Shaft end sealing device for high-pressure nitrogen blower

Abstract

The utility model discloses a shaft end sealing device for a high-pressure nitrogen blower, and relates to the technical field of sealing. The device comprises a tank body and a pipeline I fixedly connected to the outer wall of the tank body, wherein a sealing mechanism and a configuration mechanism are arranged on the tank body. By arranging the sealing mechanism, in the using process, firstly, high-pressure nitrogen is filled into the first pipeline, under the action of the high-pressure nitrogen, the first sealing block moves backwards and compresses the first spring on the first damper, the first sealing block is separated from the first sealing check block in the first pipeline, and therefore the nitrogen can flow into the tank body from the separated gap; due to lack of high-pressure resistance, the first sealing block can be completely sealed with the first sealing check block under pushing of the first spring, it is ensured that gas cannot leak, and the problem of gas leakage is solved through cooperation of the first sealing check block and the sealing block and cooperation of the first spring and the second spring; therefore, human body harm caused by gas leakage and potential safety hazards in production are effectively prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of sealing, and particularly relates to a shaft end sealing device for a high-pressure nitrogen blower. Background Art

[0002] In the related art, a shaft end sealing device for a high-pressure nitrogen blower is disclosed with a publication number of CN217152976U, which is composed of a graphite sealing group, a shaft end sealing flange, a shaft end high and low tooth seal, a casing, and a main shaft. It is characterized in that the shaft end high and low tooth seal is installed on the casing through a positioning sub-port, and the main shaft and the shaft end high and low tooth seal are installed on the casing according to corresponding grooves and sealing teeth. The shaft end sealing flange and the graphite sealing group are both intermediate split structures. The shaft end sealing flange is locked on the casing by high-strength bolts. The graphite sealing group is mounted on the main shaft and adjusted and locked on the shaft end sealing flange by hexagon socket bolts. Nitrogen filling holes are provided on the shaft end high and low tooth seal and the casing.

[0003] The shaft end seal of the nitrogen circulation fan is a carbon ring seal, which has a slight leakage problem due to structural reasons. The leaked gas during the sulfurization of the conversion furnace catalyst contains CS2 gas, which poses a risk of personnel poisoning and a major safety hazard in production, so it is modified. Utility Model Content

[0004] The utility model aims to provide a shaft end sealing device for a high-pressure nitrogen blower, which solves the problem that the shaft end seal of the nitrogen circulation blower is a carbon ring seal, which has a trace leakage problem due to structural reasons, and there is CS2 gas in the leaked gas during the vulcanization of the conversion furnace catalyst, which has a risk of personnel poisoning and a major safety hazard in production, so the problem of modification is solved.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a shaft end sealing device for a high-pressure nitrogen blower, comprising a tank body and a pipeline fixedly connected to the outer wall of the tank body, wherein a sealing mechanism and a configuration mechanism are arranged on the tank body;

[0007] The sealing mechanism includes a sealing group 1 fixedly sleeved on the outer wall of a pipe 1, the back of the sealing group 1 contacts the tank body, the interior of the pipe 1 is fixedly connected with a sealing block 1, the interior of the pipe 1 is fixedly connected with a support frame 1, the front of the support frame 1 is fixedly connected with a damper 1, and the front of the damper 1 is fixedly connected with a sealing block 1.

[0008] Furthermore, the sealing block 1 is adapted to the sealing stopper 1, a spring 1 is wound on the outer wall of the damper 1, one end of the spring 1 is fixedly connected to the support frame 1, and the other end of the spring 1 is fixedly connected to the sealing block 1.

[0009] Furthermore, a pipe 2 is fixedly connected to the outer wall of the tank body, the pipe 2 is communicated with the tank body, a sealing group 2 is fixedly sleeved on the outer wall of the pipe 2, the back of the sealing group 2 is in contact with the tank body, and a sealing block 2 is fixedly connected to the inside of the pipe 2.

[0010] Furthermore, a support frame 2 is fixedly connected to the interior of the second pipe, a damper 2 is fixedly connected to the front of the second support frame, a sealing block is fixedly connected to the front of the second damper, the sealing block is adapted to the sealing block 2, and a spring 2 is wound on the outer wall of the second damper.

[0011] Furthermore, one end of the second spring is fixedly connected to the second support frame, the other end of the second spring is fixedly connected to the sealing block, the front of the sealing block is fixedly connected to a round rod one, two slide grooves are provided on the outer wall of the second pipe, a slide rod is provided on the front of the round rod one, the left end and the right end of the slide rod both extend outside the two slide grooves and are slidably connected to the two slide grooves.

[0012] Furthermore, the configuration mechanism includes two hoops fixedly sleeved on the outer wall of the tank body, the two hoops are fixedly connected to a fixed block, two round rods 2 are vertically arranged on the back of the two fixed blocks, the two round rods 2 are fixedly connected to the two fixed blocks, a slider is slidably sleeved on the outer wall of the two round rods 2, and a spring 3 is wound around the upper end of the outer wall of the two round rods 2.

[0013] Furthermore, one end of the spring three is fixedly connected to the fixed block, and the other end of the spring three is fixedly connected to the slider. A spring four is wound around the lower ends of the outer walls of the two round rods two, and one end of the spring four is fixedly connected to the fixed block, and the other end of the spring four is fixedly connected to the slider.

[0014] Furthermore, a slide block is fixedly connected to the back of the slider, a motor is fixedly connected to the top of the slide block, a bidirectional threaded rod is fixedly connected to the output shaft of the motor, the bottom end of the bidirectional threaded rod extends into the slide block and is threadedly connected to the slide block, and two clamping blocks are threadedly connected to the outer wall of the bidirectional threaded rod.

[0015] The utility model has the following beneficial effects:

[0016] (1) The utility model sets a sealing mechanism. During use, high-pressure nitrogen is first filled into the pipe 1. Under the action of the high-pressure nitrogen, the sealing block 1 moves backward and compresses the spring 1 on the damper 1, causing the sealing block 1 to be separated from the sealing stopper 1 in the pipe 1. In this way, the nitrogen can flow into the tank body from the separated gap to complete the filling process. When the filling is completed, due to the lack of high-pressure resistance, the sealing block 1 will be completely sealed with the sealing stopper 1 under the push of the spring 1 to ensure that the gas will not leak. The sealing stopper 1 and the sealing block, as well as the spring 1 and the spring 2 cooperate with each other to solve the gas leakage problem, thereby effectively preventing human harm and safety hazards in production caused by gas leakage.

[0017] (2) The utility model is provided with a configuration mechanism. When the device is vibrated during use, the tank body will transmit the vibration to the two round rods 2, and the two round rods 2 will drive the sliders thereon to move up and down, thereby compressing the springs 3 and 4 to release the vibration force and ensure the stability of the device; when the device needs to be fixed, the motor can be started, and the operation of the motor will drive the two-way threaded rod to rotate, and when the two-way threaded rod rotates, the two clamping blocks will approach each other to clamp them to a fixed position, thereby ensuring that the device is firmly fixed.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the internal structure of the integral sealing mechanism of the utility model;

[0022] Figure 3 The overall structural diagram of the overall sealing mechanism of the utility model is as follows

[0023] Figure 4 For this utility model Figure 2 A is a partial enlarged schematic diagram;

[0024] Figure 5 For this utility model Figure 2 A partial enlarged schematic diagram of B in the middle;

[0025] Figure 6For this utility model Figure 3 A partial enlarged schematic diagram of C in the middle.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Tank body; 2. Pipeline 1; 3. Sealing group 1; 4. Sealing block 1; 5. Support frame 1; 6. Damper 1; 7. Sealing block 1; 8. Spring 1; 9. Pipeline 2; 10. Sealing group 2; 11. Sealing block 2; 12. Support frame 2; 13. Damper 2; 14. Sealing block; 15. Spring 2; 16. Round rod 1; 17. Slide; 18. Slide rod; 19. Pressure gauge; 20. Hoop; 21. Fixed block; 22. Round rod 2; 23. Slider; 24. Spring 3; 25. Spring 4; 26. Slide block; 27. Motor; 28. Bidirectional threaded rod; 29. ​​Clamping block. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-5 As shown, the utility model is a shaft end sealing device for a high-pressure nitrogen blower, comprising a tank body 1 and a pipe 2 fixedly connected to the outer wall of the tank body 1, and a sealing mechanism and a configuration mechanism are provided on the tank body 1;

[0030] The sealing mechanism includes a sealing group 3 fixedly sleeved on the outer wall of a pipe 2, the back of the sealing group 3 contacts the tank body 1, the interior of the pipe 2 is fixedly connected with a sealing block 4, the interior of the pipe 2 is fixedly connected with a support frame 5, the front of the support frame 5 is fixedly connected with a damper 6, and the front of the damper 6 is fixedly connected with a sealing block 7.

[0031] Among them Figure 4 As shown, the sealing block 7 is matched with the sealing stopper 4, and a spring 8 is wound on the outer wall of the damper 6, one end of the spring 8 is fixedly connected to the support frame 5, and the other end of the spring 8 is fixedly connected to the sealing block 7.

[0032] The compression of the sealing block 7 and the separation of the sealing block 4 by the spring 8 is beneficial to the separation of the sealing block 7 and the sealing block 4, which may help to release pressure or adjust the position of the seal in specific circumstances to meet specific operating needs or maintenance requirements.

[0033] Among them Figure 5 As shown, a pipe 29 is fixedly connected to the outer wall of the tank body 1, and the pipe 29 is communicated with the tank body 1. A sealing group 210 is fixedly sleeved on the outer wall of the pipe 210, and the back of the sealing group 210 is in contact with the tank body 1. A sealing block 211 is fixedly connected to the inside of the pipe 219.

[0034] The sealing of the pipeline 2 9 by the sealing group 2 10 is helpful to prevent the leakage of liquid or gas in the pipeline 2 9, thereby ensuring the sealing performance and safe operation of the system.

[0035] Among them Figure 5 As shown, a support frame 2 12 is fixedly connected to the interior of the pipe 2 9, a damper 2 13 is fixedly connected to the front of the support frame 2 12, a sealing block 14 is fixedly connected to the front of the damper 2 13, the sealing block 14 is adapted to the sealing stopper 2 11, and a spring 2 15 is wound around the outer wall of the damper 2 13.

[0036] The sealing block 14 is compressed and separated from the sealing stopper 11 by the spring 15, which is beneficial to achieve the sealing effect of the sealing block 14 on specific components or equipment, ensuring the normal operation of the system or device and preventing leakage.

[0037] Among them Figure 5 As shown, one end of the spring 15 is fixedly connected to the support frame 12, and the other end of the spring 15 is fixedly connected to the sealing block 14. The front of the sealing block 14 is fixedly connected with a round rod 16. Two slide grooves 17 are provided on the outer wall of the pipe 9. A slide rod 18 is provided on the front of the round rod 16. The left and right ends of the slide rod 18 extend outside the two slide grooves 17 and are slidably connected to the two slide grooves 17.

[0038] By pulling the slide bar 18 inward, the slide bar 18 drives the round rod 16 to move the sealing block 14 inward and compress the spring 2 15, which is conducive to achieving the sealing effect of the sealing block 14 on specific components or equipment, ensuring the normal operation of the system or device and preventing leakage.

[0039] Among them Figure 1 As shown, the configuration mechanism includes two hoops 20 fixedly sleeved on the outer wall of the tank body 1, and the two hoops 20 are fixedly connected with a fixing block 21, and two round rods 22 are vertically arranged on the back of the two fixing blocks 21. The two round rods 22 are fixedly connected to the two fixing blocks 21, and a slider 23 is slidably sleeved on the outer wall of the two round rods 22, and a spring 3 24 is wound around the upper end of the outer wall of the two round rods 22.

[0040] The compression of the spring three 24 by the slider 23 is helpful to adjust the compression degree of the spring three 24 to change or adjust the working performance or movement characteristics of the corresponding mechanical device.

[0041] Among them Figure 6As shown, one end of spring three 24 is fixedly connected to the fixed block 21, and the other end of spring three 24 is fixedly connected to the slider 23. A spring four 25 is wound around the lower ends of the outer walls of the two round rods two 22, and one end of spring four 25 is fixedly connected to the fixed block 21, and the other end of spring four 25 is fixedly connected to the slider 23.

[0042] The compression of the spring four 25 by the slider 23 is helpful to adjust the compression degree of the spring four 25, so as to change or adjust the working performance or movement characteristics of the corresponding mechanical device.

[0043] Among them Figure 2 As shown, a slide block 26 is fixedly connected to the back of the slider 23, a motor 27 is fixedly connected to the top of the slide block 26, a bidirectional threaded rod 28 is fixedly connected to the output shaft of the motor 27, the bottom end of the bidirectional threaded rod 28 extends into the slide block 26 and is threadedly connected to the slide block 26, and two clamping blocks 29 are threadedly connected to the outer wall of the bidirectional threaded rod 28.

[0044] The motor 27 drives the bidirectional threaded rod 28 to rotate, and the bidirectional threaded rod 28 drives the two clamping blocks 29 to approach each other to clamp a fixed position, which is conducive to stably clamping an object or workpiece to ensure that it remains stable at a specific position or angle.

[0045] A specific application of this embodiment is as follows: during use, first, high-pressure nitrogen is filled into the pipe 2. Under the action of the high-pressure nitrogen, the sealing block 7 will move backward and compress the spring 8 on the damper 6, causing the sealing block 7 to be separated from the sealing block 4 in the pipe 2. In this way, the nitrogen can flow into the tank body 1 from the separated gap to complete the filling process. When the filling is completed, due to the lack of high-pressure resistance, the sealing block 7 will be completely sealed with the sealing block 4 under the push of the spring 8 to ensure that the gas will not leak. When it is necessary to discharge the gas in the tank body 1, the sliding rod 18 can be pulled inward so that the sliding rod 18 cooperates with the round rod 16 to drive the sealing block 14 to compress the spring 2 15 backward, so that the sealing block 14 can be separated from the sealing block 2 11, and the gas can be discharged from The gas will flow out of the disengaged gap to the outside of the tank body 1, and the gas leakage problem is solved by the cooperation between the sealing block 14 and the sealing block 14, as well as the spring 18 and the spring 2 15, thereby effectively preventing the harm to the human body and the potential safety hazard in production caused by gas leakage; when the device is vibrated during use, the tank body 1 will transmit the vibration to the two round rods 22, and the two round rods 22 will drive the sliders 23 thereon to move up and down, thereby compressing the springs 3 24 and the springs 4 25 to release the vibration force and ensure the stability of the device; when the device needs to be fixed, the motor 27 can be started, and the operation of the motor 27 will drive the bidirectional threaded rod 28 to rotate, and the bidirectional threaded rod 28 will make the two clamping blocks 29 approach each other when rotating, so as to clamp them to a fixed position to ensure that the device is firmly fixed.

[0046] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A shaft end sealing device for a high-pressure nitrogen blower, comprising a tank body (1) and a pipe (2) fixedly connected to the outer wall of the tank body (1), characterized in that: The tank body (1) is provided with a sealing mechanism and a configuration mechanism; The sealing mechanism comprises a sealing group (3) fixedly sleeved on the outer wall of a pipe (2), the back side of the sealing group (3) contacts the tank body (1), the interior of the pipe (2) is fixedly connected with a sealing block (4), the interior of the pipe (2) is fixedly connected with a support frame (5), the front side of the support frame (5) is fixedly connected with a damper (6), and the front side of the damper (6) is fixedly connected with a sealing block (7).

2. A shaft end sealing device for a high pressure nitrogen blower according to claim 1, characterized in that: The sealing block 1 (7) is matched with the sealing stopper 1 (4); a spring 1 (8) is wound on the outer wall of the damper 1 (6); one end of the spring 1 (8) is fixedly connected to the support frame 1 (5); and the other end of the spring 1 (8) is fixedly connected to the sealing block 1 (7).

3. A shaft end sealing device for a high pressure nitrogen blower according to claim 2, characterized in that: A second pipe (9) is fixedly connected to the outer wall of the tank body (1), the second pipe (9) is in communication with the tank body (1), a second sealing group (10) is fixedly sleeved on the outer wall of the second pipe (9), the back side of the second sealing group (10) is in contact with the tank body (1), and a second sealing block (11) is fixedly connected to the inside of the second pipe (9).

4. A shaft end sealing device for a high pressure nitrogen blower according to claim 3, characterized in that: The interior of the second pipe (9) is fixedly connected to a second support frame (12), the front of the second support frame (12) is fixedly connected to a second damper (13), the front of the second damper (13) is fixedly connected to a sealing block (14), the sealing block (14) is matched with the second sealing block (11), and the outer wall of the second damper (13) is wound with a second spring (15).

5. A shaft end sealing device for a high pressure nitrogen blower according to claim 4, characterized in that: One end of the second spring (15) is fixedly connected to the second support frame (12), and the other end of the second spring (15) is fixedly connected to the sealing block (14). The front of the sealing block (14) is fixedly connected to a round rod (16). Two sliding grooves (17) are provided on the outer wall of the second pipe (9). A sliding rod (18) is provided on the front of the round rod (16). The left end and the right end of the sliding rod (18) both extend outside the two sliding grooves (17) and are both slidably connected to the two sliding grooves (17).

6. A shaft end sealing device for a high pressure nitrogen blower according to claim 5, characterized in that: The configuration mechanism comprises two hoops (20) fixedly sleeved on the outer wall of the tank body (1), the two hoops (20) are fixedly connected with a fixing block (21), two round rods (22) are vertically arranged on the back of the two fixing blocks (21), the two round rods (22) are fixedly connected to the two fixing blocks (21), a sliding block (23) is slidably sleeved on the outer wall of the two round rods (22), and a spring (24) is wound around the upper end of the outer wall of the two round rods (22).

7. A shaft end sealing device for a high pressure nitrogen blower according to claim 6, characterized in that: One end of the spring three (24) is fixedly connected to the fixed block (21), and the other end of the spring three (24) is fixedly connected to the slider (23); a spring four (25) is wound around the lower ends of the outer walls of the two round rods two (22), and one end of the spring four (25) is fixedly connected to the fixed block (21), and the other end of the spring four (25) is fixedly connected to the slider (23).

8. The shaft end sealing device for a high pressure nitrogen blower according to claim 7, characterized in that: The back of the slider (23) is fixedly connected to a slide block (26), the top of the slide block (26) is fixedly connected to a motor (27), the output shaft of the motor (27) is fixedly connected to a bidirectional threaded rod (28), the bottom end of the bidirectional threaded rod (28) extends into the slide block (26) and is threadedly connected to the slide block (26), and two clamping blocks (29) are threadedly connected to the outer wall of the bidirectional threaded rod (28).

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