CN218026364U - Steel pipe pickling internal circulation device - Google Patents
Steel pipe pickling internal circulation device Download PDFInfo
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- CN218026364U CN218026364U CN202221574701.2U CN202221574701U CN218026364U CN 218026364 U CN218026364 U CN 218026364U CN 202221574701 U CN202221574701 U CN 202221574701U CN 218026364 U CN218026364 U CN 218026364U
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- pickling
- outlet duct
- pipe
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Abstract
The utility model discloses a steel pipe pickling inner loop device, including the pickling bath, set up the installing support and can dip in the pickling bath top spacing of steel pipe in the pickling bath, the vertical spacing lifting cylinder who installs the downward setting of tailpiece of the piston rod end in the installing support middle part, spacing lifting cylinder tailpiece of the piston rod end fixed mounting is on the spacing of steel pipe, the sliding tray has been seted up on the installing support, but the vertical high-pressure outlet duct that is provided with horizontal migration in the pickling bath, the relative spacing orientation of steel pipe of high-pressure outlet duct is vertical has seted up a plurality of mouths of pipe of giving vent to anger, the extension of high-pressure outlet duct upper end is installed in the sliding tray, high-pressure outlet duct side is provided with the trachea and drives actuating cylinder of tailpiece of the piston rod towards high-pressure outlet duct setting, trachea drive actuating cylinder tailpiece of the piston rod end fixed mounting is in the high-pressure outlet duct side, the high-pressure outlet duct top is connected with high-pressure intake pipe. The utility model discloses further improve pickling effect and pickling efficiency, improved the pickling effect to seamless steel pipe outer wall simultaneously.
Description
Technical Field
The utility model relates to a pickling plant technical field especially relates to steel pipe pickling inner loop device.
Background
The pickling is an indispensable process in seamless steel pipe production process, it utilizes acid solution to get rid of the cinder and the rust on the steel pipe internal and external surface, subsequent manufacturing procedure just can be better like this and then can reach the better steel pipe finished product of quality, the conventional pickling to seamless steel pipe is only with simple the hanging of steel pipe in to the pickling bath, soak the pickling through adding acidizing fluid in to the pickling bath, because the steel pipe is long and thin form, when there is a large amount of iron rusts in the steel pipe, because the pickling time can not the overlength, the inside acidizing fluid of steel pipe is difficult to take place the convection exchange with outside acidizing fluid simultaneously, and then influence the inside pickling effect of steel pipe. Therefore, how to provide an internal circulation device for steel pipe pickling is a problem that needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel pipe pickling inner loop device, the utility model discloses a highly-compressed air inserts seamless steel pipe for the acidizing fluid forms highly-compressed circulation in the pickling bath and washes, improves the contact effect of acidizing fluid and pipe wall, further improves pickling effect and pickling efficiency, has improved the pickling effect to seamless steel pipe outer wall simultaneously.
According to the utility model discloses steel pipe pickling inner loop device, including the pickling bath, set up the installing support and can dip in of pickling bath top spacing frame of steel pipe in the pickling bath, the vertical spacing lifting cylinder who installs the downward setting of tailpiece of the piston rod end in the installing support middle part, spacing lifting cylinder tailpiece of the piston rod end fixed mounting is on the spacing frame of steel pipe, the sliding tray has been seted up on the installing support, but the vertical high-pressure outlet duct who is provided with horizontal migration in the pickling bath, the relative spacing frame direction of steel pipe of high-pressure outlet duct is vertical to have seted up a plurality of mouths of tubes of giving vent to anger, the extension of high-pressure outlet duct upper end is installed in the sliding tray, high-pressure outlet duct side is provided with the trachea that the tailpiece of the piston rod end set up towards high-pressure outlet duct and drives actuating cylinder, the trachea drives actuating cylinder tailpiece of the piston rod end fixed mounting in the high-pressure outlet duct side for drive high-pressure outlet duct's horizontal migration, the high-pressure outlet duct top is connected with high-pressure intake pipe.
Preferably, the steel pipe limiting frame comprises two mounting clamping plates and a connecting rod used for connecting the mounting clamping plates, and a plurality of steel pipe sleeves arranged in an array are mounted on the mounting clamping plates.
Preferably, the pickling bath bottom side is installed and is circulated the drain pipe, the inlet port department at the acidizing fluid rose box is installed in circulation drain pipe other end intercommunication, circulation feed liquor pipe is installed in the outlet port intercommunication of acidizing fluid rose box, the outlet port setting of circulation feed liquor pipe is in the pickling bath top.
Preferably, the acid liquor filtering tank comprises a tank body, and a filter screen is installed in the tank body.
Preferably, the filter screen is an electromagnetic filter screen.
Preferably, the circulating liquid outlet pipe and the circulating liquid inlet pipe are both provided with discharging pumps in a flange mode.
Preferably, the high-pressure air outlet pipe positioned in the sliding groove is sleeved with a sliding block matched with the sliding groove.
Preferably, an air pump is arranged on the high-pressure air outlet pipe in a flange mode.
The utility model has the advantages that:
(1) The utility model inserts high-pressure air into the seamless steel pipe, so that the acid liquor forms high-pressure circular washing in the pickling tank, the contact effect of the acid liquor and the pipe wall is improved, the pickling effect and the pickling efficiency are further improved, and the pickling effect on the outer wall of the seamless steel pipe is improved;
(2) The utility model discloses an electromagnetism filter screen in the acidizing fluid rose box can filter and adsorb the complete bold rust of noncorrosion in the acidizing fluid, collects the rust, prevents that a large amount of rust from getting into the effect of influencing follow-up pickling in the pickling bath once more when the acidizing fluid from circulating, the effectual quality that improves acidizing fluid circulation in to the acidizing of stainless steel pipe when handling.
Drawings
In the drawings:
FIG. 1 is a schematic structural view of a steel pipe pickling internal circulation device provided by the utility model;
FIG. 2 is a schematic structural view of a steel pipe limiting frame in the steel pipe pickling internal circulation device provided by the utility model;
FIG. 3 is a schematic structural view of a high-pressure air outlet pipe in the steel pipe pickling internal circulation device provided by the utility model;
fig. 4 is a schematic structural diagram of an acid liquor filtering box in the steel pipe acid washing internal circulation device provided by the utility model.
In the figure: 1-a pickling tank, 2-a steel pipe limiting frame, 21-an installation splint, 22-a connecting rod, 23-a steel pipe sleeve, 3-a seamless steel pipe, 4-an installation bracket, 5-a limiting frame lifting cylinder, 6-an air pipe driving cylinder, 7-a high-pressure air inlet pipe, 8-a high-pressure air outlet pipe, 9-an acid liquor filter box, 91-a box body, 92-a filter screen, 10-a sliding groove, 11-a sliding block, 12-an air outlet pipe opening, 13-a circulating liquid outlet pipe and 14-a circulating liquid inlet pipe.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. Referring to fig. 1-4, a steel pipe pickling internal circulation device, including pickling bath 1, installing support 4 and the steel pipe spacing frame 2 that can dip in pickling bath 1 that set up in the pickling bath 1, installing support 4 middle part vertical installation has spacing frame lifting cylinder 5 that the tailpiece of the piston rod set up downwards, spacing frame lifting cylinder 5 tailpiece of the piston rod portion fixed mounting is on steel pipe spacing frame 2, sliding tray 10 has been seted up on installing support 4, but the vertical high-pressure outlet duct 8 that is provided with horizontal migration in pickling bath 1, high-pressure outlet duct 8 is vertical relative to 2 directions of steel pipe spacing frame has seted up a plurality of mouths of air outlets 12, high-pressure outlet duct 8 upper end extends and installs in sliding tray 10, 8 overcoat of high-pressure outlet duct that is located sliding tray 10 is equipped with the slider 11 with sliding tray 10 looks adaptation, 8 side of high-pressure outlet duct is provided with the trachea driving cylinder 6 that the tailpiece of the piston rod set up towards high-pressure outlet duct 8, trachea driving cylinder 6 tailpiece of the piston rod portion fixed mounting is in 8 side of high-pressure outlet duct 8, be used for driving horizontal migration of high-pressure outlet duct 8, the top of high-pressure outlet duct 8 is connected with high-pressure intake pipe 7.
The steel pipe spacing frame 2 comprises two mounting clamp plates 21 and a connecting rod 22 used for connecting the mounting clamp plates 21, steel pipe sleeves 23 arranged in a plurality of arrays are mounted on the mounting clamp plates 21, the steel pipe sleeves 23 are spirally mounted on the mounting clamp plates 21, and meanwhile, seamless steel pipes 3 with different diameters can be fixedly mounted through the inner diameter of each steel pipe sleeve 23.
A circulating liquid outlet pipe 13 is installed at the bottom side of the pickling tank 1, the other end of the circulating liquid outlet pipe 13 is communicated and installed at the liquid inlet port of the acid liquid filtering box 9, a circulating liquid inlet pipe 14 is communicated and installed at the liquid outlet port of the acid liquid filtering box 9, and the liquid outlet port of the circulating liquid inlet pipe 14 is arranged above the pickling tank 1.
The acid liquor filtering box 9 comprises a box body 91, a filtering net 92 is installed in the box body 91, the filtering net 92 is an electromagnetic filtering net 92 in the embodiment, the electromagnetic filtering net 92 can filter and adsorb large rust which is not completely corroded in acid liquor, the iron rust is collected, the effect that a large amount of iron rust enters the pickling tank 1 again to affect follow-up pickling when the acid liquor is circulated is prevented, and the quality of the acid liquor in acid liquor circulation when the stainless steel pipe is subjected to acidification treatment is effectively improved.
The discharging pumps are arranged on the circulating liquid outlet pipe 13 and the circulating liquid inlet pipe 14 through flanges, and the self-suction acid-alkali-resistant explosion-proof sulfuric acid discharging pump is selected as the discharging pump in the embodiment.
An air pump is arranged on the high-pressure air outlet pipe 8 through a flange, the air pump can improve the air pressure of the high-pressure air inlet pipe 7 to 2-5 times in the embodiment, only the air in the high-pressure air inlet pipe 7 is required to be used as an air source, and meanwhile the high-pressure air inlet pipe 7 is a deformable corrugated pipe.
It can be understood that the utility model provides an air pump, the pump of unloading, spacing frame lift cylinder 5, trachea drive the drive mode of actuating cylinder 6 and can adopt the mode of external power source line to drive, and air pump, the pump of unloading, spacing frame lift cylinder 5, trachea drive the control of actuating cylinder 6 and can adopt major control system to carry out programming control, and its control principle can realize for current control technology. The model that air pump, unloading pump, spacing frame promote cylinder 5, trachea drive actuating cylinder 6 is not limited to single type can be for market on be currently be fit for with the utility model discloses a type.
The working principle is as follows: install the seamless steel pipe 3 that needs the pickling in steel pipe sleeve 23 on steel pipe spacing 2, promote cylinder 5 through starting spacing and immerse steel pipe spacing 2 in pickling bath 1, it drives cylinder 6 and removes high-pressure outlet duct 8 and remove towards seamless steel pipe 3 to start the trachea, will give vent to anger mouth of pipe 12 and remove in proper order and insert to seamless steel pipe 3, the high-pressure air that blows off through giving vent to anger mouth of pipe 12 carries out high-pressure washing to seamless steel pipe 3 inner wall, high pressure makes the acidizing fluid carry out the circulation convection current in pickling bath 1 simultaneously, the cleaning performance to seamless steel pipe 3 outer wall has been improved, the acidizing fluid after the pickling simultaneously can carry out the many times pickling to seamless steel pipe 3 through the filtration of acidizing fluid rose box 9, under the prerequisite that does not reduce the pickling performance, the cost of pickling that reduces.
The utility model discloses a highly-compressed air inserts seamless steel pipe 3, make the acidizing fluid form highly-compressed circulation in pickling bath 1 and wash, improve the contact effect of acidizing fluid and pipe wall, further improve pickling effect and pickling efficiency, the pickling effect to seamless steel pipe 3 outer walls has been improved simultaneously, electromagnetism filter screen 92 through in the acidizing fluid rose box 9 can filter and adsorb the complete bulk iron rust of noncorrosion in the acidizing fluid, collect the iron rust, prevent that a large amount of iron rust from getting into the effect of influencing follow-up pickling in pickling bath 1 once more when the circulation, the effectual quality that improves acidizing fluid in the acidizing fluid circulation when handling stainless steel pipe acidizing.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a steel pipe pickling inner loop device, a serial communication port, including the pickling bath, set up the installing support and can dip in the pickling bath top steel pipe spacing in the pickling bath, the vertical spacing lifting cylinder who installs the downward setting of tailpiece of the piston rod end in installing support middle part, spacing lifting cylinder tailpiece of the piston rod end fixed mounting is on the spacing of steel pipe, the sliding tray has been seted up on the installing support, but the vertical high-pressure outlet duct that is provided with horizontal migration in the pickling bath, the relative spacing orientation of steel pipe of high-pressure outlet duct has vertically seted up a plurality of mouths of giving vent to anger, high-pressure outlet duct upper end extension is installed in the sliding tray, high-pressure outlet duct side is provided with the trachea actuation cylinder that the tailpiece of the piston rod end set up towards high-pressure outlet duct, trachea actuation cylinder tailpiece of the piston rod end fixed mounting is in the high-pressure outlet duct side for drive high-pressure outlet duct's horizontal migration, the high-pressure outlet duct top is connected with high-pressure intake pipe.
2. The steel pipe pickling internal circulation device of claim 1, wherein the steel pipe limiting frame comprises two mounting clamping plates and a connecting rod for connecting the mounting clamping plates, and a plurality of steel pipe sleeves arranged in an array are mounted on the mounting clamping plates.
3. The steel pipe acid washing internal circulation device as claimed in claim 1, wherein a circulation liquid outlet pipe is installed at the bottom side of the acid washing tank, the other end of the circulation liquid outlet pipe is installed at the liquid inlet port of the acid liquid filtering tank in a communicating manner, a circulation liquid inlet pipe is installed at the liquid outlet port of the acid liquid filtering tank in a communicating manner, and the liquid outlet port of the circulation liquid inlet pipe is arranged above the acid washing tank.
4. The steel pipe pickling internal circulation device of claim 3, wherein the acid liquor filtering tank comprises a tank body, and a filter screen is installed in the tank body.
5. The steel pipe pickling internal circulation device of claim 4, wherein the filter screen is an electromagnetic filter screen.
6. The steel pipe pickling internal circulation device of claim 3, wherein each of the circulating liquid outlet pipe and the circulating liquid inlet pipe is provided with a discharging pump in a flange mode.
7. The steel pipe pickling internal circulation device according to claim 1, wherein a sliding block matched with the sliding groove is sleeved outside the high-pressure gas outlet pipe in the sliding groove.
8. The steel pipe pickling internal circulation device of claim 1, wherein an air pump is mounted on a flange on the high-pressure gas outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221574701.2U CN218026364U (en) | 2022-06-22 | 2022-06-22 | Steel pipe pickling internal circulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221574701.2U CN218026364U (en) | 2022-06-22 | 2022-06-22 | Steel pipe pickling internal circulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218026364U true CN218026364U (en) | 2022-12-13 |
Family
ID=84378799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221574701.2U Active CN218026364U (en) | 2022-06-22 | 2022-06-22 | Steel pipe pickling internal circulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218026364U (en) |
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2022
- 2022-06-22 CN CN202221574701.2U patent/CN218026364U/en active Active
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