CN221206848U

CN221206848U - Rectifying reboiler for methyl tertiary butyl ether production

Info

Publication number: CN221206848U
Application number: CN202322759741.5U
Authority: CN
Inventors: 范耀辉; 梁泽兴; 宋艳朝; 杨连宝; 陈卫则; 孙闯; 康岐; 刘鹏飞; 曹海辉
Original assignee: Shijiazhuang Dingying Chemical Engineering Co ltd
Current assignee: Shijiazhuang Dingying Chemical Engineering Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-06-25
Anticipated expiration: 2033-10-13

Abstract

The utility model relates to a rectifying reboiler for methyl tertiary butyl ether production, which belongs to the technical field of chemical equipment and comprises a shell, wherein a horizontal connecting plate is arranged at the bottom end of the shell, at least two groups of vertical struts are arranged at the bottom of the connecting plate, bearing blocks are respectively arranged at the bottom ends of the struts, and a track is arranged at the bottom ends of the bearing blocks; the bearing block is internally provided with a cavity, the cavity penetrates through the top surface and the bottom surface of the bearing block, a sliding component sliding along the vertical direction is arranged in the cavity, and the support column is provided with a transmission component for the sliding component to move along the vertical direction. According to the utility model, the sliding component is arranged in the cavity of the bearing block, and the sliding component slides out of the cavity when the reboiler needs to be moved, so that the supporting time of the sliding component is reduced, and the service life of the sliding component is prolonged.

Description

Rectifying reboiler for methyl tertiary butyl ether production

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a rectifying reboiler for producing methyl tertiary butyl ether.

Background

At present, methyl tertiary butyl ether is generally synthesized by taking methanol and isobutene as raw materials under the action of an acid catalyst, wherein the methyl tertiary butyl ether and the methanol are mixed to form an azeotrope, an organic azeotrope is generally separated by adopting an extraction and rectification process, a reboiler is generally used in the process of producing the methyl tertiary butyl ether, the reboiler is generally used with a rectification tower and is used for vaporizing a bottom product of the rectification tower, the reboiler and the rectification tower are commonly connected with a connecting pipeline, two-phase flow vaporized in the reboiler is returned into the rectification tower through the connecting pipeline, and a large amount of dirt is formed on the inner wall of the reboiler and the surface of an internal component after long-term use, so that workers need to periodically detach and clean the reboiler to avoid influencing the operation efficiency of the reboiler.

Because the reboiler is in narrow and small space more to the connecting tube of reboiler is more, and the staff is in order to conveniently remove the reboiler, sets up the runner in the reboiler bottom generally, because the weight of reboiler is heavier, consequently set up the pivot on the runner and lead to self buckling easily because of bearing the long-term pressure of reboiler to influence the normal removal of runner, consequently need a novel reboiler structure.

Disclosure of utility model

The present utility model aims to solve the above-mentioned problems of the prior art and to provide a rectifying reboiler for producing methyl tert-butyl ether.

The utility model provides a rectifying reboiler for producing methyl tertiary butyl ether, which adopts the following technical scheme:

The rectifying reboiler for producing methyl tertiary butyl ether comprises a shell, wherein a horizontal connecting plate is arranged at the bottom end of the shell, at least two groups of vertical struts are arranged at the bottom of the connecting plate, bearing blocks are respectively arranged at the bottom ends of the struts, and a track is arranged at the bottom ends of the bearing blocks; the bearing block is internally provided with a cavity, the cavity penetrates through the top surface and the bottom surface of the bearing block, a sliding component sliding along the vertical direction is arranged in the cavity, and the support column is provided with a transmission component for the sliding component to move along the vertical direction.

Preferably, the sliding component comprises a wheel frame, a rotating wheel and a guide piece, wherein the guide piece is arranged on two opposite side walls of the wheel frame, vertical guide grooves are respectively formed in two opposite side walls of the cavity, the guide piece is positioned in the guide grooves, the rotating wheel is horizontally connected to two opposite inner walls of the wheel frame in a rotating mode, and the transmission component is connected to the top end of the wheel frame.

Preferably, the transmission assembly comprises a threaded column, a sleeve and a ring plate, the ring plate horizontally surrounds the inner wall of the sleeve, a ring groove for embedding the ring plate is formed in the circumferential side wall of the support column, the ring plate is rotationally connected in the ring groove, threads matched with the threaded column are formed in the circumferential inner wall of one end of the sleeve, which is far away from the ring plate, of the sleeve, the threaded column is in threaded connection with the sleeve, one end of the threaded column, which is far away from the sleeve, is rotationally connected to the top end of the wheel carrier, and the threaded column and the rotation axis of the wheel carrier are in a vertical direction.

Preferably, the track is provided with a first chute and a second chute, the second chute is arranged on the bottom surface of the first chute, the bottom end of the bearing block is contacted with the bottom surface of the first chute when the sliding component is positioned in the chamber, and the rotating wheel is contacted with the bottom surface of the second chute when the sliding component slides out of the chamber.

Preferably, the track is formed by splicing a plurality of unit rail pieces, two sides of one end of the length direction of each unit rail piece are respectively provided with a horizontal extension piece, two sides of one end of each adjacent unit rail piece are respectively provided with an extension groove for embedding the extension piece, and the extension pieces are rotationally connected in the extension grooves.

Preferably, a unit rail piece positioned at the end part of the rail is provided with a positioning hole, the side wall of the support column is provided with a horizontal positioning screw hole, and the positioning screw hole and the positioning hole are jointly penetrated with a positioning stud when the unit rail piece rotates to be vertical.

Preferably, the track is provided with a bolt for being fixed on the ground, the bottom surface of the second chute is provided with a nut groove, and the top end of the bolt is not higher than the groove surface of the second chute.

Preferably, a reserved gap is reserved between the circumferential inner wall of the nut groove and the bolt.

In summary, the utility model has the following beneficial technical effects:

1. Through set gradually connecting plate, pillar and bearing block in the casing bottom to set up the track in the bearing block below, set up the slip subassembly in the cavity of bearing block, when needs remove the reboiler casing, operate drive assembly, with slip subassembly roll-off cavity, make slip subassembly and track contact, thereby remove the reboiler casing from narrow and small space, under the reboiler operating condition, slip subassembly is located strong indoor, the bearing block has played the supporting role to the casing, thereby prolonged the life of slip subassembly.

2. The track is formed by splicing a plurality of groups of unit track pieces, if the shell does not need to be moved, the unit track pieces can be rotated to a vertical state, so that occupied space is reduced; when the shell needs to be moved, the unit rail piece is rotated to be in a horizontal state, and the sliding assembly can slide on the unit rail piece.

Drawings

FIG. 1 is a schematic diagram of a rectifying reboiler for methyl tertiary butyl ether production according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of the runner in contact with the second runner;

FIG. 3 is a schematic view of the structure of the area A in FIG. 1;

fig. 4 is a schematic view of a structure in a state in which part of the unit rail is vertical.

Reference numerals illustrate: 1. a housing; 2. a connecting plate; 3. a support post; 31. a ring groove; 32. positioning a stud; 33. positioning screw holes; 4. a bearing block; 41. a chamber; 411. a guide groove; 5. a sliding assembly; 51. a wheel carrier; 52. a rotating wheel; 53. a guide member; 6. a transmission assembly; 61. a threaded column; 62. a sleeve; 63. a ring plate; 7. a track; 71. a first chute; 72. a second chute; 73. a unit rail member; 731. an extension member; 732. an extension groove; 733. positioning holes; 74. a nut groove; 741. a bolt; 742. and reserving a seam.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a rectifying reboiler for producing methyl tertiary butyl ether. Referring to fig. 1 and 2, including the casing 1 of vertical state, casing 1 bottom welding has horizontal connecting plate 2, connecting plate 2 bottom welding has two sets of vertical pillars 3, every group pillar 3 is including setting up two in connecting plate 2 central axis both sides respectively, pillar 3 bottom has welded the spandrel block 4 respectively, the cavity 41 that runs through along vertical direction has been seted up to spandrel block 4 inside, along vertical direction sliding connection in the cavity 41 have sliding component 5, pillar 3 is provided with drive assembly 6, drive assembly 6 is connected with sliding component 5, and the state that drive assembly 6 control sliding component 5 slided along vertical direction has been placed to spandrel block 4 bottom.

Referring to fig. 1 and 2, the transmission assembly 6 includes a threaded post 61, a sleeve 62 and a ring plate 63, the ring plate 63 horizontally surrounds and is fixedly connected to the inner wall of the sleeve 62, the pillar 3 in the present application is cylindrical, the circumferential side wall of the pillar 3 is provided with a ring groove 31 into which the ring plate 63 is embedded, the ring plate 63 is rotatably connected to the ring groove 31, i.e. the sleeve 62 is rotatably arranged on the circumferential side wall of the pillar 3, the circumferential inner wall of one end of the sleeve 62 far from the ring plate 63 is provided with threads matched with the threaded post 61, the threaded post 61 is in threaded connection with the sleeve 62, and one end of the threaded post 61 far from the sleeve 62 is rotatably connected with the sliding assembly 5, i.e. the threaded post 61 and the rotation axis of the sliding assembly 5 are in a vertical state. By rotating the sleeves 62 provided in each set of the posts 3 in turn (the sleeve 62 in this embodiment is preferably selected as a rectangular cylinder to facilitate the operator to borrow the wrench tool to rotate the sleeve 62), the threaded posts 61 are moved in a vertically downward direction, and the slide assembly 5 slides out of the bottom of the chamber 41 under the action of the threaded posts 61 and contacts the rail 7, at which time the slide assembly 5 supports the housing 1 and slides out the housing 1.

Referring to fig. 2, the sliding assembly 5 includes a wheel frame 51, a rotating wheel 52 and a guide member 53, the rotating wheel 52 is horizontally rotatably connected to two opposite inner walls of the wheel frame 51, the guide member 53 is welded to two opposite side walls of the wheel frame 51, vertical guide slots 411 are respectively formed in two opposite side walls of the chamber 41, the guide member 53 is located in the guide slots 411, and under the action of the transmission assembly 6, the guide member 53 slides in the guide slots 411 in the vertical direction, so that a central line axis of the rotating wheel 52 is always in a vertical relationship with a length direction of the rail 7, and the threaded column 61 is rotatably connected to a top end of the wheel frame 51.

Referring to fig. 1 and 2, the track 7 is provided with a first chute 71 and a second chute 72, the second chute 72 is provided on the bottom surface of the first chute 71, and in the state that the sliding assembly 5 is located in the chamber 41, the bottom end of the bearing block 4 contacts with the bottom surface of the first chute 71, and at this time, the bearing block 4 plays a role in supporting the housing 1; in a state where the slide assembly 5 slides out of the chamber 41, the runner 52 contacts with the bottom surface of the second chute 72, and at this time, the bearing block 4 is separated from the chute surface of the first chute 71, and the runner 52 plays a supporting role for the housing 1.

Referring to fig. 3 and 4, the track 7 is formed by splicing a plurality of unit rail members 73, two sides of one end of the unit rail members 73 in the length direction are fixedly connected with horizontal extension members 731 respectively, the two sides of one end of the adjacent unit rail 73 are respectively provided with an extension groove 732 for the extension piece 731 to be embedded, the extension piece 731 is rotatably connected in the extension groove 732, the rotation axes of the extension piece 731 and the extension groove 732 are in a horizontal state and are perpendicular to the length direction of the unit rail 73, and in a normal operation state of the reboiler, the unit rail 73 can be rotated to a vertical state, so that occupied space is saved, and when the housing 1 needs to be moved, the unit rail 73 is rotated to a horizontal state again.

Referring to fig. 1 and 4, the unit rail 73 at the end of the rail 7 is provided with a positioning screw hole 33 horizontally provided on the side wall of the pillar 3, and the unit rail 73 is rotated to be vertical, and the positioning screw hole 33 and the positioning hole 733 are jointly provided with a positioning stud 32 to fix the unit rail 73 in the vertical state.

Referring to fig. 2, the track 7 is inserted with a bolt 741 for fixing to the ground, and the bottom surface of the second chute 72 is provided with a nut groove 74, i.e., the top end of the bolt 741 is not higher than the groove surface of the second chute 72, so that the runner 52 can move normally with the second chute 72. A reserved gap 742 is reserved between the circumferential inner wall of the nut groove 74 and the bolt 741, and if the track 7 needs to be disassembled, one end of the tightening bolt 741 tool can be placed in the reserved gap 742, so that the disassembling and assembling work of the bolt 741 is completed.

The embodiment of the utility model relates to a rectification reboiler for methyl tertiary butyl ether production, which adopts the implementation principle that:

In the normal operating state of the reboiler, the bearing block 4 is in normal contact with the rail 7, the bearing block 4 plays a supporting role on the housing 1, when the housing 1 needs to be moved, the unit rail 73 is rotated to a horizontal state, the sleeve 62 is rotated, the threaded column 61 moves in a vertical downward direction, the sliding assembly 5 moves in the vertical downward direction under the action of the threaded column 61 until the rotating wheel 52 extends out of the cavity 41 and the groove surface of the second sliding groove 72 is in contact, at this time, the bearing block 4 is separated from the groove surface of the first sliding groove 71, the rotating wheel 52 plays a supporting role on the housing 1, the housing 1 is moved to a preset position through the rotating wheel 52, the supporting time of the rotating wheel 52 is shortened, and the pulley block piece is protected.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The rectifying reboiler for producing methyl tertiary butyl ether is characterized by comprising a shell (1), wherein a horizontal connecting plate (2) is arranged at the bottom end of the shell (1), at least two groups of vertical struts (3) are arranged at the bottom of the connecting plate (2), bearing blocks (4) are respectively arranged at the bottom ends of the struts (3), and a track (7) is arranged at the bottom ends of the bearing blocks (4); a cavity (41) is formed in the bearing block (4), the cavity (41) penetrates through the top surface and the bottom surface of the bearing block (4), a sliding component (5) sliding along the vertical direction is arranged in the cavity (41), and a transmission component (6) for the sliding component (5) to move along the vertical direction is arranged in the support column (3);

The sliding component (5) comprises a wheel frame (51), a rotating wheel (52) and a guide piece (53), wherein the guide piece (53) is arranged on two opposite side walls of the wheel frame (51), vertical guide grooves (411) are respectively formed in two opposite side walls of the cavity (41), the guide piece (53) is positioned in the guide grooves (411), the rotating wheel (52) is horizontally connected to two opposite inner walls of the wheel frame (51) in a rotating mode, and the transmission component (6) is connected to the top end of the wheel frame (51);

The track (7) is provided with a first chute (71) and a second chute (72), the second chute (72) is arranged on the bottom surface of the first chute (71), the bottom end of the bearing block (4) is contacted with the bottom surface of the first chute (71) in the state that the sliding assembly (5) is positioned in the cavity (41), and the rotating wheel (52) is contacted with the bottom surface of the second chute (72) in the state that the sliding assembly (5) slides out of the cavity (41);

The track (7) is formed by splicing a plurality of unit track pieces (73), horizontal extension pieces (731) are respectively arranged on two sides of one end of the unit track pieces (73) in the length direction, extension grooves (732) in which the extension pieces (731) are embedded are respectively formed on two sides of one end of each adjacent unit track piece (73), and the extension pieces (731) are rotationally connected in the extension grooves (732).

2. The rectifying reboiler for methyl tertiary butyl ether production according to claim 1, wherein the transmission assembly (6) comprises a threaded column (61), a sleeve (62) and a ring plate (63), the ring plate (63) horizontally surrounds the inner wall of the sleeve (62), a ring groove (31) for embedding the ring plate (63) is formed in the circumferential side wall of the support column (3), the ring plate (63) is rotationally connected in the ring groove (31), threads matched with the threaded column (61) are formed in the circumferential inner wall of one end, far away from the ring plate (63), of the sleeve (62), the threaded column (61) is in threaded connection in the sleeve (62), one end, far away from the sleeve (62), of the threaded column (61) is rotationally connected to the top end of the wheel carrier (51), and the threaded column (61) is in a vertical state with the rotation axis of the wheel carrier (51).

3. The rectifying reboiler for methyl tertiary butyl ether production according to claim 1, wherein a unit rail member (73) positioned at the end of the rail (7) is provided with a positioning hole (733), the side wall of the support column (3) is provided with a horizontal positioning screw hole (33), and the positioning screw hole (33) and the positioning hole (733) are jointly provided with a positioning stud (32) in a penetrating manner when the unit rail member (73) rotates to a vertical state.

4. The rectifying reboiler for methyl tertiary butyl ether production according to claim 1, wherein the rail (7) is provided with a bolt (741) for fixing to the ground, a nut groove (74) is formed in the bottom surface of the second chute (72), and the top end of the bolt (741) is not higher than the groove surface of the second chute (72).

5. The rectifying reboiler for methyl tertiary butyl ether production according to claim 4, wherein a reserved gap (742) is left between the circumferential inner wall of the nut groove (74) and the bolt (741).