CN218980491U

CN218980491U - Condensing dimethyl ether recovery device for dimethyl ether loading and unloading place

Info

Publication number: CN218980491U
Application number: CN202223332973.4U
Authority: CN
Inventors: 夏旭东; 龚英俊
Original assignee: Jiangsu Lee and Man Chemical Co Ltd
Current assignee: Jiangsu Lee and Man Chemical Co Ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-09
Anticipated expiration: 2032-12-13

Abstract

The utility model belongs to the technical field of dimethyl ether recovery devices, in particular to a condensing type dimethyl ether recovery device for a dimethyl ether loading and unloading place, aiming at the problem that the purity of dimethyl ether is easy to reduce in the prior art, the condensing type dimethyl ether recovery device comprises a condensing box, a refrigerator is arranged on one side of the condensing box, a gas storage tank is arranged above the condensing box, a compressor is arranged on the gas storage tank, an exhaust gas inlet pipe is arranged on the compressor, a detachable filter screen is arranged in the exhaust gas inlet pipe, a dimethyl ether collecting tank is arranged below the condensing box, a motor is arranged on one side of the condensing box, a rotary rod is fixedly arranged on an output shaft of the motor, and a gas stirring mechanism is arranged in the condensing box.

Description

Condensing dimethyl ether recovery device for dimethyl ether loading and unloading place

Technical Field

The utility model relates to the technical field of dimethyl ether recovery devices, in particular to a condensing dimethyl ether recovery device for a dimethyl ether loading and unloading place.

Background

Dimethyl ether (DME) is an emerging basic chemical raw material and has a plurality of unique applications in the chemical industry fields of pharmacy, fuel, pesticide and the like; with the rising price of petroleum and the deep popularity of clean environmental protection concepts, the dimethyl ether industry is greatly promoted in China in recent years and rises rapidly. Because of the extremely high volatility of dimethyl ether, a large amount of waste gas is easily generated in the production, loading and unloading and application processes. The dimethyl ether treatment modes commonly used in the past mainly comprise: catalytic oxidation, adsorption, membrane separation, condensation, and the like. The condensation method is also normal pressure condensation, and most of the condensation methods are insufficient energy conservation due to low dimethyl ether concentration, so that the operation cost is high, the requirement cannot be met, and the authorized publication number is CN204665807U, which discloses a condensation dimethyl ether recovery device for a dimethyl ether loading and unloading place, comprising a refrigeration loop, a pressure lifting device and a liquid storage tank.

Disclosure of Invention

The utility model aims to solve the defect that the purity of dimethyl ether is easy to be reduced in the prior art, and provides a condensing dimethyl ether recovery device for a dimethyl ether loading and unloading place.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a dimethyl ether loading and unloading place is with condensation formula dimethyl ether recovery unit, includes the condensing tank, one side of condensing tank is provided with the refrigerator, the top of condensing tank is provided with the gas holder, be provided with the compressor on the gas holder, be provided with waste gas on the compressor and advance the pipe, waste gas advances intraductally and is provided with removable filter screen, the below of condensing tank is provided with the dimethyl ether collection tank, one side of condensing tank is provided with the motor, fixed mounting has the bull stick on the output shaft of motor, be provided with the stirring mechanism in the condensing tank, the stirring mechanism includes the disc, disc and bull stick fixed connection, fixed mounting has the round axle on the disc, slidable mounting has the frid on the condensing tank, round axle and frid's inner wall sliding connection, fixed mounting has the basket board on the frid, waste gas advances intraductally and is provided with vibration mechanism, vibration mechanism includes first band pulley, first band pulley and bull stick fixed connection, and waste gas advances intraductally and installs the wheel pole, fixed mounting has the second band pulley and second band pulley on the same driving wheel, installs the driving wheel and takes turns to the same and installs the fixed exhaust port on the condensing tank.

Preferably, the exhaust gas inlet pipe is provided with a bearing, and an inner ring of the bearing is fixedly connected with the wheel rod.

Preferably, a vertical rail is arranged in the condensing box and is in sliding connection with the groove plate.

Preferably, one side of exhaust gas advances the pipe is provided with sealing door, sealing door and removable filter screen mutually support, all pass through the pipe connection between each case jar of foretell device, and all be provided with the solenoid valve on the pipeline, can control gaseous business turn over, and can put according to the condition between each case jar, just in order to conveniently stack it together in the figure.

In the utility model, the condensing dimethyl ether recovery device for the dimethyl ether loading and unloading place has the beneficial effects that: the cooperation setting of disc, circle axle, frid and basket board in the stirring gas mechanism can stir the dimethyl ether after the condensation, reduces the gaseous content in the dimethyl ether, and particulate matters such as dust can be filtered in the setting of removable filter screen, improves the dimethyl ether purity, and the setting of wheel pole and vibration wheel in the vibration mechanism can shake removable filter screen, avoids blockking up, guarantees the normal entering of waste gas.

The utility model can filter particles such as dust, reduce the gas content of dimethyl ether, improve the purity and facilitate the subsequent use.

Drawings

Fig. 1 is a schematic perspective view of a condensing box of a condensing dimethyl ether recovery device for a dimethyl ether loading and unloading place;

FIG. 2 is a schematic cross-sectional view of a condensing dimethyl ether recovery device for a dimethyl ether loading and unloading site according to the present utility model;

fig. 3 is a schematic structural view of a gas stirring mechanism of a condensing dimethyl ether recovery device for a dimethyl ether loading and unloading place.

In the figure: 1. a condensing box; 2. a refrigerating machine; 3. a gas storage tank; 4. a compressor; 5. an exhaust gas inlet pipe; 6. a detachable filter screen; 7. a dimethyl ether collection tank; 8. a motor; 9. a rotating rod; 10. a disc; 11. a circular shaft; 12. a trough plate; 13. a basket plate; 14. a first pulley; 15. a second pulley; 16. a belt; 17. a wheel bar; 18. a vibrating wheel; 19. and an exhaust port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-3, a condensing dimethyl ether recovery device for a dimethyl ether loading and unloading place comprises a condensing box 1, wherein a refrigerator 2 is arranged on one side of the condensing box 1, a gas storage tank 3 is arranged above the condensing box 1, a compressor 4 is arranged on the gas storage tank 3, a waste gas inlet pipe 5 is arranged on the compressor 4, a detachable filter screen 6 is arranged in the waste gas inlet pipe 5, a dimethyl ether collecting tank 7 is arranged below the condensing box 1, a motor 8 is arranged on one side of the condensing box 1, a rotating rod 9 is fixedly arranged on an output shaft of the motor 8, a gas stirring mechanism is arranged in the condensing box 1 and comprises a disc 10, the disc 10 is fixedly connected with the rotating rod 9, a circular shaft 11 is fixedly arranged on the disc 10, a groove plate 12 is slidably arranged in the condensing box 1, a basket plate 13 is fixedly arranged on the groove plate 12, and a vibration mechanism is arranged in the waste gas inlet pipe 5.

Referring to fig. 2, the vibration mechanism includes a first pulley 14, the first pulley 14 is fixedly connected with a rotating rod 9, a pulley rod 17 is rotatably installed in an exhaust gas inlet pipe 5, a second pulley 15 is fixedly installed on the pulley rod 17, the same belt 16 is installed on the first pulley 14 and the second pulley 15 in a transmission manner, a vibration wheel 18 is fixedly installed on the pulley rod 17, and an exhaust port 19 is arranged on the condensing box 1.

Referring to fig. 2, a vertical rail is provided in the condensation box 1, and is slidably connected to the trough plate 12, and the vertical rail can slide the trough plate 12 at a fixed position.

Referring to fig. 2, the exhaust gas inlet pipe 5 is provided with a bearing, an inner ring of which is fixedly connected with the wheel bar 17, and the bearing can rotate the wheel bar 17 at a fixed position.

Referring to fig. 2, a sealing door is provided at one side of the exhaust gas inlet pipe 5, the sealing door is matched with the detachable filter screen 6, the sealing door is convenient to detach the detachable filter screen 6, and air leakage can be avoided during use.

In this embodiment, when recovering dimethyl ether in the dimethyl ether loading and unloading place, gas is introduced into the exhaust gas inlet pipe 5, after being filtered by the detachable filter screen 6, the gas enters the gas storage tank 3 after being compressed by the compressor 4, after a certain amount of the gas reaches, the gas is released and enters the condensation tank 1, the dimethyl ether is liquefied by the low temperature generated by the refrigerator 2 and finally enters the dimethyl ether collection tank 7 for storage, when recovering the dimethyl ether, the motor 8 is turned on, the rotating rod 9 is driven to rotate, the disc 10 is driven to rotate, the circular shaft 11 is driven to rotate, the groove plate 12 is driven to slide up and down, the basket plate 13 is driven to move up and down, the dimethyl ether is stirred, the content of the gas is reduced, the rotating rod 9 is driven to rotate, the first belt pulley 14 is driven to rotate under the cooperation of the belt 16, the second belt pulley 15 is driven to rotate, the belt pulley 17 is driven to rotate, the vibration pulley 18 is driven to rotate, the vibration pulley 6 is driven, and smooth gas inlet and smooth gas is ensured.

Example two

The difference between this embodiment and the first embodiment is that: the air storage tank 3 is internally provided with a pressure sensor, the air storage tank 1 is internally provided with a temperature sensor, one side of the air storage tank 1 is provided with a controller, the refrigerator 2, the temperature sensor, the pressure sensor and a plurality of electromagnetic valves are electrically connected with the controller, when the pressure sensor senses a set pressure during dimethyl ether recovery, the controller opens the corresponding electromagnetic valve, a gas body enters the air storage tank 1 for condensation, the controller controls the switch of the refrigerator 2 according to the temperature sensed by the temperature sensor, the temperature in the air storage tank 1 is ensured, the dimethyl ether is convenient to condense, in the condensation process, the air storage tank 3 continuously stores the gas compressed by the compressor 4, after the condensed liquid dimethyl ether is put into the dimethyl ether collection tank 7, the gas above enters the air storage tank 1 for condensation liquefaction again, the dimethyl ether can be continuously condensed, and the purity of the dimethyl ether is ensured.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a dimethyl ether recovery unit of condensation formula for loading and unloading place, includes condensing case (1), its characterized in that, one side of condensing case (1) is provided with refrigerator (2), the top of condensing case (1) is provided with gas holder (3), be provided with compressor (4) on gas holder (3), be provided with waste gas on compressor (4) and advance pipe (5), be provided with removable filter screen (6) in waste gas advances pipe (5), the below of condensing case (1) is provided with dimethyl ether collection tank (7), one side of condensing case (1) is provided with motor (8), fixed mounting has bull stick (9) on the output shaft of motor (8), be provided with in condensing case (1) and stir gas mechanism, stir gas mechanism includes disc (10), disc (10) and bull stick (9) fixed connection, fixed mounting has circle axle (11) on disc (10), install fluted plate (12) in condensing case (1) in the slidable mounting, be provided with fluted plate (12) on the inner wall of circle axle (12) and the interior wall of basket (13) in the slip is connected with fluted plate (13).

2. The condensing dimethyl ether recycling device for the dimethyl ether loading and unloading place according to claim 1, wherein the vibration mechanism comprises a first belt wheel (14), the first belt wheel (14) is fixedly connected with a rotating rod (9), a wheel rod (17) is rotatably installed in an exhaust gas inlet pipe (5), a second belt wheel (15) is fixedly installed on the wheel rod (17), the same belt (16) is installed on the first belt wheel (14) and the second belt wheel (15) in a transmission mode, a vibration wheel (18) is fixedly installed on the wheel rod (17), and an exhaust port (19) is formed in a condensing box (1).

3. The condensing dimethyl ether recovery device for a dimethyl ether loading and unloading place according to claim 1, wherein a vertical rail is arranged in the condensing box (1) and is in sliding connection with the trough plate (12).

4. The condensing dimethyl ether recovery device for a dimethyl ether loading and unloading place according to claim 2, wherein a bearing is arranged on the waste gas inlet pipe (5), and an inner ring of the bearing is fixedly connected with a wheel rod (17).

5. The condensing dimethyl ether recovery device for a dimethyl ether loading and unloading place according to claim 1, wherein a sealing door is arranged on one side of the waste gas inlet pipe (5), and the sealing door is matched with the detachable filter screen (6).