An adsorption drying tower for air separation equipment

Abstract

The invention discloses an adsorption drying tower for air separation equipment, and relates to the technical field of drying towers. The invention comprises a tower body, an air inlet pipe, an exhaust pipe, an upper adsorption frame, a lower adsorption frame and a manhole member, wherein the tower body comprises a tower bottom, a lower tower body, a middle tower body, an upper tower body and a tower top which are fixed in sequence from bottom to top, and the tower bottom and the tower top are both arc-shaped structures, and a desiccant filling port is provided at the top of the tower top, and a sewage pipe is connected at the axis of the bottom of the tower bottom. The invention divides the tower body into five parts, namely, a tower bottom, a lower tower body, a middle tower body, an upper tower body and a tower top, and at the same time, through the design of a half pipe opening, the air inlet pipe, the exhaust pipe and the manhole member are installed and made to give way, and can be positioned when the tower body is assembled, so as to facilitate the assembly of the drying tower, and at the same time, the air inlet pipe and the exhaust pipe are installed from top to bottom, and there is no interference during the installation process, so as to facilitate the assembly of the drying tower by the staff, and avoid the problem that the air inlet pipe and the exhaust pipe are curved pipe structures and are not conducive to installation and positioning.

Description

Technical Field

[0001] The invention belongs to the technical field of drying towers, and in particular relates to an adsorption drying tower for air separation equipment. Background Art

[0002] For the subsequent drying process of the air separation equipment, an adsorption drying tower can be used. However, due to the large size of the drying tower and the particularity of the air intake and exhaust pipes, such as the tower body end of the air intake and exhaust is the horizontal pipe end, and the end of the air intake pipe in the tower needs to extend to the bottom of the adsorption frame, the end of the exhaust pipe in the tower needs to extend to the top of the tower, and the air intake pipe and the exhaust pipe need to pass through the axis of the adsorption frame, which is not conducive to the positioning and installation of the air intake pipe and the exhaust pipe.

[0003] Similarly, due to its large size, the positioning and installation of the integral tower body and its components are not easy to operate, requiring a large space, and requiring a large number of tooling to cooperate. The assembly process is numerous and difficult to produce and process. The same problem of large size and difficulty in transportation will occur. Therefore, designing a drying tower that is easy to assemble is a problem that needs to be solved by the staff in this field. Summary of the invention

[0004] The purpose of the present invention is to provide an adsorption drying tower for an air separation device. The tower body is divided into five parts, namely, a tower bottom, a lower tower body, a middle tower body, an upper tower body and a tower top. At the same time, through the design of a half-pipe opening, an air inlet pipe, an exhaust pipe and a manhole are installed and made to give way. At the same time, the tower body can be positioned when the tower is assembled, which is convenient for assembling the drying tower. At the same time, the air inlet pipe and the exhaust pipe are installed from top to bottom without interference during the installation process, which is convenient for workers to assemble the drying tower and avoids the problem that the air inlet pipe and the exhaust pipe are bent pipe structures that are not conducive to installation and positioning. At the same time, the drying tower is divided into several modular parts, which is conducive to processing, production and transportation.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention is an adsorption drying tower for air separation equipment, comprising a tower body, an air inlet pipe, an exhaust pipe, an upper adsorption frame, a lower adsorption frame and a manhole; The tower body comprises a tower bottom, a lower tower body, a middle tower body, an upper tower body and a tower top which are fixed in sequence from bottom to top, the tower bottom and the tower top are both arc-shaped structures, and a desiccant filling port is provided at the top of the tower top; A sewage pipe is connected to the axis of the bottom of the tower, a liquid baffle plate is provided at the bottom of the tower bottom opposite to the sewage pipe, and a plurality of vertically arranged angle steels are fixed inside the tower bottom; The lower adsorption frame and the upper adsorption frame both include a mesh bed, the mesh bed of the lower adsorption frame is fixed to the top of a plurality of angle steels, and an axis opening is provided at the axis center of the mesh bed; The first and second half pipe openings of a semicircular structure are provided on both sides of the top edge of the lower tower body and both sides of the bottom edge of the middle tower body, and the third half pipe openings of a semicircular structure are provided on the top edge of the middle tower body and the bottom edge of the upper tower body; The air inlet pipe and the exhaust pipe are both composed of a transverse pipe, an elbow and a vertical pipe connected in sequence. The transverse pipe of the air inlet pipe passes through the first half of the pipe openings of the lower tower body and the middle tower body and is welded and fixed to the tower body. The vertical pipe of the air inlet pipe is arranged downward and passes through the axial opening of the lower adsorption frame. The manhole member passes through the second half of the pipe openings of the lower tower body and the middle tower body and is welded and fixed to the tower body. The transverse pipe of the exhaust pipe passes through the third half of the pipe openings of the middle tower body and the upper tower body and is welded and fixed to the tower body. The vertical pipe of the exhaust pipe is arranged upward. The upper adsorption frame is fixed to the bottom of the tower top, a filter cartridge cover is fixed to the top of the upper adsorption frame, the bottom end of the filter cartridge cover passes through the axial center opening, the bottom end of the filter cartridge cover fits with the top end of the vertical pipe of the exhaust pipe and a seal is provided therebetween.

[0006] Furthermore, a plurality of first reinforcing rods are fixed between the side surface of the elbow of the air inlet pipe and the middle tower body, and the plurality of first reinforcing rods are evenly distributed.

[0007] Furthermore, a plurality of second reinforcing rods are fixed between the peripheral side surface of the vertical pipe of the exhaust pipe and the upper tower body, and the plurality of second reinforcing rods are evenly distributed at intervals.

[0008] Furthermore, outer folded edges or flanges are provided at the top edge of the tower bottom, the edges at both ends of the lower tower body, the edges at both ends of the middle tower body, the edges at both ends of the upper tower body and the bottom edge of the tower top. Two adjacent outer folded edges are fixed by welding, and two adjacent flanges are fixed by a number of fasteners.

[0009] Furthermore, a group of lifting ears are fixed to the side surface of the lower tower body, the side surface of the middle tower body, the side surface of the upper tower body and the top of the tower, and the lifting ears are misaligned with the air inlet pipe, the exhaust pipe and the manhole member.

[0010] Furthermore, the liquid baffle plate comprises a cylinder body, a liquid baffle plate is provided on the top of the cylinder body, and a plurality of through openings are provided on the side surface of the cylinder body.

[0011] Furthermore, the upper adsorption frame and the lower adsorption frame also include a dense-pore mesh plate, the dense-pore mesh plate is fixed on the top of the mesh bed, and the upper surface of the dense-pore mesh plate is provided with adsorption filler.

[0012] Furthermore, a plurality of legs are fixed to the bottom of the tower bottom, flanges are provided at the bottom ends of the legs, and a grounding plate is fixed to the side surface of one of the legs.

[0013] Furthermore, the manhole member includes a flap at the outer end, and a viewing window is provided on the flap.

[0014] Furthermore, a plurality of spare pipe openings are provided at the top of the tower.

[0015] The present invention has the following beneficial effects: 1. The present invention divides the tower body into five parts: a tower bottom, a lower tower body, a middle tower body, an upper tower body and a tower top. At the same time, through the design of a half-pipe opening, the air inlet pipe, the exhaust pipe and the manhole can be installed and positioned when the tower body is assembled, which is convenient for assembling the drying tower. At the same time, the air inlet pipe and the exhaust pipe are installed from top to bottom without interference during the installation process, which is convenient for the staff to assemble the drying tower and avoids the problem of inconvenience for installation and positioning caused by the curved pipe structure of the air inlet pipe and the exhaust pipe. At the same time, the drying tower is divided into several modular parts, which is conducive to processing, production and transportation.

[0016] 2. The present invention adopts the design of a double-layer adsorption frame, and the gas can pass through two layers of adsorption materials and be output through the filter cartridge cover, which can greatly improve the adsorption capacity of the drying tower, thereby improving the drying efficiency.

[0017] 3. The present invention can improve the position stability of the air intake pipe and the exhaust pipe in the tower body through the design of the first reinforcing rod and the second reinforcing rod, thereby avoiding the problem of poor stability caused by the long length of the air intake pipe and the exhaust pipe in the tower body.

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

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

[0020] Figure 1 It is a structural schematic diagram of an air separation equipment adsorption drying tower of the present invention; Figure 2 It is a structural cross-sectional view of the present invention; Figure 3 It is a structural schematic diagram of the tower bottom and the lower adsorption frame; In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1-inlet pipe, 2-exhaust pipe, 3-upper adsorption frame, 4-lower adsorption frame, 5-manhole, 6-tower bottom, 7-lower tower body, 8-middle tower body, 9-upper tower body, 10-tower top, 11-filter cartridge cover, 12-first reinforcement rod, 13-second reinforcement rod, 14-lifting ear, 15-spare pipe mouth, 401-axial mouth, 601-drain pipe, 602-liquid baffle, 603-angle steel, 604-support leg, 605-grounding plate, 701-first half pipe mouth, 702-second half pipe mouth, 801-third half pipe mouth. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-3 As shown, the present invention is an adsorption drying tower for air separation equipment, comprising a tower body, an air inlet pipe 1, an exhaust pipe 2, an upper adsorption frame 3, a lower adsorption frame 4 and a manhole member 5; The tower body includes a tower bottom 6, a lower tower body 7, a middle tower body 8, an upper tower body 9 and a tower top 10 which are fixed in sequence from bottom to top. The tower bottom 6 and the tower top 10 are both arc-shaped structures, and a desiccant filling port is provided at the top of the tower top 10. A sewage pipe 601 is connected to the bottom axis of the tower bottom 6, a liquid baffle 602 is provided at the bottom of the tower bottom 6 opposite to the sewage pipe 601, and a plurality of vertically arranged angle steels 603 are fixed inside the tower bottom 6; The lower adsorption frame 4 and the upper adsorption frame 3 both include a mesh bed. The mesh bed of the lower adsorption frame 4 is fixed to the top of a plurality of angle steels 603. An axis opening 401 is provided at the axis of the mesh bed. Both sides of the top edge of the lower tower body 7 and both sides of the bottom edge of the middle tower body 8 are provided with a first half pipe opening 701 and a second half pipe opening 702 of a semicircular structure, and both sides of the top edge of the middle tower body 8 and the bottom edge of the upper tower body 9 are provided with a third half pipe opening 801 of a semicircular structure; The air inlet pipe 1 and the exhaust pipe 2 are both composed of a transverse pipe, an elbow and a vertical pipe connected in sequence. The transverse pipe of the air inlet pipe 1 penetrates the first half pipe opening 701 of the lower tower body 7 and the middle tower body 8 and is welded and fixed to the tower body. The vertical pipe of the air inlet pipe 1 is arranged downward and penetrates the axial opening 401 of the lower adsorption frame 4. The manhole member 5 penetrates the second half pipe opening 702 of the lower tower body 7 and the middle tower body 8 and is welded and fixed to the tower body. The transverse pipe of the exhaust pipe 2 penetrates the third half pipe opening 801 of the middle tower body 8 and the upper tower body 9 and is welded and fixed to the tower body. The vertical pipe of the exhaust pipe 2 is arranged upward. The upper adsorption frame 3 is fixed to the bottom of the tower top 10, and a filter cartridge cover 11 is fixed on the top of the upper adsorption frame 3. The bottom end of the filter cartridge cover 11 passes through the axial center opening 401, and the bottom end of the filter cartridge cover 11 fits with the top end of the vertical pipe of the exhaust pipe 2 and a seal is provided therebetween.

[0023] Among them Figure 2 As shown, a plurality of first reinforcing rods 12 are fixed between the side surface of the elbow of the air inlet pipe 1 and the middle tower body 8, and the plurality of first reinforcing rods 12 are evenly distributed.

[0024] Among them Figure 2As shown, a plurality of second reinforcing rods 13 are fixed between the side surface of the vertical pipe of the exhaust pipe 2 and the upper tower body 9, and the plurality of second reinforcing rods 13 are evenly distributed at intervals.

[0025] Among them Figure 1-2 As shown, outer folded edges or flanges are provided at the top edge of the tower bottom 6, the edges at both ends of the lower tower body 7, the edges at both ends of the middle tower body 8, the edges at both ends of the upper tower body 9 and the bottom edge of the tower top 10. Two adjacent outer folded edges are fixed by welding, and two adjacent flanges are fixed by a number of fasteners.

[0026] Among them Figure 1-2 As shown, a group of lifting ears 14 are fixed to the side surfaces of the lower tower body 7, the side surfaces of the middle tower body 8, the side surfaces of the upper tower body 9 and the top of the tower top 10, and the lifting ears 14 are misaligned with the air inlet pipe 1, the exhaust pipe 2 and the manhole member 5.

[0027] Among them Figure 2 As shown, the liquid baffle plate 602 includes a cylinder body, a liquid baffle plate is provided on the top of the cylinder body, and a plurality of through openings are provided on the side surface of the cylinder body.

[0028] The upper adsorption frame 3 and the lower adsorption frame 4 further include a dense mesh plate, which is fixed on the top of the mesh bed, and an adsorption filler is arranged on the upper surface of the dense mesh plate.

[0029] Among them Figure 1-2 As shown, a plurality of legs 604 are fixed to the bottom of the tower base 6 , flanges are provided at the bottom ends of the legs 604 , and a grounding plate 605 is fixed to the side surface of one of the legs 604 .

[0030] The manhole member 5 includes a flip cover at the outer end, and a viewing window is provided on the flip cover.

[0031] Among them Figure 1-2 As shown, a plurality of spare pipe openings 15 are provided at the top of the tower top 10 .

[0032] The working principle of the present invention is as follows: when the drying tower is assembled, the tower bottom 6 (equipped with a liquid baffle 602, an angle steel 603 and a lower adsorption frame 4) is positioned and installed first. After the tower bottom 6 is installed in place, the lower tower body 7 is hoisted to the top of the tower bottom 6 to position and fix the lower tower body 7 and the tower bottom 6. After the lower tower body 7 is fixed, the air inlet pipe 1 and the manhole member 5 are positioned from top to bottom along with the positioning of the first half pipe opening 701, the second half pipe opening 702 and the axial opening 401. After the position is determined, the air inlet pipe 1 and the manhole member 5 are fixed to the lower tower body 7. After the fastening is completed, the position of the middle tower body 8 is determined by hoisting and accompanying the positioning of the air inlet pipe 1 and the manhole member 5, and the middle tower body 8 is fixed. 8 and the lower tower body 7 are fixed, and after the fixation is completed, the air inlet pipe 1 and the manhole piece 5 are welded and fixed to the middle tower body 8. After welding is completed, the first reinforcing rod 12 is installed, and the upper tower body 9 (with the exhaust pipe 2 and the second reinforcing rod 13) is transferred to the top of the middle tower body 8 by hoisting. The third half pipe opening 801 can play a positioning role. After the position is determined, the upper tower body 9 and the middle tower body 8 are fixed, and finally the tower top 10 is positioned and installed. After the tower top 10 and the upper tower body 9 are installed, the filter cartridge cover 11 is connected to the top of the vertical pipe of the exhaust pipe 2 and sealed, and the drying tower assembly is completed. Finally, the desiccant and other adsorbents are loaded on the upper adsorption frame 3 and the lower adsorption frame 4 respectively through the desiccant filling inlet and the manhole piece 5.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An air separation equipment adsorption drying tower, characterized in that: It comprises a tower body, an air inlet pipe (1), an exhaust pipe (2), an upper adsorption frame (3), a lower adsorption frame (4) and a manhole member (5); The tower body comprises a tower bottom (6), a lower tower body (7), a middle tower body (8), an upper tower body (9) and a tower top (10) which are fixed in sequence from bottom to top, the tower bottom (6) and the tower top (10) are both arc-shaped structures, and a desiccant filling port is provided at the top of the tower top (10); A sewage pipe (601) is connected to the axis of the bottom of the tower bottom (6), a liquid baffle (602) is provided at the bottom of the tower bottom (6) and is opposite to the sewage pipe (601), and a plurality of vertically arranged angle steels (603) are fixed inside the tower bottom (6); The lower adsorption frame (4) and the upper adsorption frame (3) both comprise a mesh bed, the mesh bed of the lower adsorption frame (4) is fixed to the top of a plurality of angle steels (603), and an axis opening (401) is provided at the axis center of the mesh bed; Both sides of the top edge of the lower tower body (7) and both sides of the bottom edge of the middle tower body (8) are provided with a first half pipe opening (701) and a second half pipe opening (702) of a semicircular structure, and both sides of the top edge of the middle tower body (8) and the bottom edge of the upper tower body (9) are provided with a third half pipe opening (801) of a semicircular structure; The air intake pipe (1) and the exhaust pipe (2) are both composed of a transverse pipe, an elbow and a vertical pipe connected in sequence; the transverse pipe of the air intake pipe (1) penetrates the first half pipe openings (701) of the lower tower body (7) and the middle tower body (8) and is welded and fixed to the tower body; the vertical pipe of the air intake pipe (1) is arranged downward and penetrates the axial opening (401) of the lower adsorption frame (4); the manhole member (5) penetrates the second half pipe openings (702) of the lower tower body (7) and the middle tower body (8) and is welded and fixed to the tower body; the transverse pipe of the exhaust pipe (2) penetrates the third half pipe openings (801) of the middle tower body (8) and the upper tower body (9) and is welded and fixed to the tower body; and the vertical pipe of the exhaust pipe (2) is arranged upward; The upper adsorption frame (3) is fixed to the inner bottom of the tower top (10), and a filter cartridge cover (11) is fixed to the top of the upper adsorption frame (3). The bottom end of the filter cartridge cover (11) passes through the axial center opening (401), and the bottom end of the filter cartridge cover (11) fits with the top end of the vertical pipe of the exhaust pipe (2), and a seal is provided therebetween.

2. The air separation equipment adsorption drying tower according to claim 1, characterized in that: A plurality of first reinforcing rods (12) are fixed between the side surface of the elbow of the air inlet pipe (1) and the middle tower body (8), and the plurality of first reinforcing rods (12) are evenly spaced and distributed.

3. The air separation equipment adsorption drying tower according to claim 1, characterized in that: A plurality of second reinforcing rods (13) are fixed between the side surface of the vertical pipe of the exhaust pipe (2) and the upper tower body (9), and the plurality of second reinforcing rods (13) are evenly spaced and distributed.

4. The air separation plant adsorption drying tower according to claim 1, characterized in that: The top edge of the tower bottom (6), the edges at both ends of the lower tower body (7), the edges at both ends of the middle tower body (8), the edges at both ends of the upper tower body (9) and the bottom edge of the tower top (10) are all provided with outer folded edges or flanges, and two adjacent outer folded edges are fixed by welding, and two adjacent flanges are fixed by a plurality of fasteners.

5. The air separation plant adsorption drying tower according to claim 1, characterized in that: A group of lifting ears (14) are fixed to the side surfaces of the lower tower body (7), the side surfaces of the middle tower body (8), the side surfaces of the upper tower body (9) and the top of the tower top (10), and the lifting ears (14) are misaligned with the air inlet pipe (1), the exhaust pipe (2) and the manhole member (5).

6. The air separation plant adsorption drying tower according to claim 1, characterized in that: The liquid blocking plate (602) comprises a barrel body, a liquid blocking plate is provided at the top of the barrel body, and a plurality of through openings are provided on the side surface of the barrel body.

7. The air separation plant adsorption drying tower according to claim 1, characterized in that: The upper adsorption frame (3) and the lower adsorption frame (4) further comprise a dense-pore mesh plate, the dense-pore mesh plate being fixed on the top of the mesh bed, and an adsorption filler being provided on the upper surface of the dense-pore mesh plate.

8. The air separation plant adsorption drying tower according to claim 1, characterized in that: A plurality of legs (604) are fixed to the bottom of the tower bottom (6), flanges are provided at the bottom ends of the legs (604), and a grounding plate (605) is fixed to the side surface of one of the legs (604).

9. The air separation plant adsorption drying tower according to claim 1, characterized in that: The manhole member (5) comprises a flip cover at the outer end, and a viewing window is provided on the flip cover.

10. The air separation plant adsorption drying tower according to claim 1, characterized in that: The top of the tower top (10) is provided with a plurality of spare pipe openings (15).

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