CN210030497U

CN210030497U - Rectification separation system of toluene, methanol and water mixture

Info

Publication number: CN210030497U
Application number: CN201920244258.4U
Authority: CN
Inventors: 钟国栋; 桑鹏展; 王洪杰; 李宏
Original assignee: Yantai Zhichu New Chemical Materials Co Ltd
Current assignee: Yantai Zhichu New Chemical Materials Co Ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2020-02-07
Anticipated expiration: 2029-02-27

Abstract

The utility model discloses a rectification piece-rate system of toluene, methyl alcohol, water mixture, the rectification piece-rate system of toluene, methyl alcohol, water mixture, including rectifying still, heater and heating pot, rectifying still's top is equipped with the pan feeding pipe, the heating pot is fixed in rectifying still through the fixed plate, top bolt fastening has the condenser in the rectifying still, rectifying still lateral surface welded fastening has horizontal mounting panel, and the mounting panel bolt fastening has the air pump, and the entrance point of air pump passes through the exhaust tube and communicates with rectifying still, and the exit end of air pump communicates with external methyl alcohol collection device through the outlet duct, rectifying still installs the thermometer, and the side bottom of heating pot communicates with the external world through the collecting pipe; this device passes through separation toluene, methyl alcohol, the water mixture that rectification piece-rate system can be better, takes gaseous methyl alcohol out to liquefy in the methyl alcohol collection device under the effect of air pump simultaneously for methyl alcohol is collected and same equipment is not shared to water, makes the separation effect better.

Description

Rectification separation system of toluene, methanol and water mixture

Technical Field

The utility model belongs to the technical field of electrical engineering and specifically relates to a rectification piece-rate system of toluene, methyl alcohol, water mixture is related to.

Background

Toluene, methanol and water are mixed to obtain a mixture, if the mixture is separated, the mixture is generally separated by utilizing the difference of boiling points of the toluene, the methanol and the water, and a frequently-used separation device is a rectifying still.

However, most of the prior methanol, water and water separation devices adopt one set of device, namely, after the methanol and the water are heated to a certain temperature, substances are gasified and then liquefied and discharged after being condensed, but the methanol and the water are liquefied and discharged by adopting the same set of liquefaction device, so that the methanol and the water are stained with residues on the device, and the separation is not thorough.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A rectifying and separating system for toluene, methanol and water mixtures comprises a heater arranged at the bottom of a rectifying kettle, a heating pot is arranged inside the rectifying kettle, a feeding pipe is arranged at the top of the rectifying kettle and is adhesively fixed at the top of the rectifying kettle, the top of the rectifying kettle is passed through the upper end of the feeding pipe, the lower end of the feeding pipe is positioned right above the heating pot, the feeding pipe is added into the heating pot without mixing, the heating pipe is heated by the heater, so that the mixed toluene and methanol hydrate is separated, the heating pot is fixed in the rectifying kettle through a fixing plate, the fixing plate is in a round table shape with upper and lower bottom surfaces, the heating pot is welded and fixed on the upper top surface of the fixing plate, the lower bottom surface of the fixing plate is welded and fixed on the side surface of the rectifying kettle, a drain pipe is arranged at the side surface of the fixing plate and the rectifying kettle, a condenser is fixed at the top part in the rectifying kettle by a bolt, the heated water vapor is solidified after meeting the condenser, the solidified water vapor falls onto the fixed plate and is collected along the fixed plate and discharged from the drain pipe, a horizontal mounting plate is welded and fixed on the outer side surface of the rectifying kettle, an air pump is fixed on the mounting plate through bolts, the inlet end of the air pump is communicated with the rectifying kettle through an exhaust tube, one end of the exhaust tube is positioned in a cavity above the heating kettle, the outlet end of the air pump is communicated with an external methanol collecting device through an air outlet tube, when the methanol is heated and is emitted into gas, the gas is emitted into a cavity above the heating pot, the gas pump pumps the methanol out through the exhaust pipe, the pumped methanol is collected into an external methanol collecting device, the rectifying kettle is provided with a thermometer, the device is used for observing the temperature inside the internal rectifying kettle, and the bottom end of the side surface of the heating kettle is communicated with the outside through a collecting pipe and an external methylbenzene collecting device through the collecting pipe.

As a further aspect of the present invention: and a drain valve is arranged on the drain pipe.

As a further aspect of the present invention: and a feeding valve is arranged on the feeding pipe.

As a further aspect of the present invention: the fixed plate is provided with a water chute along the direction of the side surface of the fixed plate in an excavating mode.

As a further aspect of the present invention: the condenser selects a condensing sheet.

As a further aspect of the present invention: the heater is an electric heating tube.

As a further aspect of the present invention: the collecting pipe is provided with a control valve.

The utility model has the advantages that: this device passes through separation toluene, methyl alcohol, the water mixture that rectification piece-rate system can be better, takes gaseous methyl alcohol out to liquefy in the methyl alcohol collection device under the effect of air pump simultaneously for methyl alcohol is collected and same equipment is not shared to water, makes the separation effect better.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the fixing plate of the present invention.

In the figure: 1-rectifying still, 2-heater, 3-heating pan, 4-feeding pipe, 41-feeding valve, 5-fixing plate, 51-water guiding groove, 6-water discharging pipe, 61-water discharging valve, 7-condenser, 8-mounting plate, 9-air pump, 10-air pumping pipe, 11-air outlet pipe, 12-thermometer, 13-collecting pipe, 131-control valve.

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.

Referring to fig. 1-2, in an embodiment of the present invention, a distillation separation system for a mixture of toluene, methanol and water includes a heater 2 disposed at the bottom of a distillation still 1, a heating pan 3 disposed inside the distillation still 1, a feeding tube 4 disposed at the top of the distillation still 1, the feeding tube 4 being adhesively fixed at the top of the distillation still 1, the upper end of the feeding tube 4 passing through the top of the distillation still 1, the lower end of the feeding tube 4 being located right above the heating pan 3, the feeding tube 1 being filled with a mixture not filled into the heating pan 3, the heating tube 2 being heated to separate hydrates of toluene and methanol mixed therein, the heating pan 3 being fixed in the distillation still 1 by a fixing plate 5, the fixing plate 5 being in the shape of a circular truncated cone with upper and lower bottom surfaces, the heating pan 2 being welded to the upper top surface of the fixing plate 5, the lower bottom surface of the fixing plate 5 being welded to the side surface of the, and the fixed plate 5 and the rectifying still 1 are welded at the side surface place with a drain pipe 6, the rectifying still 1 is fixed with a condenser 7 by a bolt at the top, the heated vapor is solidified after meeting the condenser 7, the solidified vapor can drop on the fixed plate 5 and is discharged from the drain pipe 6 along the fixed plate 5, the outer side surface of the rectifying still 1 is fixed with a horizontal mounting plate 8 by a bolt, the mounting plate 8 is fixed with an air pump 9 by a bolt, the inlet end of the air pump 9 is communicated with the rectifying still 1 by an exhaust tube 10, one end of the exhaust tube 10 is positioned in the cavity above the heating pan 3, the outlet end of the air pump 9 is communicated with an external methanol collecting device by an air outlet tube 11, when the methanol is heated and is diffused into gas, the gas is diffused into the cavity above the heating pan 3, the air pump 9 pumps the methanol by the exhaust tube 10, and the pumped methanol is collected, the temperature meter 12 is installed to rectifying still 1 for observe the inside temperature of inside rectifying still 1, and the side bottom of heating pot 3 communicates with the external world through collecting pipe 13, communicates with external toluene collection device through collecting pipe 13.

A drain valve 61 is installed on the drain pipe 6.

And a feeding valve 41 is arranged on the feeding pipe 4.

The fixing plate 5 is provided with a water chute 51 along the side of the fixing plate.

The condenser 7 selects a condensing sheet.

The heater 2 is an electric heating tube.

The collecting pipe 13 is provided with a control valve 131.

The toluene collecting device is communicated with the methanol collecting device, and the toluene and methanol collecting device is a common device for storing toluene and methanol.

The utility model discloses a theory of operation is: add from pan feeding pipe 1 and mix in not having heating pot 3, heat through heater 2, make mixed toluene, the hydrate separation of methyl alcohol, it is concrete, heat the temperature to about 70 ℃ earlier, when methyl alcohol is heated and is gived off into gas, in the cavity of heating pot 3 top, air pump 9 takes out methyl alcohol gas through exhaust tube 10, collect the methyl alcohol of extraction in the external methyl alcohol collection device, simultaneously pass through, air pump 9 takes out inside steam, be convenient for prevent the high temperature, later continue to heat, with temperature control about 105 ℃, water vapor after the heating solidifies after meetting condenser 7, the steam after the solidification can drop on fixed plate 5, collect along fixed plate 5 and discharge from drain pipe 6, collect the remaining toluene in heating pot 3 in the toluene collection device through collecting pipe 13.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a rectification piece-rate system of toluene, methyl alcohol, water mixture, the rectification piece-rate system of toluene, methyl alcohol, water mixture, including the bottom of rectifying still be provided with the heater, the inside of rectifying still is equipped with the heating pot, and the top of rectifying still is equipped with the pan feeding pipe, and pan feeding pipe adhesive bonding is at the top of rectifying still, and the top of rectifying still is passed to the upper end of pan feeding pipe, and its characterized in that, the lower extreme of pan feeding pipe is located directly over the heating pot, the heating pot is fixed in the rectifying still through the fixed plate, the shape of fixed plate is the round platform of bottom surface from top to bottom, and heating pot welded fastening is on the last top of fixed plate, and bottom surface welded fastening is on the side of rectifying still under the fixed plate, and the side welded place of fixed plate and rectifying still is equipped with the drain pipe, top bolt fastening has the condenser in the rectifying still, rectifying still lateral, the mounting panel bolt fastening has the air pump, and the entrance point of air pump passes through exhaust tube and rectifying still intercommunication, and the one end of exhaust tube is located the cavity of heating pot top, and the exit end of air pump passes through outlet duct and external methyl alcohol collection device intercommunication, the thermometer is installed to the rectifying still, and the collecting pipe and external intercommunication are passed through to the side bottom of heating pot.

2. The rectification separation system for toluene, methanol and water mixture according to claim 1, wherein a drain valve is installed on the drain pipe.

3. The system for rectifying and separating a toluene, methanol and water mixture as claimed in claim 1, wherein a feed valve is installed on the feed pipe.

4. The system for rectifying and separating a toluene, methanol and water mixture as claimed in claim 1, wherein the fixed plate is dug with water chutes running along the side surface of the fixed plate.

5. The system for rectifying and separating a toluene, methanol and water mixture according to claim 1, wherein the condenser is a condensing sheet.

6. The system for rectifying and separating a toluene, methanol and water mixture according to claim 1, wherein the heater is an electric heating pipe.

7. The system for rectifying and separating a toluene, methanol and water mixture according to claim 1, wherein the collecting pipe is provided with a control valve.