System of corrosive liquid used for detecting machining defects of turbine disc finished product

Abstract

The utility model discloses a system for detecting corrosive liquid used for processing defects of a turbine disc finished product. The system comprises an acid-alkali liquid original barrel, a solution preparation tank and a deionized water barrel, the solution preparation tank is communicated with the original acid and alkali liquor barrel through an acid and alkali liquor pipeline, a metering pump is mounted on the acid and alkali liquor pipeline, and the acid and alkali liquor pipeline is used for guiding acid liquor or alkali liquor in the original acid and alkali liquor barrel into the solution preparation tank; deionized water is contained in the deionized water bucket, and the deionized water bucket is communicated with the acid and alkali liquor pipeline through a deionized water pipeline and used for guiding the deionized water into the solution preparation tank containing acid liquor or alkali liquor to dilute the acid liquor or alkali liquor so as to obtain corrosive liquid; the device is convenient and simple to operate, an operator is prevented from being in contact with an original acid and alkali liquor barrel, and the operation safety is improved; acid-base liquid is prepared through the metering pump, so that the accuracy is improved; acid and alkali liquor with required concentration can be rapidly prepared, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the turbine disc processing technical field, more particularly to a system of corrosion liquid used when detecting turbine disc finished product processing defect. BACKGROUND

[0002] Turbine disc as important component in turbine, its processing process can appear multiple defects:

[0003] (1) surface scab: this kind of defect can cause workpiece to produce stress concentration easily, and then cause fatigue fracture, in addition, surface scab can also affect subsequent turning, make it difficult to clamp correctly and reduce processing efficiency;

[0004] (2) burr or scratch: these defects can also affect the correct clamping and efficiency of turning, serious scratch not only can reduce the strength of steel, also can cause crack to produce.

[0005] In processing defect of turbine disc finished product, corrosion liquid is an effective means, such as: turbine disc is hung in sodium hydroxide and sodium cyanide mixed solution as anode;Turbine disc is put into sulfuric acid solution and carries out anodic corrosion;Turbine disc is immersed in sodium carbonate solution and carries out neutralization;Turbine disc is immersed in deionized water higher than 50 DEG C etc.

[0006] At present, artificial preparation corrosion liquid has certain defects:

[0007] (1) safety risk, corrosion liquid usually has strong chemical reactivity, can cause harm to human body and environment.For example, concentrated acid, concentrated alkali and other corrosion liquid can cause skin burn, eye injury, and even cause damage to respiratory system;

[0008] (2) precision problem, when artificial preparation corrosion liquid, can appear inaccurate proportioning, unstable concentration etc.Problems, this can influence the effect and safety of corrosion liquid;

[0009] (3) low efficiency, the process of artificial preparation corrosion liquid can be more tedious and time-consuming, influence work efficiency;

[0010] (4) environmental pollution, in the preparation and use process of corrosion liquid, can produce harmful waste and gas, cause pollution to environment;

[0011] (5) operation is complex, artificial preparation corrosion liquid can need to carry out complex chemical reaction and operation, the technical level of operator is higher. CONTENT OF THE UTILITY MODEL

[0012] The utility model discloses a system of corrosion liquid used when detecting turbine disc finished product machining defect, to solve the problem of poor safety, inaccuracy, low efficiency and complicated operation of artificial preparation of corrosion liquid.

[0013] The utility model discloses the following technical scheme: a system of corrosion liquid used when detecting turbine disc finished product machining defect, comprising:

[0014] Acid and alkali liquid original barrel;

[0015] Solution preparation groove is connected with acid and alkali liquid original barrel through acid and alkali liquid pipeline, and the acid and alkali liquid pipeline is installed with metering pump, and the acid and alkali liquid pipeline is used to guide the acid liquid or alkali liquid of acid and alkali liquid original barrel into solution preparation groove;

[0016] Deionized water bucket is filled with deionized water, and is connected with acid and alkali liquid pipeline through deionized water pipeline, and is used to guide the deionized water into solution preparation groove filled with acid liquid or alkali liquid to dilute acid liquid or alkali liquid and obtain corrosion liquid, which is convenient for detecting the machining defect of turbine disc finished product.

[0017] Further, the acid and alkali liquid original barrel is provided with multiple acid and alkali liquid original barrels side by side, and each is filled with acid liquid or alkali liquid.

[0018] Further, the acid and alkali liquid original barrel is connected with acid and alkali liquid pipeline through first pipeline, and the first pipeline is installed with first stop valve, and the first stop valve is used to close first pipeline, to avoid the acid liquid or alkali liquid in acid and alkali liquid original barrel entering acid and alkali liquid pipeline, so that the deionized water enters solution preparation groove through acid and alkali liquid pipeline.

[0019] Further, the deionized water bucket is connected with acid and alkali liquid pipeline through second pipeline, and the second pipeline is installed with second stop valve, and the second stop valve is used to close second pipeline, to avoid the deionized water in deionized water bucket entering acid and alkali liquid pipeline, so that the acid liquid or alkali liquid of acid and alkali liquid original barrel enters solution preparation groove through acid and alkali liquid pipeline.

[0020] Further, one end of acid and alkali liquid pipeline that stretches into solution preparation groove is divided into two ways, and is third pipeline and fourth pipeline respectively, the third pipeline is installed with third stop valve, and the third stop valve is used to guide the acid liquid or alkali liquid to enter solution preparation groove through third pipeline when it is in the open state, the fourth pipeline is installed with fourth stop valve, and the fourth stop valve is used to guide the deionized water to enter solution preparation groove through fourth pipeline when it is in the open state.

[0021] Further, the fourth pipeline is provided with a pH meter, the pH meter is used for measuring the pH value of the deionized water flowing out of the fourth pipeline, so that the acid liquid or the alkali liquid in the acid-alkali liquid pipeline is washed clean by the deionized water, and when a plurality of acid-alkali liquid original barrels are arranged, the preparation of the corrosion liquid is not interfered by the acid liquid or the alkali liquid not being washed clean in the previous time.

[0022] The utility model discloses the beneficial effects are:

[0023] The utility model discloses the solution preparation tank is communicated with acid-alkali liquid original barrel through acid-alkali liquid pipeline, and the metering pump is installed on the acid-alkali liquid pipeline, can carry out quantitative to the acid-alkali liquid that leads into the solution preparation tank, and the deionized water barrel is communicated with acid-alkali liquid pipeline through deionized water pipeline, can lead into the solution preparation tank that holds acid liquid or alkali liquid and dilutes acid liquid or alkali liquid to obtain corrosion liquid.

[0024] The utility model discloses convenient, simple, only need to operate stop valve to prepare the acid-alkali liquid of different concentration, avoid the operator to contact acid-alkali liquid original barrel, improved the operation safety, and the acid-alkali liquid of preparation is prepared through metering pump, improved the concentration accuracy of acid-alkali liquid of preparation, and can prepare the acid-alkali liquid of required concentration quickly, improved production efficiency.

[0025] The utility model discloses the pH meter is installed on the fourth pipeline, can observe the pH of the deionized water flowing out of the fourth pipeline in time, and then guarantee that the acid liquid or alkali liquid in the acid-alkali liquid pipeline is washed clean by the deionized water, and when a plurality of acid-alkali liquid original barrels are arranged, the preparation of the corrosion liquid is not interfered by the acid liquid or the alkali liquid not being washed clean in the previous time. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the structural schematic diagram of the utility model.

[0027] 1. acid-alkali liquid original barrel, 2. solution preparation tank, 3. acid-alkali liquid pipeline, 301. first pipeline, 302. second pipeline, 303. third pipeline, 304. fourth pipeline, 4. metering pump, 5. deionized water barrel. DETAILED DESCRIPTION

[0028] The utility model will be described in detail below combining with the drawings and specific embodiment.

[0029] The utility model discloses a kind of corrosion liquid's system for detecting turbine disk finished piece machining defect, as shown in Fig. Figure 1 As shown in Fig.

[0030] The solution preparation tank 2 is connected with the acid-alkali liquid original barrel 1 through an acid-alkali liquid pipeline 3, and a metering pump 4 is installed on the acid-alkali liquid pipeline 3.

[0031] The deionized water barrel 5 is connected with the acid-alkali liquid pipeline 3 through a deionized water pipeline, and the deionized water barrel 5 is used for guiding the deionized water into the solution preparation tank 2 containing the acid liquid or the alkali liquid to dilute the acid liquid or the alkali liquid and obtain the corrosion liquid, so as to facilitate the detection of the machining defects of the turbine disc finished product.

[0032] The acid-alkali liquid original barrel 1 is provided with a plurality of acid-alkali liquid original barrels 1 arranged side by side and containing the acid liquid or the alkali liquid.

[0033] The deionized water barrel 5 is connected with the acid-alkali liquid pipeline 3 through a second pipeline 302, and a second stop valve is installed on the second pipeline 302.

[0034] The acid-alkali liquid original barrel 1 is connected with the acid-alkali liquid pipeline 3 through a first pipeline 301, and a first stop valve is installed on the first pipeline 301.

[0035] The acid-alkali liquid pipeline 3 is divided into a third pipeline 303 and a fourth pipeline 304 at the end extending into the solution preparation tank 2, and the third pipeline 303 is provided with a third stop valve.

[0036] The use method of the utility model:

[0037] When the acid solution needs to be prepared, the cleaning solution preparation tank 2 is placed at one end of the acid-alkali solution pipeline 3, the first stop valve of the first pipeline 301 and the third stop valve of the third pipeline 303 of the corresponding acid-alkali solution original barrel 1 are opened, so that the acid solution or the alkali solution enters the solution preparation tank 2, after the predetermined amount of acid solution or alkali solution is placed, the first stop valve and the third stop valve are closed, the second stop valve of the second pipeline 302 and the fourth stop valve of the fourth pipeline 304 are opened, so that the deionized water of the deionized water barrel 5 enters the acid-alkali solution pipeline 3, and then the deionized water is used to flush the residual acid solution or alkali solution in the acid-alkali solution pipeline 3 and guide the flushed deionized water into the solution preparation tank 2, so that there is no acid solution or alkali solution in the acid-alkali solution pipeline 3 when other corrosive liquid is prepared next time, and then the pH value of the corrosive liquid prepared next time is prevented from being polluted.

[0038] The utility model discloses the solution preparation tank 2 is connected with the acid-alkali solution original barrel 1 through the acid-alkali solution pipeline 3, and the metering pump 4 is installed on the acid-alkali solution pipeline 3, can be quantitative to the acid-alkali solution that guides into the solution preparation tank 2, through the deionized water barrel 5 is connected with the acid-alkali solution pipeline 3 through the deionized water pipeline, can guide the deionized water into the solution preparation tank 2 that has acid solution or alkali solution and dilutes the acid solution or alkali solution and then obtains corrosive liquid.

[0039] The utility model discloses convenient, simple, only need to operate stop valve to prepare the acid-alkali solution of different concentration, avoids the operator to contact acid-alkali solution original barrel, improves the operation safety, prepares the acid-alkali solution through the metering pump, improves the concentration accuracy of the acid-alkali solution prepared, and can quickly prepare the acid-alkali solution of required concentration, improves production efficiency.

Claims

1. A system for detecting machining defects in finished turbine disk parts using a corrosive liquid, characterized in that, The utility model relates to a kind of acid-alkali liquid preparation systems, including: Acid-alkali liquid original barrel (1); Solution preparation tank (2) is communicated with the acid-alkali liquid original barrel (1) by acid-alkali liquid pipeline (3), and metering pump (4) is installed on the acid-alkali liquid pipeline (3), and the acid-alkali liquid pipeline (3) is used to guide the acid liquid or alkali of acid-alkali liquid original barrel (1) into solution preparation tank (2); Deionized water bucket (5) is filled with deionized water, and is communicated with the acid-alkali liquid pipeline (3) by deionized water pipeline, and is used to guide deionized water into solution preparation tank (2) filled with acid liquid or alkali to dilute acid liquid or alkali to obtain corrosive liquid, to facilitate the detection of turbine disc finished piece processing defects.

2. A system for use in detecting processing defects in a finished turbine disk using an etching liquid as recited in claim 1, wherein The acid-alkali liquid original barrel (1) is provided with multiple and respectively filled with acid liquid or alkali.

3. A system for use in detecting processing defects in a finished turbine disk part using an etching liquid as recited in claim 2, wherein The acid-alkali liquid original barrel (1) is communicated with the acid-alkali liquid pipeline (3) by first pipeline (301), and first stop valve is installed on the first pipeline (301), and the first stop valve is used to close the first pipeline (301), to avoid the acid liquid or alkali in the acid-alkali liquid original barrel (1) into the acid-alkali liquid pipeline (3), so that deionized water enters solution preparation tank (2) through the acid-alkali liquid pipeline (3).

4. A system for use in etching a liquid for use in detecting processing defects in a finished turbine disk part as defined in claim 2 wherein, The deionized water bucket (5) is communicated with the acid-alkali liquid pipeline (3) by second pipeline (302), and second stop valve is installed on the second pipeline (302), and the second stop valve is used to close the second pipeline (302), to avoid the deionized water in the deionized water bucket (5) into the acid-alkali liquid pipeline (3), so that the acid liquid or alkali of acid-alkali liquid original barrel (1) enters solution preparation tank (2) through the acid-alkali liquid pipeline (3).

5. A system for use in detecting processing defects in a finished turbine disk part using an etching liquid as recited in claim 1, wherein, The acid-alkali liquid pipeline (3) is divided into two ways and respectively third pipeline (303) and fourth pipeline (304) at one end of solution preparation tank (2), third stop valve is installed on the third pipeline (303), and the third stop valve is used to guide the acid liquid or alkali into solution preparation tank (2) through the third pipeline (303) when it is in the open state, fourth stop valve is installed on the fourth pipeline (304), and the fourth stop valve is used to guide deionized water into solution preparation tank (2) through the fourth pipeline (304) when it is in the open state.

6. A system for use in etching a liquid for use in detecting processing defects in a finished turbine disk part as defined in claim 5 wherein, Fourth pipeline (304) is installed with pH meter, and the pH meter is used to measure the pH value of deionized water flowing out from the fourth pipeline (304), so as to ensure that the acid liquid or alkali in the acid-alkali liquid pipeline is washed clean by deionized water, and avoid that when multiple acid-alkali liquid original barrels (1) are provided, the acid liquid or alkali of previous time is not washed clean, to interfere with the preparation of this time corrosive liquid.

Images