Device for simulating cyclic oxidation high-temperature corrosion environment and detecting sample mass change in real time

Abstract

The utility model discloses a device for simulating a circulating oxidation high-temperature corrosion environment and detecting the quality change of a sample in real time. The device comprises a heating furnace with an upward opening, the sample quality detection assembly comprises a liftable lifting rod, the upper part of the lifting rod is fixedly connected with a cross rod, the cross rod is connected with a mass sensor, the mass sensor is connected with a connecting piece, and a sample to be detected is connected to the lower end of the connecting piece; the salt mist spraying assembly comprises a spray head above the heating furnace and a solution tank, the lower part of the solution tank is fixedly connected with a liquid outlet pipe, the liquid outlet pipe is connected with a liquid outlet control valve, and one end, far away from the solution tank, of the liquid outlet pipe is connected with the spray head; according to the utility model, the alternating test rate of high-temperature corrosion and low-temperature corrosion can be realized, and the technical problem in the prior art that the cyclic alternating test of the material under the high-temperature corrosion and the low-temperature corrosion cannot be simulated is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of material high temperature resistance and corrosion resistance experiments, in particular to a device for simulating a cyclic oxidation high temperature corrosion environment and detecting changes in sample quality in real time. Background Art

[0002] High-temperature biomass corrosion is a common phenomenon in today's biomass power plants, and it is also the main reason that affects the service life of biomass power plant boilers. In order to improve the service life of biomass power plant boilers and thus improve the efficiency of power plants, corrosion tests in biomass high-temperature corrosion environments have been widely studied. The current corrosion test technology is mainly carried out in a muffle furnace or a gas heating furnace, with high-temperature insulation for a certain period of time. In production practice, some working conditions where high-temperature oxidation and low-temperature corrosion alternate will be encountered. During the startup and operation process, the material will suffer from high-temperature oxidation. During the shutdown process, the material will suffer from low-temperature condensate of flue gas, and the corrosive components will be deposited on the surface. If the existing corrosion test is used, it cannot simulate the above-mentioned corrosion process of alternating high-temperature corrosion and low-temperature corrosion. Therefore, there is an urgent need for a set of test equipment that can simulate the environment where high-temperature oxidation and low-temperature corrosion alternate. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above-mentioned and / or existing problems in high and low temperature corrosion alternating tests of materials, the present utility model is proposed. The utility model solves the technical problem that the prior art cannot simulate cyclic alternating tests of materials under high temperature and low temperature corrosion. The utility model can realize alternating tests of high temperature and low temperature corrosion.

[0005] Therefore, the purpose of the utility model is to provide a device for simulating a cyclic oxidation high temperature corrosion environment and detecting the change of sample quality in real time, comprising:

[0006] A heating furnace having an upward opening;

[0007] The sample quality detection component comprises a lifting rod capable of lifting and lowering, the upper part of the lifting rod is fixedly connected with a cross bar, the cross bar is connected with a quality sensor, the quality sensor is connected with a connecting piece, and the sample to be detected is connected to the lower end of the connecting piece;

[0008] The salt mist spraying assembly comprises a nozzle and a solution tank above the heating furnace. The lower part of the solution tank is fixedly connected with a liquid outlet pipe, the liquid outlet pipe is connected with a liquid outlet control valve, and one end of the liquid outlet pipe away from the solution tank is connected with the nozzle.

[0009] As a preferred solution of the device for simulating a cyclic oxidation high-temperature corrosion environment and detecting changes in sample mass in real time in the utility model, the salt mist spraying assembly also includes a pressure valve above the heating furnace, one end of the pressure valve is connected to the nozzle, and the other end of the pressure valve is connected to a pressure providing member that provides high-pressure gas to the nozzle.

[0010] As a preferred solution of the device for simulating a cyclic oxidation high-temperature corrosion environment and detecting changes in sample quality in real time in the utility model, the sample quality detection component includes a fixed shell, a partition is fixedly connected to the fixed shell, at least one lifting screw is rotatably connected to the partition, a lifting nut that can perform reciprocating linear motion in the height direction is threadedly connected to the lifting screw, the lifting rod is connected to the lifting nut, and the lifting rod is slidably connected to the fixed shell.

[0011] As a preferred solution of the device for simulating a cyclic oxidation high-temperature corrosion environment and detecting changes in sample mass in real time in the utility model, two lifting motors are fixedly connected to the lower side of the partition, a lifting screw rod is connected to the lifting motor, and the lifting rod is connected to two lifting nuts and is between the two lifting nuts.

[0012] As a preferred solution of the device for simulating cyclic oxidation high-temperature corrosion environment and detecting changes in sample mass in real time in the utility model, the lower end of the lifting rod is connected to a connecting base plate, a circular connecting groove is provided on the lifting nut, and two ends of the connecting base plate are respectively provided with two snap-in grooves corresponding to the lifting nut at the connecting groove, the connecting base plate can be just plugged into the lifting nut through the two snap-in grooves, and the upper and lower sides of the connecting base plate are respectively fitted on the lifting nuts on the upper and lower sides of the connecting groove.

[0013] As a preferred solution of the device for simulating a cyclic oxidation high-temperature corrosion environment and detecting changes in sample quality in real time in the utility model, the sample quality detection component also includes a first connecting plate and a second connecting plate, the first connecting plate is provided with a first plug-in groove corresponding to the lifting nut at the connecting groove, the second connecting plate is provided with a second plug-in groove corresponding to the lifting nut at the connecting groove, the first connecting plate can be just connected to a lifting nut through the first plug-in groove and abut against the connecting bottom plate, the second connecting plate can be just connected to another lifting nut through the second plug-in groove and abut against the connecting bottom plate, the first connecting plate is provided with a plurality of first pin holes, the second connecting plate is provided with a plurality of second pin holes, and the connecting bottom plate is provided with a plurality of plug holes corresponding one to one to the first pin holes and the second pin holes.

[0014] As a preferred solution of the device for simulating a cyclic oxidation high-temperature corrosion environment and detecting changes in sample quality in real time in the utility model, a furnace tube is fixed in the heating furnace, and the sample to be detected can extend into the furnace tube. A connecting seat is fixedly connected to the upper side of the heating furnace, and a connecting groove is opened at the upward end of the connecting seat. The connecting seat is slidably connected to a cover plate through the connecting groove. A through hole connected to the opening is opened in the center of the connecting seat, and the cover plate can cover the through hole.

[0015] As a preferred solution of the device for simulating a cyclic oxidation high-temperature corrosion environment and detecting changes in sample mass in real time in the utility model, a transmission screw is rotatably connected to the connecting seat, a sliding block slidably connected to the connecting seat is threadedly connected to the transmission screw, a plurality of guide rods are fixed to the sliding block, and one end of the guide rod away from the sliding block is fixedly connected to the cover plate.

[0016] As a preferred solution of the device for simulating cyclic oxidation high-temperature corrosion environment and detecting changes in sample mass in real time in the utility model, the support seat is fixedly connected to the upper side of the connecting seat, the transmission screw is rotatably connected between the side end of the connecting seat and the support seat, and a plurality of guide holes corresponding to the guide rods are opened on the support seat. The cover plate includes a moving part, and a vertically arranged material stopping part is fixed to one end of the moving part relative to the support seat, the upper end of the material stopping part is higher than the nozzle, and the guide rod passes through the guide hole and is connected to the material stopping part.

[0017] As a preferred solution of the device for simulating cyclic oxidation high-temperature corrosion environment and detecting the change of sample mass in real time in the utility model, wherein: the outer end of the connecting seat is fixedly connected to a transmission motor, and the transmission motor is connected to the transmission screw.

[0018] Compared with the prior art, the utility model has the following beneficial effects: by lifting the lifting rod to drive the sample to be detected to lift, when the corrosion experiment in the simulated high temperature environment is carried out, the lifting rod is lowered to make the sample to be detected extend into the furnace tube to the set position, the lifting rod stops descending, and the heating furnace heats the sample to be detected. When the sample to be detected reaches the set simulated high temperature environment time in the furnace tube, the lifting rod rises. When the sample to be detected is raised to leave the heating furnace to the position where the nozzle is located, the lifting rod stops moving, the transmission screw rotates, so that the cover plate moves toward the direction where the nozzle is located, the cover plate covers the through hole, the transmission screw stops rotating, the liquid outlet control valve is opened, the pressure providing part works, and the nozzle sprays the atomized corrosive solution onto the sample to be detected. When the spraying time reaches the set spraying time threshold, the liquid outlet control valve is closed, and the above steps are circulated to realize the cyclic alternating corrosion experiment of the sample to be detected. When the set number of cyclic alternations is reached, the sample to be detected is lifted to the top of the heating furnace for natural cooling. During the test, the mass sensor detects the mass change information of the sample to be detected, and the corrosion test of the alloy in the corrosive environment of the cold-hot cycle is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0020] Figure 1 This is a structural diagram of the utility model when the cover plate leaves the through hole.

[0021] Figure 2 for Figure 1 A partial enlarged view of point A in the middle.

[0022] Figure 3 for Figure 1 A partial enlarged view of point B in the middle.

[0023] Figure 4 This is a structural diagram of the utility model after the cover plate covers the through hole.

[0024] Figure 5 It is a structural diagram of the lifting nut in the utility model.

[0025] Figure 6 It is a top view of the first connecting plate in the utility model.

[0026] Figure 7 It is a top view of the second connecting plate in the utility model.

[0027] Figure 8 It is a top view of the connecting bottom plate in the utility model.

[0028] In the figure, 100 is a heating furnace, 101 is a furnace tube, 102 is an opening, 200 is a sample quality detection component, 201 is a quality sensor, 202 is a connecting piece, 203 is a cross bar, 204 is a lifting rod, 204a is a screw hole, 205 is a lifting screw rod, 206 is a lifting motor, 207 is a connecting bottom plate, 207a is a connecting hole, 207b is a threaded countersunk hole, 207c is a snap-on countersunk groove, 208 is a first connecting plate, 208a is a first pin hole, 208b is a first plug-in countersunk groove, 209 is a lifting nut, 209a is a connecting groove , 210 second connecting plate, 210a second pin hole, 210b second plug-in sink, 300 salt spray spray assembly, 301 liquid outlet pipe, 302 liquid outlet control valve, 303 solution tank, 304 nozzle, 305 pressure valve, 400 sample to be tested, 500 cover plate, 501 moving part, 502 material blocking part, 600 connecting seat, 601 connecting sink, 602 through hole, 700 transmission screw, 800 transmission motor, 900 sliding block, 1000 guide rod, 2000 support seat. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0032] Example 1

[0033] Reference Figure 1 , which is the first embodiment of the utility model. This embodiment provides a device for simulating a cyclic oxidation high-temperature corrosion environment and detecting changes in sample quality in real time, which can realize cyclic alternating testing of 400 high and low temperature corrosion environments of the sample to be tested.

[0034] A device for simulating a cyclic oxidation high-temperature corrosion environment and detecting changes in sample quality in real time, comprising a heating furnace 100 with an upward opening 102, a sample quality detection component 200 and a salt spray spray component 300, wherein the heating furnace 100 is of prior art, wherein a furnace tube 101 and a heating element for heating the furnace tube 101 are fixed in the heating furnace 100 (the heating element is preferably a thermocouple, which is conventional technology and not shown), wherein a sample 400 to be detected can extend into the furnace tube 101, wherein a connecting seat 600 is fixedly connected to the upper side of the heating furnace 100, wherein a connecting groove 601 is formed at one end of the connecting seat 600 facing upward, wherein a cover plate 500 is slidably connected to the connecting seat 600 via the connecting groove 601, wherein a through hole 602 communicating with the opening 102 is formed in the center of the connecting seat 600, and the cover plate 500 can cover the through hole 602; wherein the sample quality detection component 200 comprises a lifting rod 204 which can be raised and lowered, wherein the upper portion of the lifting rod 204 A crossbar 203 is fixedly connected, a mass sensor 201 is connected to the crossbar 203, a connector 202 is connected to the mass sensor 201, the connector 202 is preferably a steel wire, and a sample 400 to be tested is connected to the lower end of the connector 202; the salt spray spray assembly 300 includes a nozzle 304 and a solution tank 303 above the heating furnace 100, a liquid outlet pipe 301 is fixedly connected to the lower part of the solution tank 303, a liquid outlet control valve 302 is connected to the liquid outlet pipe 301, one end of the liquid outlet pipe 301 away from the solution tank 303 is connected to the nozzle 304, a pressure valve 305 is also provided above the heating furnace 100, one end of the pressure valve 305 is connected to the nozzle 304, and the other end of the pressure valve 305 is connected to a pressure providing member that provides high-pressure gas to the nozzle 304, the pressure providing member can be an air compressor, the pressure providing member and the connection structure between the pressure providing member and the pressure valve 305 are both prior art and are not drawn in this application.

[0035] By lifting the lifting rod 204, the sample 400 to be tested is lifted and lowered. When the corrosion experiment in the simulated high temperature environment is performed, the lifting rod 204 is lowered to allow the sample 400 to be tested to extend into the furnace tube 101 to a set position. The lifting rod 204 stops descending, and the heating furnace 100 heats the sample 400 to be tested. When the sample 400 to be tested reaches the set simulated high temperature environment time in the furnace tube 101, the lifting rod 204 rises. When the sample 400 to be tested is lifted to leave the heating furnace 100 and reach the position of the nozzle 304, the lifting rod 204 stops moving, and the liquid outlet control valve 302 is closed. Open, the pressure providing part works, the nozzle 304 sprays the atomized corrosion solution onto the sample 400 to be tested. When the spraying time reaches the set spraying time threshold, the liquid outlet control valve 302 is closed, and the above steps are recycled to realize the cyclic alternating corrosion experiment of the sample 400 to be tested. When the set number of cyclic alternations is reached, the sample 400 to be tested is lifted to the top of the heating furnace 100 for natural cooling. During the test, the mass sensor 201 detects the mass change information of the sample 400 to be tested, thereby realizing the corrosion test of the alloy in the corrosive environment of the cold-hot cycle.

[0036] Specifically, the sample quality detection component 200 includes a fixed shell, a partition is fixedly connected inside the fixed shell, at least one lifting screw 205 is rotatably connected to the partition, a lifting nut 209 that can perform reciprocating linear motion in the height direction is threadedly connected to the lifting screw 205, a lifting rod 204 is connected to the lifting nut 209, the lifting rod 204 is slidably connected to the fixed shell, two lifting motors 206 are fixedly connected to the lower side of the partition, the lifting motor 206 is connected to the lifting screw 205, and the lifting rod 204 is connected to the two lifting nuts 209 and is between the two lifting nuts 209.

[0037] When it is necessary to adjust the height position of the sample 400 to be tested, the lifting motor 206 is activated, the lifting screw 205 rotates, the lifting screw 205 drives the lifting rod 204 to move via the lifting nut 209, and the lifting rod 204 drives the sample 400 to be tested to move via the cross bar 203. When the sample 400 to be tested is lifted to the set position, the lifting motor 206 stops moving to achieve the position adjustment of the sample 400 to be tested in the height direction.

[0038] Example 2

[0039] Reference Figure 1 , Figure 3 and Figure 4 , which is the second embodiment of the utility model. This embodiment is based on embodiment 1. This embodiment provides a device for simulating a cyclic oxidation high-temperature corrosion environment and detecting changes in sample mass in real time, which can further realize the opening and closing of the opening 102 of the heating furnace 100 to prevent corrosive solutions from being sprayed into the heating furnace 100.

[0040] Specifically, the connecting seat 600 is rotatably connected with a transmission screw 700, the outer end of the connecting seat 600 is fixedly connected with a transmission motor 800, the transmission motor 800 is connected to the transmission screw 700, the transmission screw 700 is threadedly connected with a sliding block 900 slidably connected to the connecting seat 600, and the sliding block 900 is fixed with a plurality of guide rods 1000, and one end of the guide rod 1000 away from the sliding block 900 is fixedly connected to the cover plate 500, and the upper side of the connecting seat 600 is fixed. It is connected to a support seat 2000, and a transmission screw rod 700 is rotatably connected between the side end of the connection seat 600 and the support seat 2000. A plurality of guide holes corresponding to the guide rod 1000 are opened on the support seat 2000. The cover plate 500 includes a movable portion 501, and a vertically arranged material blocking portion 502 is fixed to one end of the movable portion 501 relative to the support seat 2000. The upper end of the material blocking portion 502 is higher than the nozzle 304, and the guide rod 1000 passes through the guide hole and is connected to the material blocking portion 502.

[0041] When the sample 400 to be tested rises and leaves the heating furnace 100 to a set height, the transmission motor 800 is activated, the transmission screw 700 rotates, the sliding block 900 moves, and the sliding block 900 drives the cover plate 500 to move via the guide rod 1000, and the movement direction of the transmission motor 800 is controlled to make the cover plate 500 move toward the direction where the nozzle 304 is located, and the cover plate 500 covers the through hole 602. The cover plate 500 moves to the set position, and the transmission motor 800 stops. After the spraying is completed, when the sample 400 to be tested needs to be sent into a high-temperature environment for further testing, the transmission motor 800 reverses and moves the cover plate 500 in the direction away from the nozzle 304. The cover plate 500 leaves the through hole 602 to the set position, and the transmission motor 800 stops. Thus, the opening 102 of the heating furnace 100 is opened and closed.

[0042] Example 3

[0043] Reference Figure 1 , Figure 2 , Figures 5 to 8 , which is the second embodiment of the utility model. This embodiment is based on embodiment 2. This embodiment provides a device for simulating a cyclic oxidation high-temperature corrosion environment and detecting changes in sample mass in real time, which can further facilitate the connection between the lifting rod 204 and the lifting nut 209.

[0044] Specifically, the lower end of the lifting rod 204 is connected to a connecting base plate 207, a first connecting plate 208 and a second connecting plate 210, a lifting nut 209 is provided with a circular connecting groove 209a, and two ends of the connecting base plate 207 are respectively provided with two snap-fitting grooves 207c corresponding to the lifting nut 209 at the connecting groove 209a, the connecting base plate 207 can be just plugged into the lifting nut 209 through the two snap-fitting grooves 207c, the upper and lower sides of the connecting base plate 207 are respectively attached to the lifting nuts 209 at the upper and lower sides of the connecting groove 209a, the first connecting plate 208 is provided with a first plug-in groove 208b corresponding to the lifting nut 209 at the connecting groove 209a, and the second connecting plate 210 is provided with a first plug-in groove 208b corresponding to the lifting nut 209 at the connecting groove 209a. The mother 209 corresponds to the second plug-in groove 210b, the first connecting plate 208 can be just connected to a lifting nut 209 through the first plug-in groove 208b and abut against the connecting base plate 207, the second connecting plate 210 can be just connected to another lifting nut 209 through the second plug-in groove 210b and abut against the connecting base plate 207, the first connecting plate 208 is provided with a plurality of first pin holes 208a, the second connecting plate 210 is provided with a plurality of second pin holes 210a, and the connecting base plate 207 is provided with a plurality of jacks corresponding to the first pin holes 208a and the second pin holes 210a; a top plate is fixedly connected to the upper side of the fixed shell, a sliding hole is provided in the center of the top plate, and the lifting rod 204 can pass through the sliding hole and be connected to the connecting base plate 207.

[0045] When installing the lifting rod 204, first align the two clamping grooves 207c on the connecting bottom plate 207 with the two connecting grooves 209a, so that the connecting bottom plate 207 is clamped to the lifting nut 209 at the connecting groove 209a from front to back through the two clamping grooves 207c, and then the first connecting plate 208 is clamped to the lifting nut 209 at the left end connecting groove 209a from back to front, and a plurality of limiting pins are used to pass through the insertion hole and the corresponding first pin hole 208a in sequence to connect the first connecting plate 208 and the connecting bottom plate 207 together, and the second connecting plate 210 is clamped to the lifting nut 209 at the right end connecting groove 209a from back to front, and a plurality of limiting pins are used to pass through the insertion hole and the corresponding second pin hole 210a in sequence to connect the second connecting plate 210 It is connected together with the connecting base plate 207, the upper and lower sides of the first connecting plate 208, the second connecting plate 210 and the connecting base plate 207 are respectively fitted with the lifting nuts 209 at the upper and lower ends of the connecting groove 209a, and finally the lifting rod 204 is passed through the sliding hole and threadedly connected to the threaded countersunk hole 207b opened on the connecting base plate 207. The lower end of the connecting base plate 207 is also provided with a connecting hole 207a coaxial with the threaded countersunk hole 207b, and the downward end of the lifting rod 204 is provided with a screw hole 204a, which is screwed into the connecting hole 207a and the screw hole 204a with a fixing bolt, and the bottom of the fixing bolt contacts the lower side of the connecting base plate 207, thereby improving the reliability of the connection between the lifting rod 204 and the connecting base plate 207, and the top plate is moved down and fixedly connected to the fixed shell.

[0046] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A device for simulating a cyclic oxidation high temperature corrosion environment and detecting the change in sample mass in real time, characterized in that: include, A heating furnace (100) having an upward opening (102); The sample quality detection component (200) comprises a lifting rod (204) capable of being raised and lowered, the upper portion of the lifting rod (204) being fixedly connected to a cross bar (203), the cross bar (203) being connected to a quality sensor (201), the quality sensor (201) being connected to a connecting piece (202), and the sample to be detected (400) being connected to the lower end of the connecting piece (202); The salt mist spraying assembly (300) comprises a nozzle (304) and a solution tank (303) above a heating furnace (100); a liquid outlet pipe (301) is fixedly connected to the lower part of the solution tank (303); a liquid outlet control valve (302) is connected to the liquid outlet pipe (301); and one end of the liquid outlet pipe (301) away from the solution tank (303) is connected to the nozzle (304).

2. The device for simulating a cyclic oxidation high temperature corrosion environment and detecting a change in sample mass in real time according to claim 1, characterized in that: The salt mist spraying assembly (300) further comprises a pressure valve (305) above the heating furnace (100), one end of the pressure valve (305) being connected to the nozzle (304), and the other end of the pressure valve (305) being connected to a pressure providing member for providing high-pressure gas to the nozzle (304).

3. The device for simulating a cyclic oxidation high temperature corrosion environment and detecting a change in sample mass in real time according to claim 1 or 2, characterized in that: The sample quality detection component (200) comprises a fixed shell, a partition is fixedly connected inside the fixed shell, at least one lifting screw (205) is rotatably connected to the partition, a lifting nut (209) which can perform reciprocating linear motion in the height direction is threadedly connected to the lifting screw (205), the lifting rod (204) is connected to the lifting nut (209), and the lifting rod (204) is slidably connected to the fixed shell.

4. The device for simulating a cyclic oxidation high temperature corrosion environment and detecting a change in sample mass in real time as claimed in claim 3, characterized in that: Two lifting motors (206) are fixedly connected to the lower side of the partition, and a lifting screw rod (205) is connected to the lifting motor (206). The lifting rod (204) is connected to two lifting nuts (209) and is located between the two lifting nuts (209).

5. The device for simulating a cyclic oxidation high temperature corrosion environment and detecting a change in sample mass in real time according to claim 4, characterized in that: The lower end of the lifting rod (204) is connected to a connecting base plate (207), and a circular connecting groove (209a) is formed on the lifting nut (209). Two clamping grooves (207c) corresponding to the lifting nut (209) at the connecting groove (209a) are respectively formed at both ends of the connecting base plate (207). The connecting base plate (207) can be just inserted into the lifting nut (209) through the two clamping grooves (207c), and the upper and lower sides of the connecting base plate (207) are respectively fitted on the lifting nuts (209) at the upper and lower sides of the connecting groove (209a).

6. The device for simulating a cyclic oxidation high temperature corrosion environment and detecting a change in sample mass in real time according to claim 5, characterized in that: The sample quality detection assembly (200) further comprises a first connecting plate (208) and a second connecting plate (210), wherein the first connecting plate (208) is provided with a first plug-in recessed groove (208b) corresponding to the lifting nut (209) at the connecting groove (209a), and the second connecting plate (210) is provided with a second plug-in recessed groove (210b) corresponding to the lifting nut (209) at the connecting groove (209a), and the first connecting plate (208) can be just connected to a lifting nut via the first plug-in recessed groove (208b). (209) and contacts the connecting base plate (207); the second connecting plate (210) can be just connected to another lifting nut (209) through the second plug-in groove (210b) and contacts the connecting base plate (207); the first connecting plate (208) is provided with a plurality of first pin holes (208a); the second connecting plate (210) is provided with a plurality of second pin holes (210a); the connecting base plate (207) is provided with a plurality of plug holes corresponding to the first pin holes (208a) and the second pin holes (210a).

7. The device for simulating a cyclic oxidation high temperature corrosion environment and detecting a change in sample mass in real time as claimed in claim 2, characterized in that: A furnace tube (101) is fixed in the heating furnace (100), and the sample (400) to be tested can be inserted into the furnace tube (101). A connecting seat (600) is fixedly connected to the upper side of the heating furnace (100), and a connecting groove (601) is formed at an upward end of the connecting seat (600). The connecting seat (600) is slidably connected to a cover plate (500) via the connecting groove (601), and a through hole (602) communicating with the opening (102) is formed at the center of the connecting seat (600), and the cover plate (500) can cover the through hole (602).

8. The device for simulating a cyclic oxidation high temperature corrosion environment and detecting a change in sample mass in real time according to claim 7, characterized in that: A transmission screw (700) is rotatably connected to the connection seat (600), a sliding block (900) is threadedly connected to the transmission screw (700) and is slidably connected to the connection seat (600), a plurality of guide rods (1000) are fixed to the sliding block (900), and one end of the guide rod (1000) away from the sliding block (900) is fixedly connected to the cover plate (500).

9. The device for simulating a cyclic oxidation high temperature corrosion environment and detecting a change in sample mass in real time as claimed in claim 8, characterized in that: The upper side of the connecting seat (600) is fixedly connected to a supporting seat (2000); the transmission screw rod (700) is rotatably connected between the side end of the connecting seat (600) and the supporting seat (2000); a plurality of guide holes corresponding to the guide rods (1000) are opened on the supporting seat (2000); the cover plate (500) comprises a moving portion (501); a vertically arranged material blocking portion (502) is fixed to one end of the moving portion (501) relative to the supporting seat (2000); the upper end of the material blocking portion (502) is higher than the nozzle (304); and the guide rod (1000) passes through the guide hole and is connected to the material blocking portion (502).

10. The device for simulating a cyclic oxidation high temperature corrosion environment and detecting a change in sample mass in real time according to claim 8 or 9, characterized in that: The outer end of the connection seat (600) is fixedly connected to a transmission motor (800), and the transmission motor (800) is connected to a transmission screw rod (700).

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