Methanol waste liquid closed recovery device

Abstract

The utility model discloses a methanol waste liquid closed recovery device, which belongs to the field of methanol waste liquid and comprises a tank body, a cover body arranged at the top of the tank body, the tank body and the cover body are fixedly connected through a plurality of bolts, a feed valve is fixedly connected to the left side wall of the tank body, the inside of the tank body is communicated with the feed valve, and a liquid inlet valve is fixedly connected to the top of the cover body. The right side of the bottom of the tank body is communicated with a discharging valve, an impurity removal assembly is arranged on the upper portion of an inner cavity of the tank body, and a stirring mechanism is arranged at the bottom of the tank body, penetrates through the bottom of the tank body and is connected with the impurity removal assembly; the impurity removing assembly comprises a mounting ring, the outer wall of the mounting ring is fixedly connected to the upper portion of the inner wall of the tank body, and the top of the mounting ring is fixedly connected to the bottom of a bearing which is a plane sealing bearing.

Description

Technical Field

[0001] The utility model belongs to the field of methanol waste liquid, and specifically relates to a closed recovery device for methanol waste liquid. Background Art

[0002] Methanol waste liquid usually contains certain impurities. The existing closed recovery device for methanol waste liquid usually adopts a static treatment method to treat impurities in methanol waste liquid. The methanol waste liquid naturally passes through the through holes on the sieve plate to complete solid-liquid separation. Since the single liquid throughput of the sieve plate is fixed, this method will greatly reduce the efficiency of methanol waste liquid treatment when dealing with a large flow of methanol waste liquid. Utility Model Content

[0003] In view of one or more of the above defects or improvement requirements of the prior art, the utility model provides a closed recovery device for methanol waste liquid.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a closed recovery device for methanol waste liquid, comprising a tank body, a cover body on the top of the tank body, the tank body and the cover body are fixedly connected by a plurality of bolts, a feed valve is fixedly connected to the left wall of the tank body, the inside of the tank body is communicated with the feed valve, a liquid inlet valve is fixedly connected to the top of the cover body, the inside of the tank body is communicated with the liquid inlet valve, a discharge valve is connected to the right side of the bottom of the tank body, a de-impurity component is arranged on the upper part of the inner cavity of the tank body, a stirring mechanism is arranged on the bottom of the tank body, the stirring mechanism runs through the bottom of the tank body and is connected to the de-impurity component:

[0005] The impurity removal component includes a mounting ring, the outer wall of the mounting ring is fixedly connected to the upper inner wall of the tank body, the top of the mounting ring is fixedly connected to the bottom of the bearing, the bearing is a flat sealed bearing, the top of the bearing is fixedly connected with a swivel, the swivel is fixedly sleeved on the top edge of the outer wall of the screen barrel, and the mounting ring and the outer wall of the screen barrel are clearance-matched.

[0006] The stirring mechanism includes a servo motor and a connecting rod. The servo motor is fixedly connected to the middle part of the lower end of the tank body. The connecting rod is located inside the tank body. The top end of the connecting rod is fixedly connected to the bottom of the sieve barrel. The bottom end of the connecting rod passes through the bottom of the tank body and is rotatably connected to the tank body through a sealed bearing. The bottom end of the connecting rod is fixedly connected to the output shaft of the servo motor. A plurality of stirring rods are fixedly connected to the outer wall of the connecting rod.

[0007] The bottom of the cover body and the upper outer wall of the tank body are fixed with a sleeve flange, and the upper and lower flanges are fitted together and fixed by screws.

[0008] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0009] The utility model discloses a closed recovery device for methanol waste liquid, which separates impurities in the waste liquid by centrifugation. Compared with the prior art, it greatly improves the efficiency of separating impurities from the waste liquid. Since the screen barrel and the stirring rod are both driven by a connecting rod and a servo motor, it saves more energy consumption during use compared with a separate driving method. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 It is a schematic diagram of the cross-sectional structure of the tank body of the utility model.

[0012] In all the drawings, the same figure numbers represent the same technical features, specifically: 1. tank body; 2. cover body; 3. bolts; 4. feed valve; 5. liquid inlet valve; 6. discharge valve; 7. impurity removal component; 71. mounting ring; 72. bearing; 73. swivel; 74. screen barrel; 8. stirring mechanism; 81. servo motor; 82. connecting rod; 83. sealed bearing; 84. stirring rod; 9. flange. DETAILED DESCRIPTION

[0013] Depend on Figure 1-2 As shown, a closed methanol waste liquid recovery device comprises a tank body 1, a cover body 2 is provided on the top of the tank body 1, the tank body 1 and the cover body 2 are fixedly connected by a plurality of bolts 3, a feed valve 4 is fixedly connected to the left wall of the tank body 1, the inside of the tank body 1 is communicated with the feed valve 4, a liquid inlet valve 5 is fixedly connected to the top of the cover body 2, the inside of the tank body 1 is communicated with the liquid inlet valve 5, a discharge valve 6 is communicated with the right side of the bottom of the tank body 1, a de-impurity component 7 is provided on the upper part of the inner cavity of the tank body 1, a stirring mechanism 8 is provided at the bottom of the tank body 1, the stirring mechanism 8 runs through the bottom of the tank body 1 and is connected to the de-impurity component 7;

[0014] The impurity removal component 7 includes a mounting ring 71, the outer wall of the mounting ring 71 is fixedly connected to the upper part of the inner wall of the tank body 1, the top of the mounting ring 71 is fixedly connected to the bottom of the bearing 72, the bearing 72 is a flat sealing bearing, the top of the bearing 72 is fixedly connected with a swivel 73, the swivel 73 is fixedly sleeved on the top edge of the outer wall of the sieve barrel 74, and the mounting ring 71 and the outer wall of the sieve barrel 74 are clearance-matched.

[0015] The stirring mechanism 8 includes a servo motor 81 and a connecting rod 82. The servo motor 81 is fixedly connected to the middle part of the lower end of the tank body 1. The connecting rod 82 is located inside the tank body 1. The top of the connecting rod 82 is fixedly connected to the bottom of the sieve barrel 74. The bottom end of the connecting rod 82 passes through the bottom of the tank body 1 and is rotatably connected to the tank body 1 through a sealed bearing 83. The bottom end of the connecting rod 82 is fixedly connected to the output shaft of the servo motor 81. A plurality of stirring rods 84 are fixedly connected to the outer wall of the connecting rod 82.

[0016] The bottom of the cover body 2 and the upper outer wall of the tank body 1 are fixedly connected with a flange 9, and the upper and lower flanges 9 are fitted together and fixed by screws. The screw fixing connection of the upper and lower flanges 9 is an existing fixed connection method, and other existing technical methods can also be used to fix the upper and lower flanges 9.

[0017] The utility model of the methanol waste liquid closed recovery device, when it is needed to be used, the servo motor 81 is powered on and turns on and drives the connecting rod 82, the stirring rod 84 and the sieve barrel 74 to rotate in sequence, and the methanol waste liquid enters the tank body 1 through the liquid inlet valve 5 and falls into the sieve barrel 74, the rotating sieve barrel 74 will drive the methanol waste liquid to rotate at high speed and throw out the liquid part of the waste liquid through the generated centrifugal force, and the impurities in the waste liquid are intercepted in the sieve barrel 74, and the impurities in the waste liquid are separated by centrifugation. Compared with the prior art, the efficiency of separating the waste liquid impurities is greatly improved, and the thrown waste liquid falls to the bottom of the tank body 1 under the action of gravity, and the external treatment liquid enters the tank body 1 through the feed valve 4 and is mixed with the waste liquid under the action of the stirring rod 84, and then the waste liquid is processed before recovery. After the processing is completed, it can be discharged through the discharge valve 6, and the sieve barrel 74 and the stirring rod 84 are driven by the connecting rod 82 and the servo motor 81, which saves more energy consumption when used compared with a separate driving method.

Claims

1. A closed methanol waste liquid recovery device, comprising a tank body (1), characterized in that: The tank body (1) has a cover body (2) on the top, the tank body (1) and the cover body (2) are fixedly connected by a plurality of bolts (3), the left side wall of the tank body (1) is fixedly connected to a feed valve (4), the interior of the tank body (1) is connected to the feed valve (4), the top of the cover body (2) is fixedly connected to a liquid inlet valve (5), the interior of the tank body (1) is connected to the liquid inlet valve (5), the right side of the bottom of the tank body (1) is connected to a discharge valve (6), the upper part of the inner cavity of the tank body (1) is provided with an impurity removal component (7), the bottom of the tank body (1) is provided with a stirring mechanism (8), the stirring mechanism (8) passes through the bottom of the tank body (1) and is connected to the impurity removal component (7); The impurity removal component (7) comprises a mounting ring (71), the outer wall of the mounting ring (71) is fixedly connected to the upper part of the inner wall of the tank body (1), the top of the mounting ring (71) is fixedly connected to the bottom of a bearing (72), the bearing (72) is a plane sealing bearing, the top of the bearing (72) is fixedly connected to a swivel (73), the swivel (73) is fixedly sleeved on the top edge of the outer wall of the sieve barrel (74), and the mounting ring (71) and the outer wall of the sieve barrel (74) are clearance-matched.

2. The closed methanol waste liquid recovery device according to claim 1, characterized in that: The stirring mechanism (8) comprises a servo motor (81) and a connecting rod (82), wherein the servo motor (81) is fixedly connected to the middle part of the lower end of the tank body (1), the connecting rod (82) is located inside the tank body (1), the top end of the connecting rod (82) is fixedly connected to the bottom of the sieve barrel (74), the bottom end of the connecting rod (82) passes through the bottom of the tank body (1) and is rotatably connected to the tank body (1) via a sealing bearing (83), the bottom end of the connecting rod (82) is fixedly connected to the output shaft of the servo motor (81), and a plurality of stirring rods (84) are fixedly connected to the outer wall of the connecting rod (82).

3. The closed methanol waste liquid recovery device according to claim 1, characterized in that: The bottom of the cover body (2) and the upper outer wall of the tank body (1) are fixedly connected with a flange (9), and the upper and lower flanges (9) are fitted together and fixed by screws.

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