Corrosion testing device for casing pipe

Abstract

The utility model discloses a casing pipe corrosion testing device which comprises a solution box, a testing box is installed in the middle of the interior of the solution box, fixing plates are installed on the inner wall and the outer wall of the two sides of the testing box respectively, a liquid inlet pipe is installed on the inner side of the fixing plate located on the outer side, and a pump body is arranged above the fixing plate located on the inner side. The output end of the pump body is connected with a liquid discharging pipe, a switch valve is installed outside the liquid discharging pipe, the liquid discharging pipe is connected with the fixing plate located on the inner side, and the tail end of the liquid inlet pipe penetrates through the side wall of the testing box and is connected with the input end of the pump body; according to the corrosion testing device for the casing pipe, the testing liquid level can be conveniently controlled, so that comparison observation is facilitated, and a testing pipeline is conveniently fed in and taken out.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline test field, concretely is a well wall pipe corrosion testing arrangement. BACKGROUND

[0002] Well wall pipe needs to test its corrosion resistance after production, so that the durability after putting into use can be judged, and the well wall pipe is immersed through the testing device, and the corrosion resistance effect can be judged by observing the change of the pipeline after the corrosion liquid contacts the pipeline.

[0003] However, the existing well wall pipe corrosion testing device cannot flexibly adjust the liquid level of the corrosion liquid during testing, and the well wall pipe is not convenient to send into and take out from the corrosion liquid, and there is liquid drop during taking out, which brings trouble to subsequent cleaning. UTILITY MODEL CONTENTS

[0004] The utility model discloses a well wall pipe corrosion testing device, which effectively solves the technical problems in the background art.

[0005] The utility model discloses a well wall pipe corrosion testing device, which effectively solves the technical problems in the background art.

[0006] A well wall pipe corrosion testing device, comprising a solution tank, a test tank is installed in the center of the inside of the solution tank, a fixed plate is installed on the inside and outside walls of the two sides of the test tank, a liquid inlet pipe is installed on the inside of the fixed plate on the outside, a pump body is arranged above the fixed plate on the inside, an outlet pipe is connected to the output end of the pump body, a switch valve is installed on the outside of the outlet pipe, the outlet pipe is connected to the fixed plate on the inside, and the end of the liquid inlet pipe penetrates the side wall of the test tank and is connected to the input end of the pump body.

[0007] As a further scheme of the utility model, the bottom of the solution tank is provided with a supporting leg on both sides, and the supporting leg is vertically arranged on the bottom of the solution tank.

[0008] As a further scheme of the utility model, a sealing sleeve is installed in the center of the bottom of the solution tank, a threaded sleeve is installed on the inside of the sealing sleeve, an adjusting screw is threadedly connected to the inside of the threaded sleeve, a turntable is connected to the bottom of the adjusting screw, a clamping seat is connected to the top end of the adjusting screw, and the clamping seat is arranged in the inside of the test tank.

[0009] As a further scheme of the utility model, the clamping seat is circularly arranged, an opening is arranged on the top of the clamping seat, and a leakage hole is arranged in the center of the bottom of the clamping seat.

[0010] As a further scheme of the utility model, a plurality of screw holes are equidistantly arranged on the outer wall of the clamping seat, clamping screws are threadedly connected to the screw holes, and one end of the clamping screw in the inside of the clamping seat is connected to a pad.

[0011] As a further scheme of the utility model, the liquid inlet pipe and the liquid outlet pipe are integrally arranged in an inverted U shape, and the liquid inlet pipe and the liquid outlet pipe are level in height at the bottom.

[0012] The utility model discloses beneficial effects of:

[0013] The utility model discloses through setting up test box cooperation liquid inlet pipe and liquid outlet pipe, can pass through the isolation of test box, utilizes the pump body work, controls the liquid level in test box, and then conveniently adjusts the liquid level in test box for different test conditions, can make that test box can carry out the well wall pipe full submergence and partial submergence test operation.

[0014] Through setting up the adjusting screw, can drive the clamping seat to ascend or move down through the rotation adjusting screw, convenient for the pipeline to be sent into the test box, and after test, can conveniently take down the well wall pipe after test, because the clamping seat can be separated from the test liquid, can reduce the content of the test liquid adhered to the outer wall of the well wall pipe, and facilitate the subsequent rapid drying treatment. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in combination with the drawings.

[0016] Figure 1 It is the overall structure schematic view of the utility model.

[0017] Figure 2 It is the front view of the utility model.

[0018] Figure 3 It is the cross-sectional view of the solution tank of the utility model.

[0019] Figure 4 It is the top view of the clamping seat of the utility model.

[0020] In the drawing: 1, solution tank;2, supporting leg;3, test box;4, adjusting screw;5, rotating disc;6, sealing sleeve;7, threaded sleeve;8, clamping seat;9, fixed plate;10, liquid inlet pipe;11, pump body;12, liquid outlet pipe;13, on-off valve;14, clamping screw;15, pad plate. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be clearly and completely described below in combination with embodiments, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] For example, Figures 1-4As shown, a kind of well wall pipe corrosion testing device, including solution tank 1, the inside of solution tank 1 is centrally installed with test tank 3, both sides of test tank 3 are installed with fixed plate 9, and the inside of fixed plate 9 located outside is installed with liquid inlet pipe 10, the top of fixed plate 9 located inside is provided with pump body 11, and the output end of pump body 11 is connected with liquid outlet pipe 12, and the outside of liquid outlet pipe 12 is installed with switch valve 13, and liquid outlet pipe 12 is connected with fixed plate 9 located inside, and the end of liquid inlet pipe 10 penetrates the lateral wall of test tank 3 and is connected with the input end of pump body 11.

[0023] The bottom of solution tank 1 is installed with support 2 on both sides, and support 2 is vertically arranged with the bottom of solution tank 1.

[0024] Specifically, solution tank 1 is supported by support 2, providing installation height, and facilitating the operation of rotating adjusting screw 4.

[0025] The bottom of solution tank 1 is centrally installed with sealing sleeve 6, and the inside of sealing sleeve 6 is installed with threaded sleeve 7, and adjusting screw 4 is screw-connected in the inside of threaded sleeve 7, the bottom of adjusting screw 4 is connected with rotating disc 5, and the top end of adjusting screw 4 is connected with clamping seat 8, and clamping seat 8 is located in the inside of test tank 3.

[0026] Specifically, by rotating rotating disc 5 to drive adjusting screw 4 to rotate, the height of clamping seat 8 is adjusted, which facilitates the height adjustment of the testing height of the pipeline in test tank 3.

[0027] Clamping seat 8 is circularly arranged, and the top of clamping seat 8 is provided with an opening, and a leak hole is formed in the bottom center of clamping seat 8.

[0028] A plurality of screw holes are equidistantly formed through the outer wall of clamping seat 8, and clamping screw 14 is screw-connected in the screw holes, and one end of clamping screw 14 located in the inside of clamping seat 8 is connected with pad 15.

[0029] Specifically, by rotating clamping screw 14, pad 15 is attached to the outer wall of the test well wall pipe, so as to fix the well wall pipe. And the leak hole is formed, so that the test liquid in the inside of clamping seat 8 can leak out after the height of clamping seat 8 rises.

[0030] Liquid inlet pipe 10 and liquid outlet pipe 12 are integrally arranged in inverted U shape, and the bottom of liquid inlet pipe 10 and liquid outlet pipe 12 is level.

[0031] A kind of well wall pipe corrosion testing device, when using, first pour corrosion testing solution in solution tank 1, then rotate carousel 5 and drive adjusting screw 4 to rise, send out clamping seat 8 from test tank 3, place the well wall pipe to be tested bottom in clamping seat 8, rotate each clamping screw 14 and drive pad 15 and pipe wall to be combined, fixed well wall pipe, again rotate adjusting screw 4 and send well wall pipe into test tank 3, then start pump body 11 and draw solution in solution tank 1 into liquid inlet pipe 10, open switch valve 13, then test liquid enters into drain pipe 12, into the inside of test tank 3, can be controlled by the opening and closing of switch valve 13, the liquid level in test tank 3.

[0032] According to the control of the liquid level in test tank 3, two different test modes of well wall pipe partially immersed in test liquid or completely immersed in test liquid can be selected, when well wall pipe is partially immersed in test liquid for corrosion test, it is convenient to compare and observe the uncorroded part and the corrosion test part.

[0033] After testing, well wall pipe after testing can be sent out from test liquid by rotating adjusting screw 4, as clamping seat 8 rises, test liquid in its inside leaks from leak hole, then well wall pipe can be taken down by loosening clamping screw 14, and then well wall pipe after testing can be collected, to reduce subsequent dripping.

[0034] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and do not limit the utility model to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that those skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A device for testing the corrosion of a well casing pipe, comprising a solution tank (1), characterized in that, The inside of the solution tank (1) is centrally provided with a test tank (3), the inner and outer walls of the two sides of the test tank (3) are provided with fixed plates (9), the inside of the fixed plate (9) on the outer side is provided with a liquid inlet pipe (10), the top of the fixed plate (9) on the inner side is provided with a pump body (11), the output end of the pump body (11) is connected with a liquid outlet pipe (12), the outside of the liquid outlet pipe (12) is provided with an on-off valve (13), the liquid outlet pipe (12) is connected with the fixed plate (9) on the inner side, and the tail end of the liquid inlet pipe (10) penetrates the side wall of the test tank (3) and is connected with the input end of the pump body (11).

2. A borehole wall pipe corrosion testing device according to claim 1, wherein, The bottom of the solution tank (1) is provided with a supporting leg (2) on both sides, and the supporting leg (2) is vertically arranged on the bottom of the solution tank (1).

3. A borehole wall pipe corrosion testing device as defined in claim 1, wherein, The bottom of the solution tank (1) is centrally provided with a sealing sleeve (6), and the inside of the sealing sleeve (6) is provided with a threaded sleeve (7), the inside of the threaded sleeve (7) is threadedly connected with an adjusting screw (4), the bottom of the adjusting screw (4) is connected with a rotating disc (5), and the top end of the adjusting screw (4) is connected with a clamping seat (8), and the clamping seat (8) is located in the inside of the test tank (3).

4. An apparatus for testing the corrosion of a borehole casing pipe according to claim 3, wherein The clamping seat (8) is circularly arranged, and the top of the clamping seat (8) is provided with an opening, and the bottom center of the clamping seat (8) is provided with a leakage hole.

5. An apparatus for testing the corrosion of a borehole casing pipe according to claim 4, wherein A plurality of screw holes are equidistantly formed through the outer wall of the clamping seat (8), and the screw holes are threadedly connected with clamping screws (14), and one end of the clamping screw (14) located in the inside of the clamping seat (8) is connected with a backing plate (15).

6. A borehole wall pipe corrosion testing device according to claim 1, wherein, The liquid inlet pipe (10) and the liquid outlet pipe (12) are integrally arranged in an inverted U shape, and the bottom of the liquid inlet pipe (10) and the liquid outlet pipe (12) is flush.

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