CN217067729U

CN217067729U - Device for efficient liquid rectification

Info

Publication number: CN217067729U
Application number: CN202220767104.5U
Authority: CN
Inventors: 胡豪力
Original assignee: Wanlong Chemical Co ltd
Current assignee: Wanlong Chemical Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-29
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a device for high-efficient rectification of liquid, including head tank and rectifying column, head tank right side bottom position runs through and fixedly connected with filter, head pump top right side position is provided with the heater, the inside drainage plate that is provided with evenly distributed of rectifying column. The utility model discloses in, the raw materials flows into the rectifying column bottom and is provided with high temperature heating device, add thermal evaporation to the raw materials, volatile component in the raw materials gets into the gaseous phase, hard volatile component in the gaseous phase changes over to the liquid phase, the gaseous phase assembles the top of the tower through the drainage plate, can obtain almost pure volatile component at the top of the tower, can obtain almost pure hard volatile component at the bottom of the tower, the vapour of drawing forth from the top of the tower passes through the condenser, partly congeal liquid returns the rectifying column from the top of the tower as the reflux, all the other distillates are top of the tower products, the liquid of drawing forth at the bottom of the tower is through the gasification of reboiling part, vapour rises along the tower, remaining liquid is as bottom of the tower product, hoisting device's rectification efficiency greatly.

Description

Device for efficient liquid rectification

Technical Field

The utility model relates to a rectification technical field especially relates to a device for high-efficient rectification of liquid.

Background

The rectification is usually carried out in a rectification column, and gas and liquid phases are contacted in a countercurrent manner to carry out interphase heat and mass transfer. The volatile component in the liquid phase enters the gas phase, and the non-volatile component in the gas phase is transferred into the liquid phase, so that the nearly pure volatile component can be obtained at the top of the tower, and the nearly pure non-volatile component can be obtained at the bottom of the tower. The feed liquid is added from the middle part of the tower, and the tower section above the feed inlet further thickens the volatile component in the rising steam, which is called as a rectifying section; the section of the column below the feed opening, which extracts the volatile components from the descending liquid, is referred to as the stripping section. Condensing the vapor led out from the tower top, returning a part of condensate as reflux liquid from the tower top to the rectifying tower, and obtaining the rest distillate as a tower top product. The liquid extracted from the bottom of the tower is partially gasified by a reboiler, the vapor rises along the tower, and the rest liquid is used as a tower bottom product. The ratio of the amount of liquid refluxed into the column at the top of the column to the amount of product at the top of the column is called the reflux ratio, and the size of the reflux ratio affects the separation effect and the energy consumption of the rectification operation.

Chinese patent 201520975339.3 discloses a high-efficiency vacuum rectification apparatus, which comprises a heating reaction kettle, a rectification tower, a liquid distributor and a condenser, wherein the rectification tower is arranged at the top end of the heating reaction kettle, the liquid distributor is arranged at the top end of the rectification tower, the condenser is arranged at the top end of the liquid distributor, and the condenser is communicated with a vacuum device; the heating reaction kettle comprises a tank body, a half pipe used for heating is arranged on the periphery of the tank body, an infrared heating device is arranged at the bottom of the tank body, ear seats are arranged on the upper portion of the heating reaction kettle, a flow equalizing plate is arranged at the bottom of the rectifying tower, and the condenser is a tube condenser. The device that this patent provided lacks fine filter equipment at the practical application in-process, and the practicality is relatively poor, and the device that this patent provided simultaneously lacks reboiling process, and rectification efficiency is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a device for high-efficiency rectification of liquid.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a device for high-efficient rectification of liquid, includes head tank and rectifying column, head tank right side bottom position runs through and the fixedly connected with filter, the first filter core of filter inner wall left side position fixedly connected with, filter inner wall intermediate position fixedly connected with second filter core, filter inner wall right side position fixedly connected with third filter core, filter right side position runs through and the fixedly connected with raw material pump, raw material pump top right side position is provided with the heater, the inside drainage plate that is provided with evenly distributed of rectifying column, the drainage plate top position runs through and the densely distributed intake pipe of fixedly connected with.

As a further description of the above technical solution:

the first filter element can filter larger solid impurities in the raw materials, and the second filter element can filter smaller impurities in the raw materials.

As a further description of the above technical solution:

the air inlet pipe outer diameter top position all runs through and fixedly connected with breather pipe and runs through and be provided with the hole of densely covered on the breather pipe.

As a further description of the above technical solution:

and a condenser is arranged on the right side of the top of the rectifying tower.

As a further description of the above technical solution:

and a reboiler is arranged on the right side of the bottom of the rectifying tower.

As a further description of the above technical solution:

the raw material pump, the heater, the rectifying tower, the reboiler and the condenser are communicated through a communicating pipe, and a valve is arranged on the communicating pipe.

As a further description of the above technical solution:

the third filter element can filter bacteria in the raw materials.

As a further description of the above technical solution:

and the raw material pump, the heater, the reboiler, the condenser and the valve are electrically connected with an external terminal.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first the raw materials flows into the rectifying column bottom and is provided with high temperature heating device, can heat the evaporation to the raw materials, volatile component in the raw materials gets into the gaseous phase, the difficult volatile component in the gaseous phase changes over to the liquid phase, the gaseous phase assembles the top of the tower through the drainage plate, can obtain almost pure volatile component at the top of the tower, can obtain almost pure difficult volatile component at the bottom of the tower, the vapour of drawing forth from the top of the tower passes through the condenser, partly lime set returns the rectifying column as the reflux from the top of the tower, all the other distillate is top of the tower products, the liquid of drawing forth at the bottom of the tower is through reboiling partial gasification, vapour rises along the tower, remaining liquid is as bottom of the tower product, hoisting device's rectification efficiency greatly.

2. The utility model discloses in, extract and transport the rectifying column in with the raw materials in the head tank through the raw materials pump, can flow through the filter, filter the raw materials through first filter core, second filter core and third filter core, then the heater can be flowed through to the raw materials, carries out the preliminary heating, for later rectification ready, very big hoisting device's practicality.

Drawings

Fig. 1 is a plan view of an apparatus for efficient rectification of liquid according to the present invention;

FIG. 2 is a diagram of a filter structure of an apparatus for high efficiency rectification of liquid according to the present invention;

fig. 3 is a drawing plate structure diagram of a device for high-efficient rectification of liquid provided by the utility model.

Illustration of the drawings:

1. a raw material tank; 2. a filter; 3. a feedstock pump; 4. a communicating pipe; 5. a heater; 6. a reboiler; 7. a rectifying tower; 8. a drainage plate; 9. a condenser; 10. a valve; 11. a first filter element; 12. a second filter element; 13. a third filter element; 14. an air inlet pipe; 15. a breather tube.

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. 1-3, the present invention provides an embodiment: a device for high-efficiency rectification of liquid comprises a raw material tank 1 and a rectification tower 7, wherein the bottom position of the right side of the raw material tank 1 is penetrated and fixedly connected with a filter 2, the left side position of the inner wall of the filter 2 is fixedly connected with a first filter element 11, the middle position of the inner wall of the filter 2 is fixedly connected with a second filter element 12, the right side position of the inner wall of the filter 2 is fixedly connected with a third filter element 13, the right side position of the filter 2 is penetrated and fixedly connected with a raw material pump 3, the right side position of the top of the raw material pump 3 is provided with a heater 5, a uniformly distributed drainage plate 8 is arranged in the rectification tower 7, the top position of the drainage plate 8 is penetrated and fixedly connected with a densely distributed air inlet pipe 14, the raw material in the raw material tank 1 is extracted and conveyed into the rectification tower 7 through the raw material pump 3, the raw material can flow through the filter 2, the raw material is filtered through the first filter element 11, the second filter element 12 and the third filter element 13, and then the raw material can flow through the heater 5, the preliminary heating is carried out, preparation is made for the rectification later, and the practicability of the device is greatly improved.

The first filter element 11 can filter larger solid impurities in the raw materials, the second filter element 12 can filter smaller impurities in the raw materials, the top positions of the outer diameters of the air inlet pipes 14 are all penetrated and fixedly connected with vent pipes 15, the vent pipes 15 are penetrated and densely distributed with holes, the right side of the top of the rectifying tower 7 is provided with a condenser 9, the right side of the bottom of the rectifying tower 7 is provided with a reboiler 6, the raw material pump 3, the heater 5, the rectifying tower 7, the reboiler 6 and the condenser 9 are all communicated through a communicating pipe 4, the communicating pipe 4 is provided with a valve 10, the third filter element 13 can filter bacteria in the raw materials, the raw material pump 3, the heater 5, the reboiler 6, the condenser 9 and the valve 10 are all electrically connected with an external terminal, the raw materials flow into the bottom of the rectifying tower 7 and are provided with a high-temperature heating device which can heat and evaporate the raw materials, and volatile components in the raw materials enter a gas phase, the difficult volatile component in the gas phase is transferred into the liquid phase, the gas phase is converged to the tower top through the drainage plate 8, the almost pure volatile component can be obtained at the tower top, the almost pure difficult volatile component can be obtained at the tower bottom, the steam led out from the tower top passes through the condenser 9, a part of condensate is used as reflux and returns to the rectifying tower 7 from the tower top, the rest of distillate is a tower top product, the liquid led out from the tower bottom is gasified through the reboiling part, the steam rises along the tower, and the rest of liquid is used as a tower bottom product, so that the rectifying efficiency of the device is greatly improved.

The working principle is as follows: firstly, raw materials in a raw material tank 1 are extracted and conveyed into a rectifying tower 7 through a raw material pump 3, the raw materials can flow through a filter 2, the raw materials are filtered through a first filter element 11, a second filter element 12 and a third filter element 13, then the raw materials can flow through a heater 5 to be primarily heated, preparation is made for subsequent rectification, the practicability of the device is greatly improved, the raw materials flow into the bottom of the rectifying tower 7 to be provided with a high-temperature heating device which can heat and evaporate the raw materials, volatile components in the raw materials enter a gas phase, nonvolatile components in the gas phase are converted into a liquid phase, the gas phase is gathered to the top of the tower through a flow guide plate 8, nearly pure volatile components can be obtained at the top of the tower, nearly pure nonvolatile components can be obtained at the bottom of the tower, vapor led out from the top of the tower passes through a condenser 9, a part of condensate is used as reflux liquid and returns to the rectifying tower 7 from the top of the tower, the rest of the distillate is a product, and liquid led out from the bottom of the tower is partially gasified, the vapor rises along the tower, and the remaining liquid is taken as a tower bottom product, so that the rectification efficiency of the device is greatly improved.

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. The utility model provides a device for liquid high efficiency rectification, includes head tank (1) and rectifying column (7), its characterized in that: raw material tank (1) right side bottom position runs through and fixedly connected with filter (2), the first filter core of filter (2) inner wall left side position fixedly connected with (11), filter (2) inner wall intermediate position fixedly connected with second filter core (12), filter (2) inner wall right side position fixedly connected with third filter core (13), filter (2) right side position runs through and fixedly connected with raw material pump (3), raw material pump (3) top right side position is provided with heater (5), rectifying column (7) inside is provided with evenly distributed's drainage plate (8), drainage plate (8) top position runs through and fixedly connected with is intake pipe (14) densely covered.

2. The device for the high efficiency rectification of liquids as claimed in claim 1 wherein: the first filter element (11) can filter larger solid impurities in the raw materials, and the second filter element (12) can filter smaller impurities in the raw materials.

3. The device for high efficiency rectification of liquids as claimed in claim 1, wherein: the top of the outer diameter of the air inlet pipe (14) is penetrated and fixedly connected with a vent pipe (15), and the vent pipe (15) is penetrated and provided with densely distributed holes.

4. The device for the high efficiency rectification of liquids as claimed in claim 1 wherein: and a condenser (9) is arranged on the right side of the top of the rectifying tower (7).

5. The device for the high efficiency rectification of liquids as claimed in claim 1 wherein: a reboiler (6) is arranged on the right side of the bottom of the rectifying tower (7).

6. The device for the high efficiency rectification of liquids as claimed in claim 1 wherein: raw material pump (3), heater (5), rectifying column (7), reboiler (6) and condenser (9) all are through communicating pipe (4) UNICOM, be provided with valve (10) on communicating pipe (4).

7. The device for the high efficiency rectification of liquids as claimed in claim 1 wherein: the third filter element (13) can filter bacteria in raw materials.

8. The device for the high efficiency rectification of liquids as claimed in claim 1 wherein: and the raw material pump (3), the heater (5), the reboiler (6), the condenser (9) and the valve (10) are electrically connected with an external terminal.