High-temperature-resistant detection device for electrolytic graphite product

Abstract

The utility model relates to a high-temperature-resistant detection device for an electrolytic graphite product, and belongs to the technical field of electrolytic graphite products. Compared with the prior art, the detection operation steps are optimized, and meanwhile, the occupied space of the whole equipment is reduced. Comprising a high-temperature heating furnace, a detection assembly and a supporting bottom plate, and the high-temperature heating furnace and the detection assembly are both installed on the supporting bottom plate; the detection assembly comprises a water inlet device, a water inlet pipe and a detection box body, the water inlet device is arranged outside the detection box body, and the water inlet device is communicated with the detection box body through the water inlet pipe; a detection box body door is hinged to the front surface of the detection box body; a weighing instrument is mounted on the bottom surface in the detection box body; a loading box is mounted on the weighing instrument; a carrying grid plate is connected to the inner wall of the carrying box, and hydrophobic layers are arranged on the surfaces of the carrying box and the carrying grid plate and are made of hydrophobic materials. The device is used for detecting the high-temperature resistance of the graphite product.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolytic graphite products, in particular to a high temperature resistance detection device for electrolytic graphite products. Background Art

[0002] Compared with copper, graphite material has the advantages of less consumption, fast discharge speed, light weight and small thermal expansion coefficient. Therefore, it gradually replaces copper electrodes and becomes the mainstream of discharge machining materials. A large number of graphite electrode blanks are also used to process into various crucibles, graphite boats, hot pressing molds and vacuum furnace heating elements and other special products. The synthetic materials of graphite materials under high temperature include graphite electrodes, graphite molds and graphite crucibles. The graphite in these three materials is very easy to undergo oxidation and combustion reaction at high temperature, resulting in increased porosity and loose structure of the carbon layer on the surface of the material, which affects the service life. Therefore, it is necessary to conduct high temperature resistance testing on these electrolytic graphite products to detect their porosity before and after high temperature use.

[0003] The Chinese patent with the announcement number CN218157396U discloses a high temperature resistant detection device for electrolytic graphite products, including a bottom plate, a high temperature heating furnace and a weighing instrument are fixedly installed on the top surface of the bottom plate, a water tower and a detection container are also fixedly connected to the top surface of the bottom plate, and a water outlet pipe is fixedly connected to the side of the bottom of the water tower, a valve is arranged on the water outlet pipe, and a water injection pipe is connected to the flange of the water outlet pipe, and the bottom end of the water injection pipe penetrates the top surface of the detection container and extends to the inside. The high temperature heating furnace is raised to a high temperature to simulate the working temperature of the graphite material, and then it is cooled, weighed by a weighing instrument, and then placed in a carrier box, a vacuum pump is evacuated and maintained for a certain period of time, water is injected until the sample is immersed, and then the negative pressure is maintained for a certain period of time, and the entire carrier box is taken out, and the sample is taken out and weighed, so as to facilitate the calculation of the porosity of the sample. The above patent can facilitate the detection of porosity, but the weighing instrument and the detection container of this patent are two independent devices set separately, which makes the occupied volume of the overall equipment relatively large. In addition, the detection steps of this patent are to place the cooled graphite product on the weighing instrument for weighing first, and then put it into the detection container for immersion in water. After immersion in water, the graphite product needs to be taken out of the detection container and placed on the weighing instrument for weighing again. Such operation steps are relatively cumbersome. Utility Model Content

[0004] In view of the problems of complicated detection operation steps and relatively large occupied space of the overall equipment caused by the above patent, the purpose of the utility model is to provide a high temperature resistant detection device for electrolytic graphite products.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A high temperature resistance detection device for electrolytic graphite products, comprising a high temperature heating furnace 1, a detection component 2 and a supporting bottom plate 3, wherein the high temperature heating furnace 1 and the detection component 2 are both installed on the supporting bottom plate 3;

[0007] The detection assembly 2 includes a water inlet device 4, a water inlet pipe 5 and a detection box 6. The water inlet device 4 is arranged outside the detection box 6, and the water inlet device 4 is connected to the detection box 6 through the water inlet pipe 5; a detection box door 7 is hinged on the front of the detection box 6, and an observation window 8 is arranged on the detection box door 7; a weighing instrument 9 is installed on the bottom surface of the detection box 6, and the weighing instrument 9 is a waterproof weighing instrument; a loading box 10 is installed on the weighing instrument 9, and the surface of the loading box 10 is provided with a A hydrophobic layer is provided; the upper end of the loading box 10 is open, and a first drain port 11 is provided at the bottom end of the side wall of the loading box 10; the inner wall of the loading box 10 is connected to a loading grid plate 12, and a hydrophobic layer is provided on the surface of the loading grid plate 12; a plurality of through holes 13 are provided on the loading grid plate 12; the bottom of the loading box 10 is cone-shaped; an air pump 14 is installed at the upper end of the side wall of the detection box 6, and the air pump 14 is connected to the interior of the detection box 6; a water outlet 15 is provided at the bottom of the detection box 6.

[0008] Furthermore, the water inlet device 4 is installed on the top of the detection box 6 , a water inlet 16 is provided on the top of the water inlet device 4 , and a water level observation window 17 is provided on the side wall of the water inlet device 4 .

[0009] Furthermore, the detection component 2 also includes a plurality of connecting columns 18 , one end of each connecting column 18 is connected to the top of the detection box 6 , and the other end of each connecting column 18 is connected to the bottom of the water inlet device 4 .

[0010] Furthermore, a second drain port 19 is formed on the side wall of the object loading box 10 , and the lower side of the second drain port 19 is in the same plane as the top surface of the object loading grid plate 12 .

[0011] Furthermore, the detection component 2 also includes a ventilation cavity 20 , which is arranged on the side of the detection box 6 ; an air outlet 21 is provided at the bottom end of the ventilation cavity 20 , and the air outlet 21 is directly opposite to the second drain port 19 .

[0012] Furthermore, both sides of the bottom surface inside the detection box 6 are inclined.

[0013] Furthermore, a sealing gasket 22 is provided between the detection box door 7 and the detection box 6 .

[0014] Furthermore, a valve is provided on the water inlet pipe 5 , and a solenoid valve 23 is provided on the water outlet 15 .

[0015] Furthermore, four support columns 24 are fixedly installed on the bottom of the detection box 6 .

[0016] Furthermore, the detection component 2 also includes a water tank 25 , and the water tank 25 is connected to the bottom of the detection box 6 .

[0017] Due to the adoption of the above technology, the utility model has the following positive effects compared with the prior art:

[0018] (1) The operating steps of the existing high temperature resistance detection device for electrolytic graphite products are: first, place the cooled graphite product on a weighing machine for weighing, then put the graphite product into a detection container and immerse it in water, then take it out of the detection container and put it on the weighing machine again for weighing. The detection box of the utility model is provided with a weighing machine, and the cooled graphite product can be weighed by placing it in the detection box. After weighing, the graphite product is immersed in water, and then the water is drained, and the saturated graphite product can be directly weighed. Compared with the existing high temperature resistance detection device for electrolytic graphite products, the utility model simplifies the detection operation steps.

[0019] (2) The water tank, detection container and weighing instrument of the existing high temperature resistance detection device for electrolytic graphite products are all independently installed on the bottom plate, which makes the space occupied by the overall equipment relatively large. The water inlet device of the utility model is preferably arranged on the detection box body, the weighing instrument is arranged in the detection box body, and the water tank is arranged at the bottom of the detection box body. Compared with the existing high temperature resistance detection device for electrolytic graphite products, the utility model occupies less space and is more convenient for moving and using the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front view of the utility model.

[0021] Figure 2 It is a front view of the detection component of the utility model.

[0022] Figure 3 It is a schematic diagram of the internal structure of the detection box of the utility model.

[0023] Figure 4 It is a schematic diagram of the structure of the object carrying box of the utility model.

[0024] In the attached drawings: 1. high-temperature heating furnace; 2. detection component; 3. supporting bottom plate; 4. water inlet device; 5. water inlet pipe; 6. detection box; 7. detection box door; 8. observation window; 9. weighing instrument; 10. loading box; 11. first drain outlet; 12. loading grid plate; 13. through hole; 14. air pump; 15. water outlet; 16. water filling port; 17. water level observation window; 18. connecting column; 19. second drain outlet; 20. ventilation cavity; 21. air outlet; 22. sealing gasket; 23. solenoid valve; 24. supporting column; 25. sink. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0026] Please refer to Figures 1 to 4 As shown, a high temperature resistance detection device for electrolytic graphite products is shown, which includes a high temperature heating furnace 1, a detection component 2 and a supporting bottom plate 3, and the high temperature heating furnace 1 and the detection component 2 are both installed on the supporting bottom plate 3;

[0027] The detection assembly 2 includes a water inlet device 4, a water inlet pipe 5 and a detection box 6. The water inlet device 4 is arranged outside the detection box 6. The water inlet device 4 is connected to the detection box 6 through the water inlet pipe 5. The water inlet pipe 5 is provided with a valve, and the valve can control the water in the water inlet device 4 to flow into the detection box 6; the front of the detection box 6 is hinged with a detection box door 7, and the detection box door 7 is provided with an observation window 8, through which the water level in the detection box 6 can be observed; the inside of the detection box 6 The bottom surface is provided with a weighing instrument 9, which is a waterproof weighing instrument. When the weighing instrument 9 is soaked in water, it will not affect the use of the weighing instrument 9. A carrying box 10 is installed on the weighing instrument 9. The carrying box 10 is a square carrying box. The upper end of the carrying box 10 is open. The top of each side wall of the carrying box 10 is in an arc shape, which is not easy to leave water drops. The bottom end of each side wall of the carrying box 10 is provided with a drain port 11. The entire surface of the carrying box 10 is provided with a hydrophobic layer, which is a hydrophobic material. The hydrophobic material has hydrophobicity, and more preferably, the hydrophobic layer is a super-hydrophobic material. When the object box 10 is immersed in water, no water droplets will remain on the side wall of the object box 10; the inner wall of the object box 10 is connected to the object grid plate 12; the surface of the object grid plate 12 is provided with a hydrophobic layer, and the hydrophobic layer is a hydrophobic material. The hydrophobic material has hydrophobicity, and more preferably, the hydrophobic layer is a super-hydrophobic material; a plurality of through holes 13 are opened on the object grid plate 12, and the plurality of through holes 13 are evenly distributed on the On the loading grid plate 12, the side wall of the through hole 13 is in an arc shape, which is not easy to retain water droplets; the bottom surface inside the loading box 10 is conical, and the bottom surface around the inside of the loading box 10 gradually rises toward the center; an air pump 14 is installed at the upper end of the side wall of the detection box 6, and the air pump 14 is connected to the interior of the detection box 6, and the air pump 14 has two functions of exhausting and inflating; a water outlet 15 is provided at the bottom of the detection box 6, and the water outlet 15 can discharge the water in the detection box 6.

[0028] Furthermore, in a preferred embodiment, the water inlet device 4 is installed on the top of the detection box 6 , a water inlet 16 is provided on the top of the water inlet device 4 , and a water level observation window 17 is provided on the side wall of the water inlet device 4 .

[0029] Further, in a preferred embodiment, the detection assembly 2 further includes a plurality of connecting columns 18, one end of each connecting column 18 is mounted on the top of the detection box 6, and the other end of each connecting column 18 is mounted on the bottom of the water inlet device 4. The connecting column 18 is used to mount the water inlet device 4 on the top of the detection box 6.

[0030] Furthermore, in a preferred embodiment, a second drain port 19 is provided on the side wall of the cargo box 10 , and the lower side of the second drain port 19 is at the same level as the top surface of the cargo grid plate 12 , so that the second drain port 19 can further drain water.

[0031] Furthermore, in a preferred embodiment, the detection component 2 also includes a ventilation cavity 20, which is arranged on the side surface inside the detection box 6; an air outlet 21 is arranged on the ventilation cavity 20, and the air outlet 21 is opposite to the second drain port 19 on one of the side walls of the carrier box 10; a water level line is arranged at the position of the ventilation cavity 20 corresponding to the air pump 14, and when water is injected into the detection box 6, the water level is observed through the observation window 8 to prevent the water level from reaching the position of the air pump 14 and affecting its use; when the inflation function of the air pump 14 is turned on, the gas enters the carrier box 10 from the air outlet 21 through the second drain port 19 opposite to it, and blows out the water droplets that may remain on the carrier grid plate 12 from the through hole 13 to reduce the weighing error of the detection sample. Preferably, two ventilation cavities 20 are provided inside the detection box 6, one ventilation cavity 20 is provided on the left side wall inside the detection box 6, and the other ventilation cavity 20 is provided on the rear side wall inside the detection box 6, and the two ventilation cavities 20 are connected; both ventilation cavities 20 are provided with air outlets 21, and the two air outlets 21 are respectively aligned with two right-angled second drainage outlets 19; when the inflation function of the air pump 14 is started, the airflow enters into the cargo box 10 from the two right-angled second drainage outlets 19, and two air outlets 21 are provided, so that the cargo box 10 can receive airflow in multiple directions.

[0032] Furthermore, in a preferred embodiment, the bottom surface of the detection box 6 is inclined at both sides, and the height in the middle is lower than the height on both sides; the water outlet 15 is arranged in the middle position of the bottom of the detection box 6. The inclined arrangement of the bottom of the detection box 6 makes it easier for water to be discharged from the water outlet 15.

[0033] Furthermore, in a preferred embodiment, a sealing gasket 22 is provided between the detection box door 7 and the detection box 6. Since the interior of the detection box 6 requires two steps of vacuum and water injection, when the detection box door 7 is in a closed state, the inside of the detection box 6 needs to be in a sealed state. The sealing gasket 22 can ensure the sealing when the detection box door 7 is in a closed state.

[0034] Furthermore, in a preferred embodiment, a solenoid valve 23 is provided on the water outlet 15 , and the solenoid valve 23 can control the switch of the water outlet 15 .

[0035] Furthermore, in a preferred embodiment, four support columns 24 are installed at the bottom of the detection box 6 , and the four support columns 24 fixedly connect the upper components with the supporting bottom plate 3 .

[0036] Further, in a preferred embodiment, the detection assembly 2 further includes a water tank 25, which is connected to the bottom of the detection box 6, and the water in the detection box 6 can flow into the water tank 25 through the water outlet 15. Further preferably, a card slot is provided at each end of the bottom of the detection box 6, and two card blocks are provided at the upper end of the water tank 25, and the two card blocks are respectively installed in the two card slots, and the card blocks can slide in the card slots to facilitate the taking of the water tank 25.

[0037] Preferably, in a preferred embodiment, the detection component 2 also includes an electronic control panel, which is installed on the side wall outside the detection box 6. The electronic control panel can view the weighing value of the weighing instrument 9 and control the air pump 14.

[0038] Preferably, in a preferred embodiment, the water inlet device 4 is arranged on the supporting base plate 3, and the water inlet device 4 is a water pump, which injects water into the detection box 6 through a water source external to the water pump. Such a design can reduce the overall weight of the detection component 2.

[0039] The operating method of the utility model is:

[0040] Place the graphite product in the high-temperature heating furnace 1, and raise the temperature in the high-temperature heating furnace 1 to a certain temperature to simulate the working temperature of the graphite product. Then, wait for it to cool, place the graphite product on the object grid plate 12 in the detection box 6, and weigh it with the weighing instrument 9. Then, close the detection box door 7 to seal the detection box 6, then drive the air pump 14 to pump air to form a negative pressure in the detection box 6. After maintaining for a certain period of time, open the valve on the water inlet pipe 5, and inject the water in the water inlet device 4 into the detection box 6. Check the water level through the observation window 8 until the graphite product is immersed. The water level should not exceed the water level line on the ventilation cavity 20. After a certain period of time, open the solenoid valve 23 and drain the water into the water tank 25 through the water outlet 15. In this process, the water level gradually decreases, and the water in the object box 10 will flow out from the through hole 13, the second drain port 19 and the first drain port 11 on the object grid plate 12, and the water level will gradually drop to the bottom of the detection box 6. Then, the air pump 14 is driven to inflate, and the gas enters the cargo box 10 through the second drain port 19 aligned with the air outlet 21. Since the surface of the cargo grid plate 12 is provided with a hydrophobic layer, the airflow generated by the air pump 14 can easily blow out the water droplets that may remain on the cargo grid plate 12 from the first through hole 13. Since the entire surface of the cargo box 10 is provided with a hydrophobic layer, and the bottom surface of the cargo box 10 is inclined, no water droplets will remain on the side wall and the bottom surface of the cargo box 10. Finally, the detection box door 7 is opened, and the mass of the saturated graphite product in the air and the apparent mass of the saturated graphite product are weighed to calculate the porosity.

[0041] The above are only preferred embodiments of the present invention, and do not limit the implementation mode and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A high temperature resistance detection device for electrolytic graphite products, characterized in that: It comprises a high-temperature heating furnace (1), a detection component (2) and a supporting base plate (3), wherein the high-temperature heating furnace (1) and the detection component (2) are both mounted on the supporting base plate (3); The detection assembly (2) comprises a water inlet device (4), a water inlet pipe (5) and a detection box (6); the water inlet device (4) is arranged outside the detection box (6); the water inlet device (4) is connected to the detection box (6) through the water inlet pipe (5); a detection box door (7) is hinged on the front of the detection box (6); the detection box door (7) is provided with an observation window (8); a weighing instrument (9) is installed on the bottom surface of the detection box (6); the weighing instrument (9) is a waterproof weighing instrument; a loading box (10) is installed on the weighing instrument (9); the loading box (10) The surface of the object carrying box (10) is provided with a hydrophobic layer; the upper end of the object carrying box (10) is open, and the bottom end of the side wall of the object carrying box (10) is provided with a first drainage port (11); the inner wall of the object carrying box (10) is connected to a object carrying grid plate (12), and the surface of the object carrying grid plate (12) is provided with a hydrophobic layer; the object carrying grid plate (12) is provided with a plurality of through holes (13); the bottom of the object carrying box (10) is in a cone shape; an air pump (14) is installed at the upper end of the side wall of the detection box (6), and the air pump (14) is connected to the inside of the detection box (6); and a water outlet (15) is provided at the bottom of the detection box (6).

2. The high temperature resistance detection device for electrolytic graphite products according to claim 1 is characterized in that: The water inlet device (4) is installed on the top of the detection box (6), a water inlet (16) is provided on the top of the water inlet device (4), and a water level observation window (17) is provided on the side wall of the water inlet device (4).

3. The high temperature resistance detection device for electrolytic graphite products according to claim 2 is characterized in that: The detection assembly (2) further comprises a plurality of connection columns (18), one end of each connection column (18) being connected to the top of the detection box (6), and the other end of each connection column (18) being connected to the bottom of the water inlet device (4).

4. The high temperature resistance detection device for electrolytic graphite products according to claim 1, characterized in that: A second drainage port (19) is provided on the side wall of the object carrying box (10), and the lower side of the second drainage port (19) is in the same plane as the top surface of the object carrying grid plate (12).

5. The high temperature resistance detection device for electrolytic graphite products according to claim 4, characterized in that: The detection component (2) further comprises a ventilation cavity (20), wherein the ventilation cavity (20) is arranged on a side surface inside the detection box (6); an air outlet (21) is arranged at the bottom end of the ventilation cavity (20), and the air outlet (21) is directly opposite to the second drain port (19).

6. The high temperature resistance detection device for electrolytic graphite products according to claim 1, characterized in that: Both sides of the bottom surface inside the detection box (6) are arranged in an inclined manner.

7. The high temperature resistance detection device for electrolytic graphite products according to claim 1, characterized in that: A sealing gasket (22) is provided between the detection box door (7) and the detection box (6).

8. The high temperature resistance detection device for electrolytic graphite products according to claim 1, characterized in that: The water inlet pipe (5) is provided with a valve, and the water outlet (15) is provided with a solenoid valve (23).

9. The high temperature resistance detection device for electrolytic graphite products according to claim 1, characterized in that: Four support columns (24) are fixedly mounted on the bottom of the detection box (6).

10. The high temperature resistance detection device for electrolytic graphite products according to claim 9, characterized in that: The detection component (2) further comprises a water tank (25), wherein the water tank (25) is connected to the bottom of the detection box (6).

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