Tunnel type negative pressure sealing pickling room

Abstract

The utility model discloses a tunnel type negative pressure sealing pickling room which comprises a pickling room body, the back face of the pickling room body is fixedly connected with a processing box, the top end of the processing box is fixedly connected with an air inlet pipe, the bottom end of the air inlet pipe is fixedly connected with a four-way pipe, and the end, away from the air inlet pipe, of the four-way pipe is fixedly connected with a connecting pipe. The end, away from the four-way pipe, of the connecting pipe is fixedly connected with a flow dividing barrel. According to the acid mist treatment device, acid mist is conveyed into the treatment box through the air inlet pipe, is shunted through the four-way pipe and enters the shunting barrel through the connecting pipe, treatment liquid is arranged at the bottom of the treatment box, acid mist absorption is achieved, untreated acid mist is moved out through the shunting holes and is in a bubble state, and therefore the contact area between the acid mist and the treatment liquid is increased, and the treatment effect is improved. And the fan is started, so that negative pressure suction force is formed in the air supply box, air in the treatment box is sucked into the return pipe from the air outlet and is sprayed out through the air distribution plate, secondary treatment is implemented, and the treatment effect of the acid mist is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pickling rooms, in particular to a tunnel-type negative pressure sealed pickling room. Background Art

[0002] A pickling room is a specialized facility for the pickling process, which uses an acid solution to remove scale, rust, and other contaminants from metal surfaces such as steel. This process is typically performed in a pickling room to ensure safety and efficiency.

[0003] According to publication number CN218077215U, a hot-dip galvanizing pickling room is disclosed. When in use, the device powers a fan and a hydraulic pump through an external power supply. The fan is turned on to guide the acid mist in the pickling room body into the box through a first conduit, and the acid mist passes through the top of the first guide plate and the right side of the baffle. The hydraulic pump is turned on to spray the treatment liquid below the inner cavity of the box through the second connecting pipe, the first connecting pipe, the liquid separation pipe and the nozzle to the right side of the baffle to treat the acid liquid. The treated acid mist is then discharged from the second conduit through the fan.

[0004] The above-mentioned nozzle and other structures can be used to treat acid mist. However, since the acid mist has a certain fluidity and the fan and nozzle are in the same chamber, some of the acid mist may not be completely absorbed after being sprayed by the nozzle and will still cause pollution to the environment after being discharged through the fan. Utility Model Content

[0005] The purpose of the utility model is to provide a tunnel-type negative pressure sealed pickling room to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a tunnel-type negative pressure sealed pickling room, comprising a pickling room main body, a treatment box fixedly connected to the back of the pickling room main body, an air intake pipe fixedly connected to the top of the treatment box, an air intake pipe fixedly connected to the bottom end of the air intake pipe, an end of the four-way pipe away from the air intake pipe is fixedly connected to a connecting pipe, an end of the connecting pipe away from the four-way pipe is fixedly connected to a diversion cylinder, a diversion hole is provided on the surface of the diversion cylinder, an air outlet is provided on the left side of the treatment box, an air supply box is fixedly connected to a side of the treatment box close to the air outlet, a filter is provided inside the air supply box, a fan is fixedly connected to the inner wall of the air supply box, a return pipe is fixedly connected to a side of the air supply box away from the treatment box, and an air distribution plate is fixedly connected to an end of the return pipe away from the air supply box.

[0007] As a further preferred embodiment of the present technical solution, the air inlet pipe is fixedly connected to the pickling room body, three connecting pipes are provided, the number of the diversion cylinder and the connecting pipes corresponds to each other, the fan is located on the side of the filter away from the processing box, and the air distribution plate is located inside the processing box.

[0008] As a further preferred embodiment of the present technical solution, the inner wall of the processing box is fixedly connected to a spray plate, the side of the spray plate away from the air distribution plate is fixedly connected to a first liquid inlet pipe, the end of the first liquid inlet pipe away from the spray plate is fixedly connected to a first water pump, the bottom end of the first water pump is fixedly connected to a first liquid storage tank, and the top end of the first liquid storage tank is fixedly connected to a first bent pipe.

[0009] As a further preferred embodiment of the present technical solution, a rotating seat is fixedly connected to the side of the pickling room body away from the processing box, a door body is rotatably connected inside the rotating seat, and a handle is fixedly connected to the side of the door body away from the pickling room body.

[0010] As a further preferred embodiment of the present technical solution, a rinsing tank is provided inside the pickling room body, a pickling tank is provided inside the pickling room body, and a placement rack is provided inside the pickling tank.

[0011] As a further preferred embodiment of the present technical solution, a second liquid storage tank is fixedly connected to the left side of the pickling room main body, a second elbow is fixedly connected to the top of the second liquid storage tank, an end of the second elbow away from the second liquid storage tank is fixedly connected to a second water pump, the top of the second water pump is fixedly connected to a second liquid inlet pipe, an end of the second liquid inlet pipe away from the second water pump is fixedly connected to a conduit, the bottom end of the conduit is fixedly connected to a liquid distribution pipe, and the top end of the conduit is fixedly connected to a connecting frame.

[0012] As a further preferred embodiment of the present technical solution, the conduit is located inside the pickling room body, a plurality of the liquid distribution pipes are provided, a nozzle is provided at the bottom end of the plurality of liquid distribution pipes, and the connecting frame is fixedly connected to the pickling room body.

[0013] The utility model provides a tunnel-type negative pressure sealed pickling room, which has the following beneficial effects:

[0014] (1) The utility model transports the acid mist inside the main body of the pickling room to the treatment box through the air inlet pipe, the acid mist is diverted through the four-way pipe, and enters the inside of the diversion cylinder through the connecting pipe. A treatment liquid is provided at the bottom of the treatment box. After the acid mist enters the diversion cylinder, it reacts with the treatment liquid, thereby realizing the absorption of the acid mist. The untreated acid mist is removed through the diversion hole and is in a bubble state, thereby increasing the contact area with the treatment liquid, and starting the fan to form a negative pressure suction in the air supply box, sucking the gas in the treatment box from the air outlet into the return pipe, and spraying it out through the air distribution plate, implementing secondary treatment, and thereby improving the treatment effect of the acid mist.

[0015] (2) The utility model places the pickling tank, rinsing tank, etc. uniformly inside the pickling room body, and sets a door body on the front of the pickling room body, which is opened only when loading and unloading materials. The door body adopts an embedded design, and a sealing strip is set on the outer circle of the door to ensure the sealing effect between the door body and the pickling room body, so that the pickling room body forms a fully enclosed structure to avoid leakage of acid mist. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the pickling room main body of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the pickling tank and the liquid distribution pipe of the utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the processing box of the present utility model;

[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the air supply box of the present utility model.

[0021] In the figure: 1. Pickling room body; 2. Processing box; 3. Air inlet pipe; 4. Cross-way pipe; 5. Connecting pipe; 6. Diverter cylinder; 7. Diverter hole; 8. Air outlet; 9. Air supply box; 10. Filter; 11. Fan; 12. Return pipe; 13. Air distribution plate; 14. Spray plate; 15. First liquid inlet pipe; 16. First water pump; 17. First liquid storage tank; 18. First elbow; 19. Rotating seat; 20. Door; 21. Handle; 22. Rinse tank; 23. Pickling tank; 24. Placement rack; 25. Second liquid storage tank; 26. Second elbow; 27. Second water pump; 28. Second liquid inlet pipe; 29. ​​Conduit; 30. Liquid distribution pipe; 31. Connecting rack. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 1 and Figure 5As shown, in this embodiment, a tunnel-type negative pressure sealed pickling room includes a pickling room main body 1, a processing box 2 is fixedly connected to the back of the pickling room main body 1, an air inlet pipe 3 is fixedly connected to the top of the processing box 2, and a four-way pipe 4 is fixedly connected to the bottom end of the air inlet pipe 3. The end of the four-way pipe 4 away from the air inlet pipe 3 is fixedly connected to a connecting pipe 5, and the end of the connecting pipe 5 away from the four-way pipe 4 is fixedly connected to a diversion cylinder 6, and a diversion hole 7 is provided on the surface of the diversion cylinder 6. An air outlet 8 is provided on the left side of the processing box 2, and an air supply box 9 is fixedly connected to the side of the processing box 2 close to the air outlet 8. A filter screen 10 is provided inside the air supply box 9, and a fan 11 is fixedly connected to the inner wall of the air supply box 9. The side of the air supply box 9 away from the processing box 2 is fixedly connected to a return pipe 12, and the end of the return pipe 12 away from the air supply box 9 is fixedly connected to an air distribution plate 13.

[0024] The acid mist inside the pickling room main body 1 is transported to the treatment box 2 through the air inlet pipe 3, the acid mist is diverted through the four-way pipe 4, and enters the diversion cylinder 6 through the connecting pipe 5. A treatment liquid is provided at the bottom of the treatment box 2. After the acid mist enters the diversion cylinder 6, it reacts with the treatment liquid, thereby realizing the absorption of the acid mist. The untreated acid mist is removed through the diversion hole 7 and is in a bubble state, thereby increasing the contact area with the treatment liquid, and the fan 11 is started to form a negative pressure suction force in the air supply box 9, and the gas in the treatment box 2 is sucked into the return pipe 12 from the air outlet 8. The air pressure in the treatment box 2 is reduced, thereby prompting the internal gas of the pickling room main body 1 to enter the treatment box 2, so that it maintains a slightly negative pressure state and prevents the acid mist from escaping. The acid mist flows through the return pipe 12 and is ejected through the air distribution plate 13 to implement secondary treatment, thereby improving the treatment effect of the acid mist.

[0025] The air inlet pipe 3 is fixedly connected to the pickling room body 1. There are three connecting pipes 5, and the number of diversion cylinders 6 corresponds to the number of connecting pipes 5. The fan 11 is located on the side of the filter 10 away from the processing box 2, and the air distribution plate 13 is located inside the processing box 2.

[0026] The inner wall of the processing box 2 is fixedly connected to a spray plate 14, and the side of the spray plate 14 away from the air distribution plate 13 is fixedly connected to a first liquid inlet pipe 15, and the end of the first liquid inlet pipe 15 away from the spray plate 14 is fixedly connected to a first water pump 16, and the bottom end of the first water pump 16 is fixedly connected to a first liquid storage tank 17, and the top end of the first liquid storage tank 17 is fixedly connected to a first bent pipe 18.

[0027] A rotating seat 19 is fixedly connected to the side of the pickling room body 1 away from the processing box 2. A door body 20 is rotatably connected inside the rotating seat 19. A handle 21 is fixedly connected to the side of the door body 20 away from the pickling room body 1.

[0028] A rinsing tank 22 is provided inside the pickling room main body 1 , a pickling tank 23 is provided inside the pickling room main body 1 , and a placement rack 24 is provided inside the pickling tank 23 .

[0029] By placing the pickling tank 23, rinsing tank 22, etc. uniformly inside the pickling room main body 1, and setting a door body 20 on the front of the pickling room main body 1, which is only opened when loading and unloading, and the door body 20 adopts an embedded design, and a sealing strip is set on the outer circle of the door body 20 to ensure the sealing effect between the door body 20 and the pickling room main body 1, the pickling room main body 1 forms a fully enclosed structure to avoid leakage of acid mist. A grabbing and moving device can be set inside the pickling room main body 1 to realize the movement of products between the pickling tank 23 and the rinsing tank 22, etc., thereby reducing the opening and closing of the door body 20.

[0030] A second liquid storage tank 25 is fixedly connected to the left side of the pickling room main body 1, a second elbow 26 is fixedly connected to the top of the second liquid storage tank 25, an end of the second elbow 26 away from the second liquid storage tank 25 is fixedly connected to a second water pump 27, a second liquid inlet pipe 28 is fixedly connected to the top of the second water pump 27, an end of the second liquid inlet pipe 28 away from the second water pump 27 is fixedly connected to a conduit 29, a liquid distribution pipe 30 is fixedly connected to the bottom end of the conduit 29, and a connecting frame 31 is fixedly connected to the top of the conduit 29.

[0031] The conduit 29 is located inside the pickling room body 1 , and a plurality of liquid distribution pipes 30 are provided. Spray nozzles are provided at the bottom ends of the plurality of liquid distribution pipes 30 . The connecting frame 31 is fixedly connected to the pickling room body 1 .

[0032] The utility model provides a tunnel-type negative pressure sealed pickling room, the specific working principle of which is as follows:

[0033] When in use, pull the handle 21 to open the door body 20, place the product to be processed on the placement rack 24 of the pickling tank 23, and close the door body 20 again, start the second water pump 27, and pump the pickling liquid in the second liquid storage tank 25 into the second liquid inlet pipe 28 through the second bend pipe 26, and transport it to the inside of the conduit 29, and spray it out through the nozzle at the bottom of the liquid distribution pipe 30, so as to spray the processed product. The waste liquid after spraying flows to the bottom of the pickling tank 23 through the gap on the placement rack 24, which is convenient for unified recovery. At the same time, the acid mist generated by the spraying is transported to the processing box 2 through the air inlet pipe 3, and the acid mist is diverted through the four-way pipe 4 and enters the diversion cylinder through the connecting pipe 5 Inside the body 6, a treatment liquid is provided at the bottom of the treatment box 2. After the acid mist enters the diversion cylinder 6, it reacts with the treatment liquid, thereby realizing the absorption of the acid mist. The untreated acid mist is removed through the diversion hole 7 and is in a bubble state, thereby increasing the contact area with the treatment liquid, and starting the fan 11 to form a negative pressure suction in the air supply box 9, sucking the gas in the treatment box 2 from the air outlet 8 into the return pipe 12, and spraying it through the air distribution plate 13, and at the same time starting the first water pump 16 to pump the treatment liquid in the first liquid storage tank 17 into the spray plate 14, and spraying the gas to realize secondary treatment. After the treatment is completed, open the solenoid valve in the air outlet pipe at the top of the treatment box 2 to discharge the gas.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tunnel-type negative pressure sealed pickling room, comprising a pickling room body (1), characterized in that: The back of the pickling room body (1) is fixedly connected to a treatment box (2), the top of the treatment box (2) is fixedly connected to an air inlet pipe (3), the bottom of the air inlet pipe (3) is fixedly connected to a four-way pipe (4), the end of the four-way pipe (4) away from the air inlet pipe (3) is fixedly connected to a connecting pipe (5), the end of the connecting pipe (5) away from the four-way pipe (4) is fixedly connected to a diversion cylinder (6), the surface of the diversion cylinder (6) is provided with a diversion hole (7), An air outlet (8) is provided on the left side of the processing box (2), and an air supply box (9) is fixedly connected to the side of the processing box (2) close to the air outlet (8), a filter (10) is provided inside the air supply box (9), and a fan (11) is fixedly connected to the inner wall of the air supply box (9), and a return pipe (12) is fixedly connected to the side of the air supply box (9) away from the processing box (2), and an air distribution plate (13) is fixedly connected to the end of the return pipe (12) away from the air supply box (9).

2. The tunnel-type negative pressure sealed pickling room according to claim 1, characterized in that: The air inlet pipe (3) is fixedly connected to the pickling room body (1), the number of the connecting pipes (5) is three, the number of the diversion cylinder (6) and the number of the connecting pipes (5) correspond to each other, the fan (11) is located on the side of the filter (10) away from the processing box (2), and the air distribution plate (13) is located inside the processing box (2).

3. The tunnel-type negative pressure sealed pickling room according to claim 1, characterized in that: The inner wall of the treatment box (2) is fixedly connected to a spray plate (14), a side of the spray plate (14) away from the air distribution plate (13) is fixedly connected to a first liquid inlet pipe (15), an end of the first liquid inlet pipe (15) away from the spray plate (14) is fixedly connected to a first water pump (16), the bottom end of the first water pump (16) is fixedly connected to a first liquid storage tank (17), and the top end of the first liquid storage tank (17) is fixedly connected to a first curved pipe (18).

4. The tunnel-type negative pressure sealed pickling room according to claim 1, characterized in that: A rotating seat (19) is fixedly connected to the side of the pickling room body (1) away from the processing box (2), a door body (20) is rotatably connected inside the rotating seat (19), and a handle (21) is fixedly connected to the side of the door body (20) away from the pickling room body (1).

5. The tunnel-type negative pressure sealed pickling room according to claim 1, characterized in that: A rinsing tank (22) is provided inside the pickling room main body (1), a pickling tank (23) is provided inside the pickling room main body (1), and a placement rack (24) is provided inside the pickling tank (23).

6. The tunnel-type negative pressure sealed pickling room according to claim 1, characterized in that: The left side of the pickling room body (1) is fixedly connected to a second liquid storage tank (25), the top of the second liquid storage tank (25) is fixedly connected to a second curved pipe (26), the end of the second curved pipe (26) away from the second liquid storage tank (25) is fixedly connected to a second water pump (27), the top of the second water pump (27) is fixedly connected to a second liquid inlet pipe (28), the end of the second liquid inlet pipe (28) away from the second water pump (27) is fixedly connected to a conduit (29), the bottom end of the conduit (29) is fixedly connected to a liquid distribution pipe (30), and the top end of the conduit (29) is fixedly connected to a connecting frame (31).

7. The tunnel-type negative pressure sealed pickling room according to claim 6, characterized in that: The conduit (29) is located inside the pickling room body (1), a plurality of the liquid distribution pipes (30) are provided, and nozzles are provided at the bottom ends of the plurality of liquid distribution pipes (30), and the connecting frame (31) is fixedly connected to the pickling room body (1).

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