Passive ash content meter for coal

Abstract

The utility model discloses a passive ash content meter for coal, which comprises a conveying support (1), one side of the conveying support (1) is provided with a mounting plate (6), the mounting plate (6) is fixedly connected with a base (8), the base (8) is provided with a support (9), the support (9) is provided with a threaded rod (11), two ends of the threaded rod (11) are rotatably connected with the support (9), the threaded rod (11) is provided with a sliding block (13), and the sliding block (13) is fixedly connected with the base (8). The bottom end of the sliding block (13) is fixedly connected with a mounting frame (14), a passive ash content meter body (15) is arranged on the mounting frame (14), an isolation hood (7) is arranged on the conveying support (1), and the isolation hood (7) is arranged over the passive ash content meter body (15). The problems that an existing passive ash meter cannot effectively shield detection rays and is lack of safety, and the detection position of the existing ash meter cannot be adjusted are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of ash content detection equipment, in particular to a passive ash content meter for coal. Background Art

[0002] The ash analyzer adopts double gamma ray penetration method, which can eliminate the influence of factors such as coal looseness and particle size, and quickly measure the ash content and calorific value of coal. This method is commonly used to realize fast coal quality online analyzer. The radioactive elements used in this method have the characteristics of low energy level, long service life (the shortest half-life is 30 years), small dose, etc., so it is safe and reliable, and there is no need to replace the radiation source during the service life.

[0003] The existing passive ash analyzer cannot effectively shield the detection rays during use, and some radiation rays may cause certain harm to the human body if they cannot be absorbed or shielded. In addition, the existing ash analyzer cannot adjust the detection position of the ash analyzer, and the detection precision and accuracy will be affected to a certain extent when detecting coal. Therefore, a passive ash analyzer for coal is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a passive ash meter for coal, which solves the problem that the existing passive ash meter cannot effectively shield the detection rays during use, and some radiation rays may cause certain harm to the human body if they cannot be absorbed or shielded, and the existing ash meter cannot adjust the detection position of the ash meter, and the detection precision and accuracy will also be affected to a certain extent when detecting coal.

[0005] The utility model is implemented as follows: a passive ash meter for coal comprises a conveying bracket, a mounting plate is provided on one side of the conveying bracket, a base is fixedly connected to the mounting plate, a bracket is provided on the base, a threaded rod is provided on the bracket, both ends of the threaded rod are rotatably connected to the bracket, a slider is provided on the threaded rod, a mounting frame is fixedly connected to the bottom end of the slider, a passive ash meter body is provided on the mounting frame, and an isolation cover is provided on the conveying bracket, and the isolation cover is placed directly above the passive ash meter body.

[0006] A further technical solution of the utility model is: a slide rail is fixedly connected to the bracket, the slider is connected to the bracket through the slide rail, and the slider is slidably connected to the slide rail so that the slider can perform linear motion on the slide rail.

[0007] A further technical solution of the utility model is: a threaded hole is provided on the slider, and the slider is connected to the threaded rod through the threaded hole. The slider is connected to the threaded rod by threaded connection, and the slider can be driven by rotating the threaded rod.

[0008] A further technical solution of the utility model is: a servo motor is provided at one end of the bracket close to the mounting plate, and an output end of the servo motor is fixedly connected to the threaded rod.

[0009] A further technical solution of the utility model is: a honeycomb panel is provided inside the isolation cover, the honeycomb panel is welded by a plurality of hexagonal tubes, and the honeycomb panel is placed directly above the passive ash analyzer body. The structural characteristics of the honeycomb panel are utilized to achieve isolation of reflected rays.

[0010] A further technical solution of the utility model is: a support frame is provided on the bottom surface of the conveying bracket, and the support frame is fixedly connected to the conveying bracket by bolts.

[0011] A further technical solution of the utility model is: a plurality of bearing sleeves are respectively provided on both sides of the conveying bracket, a conveying roller is provided on the bearing sleeve, and both ends of the conveying roller are rotatably connected to the bearing sleeve.

[0012] A further technical solution of the utility model is: a feeding box is provided on the conveying roller, and the feeding box is mainly used for the transmission of coal.

[0013] The beneficial effects of the utility model are as follows: 1. The passive ash meter for coal is provided with an isolation cover, which is installed just above the passive ash meter body. The isolation cover can effectively isolate the rays emitted by the ash meter from the outside world. At the same time, a honeycomb panel is provided inside the isolation cover to enhance the isolation and absorption of the rays and prevent them from causing harm to the human body.

[0014] 2. The passive ash meter for coal drives the threaded rod to rotate through the servo motor, and then drives the slider to make linear motion on the slide rail through the threaded rod, thereby achieving the purpose of horizontally adjusting the passive ash meter body. During detection, the position of the passive ash meter body can be continuously adjusted to improve the accuracy of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a main structural diagram of a passive ash analyzer for coal provided by the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of a passive ash analyzer for coal provided by the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the structure of an isolation cover of a passive ash analyzer for coal.

[0018] Figure numerals: 1. Conveying bracket; 2. Support frame; 3. Bearing sleeve; 4. Conveying roller; 5. Feeding box; 6. Mounting plate; 7. Isolation cover; 8. Base; 9. Bracket; 10. Servo motor; 11. Threaded rod; 12. Slide rail; 13. Slider; 14. Mounting frame; 15. Passive ash analyzer body; 16. Honeycomb panel. DETAILED DESCRIPTION

[0019] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0020] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of the present specification are only used to match the contents disclosed in the specification for people familiar with the technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present utility model, should still fall within the scope of the technical contents disclosed by the present utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in the present specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present utility model. The change or adjustment of the relative relationship, without substantial change of the technical contents, should also be regarded as the scope of the implementation of the present utility model.

[0021] Figure 1-Figure 3 The main structural components of a passive ash meter for coal are shown. The passive ash meter for coal includes a conveying bracket 1, a mounting plate 6 is provided on one side of the conveying bracket 1, a base 8 is fixedly connected to the mounting plate 6, a bracket 9 is provided on the base 8, a threaded rod 11 is provided on the bracket 9, both ends of the threaded rod 11 are rotatably connected to the bracket 9, a slider 13 is provided on the threaded rod 11, a mounting frame 14 is fixedly connected to the bottom end of the slider 13, a passive ash meter body 15 is provided on the mounting frame 14, and an isolation cover 7 is provided on the conveying bracket 1, and the isolation cover 7 is placed directly above the passive ash meter body 15.

[0022] like Figure 2 As shown, a slide rail 12 is fixedly connected to the bracket 9 , a slider 13 is connected to the bracket 9 via the slide rail 12 , and the slider 13 is slidably connected to the slide rail 12 .

[0023] The slider 13 is provided with a threaded hole, and the slider 13 is connected to the threaded rod 11 through the threaded hole.

[0024] A servo motor 10 is disposed at one end of the bracket 9 close to the mounting plate 6 , and an output end of the servo motor 10 is fixedly connected to a threaded rod 11 .

[0025] When the servo motor 10 is operating, the threaded rod 11 fixedly connected to the output end of the servo motor 10 will also move accordingly, and the slider 13 is connected to the threaded rod 11 through a threaded hole. Therefore, when the threaded rod 11 rotates, it will drive the slider 13 to perform linear motion on the slide rail 12, thereby realizing the adjustment of the detection position of the passive ash analyzer body 15.

[0026] like Figure 1 As shown, a support frame 2 is provided on the bottom surface of the conveying bracket 1, and the support frame 2 is fixedly connected to the conveying bracket 1 by bolts.

[0027] A plurality of bearing sleeves 3 are respectively provided on both sides of the conveying bracket 1, and conveying rollers 4 are provided on the bearing sleeves 3, and both ends of the conveying rollers 4 are rotatably connected to the bearing sleeves 3. A feeding box 5 is provided on the conveying rollers 4. It should be particularly noted that the passive ash analyzer for coal does not mark the transmission device of the conveying rollers 4. There are many ways to choose, but manual transmission is not recommended to avoid close contact with radiation.

[0028] like Figure 3 As shown, a honeycomb plate 16 is provided inside the isolation cover 7, and the honeycomb plate 16 is welded by a plurality of hexagonal tubes, and the honeycomb plate 16 is placed directly above the passive ash analyzer body 15. The honeycomb plate 16 can further isolate the rays reflected by the feeding box 5, and prevent the rays from being transmitted to the outside of the isolation cover 7 through reflection, thereby causing harm to the human body.

[0029] An opening is provided on the side of the isolation cover 7 , and one end of the bracket 9 is placed inside the isolation cover 7 through the opening.

[0030] The working principle of the passive ash analyzer for coal is as follows:

[0031] When in use, first send the feed box 5 to the inside of the isolation cover 7 through the conveying roller 4 on the conveying bracket 1. When the feed box 5 reaches the bottom of the passive ash analyzer body 15, the servo motor 10 starts to operate, and the threaded rod 11 fixedly connected to the output end of the servo motor 10 will also move accordingly, and the slider 13 is connected to the threaded rod 11 through a threaded hole, so the threaded rod 11 will drive the slider 13 to make linear motion on the slide rail 12 when rotating, thereby completing the adjustment of the detection position of the passive ash analyzer body 15. During the detection process, the isolation cover 7 will isolate the rays generated by the detection, and the honeycomb panel 16 inside the isolation cover 7 will isolate the rays reflected by the feed box 5 to prevent the rays from escaping the isolation cover 7 after reflection and causing harm to the staff outside. When the detection is completed, the feed box 5 is sent to the next process by the conveying roller 4.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A passive ash analyzer for coal, comprising a transmission bracket (1), characterized in that: A mounting plate (6) is provided on one side of the conveying bracket (1), a base (8) is fixedly connected to the mounting plate (6), a bracket (9) is provided on the base (8), a threaded rod (11) is provided on the bracket (9), both ends of the threaded rod (11) are rotatably connected to the bracket (9), a slider (13) is provided on the threaded rod (11), a mounting frame (14) is fixedly connected to the bottom end of the slider (13), a passive ash meter body (15) is provided on the mounting frame (14), and an isolation cover (7) is provided on the conveying bracket (1), and the isolation cover (7) is placed directly above the passive ash meter body (15).

2. A passive ash analyzer for coal according to claim 1, characterized in that: The bracket (9) is fixedly connected to a slide rail (12), the slider (13) is connected to the bracket (9) via the slide rail (12), and the slider (13) is slidably connected to the slide rail (12).

3. A passive ash analyzer for coal according to claim 1, characterized in that: The slider (13) is provided with a threaded hole, and the slider (13) is connected to the threaded rod (11) via the threaded hole.

4. A passive ash analyzer for coal according to claim 1, characterized in that: A servo motor (10) is provided at one end of the bracket (9) close to the mounting plate (6), and an output end of the servo motor (10) is fixedly connected to the threaded rod (11).

5. A passive ash analyzer for coal according to claim 1, characterized in that: A honeycomb plate (16) is provided inside the isolation cover (7). The honeycomb plate (16) is formed by welding a plurality of hexagonal tubes. The honeycomb plate (16) is placed directly above the passive ash analyzer body (15).

6. A passive ash analyzer for coal according to claim 1, characterized in that: A support frame (2) is provided on the bottom surface of the conveying support (1), and the support frame (2) is fixedly connected to the conveying support (1) by bolts.

7. A passive ash analyzer for coal according to claim 1, characterized in that: A plurality of bearing sleeves (3) are respectively provided on both sides of the conveying bracket (1), a conveying roller (4) is provided on the bearing sleeve (3), and both ends of the conveying roller (4) are rotatably connected to the bearing sleeve (3).

8. A passive ash analyzer for coal according to claim 7, characterized in that: A feeding box (5) is provided on the conveying roller (4).

Images