CN215275800U

CN215275800U - Ethanolamine distillation experimental device

Info

Publication number: CN215275800U
Application number: CN202121363813.9U
Authority: CN
Inventors: 景清勇
Original assignee: Sichuan Yiguang New Material Manufacturing Co ltd
Current assignee: Sichuan Yiguang New Material Manufacturing Co ltd
Priority date: 2021-06-19
Filing date: 2021-06-19
Publication date: 2021-12-24
Anticipated expiration: 2031-06-19

Abstract

The utility model discloses an ethanolamine distillation experimental apparatus, including the base, its characterized in that: the utility model discloses a vacuum distillation apparatus, including base, distillation flask, frosted mouth, drip tube, the output of vacuum pump is pegged graft and is had the gas collecting bottle. The utility model discloses, can make during steam becomes liquid and falls to the receiving flask from the bottom of water burette through the spiral pipe, be connected through branch pipe and water burette and receiving flask, can be through the vacuum pump in gas collection bottle.

Description

Ethanolamine distillation experimental device

Technical Field

The utility model relates to a distillation experimental apparatus field especially relates to an ethanolamine distillation experimental apparatus.

Background

Monoethanolamine is an organic compound, is a colorless liquid, is usually used for removing acid gases and the like in natural gas and petroleum, is usually prepared from ethylene oxide, an aqueous ammonia solution and circulating ammonia, then a product of the ethylene oxide, the aqueous ammonia solution and the circulating ammonia is evaporated, concentrated, dried and dehydrated to obtain crude ethanolamine, and then the crude ethanolamine is subjected to reduced pressure distillation to obtain the monoethanolamine.

During the distillation of monoethanolamine, toxic gases are generated during the heating process, and if the gases are not treated, the gases will cause harm to people, so that a device for treating tail gas is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a monoethanolamine distillation experimental device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an ethanolamine distillation experimental apparatus, includes the base, the upper surface of base is provided with the distillation flask, the dull polish mouth of distillation flask is provided with the test-tube stopper, the inside grafting of test-tube stopper has the connector, it has the spiral pipe to peg graft to the slope one end of connector, the downside interface of spiral pipe is provided with the water dropper, water dropper downside interface is provided with the receiving bottle, the last fixed surface of base is connected with the vacuum pump, the input of vacuum pump is pegged graft and is had the branch pipe, the both ends of branch pipe respectively with receiving bottle and water dropper union coupling, the output of vacuum pump is pegged graft and is had the gas collecting bottle.

As a further description of the above technical solution:

the upper surface of base fixedly connected with mount, the surperficial sliding connection of mount has the removal frame.

As a further description of the above technical solution:

the upside remove the frame and keep away from the one end fixedly connected with ring of mount, the downside remove the frame and keep away from the upper surface of mount one end and be provided with the asbestos gauge, the upper surface of asbestos gauge has certain radian.

As a further description of the above technical solution:

the upper surface of base just is located the asbestos gauge downside and is provided with the alcohol burner.

As a further description of the above technical solution:

the distillation flask was placed on an asbestos mesh.

As a further description of the above technical solution:

and the vertical connecting head is provided with a thermometer, and the thermometer is inserted into the pipeline at the inclined position of the connecting head.

As a further description of the above technical solution:

the condenser pipe has been glued outward to the spiral pipe, condenser pipe upper end one side shaping has the inlet tube, condenser pipe lower extreme one side shaping has the outlet pipe.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this monoethanolamine distillation experimental apparatus through branch pipe and drip pipe horizontal connection, makes in gaseous can getting into the branch pipe, nevertheless can not make in liquid gets into the branch pipe, and the branch pipe receiving flask is connected, can collect gas through the vacuum pump in the gas collecting bottle.

2. Compared with the prior art, this monoethanolamine distillation experimental apparatus can make the steam in the spiral pipe become liquid through the continuous water that adds in the condenser pipe, can accelerate the speed of condensation, and rethread water droplet bottle falls into the receiving flask.

Drawings

FIG. 1 is a schematic view of the overall structure of an experimental apparatus for monoethanolamine distillation provided by the present invention;

FIG. 2 is a side view of an experimental apparatus for monoethanolamine distillation according to the present invention;

FIG. 3 is a cross-sectional view of A-A in FIG. 2 of an experimental apparatus for monoethanolamine distillation according to the present invention;

FIG. 4 is a partial enlarged view of a portion B in FIG. 1 of an experimental apparatus for distillation of monoethanolamine according to the present invention;

fig. 5 is a partial enlarged view of a C point in fig. 3 of an experimental apparatus for monoethanolamine distillation according to the present invention.

Illustration of the drawings:

1. a base; 2. a fixed mount; 3. a movable frame; 4. an asbestos web; 5. distilling the flask; 6. a circular ring; 7. an alcohol lamp; 8. a water dropper; 9. a water outlet pipe; 10. a water inlet pipe; 11. a condenser tube; 12. a spiral tube; 13. a thermometer; 14. a connector; 15. a test tube plug; 16. a gas collection bottle; 17. receiving a bottle; 18. a vacuum pump; 19. and (4) branch pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model provides an ethanolamine distillation experimental apparatus: comprises a base 1, a distillation flask 5 is arranged on the upper surface of the base 1, zeolite can be added in the distillation flask 5 during heating, anti-bumping can be achieved, and the distillation flask 5 is arranged on an asbestos net 4 and can enable the distillation flask 5 to be heated uniformly, a test tube plug 15 is arranged at a frosted opening of the distillation flask 5 and can enable the test tube plug 15 to seal the distillation flask 5 better, a connector 14 is inserted in the test tube plug 15, a bottle plug can seal the opening of the connector 14, a thermometer 13 is arranged on the bottle plug, a thermometer 13 is arranged on a vertical connector 14, the thermometer 13 is inserted into a pipeline at the inclined position of the connector 14 and can measure the temperature more accurately, a spiral tube 12 is inserted at the inclined end of the connector 14 and can enable steam to have a longer condensation process, so that the steam can be changed into liquid, a condensation tube 11 is glued outside the spiral tube 12, the inside can have flowing water, the temperature of the steam is reduced continuously, thus become liquid, there is inlet tube 9 on one side of upper end of the condenser pipe 11, connect with the pipeline of intaking, thus make the water have continuous mobility can lower the temperature more rapidly, there is outlet pipe 10 on one side of lower end of the condenser pipe 11, make the water have mobility, the underside interface of the spiral pipe 12 has water dropper 8, there is a pipeline in the very bottom of the water dropper 8 can make the water fall to the receiving bottle 17 among them, there is an opening in the horizontal place of the water dropper 8, can make the horizontal pipeline of the branch pipe 19 insert into the horizontal opening of the water dropper 8, the underside interface of the water dropper 8 has receiving bottles 17, can collect the liquid of condensed ethanolamine, can connect with a pipeline of the branch pipe 19 on the upper surface of the receiving bottle 17, the upper surface of the base 1 is fixedly connected with the vacuum pump 18, can reduce the pressure in the pipeline, therefore, the required pressure of the monoethanolamine is met, the input end of the vacuum pump 18 is connected with the branch pipe 19 in an inserted mode, gas in the receiving bottle 17 and gas in the water dropper 8 can pass through the branch pipe 19, two ends of the branch pipe 19 are respectively connected with the receiving bottle 17 and the water dropper 8, the output end of the vacuum pump 18 is connected with the gas collecting bottle 16 in an inserted mode, and toxic gas generated after the monoethanolamine is heated can be collected.

Base 1's last fixed surface is connected with mount 2, can make and remove frame 3 and can remove the height of difference, the sliding surface of mount 2 is connected with and removes frame 3, can be fixed distillation flask 5 and asbestos gauge 4, the one end fixedly connected with ring 6 of mount 2 is kept away from to the removal frame 3 of upside, can be fixed distillation flask 5's neck, make distillation flask 5 can not rock, the upper surface that 2 one end of mount was kept away from to the removal frame 3 of downside is provided with asbestos gauge 4, asbestos gauge 4's upper surface has certain radian, can accord with distillation flask 5's curve more, make distillation flask 5 still protect simultaneously to make distillation flask 5 can not be cracked by more even heating, base 1's upper surface just is located asbestos gauge 4 downside and is provided with alcohol burner 7, be used for the heating.

The working principle is as follows: firstly, the alcohol burner 7 is put at a good position, then the height is determined by the movable frame 3 and then the alcohol burner is fixed, then the asbestos gauze 4 is put on the movable frame 3 at the lower side, then, the distillation flask 5 was fixed after being set, the thermometer 13 was connected to a plurality of pipes, and then the airtightness was checked, the pressure in the pipeline is reduced to the pressure required by the monoethanolamine through the vacuum pump 18, the alcohol lamp 7 is ignited, then a pipeline is connected between the water inlet pipe 10 and the water outlet pipe 9 to enable the water to continuously flow, then when the steam passes through the spiral pipe 12, the steam becomes liquid drops to be dropped to the bottommost part of the water dropper 8 and then to be dropped into the receiving bottle 17, during the heating process, monoethanolamine emits gas to increase the gas pressure, the vacuum pump 18 is started, the gas is concentrated to the branch pipe 19 from the water dropping pipe 8 and the receiving bottle 17, the gas is then continuously fed into the gas cylinder 16, whereby the pressure is continuously controlled and the monoethanolamine is continuously reacted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An ethanolamine distillation experimental device comprises a base (1), and is characterized in that: the utility model discloses a test tube, including base (1), distillation flask (5), the dull polish mouth of distillation flask (5) is provided with test tube stopper (15), the inside of test tube stopper (15) is pegged graft and is had connector (14), the slope one end of connector (14) is pegged graft and is had spiral pipe (12), the downside interface of spiral pipe (12) is provided with water dropper (8), water dropper (8) downside interface is provided with receiving bottle (17), the last fixed surface of base (1) is connected with vacuum pump (18), the input of vacuum pump (18) is pegged graft and is had branch pipe (19), the both ends of branch pipe (19) are connected with receiving bottle (17) and drip pipe (8) respectively, the output of vacuum pump (18) is pegged graft and is had gas collecting bottle (16).

2. The experimental device for monoethanolamine distillation according to claim 1, wherein: the upper surface of base (1) fixed connection has mount (2), the surperficial sliding connection of mount (2) has removal frame (3).

3. The experimental device for distillation of monoethanolamine according to claim 2, characterized in that: the upside remove the one end fixedly connected with ring (6) that mount (2) were kept away from in frame (3), the downside remove the upper surface that mount (2) one end was kept away from in frame (3) and be provided with asbestos gauge (4), the upper surface of asbestos gauge (4) has certain radian.

4. The experimental device for monoethanolamine distillation according to claim 1, wherein: spiral pipe (12) outer cement joint has condenser pipe (11), condenser pipe (11) upper end one side shaping has inlet tube (9), condenser pipe (11) lower extreme one side shaping has outlet pipe (10).

5. The experimental device for monoethanolamine distillation according to claim 1, wherein: vertically be provided with thermometer (13) on connector (14), and thermometer (13) insert to connector (14) slope department pipeline.

6. The experimental device for monoethanolamine distillation according to claim 1, wherein: an alcohol lamp (7) is arranged on the upper surface of the base (1) and on the lower side of the asbestos gauge (4).

7. The experimental device for monoethanolamine distillation according to claim 1, wherein: the distillation flask (5) is arranged on an asbestos gauze (4).