Ejector assembly of distillation tower vacuum system

Abstract

The utility model relates to the technical field of distillation towers, in particular to a distillation tower vacuum system ejector assembly which comprises a distillation tower, and an ejector assembly is arranged on the inner side of the bottom of the distillation tower. The spraying assembly comprises a bent pipe, the bent pipe is fixedly installed on the side wall of the distillation tower and penetrates through the side wall of the distillation tower, a rotating disc is arranged on the upper side of the inner side end of the bent pipe, a fixing ring sleeve is fixedly installed on the inner side of the rotating disc, and a top disc is rotatably installed on the inner side of the fixing ring sleeve; a plurality of lateral connecting columns are fixedly connected between the supporting column and the inner wall of the upper side of the bent pipe, and a plurality of three-dimensional arc-shaped bent pipes are embedded in the inner side of the rotating disc and distributed at equal intervals along the circumference of the rotating disc. According to the utility model, the jet assembly is arranged, so that a plurality of airflows jetted by the plurality of three-dimensional arc-shaped bent pipes are rotated and mixed upwards in a plurality of cyclones at the bottom of the distillation tower, and the gas jetted into the distillation tower is fully mixed, so that the condensation and liquefaction efficiency of subsequent components is improved, and the practicability is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to distillation tower technical field especially relates to a distillation tower vacuum system ejector assembly. BACKGROUND

[0002] In the vacuum system of distillation tower, the ejector is an important component, its function is through the high-speed fluid of vacuum air pump and sprays into the distillation tower, the distillation tower is used to mix the gas of injection, subsequent discharge carries out and utilizes the liquefaction temperature difference of different component gas to separate each component gas.

[0003] The ejector assembly in prior art adopts straight injection type design, is not favorable to the uniform mixing of the gas in the distillation tower, influences the liquefaction separation effect of subsequent gas, in order to improve the production efficiency of subsequent condensation liquefaction, we propose a distillation tower vacuum system ejector assembly. UTILITY MODEL CONTENT

[0004] The utility model discloses a distillation tower vacuum system ejector assembly that solves the technical problems in the prior art.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of distillation tower vacuum system ejector assembly, including distillation tower, the inside of distillation tower bottom is provided with injection assembly;The injection assembly includes elbow pipe, the elbow pipe is fixedly installed on distillation tower side wall and the elbow pipe penetrates distillation tower side wall, the inside upper side of the elbow pipe is provided with rotary table, the inside of rotary table is fixedly installed with fixed ring sleeve, the inside of fixed ring sleeve is rotatably installed with top disc, the bottom of top disc is fixedly installed with support column, the support column and the inside wall of elbow pipe upper side are fixedly connected with several lateral connecting columns, the inside of rotary table is embedded with several three-dimensional arc elbow pipes, several three-dimensional arc elbow pipes are equidistantly distributed along the circumference of rotary table.

[0007] Further, the fixed ring sleeve and the outer wall of top disc are embedded with several ball bearings.

[0008] Further, the three-dimensional arc elbow pipe is arranged in a curved arc in the horizontal direction.

[0009] Further, a sealing ring is provided between the outer wall of the support column and the rotary table, and a sealing ring is provided between the bottom of the rotary table and the upper end of the elbow pipe.

[0010] Further, a vacuum pump is provided on the left side of the distillation tower, gas inlet pipes and gas outlet pipes are fixedly installed on both sides of the vacuum pump, a valve is fixedly installed on the upper side of the gas inlet pipe, and a connecting flange is fixedly installed on the right side end of the gas inlet pipe.

[0011] Further, the outside end of the elbow pipe is fixedly installed with a butt joint ring, which is screwed with the connecting flange.

[0012] Further, the upper side of the distillation tower is fixedly connected with an air outlet pipe, the upper side of the air outlet pipe is fixedly installed with an electromagnetic valve, and the side wall of the distillation tower is fixedly installed with a controller and an air pressure gauge.

[0013] Further, the bottom of the distillation tower is screwedly installed with a bottom plate, the bottom of the bottom plate is provided with a plurality of bottom support assemblies, the bottom support assembly comprises a supporting cylinder, the bottom of the supporting cylinder is fixedly installed with a gasket ring, the two sides of the supporting cylinder are respectively provided with a torsion hole and an observation hole, the supporting cylinder is fixedly installed at the bottom of the bottom plate, and the supporting cylinder installation position is aligned with the screwing position of the bottom plate.

[0014] Compared with the related art, the distillation tower vacuum system ejector assembly has the following beneficial effects:

[0015] In the distillation tower vacuum system ejector assembly, the mixed gas to be separated is injected into the elbow pipe by the vacuum pump, when the gas flows out from the upper side port of the elbow pipe, the gas flows out from the plurality of three-dimensional arc-shaped elbow pipes to the outside of the rotating disc, the three-dimensional arc-shaped elbow pipe generates a lateral torsion force when the high-speed airflow passes through the three-dimensional arc-shaped elbow pipe, and the rotating disc is driven to rotate, so that the gas flow sprayed from the plurality of three-dimensional arc-shaped elbow pipes rotates and mixes upward at the bottom of the distillation tower, the gas sprayed into the distillation tower is fully mixed, and the condensation and liquefaction efficiency of subsequent components is improved, thereby improving the practicability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective structure schematic view of the distillation tower vacuum system ejector assembly;

[0017] Figure 2 It is a perspective disassembly structure schematic view of the distillation tower vacuum system ejector assembly;

[0018] Figure 3 It is a perspective structure schematic view of the bottom support assembly;

[0019] Figure 4 It is a perspective structure schematic view of the spray assembly Figure 1 ;

[0020] Figure 5 It is a perspective structure schematic view of the spray assembly Figure 2 ;

[0021] Figure 6 It is a perspective sectional structure schematic view of the spray assembly;

[0022] Figure 7 It is a schematic view of the three-dimensional arc-shaped elbow pipe.

[0023] In the figure: 1, vacuum pump; 2, gas conveying pipe; 3, valve; 4, gas inlet pipe; 5, connecting flange; 6, distillation column; 7, ejector assembly; 71, elbow pipe; 72, butt joint ring; 73, rotating disc; 74, support column; 75, lateral connecting column; 76, sealing ring; 77, sealing ring; 78, three-dimensional arc-shaped elbow pipe; 79, top disc; 710, fixed ring sleeve; 711, ball; 8, bottom plate; 9, bottom support assembly; 91, supporting cylinder; 92, grommet; 93, twisted hole; 94, observation port; 10, controller; 11, air pressure gauge; 12, gas outlet pipe; 13, electromagnetic valve. DETAILED DESCRIPTION

[0024] The utility model will be further described below in combination with the drawings and embodiments.

[0025] Reference Figures 1-7 A distillation column vacuum system ejector assembly: including distillation column 6, the inside of the bottom of distillation column 6 is provided with ejector assembly 7;Ejector assembly 7 includes elbow pipe 71, elbow pipe 71 is fixedly installed on the side wall of distillation column 6 and elbow pipe 71 penetrates the side wall of distillation column 6, the inside upper side of elbow pipe 71 is provided with rotating disc 73, rotating disc 73 is fixedly installed with fixed ring sleeve 710 in the inside, fixed ring sleeve 710 is rotatably installed with top disc 79 in the inside, top disc 79 is fixedly installed with support column 74 at the bottom, support column 74 is fixedly connected with a plurality of lateral connecting columns 75 between the upper inner wall of elbow pipe 71, rotating disc 73 is embedded with a plurality of three-dimensional arc-shaped elbow pipes 78 in the inside, a plurality of three-dimensional arc-shaped elbow pipes 78 are distributed along the circumference of rotating disc 73 equidistantly.

[0026] In the mode, the left side of distillation column 6 is provided with vacuum pump 1, and the left and right sides of vacuum pump 1 are fixedly installed with gas conveying pipe 2 and gas inlet pipe 4, the upper side of gas conveying pipe 2 is fixedly installed with valve 3, the right side end of gas inlet pipe 4 is fixedly installed with connecting flange 5, the outside end of elbow pipe 71 is fixedly installed with butt joint ring 72, and butt joint ring 72 is screwed with connecting flange 5.

[0027] Through the above-mentioned mode, vacuum pump 1 is sucked into its working chamber through gas conveying pipe 2, and then injected into elbow pipe 71 through gas inlet pipe 4, and then mixed into distillation column 6 through elbow pipe 71.

[0028] In the mode, a plurality of balls 711 are embedded between the outer wall of fixed ring sleeve 710 and top disc 79.

[0029] Through the above-mentioned mode, the setting of ball 711 reduces the friction loss between fixed ring sleeve 710 and top disc 79.

[0030] In the mode, the three-dimensional arc-shaped elbow pipe 78 is horizontally arranged in an arc shape.

[0031] Through the above-mentioned mode, when the gas is sprayed from the three-dimensional arc-shaped elbow pipe 78, a lateral torsion force is applied to the three-dimensional arc-shaped elbow pipe 78, and the rotating disc 73 is driven to rotate.

[0032] In the mode, the sealing ring 76 is arranged between the outer wall of the support column 74 and the rotating disc 73, and the sealing ring 77 is arranged between the bottom of the rotating disc 73 and the upper side port of the elbow pipe 71.

[0033] Through the above-mentioned mode, the sealing ring 76 guarantees the rotating sealing property between the outer wall of the support column 74 and the rotating disc 73, and the sealing ring 77 guarantees the sealing property between the bottom of the rotating disc 73 and the upper side port of the elbow pipe 71.

[0034] In the mode, the gas outlet pipe 12 is fixedly connected to the upper side of the distillation tower 6, the electromagnetic valve 13 is fixedly installed on the upper side of the gas outlet pipe 12, and the controller 10 and the gas pressure gauge 11 are fixedly installed on the side wall of the distillation tower 6.

[0035] Through the above-mentioned mode, the gas pressure gauge 11 is used to monitor the gas pressure in the distillation tower 6.

[0036] In the mode, the bottom plate 8 is screw-connected and installed at the bottom of the distillation tower 6, and the bottom plate 8 is provided with a plurality of bottom support assemblies 9.

[0037] Through the above-mentioned mode, the grommet 92 improves the corrosion resistance of the support cylinder 91, and the support cylinder 91 installation point is aligned with the screw connection point of the bottom plate 8.

[0038] The working principle of the distillation tower vacuum system ejector assembly provided by the utility model is as follows:

[0039] In use, the vacuum pump 1 is started, and the vacuum pump 1 sucks the mixed gas to be separated into its working chamber through the gas inlet pipe 2, and then discharges the gas into the elbow pipe 71 through the gas inlet pipe 4, at this time, the valve 3 can control the flow and flow rate of the gas, when the mixed gas flows from the elbow pipe 71, due to the structure design of the rotating disc 73 on the upper side of the inner end of the elbow pipe 71 and the three-dimensional arc-shaped elbow pipe 78 installed thereon, when the gas flows out from the upper side of the elbow pipe 71, it will flow out from the three-dimensional arc-shaped elbow pipe 78 to the outside of the rotating disc 73, due to the horizontal arc-shaped arrangement of the three-dimensional arc-shaped elbow pipe 78, when the high-speed gas flow passes through the three-dimensional arc-shaped elbow pipe 78, it will generate a lateral torsion on the three-dimensional arc-shaped elbow pipe 78, and this torsion will push the rotating disc 73 to rotate around the support 74, in the rotating process, the gas flow sprayed from the three-dimensional arc-shaped elbow pipe 78 rotates upward in the form of several cyclones at the bottom of the distillation tower 6, so that the gas sprayed into the distillation tower 6 is fully mixed, the controller 10 can maintain the stable gas pressure in the distillation tower 6 by controlling the opening and closing of the electromagnetic valve 13 and adjusting the working parameters (such as power, rotating speed, etc.) of the vacuum pump 1 (if the vacuum pump has corresponding adjustable functions), the fully mixed gas is separated in the distillation tower 6 according to the differences in the liquefaction temperatures of each component gas, and the separated gas is discharged through the gas outlet pipe 12, and the electromagnetic valve 13 controls the discharge time and flow of the gas.

[0040] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation according to the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. An ejector assembly for a distillation column vacuum system, characterized in that, It includes a distillation column (6), and a spray assembly (7) is provided on the inner side of the bottom of the distillation column (6); The injection assembly (7) includes a bend (71), which is fixedly installed on the side wall of the distillation column (6) and penetrates the side wall of the distillation column (6). A turntable (73) is provided on the upper side of the inner end of the bend (71). A fixing ring (710) is fixedly installed on the inner side of the turntable (73). A top plate (79) is rotatably installed on the inner side of the fixing ring (710). A support column (74) is fixedly installed at the bottom of the top plate (79). A plurality of lateral connecting columns (75) are fixedly connected between the support column (74) and the upper inner wall of the bend (71). A plurality of three-dimensional arc-shaped bends (78) are embedded in the inner side of the turntable (73). The plurality of three-dimensional arc-shaped bends (78) are equidistantly distributed along the circumference of the turntable (73).

2. The ejector assembly for a distillation column vacuum system according to claim 1, characterized in that, A number of balls (711) are embedded between the fixing ring (710) and the outer wall of the top plate (79).

3. The ejector assembly for a distillation column vacuum system according to claim 1, characterized in that, The three-dimensional arc-shaped bend (78) is set in an arc in the horizontal direction.

4. The ejector assembly for a distillation column vacuum system according to claim 1, characterized in that, A sealing ring (76) is provided between the outer wall of the support column (74) and the turntable (73), and a sealing ring (77) is provided between the bottom of the turntable (73) and the upper port of the bend (71).

5. The ejector assembly for a distillation column vacuum system according to claim 1, characterized in that, A vacuum pump (1) is provided on the left side of the distillation column (6). A gas supply pipe (2) and an inlet pipe (4) are fixedly installed on both sides of the vacuum pump (1). A valve (3) is fixedly installed on the upper side of the gas supply pipe (2). A connecting flange (5) is fixedly installed on the right side of the inlet pipe (4).

6. The ejector assembly for a distillation column vacuum system according to claim 1, characterized in that, A docking ring (72) is fixedly installed on the outer end of the bend (71), and the docking ring (72) is screwed to the connecting flange (5).

7. The ejector assembly for a distillation column vacuum system according to claim 1, characterized in that, An outlet pipe (12) is fixedly connected to the upper side of the distillation column (6). A solenoid valve (13) is fixedly installed on the upper side of the outlet pipe (12). A controller (10) and a pressure gauge (11) are fixedly installed on the side wall of the distillation column (6).

8. The ejector assembly for a distillation column vacuum system according to claim 1, characterized in that, The bottom of the distillation column (6) is screwed onto a base plate (8). Several base support assemblies (9) are provided at the bottom of the base plate (8). Each base support assembly (9) includes a support cylinder (91). A washer (92) is fixedly installed at the bottom of the support cylinder (91). Torque holes (93) and observation ports (94) are respectively opened on both sides of the support cylinder (91). The support cylinder (91) is fixedly installed at the bottom of the base plate (8). The installation point of the support cylinder (91) is aligned with the screw connection point of the base plate (8).

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