阅读说明：本技术 一种钢管酸洗装置及酸洗方法 (Steel pipe pickling device and pickling method ) 是由 王忠华 仲蔡希 黄玲 于 2019-11-27 设计创作，主要内容包括：本发明公开了一种钢管酸洗装置,涉及钢管酸洗技术领域,包括：基体,基体上设有擦拭件,擦拭件设置在基体的相对位置,擦拭件用于擦拭钢管的外部,基体上设有搅拌部,搅拌部用于搅拌酸洗液。管外清洗机构,管内清洗机构,管内清洗机构具有：抽酸管,抽酸管的一端用于伸进钢管的内部,抽酸管的一端上设置有出水口,出水口用于酸洗钢管的内部；调整轴,调整轴用于调整与钢管内径相配合；擦拭部,擦拭部的数量与调整轴的数量相同,擦拭部用于擦拭钢管的内壁。本发明在使用中由于设置了擦拭件与擦拭部,可以有效的将附着在钢管上的酸洗液与污渍擦拭进基体内部,从而能使酸洗液保留在基体内部,从而能有效的降低酸洗液的消耗,从而能降低生产成本。(The invention discloses a steel pipe pickling device, which relates to the technical field of steel pipe pickling and comprises the following components: the base member is equipped with the wiper on, and the wiper sets up the relative position at the base member, and the wiper is used for wiping the outside of steel pipe, is equipped with stirring portion on the base member, and stirring portion is used for stirring the pickle. Outside of tubes wiper mechanism, intraductal wiper mechanism has: one end of the acid pumping pipe is used for extending into the steel pipe, and a water outlet is formed in one end of the acid pumping pipe and used for pickling the inside of the steel pipe; the adjusting shaft is used for adjusting and matching with the inner diameter of the steel pipe; the number of the wiping parts is the same as that of the adjusting shafts, and the wiping parts are used for wiping the inner wall of the steel pipe. The invention can effectively wipe the pickling solution and the stain attached to the steel pipe into the matrix due to the arrangement of the wiping piece and the wiping part during use, thereby keeping the pickling solution in the matrix, effectively reducing the consumption of the pickling solution and reducing the production cost.)

1. The utility model provides a steel pipe acid dip pickle, steel pipe acid dip pickle is applied to in the steel pipe acid dip pickle process, wherein, includes:

the pickling line comprises a base body, wherein a visual plate is arranged on the base body and used for observing details of a pickling steel pipe, a wiping piece is arranged on the base body and arranged at the relative position of the base body, the wiping piece is used for wiping the outside of the steel pipe, a stirring part is arranged on the base body and used for stirring pickling solution, an accommodating space is formed inside the base body and used for accommodating the pickling solution;

an outside-of-tubes cleaning mechanism having:

the upper water spray head is arranged above the steel pipe when the steel pipe enters, and is used for spraying the pickling solution;

the lower water spray heads are arranged below the steel pipe when the steel pipe enters, the number of the lower water spray heads is the same as that of the upper water spray heads, and the lower water spray heads are used for spraying the pickling solution; a telescopic adjustment part having:

the adjusting and moving plate is arranged on the workbench;

the rotating motor is arranged on the adjusting moving plate;

the rotating part is arranged on the rotating motor, and an upright post is arranged on the rotating part;

the telescopic part is arranged on the rotating part, and one end of the telescopic part is matched with the upright post;

the guide posts are arranged at the opposite positions of the telescopic parts and are provided with two, and the guide posts are fixedly connected with the telescopic parts; an in-pipe cleaning mechanism having:

the acid extracting pipe, the one end of acid extracting pipe with the steel pipe is same axle center to setting up, the one end of acid extracting pipe is used for stretching into the inside of steel pipe, one of acid extracting pipe is served and is provided with the delivery port, the delivery port is used for the pickling the inside of steel pipe, be provided with on the acid extracting pipe:

the inner part of the ejector block penetrates through the acid pumping pipe, the ejector block and the acid pumping pipe are arranged in the same axial direction, and the ejector block is fixedly connected with the guide pillar;

the sleeve penetrates through the acid pumping pipe, the sleeve and the acid pumping pipe are arranged in the same axial direction, and the sleeve is arranged at the opposite position of the top block;

the two ends of the elastic part are respectively connected with the ejector block and the sleeve;

the adjusting shaft is arranged at the relative position of the sleeve and is used for adjusting the inner diameter of the steel pipe to be matched with the adjusting shaft;

the wiping parts are arranged at the relative positions of the adjusting shafts, the number of the wiping parts is the same as that of the adjusting shafts, and the wiping parts are used for wiping the inner wall of the steel pipe.

2. The pickling device of claim 1, wherein the visual plate is a square glass plate, the square glass plate is arranged at a relative position of the substrate, the square glass plate is used for observing the outer wall pickling process of the steel pipe, and the pickling time can be determined through the observation.

3. The pickling device of claim 1, wherein the wiper is a ring-shaped plastic soft rubber, the wiper is arranged on the side surface of the base body, and the wiper is used for wiping the pickling solution left on the outer wall of the steel pipe and the left stain.

4. The pickling device of claim 1, wherein the stirring portion is of a drawable design, and a stirring paddle is provided in the stirring portion and used for stirring the pickling solution.

5. The pickling apparatus of claim 1, wherein the upper water jet bottom is removable for emptying the pickle liquor.

6. The pickling apparatus as claimed in claim 1, wherein the telescopic part is hollow, both ends of the telescopic part are capable of engaging with the column, and the rotating part rotates the column to rotate the telescopic part to extend and retract.

7. The pickling apparatus of claim 1, wherein the guide post is a cylindrical cross post, the guide post has two, and the guide post is welded to the telescoping portion.

8. The pickling device of claim 1, wherein the top block penetrates through the acid extraction pipe, the top block and the acid extraction pipe are arranged in the same axial direction, and the top block is welded to the guide post.

9. The pickling apparatus according to claim 1, wherein the number of the adjustment shafts is three, and one end of each of the adjustment shafts is provided at a position opposite to the sleeve, and the other end of each of the adjustment shafts is provided at a position opposite to the wiping portion, and the adjustment shafts are used for adjusting the wiping portion to have the same size as the inner diameter of the steel pipe.

10. The pickling device according to claim 1, wherein the upper end of the wiping portion is made of a soft elastic material, the number of the wiping portions is the same as that of the adjustment shafts, and the wiping portion is configured to wipe off the pickling solution and the stains remaining in the inner wall of the steel pipe.

11. The use method of the pickling device comprises the following steps:

loading a pipe, wherein one end of the steel pipe is inserted into a feeding mechanism, the steel pipe is fed into the base body through the feeding mechanism, and the steel pipe is kept stable during feeding through the feeding mechanism;

the telescopic adjusting part on the workbench moves towards the interior of the base body through the sliding guide rail, and stops moving when the telescopic adjusting part moves to a specified position;

stirring, wherein a stirring paddle in a stirring part at the lower part of the base body operates to uniformly stir the pickling solution in the base body, so that the concentration of the pickling solution in the base body is always maintained at a higher level;

when the telescopic adjusting part moves to a designated position, the rotating motor starts to rotate, the rotating motor drives the rotating part to rotate, and the stand column on the rotating part drives the telescopic part to stretch and drive the guide pillar to stretch;

expanding, wherein when the guide post stretches, the top block welded with the guide post also moves, and when the guide post stretches to a certain degree, the elastic part is compressed by the top block to drive the sleeve to move, the sleeve drives the adjusting shaft to move, and the adjusting shaft drives the wiping part to expand;

pickling, when the steel pipe enters the substrate, the pickling pipe operates, pickling solution is pumped into the pickling pipe from the inside of the substrate and sprayed through the upper water spray head and the lower water spray head, so that the pickling effect outside the pipe is achieved, and the pickling solution is sprayed out of one end of the pickling pipe inside the pipe, so that the pickling effect inside the pipe is achieved;

wiping, wherein the feeding mechanism continues feeding to feed the steel pipe to a base body outlet, the outer wall of the steel pipe is wiped completely through a wiping piece, and the inner wall of the steel pipe is wiped completely through a wiping part;

when the steel pipe is fed to a certain degree, the rotating motor continues to rotate to drive the rotating part to rotate, the stand column in the rotating part is driven to rotate, the telescopic part is driven to stretch, the guide pillar is driven to stretch, the ejector block is driven to stretch, when the ejector block stretches to a certain degree, the ejector block contacts a stop block, the stop block drives the acid pumping pipe to stretch, the elastic part stretches to drive the sleeve to move, the sleeve drives the adjusting shaft to move, the adjusting shaft drives the wiping part to horizontally displace, and the steel pipe is separated from the base body;

and repeating the steps.

Technical Field

The invention relates to the field of acid pickling, in particular to a steel pipe acid pickling device and a steel pipe acid pickling method.

Background

The process of removing oxides and rust from the surface of steel using pickling solutions is known as pickling. Acid pickling is one method of cleaning metal surfaces. The steel pipe needs to be pickled in the production process, and at present, pickling is usually carried out in a pickling tank. And when pickling in the descaling bath, the pickle can send sharp smell, often can cause the pollution to operational environment, also can cause harm to staff's health, and the pickle after wasing is retrieved and is handled also troublesome, can increase staff's work load, and the extravagant phenomenon of pickle is comparatively serious simultaneously to can cause the indirect improvement of cost.

Disclosure of Invention

The invention aims to provide a steel pipe pickling device, which is used for solving the problems that in the prior art, a working environment is polluted by a pickling solution and the pickling solution is wasted in a steel pipe pickling process.

The second purpose of the invention is to provide an acid washing method.

In order to achieve one of the purposes, the invention adopts the following technical scheme: a pickling apparatus, comprising: the base member is equipped with a visual board on the base member, and visual board is used for observing the detail of pickling steel pipe, is equipped with the wiper on the base member, and the wiper sets up the relative position at the base member, and the wiper is used for wiping the outside of steel pipe, is equipped with stirring portion on the base member, and stirring portion is used for stirring the pickle, and the base member is inside to have accommodation space, and accommodation space is used for placing the pickle, and accommodation space inside has: the outside of tubes wiper mechanism, outside of tubes wiper mechanism has: the upper water spray heads are arranged above the steel pipe when the steel pipe enters, the upper water spray heads are used for spraying pickling solution, the lower water spray heads are arranged below the steel pipe when the steel pipe enters, the number of the lower water spray heads is the same as that of the upper water spray heads, and the lower water spray heads are used for spraying pickling solution; a telescopic adjustment part having: the adjusting moving plate is arranged on the workbench; the rotating motor is arranged on the adjusting moving plate; the rotating part is arranged on the rotating motor, and an upright post is arranged on the rotating part; the telescopic part is arranged on the rotating part, and one end of the telescopic part is matched with the upright post; the guide posts are arranged at the opposite positions of the telescopic parts and are provided with two guide posts which are fixedly connected with the telescopic parts; intraductal wiper mechanism, intraductal wiper mechanism has: one end of the acid pumping pipe is arranged in the same axial direction with the steel pipe, one end of the acid pumping pipe is used for extending into the steel pipe, a water outlet is formed in one end of the acid pumping pipe, the water outlet is used for pickling the interior of the steel pipe, and the acid pumping pipe is provided with a water outlet; the inner part of the ejector block penetrates through the acid pumping pipe, the ejector block and the acid pumping pipe are arranged in the same axial direction, and the ejector block is fixedly connected with the guide pillar; the sleeve penetrates through the acid pumping pipe, the sleeve and the acid pumping pipe are arranged in the same axial direction, and the sleeve is arranged at the opposite position of the top block; the two ends of the elastic part are respectively connected with the top block and the sleeve; the adjusting shaft is arranged at the relative position of the sleeve and is used for adjusting the matching with the inner diameter of the steel pipe; the wiping parts are arranged at the relative positions of the adjusting shafts, the number of the wiping parts is the same as that of the adjusting shafts, and the wiping parts are used for wiping the inner wall of the steel pipe.

In the technical scheme, the pickling process of the steel pipe can be observed by adopting the visual plate and the stirring part, the pickling time can be determined by observing or the pickling solution with higher concentration can be added in the observation process, and the pickling solution can be always in a higher concentration level by the stirring part, so that the pickling solution can be effectively saved. The wiping piece can be used for wiping residual pickling solution and stains on the outer wall of the steel pipe after pickling into the base body, so that the pickling solution can be effectively saved, and the attractiveness of the steel pipe can be ensured. The outer wall of the steel pipe can be effectively pickled by adopting the upper water spray head and the lower water spray head. The cleaning part can adapt to different inner diameters of the steel pipe by adopting the jacking block, the elastic part, the sleeve and the adjusting shaft, so that adaptability adjustment is achieved, residual pickling solution and stains on the inner wall of the steel pipe after pickling can be cleaned into the base body by adopting the cleaning part, the pickling solution can be effectively saved, and the production cost is saved.

Further, in the embodiment of the invention, the visual plate is a square glass plate, the square glass plate is arranged at the opposite position of the substrate, the square glass plate is used for observing the pickling process of the outer wall of the steel pipe, and the pickling time can be determined through observation, so that the phenomenon of insufficient pickling is reduced.

Furthermore, in the embodiment of the invention, the wiping piece is the annular plastic soft rubber, the wiping piece is arranged on the side surface of the base body, and the wiping piece is used for wiping the remained pickling solution and the remained stain on the outer wall of the steel pipe, so that the pickling solution can be effectively saved, and the production cost is saved.

Furthermore, in the embodiment of the invention, the stirring part is designed in a drawable manner, the stirring paddle is arranged in the stirring part and used for stirring the pickling solution, and the pickling solution in the base body can be always in a higher concentration through the stirring paddle, so that the pickling solution can be effectively saved, and the production cost can be saved.

Further, in the embodiment of the present invention, the upper water nozzles and the lower water nozzles are provided in the accommodating space, and the bottom of the upper water nozzles are detachable for emptying the pickling solution.

Furthermore, in the embodiment of the present invention, the inside of the telescopic portion is hollow, both ends of the telescopic portion can be matched with the upright post, and the rotating portion drives the upright post to rotate to drive the telescopic portion to extend and retract when rotating.

Further, in the embodiment of the invention, the guide post is a cylindrical cross post, the number of the guide posts is two, and the guide posts are welded with the telescopic part.

Furthermore, in the embodiment of the invention, the inside of the top block penetrates through the acid pumping pipe, the top block and the acid pumping pipe are arranged in the same axial direction, and the top block is connected with the guide pillar in a welding manner.

Further, in the embodiment of the invention, one end of the acid pumping pipe is provided with a stop block, the stop block is positioned behind the top block, and the stop block is used for stopping the top block and realizing the extension and retraction of the acid pumping pipe through the extension part.

Further, in the embodiment of the invention, one end of each adjusting shaft is arranged at a position opposite to the sleeve, the other end of each adjusting shaft is arranged at a position opposite to the wiping part, the number of the adjusting shafts is three, and the adjusting shafts are used for adjusting the wiping parts to achieve the same size as the inner diameter of the steel pipe.

Furthermore, in the embodiment of the invention, the upper end of the wiping part is made of soft elastic material, the number of the wiping parts is the same as that of the adjusting shafts, and the wiping parts are used for wiping residual pickling solution and stains on the inner wall of the steel pipe, so that the pickling solution can be effectively saved, and the production cost is saved.

The invention has the beneficial effects that:

the pickling solution can be effectively prevented from volatilizing in the base body by placing the pickling solution, the pickling solution can be effectively saved, and the pollution of the pickling solution to the environment and workers can be effectively reduced, so that the production efficiency is improved, and the production cost is reduced.

The pickling effect of the steel pipe can be observed in the pickling process through the square glass plate, and when the steel pipe is not pickled completely, the pickling solution with higher concentration can be added into the pickling solution in the base body to maintain the concentration of the pickling solution in the base body at a higher level.

The wiping piece can wipe off the residual pickling solution and the stains attached to the surface of the steel pipe, so that the effect of saving the pickling solution is achieved, the production cost is reduced, and the attractiveness of the steel pipe after pickling can be improved.

Stirring portion can be taken out stirring portion from the base member for the pull formula, can be with stirring rake sanitization to can effectual reduction stirring rake break down, thereby the live time that can effectual improvement device, thereby reduction in production cost.

The concentration gradient of the pickling solution in the base body can be eliminated through the stirring paddle in the stirring part, the concentration of the pickling solution in the base body can be always maintained at a higher level, the pickling solution can be effectively saved, and the pickling efficiency is higher.

The wiping part can wipe off the residual pickling solution and the stains attached to the inside of the steel pipe, so that the effect of saving the pickling solution is achieved, and the production cost is reduced.

The pickling solution in the base body can be effectively recycled through the acid pumping pipe, the waste of the pickling solution is reduced, the effect of saving the pickling solution is achieved, and the production cost is reduced.

Be the interval position with upper portion water shower nozzle and lower part water shower nozzle and put, upper portion water shower nozzle sets up two with the lower part water shower nozzle simultaneously, can be with the effectual pickling of steel pipe, adopts interval position to put and to make the upper portion water shower nozzle when spraying the pickle, thereby it sprays the pickle by the influence of gravity downwards drippage effectual utilization pickle, and set up two pickling times that then can increase the steel pipe to increase the efficiency of pickling.

The telescopic part is arranged at one end of the in-pipe cleaning mechanism, the telescopic part can enable the in-pipe acid pumping pipe to stretch along with the stretching of the telescopic part, the damage of the acid pumping pipe can be effectively prevented, the pickling solution is saved, and the effect of saving the cost is achieved.

In order to achieve the second purpose, the invention adopts the following technical scheme: an acid washing method, comprising the following steps: loading a pipe, namely inserting one end of the steel pipe into a feeding mechanism, feeding the steel pipe into the base body through the feeding mechanism, and keeping the steel pipe stable during feeding through the feeding mechanism;

stirring, wherein a stirring paddle in a stirring part at the lower part of the matrix operates to uniformly stir the pickling solution in the matrix so as to keep the concentration of the pickling solution in the matrix at a higher level all the time;

the telescopic adjusting part on the workbench moves towards the interior of the base body through the sliding guide rail, and stops moving when the telescopic adjusting part moves to a specified position;

when the telescopic adjusting part moves to a designated position, the rotating motor starts to rotate, the rotating motor drives the rotating part to rotate, and the stand column on the rotating part drives the telescopic part to stretch and drive the guide pillar to stretch;

when the guide post stretches to a certain degree, the elastic part is compressed through the ejector block to drive the sleeve to move, the sleeve drives the adjusting shaft to move, and the adjusting shaft drives the wiping part to expand;

acid washing, when the steel pipe enters the substrate, the acid pumping pipe operates, acid washing liquid is pumped into the acid pumping pipe from the inside of the substrate and sprayed through the upper water spray head and the lower water spray head, so that the effect of acid washing outside the pipe is achieved, and the acid washing liquid is sprayed out of one end of the acid pumping pipe inside the pipe, so that the effect of acid washing inside the pipe is achieved;

wiping, wherein the feeding mechanism continues feeding to feed the steel pipe to the outlet of the matrix, the outer wall of the steel pipe is wiped completely through the wiping piece, and the inner wall of the steel pipe is wiped completely through the wiping part;

the pipe withdrawing device comprises a rotating part, a telescopic part, a rotating motor, a stop block, an elastic part, a sleeve and an adjusting shaft, wherein the rotating part is arranged on the rotating part and is used for driving the stand column in the rotating part to rotate;

and repeating the steps.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic front perspective view of a steel pipe pickling apparatus according to the present invention.

FIG. 2 is a schematic view of the rear perspective structure of the steel pipe pickling apparatus of the present invention.

FIG. 3 is a schematic view of the internal three-dimensional structure of the steel pipe pickling apparatus of the present invention.

Fig. 4 is a schematic perspective view of the housing of the present invention.

FIG. 5 is a schematic perspective view of the inner part of the stirring part of the present invention.

Fig. 6 is a schematic perspective view of the workbench according to the present invention.

Fig. 7 is a schematic perspective view of the telescopic adjustment part of the present invention.

FIG. 8 is a perspective view of the cleaning mechanism in the tube of the present invention.

Fig. 9 is a perspective view of the expanding part of the present invention.

In the attached drawings

100. Base body	200. Working table	300. Telescopic adjustment part	400. Cleaning mechanism in pipe	500. Outside of tubes wiper mechanism
					600. Steel pipe
101. Shell body	102. Wiping element	103. Visual board	104. Stirring part	105. Stirring paddle
					201. Sliding guide rail
301. Adjusting moving plate	302. Rotating electrical machine	303. Rotating part	304. Expansion part	305. Upright post
					306. Guide post
401. Acid pumping pipe	402. Stop block	403. Top block	404. Elastic part	405. Sleeve barrel
					406. Adjusting shaft	407. Wiping part	408. Water outlet	409. Telescopic part
501. Upper water spray head	502. Lower water spray head

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. But it is obvious. To one of ordinary skill in the art, the embodiments may be practiced without limitation to these specific details. In some instances, well-known fence reinforcement methods and structures have not been described in detail to avoid unnecessarily obscuring these embodiments. In addition, all embodiments may be used in combination with each other.