Blast furnace stokehole stemming mill sampling device based on temperature sensor and method thereof

Abstract

The invention discloses a blast furnace stokehole stemming mill sampling device and method based on a temperature sensor, and relates to the technical field of metallurgy, the blast furnace stokehole stemming mill sampling device comprises a stemming machine and a partition plate, and the partition plate is fixedly installed on the inner wall of the stemming machine; the temperature sensing equipment is arranged at the top of the partition plate, and the temperature sensing equipment is used for monitoring the temperature of the stemming in real time; the sliding rail is fixedly mounted at the top of the partition plate; the linear motor is mounted on the inner wall of the sliding rail in a sliding manner; the fixing ring is fixedly installed at the end, away from the sliding rail, of the linear motor, and the linear motor is used for driving the fixing ring to move up and down; a hollow spiral column is rotatably mounted on the inner wall of the fixing ring, the sampling pipe moves downwards to sample stemming at different layers, and the proportion difference of the stemming at different layers can be found, so that targeted adjustment is performed in the production process, and a product is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metallurgy, in particular to a blast furnace front mortar roller mill sampling device based on a temperature sensor and a method thereof. BACKGROUND

[0002] The device is a device used in blast furnace operation, mainly used for rolling, refining and homogenizing mortar, and processing mortar material into suitable particles for use to ensure its use effect in the blast furnace.

[0003] The patent with patent number CN216484132U relates to a blast furnace mortar roller mill sampling device, which comprises a mortar roller shell, a power unit and a sampling cylinder control unit. The front side of the mortar roller shell is provided with a round opening, and a sampling cylinder is slidably connected in the round opening. The lower side of the front end and the rear end of the sampling cylinder are respectively provided with a sample outlet and a sampling port. The rear end of the sampling cylinder is fixedly connected with a sealing plate. The inner side of the sampling cylinder is rotatably connected with a screw rod, and the front end of the screw rod penetrates the front end of the sampling cylinder. The power unit is installed at the front end of the screw rod. The sampling cylinder control unit is arranged on the outer side of the sampling cylinder. In addition, it also comprises a control switch group, which is arranged on the outer side of the mortar roller shell. The input end of the control switch group is electrically connected with the output end of the external power supply. The blast furnace mortar roller mill sampling device is arranged outside the mortar roller mill and is not easily damaged by the internal parts of the mortar roller mill. Moreover, the sampling speed is fast and very convenient.

[0004] In the above-mentioned patent, the input end of the control switch group is electrically connected with the output end of the external power supply. The blast furnace mortar roller mill sampling device is arranged outside the mortar roller mill and is not easily damaged by the internal parts of the mortar roller mill. Moreover, the sampling speed is fast and very convenient. However, it can only sample the mortar at the bottom of the mortar machine. The sample at the bottom may not accurately reflect the overall quality of the entire mortar, and cannot reflect the true quality of the entire batch. Moreover, during the sampling process, the sample is directly exposed to the air, which may cause the sample to react with harmful gases in the air, causing the sample to change and affecting the sampling effect. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a blast furnace front mortar roller mill sampling device based on a temperature sensor and a method thereof, which solves the problems raised in the above background art.

[0006] To achieve the above object, the application is implemented by the following technical scheme: a blast furnace forehearth mortar roller sampling device based on a temperature sensor, comprising: a mortar roller, a partition plate, the partition plate being fixedly installed on the inner wall of the mortar roller; a temperature sensing device, the temperature sensing device being arranged on the top of the partition plate, the temperature sensing device being used for real-time monitoring of the temperature of the mortar; a slide rail, the slide rail being fixedly installed on the top of the partition plate; a linear motor, the linear motor being slidingly installed on the inner wall of the slide rail; a fixed ring, the fixed ring being fixedly installed on the end of the linear motor away from the slide rail, the linear motor being used for driving the fixed ring to move up and down; a hollow spiral column being rotatably installed on the inner wall of the fixed ring, a spiral ring being threadedly installed on the surface of the hollow spiral column, the spiral ring being fixedly installed on the top of the partition plate, a limiting ring being fixedly installed on the inner wall of the hollow spiral column, a sampling tube being arranged in the hollow spiral column, a sealing device being rotatably installed on the inner wall of the sampling tube, the sealing device being driven by a motor, an arc-shaped plate being fixedly installed on the bottom of the partition plate, threads being formed on the surface of the arc-shaped plate, the sampling tube being first placed into the hollow spiral column, the limiting ring limiting the sampling tube, then the linear motor moving downward along the slide rail, the linear motor moving downward driving the fixed ring to move downward, the fixed ring moving downward driving the hollow spiral column to move downward, the hollow spiral column moving downward being guided by the spiral ring to rotate during the downward movement.

[0007] According to the above technical scheme, the limiting ring is arranged below the sampling tube, the limiting ring limiting the sampling tube to prevent the sampling tube from sliding downward, threads being formed on the surface of the arc-shaped plate and matching the threads on the outer surface of the hollow spiral column, the arc-shaped plate scraping off the particles stuck on the outer surface of the hollow spiral column.

[0008] According to the above technical scheme, the linear motor being provided with a limiting device and an anti-blocking device for limiting the sampling tube, the limiting device comprising a fixed frame, a rotating frame, a pulley and a limiting plate, the fixed frame moving downward driving the rotating frame and the pulley to move downward, the pulley contacting the slide rail during the downward movement, the fixed frame being fixedly installed on the top of the linear motor, the rotating frame being rotatably installed on the surface of the fixed frame, the pulley being rotatably installed on the inner wall of the rotating frame, the limiting plate being fixedly installed on the top of the rotating frame.

[0009] According to the above technical scheme, the hollow spiral tube being fixedly installed on the inner wall of the top of the sampling tube, the spiral rod being threadedly installed on the inner wall of the hollow spiral tube, the circular plate being fixedly installed on the bottom of the spiral rod, the sliding rod being slidingly installed on the top of the circular plate, the sliding rod slidingly penetrating through the top of the sampling tube, the fixed plate being fixedly installed on the top of the sliding rod, the sliding rod moving downward pushing the circular plate to move downward, the spiral rod rotating during the downward movement of the circular plate due to the threads on the inner wall of the hollow spiral tube, the spiral rod rotating itself driving the circular plate to rotate.

[0010] According to the above technical scheme, a first torsional spring is arranged between the rotating frame and the fixed frame, the rotating frame is reset by the elastic force of the first torsional spring, and the circular plate is in contact with the inner wall of the sampling tube.

[0011] According to the above technical scheme, the anti-blocking device comprises a long rod, a connecting frame and a scraper, the long rod is driven to move downward and rotate by the downward movement and rotation of the circular plate, the connecting frame is driven to move downward and rotate by the downward movement and rotation of the long rod, and the scraper is driven to move downward and rotate by the downward movement and rotation of the connecting frame.

[0012] According to the above technical scheme, a connecting rod is fixedly installed at the top of the inner wall of the hollow spiral tube, the connecting rod penetrates the spiral rod, a sliding plate is slidingly installed on the side of the connecting frame away from the inner wall of the sampling tube, a short rod is fixedly installed on the circumferential surface of the connecting rod, and an inclined plate is fixedly installed on the side of the sliding plate close to the short rod.

[0013] According to the above technical scheme, the scraper is in contact with the inner wall of the sampling tube, a first spring is arranged between the connecting frame and the sliding plate, and the sliding plate is reset by the elastic force of the first spring.

[0014] The application provides a blast furnace forehearth mortar roller sampling device based on a temperature sensor and a method thereof. (1) The application can monitor the temperature inside the mortar roller in real time through a temperature sensing device, and when the temperature collected by the temperature sensing device exceeds or is lower than the set range, the sampling device will receive a control signal and perform sampling operation according to the need.

[0015] (2) The application, at the same time when the sampling contact, the motor drives the sealing device to rotate to seal the bottom of the sampling tube, prevent the sample from spilling out during sampling, affect the sampling effect, at the same time, the hollow spiral column will contact with the thread on the surface of the arc plate during the reset process, the particles in the thread on the outer wall of the hollow spiral column are pushed out through the thread on the surface of the arc plate, prevent the particles from entering the spiral ring, cause the particles in the spiral ring to be stuck, cause the equipment to be unable to operate normally, affect the sampling progress.

[0016] (3) The application, through the limiting plate downward rotation to limit the sampling tube, prevent the sampling tube from moving downward during sampling, the reverse force pushes the sampling tube upward, affect the sampling tube sampling, at the same time, the reset of the rotating frame will automatically release the limiting of the sampling tube by the limiting plate, make the operation more convenient, when the sample needs to be taken out, the screw rod will rotate by the thread on the inner wall of the hollow spiral pipe during the downward movement of the circular plate, the circular plate will rotate by the screw rod itself, the particles in the sampling tube can be taken out more effectively by the rotation during the downward movement of the circular plate, prevent the particles from adhering to the inside of the sampling tube, affect the integrity of the sampling.

[0017] (4) The application, through the scraper downward movement and rotation to scrape the inner wall of the sampling tube, prevent the particles from adhering to the inner wall, at the same time, the particles in the sampling tube can be loosened by the rotation of the long rod, the sample can be taken out more conveniently, the inclined plate downward movement will drive the sliding plate to move downward, the sliding plate downward movement will promote the sampling effect, prevent the samples from being tightly attached together, cause the samples to be stuck in the sampling tube during sampling, affect the sampling effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the application; Figure 2 It is the arc plate and the partition plate structure schematic diagram of the application; Figure 3 It is the hollow spiral column cross section structure schematic diagram of the application; Figure 4 It is the fixed frame and the rotating frame structure schematic diagram of the application; Figure 5 It is the sampling tube cross section structure schematic diagram of the application; Figure 6 It is the circular plate and the long rod structure schematic diagram of the application; Figure 7 It is the application Figure 6 It is the A part structure enlarged schematic diagram of the application.

[0019] In the figure: 1, mortar machine; 2, partition; 3, temperature sensing device; 4, slide rail; 5, linear motor; 6, fixed ring; 7, hollow spiral column; 8, spiral ring; 9, limit ring; 10, sampling pipe; 11, sealing device; 111, arc plate; 121, fixed frame; 122, rotating frame; 123, pulley; 124, limit plate; 125, hollow spiral pipe; 126, spiral rod; 127, round plate; 128, sliding rod; 129, fixed plate; 131, long rod; 132, connecting frame; 133, scraper; 134, connecting rod; 135, sliding plate; 136, short rod; 137, inclined plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] Please refer to Figure 1 - Figure 4 An embodiment of the present application is: a blast furnace front mortar roller sampling device based on a temperature sensor, comprising: a mortar machine 1, a partition 2, the partition 2 is fixedly installed on the inner wall of the mortar machine 1; a temperature sensing device 3, the temperature sensing device 3 is arranged on the top of the partition 2, and the temperature sensing device 3 is used for real-time monitoring of the temperature of the mortar; a slide rail 4, the slide rail 4 is fixedly installed on the top of the partition 2; a linear motor 5, the linear motor 5 is slidingly installed on the inner wall of the slide rail 4; a fixed ring 6, the fixed ring 6 is fixedly installed on the end of the linear motor 5 away from the slide rail 4, and the linear motor 5 is used to drive the fixed ring 6 to move up and down; a hollow spiral column 7 is rotatably installed on the inner wall of the fixed ring 6, a spiral ring 8 is threadedly installed on the surface of the hollow spiral column 7, the spiral ring 8 is fixedly installed on the top of the partition 2, a limit ring 9 is fixedly installed on the inner wall of the hollow spiral column 7, a sampling pipe 10 is arranged in the hollow spiral column 7, a sealing device 11 is rotatably installed on the inner wall of the sampling pipe 10, the sealing device 11 is driven by a motor, an arc plate 111 is fixedly installed on the bottom of the partition 2, and threads are formed on the surface of the arc plate 111. By moving the sampling pipe 10 downward, different levels of mortar can be sampled, the difference in the proportion of mortar at different levels can be found, and targeted adjustment can be made during production to improve the product.

[0022] The limit ring 9 is arranged below the sampling pipe 10, the sampling pipe 10 is limited by the limit ring 9, and the sampling pipe 10 is prevented from sliding downward, threads are formed on the surface of the arc plate 111 and match the threads on the outer surface of the hollow spiral column 7, and the particles stuck on the outer surface of the hollow spiral column 7 are scraped off by the arc plate 111.

[0023] The working of the embodiment is as follows: the temperature inside the mortar machine 1 is monitored in real time by the temperature sensing device 3, when the temperature collected by the temperature sensing device 3 exceeds or is lower than the set range, the sampling device will receive a control signal and perform sampling operation as needed; Firstly, the sampling tube 10 is placed inside the hollow spiral column 7, and the limiting ring 9 limits the sampling tube 10, then the linear motor 5 moves downward along the slide rail 4, the linear motor 5 moves downward to drive the fixed ring 6 to move downward, the fixed ring 6 moves downward to drive the hollow spiral column 7 to move downward, the hollow spiral column 7 moves downward to be guided by the spiral ring 8, so that the hollow spiral column 7 rotates during the downward movement, the sampling tube 10 moves downward and rotates by the rotation of the hollow spiral column 7 during the downward movement, the mortar particles can enter the inside of the sampling tube 10 by the downward movement and rotation of the sampling tube 10, and the sampling tube 10 can sample mortars at different levels by moving downward, so that the difference in the proportion of mortars at different levels can be found, and targeted adjustment can be made in the production process to improve the product; Meanwhile, when the sampling contact, the motor drives the sealing device 11 to rotate to seal the bottom of the sampling tube 10, preventing the sample from spilling out during sampling and affecting the sampling effect, and when the hollow spiral column 7 is reset, it will contact the threads on the surface of the arc plate 111, the particles in the threads on the outer wall of the hollow spiral column 7 are pushed out by the threads on the surface of the arc plate 111, preventing the particles from entering the spiral ring 8, causing the particles in the spiral ring 8 to be stuck, causing the equipment to malfunction and affecting the sampling progress.

[0024] Please refer to Figure 1 - Figure 7 On the basis of the above embodiment, in another embodiment of the application, the linear motor 5 is provided with a limiting device and an anti-blocking device for limiting the sampling tube 10, the limiting device comprises a fixed frame 121, a rotating frame 122, a pulley 123 and a limiting plate 124, the fixed frame 121 is fixedly installed on the top of the linear motor 5, the rotating frame 122 is rotatably installed on the surface of the fixed frame 121, the pulley 123 is rotatably installed on the inner wall of the rotating frame 122, and the limiting plate 124 is fixedly installed on the top of the rotating frame 122, the limiting plate 124 is rotated downward to limit the sampling tube 10, preventing the sampling tube 10 from moving upward under the action of the reverse force when sampling downward, and affecting the sampling of the sampling tube 10.

[0025] The top of the inner wall of the sampling tube 10 is fixedly provided with a hollow spiral pipe 125, the inner wall of the hollow spiral pipe 125 is threadedly provided with a spiral rod 126, the bottom of the spiral rod 126 is fixedly provided with a circular plate 127, the top of the circular plate 127 is slidably provided with a sliding rod 128, the sliding rod 128 slidably penetrates the top of the sampling tube 10, the top of the sliding rod 128 is fixedly provided with a fixed plate 129, and the rotation of the circular plate 127 during the downward movement can more effectively take out the particles in the sampling tube 10, so that the particles are prevented from adhering to the inside of the sampling tube 10 and affecting the integrity of sampling.

[0026] A first torsional spring is arranged between the rotating frame 122 and the fixed frame 121, the rotating frame 122 is reset by the elastic force of the first torsional spring, and the circular plate 127 is in contact with the inner wall of the sampling tube 10.

[0027] When the embodiment works: the fixed frame 121 is driven downward by the linear motor 5, the fixed frame 121 drives the rotating frame 122 and the pulley 123 to move downward, the pulley 123 contacts the slide rail 4 during the downward movement, the slide rail 4 drives the pulley 123 and the rotating frame 122 to rotate upward, the rotating frame 122 drives the limiting plate 124 to rotate downward, the limiting plate 124 limits the sampling tube 10 to prevent the sampling tube 10 from moving upward under the action of reverse force during sampling, and the sampling of the sampling tube 10 is affected; Meanwhile, when the fixed frame 121 is reset by the linear motor 5, the elastic force of the first torsional spring drives the rotating frame 122 to reset, the rotating frame 122 drives the limiting plate 124 to automatically release the limitation on the sampling tube 10, so that the operation is more convenient, and meanwhile, the particles entering the sampling tube 10 during the downward movement of the sampling tube 10 drive the circular plate 127 to move upward, the circular plate 127 drives the spiral rod 126 to move upward, and the spiral rod 126 rotates along the inner wall of the hollow spiral pipe 125. Meanwhile, when the sample needs to be taken out, the motor is started to open the sealing device 11, and then the fixed plate 129 is driven to move downward, the fixed plate 129 drives the sliding rod 128 to move downward, the sliding rod 128 drives the circular plate 127 to move downward, and the spiral rod 126 rotates during the downward movement of the circular plate 127, the spiral rod 126 drives the circular plate 127 to rotate, and the rotation of the circular plate 127 during the downward movement can more effectively take out the particles in the sampling tube 10, so that the particles are prevented from adhering to the inside of the sampling tube 10 and affecting the integrity of sampling.

[0028] The anti-blocking device comprises a long rod 131, a connecting frame 132 and a scraper 133. The long rod 131 is fixedly installed at the bottom of the circular plate 127. The connecting frame 132 is fixedly installed at the bottom of the long rod 131. The scraper 133 is fixedly installed on one side of the connecting frame 132 close to the inner wall of the sampling tube 10. The inner wall of the sampling tube 10 is scraped by the downward movement and rotation of the scraper 133, so as to prevent the particles from adhering to the inner wall. Meanwhile, the particles in the sampling tube 10 can be loosened by the rotation of the long rod 131, so that the sample can be taken out more conveniently.

[0029] A connecting rod 134 is fixedly installed at the top of the inner wall of the hollow spiral tube 125. The connecting rod 134 penetrates the spiral rod 126. A sliding plate 135 is slidingly installed on one side of the connecting frame 132 away from the inner wall of the sampling tube 10. A short rod 136 is fixedly installed on the circumferential surface of the connecting rod 134. An inclined plate 137 is fixedly installed on one side of the sliding plate 135 close to the short rod 136. The downward movement of the sliding plate 135 can promote the sampling effect and prevent the samples from being tightly attached together, so as to be stuck in the sampling tube 10 during the sampling process and affect the sampling effect.

[0030] The scraper 133 is in contact with the inner wall of the sampling tube 10. A first spring is arranged between the connecting frame 132 and the sliding plate 135. The sliding plate 135 is reset by the elastic force of the first spring.

[0031] A sampling method of a blast furnace forehearth mortar roller sampling device based on a temperature sensor comprises the following steps: Step one: The temperature inside the mortar machine 1 is monitored in real time by a temperature sensing device 3. When the temperature collected by the temperature sensing device 3 exceeds or is lower than the set range, the sampling device receives a control signal and performs sampling operation as needed. Step two: The sampling tube 10 is first placed inside the hollow spiral column 7. The limiting ring 9 limits the sampling tube 10. Then the linear motor 5 moves downward along the slide rail 4. The downward movement of the linear motor 5 drives the fixed ring 6 to move downward. The downward movement of the fixed ring 6 drives the hollow spiral column 7 to move downward. The downward movement of the hollow spiral column 7 is guided by the spiral ring 8, so that the hollow spiral column 7 rotates during the downward movement. Step three: The downward movement and rotation of the sampling tube 10 are driven by the rotation of the hollow spiral column 7 during the downward movement. The mortar particles can enter the inside of the sampling tube 10 by the downward movement and rotation of the sampling tube 10. Meanwhile, the sampling tube 10 can sample the mortar at different levels, so that the difference in the proportion of the mortar at different levels can be found, and the product can be improved by targeted adjustment during the production process. Step four: when the sampling contact, the motor drives the sealing device 11 to rotate to seal the bottom of the sampling tube 10, prevent the sample from spilling out during sampling, affect the sampling effect, at the same time, when the hollow spiral column 7 is reset, it is in contact with the threads on the surface of the arc plate 111, and the particles in the threads on the outer wall of the hollow spiral column 7 are pushed out through the threads on the surface of the arc plate 111, preventing particles from entering the spiral ring 8, causing particles to be stuck inside the spiral ring 8, causing the device to malfunction, affecting the sampling progress.

[0032] By moving and rotating the circular plate 127 downward, the long rod 131 moves and rotates downward, which drives the connecting frame 132 to move and rotate downward, and the connecting frame 132 moves and rotates downward, which drives the scraper 133 to move and rotate downward; By moving and rotating the scraper 133 downward, the inner wall of the sampling tube 10 is scraped off to prevent the inner wall from adhering to the particles, and the rotation of the long rod 131 can make the particles inside the sampling tube 10 loose, making it more convenient to take out the sample, and the rotation of the connecting frame 132 will drive the sliding plate 135 to rotate, and the rotation of the sliding plate 135 will drive the inclined plate 137 to rotate; The inclined plate 137 will contact the short rod 136 during rotation, which will push the inclined plate 137 to move downward, and the inclined plate 137 will move downward, which will drive the sliding plate 135 to move downward, and the sliding plate 135 will move downward, which will promote the sampling effect, prevent the sample from being tightly attached together, cause the sample to be stuck inside the sampling tube 10 during sampling, and affect the sampling effect.

[0033] Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A temperature sensor based blast furnace forehearth rammer mill sampling device for sampling a blast furnace forehearth rammer mill, comprising: The invention discloses a mortar machine (1), which is characterized in that: A partition plate (2) is fixedly installed on the inner wall of the mortar machine (1); A temperature sensing device (3) is arranged on the top of the partition plate (2), and is used for monitoring the temperature of the mortar in real time; A sliding rail (4) is fixedly installed on the top of the partition plate (2); A linear motor (5) is slidingly installed on the inner wall of the sliding rail (4); A fixed ring (6) is fixedly installed on the end of the linear motor (5) away from the sliding rail (4), and the linear motor (5) is used for driving the fixed ring (6) to move up and down; A hollow spiral column (7) is rotatably installed on the inner wall of the fixed ring (6), a spiral ring (8) is threadedly installed on the surface of the hollow spiral column (7), the spiral ring (8) is fixedly installed on the top of the partition plate (2), a limiting ring (9) is fixedly installed on the inner wall of the hollow spiral column (7), a sampling tube (10) is arranged in the hollow spiral column (7), a sealing device (11) is rotatably installed on the inner wall of the sampling tube (10), the sealing device (11) is driven by a motor, and an arc-shaped plate (111) is fixedly installed on the bottom of the partition plate (2).

2. A blast furnace forehearth rammer sampling device based on temperature sensor according to claim 1, characterized in that: The limiting ring (9) is arranged below the sampling tube (10), and the arc-shaped plate (111) is provided with threads on the surface, which are matched with the threads on the outer surface of the hollow spiral column (7).

3. A blast furnace forehearth rammer sampling device based on temperature sensor according to claim 2, characterized in that: The limiting device comprises a fixed frame (121), a rotating frame (122), a pulley (123) and a limiting plate (124), the fixed frame (121) is fixedly installed on the top of the linear motor (5), the rotating frame (122) is rotatably installed on the surface of the fixed frame (121), the pulley (123) is rotatably installed on the inner wall of the rotating frame (122), and the limiting plate (124) is fixedly installed on the top of the rotating frame (122).

4. A blast furnace forehearth rammer sampling device based on temperature sensor according to claim 3, characterized in that: The hollow spiral tube (125) is fixedly installed on the inner wall of the sampling tube (10), the spiral rod (126) is threadedly installed on the inner wall of the hollow spiral tube (125), the circular plate (127) is fixedly installed on the bottom of the spiral rod (126), the sliding rod (128) is slidingly installed on the top of the circular plate (127), the sliding rod (128) slidingly penetrates the top of the sampling tube (10), and the fixed plate (129) is fixedly installed on the top of the sliding rod (128).

5. A blast furnace forehearth rammer sampling device based on temperature sensor as claimed in claim 4, wherein: A first torsional spring is arranged between the rotating frame (122) and the fixed frame (121), and the circular plate (127) is in contact with the inner wall of the sampling tube (10).

6. A blast furnace forehearth rammer sampling device based on temperature sensor as claimed in claim 5, wherein: The anti-blocking device comprises a long rod (131), a connecting frame (132) and a scraper (133), the long rod (131) is fixedly installed on the bottom of the circular plate (127), the connecting frame (132) is fixedly installed on the bottom of the long rod (131), and the scraper (133) is fixedly installed on one side of the connecting frame (132) close to the inner wall of the sampling tube (10).

7. A blast furnace forehearth rammer sampling device based on temperature sensor according to claim 6, characterized in that: The hollow spiral pipe (125) inner wall top fixed installation has connecting rod (134), the connecting rod (134) penetrates spiral rod (126), the connecting frame (132) far away from the one side of sampling pipe (10) inner wall slide installation has sliding plate (135), the connecting rod (134) circumferential surface fixed installation has short pole (136), the sliding plate (135) close to the one side of short pole (136) fixed installation has inclined plate (137).

8. A blast furnace forehearth rammer sampling device based on temperature sensor according to claim 7, characterized in that: The scraper (133) is in contact with the inner wall of the sampling tube (10), and a spring is arranged between the connecting frame (132) and the sliding plate (135).

9. A sampling method of a temperature sensor-based sampling device for a tamping mill of a blast furnace, using the temperature sensor-based sampling device for a tamping mill of a blast furnace according to claim 8, characterized in that: The method comprises the following steps: Step one: real-time monitoring of the temperature inside the stemming machine (1) by the temperature sensing device (3), when the temperature collected by the temperature sensing device (3) exceeds or is lower than the set range, the sampling device receives a control signal and performs sampling operation as needed; Step two: first, place the sampling tube (10) into the hollow spiral column (7), and limit the sampling tube (10) with the limiting ring (9), then move the linear motor (5) downward along the slide rail (4), the downward movement of the linear motor (5) drives the fixed ring (6) to move downward, the downward movement of the fixed ring (6) drives the hollow spiral column (7) to move downward, the downward movement of the hollow spiral column (7) is guided by the spiral ring (8), so that the hollow spiral column (7) rotates during the downward movement; Step three: the downward movement and rotation of the sampling tube (10) are driven by the rotation of the hollow spiral column (7) during the downward movement, the downward movement and rotation of the sampling tube (10) can better make the stemming particles enter the inside of the sampling tube (10), and the downward movement of the sampling tube (10) can sample the stemming at different levels, so that the difference in the proportion of stemming at different levels can be found, and targeted adjustment can be made in the production process to improve the product; Step four: when the sampling contact, the motor drives the sealing device (11) to rotate to seal the bottom of the sampling tube (10), preventing the sample from spilling out during sampling and affecting the sampling effect, and when the hollow spiral column (7) is reset and contacts the threads on the surface of the arc plate (111), the particles in the threads on the outer wall of the hollow spiral column (7) are pushed out through the threads on the surface of the arc plate (111), preventing the particles from entering the spiral ring (8) and causing the spiral ring (8) to be stuck by the particles, causing the equipment to malfunction and affecting the sampling progress.

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