CN215030222U

CN215030222U - Surface rust-proof treatment equipment for square and rectangular pipes

Info

Publication number: CN215030222U
Application number: CN202120958879.6U
Authority: CN
Inventors: 黎勇平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-07
Anticipated expiration: 2031-05-07

Abstract

The utility model relates to the technical field of machining, in particular to a square tube surface rust prevention treatment device, which not only improves the efficiency of spraying rust prevention liquid to a square tube, but also leads the square tube to be comprehensively rust-proof and reduces the limitation; still including handling the storehouse, and a support, three component liquid pipes, six first mounts of group, the four-way pipe, two sets of support frames, three first catheters of group, three valves of group, the second catheter, the suction pump, third catheter and storage silo, the inside treatment chamber that is provided with of handling the storehouse, the treatment chamber top is provided with two sets of turning device, the end is provided with the opening about handling the storehouse, the opening communicates with each other with the treatment chamber, second catheter input and suction pump output are connected, the suction pump is installed on handling the storehouse top, the suction pump input is connected with third catheter output, the storage silo is installed on handling the storehouse top, the inside storage cavity that is provided with of storage silo, be provided with antirust liquid in the storage cavity, third catheter input passes the storage silo top and extends the storage cavity bottom.

Description

Surface rust-proof treatment equipment for square and rectangular pipes

Technical Field

The utility model relates to a machining's technical field especially relates to a square tube surface rust prevention treatment equipment.

Background

As is well known, the common way for the surface rust prevention treatment of the square and rectangular pipes is to manually spray rust prevention liquid on the surfaces of the square and rectangular pipes; however, the manual spraying of the antirust liquid on the surface of the square tube is low in efficiency and incomplete in spraying, so that the working effect is poor and the limitation is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an efficiency that not only improves the square tube and sprays antirust liquid also makes the square tube comprehensive rust-resistant, reduces the square tube surface anti-rust treatment equipment of limitation.

The utility model relates to a square tube surface rust prevention treatment device, which comprises a treatment chamber, a support, three component liquid pipes, six first fixing frames, a four-way pipe, two sets of support frames, three first liquid guide pipes, three valves, a second liquid guide pipe, a suction pump, a third liquid guide pipe and a storage bin, wherein the treatment chamber is arranged in the treatment chamber, two sets of turnover devices are arranged at the top end of the treatment chamber, openings are arranged at the left end and the right end of the treatment chamber and communicated with the treatment chamber, a conveying device is arranged at the left end and the right end of the treatment chamber and positioned in the treatment chamber through the openings, the bottom end of the treatment chamber is connected with the top end of the support frame, the three component liquid pipes are respectively fixed at the front wall, the rear wall and the top end of the treatment chamber through the six first fixing frames, a plurality of groups of spray heads are respectively arranged on the three component liquid pipes, the four-way pipe is fixed at the top end of the treatment chamber through the two sets of support frames, the input ends of the three first liquid guide pipes are respectively connected with the output end of the four-way pipe, the left group of first liquid guide pipe output ends penetrate through the top end of the treatment bin and extend into the treatment cavity to be communicated with the upper component liquid pipe, the output ends of the middle group of first liquid guide pipes and the right group of first liquid guide pipes penetrate through the top end of the treatment bin and extend into the treatment cavity to be communicated with the front component liquid pipe and the rear component liquid pipe respectively, the three groups of valves are installed on the upper sides of the three groups of first liquid guide pipe input ends respectively, the second liquid guide pipe output ends are connected with the input ends of four-way pipes, the second liquid guide pipe input ends are connected with the output ends of suction pumps, the suction pumps are installed on the top end of the treatment bin, the input ends of the suction pumps are connected with the output ends of third liquid guide pipes, the storage bin is installed on the top end of the treatment bin, a storage cavity is arranged inside the storage bin, antirust liquid is arranged in the storage cavity, and the third liquid guide pipe input ends penetrate through the top end of the storage bin and extend to the bottom of the storage cavity.

The utility model discloses a square tube surface rust-resistant treatment equipment, turning device is including putting the thing storehouse, the oil pump, the push rod, the movable plate, the second mount, the cylinder, pull rod and slipmat, it installs on the storehouse top to put the thing storehouse, and put the thing storehouse and communicate with each other with the treatment chamber, the oil pump is installed and is put the inside top in thing storehouse, the oil pump output end is connected with the push rod top, push rod bottom and movable plate top rotatable coupling, the second mount is installed at the push rod outer wall, the cylinder is rotatable to be installed in second mount bottom, the cylinder output end is connected with the pull rod top, pull rod bottom and movable plate outer wall rotatable coupling, the slipmat is installed at movable plate outer wall downside, the slipmat is located the treatment chamber.

The utility model discloses a square tube surface rust-resistant treatment equipment, conveyer include four group's third mounts, two sets of first pivots, two sets of transfer pulleys, conveyer belt and first motor, and four group's third mounts are installed respectively at handling storehouse outer wall downside, and two sets of first pivots are rotatable installation respectively on four group's third mounts, and two sets of transfer pulleys are rotatable suit respectively in two sets of first pivots, and two sets of transfer pulleys pass through conveyer belt synchronous drive, and first motor is installed at right group's first pivot front end.

The utility model discloses a square tube surface rust-resistant treatment facility still includes second motor and second pivot, and the second motor is installed on the storage silo top, and second motor output passes the storage silo top to be connected with second pivot top, is provided with the multiunit stirring rod in the second pivot, and the multiunit stirring rod all is located the storage intracavity.

The utility model discloses a square tube surface rust-resistant treatment equipment still includes empty storehouse, filter screen, inlet pipe and feed valve, and the empty storehouse is installed on storage silo top right side, and the inside cavity that is provided with of empty storehouse to the cavity communicates with each other with the storage cavity, and the filter screen slope is installed in the cavity, and inlet pipe output and empty storehouse intercommunication, feed valve install on the inlet pipe.

The utility model discloses a square tube surface rust-resistant treatment equipment still includes the maintenance board, and the vacant lot right-hand member is provided with the opening, and the opening communicates with each other with the cavity, and the maintenance board is installed at the opening part.

The utility model discloses a square tube surface rust prevention treatment equipment still includes the level gauge, and the level gauge is installed on storage silo right-hand member lateral wall.

The utility model discloses a square tube surface rust prevention treatment equipment still includes discharging pipe and bleeder valve, and the discharging pipe input passes storage silo right-hand member downside and communicates with each other with the storage cavity, and the bleeder valve is installed at the discharging pipe output.

Compared with the prior art, the beneficial effects of the utility model are that: opening the conveying device, placing the square tube on the conveying device, closing the conveying device when the square tube enters the treatment cavity, opening the suction pump to enable the antirust liquid in the storage cavity to enter the four-way tube through the third liquid guide tube and the second liquid guide tube, then the three groups of valves are opened, so that the antirust liquid is transmitted into the three groups of liquid distribution pipes through the three groups of first liquid guide pipes and is sprayed out by the spray heads, after the three surfaces of the square tube are sprayed, the three groups of valves are closed, the turning device is opened, the bottom end of the square tube is turned to the rear side of the turning device by the turning device, then open right side group valve, make rust-resistant liquid enter into back group through right side group first catheter and divide the intraductal shower nozzle blowout by the shower nozzle, come to spray the one side that the square tube did not spray, the square tube after spraying is derived by conveyer, not only improves the efficiency that the square tube sprayed rust-resistant liquid, also makes the comprehensive rust-resistant of carrying on of square tube, reduces the limitation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of the second shaft and the stirring rod;

FIG. 3 is an enlarged schematic view of the push rod and the moving plate;

fig. 4 is an enlarged schematic view of the components such as the four-way pipe and the valve.

In the drawings, the reference numbers: 1. a processing bin; 2. a support; 3. a liquid separating pipe; 4. a first fixing frame; 5. a spray head; 6. a four-way pipe; 7. a support frame; 8. a first catheter; 9. a valve; 10. a second catheter; 11. a suction pump; 12. a third liquid guide tube; 13. a storage bin; 14. a storage bin; 15. an oil pump; 16. a push rod; 17. moving the plate; 18. a second fixing frame; 19. a cylinder; 20. a pull rod; 21. a non-slip mat; 22. a third fixing frame; 23. a first rotating shaft; 24. a transfer wheel; 25. a conveyor belt; 26. a first motor; 27. a second motor; 28. a second rotating shaft; 29. a stirring rod; 30. emptying the bin; 31. a filter screen; 32. a feed pipe; 33. a feed valve; 34. maintaining the plate; 35. a liquid level meter; 36. a discharge pipe; 37. a discharge valve.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 4, the square tube surface rust prevention treatment device of the utility model comprises a treatment chamber 1, a support 2, three groups of liquid pipes 3, six groups of first fixing frames 4, a four-way pipe 6, two groups of support frames 7, three groups of first liquid pipes 8, three groups of valves 9, a second liquid pipe 10, a suction pump 11, a third liquid pipe 12 and a storage bin 13, wherein the treatment chamber is arranged inside the treatment chamber 1, the top end of the treatment chamber is provided with two groups of turnover devices, the left and right ends of the treatment chamber 1 are provided with openings which are communicated with the treatment chamber, the left and right ends of the treatment chamber 1 are provided with a conveying device which is positioned in the treatment chamber through the openings, the bottom end of the treatment chamber 1 is connected with the top end of the support 2, the three groups of liquid pipes 3 are respectively fixed on the front wall, the rear wall and the top end of the treatment chamber through the six groups of first fixing frames 4, the three groups of liquid pipes 3 are provided with a plurality of spray nozzles 5, the four-way pipe 6 is fixed on the top end of the treatment chamber 1 through the two groups of support frames 7, the input ends of three groups of first liquid guide pipes 8 are respectively connected with the output ends of a four-way pipe 6, the output end of a left group of first liquid guide pipes 8 penetrates through the top end of a treatment bin 1 and extends into the treatment cavity to be communicated with an upper component liquid pipe 3, the output ends of a middle group of first liquid guide pipes 8 and a right group of first liquid guide pipes 8 penetrate through the top end of the treatment bin 1 and extend into the treatment cavity to be communicated with a front component liquid pipe 3 and a rear component liquid pipe 3, three groups of valves 9 are respectively arranged on the upper sides of the input ends of the three groups of first liquid guide pipes 8, the output end of a second liquid guide pipe 10 is connected with the input end of the four-way pipe 6, the input end of the second liquid guide pipe 10 is connected with the output end of an absorption pump 11, the absorption pump 11 is arranged on the top end of the treatment bin 1, the input end of the absorption pump 11 is connected with the output end of a third liquid guide pipe 12, a storage bin 13 is arranged on the top end of the treatment bin 1, a storage bin 13 is internally provided with antirust liquid, and the input end of the storage bin 12 extends to the bottom of the storage bin; opening the conveying device, placing the square tube on the conveying device, when the square tube enters the treatment cavity, closing the conveying device, opening the suction pump 11, enabling the antirust liquid in the material storage cavity to enter the four-way tube 6 through the third liquid guide tube 12 and the second liquid guide tube 10, then opening the three groups of valves 9, enabling the antirust liquid to be transmitted into the three component liquid tubes 3 through the three groups of first liquid guide tubes 8 and sprayed out through the spray nozzles 5, after three sides of the square tube are sprayed, closing the three groups of valves 9, opening the turnover device, turning the bottom end of the square tube to the rear side of the turnover device through the turnover device, then opening the right group of valves 9, enabling the antirust liquid to enter the rear component liquid tube 3 through the right group of first liquid guide tubes 8 and sprayed out through the spray nozzles 5, spraying the side of the square tube which is not sprayed, leading out the sprayed square tube from the other conveying device, not only improving the efficiency of spraying the antirust liquid by the square tube, but also enabling the square tube to be comprehensively rustproof, the limitation is reduced.

The utility model discloses a square tube surface rust-resistant treatment equipment, turning device is including putting thing storehouse 14, oil pump 15, push rod 16, movable plate 17, second mount 18, cylinder 19, pull rod 20 and slipmat 21, put thing storehouse 14 and install on 1 top of processing storehouse, and put thing storehouse 14 and processing chamber and communicate with each other, oil pump 15 is installed on putting the inside top of thing storehouse 14, oil pump 15 output is connected with the 16 top of push rod, the 16 bottom of push rod and the 17 top rotatable coupling of movable plate, second mount 18 is installed at the 16 outer wall of push rod, cylinder 19 rotatable mounting is in the 18 bottom of second mount, the 19 output of cylinder is connected with the 20 top of pull rod, the 20 bottom of pull rod and the 17 outer wall rotatable coupling of movable plate, slipmat 21 is installed at the 17 outer wall downside of movable plate, slipmat 21 is located the processing chamber; by opening the oil pump 15, the push rod 16 drives the moving plate 17 to move downwards, when the moving plate 17 reaches the position corresponding to the square tube, the oil pump 15 is closed, the air cylinder 19 is opened, the pull rod 20 drives the moving plate 17 to move transversely, so that the moving plate 17 extends to the rear side of the inner wall of the square tube, the anti-skid pad 21 is contacted with the inside of the square tube, then the air cylinder 19 is closed, the oil pump 15 is opened, the push rod 16 drives the moving plate 17 to move upwards, the square tube naturally rotates to the rear side of the moving plate 17, then the push rod 16 drives the moving plate 17 to move downwards, the square tube is placed on the conveying device, then the air cylinder 19 is opened, the pull rod 20 drives the moving plate 17 to return to the initial vertical position, the oil pump 15 is opened, the push rod 16 drives the moving plate 17 to move upwards to return to the initial position, not only is the square tube automatically turned over, but also the square tube can be comprehensively sprayed with antirust liquid, the practicability is improved.

The utility model discloses a square tube surface rust-proof treatment equipment, conveyer include four groups of third mounts 22, two sets of first pivots 23, two sets of transfer pulleys 24, conveyer belt 25 and first motor 26, four groups of third mounts 22 are installed respectively at the outer wall downside of processing storehouse 1, two sets of first pivots 23 are rotatable to be installed respectively on four groups of third mounts 22, two sets of transfer pulleys 24 are rotatable respectively to be nested on two sets of first pivots 23, two sets of transfer pulleys 24 are through conveyer belt 25 synchronous drive, first motor 26 is installed at right group first pivot 23 front end; through opening first motor 26, make the first pivot 23 of right side group drive right side group's transfer gear 24 and rotate to make right side group's transfer gear 24 drive conveyer belt 25 and the transmission of left side group's transfer gear 24, because the transmission of conveyer belt 25, thereby drive the square tube on the conveyer belt 25 and move, can make the square tube pass through conveyer belt 25 and convey the treatment chamber in, improve the practicality.

The utility model discloses a square tube surface rust-preventive treatment equipment, still include second motor 27 and second pivot 28, second motor 27 installs on the top of storage silo 13, and second motor 27 output passes the top of storage silo 13 and is connected with second pivot 28 top, is provided with multiunit stirring rod 29 on second pivot 28, and multiunit stirring rod 29 all is located the storage cavity; through opening second motor 27, make second pivot 28 drive puddler 29 rotate, avoid rust-resistant liquid to precipitate in the storage cavity to reduce rust-resistant liquid's concentration.

The utility model discloses a square tube surface rust-preventive treatment equipment, still include empty bin 30, filter screen 31, inlet pipe 32 and feed valve 33, empty bin 30 is installed on the right side of 13 tops of storage bins, empty bin 30 is provided with the cavity inside, and the cavity communicates with each other with the storage cavity, filter screen 31 is installed in the cavity aslant, inlet pipe 32 output communicates with empty bin 30, feed valve 33 is installed on inlet pipe 32; through opening feed valve 33, can make rust-resistant liquid enter into the cavity through inlet pipe 32 in, then rust-resistant liquid enters into the storage intracavity through filter screen 31 after filtering, can in time supply rust-resistant liquid for the storage chamber, improves the convenience.

The utility model discloses a square tube surface rust prevention treatment device, which also comprises a maintenance plate 34, wherein the right end of the empty bin 30 is provided with an opening, the opening is communicated with the cavity, and the maintenance plate 34 is arranged at the opening; through setting up maintenance board 34, can in time clear up the impurity on the filter screen 31, improve the gas permeability of filter screen 31.

The utility model discloses a square tube surface rust prevention treatment device, which also comprises a liquid level meter 35, wherein the liquid level meter 35 is arranged on the outer side wall of the right end of the storage bin 13; through setting up level gauge 35, can clearly see the capacity of antirust liquid in the storage cavity, be convenient for in time supply.

The utility model discloses a square tube surface rust prevention treatment equipment, still include discharging pipe 36 and

bleeder valve

37, 36 input ends of discharging pipe pass the storage silo 13 right-hand member downside and communicate with each other with the storage cavity, bleeder valve 37 is installed at 36 output ends of discharging pipe; through setting up discharging pipe 36 and bleeder valve 37, can in time change the antirust liquid in the storage cavity, improve the practicality.

The utility model discloses a square tube surface rust-proof treatment equipment, it is at work, at first open first motor 26, make right side group's first pivot 23 drive right side group's transfer gear 24 and rotate, thereby make right side group's transfer gear 24 drive conveyer belt 25 and left side group's transfer gear 24 transmission, put the square tube on conveyer belt 25, when the square tube gets into the treatment chamber, close first motor 26, open second motor 27, make second pivot 28 drive stirring rod 29 and rotate, thereby make the antirust liquid in the storage chamber fully mix, open suction pump 11, make the antirust liquid in the storage chamber get into in four-way pipe 6 through third catheter 12 and second catheter 10, then open three valves 9, make the antirust liquid transmit to three components liquid pipe 3 in by shower nozzle 5 blowout through three first catheter 8 of group, when the trilateral back that sprays of square tube, close three valves 9, open oil pump 15, the push rod 16 drives the moving plate 17 to move downwards, when the moving plate 17 reaches the position corresponding to the square tube, the oil pump 15 is closed, the air cylinder 19 is opened, the pull rod 20 drives the moving plate 17 to move transversely, so that the moving plate 17 extends to the rear side of the inner wall of the square tube, the anti-skid pad 21 is contacted with the inside of the square tube, then the air cylinder 19 is closed, the oil pump 15 is opened, the push rod 16 drives the moving plate 17 to move upwards, the square tube naturally rotates to the rear side of the moving plate 17, then the push rod 16 drives the moving plate 17 to move downwards, the square tube is placed back on the conveyor belt 25, then the air cylinder 19 is opened, the pull rod 20 drives the moving plate 17 to return to the initial vertical position, the oil pump 15 is opened, the push rod 16 drives the moving plate 17 to move upwards to the initial position, then the right group of moving plate 9 is opened, so that the antirust liquid enters the rear group of liquid tube 3 through the right group of first liquid guide tube 8 and is sprayed out by the spray nozzle 5, and the side where the square tube is not sprayed, after spraying, the first motor 26 is turned on to drive the conveyor belt 25 to guide out the square tube.

The utility model discloses a square tube surface rust-proof treatment device, the installation mode, the connection mode or the setting mode of which are common mechanical modes, and the device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a square tube surface rust-resistant treatment facility's suction pump 11, oil pump 15, cylinder 19, first motor 26, second motor 27 and level gauge 35 for purchase on the market, this industry technical staff only need according to its subsidiary service instruction install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a square tube surface rust-resistant treatment equipment, which is characterized in that still includes processing bin (1), support (2), three components liquid pipe (3), six first mount (4) of group, four-way pipe (6), two sets of support frame (7), three first liquid pipe (8) of group, three valves (9) of group, second liquid pipe (10), suction pump (11), third liquid pipe (12) and storage silo (13), processing chamber is provided with to processing bin (1) inside, the processing chamber top is provided with two sets of turning device, processing bin (1) left and right sides end is provided with the opening, the opening communicates with each other with the processing chamber, processing bin (1) left and right sides end is provided with conveyer, conveyer is located the processing chamber through the opening, processing bin (1) bottom is connected with support (2) top, three components liquid pipe (3) are fixed at the antetheca of processing chamber through six first mount (4) respectively, Back wall and top end, all be provided with multiunit shower nozzle (5) on three component liquid pipe (3), four-way pipe (6) are fixed on processing storehouse (1) top through two sets of support frame (7), three first catheter (8) of group input are connected with four-way pipe (6) output respectively, left side group first catheter (8) output passes processing storehouse (1) top and extends to the treatment intracavity and is linked together with last component liquid pipe (3), the output of well group first catheter (8) and right side group first catheter (8) passes processing storehouse (1) top respectively and extends to the treatment intracavity and is linked together with preceding component liquid pipe (3) and back component liquid pipe (3), three valves (9) of group are installed respectively in three first catheter (8) input upside, second catheter (10) output is connected with four-way pipe (6) input, second catheter (10) input is connected with suction pump (11) output, the suction pump (11) is installed on the top end of the treatment bin (1), the input end of the suction pump (11) is connected with the output end of the third liquid guide pipe (12), the storage bin (13) is installed on the top end of the treatment bin (1), a storage cavity is arranged inside the storage bin (13), antirust liquid is arranged in the storage cavity, and the input end of the third liquid guide pipe (12) penetrates through the top end of the storage bin (13) and extends to the bottom of the storage cavity.

2. The square tube surface rust prevention treatment equipment according to claim 1, wherein the turnover device comprises an object storage bin (14), an oil pump (15), a push rod (16), a moving plate (17), a second fixing frame (18), an air cylinder (19), a pull rod (20) and a non-slip mat (21), the object storage bin (14) is installed at the top end of the treatment bin (1), the object storage bin (14) is communicated with the treatment cavity, the oil pump (15) is installed at the top end inside the object storage bin (14), the output end of the oil pump (15) is connected with the top end of the push rod (16), the bottom end of the push rod (16) is rotatably connected with the top end of the moving plate (17), the second fixing frame (18) is installed on the outer wall of the push rod (16), the air cylinder (19) is rotatably installed at the bottom end of the second fixing frame (18), the output end of the air cylinder (19) is connected with the top end of the pull rod (20), the bottom end of the pull rod (20) is rotatably connected with the outer wall of the moving plate (17), the anti-skid pad (21) is arranged at the lower side of the outer wall of the movable plate (17), and the anti-skid pad (21) is positioned in the treatment cavity.

3. The square tube surface rust prevention treatment equipment as claimed in claim 2, wherein the transmission device comprises four sets of third fixing frames (22), two sets of first rotating shafts (23), two sets of transmission wheels (24), a transmission belt (25) and a first motor (26), the four sets of third fixing frames (22) are respectively installed at the lower side of the outer wall of the treatment bin (1), the two sets of first rotating shafts (23) are respectively rotatably installed on the four sets of third fixing frames (22), the two sets of transmission wheels (24) are respectively rotatably sleeved on the two sets of first rotating shafts (23), the two sets of transmission wheels (24) are synchronously driven by the transmission belt (25), and the first motor (26) is installed at the front end of the right set of first rotating shafts (23).

4. The square tube surface rust prevention treatment equipment according to claim 3, further comprising a second motor (27) and a second rotating shaft (28), wherein the second motor (27) is installed at the top end of the storage bin (13), the output end of the second motor (27) penetrates through the top end of the storage bin (13) to be connected with the top end of the second rotating shaft (28), the second rotating shaft (28) is provided with a plurality of groups of stirring rods (29), and the plurality of groups of stirring rods (29) are all located in the storage cavity.

5. The square tube surface rust prevention treatment equipment according to claim 4, further comprising a blank bin (30), a filter screen (31), a feeding pipe (32) and a feeding valve (33), wherein the blank bin (30) is installed on the right side of the top end of the storage bin (13), a cavity is arranged inside the blank bin (30) and communicated with the storage cavity, the filter screen (31) is obliquely installed in the cavity, the output end of the feeding pipe (32) is communicated with the blank bin (30), and the feeding valve (33) is installed on the feeding pipe (32).

6. The square tube surface rust prevention treatment equipment according to claim 5, further comprising a maintenance plate (34), wherein an opening is provided at the right end of the empty bin (30), the opening communicates with the cavity, and the maintenance plate (34) is installed at the opening.

7. The square tube surface rust prevention treatment apparatus according to claim 6, further comprising a liquid level meter (35), wherein the liquid level meter (35) is installed on the outer side wall of the right end of the storage silo (13).

8. The surface rust prevention treatment apparatus for square and rectangular pipes according to claim 7, further comprising a discharge pipe (36) and a discharge valve (37), wherein an input end of the discharge pipe (36) is communicated with the storage chamber through a lower side of a right end of the storage silo (13), and the discharge valve (37) is installed at an output end of the discharge pipe (36).