CN213528603U - Synthetic tower shell - Google Patents

Abstract

The utility model belongs to the technical field of the chemical industry equipment technique and specifically relates to a synthetic tower shell is related to, it includes the barrel, establish the top cap on barrel top and establish the bulb subassembly in the barrel bottom, the top of barrel is equipped with first intake pipe, the bulb subassembly is equipped with second intake pipe, third intake pipe and outlet duct, the barrel includes barrel middle section, welded fastening at the barrel tip and the welded fastening support in barrel middle section bottom on barrel middle section top, the barrel middle section includes that inner tube and cover establish including the outer multistage plywood of section of thick bamboo, it is multistage the plywood is laminated each other between two liang. The present application has the following effects: the structural strength of barrel is higher, and the potential safety hazard that the barrel caused because barrel structural strength is very little when using.

Description

Synthetic tower shell

Technical Field

The application relates to the technical field of chemical equipment, in particular to a synthetic tower shell.

Background

The synthesis tower is a gas-liquid mass transfer device widely used in oil refining, chemical, petrochemical, biochemical and pharmaceutical production. The synthesis tower can obtain the needed compound by selecting different medium catalysts, introducing different raw materials and carrying out catalytic reaction on the raw materials at high pressure and high temperature.

The utility model discloses a chinese utility model patent with grant bulletin number CN204122100U discloses a methyl alcohol synthetic tower device, it includes the synthetic tower barrel, the upper and lower both ends of synthetic tower barrel are provided with respectively, the tube sheet down, the synthetic tower barrel respectively with upper and lower tube sheet welded fastening, the top welded fastening of going up the tube sheet is provided with the upper tube case, the bottom welded fastening of tube sheet is connected with the tube case down, be provided with a plurality of heat exchange tubes in the synthetic tower barrel, the upper and lower both ends of heat exchange tube wear to establish respectively, and weld in the tube hole on the upper and lower tube sheet, the last mouth of pipe and the upper tube case of heat exchange tube communicate mutually, the lower mouth of pipe and the lower tube case of heat exchange tube communicate mutually, set up the barrel manhole of taking the closing cap that can open and shut on the synthetic tower barrel that is close to the upper tube sheet.

In view of the above-mentioned related technologies, the inventor believes that the working environment in the cylinder is a high-temperature and high-pressure environment, and therefore has an extremely high requirement on the structural strength of the cylinder, and if the structural strength of the cylinder is low, there is a potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to improve the structural strength of the synthesis tower cylinder, the application provides a synthesis tower shell.

The technical scheme is that the shell of the synthetic tower adopts the following technical scheme:

the utility model provides a synthetic tower shell, includes the barrel, establishes the top cap on top and establish the bulb subassembly in the barrel bottom, the top welded fastening of barrel has the upper bracket that is used for the top cap to fix, and the bottom welded fastening of barrel has the undersetting that is used for the bulb subassembly to fix, the upper bracket is equipped with first intake pipe, the bulb subassembly is equipped with second intake pipe, third intake pipe and outlet duct, the barrel includes that inner tube and cover establish the outer multistage plywood of inner tube, multistage the plywood is laminated each other between two liang.

Through adopting above-mentioned technical scheme, the barrel comprises inner tube and multistage plywood to inner tube and multistage plywood all possess the relation of connection with upper bracket or undersetting, thereby make the structural strength of the barrel that forms higher, the barrel is very little when using because the potential safety hazard that the barrel structural strength caused.

Optionally, two terminal surfaces of inner tube are interior conical surface, the tip of interior conical surface is inner tube inner wall one side, and the main aspects of interior conical surface are inner tube outer wall one side, the inner wall of upper bracket and the inner wall of undersetting all are equipped with interior chamfer angle, the chamfer face of interior conical surface and interior chamfer angle forms the intussuseption groove that is used for the solder to fill.

By adopting the technical scheme, gaps are not easy to exist in formed welding seams, and high-pressure gas in the cylinder is not easy to permeate into the welding seams to impact the welding seams, so that the welding seams have higher strength to bear high temperature and high pressure in the cylinder.

Optionally, two terminal surfaces that the axial lead of plywood passed are the external conical surface, the main aspects of the external conical surface are plywood inner wall one side, and the tip of the external conical surface is plywood outer wall one side, and the direction that highly extends outward along inner tube axial lead of multistage plywood increases step by step, the outer wall of upper bracket and the outer wall of undersetting all are equipped with outer chamfer, the chamfer of the external conical surface and outer chamfer forms the outer filling groove that is used for the solder to fill, outer filling and plywood one-to-one.

Through adopting above-mentioned technical scheme, the welding of outer filling groove is convenient for to the solder is located outer filling layer, makes to laminate between the interlayer board inseparabler, in order to form the cylinder that structural strength is higher.

Optionally, the ball head assembly includes a ball head seat fixed at the bottom end of the lower support, an extension pipe arranged at the bottom end of the ball head seat, and a pipe connecting flange fixed at one end of the extension pipe far away from the ball head seat, the second air inlet pipe is arranged on the ball head seat, the air outlet pipe is communicated with the extension pipe, and the third air inlet pipe is arranged on the pipe connecting flange.

Through adopting above-mentioned technical scheme, the installation is firm between bulb subassembly and the undersetting to the bulb subassembly encloses jointly with top cap and barrel and closes the required high temperature high pressure place of formation catalytic reaction.

Optionally, axial support lugs are arranged on two sides of the upper support, and an axial lead of each axial support lug is perpendicular to an axial lead of the inner cylinder.

By adopting the technical scheme, the axial support lug is used for hoisting the whole barrel or the synthetic tower shell so as to facilitate the installation and the movement of the barrel or the synthetic tower shell.

Optionally, the bottom of the ball cup is provided with a first lifting lug, and the pipe connecting flange is provided with a second lifting lug.

Through adopting above-mentioned technical scheme, first lug and second lug not only can be used to the ball cup and the fixed when taking over the flange mounting to make the installation more laborsaving and convenient, and can also be used to the whole assistance-localization real-time when removing of synthetic tower shell, make the synthetic tower difficult to take place "tail slipping" phenomenon at the removal in-process

Optionally, the top cover and the upper support are connected through a connecting assembly, and a double-cone sealing ring is arranged between the top cover and the upper support.

Through adopting above-mentioned technical scheme, during sealed, the high-pressure gas in the barrel gets into between top cap and the bipyramid ring, makes bipyramid ring radial expansion to play radial self-tightening effect, the sealed effect between upper bracket and the top cap is fabulous, and high-pressure gas is difficult for revealing in the barrel, has reduced the potential safety hazard.

Optionally, coupling assembling includes that one end passes the top cap and with upper bracket threaded connection's kingbolt, with kingbolt other end threaded connection's kingnut and establish the gasket between kingnut and top cap, the one end that the kingbolt is close to the kingnut is equipped with the plug screw, the plug screw is equipped with the double-screw bolt protective sheath outward.

Through adopting above-mentioned technical scheme, can realize fastening connection between top cap and the upper bracket, the double-screw bolt protective sheath slows down the anti-aging speed of kingbolt, prolongs the life of kingbolt and main nut.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cylinder body consists of the inner cylinder and the multi-stage laminate, and the inner cylinder and the multi-stage laminate are connected with the upper support or the lower support, so that the formed cylinder body has higher structural strength, and the potential safety hazard caused by the structural strength of the cylinder body is very small when the cylinder body is used;

2. through setting up the axial journal stirrup, the axial journal stirrup is used for the holistic hoist and mount of barrel or synthetic tower shell to the installation and the removal of barrel or synthetic tower shell are convenient for.

Drawings

FIG. 1 is a schematic structural diagram of an overall shell of a synthesis tower according to an embodiment of the present application;

FIG. 2 is a longitudinal cross-sectional view of an outer shell of a synthesis tower according to an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

fig. 5 is an enlarged view of a portion C in fig. 2.

Description of reference numerals: 1. a barrel; 11. an inner barrel; 111. filling a groove; 112. filling the groove; 12. laminating the board; 121. a unit body; 2. a top cover; 3. a ball head assembly; 31. a ball cup seat; 311. a second intake pipe; 312. a first lifting lug; 32. an extension pipe; 321. an air outlet pipe; 33. a pipe connecting flange; 331. a flange plate; 332. a third intake pipe; 333. a second lifting lug; 4. an upper support; 41. a first intake pipe; 42. an axial lug; 421. an axle tube; 422. a limiting ring edge; 423. a reinforcing plate; 5. a lower support; 6. a connecting assembly; 61. a main bolt; 62. a main nut; 63. a gasket; 64. a plug screw; 65. a stud protection sleeve; 7. a double-cone sealing ring; 71. a double conical ring; 72. a ring; 721. a screw; 73. and (4) a soft gasket.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a synthetic tower shell. Referring to fig. 1, the synthetic tower shell includes a barrel 1, a top cap 2, and a ball head assembly 3. The cylinder 1 is used for installing the internals of a synthesis tower, such as a catalyst bed, a heat exchanger, an air inlet inner pipe and the like; the top cap 2 sets up in the top of barrel 1, and bulb subassembly 3 sets up in the bottom of barrel 1, and the chamber that top cap 2 and bulb subassembly 3 enclose to close and form is used as catalytic reaction's place.

Referring to fig. 2 and 3, the cartridge 1 includes an inner cartridge 11 and a laminate 12, the inner cartridge 11 being a cylinder with both ends open; the layer plate 12 is provided with a plurality of stages, and the number of stages of the layer plate 12 should be appropriately selected according to the specification of the actual synthesis tower to determine the optimum wall thickness of the side wall of the drum 1. In this embodiment, the multi-stage laminate 12 is sequentially sleeved on the inner cylinder 11, and every two multi-stage laminates 12 are mutually attached.

Both ends of barrel 1 are equipped with upper bracket 4 and undersetting 5 respectively, and the inside of upper bracket 4 and undersetting 5 is all hollow, and the internal diameter of upper bracket 4 and undersetting 5 equals the internal diameter of inner tube 11, and upper bracket 4 welded fastening is on the top of barrel 1, and upper bracket 4 is used for barrel 1 and top cap 2 fixed connection. A first air inlet pipe 41 is fixedly welded on the upper support 4, and cold shock gas is introduced into the top of the cylinder 1 through an inner part such as an air inlet inner pipe of the first air inlet pipe 41. The lower support 5 is welded and fixed at the bottom end of the cylinder body 1, and the lower support 5 is used for fixedly connecting the cylinder body 1 and the ball head component 3.

If barrel 1 adopts the one deck casing that the wall thickness is thicker, when barrel 1 and upper bracket 4 and bottom suspension 5 welded fastening, then can only form the welding seam at the inner wall and the outer wall of junction, and in this embodiment, barrel 1 comprises inner tube 11 and multistage plywood 12 to inner tube 11 and multistage plywood 12 all possess the relation of connection with upper bracket 4 or bottom suspension 5, thereby make the structural strength of the barrel 1 who forms higher, barrel 1 is when using because the potential safety hazard that barrel 1 structural strength caused is very little.

Referring to fig. 2 and 3, both end surfaces of the inner cylinder 11 are inner conical surfaces, a small end of the inner conical surface is one side of the inner wall of the inner cylinder 11, and a large end of the inner conical surface is one side of the outer wall of the inner cylinder 11. The inner conical surface can be processed in a cutting processing mode, and the inner conical surface after cutting processing is polished to remove burrs, sharp corners and the like so as to ensure the smoothness of the inner conical surface. The inner wall of the upper support 4 and the inner wall of the lower support 5 are both provided with inner chamfer angles, and the inclination and the width of each inner chamfer angle are matched with the inclination and the width of the inner conical surface of the inner barrel 11.

When the inner cylinder 11 is welded with the upper support 4 and the lower support 5, the two ends of the cylinder 1 are respectively abutted to the upper support 4 and the lower support 5, the inner conical surface and the chamfer surface of the inner chamfer angle form an inner filling groove 111 for filling solder after the abutment, and the inner filling groove 111 is welded to form a welding line during welding. The large end of the inner filling groove 111 is the end close to the axial lead of the inner barrel 11, the formed welding seam is not easy to have gaps, and the high-pressure gas in the barrel 1 is not easy to permeate into the welding seam to impact the welding seam, so that the welding seam has higher strength to bear the high temperature and high pressure in the barrel 1.

Two end surfaces of the laminate 12 through which the axis passes are outer conical surfaces, the large end of each outer conical surface is one side of the inner wall of the laminate 12, and the small end of each outer conical surface is one side of the outer wall of the laminate 12. The outer conical surface can also adopt a machining mode of cutting machining and secondary grinding. The height of the multi-stage laminate 12 increases stepwise in the direction in which the axis of the inner cylinder 11 extends outward, so that both ends of the multi-stage laminate 12 form a gradient outside the inner cylinder 11. The outer wall of upper bracket 4 and the outer wall of undersetting 5 all are equipped with outer chamfer, and outer chamfer links to each other with interior chamfer to the gradient looks adaptation of the inclination of outer chamfer and multistage plywood 12, when guaranteeing upper bracket 4 and undersetting 5 and barrel 1 butt, all plywoods 12 all can fall on the bevel face of outer chamfer. The end surfaces of the laminated boards 12 and the chamfered surfaces of the outer chamfer angles form outer filling grooves 112 for filling with solder, and the outer filling grooves 112 correspond to the laminated boards 12 one by one.

Referring to fig. 1, in order to sleeve the layer board 12 on the inner cylinder 11, the layer board 12 is generally provided as two opposite unit bodies 121 which are symmetrical to each other, and the cross section of each unit body 121 is a semicircular pipe body. The two unit bodies 121 are jointed to form a circular tubular structure, and the two unit bodies 121 are welded and fixed. After welding, the weld is polished to ensure intimate bonding between the plies 12. When the barrel 1 is processed and formed, nondestructive testing is carried out on welding at each position, and the standard requirements of welding are met.

Referring to fig. 2 and 4, the upper support 4 and the top cover 2 are connected by a connection assembly 6, and the connection assembly 6 includes a main bolt 61, a main nut 62, and a washer 63. One end of the main bolt 61 penetrates through the top cover 2 and is in threaded connection with the upper support 4, the other end of the main bolt 61 is in threaded connection with the main nut 62, the gasket 63 is sleeved on the main bolt 61, and the gasket 63 is located between the main nut 62 and the top cover 2. Coupling assembling 6 is used for realizing the fastening connection between top cap 2 and the upper bracket 4, and coupling assembling 6 is equipped with the multiunit along top cap 2's circumference equidistant to guarantee that top cap 2 can bear the high temperature high pressure in the barrel 1. The end of the main bolt 61 close to the main nut 62 is connected with a plug screw 64 through a thread, the plug screw 64 is sleeved with a stud protective sleeve 65, the stud protective sleeve 65 is mainly made of silicon rubber materials, the stud protective sleeve 65 is used for preventing the main bolt 61 from aging, and the corrosion of the threaded connection position of the main bolt 61 and the main nut 62 can be reduced, so that the service lives of the main bolt 61 and the main nut 62 are prolonged.

Referring to fig. 5, a double-cone sealing ring 7 is provided between the top cap 2 and the cylinder 1. The double-cone sealing ring 7 adopts semi-self-tightening sealing and comprises a double-cone ring 71 and a supporting ring 72, wherein the longitudinal section of the double-cone ring 71 is rectangular, and inclined chamfer surfaces are arranged on two sides of one end, away from the axial line of the double-cone pipe, of the rectangle, so that a double-cone structure is formed. The top end of the double-cone ring 71 is embedded into the top cover 2, the top cover 2 is provided with an inclined plane matched with the chamfer surface at the top end of the double-cone ring 71, the top end of the inner wall of the upper support 4 is provided with an inclined plane matched with the chamfer surface at the bottom end of the double-cone ring 71, a soft gasket 73 is arranged between the inclined plane and the chamfer surface, and the soft gasket 73 is mainly made of flexible graphite materials. When the double-cone ring 71 abuts against the upper support 4 and the top cover 2, the soft gasket 73 is pressed to deform, and the soft gasket 73 is used for forming initial sealing between the upper support 4 and the top cover 2.

The supporting ring 72 is arranged at the bottom end of the double-cone ring 71 far away from the double-cone structure, the supporting ring 72 is connected with the double-cone ring 71 through a screw 721, and the supporting ring 72 is used for supporting the double-cone ring 71. During sealing, high-pressure gas in the barrel 1 enters between the top cover 2 and the double-cone ring 71, so that the double-cone ring 71 radially expands to play a radial self-tightening role, therefore, the sealing effect between the upper support 4 and the top cover 2 is excellent, the high-pressure gas in the barrel 1 is not easy to leak, and the potential safety hazard is reduced.

Referring to fig. 1 and 2, the ball joint assembly 3 includes a ball joint seat 31, an extension pipe 32, and a joint flange 33. The ball cup 31 is a hemispherical shell, the top end of the ball cup 31 and the bottom end of the lower support 5 are welded and fixed, and the ball cup 31 is fixedly welded with a second air inlet pipe 311; the top end of the extension pipe 32 is welded and fixed at the bottom end of the ball cup 31, the extension pipe 32 is communicated with the interior of the ball cup 31, and an air outlet pipe 321 is welded and fixed on the peripheral surface of the extension pipe 32; the pipe connecting flange 33 is located at one end of the extension pipe 32 far away from the ball seat 31, a flange 331 is arranged at the top end of the pipe connecting flange 33, a third air inlet pipe 332 is arranged at the bottom end of the pipe connecting flange 33, and the flange 331 is fixedly connected with the extension pipe 32 through bolts and nuts. The second intake pipe 311 communicates in the middle part of barrel 1 through the inner tube that admits air, and the third intake pipe 332 communicates in the bottom of barrel 1 through the inner tube that admits air, and the installation is firm between the bottom of bulb subassembly 3 and barrel 1 to bulb subassembly 3 encloses jointly with top cap 2 and barrel 1 and closes the required high temperature high pressure place of formation catalytic reaction.

The two sides of the upper support 4 are provided with axial support lugs 42, the axial support lugs 42 and the axial line of the first air inlet pipe 41 are positioned on the same horizontal plane, and the axial support lugs 42 and the first air inlet pipe 41 are arranged in a staggered manner, so that the axial line of the axial support lugs 42 is also perpendicular to the axial line of the inner cylinder 11. The axial support lug 42 includes an axle tube 421 welded and fixed on the outer wall of the upper support 4 and a limit ring 422 welded and fixed on one end of the axle tube 421 far away from the upper support 4, and a reinforcing plate 423 may be additionally arranged between the axle tube 421 and the outer wall of the upper support 4 for reinforcing the connection strength between the axle tube 421 and the limit ring. The axial support lug is used for hoisting the whole barrel 1 or the synthetic tower shell so as to facilitate the installation and the movement of the barrel 1 or the synthetic tower shell.

A first lug 312 is welded and fixed to the bottom of the ball cup 31, and a second lug 333 is welded and fixed to the circumferential surface of the pipe connecting flange 33. The first lifting lug 312 and the second lifting lug 333 are provided with a plurality of parts, in this embodiment, three parts are taken as an example, the three first lifting lugs 312 and the three second lifting lugs 333 are all arranged at equal intervals along the circumferential direction of the cylinder 1, and the positions of the first lifting lug 312 and the second lifting lug 333 are in one-to-one correspondence. The first lifting lug 312 and the second lifting lug 333 can be used for fixing the ball cup seat 31 and the pipe connecting flange 33 during installation, so that the installation process is more labor-saving and convenient, and can also be used for auxiliary positioning of the whole synthesis tower shell during movement, so that the synthesis tower is not easy to slide in the movement process.

The implementation principle of the synthesis tower shell in the embodiment of the application is as follows: during processing, the upper support 4 and the lower support 5 are abutted to two ends of the inner cylinder 11 respectively, so that an inner filling groove 111 is formed at the abutted position, then a constructor enters the inner cylinder 11 and welds the inner filling groove 111, so that the inner filling groove 111 is filled with a welding flux to form a welding line; then, the unit bodies 121 of the layer plates 12 are oppositely combined on the outer wall of the inner cylinder 11 to form a cylindrical structure, the unit bodies 121 are welded and fixed, an outer filling groove 112 is formed between each layer plate 12 and each of the upper support 4 and the lower support 5, then the outer filling groove 112 is welded, the multi-stage layer plates 12 are sequentially thickened to form the cylinder body 1, and after the cylinder body 1 is processed, the top cover 2 and the ball head assembly 3 are installed and fixed to form a working chamber required for catalytic reaction. The structural strength of the cylinder body 1 is high, and the potential safety hazard of the synthetic tower in use can be reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a synthetic tower shell, includes barrel (1), establishes top cap (2) on top and establishes ball head subassembly (3) in barrel (1) bottom, its characterized in that: the top welded fastening of barrel (1) has upper bracket (4) that is used for top cap (2) to fix, and the bottom welded fastening of barrel (1) has lower support (5) that are used for ball head subassembly (3) to fix, upper bracket (4) are equipped with first intake pipe (41), ball head subassembly (3) are equipped with second intake pipe (311), third intake pipe (332) and outlet duct (321), barrel (1) includes inner tube (11) and cover and establishes multistage plywood (12) outside inner tube (11), and is multistage plywood (12) are laminated each other between two liang.

2. The synthetic tower shell of claim 1, wherein: two terminal surfaces of inner tube (11) are interior conical surface, the tip of interior conical surface is inner tube (11) inner wall one side, and the main aspects of interior conical surface are inner tube (11) outer wall one side, the inner wall of upper bracket (4) and the inner wall of undersetting (5) all are equipped with interior chamfer angle, the chamfer angle of interior conical surface and interior chamfer angle forms and is used for interior intussuseption (111) that the solder was filled.

3. The synthetic tower shell of claim 2, wherein: two terminal surfaces that the axial lead of plywood (12) passed are the outer conical surface, the main aspects of the outer conical surface are plywood (12) inner wall one side, and the tip of the outer conical surface is plywood (12) outer wall one side, and the direction that highly extends along inner tube (11) axial lead of multistage plywood (12) increases step by step, the outer wall of upper bracket (4) and the outer wall of undersetting (5) all are equipped with outer chamfer angle, the outer conical surface forms outer filling groove (112) that are used for the solder to fill with the chamfer face of outer chamfer angle, outer filling and plywood (12) one-to-one.

4. The synthetic tower shell of claim 1, wherein: ball head subassembly (3) are including fixing ball headstock (31) in undersetting (5) bottom, establishing extension tube (32) in ball headstock (31) bottom and fixing in extension tube (32) and keep away from flange (33) of the takeover of ball headstock (31) one end, second intake pipe (311) are established on ball headstock (31), outlet duct (321) and extension tube (32) intercommunication, third intake pipe (332) are established on flange (33) of takeover.

5. The synthetic tower shell of claim 4, wherein: and axial support lugs (42) are arranged on two sides of the upper support (4), and the axial lead of the axial support lugs (42) is perpendicular to the axial lead of the inner barrel (11).

6. The synthetic tower shell of claim 5, wherein: the bottom of the ball seat (31) is provided with a first lifting lug (312), and the pipe connecting flange (33) is provided with a second lifting lug (333).

7. The synthetic tower shell of claim 1, wherein: the top cover (2) is connected with the upper support (4) through the connecting assembly (6), and a double-cone sealing ring (7) is arranged between the top cover (2) and the upper support (4).

8. The synthetic tower shell of claim 7, wherein: coupling assembling (6) include that one end passes top cap (2) and with upper bracket (4) threaded connection's kingbolt (61), with kingbolt (61) other end threaded connection's main nut (62) and establish gasket (63) between main nut (62) and top cap (2), kingbolt (61) are close to the one end of main nut (62) and are equipped with plug screw (64), plug screw (64) are equipped with double-screw bolt protective sheath (65) outward.

Images