CN212090969U - Rectifying tower steam reboiler with anti-corrosion function - Google Patents

Rectifying tower steam reboiler with anti-corrosion function Download PDF

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Publication number
CN212090969U
CN212090969U CN202020669972.0U CN202020669972U CN212090969U CN 212090969 U CN212090969 U CN 212090969U CN 202020669972 U CN202020669972 U CN 202020669972U CN 212090969 U CN212090969 U CN 212090969U
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CN
China
Prior art keywords
distillation
distillation tower
hollow pipe
tower
distillation column
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Expired - Fee Related
Application number
CN202020669972.0U
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Chinese (zh)
Inventor
杨建英
王红星
刘彪
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Shandong Taili Chemical Equipment Co Ltd
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Shandong Taili Chemical Equipment Co Ltd
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Priority to CN202020669972.0U priority Critical patent/CN212090969U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a rectifying column steam reboiler with anticorrosive function, which belongs to the technical field of distillation, and relates to a rectifying column steam reboiler with anticorrosive function, which comprises a first distillation column and a second distillation column, wherein the inner walls of the first distillation column and the second distillation column are both provided with a heat insulation layer, an anticorrosive layer is arranged in the heat insulation layer, a heater is arranged on the anticorrosive layer, the side wall of the first distillation column is respectively provided with a first supporting plate and a second supporting plate, an air pump is arranged on the first supporting plate, a heating box is arranged on the second supporting plate, and a first hollow tube is connected between the output end of the air pump and the input end of the heating box; the utility model discloses simple structure, the simple operation through mutually supporting of pressure valve and water level sensor, very big improvement the security when using, protected staff's safety, through the effect of anticorrosive coating, can strengthen the device corrosion resistance, improved life.

Description

Rectifying tower steam reboiler with anti-corrosion function
Technical Field
The utility model relates to a distillation technology field especially relates to a rectifying column steam reboiler with anticorrosive function.
Background
Rectification is a typical unit operation for separating miscible liquid mixtures in chemical production, along with the development of chemical production and technology, the application of a rectification tower is wider and wider, and main equipment in the rectification process comprises: the distillation tower comprises a rectifying tower, a reboiler, a condenser, a reflux tank and other equipment, wherein feed liquid with certain temperature and pressure enters the rectifying tower, light components are gradually concentrated at a rectifying section, all the light components are condensed after leaving the tower top and enter the reflux tank, the reboiler is often combined with the rectifying tower for application, liquid at the bottom of the tower is heated through the reboiler, part of the liquid is vaporized and becomes ascending steam, most of the reboilers are shell-and-tube heat exchangers, the boiling process can be performed on a shell side and a tube side, heating media are generally steam, and can also be heat-carrying liquid, gas and the like, the vapor reboiler of the rectifying tower on the market at present is long in distillation time, the working efficiency is slow, the anti-corrosion function is not realized, and when the water level in the rectifying tower is lower than a certain value, the distillation tower has very large potential safety hazard and easily causes very large.
Disclosure of Invention
The utility model aims at solving the problems of slow non-corrosion function of the working efficiency and great potential safety hazard and the like in the prior art, and providing a rectifying tower steam reboiler with a corrosion-resistant function.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rectifying tower steam reboiler with an anti-corrosion function comprises a first distilling tower and a second distilling tower, wherein heat insulation layers are arranged on the inner walls of the first distilling tower and the second distilling tower, anti-corrosion layers are arranged in the heat insulation layers, heaters are arranged on the anti-corrosion layers, a first supporting plate and a second supporting plate are respectively arranged on the side wall of the first distilling tower, an air pump is arranged on the first supporting plate, a heating box is arranged on the second supporting plate, a first hollow pipe is connected between the output end of the air pump and the input end of the heating box, a second hollow pipe is connected between the output end of the heating box and the inner wall of the bottom of the first distilling tower, a third hollow pipe is connected between the first distilling tower and the second distilling tower, a third supporting plate is fixedly connected between the first distilling tower and the second distilling tower, and a condenser, a first cooler and a reflux tank are respectively arranged on, the condenser is characterized in that a fourth hollow pipe is connected between the condenser input end and the first distillation tower, a fifth hollow pipe is connected between the condenser output end and the first cooler input end, a sixth hollow pipe is connected between the first cooler output end and the reflux tank input end, a seventh hollow pipe is connected between the reflux tank output end and the second distillation tower, water level sensors are arranged on the inner walls of the first distillation tower and the second distillation tower, and alarms matched with the water level sensors are further arranged on the tops of the first distillation tower and the second distillation tower.
Preferably, a one-way valve is arranged in the second hollow pipe.
Preferably, a pressure valve is arranged in the seventh hollow pipe.
Preferably, a fourth support plate is fixedly connected to the side wall of the second distillation tower, a second cooler is arranged on the fourth support plate, an eighth hollow pipe is connected between the input end of the second cooler and the second distillation tower, and the output end of the second cooler is connected with a ninth hollow pipe.
Preferably, the first distillation column side wall is provided with a feeding pipe, the bottoms of the first distillation column and the second distillation column are respectively provided with a tenth hollow pipe, and the tenth hollow pipe is rotatably connected with a rotary switch.
Preferably, bases are arranged at the bottoms of the first distillation tower and the second distillation tower, and bottom plates are fixedly connected to the bottoms of the bases.
Compared with the prior art, the utility model provides a rectifying column steam reboiler with anticorrosive function possesses following beneficial effect:
1. when the distillation tower vapor reboiler with the corrosion prevention function is used, a mixture to be distilled is fed into a first distillation tower through a feed pipe, a heater in the first distillation tower is started to carry out heating distillation, the mixture is heated to generate vapor which enters a third hollow pipe and then enters a second distillation tower to form preliminary distillation, meanwhile, a part of the vapor enters a fourth hollow pipe and then enters a condenser, then enters a first cooler through a fifth hollow pipe to be cooled, then enters a reflux tank and finally enters the second distillation tower through a seventh hollow pipe, when the pressure in the first distillation tower is too high, a pressure valve is automatically opened, the pressure is relieved, then the heater in the second distillation tower is started to distill a distillate in the second distillation tower again, the vapor enters an eighth hollow pipe and then is discharged from a ninth hollow pipe after being treated by a second cooler, the remainder after distillation can be discharged from the tenth hollow tube, and water level sensors are arranged in the first distillation tower and the second distillation tower, and when the water level sensors detect that the water level is lower than a safety value, the alarm gives an alarm automatically.
2. This rectifying column vapour reboiler with anticorrosive function, other air pump and the heating cabinet of being equipped with of first distillation column, when the distillation, start the air pump, the air pump sends the air into first hollow tube, then in getting into first distillation column through the second hollow tube after the heating cabinet heating for distillation efficiency.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, the simple operation, through mutually supporting of pressure valve and water level inductor, very big improvement the security when using, protected staff's safety, through the effect of anticorrosive coating, can strengthen the device corrosion resistance, improved life.
Drawings
Fig. 1 is a schematic structural diagram of a distillation column steam reboiler with an anti-corrosion function according to the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1 of a distillation column steam reboiler with an anti-corrosion function according to the present invention.
In the figure: 1. a base plate; 101. a base; 2. a first distillation column; 201. a second distillation column; 3. a thermal insulation layer; 301. an anticorrosive layer; 302. a heater; 4. a feed pipe; 5. a first support plate; 501. an air pump; 6. a second support plate; 601. a heating box; 602. a first hollow tube; 603. a second hollow tube; 604. a one-way valve; 7. a third hollow tube; 8. a fourth hollow tube; 9. a third support plate; 901. a condenser; 902. a first cooler; 903. a fifth hollow tube; 904. a reflux tank; 905. a sixth hollow tube; 906. a seventh hollow tube; 907. a pressure valve; 10. a fourth support plate; 11. a second cooler; 1101. an eighth hollow tube; 1102. a ninth hollow tube; 12. a water level sensor; 1201. an alarm; 13. a tenth hollow tube; 1301. the switch is rotated.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a distillation column steam reboiler with anti-corrosion function comprises a first distillation column 2 and a second distillation column 201, wherein heat insulation layers 3 are respectively arranged on the inner walls of the first distillation column 2 and the second distillation column 201, an anti-corrosion layer 301 is arranged in the heat insulation layers 3, a heater 302 is arranged on the anti-corrosion layer 301, a first support plate 5 and a second support plate 6 are respectively arranged on the side wall of the first distillation column 2, an air pump 501 is arranged on the first support plate 5, a heating box 601 is arranged on the second support plate 6, a first hollow pipe 602 is connected between the output end of the air pump 501 and the input end of the heating box 601, a second hollow pipe 603 is connected between the output end of the heating box 601 and the inner wall of the bottom of the first distillation column 2, a third hollow pipe 7 is connected between the first distillation column 2 and the second distillation column 201, a third support plate 9 is fixedly connected between the first distillation column 2 and, First cooler 902 and reflux drum 904, be connected with fourth hollow tube 8 between condenser 901 input and the first distillation column 2, be connected with fifth hollow tube 903 between condenser 901 output and the first cooler 902 input, be connected with sixth hollow tube 905 between first cooler 902 output and the reflux drum 904 input, be connected with seventh hollow tube 906 between reflux drum 904 output and the second distillation column 201, first distillation column 2 and second distillation column 201 inner wall all are equipped with water level sensor 12, first distillation column 2 and second distillation column 201 top still are equipped with alarm 1201 with water level sensor 12 matched with.
A one-way valve 604 is arranged in the second hollow pipe 603.
A pressure valve 907 is arranged in the seventh hollow pipe 906.
A fourth supporting plate 10 is fixedly connected to the side wall of the second distillation column 201, a second cooler 11 is arranged on the fourth supporting plate 10, an eighth hollow pipe 1101 is connected between the input end of the second cooler 11 and the second distillation column 201, and a ninth hollow pipe 1102 is connected to the output end of the second cooler 11.
The side wall of the first distillation tower 2 is provided with a feeding pipe 4, the bottoms of the first distillation tower 2 and the second distillation tower 201 are both provided with a tenth hollow pipe 13, and the tenth hollow pipe 13 is rotatably connected with a rotary switch 1301.
The bottoms of the first distillation tower 2 and the second distillation tower 201 are both provided with a base 101, and the bottom of the base 101 is fixedly connected with a bottom plate 1.
In the utility model, in using, the mixture to be distilled is sent into the first distillation tower 2 through the feeding pipe 4, the heater 302 in the first distillation tower 2 is started, heating distillation is carried out, the mixture is heated to generate steam to enter the third hollow pipe 7 and then enter the second distillation tower 201 to form preliminary distillation, meanwhile, a part of steam enters the fourth hollow pipe 8 and then enters the condenser 901, then enters the first cooler 902 through the fifth hollow pipe 903 to be cooled, then enters the reflux tank 904, finally enters the second distillation tower 201 through the seventh hollow pipe 906, when the pressure in the first distillation tower 2 is overlarge, the pressure valve 907 is automatically opened to release pressure, then the heater 302 in the second distillation tower 201 is started, the distillate in the second distillation tower 201 is distilled again, the steam enters the eighth hollow pipe 1101, then is discharged from the ninth hollow pipe 1102 after being processed by the second cooler 11, the remainder after distillation can be discharged from the tenth hollow pipe 13, water level sensors 12 are arranged in the first distillation tower 2 and the second distillation tower 201, and the alarm 1201 gives an alarm automatically when the water level sensors 12 detect that the water level is lower than a safe value.
An air pump 501 and a heating box 601 are arranged beside the first distillation tower 2, during distillation, the air pump 501 is started, the air pump 501 sends air into the first hollow pipe 602, and then the air is heated by the heating box 601 and then enters the first distillation tower 2 through the second hollow pipe 603, so that the distillation efficiency is accelerated.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A rectifying tower steam reboiler with an anti-corrosion function comprises a first distillation tower (2) and a second distillation tower (201), and is characterized in that heat insulation layers (3) are arranged on the inner walls of the first distillation tower (2) and the second distillation tower (201), an anti-corrosion layer (301) is arranged in the heat insulation layers (3), a heater (302) is arranged on the anti-corrosion layer (301), a first supporting plate (5) and a second supporting plate (6) are respectively arranged on the side wall of the first distillation tower (2), an air pump (501) is arranged on the first supporting plate (5), a heating box (601) is arranged on the second supporting plate (6), a first hollow pipe (602) is connected between the output end of the air pump (501) and the input end of the heating box (601), and a second hollow pipe (603) is connected between the output end of the heating box (601) and the inner wall of the bottom of the first distillation tower (2, a third hollow pipe (7) is connected between the first distillation tower (2) and the second distillation tower (201), a third support plate (9) is fixedly connected between the first distillation tower (2) and the second distillation tower (201), a condenser (901), a first cooler (902) and a reflux tank (904) are respectively arranged on the third support plate (9), a fourth hollow pipe (8) is connected between the input end of the condenser (901) and the first distillation tower (2), a fifth hollow pipe (903) is connected between the output end of the condenser (901) and the input end of the first cooler (902), a sixth hollow pipe (905) is connected between the output end of the first cooler (902) and the input end of the reflux tank (904), a seventh hollow pipe (906) is connected between the output end of the reflux tank (904) and the second distillation tower (201), and water level inductors (12) are respectively arranged on the inner walls of the first distillation tower (2) and the second distillation tower (201), the top parts of the first distillation tower (2) and the second distillation tower (201) are also provided with alarms (1201) matched with the water level sensors (12).
2. The distillation column vapor reboiler with corrosion prevention function according to claim 1, wherein a check valve (604) is arranged in the second hollow pipe (603).
3. The distillation column steam reboiler with corrosion prevention function as claimed in claim 1, wherein a pressure valve (907) is arranged in the seventh hollow pipe (906).
4. The rectifying tower vapor reboiler with corrosion prevention function according to claim 1, wherein a fourth supporting plate (10) is fixedly connected to a side wall of the second distillation tower (201), a second cooler (11) is arranged on the fourth supporting plate (10), an eighth hollow pipe (1101) is connected between an input end of the second cooler (11) and the second distillation tower (201), and an output end of the second cooler (11) is connected with a ninth hollow pipe (1102).
5. The distillation column vapor reboiler with corrosion prevention function according to claim 1, wherein the side wall of the first distillation column (2) is provided with a feeding pipe (4), the bottoms of the first distillation column (2) and the second distillation column (201) are respectively provided with a tenth hollow pipe (13), and the tenth hollow pipe (13) is rotatably connected with a rotary switch (1301).
6. The rectification column vapor reboiler with corrosion prevention function according to claim 1, characterized in that a base (101) is arranged at the bottom of each of the first distillation column (2) and the second distillation column (201), and a bottom plate (1) is fixedly connected to the bottom of the base (101).
CN202020669972.0U 2020-04-28 2020-04-28 Rectifying tower steam reboiler with anti-corrosion function Expired - Fee Related CN212090969U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020669972.0U CN212090969U (en) 2020-04-28 2020-04-28 Rectifying tower steam reboiler with anti-corrosion function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020669972.0U CN212090969U (en) 2020-04-28 2020-04-28 Rectifying tower steam reboiler with anti-corrosion function

Publications (1)

Publication Number Publication Date
CN212090969U true CN212090969U (en) 2020-12-08

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ID=73618807

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020669972.0U Expired - Fee Related CN212090969U (en) 2020-04-28 2020-04-28 Rectifying tower steam reboiler with anti-corrosion function

Country Status (1)

Country Link
CN (1) CN212090969U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20201208

Termination date: 20210428