CN115417428A - Ammonia converter - Google Patents
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- CN115417428A CN115417428A CN202210756120.9A CN202210756120A CN115417428A CN 115417428 A CN115417428 A CN 115417428A CN 202210756120 A CN202210756120 A CN 202210756120A CN 115417428 A CN115417428 A CN 115417428A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0417—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst characterised by the synthesis reactor, e.g. arrangement of catalyst beds and heat exchangers in the reactor
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Abstract
The invention discloses an ammonia synthesis tower, which relates to the technical field of ammonia synthesis and comprises a tower wall, a sealing cover, a central pipe and a secondary line pipe A, wherein the sealing cover is fixed at the top of the tower wall through a flange bolt, the central pipe is arranged at the axis position of the tower wall, the top end of the central pipe penetrates through the sealing cover and extends to the top of the sealing cover, and the central pipe is divided into an upper section central pipe and a lower section central pipe. Through setting up alternately clamp lever and clamp plate, reached and carried out the effect of hoist and mount operation to the tower wall fast, need not manual binding lifting rope. Through setting up push pedal, spring and spring leaf structure for temperature monitor drives the thermocouple and is close to the inner wall of protection tube, and the spring leaf structure is with the inseparable laminating of thermocouple on the inner wall of protection tube, improves the survey accuracy of temperature, and through adding the heat conduction cream, makes the stable accuracy of survey further improve. Through setting up ejection of compact control structure for the income volume of mist to the rate of control reaction makes the ammonia synthesis just more high-efficient.
Description
Technical Field
The invention relates to an ammonia synthesis technology, in particular to an ammonia synthesis tower.
Background
The ammonia synthesis tower is the core equipment of ammonia synthesis plant, it is the equipment which produces ammonia by using nitrogen and hydrogen to produce catalytic reaction under the condition of high pressure and high temperature, it is a relatively complex reactor, generally is a column-shaped structure, when it is mounted, it must be completed by hoisting, currently the ammonia synthesis is industrially implemented under the condition of pressure of 15.2-30.4 MPa and temperature of 400-520 deg.C, in order to prevent the corrosion of hydrogen to steel under the condition of high pressure and high temperature, the ammonia synthesis tower is formed from high-pressure-resisting end enclosure, external cylinder and high-temperature-resisting internal component mounted in the cylinder body.
The ammonia synthesis tower is assembled in advance, then hoists through the loop wheel machine and installs subaerial at the mill, and present ammonia synthesis tower needs bind the operation through the hoist and mount rope when the installation, binds comparatively loaded down with trivial details, and after the ammonia synthesis tower installation finishes, still need the artifical surface of climbing the ammonia synthesis tower to take off the hoist and mount rope, the rope takes off also comparatively troublesome.
The catalyst needs to be leaked through the sprinkler head during the normal work of the ammonia synthesis tower, if a tool is not used properly, the amount of each position is not uniform enough, so that the amount of the catalyst at a certain position is too large or too small, the ammonia synthesis process cannot meet the requirement, and the problem of ammonia synthesis production occurs.
Disclosure of Invention
The invention aims to solve the problems that the existing ammonia synthesis hoisting is complicated and the specific gravity of an ammonia synthesis reactor can not meet the requirement.
In order to achieve the purpose, the invention provides the following technical scheme:
an ammonia synthesis tower comprises a tower wall, a sealing cover, a central pipe and an auxiliary line pipe A, wherein the sealing cover is fixed at the top of the tower wall through a flange bolt, the central pipe is arranged at the axis position of the tower wall, the top end of the central pipe penetrates through the sealing cover and extends to the top of the sealing cover, the central pipe is divided into an upper section of central pipe and a lower section of central pipe, a spray head is fixed at the bottom of the upper section of central pipe, a discharge control structure is movably arranged inside the spray head, and two ends of the discharge control structure are fixed with the inner wall of the tower wall; the system comprises a center pipe, a secondary line pipe A, a radial distributor, a scale heat exchanger, a secondary line pipe B, a radial distributor and two axial layer pipes, wherein the secondary line pipe A is annularly arranged on the outer side of the center pipe by taking the center pipe as an axis, the secondary line pipe B is arranged on the outer side of the center pipe, the secondary line pipe B and the secondary line pipe A are both arranged inside the tower wall, the secondary line pipe A and the secondary line pipe B are arranged in a staggered manner, a mixed distributor, the axial distributor, the radial distributor and the two axial layer pipes are arranged at the bottoms of the secondary line pipe A and the secondary line pipe B, one axial layer pipe is movably sleeved on the surfaces of the lower middle line pipe and the secondary line pipe A, the axial distributor is arranged at the top of the axial layer pipe, the other axial layer pipe is arranged at the top of the axial distributor, the mixed distributor is arranged at the top of the axial layer pipe, the bottoms of the center pipe and the radial distributor are provided with the upper heat exchanger, the bottom of the secondary line pipe B is connected with the upper heat exchanger, the top of the upper heat exchanger is connected with the bottom of the center pipe, the upper heat exchanger, the scale heat exchanger, the lower heat exchanger is sleeved on the surface of the radial layer pipe, and the inner surface of the scale heat exchanger, and the inner side of the tower wall of the scale heat exchanger are provided with the scale heat exchanger;
a clamping plate is movably arranged on the surface of the tower wall, a crossed clamping rod is fixed on the end surface of the clamping plate, and a lifting rope is movably sleeved at the other end of the crossed clamping rod;
the top of closing cap is embedded to have the protection tube that extends to tower jade interior, the top of closing cap is provided with temperature monitor, the top of closing cap corresponds temperature monitor's rigidity has the locating plate, one side that the locating plate is close to temperature monitor is fixed with the spring, the other end of spring is fixed with the push pedal, the other end and the temperature monitor contact of push pedal, temperature monitor's bottom is provided with the thermocouple, the thermocouple activity is in the inside of protection tube, the surperficial movable joint of thermocouple has the spring leaf structure, the inside of spring leaf structure and protection tube is closely laminated.
Preferably, the following components: the discharge control structure comprises an air bag structure, the air bag structure comprises a conical block, an air bag body, a vertical rod, an air hole, a valve, an air pipe and a fixed rod, the conical block is movable in the sprinkler head, the air bag body is fixed at the bottom of the conical block, the vertical rod is fixed at the bottom of the conical block, the air bag is sleeved on the surface of the vertical rod, the fixed rod is horizontally fixed in the tower wall, the top end of the vertical rod penetrates through the fixed rod and extends to the lower part of the fixed rod and is fixed on the fixed rod through a fixing nut, the air hole is formed in the vertical rod, one end of the air hole is connected with the air bag body, the other end of the air hole is located at the bottom end of the vertical rod, one end of the air pipe is fixed at the position of the air hole at the bottom end of the vertical rod, the other end of the air pipe bypasses an auxiliary line pipe and penetrates through the tower wall to be in contact with the outside air of the tower wall, the valve is fixed on the side face of the tower wall, and the air pipe is communicated with the valve.
Preferably: the top of the lower section central tube is provided with a discharging cover which is movably sleeved on the surfaces of the fixed rod and the air tube, and the top end of the discharging cover extends to the inside of the sprinkler head.
Preferably: the ejection of compact control structure is including the movable block structure, the movable block structure includes adjusting nut, the screw rod, the spiral leaf, blast pipe and three hornblocks of toper, three hornblocks of toper activity are in the inside of sprinkler head, the vertical top of fixing at three hornblocks of toper of screw rod, and the top of screw rod passes the upper segment center tube and extends to the top of upper segment center tube, adjusting nut rotates the top of connecting at the upper segment center tube, adjusting nut thread cup joints on the surface of screw rod, the spiral leaf is fixed and is located the inside position of upper segment center tube on the surface of screw rod, the blast pipe sets up the side at upper segment center tube.
Preferably: the number that the spring leaf structure set up is one or more, and one or more spring leaf structure align to grid is on the surface of thermocouple, and the spring leaf structure includes "C" type clamp and spring leaf body, "C" type clamp card is on the surface of thermocouple, and the spring leaf body is fixed on the surface of "C" type clamp, and the spring leaf body closely laminates on the inner wall of protective tube.
Preferably: the inner part of the protection tube is filled with heat conducting paste with good heat conducting performance.
Preferably: the clamping plate is arranged in an arc shape, the anti-slip plate is arranged at the position where the clamping plate is contacted with the tower wall, the limiting ring is arranged at the position, corresponding to the clamping plate, on the surface of the tower wall, and the clamping plate is positioned below the limiting ring in a clamping state.
Due to the adoption of the technical scheme, the invention has the following advantages:
through setting up alternately clamp lever and clamp plate, alternately clamp lever can move about and adjust the interval between two clamp plates, when hoist the tower wall, at first overlap the top position at the tower wall with alternately clamp lever, make the clamp plate laminating on the surface of tower wall, the clamp plate this moment is located the bottom of spacing ring, take up the relatively poor clamp lever rapidly afterwards, make the inseparable laminating of clamp plate on the surface of tower wall, like this alright press from both sides the tower wall tightly and hoist it, the operation is very simple, the effect of fast hoisting operation to the tower wall has been reached, need not the manual lifting rope that binds.
Through setting up the push pedal, spring and spring leaf structure, the spring leaf structure cup joints the surface at the thermocouple, and the spring promotes the push pedal and makes temperature monitor remove to the direction of keeping away from the push pedal, and then makes temperature monitor drive the inner wall that the thermocouple is close to the protection tube, then with the spring leaf structure with the inseparable laminating of thermocouple on the inner wall of protection tube, through the temperature on the thermocouple direct determination protection tube, improve the survey accuracy of temperature, through adding the heat conduction cream, make the stable accuracy of survey further improve.
Through setting up ejection of compact control structure for the income volume of mist to the speed of control reaction makes the ammonia synthesis positive more high-efficient.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of an ammonia converter in which the discharge control structure is an air bag structure.
FIG. 2 is a schematic diagram showing the overall structure of an air bag structure in an ammonia synthesis tower.
FIG. 3 is a schematic cross-sectional view of an ammonia converter with a movable block as a discharge control structure.
FIG. 4 is a schematic view showing the overall structure of a movable block structure in an ammonia converter.
FIG. 5 is a schematic diagram of an overall front view configuration of an ammonia converter.
FIG. 6 is a schematic top view of the location of the clamping plates in an ammonia synthesis column.
FIG. 7 is a schematic diagram of an elevational cross-sectional structure of the thermocouple position in an ammonia converter.
FIG. 8 is a schematic sectional view of the top view of the location of the guard tubes and leaf spring structures in an ammonia converter.
FIG. 9 is a schematic sectional view of the positioning plate in the ammonia converter in a top view.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 9, the embodiments of the present invention include the following embodiments:
example 1
An ammonia synthesis tower comprises a tower wall 1, a sealing cover 2, a central tube 3 and an auxiliary tube A4, wherein the sealing cover 2 is fixed at the top of the tower wall 1 through a flange bolt and plays a role of sealing, the sealing cover is a main pressure-bearing part, the central tube 3 is arranged at the axis position of the tower wall 1, the top end of the central tube 3 penetrates through the sealing cover 2 and extends to the top of the sealing cover 2, the central tube 3 is divided into an upper section central tube and a lower section central tube, a sprinkler 5 is fixed at the bottom of the upper section central tube, a discharge control structure 6 is movably arranged inside the sprinkler 5 for controlling catalyst feeding, two ends of the discharge control structure 6 are fixed with the inner wall of the tower wall 1, the discharge control structure 6 comprises an air bag structure 61, the air bag structure 61 comprises a conical block 611 for distributing materials, an air bag body 612, a vertical rod 613, an air hole 614, a valve 615, an air pipe 616 and a fixing rod 617, the conical block 611 moves inside the sprinkler 5, the inclined angle of the conical block 611 is the same as the inclined angle of the inner wall 5, in order to better control the spraying of the catalyst, the air bag body is sleeved and fixed at the top end of the air hole 613, the straight rod is fixed at the bottom of the straight rod 614, the straight rod 612 is fixed at the air hole 613, the straight rod and connected with the straight rod 614 at the straight rod 612 at the straight rod 614, the straight rod 613, the straight rod 614, the straight rod 613, the straight rod 612, the valve 615 is fixed on the side of the tower wall 1, the air pipe 616 is communicated with the valve 615, the top of the lower section central pipe is provided with a discharging cover, in order to better disperse and exhaust air, in the catalyst spray head 5, the size of the air bag can change the size of the inlet amount of the mixed gas entering the upper section central pipe, the gas enters the air pipe 616 from the external valve 615, then the gas enters the air hole 614 from the air pipe 616, the gas in the air hole 614 is input into the air bag to enlarge the air bag, the distance between the enlarged air bag and the inner wall of the spray head 5 can be reduced, the inlet amount of the mixed gas is further reduced, otherwise, the inlet amount of the mixed gas is increased by reducing the distance, the discharging cover is movably sleeved on the surface of the fixed rod 617 and the air pipe 616, and the top end of the discharging cover extends to the inside of the spray head 5 to directly act on the position of the catalyst, so as to better generate reaction;
the gas distribution tower is characterized in that the auxiliary line pipe A4 is annularly arranged on the outer side of the central pipe 3 by taking the central pipe 3 as an axis, the auxiliary line pipe B7 is arranged on the outer side of the central pipe 3, the auxiliary line pipe B7 and the auxiliary line pipe A4 are both arranged inside the tower wall 1, the auxiliary line pipe A4 and the auxiliary line pipe B7 are arranged in a staggered mode, the surfaces of the lower section central pipe, the auxiliary line pipe A4 and the auxiliary line pipe B7 are respectively provided with a mixing distributor 8, an axial distributor 9, a radial distributor 10 and two axial layer pipes 11, the mixing distributor 8 mixes internal gas, the axial distributor 9 enables the gas to be distributed on the axial layer pipes 11 in an axial mode, the radial distributor 10 radially distributes the gas on the radial layer pipes 15, the radial distributor 10 is arranged at the bottoms of the auxiliary line pipe A4 and the auxiliary line pipe B7, one axial layer pipe 11 is movably sleeved on the surfaces of the lower section central line pipe and the auxiliary line pipe A4, the axial distributor 9 is arranged at the top of the axial layered pipe 11, the other axial layered pipe 11 is arranged at the top of the axial distributor 9, the mixing distributor 8 is arranged at the top of the axial layered pipe 11, the bottoms of the central pipe 3 and the radial distributor 10 are provided with an upper heat exchanger 12, the bottom end of a secondary line pipe B7 is connected with the upper heat exchanger 12, the top of the upper heat exchanger 12 is connected with the bottom end of the central pipe 3, the bottom of the upper heat exchanger 12 is provided with a support plate 13, the bottom of the support plate 13 is provided with a lower heat exchanger 14, the lower heat exchanger 14 is connected with the upper heat exchanger 12, the surfaces of the upper heat exchanger 12 and the lower heat exchanger 14 are sleeved with radial layered pipes 15, the surface of each radial layered pipe 15 is sleeved with a fish scale pipe 16, and the fish scale pipes 16 are arranged inside the tower wall 1;
the mixed gas of nitrogen and hydrogen enters the lower heat exchanger 14 from the bottom of the tower wall 1, heat exchange operation is carried out through the lower heat exchanger 14 and the upper heat exchanger 12, the nitrogen and hydrogen after heat exchange enter the sprinkler head 5 and the upper center tube 3 through the lower center tube for reaction, catalytic reaction is carried out through the sprinkler head 5 and the catalyst in the upper center tube 3, and the gas after reaction is discharged through the exhaust pipe 624.
The surface of the tower wall 1 is provided with a clamping plate 17 in an activity, the clamping plate 17 is arranged in an arc shape, an anti-slip plate is arranged at the position where the clamping plate 17 is contacted with the tower wall 1, a limiting ring 26 is arranged at the position where the surface of the tower wall 1 corresponds to the clamping plate 17, the clamping plate 17 is positioned below the limiting ring 26 in a clamping state, the end face of the clamping plate 17 is fixed with a crossed clamping rod 18, the other end of the crossed clamping rod 18 is movably sleeved with a lifting rope 19, the lifting rope 19 can mutually approach the two ends of the top of the crossed clamping rod 18 when axially stressed, so that the clamping plates 17 are driven to be clamped to approach each other at the two bottom ends of the crossed clamping rod 18, the clamping plates 17 are tightly and firmly attached to the outer side of the tower wall 1, and the limiting ring 26 limits the clamping plate 17;
a protection tube 20 extending into the tower wall 1 is embedded in the top of the sealing cover 2, a temperature monitor 21 is arranged on the top of the sealing cover 2, a positioning plate 22 is fixed on the top of the sealing cover 2 corresponding to the temperature monitor 21, a spring 23 is fixed on one side of the positioning plate 22 close to the temperature monitor 21, a push plate 24 is fixed on the other end of the spring 23, the other end of the push plate 24 is contacted with the temperature monitor 21, when in installation, the push plate 24 is firstly pushed by the spring 23, the push plate 24 pushes the temperature monitor 21 to drive the thermocouple 25 to be tightly attached to the inner wall of the protection tube 20, this operation is also a failure to fit the bottom end of the thermocouple 25 tightly to the protective tube 20, therefore, a spring piece structure 27 is clamped on the surface of the thermocouple 25, the thermocouple 25 is arranged at the bottom of the temperature monitor 21, the thermocouple 25 moves in the protection tube 20, the spring piece structure 27 is clamped on the surface of the thermocouple 25, the spring piece structure 27 is tightly attached to the inner part of the protection tube 20, the number of the spring piece structures 27 is one or more, the one or more spring piece structures 27 are uniformly arranged on the surface of the thermocouple 25, the spring piece structure 27 comprises a C-shaped clamp 271 and a spring piece body 271, the C-shaped clamp 271 is clamped on the surface of the thermocouple 25, thus, the position of the spring plate body 271 on the thermocouple 25 can be conveniently adjusted, the spring plate body 271 is fixed on the surface of the C-shaped clamp 271, the spring plate body 271 is tightly attached to the inner wall of the protective tube 20, the thermocouple 25 is attached to the inner wall of the protection tube 20 by the elastic force of the spring piece body 271, and the protection tube 20 is filled with a heat conducting paste with good heat conducting performance, so that the heat conducting efficiency is increased, and the heat is led into the thermocouple 25 more quickly.
Example 2
The device comprises a tower wall 1, a sealing cover 2, a central pipe 3 and an auxiliary pipe A4, wherein the sealing cover 2 is fixed at the top of the tower wall 1 through a flange bolt to play a sealing role and is a main pressure-bearing component, the central pipe 3 is arranged at the axis position of the tower wall 1 to facilitate catalyst entering from the top, the top end of the central pipe 3 penetrates through the sealing cover 2 and extends to the top of the sealing cover 2, the central pipe 3 is divided into an upper section central pipe and a lower section central pipe, a sprinkler 5 is fixed at the bottom of the upper section central pipe, a discharge control structure 6 is movably arranged inside the sprinkler 5, two ends of the discharge control structure 6 are fixed with the inner wall of the tower wall 1, the discharge control structure 6 comprises a movable block structure 62, the movable block structure 62 comprises an adjusting nut 621, a screw rod 622, a spiral blade 623, an exhaust pipe 624 and a conical triangular block 625, and the conical triangular block 625 is movable inside the sprinkler 5, the screw 622 is vertically fixed on the top of the conical triangular block 625, the top end of the screw 622 penetrates through the upper section central tube and extends to the top of the upper section central tube, the adjusting screw cap 621 is rotatably connected to the top of the upper section central tube, the adjusting screw cap 621 is in threaded sleeve connection with the surface of the screw 622, the spiral blade 623 is fixed at the position, located inside the upper section central tube, of the surface of the screw 622, gas entering the upper section central tube passes through the spiral blade 623, the spiral blade 623 increases the path of mixed gas, the mixed gas stays in the catalyst for a longer time and reacts more fully under the action of the catalyst, the screw 622 is driven to rise by rotating the adjusting screw cap 621, the screw 622 rises to drive the conical triangular block 625 to rise, so that the distance between the conical triangular block 625 and the inner wall of the sprinkler head 5 is reduced, and the entering amount of the mixed gas into the upper section central tube is reduced, the screw 622 is driven to move downwards by reversely rotating the adjusting screw cap 621, so that the conical triangular block 625 is driven to move downwards by the screw 622, the distance between the conical triangular block 625 and the inner wall of the spraying head 5 is increased by the downward movement of the conical triangular block 625, the feeding amount of the mixed gas into the upper section of central tube is increased, and the exhaust pipe 624 is arranged on the side surface of the upper section of central tube and is staggered with the screw 622 so that various operations of the two are not easily influenced with each other;
the auxiliary line pipe A4 is annularly arranged on the outer side of the central pipe 3 by taking the central pipe 3 as an axis, the outer side of the central pipe 3 is provided with an auxiliary line pipe B7, the auxiliary line pipe B7 and the auxiliary line pipe A4 are both arranged inside the tower wall 1, the auxiliary line pipe A4 and the auxiliary line pipe B7 are arranged in a staggered manner, the surfaces of the lower section central pipe, the auxiliary line pipe A4 and the auxiliary line pipe B7 are respectively provided with a mixing distributor 8, an axial distributor 9, a radial distributor 10 and two axial layer pipes 11, the radial distributor 10 is arranged at the bottoms of the auxiliary line pipe A4 and the auxiliary line pipe B7, one of the axial layer pipes 11 is movably sleeved on the surfaces of the lower section middle line pipe and the auxiliary line pipe A4, the axial distributor 9 is arranged at the top of the axial layer pipe 11, the other axial layer pipe 11 is arranged at the top of the axial distributor 9, the mixing distributor 8 is arranged at the top of the axial layer pipe 11, the bottom parts of the central pipe 3 and the radial distributor 10 are provided with an upper heat exchanger 12, the bottom end of the secondary line pipe B7 is connected with the upper heat exchanger 12, the top part of the upper heat exchanger 12 is connected with the bottom end of the central pipe 3, the bottom part of the upper heat exchanger 12 is provided with a support plate 13, the bottom part of the support plate 13 is provided with a lower heat exchanger 14, the lower heat exchanger 14 is connected with the upper heat exchanger 12, the surfaces of the upper heat exchanger 12 and the lower heat exchanger 14 are sleeved with radial layer pipes 15, the surfaces of the radial layer pipes 15 are sleeved with fish scale pipes 16, and the fish scale pipes 16 are arranged inside the tower wall 1.
Claims (7)
1. An ammonia synthesis tower comprises a tower wall (1), a sealing cover (2), a central pipe (3) and an auxiliary pipeline A (4), and is characterized in that the sealing cover (2) is fixed at the top of the tower wall (1) through a flange bolt, the central pipe (3) is arranged at the axis position of the tower wall (1), the top end of the central pipe (3) penetrates through the sealing cover (2) and extends to the top of the sealing cover (2), the central pipe (3) is divided into an upper section central pipe and a lower section central pipe, a sprinkler head (5) is fixed at the bottom of the upper section central pipe, a discharge control structure (6) is movably arranged inside the sprinkler head (5), and two ends of the discharge control structure (6) are fixed with the inner wall of the tower wall (1); the auxiliary line pipe A (4) is annularly arranged on the outer side of the central pipe (3) by taking the central pipe (3) as an axis, the outer side of the central pipe (3) is provided with an auxiliary line pipe B (7), the auxiliary line pipe B (7) and the auxiliary line pipe A (4) are both arranged in the tower wall (1), the auxiliary line pipe A (4) and the auxiliary line pipe B (7) are staggered, the lower section central pipe, the surfaces of the auxiliary line pipe A (4) and the auxiliary line pipe B (7) are both provided with a mixed distributor (8), an axial distributor (9), a radial distributor (10) and two axial layer pipes (11), the radial distributor (10) is arranged at the bottoms of the auxiliary line pipe A (4) and the auxiliary line pipe B (7), one axial layer pipe (11) is movably sleeved on the surfaces of the lower section central line pipe A (4) and the auxiliary line pipe A (11), the axial distributor (9) is arranged at the top of the axial layer pipe (11), the other axial layer pipe (11) is arranged at the top of the axial distributor (9), the top of the mixed distributor (8) is arranged at the top of the upper part of the central pipe (3), and the upper part of the heat exchanger (12) is connected with the heat exchanger (12), the bottom of the upper heat exchanger (12) is provided with a support plate (13), the bottom of the support plate (13) is provided with a lower heat exchanger (14), the lower heat exchanger (14) is connected with the upper heat exchanger (12), the surfaces of the upper heat exchanger (12) and the lower heat exchanger (14) are sleeved with radial layer pipes (15), the surfaces of the radial layer pipes (15) are sleeved with fish scale pipes (16), and the fish scale pipes (16) are arranged inside the tower wall (1);
a clamping plate (17) is movably arranged on the surface of the tower wall (1), a crossed clamping rod (18) is fixed on the end face of the clamping plate (17), and a lifting rope (19) is movably sleeved at the other end of the crossed clamping rod (18);
the top of closing cap (2) is embedded to have protection tube (20) that extend to tower wall (1) inside, the top of closing cap (2) is provided with temperature monitor (21), the top of closing cap (2) corresponds the position fixation of temperature monitor (21) and is had locating plate (22), one side that locating plate (22) are close to temperature monitor (21) is fixed with spring (23), the other end of spring (23) is fixed with push pedal (24), the other end and the contact of temperature monitor (21) of push pedal (24), the bottom of temperature monitor (21) is provided with thermocouple (25), thermocouple (25) activity is in the inside of protection tube (20), the surperficial activity joint of thermocouple (25) has spring leaf structure (27), spring leaf structure (27) and the inside of protection tube (20) closely laminate.
2. The ammonia synthesis tower according to claim 1, wherein the discharge control structure (6) comprises an air bag structure (61), the air bag structure (61) comprises a conical block (611), an air bag body (612), a vertical rod (613), an air hole (614), a valve (615), an air pipe (616) and a fixing rod (617), the conical block (611) is movable inside the sprinkler head (5), the air bag body (612) is fixed at the bottom of the conical block (611), the vertical rod (613) is fixed at the bottom of the conical block (611), the air bag is sleeved on the surface of the vertical rod (613), the fixing rod (617) is horizontally fixed inside the tower wall (1), the top end of the vertical rod (613) passes through the fixing rod (617) and extends to the lower part of the fixing rod (617) and is fixed on the fixing rod (617) through a fixing nut, the air hole (614) is arranged on the vertical rod (613), one end of the air hole (614) is connected with the air bag body (612), the other end of the air hole (614) is located at the bottom of the vertical rod (613), one end of the air pipe (616) is fixed on the vertical rod (613) and is located at the position of the air pipe (1), and the air pipe (613) is in contact with the side of the straight rod (1), the air pipe (616) is communicated with the valve (615).
3. The ammonia converter as claimed in claim 2, wherein the top of the lower section central tube is provided with a discharging cover, the discharging cover is movably sleeved on the surface of the fixed rod (617) and the air tube (616), and the top end of the discharging cover extends to the inside of the sprinkler head (5).
4. The ammonia synthesis tower according to claim 1, wherein the discharge control structure (6) comprises a movable block structure (62), the movable block structure (62) comprises an adjusting nut (621), a screw rod (622), a spiral blade (623), an exhaust pipe (624) and a conical triangular block (625), the conical triangular block (625) moves inside the sprinkler head (5), the screw rod (622) is vertically fixed at the top of the conical triangular block (625), the top end of the screw rod (622) penetrates through the upper section center pipe and extends to the top of the upper section center pipe, the adjusting nut (621) is rotatably connected to the top of the upper section center pipe, the adjusting nut (621) is sleeved on the surface of the screw rod (622) in a threaded manner, the spiral blade (623) is fixed at a position, inside the upper section center pipe, of the surface of the screw rod (622), and the exhaust pipe (624) is arranged on the side surface of the upper section center pipe.
5. The ammonia converter as claimed in claim 1, wherein the number of the leaf spring structures (27) is one or more, the one or more leaf spring structures (27) are uniformly arranged on the surface of the thermocouple (25), the leaf spring structure (27) comprises a C-shaped clamp (271) and a leaf spring body (271), the C-shaped clamp (271) is clamped on the surface of the thermocouple (25), the leaf spring body (271) is fixed on the surface of the C-shaped clamp (271), and the leaf spring body (271) is tightly attached to the inner wall of the protective tube (20).
6. Ammonia converter according to claim 1, characterized in that the interior of said protective tube (20) is filled with a thermally conductive paste having good thermal conductivity.
7. The ammonia converter according to claim 1, wherein the clamping plate (17) is arc-shaped, and the position where the clamping plate (17) contacts the tower wall (1) is provided with an anti-skid plate, the position of the surface of the tower wall (1) corresponding to the clamping plate (17) is provided with a limit ring (26), and the clamping plate (17) is positioned below the limit ring (26) in the clamping state.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210756120.9A CN115417428A (en) | 2022-06-29 | 2022-06-29 | Ammonia converter |
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CN202210756120.9A CN115417428A (en) | 2022-06-29 | 2022-06-29 | Ammonia converter |
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CN115417428A true CN115417428A (en) | 2022-12-02 |
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CN202210756120.9A Pending CN115417428A (en) | 2022-06-29 | 2022-06-29 | Ammonia converter |
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CN (1) | CN115417428A (en) |
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