Variable channel circulating gas corrosion test device

Abstract

The utility model relates to a variable channel circulating gas corrosion test device which comprises a to-be-detected component, an acid detection component, an alkali detection component, a controller and a cylinder body for waste gas treatment, a horizontal partition plate is arranged in the cylinder body and divides the cylinder body into a first chamber and a second chamber, and the first chamber and the second chamber are communicated with each other. Exhaust mechanisms are arranged at the bottoms of the first cavity and the second cavity respectively, an acid gas pipe, an alkali gas pipe, a first water inlet pipe, a second water inlet pipe, a first water outlet pipe, a second water outlet pipe, a communicating pipe and an electronic control valve are arranged on the side wall of the barrel, and each exhaust mechanism comprises a mounting plate, a scattering type gas distributing pipe, a mounting frame and a bubble breaking net. Through the design of the barrel, the horizontal partition plate, the communicating pipe, the first spiral blade and the second spiral blade, temporary storage, neutralization reaction and free switching are achieved, compared with a single reaction barrel, two sets of acidity detection and alkalinity detection can be conducted at the same time, waste gas generated through detection can be flexibly selected according to the content of the waste gas, and use is more flexible and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrosion test equipment technical field more specifically, relate to a kind of variable passage circulating gas corrosion test device. BACKGROUND

[0002] Corrosion test refers to the detection and record of the process of the loss and damage of material under the action of surrounding medium by specific device, so as to understand the corrosion resistance of material. With the rapid development of industrial technology, many products need to be subjected to corrosion test before leaving factory, such as certain plastics, rubber, metal materials, electronic components and the like. Usually, the measured object is exposed to acidic gas environment (such as hydrogen chloride gas) and alkaline gas environment (such as ammonia gas), and the corrosion of the measured object is determined by the change of gas concentration.

[0003] At present, the waste gas generated by detection is usually mixed into the cylinder containing water, and the water is used to dissolve the gas. Then, another waste gas with opposite acid-base property is mixed into the cylinder to cause acid-base neutralization reaction. Obviously, one cylinder can only correspond to one set of acid detection assembly and alkali detection assembly. Acid detection needs to be carried out first, and then alkali detection. Or, alkali detection needs to be carried out first, and then acid detection. The utility model proposes a new solution to the above problems. UTILITY MODEL CONTENT

[0004] In view of the problems existing in the prior art, the utility model aims to provide a variable passage circulating gas corrosion test device to solve the technical problems mentioned in the background.

[0005] To solve the above problems, the utility model adopts the following technical solution.

[0006] The utility model provides a kind of variable channel cyclic gas corrosion test device, including to be detected component, acid detection component, alkali detection component, controller, further including cylinder for waste gas treatment, horizontal baffle is provided in the cylinder, horizontal baffle divides into chamber one and chamber two, the bottom of chamber one and chamber two is respectively provided with exhaust mechanism, acid gas pipe, alkali gas pipe, water inlet pipe one, water inlet pipe two, water outlet pipe one, water outlet pipe two, communication pipe, electronic control valve are provided on the lateral wall of cylinder, chamber one is communicated with the acid detection component by acid gas pipe, chamber two is communicated with alkali detection component by alkali gas pipe, one end of communication pipe passes through the bottom of chamber one in cylinder, the other end of communication pipe passes through the bottom of chamber two in cylinder, electronic control valve is arranged on communication pipe, cylinder is provided with gas outlet pipe, rotatingly connected with shaft in the inside of cylinder, and shaft is driven by the motor being arranged, shaft passes through horizontal baffle, detachably connected with helical blade one, helical blade two on shaft, the input end of acid gas pipe and the output end of alkali gas pipe are communicated with the input end of exhaust mechanism respectively, water inlet pipe one is communicated with the top of chamber one, water inlet pipe two is communicated with the top of chamber two, water outlet pipe one is communicated with the bottom of chamber one, water outlet pipe two is communicated with the bottom of chamber two, wherein

[0007] The exhaust mechanism includes mounting plate, scattering type gas distributor, mounting frame and bubble breaking net, the mounting plate is detachably connected to the bottom of chamber one and chamber two respectively, the mounting plate is provided with a cavity, the scattering type gas distributor is fixed in the cavity, the input end of the scattering type gas distributor is communicated with the output end of the acid gas pipe and the output end of the alkali gas pipe, the mounting plate is provided with an exhaust port corresponding to the position of the output end of the scattering type gas distributor, the mounting frame is axially bolted to the shaft, and the bubble breaking net is fixed to the mounting frame, and the lower end surface of the bubble breaking net is attached to the upper end surface of the mounting plate.

[0008] Preferably, the lateral wall of the cylinder is provided with pressure sensor one and pressure sensor two corresponding to the positions of the chamber one and the chamber two, and the detection end of the pressure sensor one and the detection end of the pressure sensor two are located at the top of the chamber one and the top of the chamber two respectively.

[0009] In any of the above schemes, preferably, the helical blade one is located in the chamber one, the helical blade two is located in the chamber two, and a plurality of through holes are provided on the helical blade one and the helical blade two.

[0010] In any of the above schemes, preferably, the top of the cylinder is provided with a top opening, the top cover is connected to the top opening through the flange plate, the motor is installed on the top cover, the bottom of the cylinder is provided with a bottom opening, the bottom cover is connected to the bottom opening through the flange plate, and a group of mounting plates are bolted to the bottom cover.

[0011] Preferably, in any of the above solutions, a protrusion is arranged on the rotating shaft at a position corresponding to the helical blade one, and the protrusion is inserted into the helical blade one.

[0012] Preferably, in any of the above solutions, a groove is arranged on the rotating shaft at a position corresponding to the helical blade two, and a protrusion is arranged on the bottom of the groove at a position corresponding to the helical blade two, and the protrusion is inserted into the groove.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] In the utility model, the acid gas and the alkaline gas are respectively discharged into the chamber one and the chamber two containing water, and the water is stirred by the helical blade one and the helical blade two; when the pressure of the chamber one or the chamber two increases to a set value and there is a pressure difference between the chamber one and the chamber two, the electronic control valve is opened, under the action of the pressure difference, the water containing the acid gas and the alkaline gas is subjected to a neutralization reaction, and then the reaction liquid is discharged from the water outlet pipe one and the water outlet pipe two; the waste gas generated by the material in the acid gas environment detection is first stored in the chamber one in the cylinder, and then the waste gas generated by the material in the alkaline gas environment detection is introduced into the chamber two in the cylinder, and then the neutralization reaction is carried out when the pressure difference is reached; the waste gas generated by the material in the acid gas environment detection can also be first stored in the chamber one in the cylinder, and then the waste gas generated by the material in the alkaline gas environment detection is introduced into the chamber one in the cylinder and subjected to a neutralization reaction with the acid liquid; temporary storage, neutralization reaction and free switching are realized; the user can flexibly select the operation mode according to the detection needs; compared with a single reaction cylinder, two groups of acid detection and alkaline detection can be carried out at the same time; the waste gas generated by the detection can be flexibly selected according to its content, and the use is more flexible and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the variable channel circulating gas corrosion test device of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the component to be detected, the acid detection component and the alkaline detection component in the prior art;

[0017] Figure 3 It is a sectional view of Figure 1 .

[0018] Figure 4 It is a sectional view of Figure 3 .

[0019] Explanation of reference numerals in the drawings:

[0020] 1, the component to be detected; 2, the acid detection component; 3, the base detection component; 4, the controller; 5, the barrel; 6, the horizontal partition; 7, chamber one; 8, chamber two; 9, the exhaust mechanism; 10, the acid gas pipe; 11, the base gas pipe; 12, water inlet pipe one; 13, water inlet pipe two; 14, water outlet pipe one; 15, water outlet pipe two; 16, the communication pipe; 17, the electronic control valve; 18, the gas outlet pipe; 19, the rotating shaft; 20, the motor; 21, spiral vane one; 22, spiral vane two; 901, the mounting plate; 902, the scattering type gas distribution pipe; 903, the mounting frame; 904, the bubble breaking net; 905, the cavity; 906, the exhaust port; 23, pressure sensor one; 24, pressure sensor two; 25, the through hole; 26, the top cover; 27, the bottom cover; 28, the convex strip; 29, the groove; 30, the convex block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment:

[0023] Please refer to Figures 1 to 4 A variable channel circulating gas corrosion test device, comprising a component to be detected 1, an acid detection component 2, a base detection component 3, a controller 4, and a barrel 5 for waste gas treatment, wherein the barrel 5 is provided with a horizontal partition 6, the horizontal partition 6 divides the barrel 5 into chamber one 7 and chamber two 8, the bottom of the chamber one 7 and the chamber two 8 is respectively provided with an exhaust mechanism 9, the sidewall of the barrel 5 is provided with an acid gas pipe 10, a base gas pipe 11, a water inlet pipe one 12, a water inlet pipe two 13, a water outlet pipe one 14, a water outlet pipe two 15, a communication pipe 16 and an electronic control valve 17, the chamber one 7 is communicated with the acid detection component 2 through the acid gas pipe 10, the chamber two 8 is communicated with the base detection component 3 through the base gas pipe 11, one end of the communication pipe 16 penetrates through the barrel 5 and is located at the bottom of the chamber one 7, the other end of the communication pipe 16 penetrates through the barrel 5 and is located at the bottom of the chamber two 8, the electronic control valve 17 is arranged on the communication pipe 16, the barrel 5 is provided with a gas outlet pipe 18, the barrel 5 is rotatably connected with a rotating shaft 19, the rotating shaft 19 is driven by a motor 20, the rotating shaft 19 penetrates through the horizontal partition 6, the rotating shaft 19 is detachably connected with spiral vane one 21 and spiral vane two 22, the output end of the acid gas pipe 10 and the output end of the base gas pipe 11 are respectively communicated with the input end of the exhaust mechanism 9, the water inlet pipe one 12 is communicated with the top of the chamber one 7, the water inlet pipe two 13 is communicated with the top of the chamber two 8, the water outlet pipe one 14 is communicated with the bottom of the chamber one 7, and the water outlet pipe two 15 is communicated with the bottom of the chamber two 8.

[0024] The specific connection mode and working process between the to-be-detected component 1, the acid detection component 2, the alkali detection component 3 and the controller 4 in the present scheme can refer to the technical content disclosed in CN117517182A Double-circulation corrosion test system, and details will not be repeated here. The acid gas and the alkali gas used for detection are hydrogen chloride gas and ammonia gas, respectively.

[0025] The exhaust mechanism 9 includes a mounting plate 901, a scattering type gas distributor 902, a mounting frame 903 and a bubble breaking net 904. The mounting plate 901 is detachably connected to the bottom of the chamber one 7 and the chamber two 8, respectively. The mounting plate 901 is provided with a cavity 905. The scattering type gas distributor 902 is fixed in the cavity 905. The input end of the scattering type gas distributor 902 is in communication with the output end of the acid gas pipe 10 and the output end of the alkali gas pipe 11, respectively. The mounting plate 901 is provided with an exhaust port 906 at the position corresponding to the output end of the scattering type gas distributor 902. The mounting frame 903 is axially bolted to the rotating shaft 19. The bubble breaking net 904 is fixed to the mounting frame 903, and the lower end surface of the bubble breaking net 904 is attached to the upper end surface of the mounting plate 901.

[0026] The design of the cylinder 5, the horizontal partition plate 6, the communication pipe 16, the helical blade one 21 and the helical blade two 22 discharges the acid gas and the alkali gas into the chamber one 7 and the chamber two 8 containing water, respectively, and stirs the water body through the helical blade one 21 and the helical blade two 22. When the pressure of the chamber one 7 or the chamber two 8 increases to a set value and there is a pressure difference between the chamber one 7 and the chamber two 8, the electronic control valve 17 is opened. Under the action of the pressure difference, the water containing the acid gas and the alkali gas undergoes a neutralization reaction, and then the reaction liquid is discharged through the water outlet pipe one 14 and the water outlet pipe two 15. The waste gas generated by the acid gas environment detection of the material is first stored in the chamber one 7 in the cylinder, and then the waste gas generated by the alkali gas environment detection is introduced into the chamber two 8 in the cylinder 5, and then the neutralization reaction is carried out when the pressure difference is reached. The waste gas generated by the acid gas environment detection of the material can also be first stored in the chamber one 7 in the cylinder 5, and then the waste gas generated by the alkali gas environment detection is introduced into the chamber one 7 in the cylinder 5 to undergo a neutralization reaction with the acid liquid. Temporary storage, neutralization reaction and free switching are achieved. Users can flexibly select the operation mode according to the detection needs. Compared with a single reaction cylinder 5, two groups of acid detection and alkali detection can be carried out at the same time. The waste gas generated by the detection can be flexibly selected according to its content, and the use is more flexible and convenient.

[0027] In the embodiment, the side wall of the barrel 5 is provided with a pressure sensor one 23 and a pressure sensor two 24 corresponding to the positions of the chamber one 7 and the chamber two 8, respectively, and the detection end of the pressure sensor one 23 and the detection end of the pressure sensor two 24 are located at the top of the chamber one 7 and the top of the chamber two 8, respectively; the pressure sensor one 23 and the pressure sensor two 24 are used for sensing and detecting the pressure in the barrel 5, for the on-off of the chamber one 7 and the chamber two 8, so as to control the reaction time.

[0028] In the embodiment, the spiral blade one 21 is located in the chamber one 7, the spiral blade two 22 is located in the chamber two 8, and a plurality of through holes 25 are arranged on the spiral blade one 21 and the spiral blade two 22; by the design of the through holes 25, when the spiral blade one 21 and the spiral blade two 22 rotate, the through holes 25 cut the liquid in the chamber one 7 and the chamber two 8, forming a vertical fluid perpendicular to the spiral blade one 21 and the spiral blade two 22, thereby accelerating the speed of gas dissolving in water.

[0029] In the embodiment, the top of the barrel 5 is provided with a top opening, the top cover 26 is connected to the top opening through a flange plate, the motor 20 is installed on the top cover 26, the bottom of the barrel 5 is provided with a bottom opening, the bottom cover 27 is connected to the bottom opening through a flange plate, and one group of mounting plates 901 are bolted to the bottom cover 27; the top cover 26 and the bottom cover 27 can facilitate the cleaning and maintenance of the inside of the barrel 5.

[0030] In the embodiment, the convex strip 28 is arranged on the rotating shaft 19 corresponding to the position of the spiral blade one 21, and the convex strip 28 is inserted into the spiral blade one 21; through the above design, the spiral blade one 21 can be conveniently disassembled, replaced, cleaned and maintained in cooperation with the top cover 26.

[0031] In the embodiment, the groove 29 is arranged on the rotating shaft 19 corresponding to the position of the spiral blade two 22, the bottom of the groove 29 extends downward to the position corresponding to the groove 29 of the spiral blade two 22, the convex block 30 is arranged at the position corresponding to the groove 29 of the spiral blade two 22, and the convex block 30 is inserted into the groove 29; through the above design, the spiral blade two 22 can be conveniently disassembled, replaced, cleaned and maintained in cooperation with the bottom cover 27.

[0032] The working process of the utility model is as follows:

[0033] The acidic gas and the basic gas are discharged into the chamber one 7 and the chamber two 8 containing water respectively, and the water body is stirred by the helical blade one 21 and the helical blade two 22, when the pressure of the chamber one 7 or the chamber two 8 increases to the set value and there is a pressure difference between the chamber one 7 and the chamber two 8, the electronic control valve 17 is opened, under the action of the pressure difference, the water containing the acidic gas and the basic gas occurs neutralization reaction, then the reaction liquid is discharged by the water outlet pipe one 14 and the water outlet pipe two 15, the waste gas generated by the acidic gas environment detection on the material is first stored in the chamber one 7 in the barrel, then the waste gas generated by the basic gas environment detection is introduced into the chamber two 8 in the barrel 5, then the neutralization reaction is carried out after the pressure difference is reached, the waste gas generated by the acidic gas environment detection on the material can also be first stored in the chamber one 7 in the barrel 5, then the waste gas generated by the basic gas environment detection is introduced into the chamber one 7 in the barrel 5 and occurs neutralization reaction with the acidic liquid, temporary storage, neutralization reaction and free switching are realized, the user can flexibly select the operation mode according to the detection needs, compared with the single reaction barrel 5, two groups of acidic detection and basic detection can be carried out at the same time, the waste gas generated by the detection can be flexibly selected according to the content, and the use is more flexible and convenient.

[0034] The above merely describes a preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A variable channel cyclic gas corrosion test device, comprising a to-be-tested component (1), an acid detection component (2), an alkali detection component (3), a controller (4), characterized in that: The application also discloses a cylinder (5) for waste gas treatment, a horizontal partition plate (6) is arranged in the cylinder (5), the cylinder (5) is divided into a chamber one (7) and a chamber two (8) by the horizontal partition plate (6), the bottom of the chamber one (7) and the chamber two (8) is respectively provided with an exhaust mechanism (9), an acid gas pipe (10), an alkali gas pipe (11), a water inlet pipe one (12), a water inlet pipe two (13), a water outlet pipe one (14), a water outlet pipe two (15), a communication pipe (16) and an electronic control valve (17) are arranged on the side wall of the cylinder (5), the chamber one (7) is communicated with the acid detection assembly (2) through the acid gas pipe (10), the chamber two (8) is communicated with the alkali detection assembly (3) through the alkali gas pipe (11), one end of the communication pipe (16) penetrates through the cylinder (5) and is located at the bottom of the chamber one (7), the other end of the communication pipe (16) penetrates through the cylinder (5) and is located at the bottom of the chamber two (8), the electronic control valve (17) is arranged on the communication pipe (16), the cylinder (5) is provided with an air outlet pipe (18), a rotating shaft (19) is rotatably connected in the cylinder (5) and is driven by a motor (20), the rotating shaft (19) penetrates through the horizontal partition plate (6), a spiral blade one (21) and a spiral blade two (22) are detachably connected to the rotating shaft (19), the output end of the acid gas pipe (10) and the output end of the alkali gas pipe (11) are communicated with the input end of the exhaust mechanism (9), the water inlet pipe one (12) is communicated with the top of the chamber one (7), the water inlet pipe two (13) is communicated with the top of the chamber two (8), the water outlet pipe one (14) is communicated with the bottom of the chamber one (7), and the water outlet pipe two (15) is communicated with the bottom of the chamber two (8). The exhaust mechanism (9) comprises a mounting plate (901), a scattering type gas distribution pipe (902), a mounting frame (903) and a bubble breaking net (904), the mounting plate (901) is detachably connected to the bottom of the chamber one (7) and the chamber two (8) respectively, a cavity (905) is arranged in the mounting plate (901), the scattering type gas distribution pipe (902) is fixed in the cavity (905), the input end of the scattering type gas distribution pipe (902) is communicated with the output end of the acid gas pipe (10) and the output end of the alkali gas pipe (11), the mounting plate (901) is provided with an exhaust port (906) at the position corresponding to the output end of the scattering type gas distribution pipe (902) on the upper end face, the mounting frame (903) is axially bolted on the rotating shaft (19), and the bubble breaking net (904) is fixed on the mounting frame (903) and the lower end face of the bubble breaking net (904) is attached to the upper end face of the mounting plate (901).

2. The variable access cyclic gas corrosion test apparatus of claim 1, wherein: Pressure sensor one (23) and pressure sensor two (24) are arranged on the side wall of the cylinder (5) at positions corresponding to the chamber one (7) and the chamber two (8) respectively, and the detection end of the pressure sensor one (23) and the detection end of the pressure sensor two (24) are located at the top of the chamber one (7) and the top of the chamber two (8) respectively.

3. The variable access cyclic gas corrosion test apparatus of claim 1, wherein: The spiral blade one (21) is located in the chamber one (7), the spiral blade two (22) is located in the chamber two (8), and a plurality of through holes (25) are arranged on the spiral blade one (21) and the spiral blade two (22).

4. The variable access cyclic gas corrosion test apparatus of claim 1, wherein: The top of the barrel (5) is provided with a top opening, and the top opening is connected with a top cover (26) through a flange plate. The motor (20) is installed on the top cover (26). The bottom of the barrel (5) is provided with a bottom opening, and the bottom opening is connected with a bottom cover (27) through a flange plate. One group of the mounting plates (901) are bolted to the bottom cover (27).

5. The variable access cyclic gas corrosion test apparatus of claim 4, wherein: The rotating shaft (19) is provided with a convex strip (28) corresponding to the position of the spiral blade one (21), and the convex strip (28) is inserted into the spiral blade one (21).

6. The variable access cyclic gas corrosion test apparatus of claim 4, wherein: The rotating shaft (19) is provided with a groove (29) corresponding to the position of the spiral blade two (22), and the bottom of the groove (29) extends downward to the position of the spiral blade two (22) corresponding to the groove (29). A convex block (30) is arranged, and the convex block (30) is inserted into the groove (29).

Images