CN210409556U

CN210409556U - Methanol recovery tower for isooctane production

Info

Publication number: CN210409556U
Application number: CN201920722631.2U
Authority: CN
Inventors: 王春刚; 杨眉; 孙新生
Original assignee: Dongying Kede Chemical Co ltd
Current assignee: Dongying Kede Chemical Co ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-04-28
Anticipated expiration: 2029-05-20

Abstract

A methanol recovery tower for isooctane production comprises a box body, wherein a through hole is arranged on the left side of the box body, a rotating shaft of a motor is connected with a bearing in the through hole, the right side of the motor is fixedly connected with the left side of the box body, the right end of the rotating shaft of the motor is positioned at the left end of a transverse shaft fixedly connected in the box body, a first helical gear is fixedly installed at the right end of the transverse shaft, the inner wall of the right side of the box body is fixedly connected with the right end of a fixed shaft coaxial with the transverse shaft, the left end of the fixed shaft is fixedly connected with the right side of a shaft seat, a vertical shaft is installed in the shaft seat through the bearing, a coaxial second helical gear is fixedly installed at the upper part of the periphery of the vertical shaft, the second helical gear is meshed with the first helical gear, a plurality of stirring blades are fixedly installed at the periphery of the transverse shaft, a coaxial first annular plate is, the inner sides of the connecting plates are respectively towards the axis of the transverse shaft. The utility model discloses simple structure uses the simple operation.

Description

Methanol recovery tower for isooctane production

Technical Field

The utility model belongs to methyl alcohol recovery tower field, specifically speaking are methyl alcohol recovery tower is used in isooctane production.

Background

Isooctane is a standard substance for testing the antiknock performance of gasoline, a primary finished product in the production of isooctane contains a small amount of methanol, the boiling point of isooctane is 99.2 ℃, the boiling point of methanol is 64.7 ℃, the methanol in isooctane is generally filtered and recovered by adopting a distillation mode, and because the temperature difference between the boiling points of isooctane and methanol is not very large, the heating temperature needs to be strictly controlled during distillation, so that the phenomenon that the isooctane is vaporized along with methanol due to overhigh local temperature, namely the waste of isooctane is caused, and the recovered methanol is impure is avoided, so that the isooctane containing methanol needs to be continuously stirred during heating, and the heated liquid is uniformly heated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a methanol recovery tower is used in isooctane production for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a methanol recovery tower for isooctane production comprises a box body, wherein a through hole is arranged on the left side of the box body, a rotating shaft of a motor is connected with a bearing in the through hole, the right side of the motor is fixedly connected with the left side of the box body, the right end of the rotating shaft of the motor is positioned at the left end of a transverse shaft fixedly connected in the box body, a first helical gear is fixedly installed at the right end of the transverse shaft, the inner wall of the right side of the box body is fixedly connected with the right end of a fixed shaft coaxial with the transverse shaft, the left end of the fixed shaft is fixedly connected with the right side of a shaft seat, a vertical shaft is installed in the shaft seat through the bearing, a coaxial second helical gear is fixedly installed at the upper part of the periphery of the vertical shaft, the second helical gear is meshed with the first helical gear, a plurality of stirring blades are fixedly installed at the periphery of the transverse shaft, a coaxial first annular plate is, the inner sides of the connecting plates face the axis of the transverse shaft respectively, and the right ends of the connecting plates are fixedly connected with the left side of the second annular plate respectively; the upper portion on box right side is equipped with the observation window, the bottom fixed mounting heating pipe of box, the first temperature sensor of lower extreme fixed mounting of box left side inner wall, the downside of observation window is equipped with the second temperature sensor with box fixed connection, the material filling hole is seted up respectively to the top side of box, the exhaust hole, the relief hole is seted up to the bottom of box, the material filling hole, the exhaust hole is with the interior fixed mounting valve of relief hole respectively, the left side fixed mounting controller of box, including a motor, the heating pipe is connected with the output end circuit of controller respectively, first temperature sensor, the second temperature sensor is connected with the input end circuit of controller respectively.

According to the methanol recovery tower for producing isooctane, the right sides of the connecting plates are respectively provided with the grooves.

According to the methanol recovery tower for producing isooctane, the observation window is in a structure that high-temperature toughened glass is fixedly arranged in the rectangular through groove formed in the upper part of the right side of the box body, and the inside and the outside of the box body are not communicated through the observation window.

According to the methanol recovery tower for producing isooctane, the left sides of the first annular plate and the second annular plate are respectively and uniformly provided with a plurality of small through holes.

In the methanol recovery tower for producing isooctane, the rotation range of the stirring blade is within the circle of the inner side of the connecting plate.

According to the methanol recovery tower for producing isooctane, the top side of the box body is fixedly provided with a plurality of supporting legs.

The utility model has the advantages that: the utility model discloses simple structure uses the simple operation, combines together through vertical stirring and horizontal stirring, can make the isooctane liquid even heating who contains methyl alcohol, avoids the isooctane vaporization that local high temperature leads to, raises liquid simultaneously, is favorable to overflowing vaporization of methyl alcohol in the liquid to increase the efficiency that methyl alcohol vaporization was retrieved, can monitor the temperature near the heating pipe, avoid heating the excessive waste that causes, can satisfy the market demand, be fit for promoting. Use the utility model discloses the time, be linked together valve in the exhaust hole and methyl alcohol vaporization cooling chamber, valve in discharge hole is under the closed condition, open the downthehole valve of notes material, pour into isooctane through annotating the material hole and just finished product into in the box, to isooctane just finished product liquid arrival observation window lower part position, stop to pour into and close this valve, for this device circular telegram, controller control heating pipe sets up and heats isooctane just finished product cask, first temperature sensor can feed back the temperature of near isooctane just finished product liquid near the bottom half constantly to the controller, when the feedback temperature is higher than 85 ℃, controller control heating pipe stops heating, when the feedback temperature is less than 70 ℃, controller control heating pipe sets up the heating again, when the heating pipe heating, controller control motor rotates, the pivot of motor drives first annular plate through the cross axle, The connecting plate, the second annular plate rotates, the connecting plate can vertically stir liquid, make liquid mix from top to bottom, when the connecting plate leaks liquid, can raise a part of liquid, be favorable to the vaporization of methyl alcohol in the liquid to separate out, the cross axle passes through first helical gear simultaneously, the second helical gear drives the vertical axis and rotates, the vertical axis drives the horizontal stirring liquid of stirring leaf, make the more even of liquid mixing, be favorable to the even heating of liquid, the methyl alcohol vapour that the liquid level spills over passes through the exhaust hole, the valve gets into methyl alcohol vaporization cooling chamber, when the temperature that second temperature sensor monitored is higher than 84 ℃, the stop rotation after controller control motor continues to rotate five minutes, valve through the discharge hole after cutting off the power supply for this device is with liquid discharge box, accomplish the recovery of methyl alcohol once.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is an enlarged view of the view from the direction a of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A methanol recovery tower for producing isooctane is disclosed, as shown in the figure, comprising a box body 1, a through hole 2 is arranged on the left side of the box body 1, a rotating shaft of a motor 3 is connected with the inner bearing of the through hole 2, the right side of the motor 3 is fixedly connected with the left side of the box body 1, the right end of the rotating shaft of the motor 3 is positioned at the left end of a transverse shaft 4 fixedly connected in the box body 1, a first helical gear 5 is fixedly arranged at the right end of the transverse shaft 4, a fixed shaft 6 coaxial with the transverse shaft 4 is fixedly connected with the inner wall of the right side of the box body 1, the left end of the fixed shaft 6 is fixedly connected with the right side of a shaft seat 7, a vertical shaft 8 is arranged in the shaft seat 7 by a bearing, a second helical gear 9 coaxial with the upper part of the periphery of the vertical shaft 8 is fixedly arranged, the second helical gear 9 is meshed with the first helical gear 5, a plurality of stirring blades 10, the edge of the right side of the first annular plate 11 is uniformly and fixedly connected with the left ends of a plurality of connecting plates 13 which are distributed circumferentially, the inner sides of the connecting plates 13 respectively face the axis of the transverse shaft 4, and the right ends of the connecting plates 13 are respectively and fixedly connected with the left side of the second annular plate 12; the upper portion on box 1 right side is equipped with observation window 14, the bottom fixed mounting heating pipe 15 of box 1, the first temperature sensor 16 of lower extreme fixed mounting of box 1 left side inner wall, the downside of observation window 14 is equipped with the second temperature sensor 25 with box 1 fixed connection, the top side of box 1 is seted up notes material hole 17 respectively, exhaust hole 18, relief hole 19 is seted up to the bottom of box 1, annotate material hole 17, exhaust hole 18 and relief hole 19 in respectively fixed mounting valve 20, the left side fixed mounting controller 21 of box 1, motor 3, heating pipe 15 respectively with controller 21's output end circuit connection, first temperature sensor 16, second temperature sensor 25 respectively with controller 21's input end circuit connection. The utility model discloses simple structure uses the simple operation, combines together through vertical stirring and horizontal stirring, can make the isooctane liquid even heating who contains methyl alcohol, avoids the isooctane vaporization that local high temperature leads to, raises liquid simultaneously, is favorable to overflowing vaporization of methyl alcohol in the liquid to increase the efficiency that methyl alcohol vaporization was retrieved, can monitor the temperature near the heating pipe, avoid heating the excessive waste that causes, can satisfy the market demand, be fit for promoting. When the utility model is used, the valve 20 in the exhaust hole 18 is communicated with the methanol vaporization cooling chamber, the valve 20 in the discharge hole 19 is in a closed state, the valve 20 in the material injection hole 17 is opened, isooctane primary product is injected into the box body 1 through the material injection hole 17, the injection is stopped and the valve is closed until the isooctane primary product liquid reaches the lower position of the observation window 14, the device is powered on, the controller 21 controls the heating pipe 15 to heat the isooctane primary product barrel, the first temperature sensor 16 can feed back the temperature of the isooctane primary product liquid near the bottom of the box body 1 to the controller 21 at any time, when the feedback temperature is higher than 85 ℃, the controller 21 controls the heating pipe 15 to stop heating, when the feedback temperature is lower than 70 ℃, the controller 21 controls the heating pipe 15 to re-heat, when the heating pipe 15 heats, the controller 21 controls the motor 3 to rotate, the rotating shaft of the motor 3 drives the first annular plate 11, the connecting plate 13 and the second annular plate 12 to rotate through the transverse shaft 4, the connecting plate 13 can vertically stir liquid to enable the liquid to be mixed up and down, meanwhile, when the connecting plate 13 leaks out of the liquid surface, a part of liquid can be lifted, which is beneficial to the vaporization and the precipitation of the methanol in the liquid, meanwhile, the horizontal shaft 4 drives the vertical shaft 8 to rotate through the first bevel gear 5 and the second bevel gear 9, the vertical shaft 8 drives the stirring blade 10 to transversely stir the liquid, so that the liquid is mixed more uniformly, the uniform heating of the liquid is facilitated, the methanol gas overflowing from the liquid level enters the methanol vaporization cooling chamber through the exhaust hole 18 and the valve 20, when the temperature monitored by the second temperature sensor 25 is higher than 84 ℃, the controller 21 controls the motor 3 to continue rotating for five minutes and then stop rotating, and after the device is powered off, liquid is discharged out of the box body through the valve 20 of the discharge hole 19, so that primary methanol recovery is completed.

Specifically, as shown in the drawings, the right side of the connecting plate 13 according to the present embodiment is provided with grooves 22. The liquid can enter the groove 22, so that the connecting plate 13 can lift the liquid, and the volatilization and vaporization of the methanol in the liquid are facilitated.

Specifically, as shown in the figure, the observation window 14 according to this embodiment is configured such that high-temperature tempered glass is fixedly installed in a rectangular through groove formed in the upper portion of the right side of the box body 1, and the inside and the outside of the box body 1 are not communicated through the observation window 14. The liquid level inside the tank 1 can be observed through the high-temperature tempered glass in the observation window 14.

Further, as shown in the figure, the left sides of the first annular plate 11 and the second annular plate 12 of the present embodiment are respectively and uniformly provided with a plurality of small through holes 23. The liquid between the first annular plate 11 and the second annular plate 12 is mixed with the liquid outside, and the mixing and heating of the liquid inside the box body 1 are facilitated.

Further, as shown in the figure, the rotation range of the stirring vane 10 according to the present embodiment is within the circle of the inner side of the connecting plate 13. The stirring blade 10 is not contacted with the connecting plate 13, so that the mutual influence of the rotation of the stirring blade 10 and the rotation of the connecting plate 13 is avoided.

Further, as shown in the drawings, a plurality of support legs 24 are fixedly installed on the top side of the case 1 according to the embodiment. The case 1 can be placed on the ground by the support legs 24.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A methanol recovery tower for isooctane production is characterized in that: comprises a box body (1), a through hole (2) is arranged on the left side of the box body (1), the rotating shaft of a motor (3) is connected with the inner bearing of the through hole (2), the right side of the motor (3) is fixedly connected with the left side of the box body (1), the right end of the rotating shaft of the motor (3) is positioned at the left end of a transverse shaft (4) fixedly connected in the box body (1), a first helical gear (5) is fixedly arranged at the right end of the transverse shaft (4), a fixed shaft (6) coaxial with the transverse shaft (4) is fixedly connected with the inner wall of the right side of the box body (1), the left end of the fixed shaft (6) is fixedly connected with the right side of a shaft seat (7), a vertical shaft (8) is arranged on the inner bearing of the shaft seat (7), a second helical gear (9) coaxial with the upper part of the periphery of the vertical shaft (8) is fixedly arranged, the second helical gear (9) is meshed and matched with the first helical gear (5), a plurality of stirring blades, a coaxial second annular plate (12) is mounted on the right side of the periphery of the fixed shaft (6) in a bearing mode, the left ends of a plurality of circumferentially distributed connecting plates (13) are uniformly and fixedly connected to the edge of the right side of the first annular plate (11), the inner sides of the connecting plates (13) face the axis of the transverse shaft (4) respectively, and the right ends of the connecting plates (13) are fixedly connected with the left side of the second annular plate (12) respectively; an observation window (14) is arranged at the upper part of the right side of the box body (1), a heating pipe (15) is fixedly arranged at the bottom of the box body (1), a first temperature sensor (16) is fixedly arranged at the lower end of the inner wall of the left side of the box body (1), a second temperature sensor (25) fixedly connected with the box body (1) is arranged at the lower side of the observation window (14), a material injection hole (17) and an exhaust hole (18) are respectively arranged at the top side of the box body (1), a material discharge hole (19) is arranged at the bottom of the box body (1), valves (20) are respectively and fixedly arranged in the material injection hole (17), the exhaust hole (18) and the material discharge hole (19), a controller (21) and a motor (, the heating pipe (15) is respectively connected with an output end circuit of the controller (21), and the first temperature sensor (16) and the second temperature sensor (25) are respectively connected with an input end circuit of the controller (21).

2. The methanol recovery tower for producing isooctane according to claim 1, wherein: the right side of the connecting plate (13) is respectively provided with a groove (22).

3. The methanol recovery tower for producing isooctane according to claim 1, wherein: the observation window (14) is structurally characterized in that high-temperature toughened glass is fixedly arranged in a rectangular through groove formed in the upper portion of the right side of the box body (1), and the inside and the outside of the box body (1) are not communicated through the observation window (14).

4. The methanol recovery tower for producing isooctane according to claim 1, wherein: the left sides of the first annular plate (11) and the second annular plate (12) are respectively and uniformly provided with a plurality of small through holes (23).

5. The methanol recovery tower for producing isooctane according to claim 1, wherein: the rotating range of the stirring blade (10) is in the inner part of the circle of the inner side of the connecting plate (13).

6. The methanol recovery tower for producing isooctane according to claim 1, wherein: and a plurality of supporting legs (24) are fixedly arranged on the top side of the box body (1).