CN115569611A - Series ammonia converter with pressure autonomous regulation function - Google Patents

Abstract

The invention discloses a serial ammonia synthesis tower with a pressure autonomous regulation function, which comprises an ammonia synthesis tower body, wherein the outer wall of a feeding pipe is fixedly connected with a fixed block, and a first groove is formed in the fixed block. In the invention, because the interior of the serial ammonia synthesis tower continuously reacts with gas, when the thermocouple and the electric heater are used for a period of time, the thermocouple and the electric heater are gradually lost, so that the heating efficiency in the serial ammonia synthesis tower is reduced, and further the reaction efficiency in the serial ammonia synthesis tower is reduced.

Description

Series-type ammonia converter with pressure autonomous regulation function

Technical Field

The invention relates to the technical field of ammonia synthesis towers, in particular to a series-connection ammonia synthesis tower with a pressure autonomous regulation function.

Background

An ammonia converter is a device for catalytically reacting nitrogen and hydrogen at high pressure and high temperature to synthesize ammonia. The ammonia converter is the heart of the ammonia plant and is a reactor with a complex structure. An ammonia converter is a device used to catalytically react nitrogen and hydrogen at high pressure and temperature to produce ammonia. The ammonia converter is the heart of the ammonia synthesis plant and is a reactor with a complex structure. The present industrial ammonia synthesis is carried out under the pressure of 15.2-30.4 MPa and the temperature of 400-520 ℃, and in order to prevent the corrosion of hydrogen to steel under high pressure and high temperature, the ammonia synthesis tower consists of a high pressure resistant end enclosure, an outer cylinder and a high temperature resistant inner part arranged on the cylinder.

When the serial ammonia converter is used, a thermocouple and an electric heater in the ammonia converter are required to be electrified, so that the heating reaction can be carried out in the ammonia converter, and the required thermocouple and the electric heater are connected in series for electrification in the serial ammonia converter.

At present, when a series ammonia synthesis tower on the market is used, required gas needs to be introduced into the series ammonia synthesis tower, and then the inside of the series ammonia synthesis tower is heated and pressurized, so that the gas in the series ammonia synthesis tower can react.

Disclosure of Invention

The present invention is directed to a series ammonia converter with pressure independent control function, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a serial ammonia converter with pressure self-regulation function comprises an ammonia converter body;

the feeding pipe is fixedly connected to one side of the outer wall of the ammonia synthesis tower body;

the discharge pipe is fixedly connected to the bottom end of the ammonia synthesis tower body, and the ammonia synthesis tower body is communicated with the discharge pipe;

a thermocouple fixedly connected to the inside of the ammonia converter body;

the utility model discloses a feed pipe, including feed pipe, driving shaft, connecting rod, first recess, first connecting plate, second connecting plate and inlet pipe sliding connection, feed pipe outer wall fixedly connected with fixed block, first recess has been seted up to fixed block inside, the inside fixedly connected with motor of first recess, motor output shaft one end fixedly connected with driving shaft, the driving shaft outer wall rotates and is connected with first backup pad, first backup pad outer wall and the inside fixed connection of first recess, the first commentaries on classics board of driving shaft one end fixedly connected with, first connecting plate outer wall fixedly connected with connecting rod, the connecting rod outer wall rotates and is connected with first connecting plate, first connecting plate outer wall articulates there is the second connecting plate, the second recess has been seted up to the feed pipe inside, second connecting plate and inlet pipe sliding connection, the inside fixedly connected with baffle of second recess, the ventilation hole has been seted up to the baffle outer wall, the baffle outer wall rotates and is connected with the bull stick, bull stick outer wall fixedly connected with gear, second connecting plate one end fixedly connected with rack, the rack is connected with gear engagement.

Further, the first movable rod of bull stick outer wall fixedly connected with, first movable rod one end articulates there is the second movable rod, the second movable rod is kept away from that first movable rod one end articulates there is the baffler, and the joining of second movable rod makes first movable rod can drive the baffler motion.

Further, the baffle outer wall articulates there is the movable block, the activity groove has been seted up to the movable block outer wall, separation plate and activity groove sliding connection, the joining of separation plate makes the second movable rod can drive the movable block motion.

Furthermore, the connecting rod is kept away from first rotor one end and is rotated and be connected with the second and change the board, the second changes board outer wall fixedly connected with driven shaft, the driven shaft outer wall rotates and is connected with the second backup pad, the inside fixed connection of second backup pad outer wall and first recess, the joining of second backup pad makes the trajectory of motion of driven shaft obtain the restriction.

Further, driven shaft one end fixedly connected with third commentaries on classics board, the inside fly leaf that is equipped with of first recess, the bar groove has been seted up to the fly leaf outer wall, bar inslot portion sliding connection has the connecting block, connecting block outer wall and third commentaries on classics board outer wall fixed connection, the joining in bar groove makes the connecting block can drive the fly leaf motion.

Furthermore, fly leaf outer wall fixedly connected with movable plate, movable plate one end runs through inside the second recess, movable plate and inlet pipe sliding connection, the first magnet of movable plate outer wall fixedly connected with, the joining of first magnet makes the movable plate can drive the motion of second magnet.

Furthermore, the inside fixedly connected with stabilizing block of second recess, the third recess has been seted up to stabilizing block inside, the inside carriage release lever that is equipped with of third recess, carriage release lever one end runs through in stabilizing block outer wall, carriage release lever and stabilizing block sliding connection, carriage release lever one end fixedly connected with second magnet, first magnet repels with second magnet mutually, and the joining of second magnet makes the carriage release lever can be in the inside sliding motion of third recess.

Further, the inside extrusion piece that is equipped with of third recess, extrusion piece outer wall and carriage release lever one end fixed connection, be equipped with the spring between extrusion piece outer wall and the third recess, first spout has been seted up to the extrusion piece outer wall, the inside sliding connection of first spout has first slider, first slider outer wall articulates there is the block board, block board one end runs through in the stabilization block outer wall, block board and stabilization block sliding connection, the joining of first slider makes the extrusion piece can drive the block board motion.

Furthermore, a second sliding groove is formed in the first sliding groove, a second sliding block is connected in the second sliding groove in a sliding mode, the outer wall of the second sliding block is fixedly connected with the first sliding block, and the motion trail of the first sliding block is limited due to the addition of the first sliding groove.

Furthermore, the cross sectional shape of second recess sets up to square, the quantity in ventilation hole sets up to a plurality of, and is a plurality of the ventilation hole is circumference array distribution in baffle outer wall, and the addition in ventilation hole makes inside the second recess gas can enter into serial-type ammonia converter body.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention relates to a tandem type ammonia synthesis tower with a pressure autonomous regulation function, which can adjust the air inflow of gas entering the interior of a tandem type ammonia synthesis tower body adaptively, wherein one end of a driving shaft is provided with a first rotating plate, one side of the outer wall of the first rotating plate is provided with a connecting rod, one end of the connecting rod is provided with a second rotating plate, the outer wall of the connecting rod is provided with a first connecting plate, the outer wall of the first connecting plate is provided with a second connecting plate, the outer wall of the second connecting plate is provided with a rack, the outer wall of a baffle is provided with a rotating rod, the outer wall of the rotating rod is provided with a gear, the outer wall of the rotating rod is provided with a first movable plate, the outer wall of the first movable plate is provided with a second movable plate, and the outer wall of the second movable plate is provided with a baffle plate, so that the air inflow and outflow of a vent can be changed.

2. The invention relates to a tandem type ammonia synthesis tower with a pressure autonomous regulation function, which can stop gas in a feeding pipe, wherein a second rotating plate is arranged in a first groove, a driven shaft is arranged on the outer wall of the second rotating plate, a third rotating plate is arranged at one end of the driven shaft, a connecting block is arranged on the outer wall of the third rotating plate, a strip-shaped groove is arranged on the outer wall of a movable plate, a movable plate is arranged on the outer wall of the movable plate, a first magnet is arranged on the outer wall of the movable plate, a second magnet is arranged at one end of a movable rod, a squeezing block is arranged in a third groove, a first sliding groove is arranged on the outer wall of the squeezing block, a second sliding groove is arranged in the first sliding groove, and a clamping plate is arranged on the outer wall of a first sliding block, so that the clamping plate can move towards the inside of the third groove.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional view of a first groove of the present invention;

FIG. 3 is a side view of the baffle of the present invention;

FIG. 4 is a side cross-sectional view of the movable block of the present invention;

FIG. 5 is a side view of the movable plate of the present invention;

FIG. 6 is a front cross-sectional view of a stabilization block of the present invention;

fig. 7 is a side view of the rack of the present invention.

In the figure: 1. an ammonia converter body; 2. a feed pipe; 3. a discharge pipe; 4. a thermocouple; 5. a fixed block; 6. a first groove; 7. a motor; 8. a drive shaft; 9. a first support plate; 10. a first rotating plate; 11. a connecting rod; 12. a first connecting plate; 13. a second connecting plate; 14. a second groove; 15. a baffle plate; 16. a vent hole; 17. a rotating rod; 18. a gear; 19. a rack; 20. a first movable bar; 21. a second movable bar; 22. a barrier plate; 23. a movable block; 24. a movable groove; 25. a second rotating plate; 26. a driven shaft; 27. a second support plate; 28. a third rotating plate; 29. a movable plate; 30. a strip-shaped groove; 31. connecting blocks; 32. moving the plate; 33. a first magnet; 34. a stabilizing block; 35. a third groove; 36. a travel bar; 37. a second magnet; 38. extruding the block; 39. a spring; 40. a first chute; 41. a first slider; 42. a clamping plate; 43. a second chute; 44. and a second slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution:

a serial ammonia converter with pressure self-regulation function comprises an ammonia converter body 1;

the feeding pipe 2 is fixedly connected to one side of the outer wall of the ammonia synthesis tower body 1;

the discharge pipe 3 is fixedly connected to the bottom end of the ammonia synthesis tower body 1, and the ammonia synthesis tower body 1 is communicated with the discharge pipe 3;

a thermocouple 4 fixedly connected to the inside of the ammonia converter body 1;

2 outer wall fixedly connected with fixed block 5 of inlet pipe, first recess 6 has been seted up inside fixed block 5, the inside fixedly connected with motor 7 of first recess 6, motor 7 output shaft one end fixedly connected with driving shaft 8, 8 outer walls of driving shaft rotate and are connected with first backup pad 9, 9 outer walls of first backup pad and the inside fixed connection of first recess 6, the first pivot 10 of 8 one end fixedly connected with, 10 outer wall fixedly connected with connecting rod 11 of first pivot, 11 outer walls of connecting rod rotate and are connected with first connecting plate 12, 12 outer walls of first connecting plate articulate there is second connecting plate 13, 2 inside second recess 14 has been seted up to inlet pipe, 13 one end of second connecting plate runs through inside second recess 14, second connecting plate 13 and 2 sliding connection of inlet pipe, the inside fixedly connected with baffle 15 of second recess 14, ventilation hole 16 has been seted up to 15 outer walls of baffle, 15 outer walls of baffle rotate and are connected with bull stick 17, 17 outer wall fixedly connected with gear 18 of bull stick, 13 one end fixedly connected with rack 19 of second connecting plate, rack 19 is connected with gear 18 meshing.

In a preferred embodiment, a first movable rod 20 is fixedly connected to the outer wall of the rotating rod 17, one end of the first movable rod 20 is hinged to a second movable rod 21, one end of the second movable rod 21, which is far away from the first movable rod 20, is hinged to a blocking plate 22, and when the second movable rod 21 moves, the second movable rod 21 drives the blocking plate 22 to move.

In a preferred embodiment, the outer wall of the baffle 15 is hinged with a movable block 23, the outer wall of the movable block 23 is provided with a movable groove 24, the blocking plate 22 is slidably connected with the movable groove 24, and when the blocking plate 22 moves, the blocking plate 22 drives the movable block 23 to move.

In a preferred embodiment, the cross-sectional shape of the second groove 14 is set to be square, the number of the ventilation holes 16 is set to be plural, and the plurality of ventilation holes 16 are distributed on the outer wall of the baffle plate 15 in a circumferential array, so that the ventilation amount of the ventilation holes 16 can be changed when the barrier plate 22 moves.

The working principle of the invention is as follows: when the device is used and the amount of gas input needs to be changed, the motor 7 is started, the output shaft of the motor 7 drives the driving shaft 8 to move, so that the driving shaft 8 rotates and moves in the first groove 6, the driving shaft 8 simultaneously rotates and moves with the first support plate 9, the driving shaft 8 simultaneously drives the first rotating plate 10 to move, so that the first rotating plate 10 moves circumferentially in the first groove 6, the first rotating plate 10 simultaneously drives the connecting rod 11 to move, so that the connecting rod 11 moves circumferentially in the first groove 6, the connecting rod 11 simultaneously drives the second rotating plate 25 to move, so that the second rotating plate 25 moves circumferentially in the first groove 6, the connecting rod 11 simultaneously drives the first connecting plate 12 to move, so that the first connecting plate 12 moves in the first groove 6 in a swinging manner, the first connecting plate 12 drives the second connecting plate 13 to move, so that the second connecting plate 13 moves in the first groove 6 in a sliding manner, the second connecting plate 13 simultaneously slides in the second groove 14, the second connecting plate 13 simultaneously drives the rack 19 to move, so that the rack 19 moves in the second groove 14 in a sliding manner, so that the rack 19 moves with the gear 18 and the gear 18, so that the rack 18 moves simultaneously drives the gear 18, so that the second rotating bar 14 moves in the second groove 14, so that the second groove 14 simultaneously drives the second rotating bar 21 moves, so that the second rotating bar 17 moves in the second groove 17, so that the second rotating bar 17 moves, the second rotating bar 17, the moving bar 17 moves in the rotating bar 21 and the rotating bar 17, the moving bar 21 moves in the moving bar 17, the second groove 17, the rotating bar 21 moves simultaneously, the rotating bar 21 moves in the rotating groove 17, the baffle plate 22 can swing inside the second groove 14 simultaneously, cause the baffle plate 22 to drive the movable block 23 to move, cause the movable block 23 to rotate within the second groove 14 by a small amount, when the baffle plate 22 moves inside the second groove 14, the baffle plate 22 can be far away from or close to the vent 16, when the baffle plate 22 is close to the vent 16, the air volume passing through the vent 16 is reduced, when the baffle plate 22 is far away from the vent 16, the air volume passing through the vent 16 is increased, cause the baffle plate 22 to change the size of the vent 16, and when the baffle plate 22 reaches a proper position, the motor 7 is stopped.

Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a serial-type ammonia converter with pressure is regulation and control function independently, connecting rod 11 keep away from first rotor 10 one end and rotate and be connected with second rotor 25, and second rotor 25 outer wall fixedly connected with driven shaft 26, and the outer wall of driven shaft 26 rotates and is connected with second backup pad 27, and second backup pad 27 outer wall and the inside fixed connection of first recess 6, when the second rotor 25 moves, second rotor 25 can drive the motion of driven shaft 26.

In a preferred embodiment, a third rotating plate 28 is fixedly connected to one end of the driven shaft 26, a movable plate 29 is disposed inside the first groove 6, a strip-shaped groove 30 is formed in an outer wall of the movable plate 29, a connecting block 31 is slidably connected inside the strip-shaped groove 30, an outer wall of the connecting block 31 is fixedly connected to an outer wall of the third rotating plate 28, and when the movable plate 29 moves, the movable plate 29 slides inside the first groove 6.

In a preferred embodiment, a moving plate 32 is fixedly connected to an outer wall of the moving plate 29, one end of the moving plate 32 penetrates through the second groove 14, the moving plate 32 is slidably connected to the feeding tube 2, and a first magnet 33 is fixedly connected to an outer wall of the moving plate 32, so that when the moving plate 32 moves, the moving plate 32 can drive the first magnet 33 to move.

In a preferred embodiment, a stabilizing block 34 is fixedly connected inside the second groove 14, a third groove 35 is formed inside the stabilizing block 34, a moving rod 36 is arranged inside the third groove 35, one end of the moving rod 36 penetrates through the outer wall of the stabilizing block 34, the moving rod 36 is slidably connected with the stabilizing block 34, a second magnet 37 is fixedly connected at one end of the moving rod 36, the first magnet 33 is repelled by the second magnet 37, and when the moving rod 36 moves, the moving rod 36 can slidably move with the stabilizing block 34.

In a preferred embodiment, an extruding block 38 is disposed inside the third groove 35, an outer wall of the extruding block 38 is fixedly connected to one end of the moving rod 36, a spring 39 is disposed between an outer wall of the extruding block 38 and the third groove 35, a first sliding groove 40 is formed in an outer wall of the extruding block 38, a first sliding block 41 is slidably connected inside the first sliding groove 40, an outer wall of the first sliding block 41 is hinged to a clamping plate 42, one end of the clamping plate 42 penetrates through an outer wall of the stabilizing block 34, the clamping plate 42 is slidably connected with the stabilizing block 34, and when the first sliding block 41 moves, the first sliding block 41 can drive the clamping plate 42 to move.

In a preferred embodiment, a second sliding groove 43 is formed in the first sliding groove 40, a second sliding block 44 is slidably connected in the second sliding groove 43, an outer wall of the second sliding block 44 is fixedly connected with the first sliding block 41, and when the first sliding block 41 moves, the first sliding block 41 drives the second sliding block 44 to move.

The working principle of the invention is as follows: when the second rotating plate 25 moves, the second rotating plate 25 drives the driven shaft 26 to move, so that the driven shaft 26 can rotate and move inside the first groove 6, the driven shaft 26 simultaneously rotates and moves with the second supporting plate 27, the driven shaft 26 simultaneously drives the third rotating plate 28 to move, so that the third rotating plate 28 circularly moves inside the first groove 6, the third rotating plate 28 simultaneously drives the connecting block 31 to move, so that the connecting block 31 circularly moves inside the first groove 6, the connecting block 31 simultaneously moves inside the strip-shaped groove 30, so that the third rotating plate 28 can drive the movable plate 29 to move through the connecting block 31, so that the movable plate 29 can slidably move inside the first groove 6, the movable plate 29 simultaneously drives the movable plate 32 to move, so that the movable plate 32 slidably moves inside the first groove 6, the movable plate 32 simultaneously slidably moves inside the second groove 14, and the movable plate 32 simultaneously drives the first magnet 33 to move, the first magnet 33 is made to slide in the second groove 14, so that the first magnet 33 is far away from the second magnet 37, the second magnet 37 gradually loses the repulsive force of the first magnet 33, and the spring 39 loses the external extrusion force, so that the spring 39 can return to the initial position, the spring 39 gradually folds, so that the spring 39 drives the extrusion block 38 to move, so that the extrusion block 38 slides in the third groove 35, the cross section of the extrusion block 38 is shaped as an isosceles trapezoid, so that the extrusion block 38 can drive the first slide block 41 to move, so that the first slide block 41 slides in the first sliding groove 40, the first slide block 41 drives the second slide block 44 to move, so that the second slide block 44 slides in the second sliding groove 43, the extrusion block 38 drives the moving rod 36 to move simultaneously, so that the moving rod 36 slides in the third groove 35, and the moving rod 36 simultaneously slides in the second groove 14, the moving rod 36 simultaneously drives the second magnet 37 to move, so that the second magnet 37 returns to the initial position, the first slider 41 simultaneously drives the engaging plate 42 to move, so that the engaging plate 42 slides in the third groove 35, the engaging plate 42 simultaneously slides in the stabilizing block 34, and the engaging plate 42 slides in the second groove 14, so that the engaging plate 42 slides in the third groove 35, and the gas in the second groove 14 can enter the interior of the serial ammonia synthesis tower body 1 through the vent hole.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A serial ammonia converter with pressure self-regulation function comprises an ammonia converter body (1);

the feeding pipe (2) is fixedly connected to one side of the outer wall of the ammonia synthesis tower body (1);

the discharge pipe (3) is fixedly connected to the bottom end of the ammonia synthesis tower body (1), and the ammonia synthesis tower body (1) is communicated with the discharge pipe (3);

a thermocouple (4) fixedly connected to the inside of the ammonia converter body (1);

the method is characterized in that:

the improved gear transmission mechanism is characterized in that a fixing block (5) is fixedly connected to the outer wall of the inlet pipe (2), a first groove (6) is formed in the fixing block (5), a motor (7) is fixedly connected to the inner portion of the first groove (6), one end of an output shaft of the motor (7) is fixedly connected with a driving shaft (8), the outer wall of the driving shaft (8) is rotatably connected with a first supporting plate (9), the outer wall of the first supporting plate (9) is fixedly connected with the inner portion of the first groove (6), a first rotating plate (10) is fixedly connected with one end of the driving shaft (8), a connecting rod (11) is fixedly connected with the outer wall of the first rotating plate (10), a first connecting plate (12) is rotatably connected with the outer wall of the connecting rod (11), a second connecting plate (13) is hinged to the outer wall of the first connecting plate (12), a second groove (14) is formed in the inner portion of the inlet pipe (2), one end of the second connecting plate (13) penetrates through the inner portion of the second groove (14), the second connecting plate (13) is slidably connected with the inlet pipe (2), a gear (17) is slidably connected with the outer wall of the rotating rod (17), a baffle (16) is formed in the outer wall of the second groove (14), one end of the second connecting plate (13) is fixedly connected with a rack (19), and the rack (19) is meshed with the gear (18).

2. The tandem ammonia synthesis tower with pressure autonomous regulation function according to claim 1, characterized in that: the utility model discloses a stopper, including bull stick (17), bull stick (17) outer wall fixedly connected with first movable rod (20), first movable rod (20) one end articulates there is second movable rod (21), second movable rod (21) are kept away from first movable rod (20) one end and are articulated to have baffler (22).

3. The tandem ammonia synthesis tower with pressure autonomous regulation function according to claim 2, characterized in that: the outer wall of the baffle (15) is hinged with a movable block (23), the outer wall of the movable block (23) is provided with a movable groove (24), and the barrier plate (22) is connected with the movable groove (24) in a sliding manner.

4. The tandem ammonia synthesis tower with pressure autonomous regulation function according to claim 1, characterized in that: connecting rod (11) are kept away from first commentaries on classics board (10) one end and are rotated and be connected with second commentaries on classics board (25), second commentaries on classics board (25) outer wall fixedly connected with driven shaft (26), driven shaft (26) outer wall rotates and is connected with second backup pad (27), second backup pad (27) outer wall and first recess (6) inside fixed connection.

5. The series ammonia converter with pressure autonomous regulation function according to claim 4, characterized in that: driven shaft (26) one end fixedly connected with third commentaries on classics board (28), first recess (6) inside is equipped with fly leaf (29), bar groove (30) have been seted up to fly leaf (29) outer wall, the inside sliding connection in bar groove (30) has connecting block (31), connecting block (31) outer wall and third commentaries on classics board (28) outer wall fixed connection.

6. The series ammonia converter with pressure autonomous regulation function according to claim 5, characterized in that: fly leaf (29) outer wall fixedly connected with movable plate (32), inside movable plate (32) one end runs through in second recess (14), movable plate (32) and inlet pipe (2) sliding connection, first magnet (33) of movable plate (32) outer wall fixedly connected with.

7. The series ammonia converter with pressure autonomous regulation function according to claim 6, characterized in that: the utility model discloses a stable piece of stabilizing block, including second recess (14), third recess (35) have been seted up to inside fixedly connected with of second recess (14), third recess (35) inside is equipped with carriage release lever (36), carriage release lever (36) one end is run through in stabilizing block (34) outer wall, carriage release lever (36) and stabilizing block (34) sliding connection, carriage release lever (36) one end fixedly connected with second magnet (37), first magnet (33) repel each other with second magnet (37).

8. The tandem ammonia synthesis tower with pressure autonomous regulation function of claim 7, characterized in that: the inside extrusion piece (38) that is equipped with of third recess (35), extrusion piece (38) outer wall and carriage release lever (36) one end fixed connection, be equipped with spring (39) between extrusion piece (38) outer wall and third recess (35), first spout (40) have been seted up to extrusion piece (38) outer wall, first spout (40) inside sliding connection has first slider (41), first slider (41) outer wall articulates there is block board (42), block board (42) one end is run through in stabilizing block (34) outer wall, block board (42) and stabilizing block (34) sliding connection.

9. The series ammonia converter with pressure autonomous regulation function according to claim 8, characterized in that: a second sliding groove (43) is formed in the first sliding groove (40), a second sliding block (44) is connected to the inner portion of the second sliding groove (43) in a sliding mode, and the outer wall of the second sliding block (44) is fixedly connected with the first sliding block (41).

10. The tandem ammonia synthesis tower with pressure autonomous regulation function according to claim 1, characterized in that: the cross sectional shape of second recess (14) sets up to the square, the quantity of ventilation hole (16) sets up to a plurality ofly, and is a plurality of ventilation hole (16) are the circumference array and distribute in baffle (15) outer wall.

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