has a square shape, and the upper inner wall and the lower inner wall of the sprayer (8) are fixedly communicated with two spray heads (82), respectively.

6. The surface treatment equipment for the galvanized steel sheet according to claim 1, wherein the opening of the No. I sprinkler head (11) forms an included angle of 45-60 degrees with the upper baffle plate, and the opening of the No. II sprinkler head (12) forms an included angle of 45-60 degrees with the lower baffle plate.