CN113686726B - Detection device for corrosion inhibitor - Google Patents
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- CN113686726B CN113686726B CN202111087773.4A CN202111087773A CN113686726B CN 113686726 B CN113686726 B CN 113686726B CN 202111087773 A CN202111087773 A CN 202111087773A CN 113686726 B CN113686726 B CN 113686726B
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Abstract
The invention relates to the field of corrosion inhibitor detection, in particular to a detection method for a corrosion inhibitorAnd a measuring device. The detection device for the corrosion inhibitor comprises a bottom box, a pressure regulating device, a detection cylinder, a positioning mechanism, a sealing seat and an electric controller, wherein a support is fixed on one side of the top of the bottom box, an oil bath heater is arranged on the side face of the bottom box, and CO is arranged on the surface of the support 2 The invention relates to a storage tank, which is characterized in that sealing seats are symmetrically arranged on the surface of a bottom tank, a positioning mechanism is arranged in the bottom tank and connected with the sealing seats, a detection cylinder is arranged in the sealing seats and connected with an oil bath heater, and the detection tank is characterized in that the oil bath heater and the detection cylinder are adopted to keep constant temperature for the detection environment, the detection environment is kept constant pressure through the sealing seats and a pressure regulating device, and then the sealing seats are matched for CO 2 The uniform injection of the corrosion inhibitor ensures higher detection efficiency and higher detection accuracy, and the accurate reaction of the corrosion inhibitor on CO 2 The absorptivity and absorption efficiency of the corrosion inhibitor are reflected.
Description
Technical Field
The invention relates to the field of corrosion inhibitor detection, in particular to a detection device for a corrosion inhibitor.
Background
Corrosion inhibitors are additives used in corrosive environments to inhibit metal corrosion, and when present in an environment or medium in an appropriate concentration and form, prevent or slow the rate of corrosion of the material, and thus corrosion inhibitors may also be referred to as corrosion inhibitors. Its use, although small, is quite efficient. This method of protecting metals is known as corrosion inhibitor protection.
In the oil and gas industry, CO2 corrosion exists in a plurality of natural gas pipelines and oil and gas pipelines, the problem becomes a hot spot for research in recent years, and the corrosion inhibitor technology is adopted to inhibit the CO2 corrosion commonly existing in the oil and gas industry, so that the method has the advantages of small consumption, low cost, convenience in operation, capability of adapting to a plurality of severe environments and the like.
The corrosion inhibitors are various, in order to select a corrosion inhibitor with high quality, CO2 adsorption detection experiments are required to be carried out on the corrosion inhibitor, the corrosion inhibitor is placed in a simple pipeline in the existing experiment, the detection efficiency is low by matching with the circulating type to carry out CO2 adsorption detection, and the detection experiment is not carried out under constant temperature and constant pressure, so that the error of the detection result is large.
Therefore, it is necessary to provide a new detection device for corrosion inhibitors to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides the detection device for the corrosion inhibitor, which has high detection precision and small detection error.
The detection device for the corrosion inhibitor provided by the invention comprises: the device comprises a bottom box, a pressure regulating device, a detection cylinder, a positioning mechanism, a sealing seat and an electric controller, wherein a support is fixed on one side of the top of the bottom box, an oil bath heater is arranged on the side face of the bottom box, and CO is arranged on the surface of the support 2 The storage tank, the end tank surface symmetry is provided with the seal receptacle, the end tank is inside to be provided with positioning mechanism, and positioning mechanism is connected with the seal receptacle, detect a section of thick bamboo setting in the seal receptacle, detect a section of thick bamboo and be connected with the oil bath heater, pressure regulating device sets up at the support top, and pressure regulating device's bottom sets up in detecting a section of thick bamboo, the electric controller sets up in end tank one side, and electric controller and pressure regulating device, positioning mechanism and oil bath heater.
Preferably, the positioning mechanism comprises an air cylinder, a connecting plate, a base column, connecting rods, a through hole, clamping plates and clamping blocks, wherein the air cylinder is fixed at the center of the bottom box, the telescopic end of the air cylinder is fixedly provided with the connecting plate, the base columns are symmetrically fixed at the two ends of the connecting plate, four connecting rods are symmetrically and rotatably arranged on the surface of the base column, the bottom surface of the bottom box is positioned at the corresponding position of the connecting rods, the four clamping plates are symmetrically and rotatably arranged on the edge of the sealing seat, the clamping blocks are fixed at the tops of the clamping plates, and the bottom ends of the clamping plates penetrate through the through holes and are rotatably connected with the connecting rods.
Preferably, the sealing seat comprises a seat shell, a rubber gasket, a spray pipe, a drain valve, an air inlet pipe and a drain pipe, wherein the seat shell is fixed on the surface of the bottom box, the rubber gasket is fixed inside the seat shell, the bottom end of the detection cylinder is attached to the rubber gasket, and the inside of the seat shell is positioned on the rubber gasketThe central position is fixed with a spray pipe, the surface of the spray pipe is uniformly provided with a spray head, the central position of the spray pipe is provided with a drain valve, the drain valve is connected with a drain pipe, the spray pipe is connected with an air inlet pipe, and the air inlet pipe and CO are connected with each other 2 The storage tanks are connected.
Preferably, the sealing seat further comprises a slat, a top column, a top ring and a ring groove, the slat is symmetrically fixed at the top end of the base column, the top columns of the slat are respectively fixed with the top column, the ring groove is formed in the bottom of the seat shell, the top ring is arranged in the ring groove and is in contact with the rubber pad, and the top column slides through the bottom box and is fixedly connected with the top ring.
Preferably, the top of the rubber pad is in a convex shape with concentric circles, and the bottom end of the detection cylinder is clamped in the convex structure.
Preferably, the detection cylinder comprises a cylinder body, an oil discharge pipe, an oil inlet pipe, a cavity and a spiral plate, wherein the cavity is formed in the wall of the cylinder body, the spiral plate is fixed in the cavity, the top and the bottom of the cylinder body are respectively connected with the oil discharge pipe and the oil inlet pipe, the oil discharge pipe and the oil inlet pipe are communicated with the cavity, and the oil discharge pipe and the oil inlet pipe are connected with an oil bath heater.
Preferably, the pressure regulating device comprises an electric push rod, a transverse plate, a connecting column and a pressure regulating valve, wherein the electric push rod is arranged at the top end of the support, the transverse plate is fixed at the telescopic end of the electric push rod, the connecting column is fixed at the two ends of the transverse plate, the pressure regulating valve is fixed at the bottom end of the connecting column, and the pressure regulating valve is arranged in the detection cylinder.
Preferably, the pressure regulating valve comprises an upper plate, a lower plate, a rubber ring and CO 2 The detecting probe, the air pressure sensing probe and the electromagnet are arranged in parallel, a rubber ring is fixed at the edge position between the upper plate and the lower plate, the electromagnet is fixedly installed in the upper plate, the telescopic end of the electromagnet is fixedly connected with the lower plate, and the CO is installed on the surface of the lower plate 2 The detection probe and the air pressure sensing probe are arranged on the surface of the bracket, and the CO is arranged on the surface of the bracket 2 Detector and barometric pressure detector, said CO 2 The detection probe and the air pressure sensing probe are respectively connected with CO 2 The detector is electrically connected with the air pressure detector.
Preferably, the pressure regulating valve further comprises drain holes, a water inlet pipe and plugs, the drain holes are uniformly formed in the surface of the lower plate, the plugs are fixed at the corresponding positions of the drain holes on the bottom surface of the upper plate, and the water inlet pipe is connected to the surface of the upper plate.
Compared with the related art, the detection device for the corrosion inhibitor has the following beneficial effects:
1. the invention adopts the oil bath heater and the detection cylinder to keep constant temperature for the detection environment, keeps the detection environment constant pressure through the sealing seat and the pressure regulating device, and then matches the sealing seat for CO 2 The uniform injection of the corrosion inhibitor ensures higher detection efficiency and higher detection accuracy, and the accurate reaction of the corrosion inhibitor on CO 2 The absorptivity and the absorption efficiency of the corrosion inhibitor are reflected;
2. the invention adopts the open-close type positioning mechanism to be matched with the sealing seat to fix the detection cylinder, and then the rubber pad is matched with the positioning mechanism to carry out linkage extrusion on the rubber pad so as to seal the bottom of the detection cylinder, thereby achieving more stable bottom sealing in a simpler and more convenient way and having good effect;
3. according to the invention, the top of the detection cylinder is sealed or loosened by the telescopic extrusion pressure regulating valve, so that the bonding strength between the pressure regulating valve and the inner wall of the detection cylinder can be conveniently regulated in different states, diversified working requirements are realized, and the adaptability is high.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a second schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of a positioning mechanism according to the present invention;
FIG. 4 is a schematic diagram of a seal seat according to the present invention;
FIG. 5 is a second schematic diagram of a seal seat according to the present invention;
FIG. 6 is a third schematic diagram of a seal seat according to the present invention;
fig. 7 is a schematic view of the rubber pad structure provided by the invention;
FIG. 8 is a schematic diagram of a pressure regulating device according to the present invention;
FIG. 9 is a schematic diagram of a pressure regulating valve according to the present invention;
FIG. 10 is a schematic diagram of a second embodiment of a pressure regulating valve according to the present invention;
FIG. 11 is a schematic diagram of a cross-sectional structure of a pressure regulating valve according to the present invention;
FIG. 12 is a schematic diagram of a cartridge structure according to the present invention;
FIG. 13 is a schematic diagram of a second embodiment of a cartridge according to the present invention.
Reference numerals in the drawings: 1. a bottom box; 2. a bracket; 3. a pressure regulating device; 31. an electric push rod; 32. a cross plate; 33. connecting columns; 35. CO 2 A detector; 36. an air pressure detector; 37. a pressure regulating valve; 371. an upper plate; 372. a lower plate; 373. a rubber ring; 374. CO 2 A detection probe; 375. an air pressure sensing probe; 376. a drain hole; 377. a water inlet pipe; 378. an electromagnet; 379. a plug; 4. a detection cylinder; 41. a cylinder; 42. an oil drain pipe; 43. an oil inlet pipe; 44. a cavity; 45. a spiral plate; 5. a positioning mechanism; 51. a cylinder; 52. a connecting plate; 53. a base column; 54. a connecting rod; 55. a through port; 56. a clamping plate; 57. clamping blocks; 6. a sealing seat; 61. a seat shell; 62. a rubber pad; 63. a spray pipe; 64. a drain valve; 65. a slat; 66. a top column; 67. a top ring; 68. a ring groove; 69. an air inlet pipe; 60. a drain pipe; 7. an electric controller; 8. an oil bath heater; 9. CO 2 And a storage tank.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 13, a detection device for corrosion inhibitors according to an embodiment of the present invention includes: the device comprises a bottom box 1, a pressure regulating device 3, a detection cylinder 4, a positioning mechanism 5, a sealing seat 6 and an electric controller 7, whereinA bracket 2 is fixed on one side of the top of the bottom box 1, an oil bath heater 8 is arranged on the side surface of the bottom box 1, and CO is arranged on the surface of the bracket 2 2 The storage jar 9, 1 surface symmetry of base case is provided with seal receptacle 6, the inside positioning mechanism 5 that is provided with of base case 1, and positioning mechanism 5 is connected with seal receptacle 6, detect section of thick bamboo 4 and set up in seal receptacle 6, detect section of thick bamboo 4 and be connected with oil bath heater 8, pressure regulating device 3 sets up at the support 2 top, and the bottom setting of pressure regulating device 3 is in detecting section of thick bamboo 4, automatically controlled ware 7 sets up in 1 one side of base case, and automatically controlled ware 7 and pressure regulating device 3, positioning mechanism 5 and oil bath heater 8.
The detection cylinder 4 is fixed in the sealing seat 6 through the positioning mechanism 5, the bottom of the detection cylinder 4 is sealed through the sealing seat 6, the quantitative corrosion inhibitor is added into the detection cylinder 4, the inside of the detection cylinder 4 is sealed through the pressure regulating device 3, and the CO is opened 2 The storage tank 9 injects CO into the detection cylinder 4 through the sealing seat 6 2 Along with CO 2 The pressure in the detection cylinder 4 is controlled to be constant through the pressure regulating device 3, and the detection cylinder 4 is heated in an oil bath by using heat conducting oil as a medium through the oil bath heater 8, so that the corrosion inhibitor and CO are prepared 2 In a constant temperature and constant pressure sealing state, CO is subjected to pressure regulation through the pressure regulating device 3 2 The concentration of (2) is detected to obtain the corrosion inhibitor to CO 2 Finally, the corrosion inhibitor is discharged through the sealing seat 6, and the inside of the detection cylinder 4 is comprehensively cleaned through the pressure regulating device 3.
Referring to fig. 3, 4 and 5, the positioning mechanism 5 includes a cylinder 51, a connecting plate 52, a base post 53, a connecting rod 54, a through hole 55, clamping plates 56 and clamping blocks 57, the cylinder 51 is fixed at the center of the bottom case 1, the telescopic end of the cylinder 51 is fixed with the connecting plate 52, the base posts 53 are symmetrically fixed at two ends of the connecting plate 52, four connecting rods 54 are symmetrically rotatably mounted on the surface of the base post 53, the bottom surface of the bottom case 1 is provided with the through hole 55 at the corresponding position of the connecting rod 54, four clamping plates 56 are symmetrically rotatably mounted on the edge of the sealing seat 6, the clamping blocks 57 are fixed at the top of the clamping plates 56, and the bottom ends of the clamping plates 56 pass through the through hole 55 and are rotatably connected with the connecting rod 54.
The cylinder 51 is started to shrink, the connecting plate 52 drives the base column 53 to move upwards, and the connecting rod 54 pushes the clamping plate 56 to turn over, so that the clamping block 57 is extruded and attached to the outer wall of the detection cylinder 4, and convenient and stable limiting and fixing of the detection cylinder 4 are realized.
Referring to fig. 4, 5 and 6, the sealing seat 6 includes a seat shell 61, a rubber pad 62, a spray pipe 63, a drain valve 64, an air inlet pipe 69 and a drain pipe 60, the seat shell 61 is fixed on the surface of the bottom case 1, the rubber pad 62 is fixed inside the seat shell 61, the bottom end of the detection cylinder 4 is attached to the rubber pad 62, the spray pipe 63 is fixed inside the seat shell 61 at the center of the rubber pad 62, the spray head is uniformly mounted on the surface of the spray pipe 63, the drain valve 64 is mounted at the center of the spray pipe 63, the drain valve 64 is connected with the drain pipe 60, the spray pipe 63 is connected with the air inlet pipe 69, and the air inlet pipe 69 and the CO are attached to each other 2 The storage tank 9 is connected.
The detection cylinder 4 is limited by the seat shell 61, the rubber gasket 62 is attached to the bottom of the detection cylinder 4, so that the bottom of the detection cylinder 4 is sealed, and CO is uniformly sprayed into the detection cylinder 4 through the spray pipe 63 2 The reaction efficiency is improved, and the corrosion inhibitor and the cleaning liquid are discharged through the drain valve 64.
Referring to fig. 5 and 6, the sealing seat 6 further includes a lath 65, a top post 66, a top ring 67 and a ring groove 68, the lath 65 is symmetrically fixed at the top end of the base post 53, the top posts 66 are fixed at the end posts of the lath 65, the ring groove 68 is provided at the bottom of the seat shell 61, the top ring 67 is provided in the ring groove 68, and the top ring 67 contacts with the rubber pad 62, and the top post 66 slides through the bottom case 1 and is fixedly connected with the top ring 67.
When the positioning mechanism 5 fixes the detection cylinder 4, the base column 53 pushes the strip plate 65 and the top column 66 to move upwards, so that the top ring 67 moves upwards to squeeze the rubber pad 62, the bonding strength between the rubber pad 62 and the bottom of the detection cylinder 4 is increased, and the sealing on the bottom of the detection cylinder 4 is improved.
Referring to fig. 7, the top of the rubber pad 62 is in a convex shape with concentric circles, and the bottom of the detecting cylinder 4 is clamped in the convex structure, so that the rubber pad 62 is tightly attached to the bottom of the detecting cylinder 4.
Referring to fig. 12 and 13, the detecting cylinder 4 includes a cylinder 41, an oil drain pipe 42, an oil inlet pipe 43, a cavity 44 and a spiral plate 45, the cavity 44 is provided in the wall of the cylinder 41, the spiral plate 45 is fixed in the cavity 44, the top and the bottom of the cylinder 41 are respectively connected with the oil drain pipe 42 and the oil inlet pipe 43, the oil drain pipe 42 and the oil inlet pipe 43 are both communicated with the cavity 44, and the oil drain pipe 42 and the oil inlet pipe 43 are connected with the oil bath heater 8.
The BDY-X type oil bath heater 8 of electric power plant in Baozhen county is composed of a shell, a heating body shield, an oil storage tank, a heat preservation layer, temperature detection, a temperature control system and the like, wherein the temperature in the oil storage tank of the oil bath heater 8 is lower than a lower limit set value, the temperature control system automatically starts the heating body to convert electric energy of the heating body into heat energy, the temperature in an oil groove is uniformly increased to an upper limit set value, an internal heat conducting oil medium is heated, hot oil in the oil bath heater 8 is led into a cavity 44 through an oil inlet pipe 43 and is spirally increased along a spiral plate 45, and then is led into the oil bath heater 8 from an oil drain pipe 42 to form circulating type heating, so that the hot oil can uniformly contact with the surface of the cylinder 41 through spiral conduction of the spiral plate 45, the heating uniformity is improved, and a constant temperature detection environment is effectively created.
Referring to fig. 8, the pressure regulating device 3 includes an electric push rod 31, a transverse plate 32, a connecting column 33 and a pressure regulating valve 37, the electric push rod 31 is mounted at the top end of the bracket 2, the transverse plate 32 is fixed at the telescopic end of the electric push rod 31, the connecting column 33 is fixed at two ends of the transverse plate 32, the pressure regulating valve 37 is fixed at the bottom end of the connecting column 33, and the pressure regulating valve 37 is arranged in the detecting cylinder 4.
The electric push rod 31 controls the lifting of the transverse plate 32, the connecting column 33 and the pressure regulating valve 37, the pressure regulating valve 37 is attached to the inner wall of the detection cylinder 4 to seal the top of the detection cylinder 4, and the lifting pressure regulating valve 37 is used for regulating the air pressure inside the detection cylinder 4.
Referring to fig. 9, 10 and 11, the pressure regulating valve 37 includes an upper plate 371, a lower plate 372, a rubber ring 373, and CO 2 The detection probe 374, the air pressure sensing probe 375 and the electro-magnet 378, upper plate 371 and lower plate 372 parallel arrangement, the border position between upper plate 371 and the lower plate 372 is fixed with rubber ring 373, the inside fixed mounting of upper plate 371 has electro-magnet 378, and the flexible end and the lower plate 372 fixed connection of electro-magnet 378, lower plate 372 surface mounting has CO 2 Detection probe 374 and an air pressure sensing probe 375, said support 2 being surface mounted with CO 2 A detector 35 and a barometric pressure detector 36, said CO 2 The detection probe 374 and the air pressure sensing probe 375 are respectively connected with CO 2 The detector 35 is electrically connected to the barometric pressure detector 36.
The rubber ring 373 and the inner wall of the detection cylinder 4 form soft contact, after the coil in the electromagnet 378 is electrified, the slide bar moves to the iron core to stretch and retract to adjust the distance between the upper plate 371 and the lower plate 372, extrusion and release of the rubber ring 373 are achieved, when the rubber ring 373 is pressed and expanded outwards, the rubber ring 373 is tightly attached to the inner wall to achieve the sealing function of the pressure regulating valve 37, when the detection cylinder 4 is required to be added with a corrosion inhibitor or cleaned, the rubber ring 373 is not required to be extruded, lifting of the pressure regulating valve 37 is conveniently adjusted, and the model of the electromagnet 378 is SDK-0630L of Shenzhen Zong Tai motor limited company.
The air pressure in the detection cylinder 4 is monitored by the air pressure sensing probe 375 and the air pressure detector 36, so that the lifting of the pressure regulating valve 37 is conveniently regulated, the constant air pressure in the detection cylinder 4 is kept, and the air pressure is controlled by CO 2 Detection probe 374 and CO 2 The detector 35 detects CO in the cylinder 4 2 Concentration is monitored in real time, and efficient reaction corrosion inhibitor is used for preparing CO 2 Is effective in absorption and absorption efficiency.
Referring to fig. 11, the pressure regulating valve 37 further includes a drain hole 376, a water inlet tube 377 and a plug 379, the surface of the lower plate 372 is uniformly provided with the drain hole 376, the plug 379 is fixed on the bottom surface of the upper plate 371 at the corresponding position of the drain hole 376, and the surface of the upper plate 371 is connected with the water inlet tube 377.
When the detection cylinder 4 is cleaned, the water inlet pipe 377 is additionally provided with an external water supply device, water is led between the upper plate 371 and the lower plate 372, water is sprayed into the detection cylinder 4 through the water discharge holes 376, the detection cylinder 4 is cleaned, when the pressure regulating valve 37 is sealed, the distance between the upper plate 371 and the lower plate 372 is shortened, the plug 379 is inserted into the water discharge holes 376, the water blocking sealing effect is realized, and the sealing performance is improved.
The detection device for the corrosion inhibitor provided by the invention has the following working principle: the detection cylinder 4 is fixed in the sealing seat 6 through the positioning mechanism 5, the bottom of the detection cylinder 4 is sealed through the sealing seat 6, and the quantitative determination is slowed downThe etchant is added into the detection cylinder 4, the inside of the detection cylinder 4 is sealed by the pressure regulating device 3, and the CO is opened 2 The storage tank 9 injects CO into the detection cylinder 4 through the sealing seat 6 2 Along with CO 2 The pressure in the detection cylinder 4 is controlled to be constant through the pressure regulating device 3, and the detection cylinder 4 is heated in an oil bath by using heat conducting oil as a medium through the oil bath heater 8, so that the corrosion inhibitor and CO are prepared 2 In a constant temperature and constant pressure sealing state, CO is subjected to pressure regulation through the pressure regulating device 3 2 The concentration of (2) is detected to obtain the corrosion inhibitor to CO 2 Finally, the corrosion inhibitor is discharged through the sealing seat 6, and the inside of the detection cylinder 4 is comprehensively cleaned through the pressure regulating device 3.
The circuits and control involved in the present invention are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (8)
1. A detection device for a corrosion inhibitor, comprising:
the oil bath heater comprises a bottom box (1), wherein a support (2) is fixed on one side of the top of the bottom box (1), an oil bath heater (8) is arranged on the side face of the bottom box (1), and CO is arranged on the surface of the support (2) 2 A storage tank (9);
the sealing seat (6) is symmetrically arranged on the surface of the bottom box (1);
the positioning mechanism (5) is arranged in the bottom box (1), and the positioning mechanism (5) is connected with the sealing seat (6);
the detection cylinder (4) is arranged in the sealing seat (6), and the detection cylinder (4) is connected with the oil bath heater (8);
the pressure regulating device (3), the pressure regulating device (3) is arranged at the top of the bracket (2), and the bottom end of the pressure regulating device (3) is arranged in the detection cylinder (4);
the electric controller (7) is arranged on one side of the bottom box (1), and the electric controller (7) is electrically connected with the pressure regulating device (3), the positioning mechanism (5) and the oil bath heater (8);
positioning mechanism (5) are including cylinder (51), link plate (52), base (53), connecting rod (54), opening (55), splint (56) and clamp splice (57), cylinder (51) are fixed in base case (1) central point put, and the flexible end of cylinder (51) is fixed with link plate (52), the both ends symmetry of link plate (52) is fixed with base (53), four connecting rods (54) are installed in base (53) surface symmetry rotation, opening (55) have been seted up in base case (1) bottom surface position that corresponds connecting rod (54), four splint (56) are installed in sealing seat (6) edge symmetry rotation, and splint (56) top is fixed with clamp splice (57), splint (56) bottom pass opening (55) and connecting rod (54) rotation connection.
2. The detection device for corrosion inhibitors according to claim 1, wherein the sealing seat (6) comprises a seat shell (61), a rubber pad (62), a spray pipe (63), a drain valve (64), an air inlet pipe (69) and a drain pipe (60), the seat shell (61) is fixed on the surface of the bottom box (1), the rubber pad (62) is fixed inside the seat shell (61), the bottom end of the detection cylinder (4) is attached to the rubber pad (62), the spray pipe (63) is fixed inside the seat shell (61) at the center of the rubber pad (62), the surface of the spray pipe (63) is uniformly provided with a spray head, the drain valve (64) is installed at the center of the spray pipe (63), the drain pipe (64) is connected with the drain pipe (60), the spray pipe (63) is connected with the air inlet pipe (69), and the air inlet pipe (69) is attached to the CO 2 The storage tank (9) is connected.
3. The detection device for corrosion inhibitors according to claim 2, wherein the sealing seat (6) further comprises a strip plate (65), a top column (66), a top ring (67) and a ring groove (68), the top ends of the base columns (53) are symmetrically fixed with the strip plate (65), the top columns of the strip plate (65) are respectively fixed with the top column (66), the bottom of the seat shell (61) is provided with the ring groove (68), the top ring (67) is arranged in the ring groove (68), the top ring (67) is in contact with the rubber pad (62), and the top column (66) slides through the bottom box (1) to be fixedly connected with the top ring (67).
4. The detection device for corrosion inhibitors according to claim 2, wherein the top of the rubber pad (62) is in a convex shape with concentric circles, and the bottom end of the detection cylinder (4) is clamped in the convex structure.
5. The detection device for corrosion inhibitors according to claim 1, wherein the detection cylinder (4) comprises a cylinder body (41), an oil discharge pipe (42), an oil inlet pipe (43), a cavity (44) and a spiral plate (45), the cavity (44) is formed in the wall of the cylinder body (41), the spiral plate (45) is fixed in the cavity (44), the oil discharge pipe (42) and the oil inlet pipe (43) are respectively connected to the top and the bottom of the cylinder body (41), the oil discharge pipe (42) and the oil inlet pipe (43) are communicated with the cavity (44), and the oil discharge pipe (42) and the oil inlet pipe (43) are connected with the oil bath heater (8).
6. The detection device for corrosion inhibitors according to claim 1, wherein the pressure regulating device (3) comprises an electric push rod (31), a transverse plate (32), a connecting column (33) and a pressure regulating valve (37), the electric push rod (31) is installed at the top end of the support (2), the transverse plate (32) is fixed at the telescopic end of the electric push rod (31), connecting columns (33) are fixed at the two ends of the transverse plate (32), the pressure regulating valve (37) is fixed at the bottom end of the connecting column (33), and the pressure regulating valve (37) is arranged in the detection cylinder (4).
7. The device for detecting corrosion inhibitors according to claim 6, wherein the pressure regulating valve (37) comprises an upper plate (371) and a lower plate372 Rubber ring (373), CO 2 Detection probe (374), air pressure sensing probe (375) and electro-magnet (378), upper plate (371) and hypoplastron (372) parallel arrangement, edge position between upper plate (371) and hypoplastron (372) is fixed with rubber ring (373), upper plate (371) internally mounted has electro-magnet (378), and the flexible end and hypoplastron (372) fixed connection of electro-magnet (378), hypoplastron (372) surface mounting has CO 2 Detection probe (374) and air pressure sensing probe (375), and the surface of the bracket (2) is provided with CO 2 A detector (35) and an air pressure detector (36), said CO 2 The detection probe (374) and the air pressure sensing probe (375) are respectively connected with the CO 2 The detector (35) and the air pressure detector (36) are electrically connected.
8. The detection device for corrosion inhibitors according to claim 7, wherein the pressure regulating valve (37) further comprises a drain hole (376), a water inlet pipe (377) and a plug (379), the drain hole (376) is uniformly formed in the surface of the lower plate (372), the plug (379) is fixed at the corresponding position of the drain hole (376) on the bottom surface of the upper plate (371), and the water inlet pipe (377) is connected to the surface of the upper plate (371).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111087773.4A CN113686726B (en) | 2021-09-16 | 2021-09-16 | Detection device for corrosion inhibitor |
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| CN202111087773.4A CN113686726B (en) | 2021-09-16 | 2021-09-16 | Detection device for corrosion inhibitor |
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| CN113686726A CN113686726A (en) | 2021-11-23 |
| CN113686726B true CN113686726B (en) | 2023-06-20 |
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