CN216192747U

CN216192747U - Pipeline circulation pickling device

Info

Publication number: CN216192747U
Application number: CN202122473305.2U
Authority: CN
Inventors: 刘国龙; 杜化波; 崔平
Original assignee: China Chemical Engineering No9 Construction Co ltd
Current assignee: China Chemical Engineering No9 Construction Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-04-05
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a pipeline circulating pickling device, which comprises a base and a pickling tank, wherein the lower end of the pickling tank is connected with a lifting platform, the upper end of the lifting platform is connected with a water pump, a water inlet pipe is connected between the water pump and the pickling tank, the right side wall of the pickling tank is connected with a water return pipe, the base is connected with a hydraulic machine, the hydraulic machine is connected with the lower end of the lifting platform, the base is connected with a neutralization tank, the side wall of the neutralization tank is connected with a drain pipe, a sampling pipe and a drain pipe, the lifting platform is driven by the hydraulic machine to lift, so that the pipeline can be conveniently connected and washed, the pickling tank and the neutralization tank are combined into a whole, waste liquid after the pipeline pickling is discharged into the neutralization pipe through the drain pipe to be neutralized, and the neutralized waste liquid is discharged into a sewage system through the drain pipe, so that the device is more environment-friendly.

Description

Pipeline circulation pickling device

Technical Field

The utility model relates to the technical field of pickling devices, in particular to a pipeline circulating pickling device.

Background

After the pipeline is installed, pipeline acid washing treatment is carried out, and the purpose of pipeline acid washing is to remove oxides and oil stains on the surface of the metal pipeline through chemical action so as to obtain a metal glossy surface. The cleanness of the inner wall of the pipeline is ensured. Meanwhile, the rust prevention treatment after the acid cleaning also protects the bottom metal of the pipe wall, so that the corrosion of one step is prevented. The pipeline acid cleaning is a key link of pipeline construction.

The current pipeline acid cleaning mode adopted in construction site is slotted acid cleaning method and circulating acid cleaning method.

A tank type acid pickling method: in the prior pipeline construction, the method is adopted, namely, the pipeline which is installed once is detached and is put into a pickling tank in sections for soaking. And carrying out secondary installation after the pipeline is qualified through acid cleaning treatment.

A circulating acid washing method: connecting the pipelines by hoses to form a pipeline, and pumping acid liquor into the pipelines by an acid pump for circular pickling. The pipeline which is installed once can be disconnected without being disassembled, and the disconnection of the hydraulic element can be carried out by connecting the hydraulic element with the hose. After the traditional circulating pickling method is used for cleaning a pipeline, acid liquor is usually directly discharged into a sewage pipeline, but the environment pollution is caused, the ecological environment is damaged, and aiming at the problems, a pipeline circulating pickling device is needed, so that the problems are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipeline circulating pickling device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a pipeline circulating pickling device cleans at least two pipelines to be cleaned, the at least two pipelines to be cleaned are sequentially arranged from large to small according to pipe diameters, the pipeline circulating pickling device comprises a base and a pickling tank, the at least two pipelines to be cleaned are connected through a hose, the lower end face of the pickling tank is connected with a lifting platform, the upper end face of the lifting platform is connected with a water pump, a water inlet pipe is connected between the water inlet end of the water pump and the lower end of the right side wall of the pickling tank, the pipeline with the large pipe diameter in the at least two pipelines to be cleaned is connected with the water outlet end of the water pump, a first valve is arranged on the water inlet pipe, the upper end of the pickling tank is connected with a first chemical feeding pipe, the upper end of the right side wall of the pickling tank is connected with a water return pipe, the pipeline with the small pipe diameter in the at least two pipelines to be cleaned passes through the hose and is connected with the water return pipe, the upper end of the base is connected with a hydraulic machine, the output of hydraulic press with lift platform's lower terminal surface center department is connected, the upper end of base just is located lift platform's right side is connected with the neutralizing tank, the left side wall upper end of neutralizing tank with be connected with the drain pipe between the right side wall lower extreme of descaling bath, be connected with the second valve on the drain pipe, the upper end of neutralizing tank is connected with the second and adds the pencil, the left side wall lower extreme of neutralizing tank is connected with the sampling pipe, be equipped with the third valve on the sampling pipe, the right side wall lower extreme of neutralizing tank is connected with the blow off pipe, be equipped with the fourth valve on the blow off pipe.

Preferably, the lifting platform is a rectangular platform, four corners of the lower end face of the lifting platform are connected with one end of a telescopic rod, and the other end of the telescopic rod is connected to the upper end of the base.

Preferably, the upper end of the base is located, the front side and the rear side of the right side of the neutralization groove are symmetrically connected with vertical plates, a winding roller is rotatably connected between the vertical plates, and the sewage discharge pipe is wound on the surface of the winding roller.

Preferably, the lateral wall center department of descaling bath is connected with first servo motor, first servo motor's output shaft end is connected with first pivot, first pivot runs through the descaling bath rotates to be connected on the inner wall of descaling bath, the surface of first pivot is connected with first stirring rod, the lateral wall center department of neutralization groove is connected with second servo motor, second servo motor's output shaft end is connected with the second pivot, the second pivot runs through the neutralization groove rotates to be connected on the inner wall of neutralization groove, the surface of second pivot is connected with the second stirring rod.

Preferably, the base is rotatably connected with a roller, and the side wall of the base is connected with a towing hook.

Preferably, the lifting platform is close to a side wall of the neutralization groove and is connected with a water pipe clamp, and the drain pipe is located in the water pipe clamp.

Preferably, the hose clamp is arranged at two ends of the hose.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a pipeline circulation acid dip pickle compares traditional pipeline acid dip pickle, drives lift platform through the hydraulic press and goes up and down, the connection and the washing of the pipeline of being convenient for to the device combines pickling case and neutralization case into an organic whole, and the waste liquid after the pickling of pipeline is arranged through the drain pipe and is carried out neutralization in the neutralization pipe, and the waste liquid after the neutralization is arranged sewage system through the blow off pipe in, more environmental protection.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1-base, 2-pickling tank, 3-lifting platform, 4-water pump, 5-water inlet pipe, 6-first chemical feeding pipe, 7-hydraulic press, 8-telescopic rod, 9-neutralization tank, 10-water outlet pipe, 11-second chemical feeding pipe, 12-first valve, 13-second valve, 14-sampling pipe, 15-third valve, 16-blow-off pipe, 17-fourth valve, 18-vertical plate, 19-winding roller, 20-first servo motor, 21-first rotating shaft, 22-first stirring rod, 23-second servo motor, 24-second rotating shaft, 25-second stirring rod, 26-roller, 27-towing hook, 28-water pipe hoop, 29-hose, 30-water return pipe, 31-hose band.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a pipeline circulating pickling device cleans at least two pipelines to be cleaned, the at least two pipelines to be cleaned are sequentially arranged from large to small according to the pipe diameters, the pipeline circulating pickling device comprises a base 1 and a pickling tank 2, the at least two pipelines to be cleaned are connected with each other in pairs through hoses 29, the two adjacent pipelines to be cleaned are connected together through the elastic performance of the hoses 29, the lower end face of the pickling tank 2 is fixedly connected with a lifting platform 3, the upper end face of the lifting platform 3 is fixedly connected with a water pump 4, a water inlet pipe 5 is connected between the water inlet end of the water pump 4 and the lower end of the right side wall of the pickling tank 2, a first valve 12 is arranged on the water inlet pipe 5, the upper end of the pickling tank 2 is connected with a first chemical adding pipe 6, acid liquor is added into the pickling tank 2 through the first chemical adding pipe 6, the upper end of the right side wall of the pickling tank 2 is connected with a water return pipe 30, the pipeline with the water outlet end of the water pump 4 through a flange plate in the at least two pipelines to be cleaned, the pipeline with small diameter in at least two pipelines to be cleaned is connected with a water return pipe 30 through a hose 29, if the pipeline flows from a small pipe to a large pipe, the pipe diameter is suddenly increased, the flow rate is reduced, and impurities in the pipeline are easily deposited, so the pipeline to be cleaned needs to flow from the large pipe to the small pipe, at least two pipelines to be cleaned are connected through the hose 29 to form a loop, a water pump 4 is started to pump acid liquor in a pickling tank 2 into the pipeline for circular pickling, the upper end of a base 1 is connected with a hydraulic machine 7, the output end of the hydraulic machine 7 is connected with the center of the lower end face of a lifting platform 3, the lifting platform 3 can be driven to lift through starting the hydraulic machine 7, when the lifting platform 3 descends, a worker can conveniently connect at least two pipelines to be cleaned, the upper end face of the base 1 is fixedly connected with a neutralization tank 9 on the right side of the lifting platform 3, a drain pipe 10 is connected between the upper end of the left side wall of the neutralization tank 9 and the lower end of the right side wall of the pickling tank 2, when the lifting platform 3 rises, because a height difference is formed between the pickling tank 2 and the neutralizing tank 9, waste liquid in the pickling tank 2 conveniently flows into the neutralizing tank 9 through the drain pipe 10, the drain pipe 10 is connected with the second valve 13, the upper end of the neutralizing tank 9 is connected with the second chemical adding pipe 11, alkaline solution is added into the neutralizing tank 9 through the second chemical adding pipe 11, the lower end of the left side wall of the neutralizing tank 9 is connected with the sampling pipe 14, the PH value of the mixed liquid in the neutralizing tank 9 is taken through the sampling pipe 14, the sampling pipe 14 is provided with the third valve 15, the lower end of the right side wall of the neutralizing tank 9 is connected with the drain pipe 16, the drain pipe 16 is a rubber hose, the drain pipe 16 is provided with the fourth valve 17, when the device is used for cleaning pipelines, at least two pipelines to be cleaned are connected together through the hose 29, the lifting platform 3 is lowered through the hydraulic machine 7, the pipelines with large pipe diameters in the at least two pipelines to be cleaned are connected with the water outlet end of the water pump 4 through the flange plate, at least two pipelines to be cleaned with small pipe diameter are connected with a water return pipe 30 through a hose 29, the at least two pipelines to be cleaned are connected through the hose 29 to form a loop, acid liquor is added into a pickling tank 2 through a first chemical adding pipe 6, a first valve 12 on a water inlet pipe 5 is opened, a water pump 4 is started to pump the acid liquor in the pickling tank 2 into the pipelines to be cleaned for circular pickling, after the pickling is completed, the first valve 12 is closed, a lifting platform is lifted through a hydraulic machine 7, a height difference is formed between the pickling tank 2 and a neutralization tank 9, a second valve 13 on a drain pipe 10 is opened, waste liquid in the pickling tank 2 flows into the neutralization tank 9 through the drain pipe 10, alkaline solution is added into the neutralization tank 9 through a second chemical adding pipe 11, the alkaline solution in the neutralization tank 9 reacts with the acid solution discharged by the drain pipe 10 for neutralization, after a period of reaction, a third valve 15 on a sampling pipe 14 is opened to collect mixed liquid, and measuring the pH value of the mixed liquor, wherein when the pH value is between 7 and 9, the mixed liquor reaches the discharge standard, and when the mixed liquor reaches the discharge standard, opening a fourth valve 17 on the sewage discharge pipe 16, and discharging the neutralized mixed liquor into the sewage treatment system through the sewage discharge pipe 16.

Particularly, lift platform 3 is the rectangle platform, and four corners of lift platform 3 lower terminal surface all are connected with the one end of telescopic link 8, and the upper end at base 1 is connected to the other end of telescopic link 8, has increased the stability of lift platform 3 when going up and down through telescopic link 8.

Particularly, the upper end of the base 1 is symmetrically connected with vertical plates 18 around the right side of the neutralization groove 9, a winding roller 19 is connected between the two vertical plates 18 in a rotating mode, and the sewage discharge pipe 16 is convenient to collect and arrange the sewage discharge pipe 16 on the surface of the winding roller 19.

Specifically, a first servo motor 20 is connected at the center of the side wall of the pickling tank 2, an output shaft end of the first servo motor 20 is connected with a first rotating shaft 21, the first rotating shaft 21 penetrates through the pickling tank 2 and is rotatably connected to the inner wall of the pickling tank 2, a first stirring rod 22 is connected to the surface of the first rotating shaft 21, the first servo motor 20 is started to drive the first stirring rod 22 on the first rotating shaft 21 to stir the acid liquor in the pickling tank 2, the pickling effect is improved, a second servo motor 23 is connected at the center of the side wall of the neutralization tank 9, a second rotating shaft 24 is connected to the output shaft end of the second servo motor 23, the second rotating shaft 24 penetrates through the neutralization tank 9 and is rotatably connected to the inner wall of the neutralization tank 9, a second stirring rod 25 is connected to the surface of the second rotating shaft 24, the second servo motor 23 is started, when the acid liquor in the pickling tank 2 is discharged into the neutralization tank 9, the second servo motor 23 can drive the second stirring rod 25 to stir the mixed liquor in the pickling tank 9 through the second rotating shaft 24, the neutralization effect of the mixed liquid in the neutralization tank 9 is improved.

Particularly, the base 1 is rotatably connected with the roller 26, the side wall of the base 1 is connected with the towing hook 27, and the towing hook 27 can be hung on the operation vehicle, so that the device is convenient to drive to move, and the practicability of the device is improved.

Particularly, a water pipe clamp 28 is connected to a side wall of the lifting platform 3 close to the neutralization groove 9, the water discharge pipe 10 is located in the water pipe clamp 28, the water discharge pipe 10 can move up and down in the water pipe clamp 28, and the water discharge pipe 10 can be prevented from being bent greatly when the lifting platform 3 is lifted through the water pipe clamp 28.

Specifically, hose clamps 31 are provided at both ends of the hose 29, and both ends of the hose 29 can be fixed by the hose clamps 31, thereby preventing water leakage at joints at both ends of the hose 29 during flushing.

The working principle is as follows: the utility model relates to a pipeline circulating pickling device, when the device is used for cleaning pipelines, at least two pipelines to be cleaned are connected together through a hose 29, a lifting platform 3 is lowered through a hydraulic machine 7, a pipeline with a large pipe diameter in the at least two pipelines to be cleaned is connected with the water outlet end of a water pump 4 through a flange, a pipeline with a small pipe diameter in the at least two pipelines to be cleaned is connected with a water return pipe 30 through the hose 29, the at least two pipelines to be cleaned are connected through the hose 29 to form a loop, acid liquor is added into a pickling tank 2 through a first medicine adding pipe 6, a first valve 12 on a water inlet pipe 5 is opened, the water pump 4 is started to pump the acid liquor in the pickling tank 2 into the pipelines to be cleaned for pickling circulation, after pickling is completed, the first valve 12 is closed, the lifting platform is lifted through the hydraulic machine 7, and a height difference is formed between the pickling tank 2 and a neutralization tank 9, the second valve 13 on the water discharge pipe 10 is opened, the waste liquid in the pickling tank 2 flows into the neutralizing tank 9 through the water discharge pipe 10, the alkaline solution is added into the neutralizing tank 9 through the second chemical adding pipe 11, the alkaline solution in the neutralizing tank 9 reacts with the acidic solution discharged from the water discharge pipe 10 to neutralize, after a period of reaction, the third valve 15 on the sampling pipe 14 is opened to collect the mixed liquid, the pH value of the mixed liquid is measured, when the pH value is between 7 and 9, the mixed liquid reaches the discharge standard, when the mixed liquid reaches the discharge standard, the fourth valve 17 on the drain pipe 16 is opened, the neutralized mixed liquid is discharged into the sewage treatment system through the drain pipe 16, compared with the traditional pipeline pickling device, the device integrates the pickling tank and the neutralizing tank, the waste liquid after pipeline pickling can be neutralized and discharged, and the environment is better protected.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pipeline circulation pickling installation, treats to wash the pipeline to at least two and washs, and at least two are treated to wash the pipeline and are arranged by its pipe diameter in proper order from big to little, pipeline circulation pickling installation includes base (1) and descaling bath (2), its characterized in that: at least two pipelines to be cleaned are connected through a hose (29), the lower end face of the pickling tank (2) is connected with a lifting platform (3), the upper end face of the lifting platform (3) is connected with a water pump (4), the water inlet end of the water pump (4) is connected with a water inlet pipe (5) between the lower end of the right side wall of the pickling tank (2), at least two pipelines to be cleaned have large pipe diameters and are connected with the water outlet end of the water pump (4), a first valve (12) is arranged on the water inlet pipe (5), the upper end of the pickling tank (2) is connected with a first chemical dosing pipe (6), the upper end of the right side wall of the pickling tank (2) is connected with a water return pipe (30), at least two pipelines to be cleaned have small pipe diameters and are connected with the water return pipe (30) through the hose (29), the upper end of the base (1) is connected with a hydraulic machine (7), the output of hydraulic press (7) with the lower terminal surface center department of lift platform (3) connects, the upper end of base (1) just is located the right side of lift platform (3) is connected with neutralization groove (9), the left side wall upper end of neutralization groove (9) with be connected with drain pipe (10) between the right side wall lower extreme of descaling bath (2), be connected with second valve (13) on drain pipe (10), the upper end of neutralization groove (9) is connected with second dosing pipe (11), the left side wall lower extreme of neutralization groove (9) is connected with sampling pipe (14), be equipped with third valve (15) on sampling pipe (14), the right side wall lower extreme of neutralization groove (9) is connected with blow off pipe (16), be equipped with fourth valve (17) on blow off pipe (16).

2. The pipeline circulating pickling device of claim 1, characterized in that: lifting platform (3) are the rectangle platform, four corners of terminal surface all are connected with the one end of telescopic link (8) under lifting platform (3), the other end of telescopic link (8) is connected the upper end of base (1).

3. The pipeline circulating pickling device of claim 1, characterized in that: the upper end of the base (1) is located a vertical plate (18) is symmetrically connected to the front and the back of the right side of the neutralization groove (9), a winding roller (19) is connected between the vertical plates (18) in a rotating mode, and the blow-off pipe (16) is arranged on the surface of the winding roller (19) in a winding mode.

4. The pipeline circulating pickling device of claim 1, characterized in that: lateral wall center department of descaling bath (2) is connected with first servo motor (20), the output axle head of first servo motor (20) is connected with first pivot (21), first pivot (21) run through descaling bath (2) are rotated and are connected on the inner wall of descaling bath (2), the surface of first pivot (21) is connected with first stirring rod (22), the lateral wall center department of neutralization groove (9) is connected with second servo motor (23), the output axle head of second servo motor (23) is connected with second pivot (24), second pivot (24) run through neutralization groove (9) are rotated and are connected on the inner wall of neutralization groove (9), the surface of second pivot (24) is connected with second stirring rod (25).

5. The pipeline circulating pickling device of claim 1, characterized in that: the base (1) is connected with a roller (26) in a rotating mode, and the side wall of the base (1) is connected with a towing hook (27).

6. The pipeline circulating pickling device of claim 1, characterized in that: lifting platform (3) are close to be connected with water pipe clamp (28) on the lateral wall of neutralization groove (9), drain pipe (10) are located in water pipe clamp (28).

7. The pipeline circulating pickling device of claim 1, characterized in that: and hose clamps (31) are arranged at two ends of the hose (29).