CN210384884U

CN210384884U - Reactive distillation tower

Info

Publication number: CN210384884U
Application number: CN201921058038.9U
Authority: CN
Inventors: 陶俊杰; 陶惠新
Original assignee: Zhangjiagang Feihang Technology Co ltd
Current assignee: Zhangjiagang Feihang Technology Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-24
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to a chemical production equipment technical field especially relates to a reaction distillation tower, once filter the product through the filter, filter the foam that the steam carried through the bubble cap board, thereby guarantee the precision of distillation, through baffle and the atmospheric pressure automatic valve that sets up in the baffle, the atmospheric pressure automatic valve is opened after the atmospheric pressure of inner chamber lower extreme reaches a definite value, the steam is discharged, and the speed of discharging is great, carry out the secondary heating evaporation through second hot plate and first hot plate to steam, improve distillation efficiency, preheat the product through heat exchange device, improve the heat utilization ratio of device; the tower comprises a tower body, a liquid inlet pipe, a filter plate, a heating device, a gas outlet pipe and a condensing device, wherein an inner cavity is arranged in the tower body; the device also comprises a bubble cap plate, a partition plate, an exhaust port, an air pressure automatic valve, a first heating plate, a second heating plate, a heat exchange device and a liquid supplementing pipe.

Description

Reactive distillation tower

Technical Field

The utility model relates to a chemical production equipment technical field especially relates to a reactive distillation tower.

Background

As is known, the distillation tower is a chemical device made of rare metal titanium and other materials and alloy materials thereof, and has the characteristics of high strength, high toughness, high temperature resistance, corrosion resistance, light specific gravity and the like; therefore, the method is widely applied to the fields of chemical industry, petrochemical industry, metallurgy, light industry, textile, alkali preparation, pharmacy, pesticide, electroplating, electronics and the like.

The reactive distillation tower is an auxiliary device which is used for heating and evaporating raw materials in the chemical production and processing process so as to separate components in the raw materials according to different boiling points, and is widely used in the technical field of chemical production equipment; the existing reactive distillation tower comprises a tower body, a liquid inlet pipe, a filter plate, a heating device, a gas outlet pipe and a condensing device; when the existing reactive distillation tower is used, liquid is added into the tower through a liquid inlet, the liquid is heated through a heating device, and generated steam is discharged into a condensing device through a gas outlet to be condensed; the existing reactive distillation tower is found in use that liquid obtained by distillation contains more impurities, the distillation effect is not good enough, the distillation precision is not enough, the air outlet speed of steam is not high, and the heat utilization rate is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a distillation effect is good and heat utilization rate is higher reaction distillation tower.

The utility model discloses a reactive distillation tower, including tower body, inlet, feed liquor pipe, filter, heating device, gas outlet, outlet duct and condensing equipment, the inside of tower body is provided with the inner chamber, the inlet is fixed to be set up in the middle-end left side of tower body, the right-hand member and the inlet fixed connection of feed liquor pipe, the filter is fixed to be set up in the bottom of inner chamber, heating device encircles and sets up in the inner chamber, the gas outlet is fixed to be set up in the top of tower body, the top and the gas outlet fixed connection of outlet duct, condensing; the device also comprises a bubble plate, a clapboard, an exhaust port, an air pressure automatic valve, a first heating plate, a second heating plate, a heat exchange device and a liquid supplementing pipe, wherein the bubble plate is fixedly arranged at the middle end of the inner cavity, the clapboard is positioned above the bubble plate, the exhaust port is arranged at the middle end of the clapboard, a plurality of exhaust ports are uniformly distributed at the middle end of the clapboard, the air pressure automatic valve is fixedly arranged in the exhaust port, the first heating plate is fixedly arranged at the top end of the inner cavity, the second heating plate is positioned above the first heating plate, the first heating plate is positioned above the clapboard, the heat exchange device is positioned at the left side of the tower body, the bottom end of the air outlet pipe is fixedly connected with the top end of the heat exchange, the lower side of the left end of the heat exchange device is fixedly connected with the right end of the liquid supplementing pipe.

The utility model discloses a reactive distillation tower still includes agitator motor, (mixing) shaft and stirring vane, and agitator motor is fixed to be set up in the bottom of tower body, and the (mixing) shaft is fixed to be set up in agitator motor's top, and the top of (mixing) shaft upwards passes the bottom that the tower body inserted the inner chamber from the bottom of tower body, and stirring vane is fixed to be set up because the middle-end of (mixing) shaft.

The utility model discloses a reactive distillation tower still includes the swash plate, and the swash plate is fixed to be set up in the bottom of inner chamber, and the outside survey of swash plate is higher than inboard.

The utility model discloses a reactive distillation tower, still include heat exchange device and include heat transfer spiral pipe, heat transfer standpipe and heat transfer medium, the heat transfer standpipe is fixed to be set up in the inside middle-end of heat exchange device, the bottom and the fluid infusion pipe fixed connection of heat transfer standpipe, the top and the feed liquor pipe fixed connection of heat transfer standpipe, heat transfer spiral pipe spiral encircle with the middle-end of heat transfer standpipe, the top of heat transfer spiral pipe and the bottom fixed connection of outlet duct; the heat exchange medium is arranged in the heat exchange device.

The utility model discloses a reactive distillation tower still includes the check valve, and the check valve is fixed to be set up in the middle-end of feed liquor pipe.

The utility model discloses a reactive distillation tower still includes the liquid collecting box, and the top of liquid collecting box leads to water piping connection with condensing equipment's bottom.

The utility model discloses a reactive distillation tower still includes the drain board, and the drain board is fixed to be set up in condensing equipment's bottom, and the outside of drain board is higher than inboard.

The utility model discloses a reactive distillation tower still includes four group's foundation columns, the top of four group's foundation columns respectively with the bottom left front side of tower body, left rear side, right front side and right rear side fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that: when using the reaction distillation tower to separate chemical products, once filter the product through the filter, filter the foam that vapor carried through the bubble cap board, thereby guarantee the distilled precision, through the baffle with set up the atmospheric pressure automatic valve in the baffle, the atmospheric pressure automatic valve is opened after the atmospheric pressure of inner chamber lower extreme reaches a definite value, steam is discharged, and exhaust speed is great, carry out the secondary heating evaporation through second hot plate and first hot plate to vapor, improve distillation efficiency, preheat the product through heat exchange device, the heat utilization rate of the improvement device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the separator of the present invention;

FIG. 3 is an internal schematic view of the heat exchange apparatus of the present invention;

fig. 4 is a schematic connection diagram of the drain plate of the present invention;

in the drawings, the reference numbers: 1. a tower body; 2. a liquid inlet; 3. a liquid inlet pipe; 4. a filter plate; 5. a heating device; 6. an air outlet; 7. an air outlet pipe; 8. a condensing unit; 9. an inner cavity; 10. a bubble cap plate; 11. a partition plate; 12. an exhaust port; 13. an air pressure automatic valve; 14. a first heating plate; 15. a second heating plate; 16. a heat exchange device; 17. a liquid supplementing pipe; 18. a stirring motor; 19. a stirring shaft; 20. a stirring blade; 21. a sloping plate; 22. a heat exchange spiral pipe; 23. a heat exchange vertical pipe; 24. a heat exchange medium; 25. a one-way valve; 26. a liquid collection tank; 27. a drainage plate; 28. a bottom pillar.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the utility model discloses a reactive distillation tower, which comprises a tower body 1, a liquid inlet 2, a liquid inlet pipe 3, a filter plate 4, a heating device 5, a gas outlet 6, a gas outlet pipe 7 and a condensing device 8, wherein the tower body 1 is internally provided with an inner cavity 9, the liquid inlet 2 is fixedly arranged at the left side of the middle end of the tower body 1, the right end of the liquid inlet pipe 3 is fixedly connected with the liquid inlet 2, the filter plate 4 is fixedly arranged at the bottom end of the inner cavity 9, the heating device 5 is arranged in the inner cavity 9 in a surrounding manner, the gas outlet 6 is fixedly arranged at the top end of the tower body 1, the top; still include bubble lid board 10, baffle 11, gas vent 12, atmospheric pressure automatic valve 13, first hot plate 14, second hot plate 15, heat exchange device 16 and fluid infusion pipe 17, bubble lid board 10 is fixed to be set up in the middle-end of inner chamber 9, baffle 11 is located the top of bubble lid board 10, gas vent 12 sets up in the middle-end of baffle 11, gas vent 12 a plurality of and evenly distributed are in the middle-end of baffle 11, atmospheric pressure automatic valve 13 is fixed to be set up in gas vent 12, first hot plate 14 is fixed to be set up in the top of inner chamber 9, second hot plate 15 is located the top of first hot plate 14, first hot plate 14 is located the top of baffle 11, heat exchange device 16 is located the left side of tower body 1, the bottom of outlet duct 7 and the top fixed connection of heat exchange device 16, the left end of the liquid inlet pipe 3 is fixedly connected with the upper side of the right end of the heat exchange device 16, and the lower side of the left end of the heat exchange device 16 is fixedly connected with the right end of the liquid supplementing pipe 17; when using the reaction distillation tower to separate chemical products, once filter the product through the filter, filter the foam that vapor carried through the bubble cap board, thereby guarantee the distilled precision, through the baffle with set up the atmospheric pressure automatic valve in the baffle, the atmospheric pressure automatic valve is opened after the atmospheric pressure of inner chamber lower extreme reaches a definite value, steam is discharged, and exhaust speed is great, carry out the secondary heating evaporation through second hot plate and first hot plate to vapor, improve distillation efficiency, preheat the product through heat exchange device, the heat utilization rate of the improvement device.

The utility model discloses a reactive distillation tower, still include agitator motor 18, (mixing) shaft 19 and stirring vane 20, agitator motor 18 is fixed to be set up in the bottom of tower body 1, and (mixing) shaft 19 is fixed to be set up in the top of agitator motor 18, and the top of (mixing) shaft 19 passes tower body 1 from the bottom of tower body 1 upwards and inserts the bottom of inner chamber 9, and stirring vane 20 is fixed to be set up because the middle-end of (mixing) shaft 19; the stirring blades are driven to rotate by the stirring motor, so that the heating uniformity is ensured, and the heating efficiency is improved.

The utility model discloses a reactive distillation tower, which also comprises an inclined plate 21, wherein the inclined plate 21 is fixedly arranged at the bottom end of the inner cavity 9, and the outer side of the inclined plate 21 is higher than the inner side; dead angles are eliminated through the inclined plate, and uniform heating is guaranteed.

The utility model discloses a reactive distillation tower, still include that heat exchange device 16 includes heat transfer spiral pipe 22, heat transfer standpipe 23 and heat transfer medium 24, heat transfer standpipe 23 is fixed to be set up in the inside middle-end of heat exchange device 16, the bottom and the fluid infusion pipe 17 fixed connection of heat transfer standpipe 23, the top and the feed liquor pipe 3 fixed connection of heat transfer standpipe 23, heat transfer spiral pipe 22 spiral encircle with the middle-end of heat transfer standpipe 23, the top and the bottom fixed connection of outlet duct 7 of heat transfer spiral pipe 22; a heat exchange medium 24 is disposed within the heat exchange device 16; the heat exchange efficiency is improved through the heat exchange spiral pipe.

The reactive distillation tower of the utility model also comprises a one-way valve 25, wherein the one-way valve 25 is fixedly arranged at the middle end of the liquid inlet pipe 3; the steam is prevented from flowing backwards through the one-way valve.

The reactive distillation tower of the utility model also comprises a liquid collecting tank 26, wherein the top end of the liquid collecting tank 26 is connected with the bottom end of the condensing device 8 through a water pipe; the condensate is collected by a header tank.

The reactive distillation tower of the utility model also comprises a liquid discharge plate 27, the liquid discharge plate 27 is fixedly arranged at the bottom end of the condensing device 8, and the outer side of the liquid discharge plate 27 is higher than the inner side; the liquid discharge plate is convenient for discharging the condensate in the condensing device.

The reactive distillation tower of the utility model also comprises four groups of bottom columns 28, wherein the top ends of the four groups of bottom columns 28 are respectively fixedly connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the tower body 1; the tower body is stably supported through the bottom column.

The utility model discloses a reactive distillation tower, when using the reactive distillation tower to separate chemical products, carry out the primary filtration through the filter plate to the products, filter the foam that vapour carried through the bubble plate, thereby guarantee the distilled precision, through the baffle and the atmospheric pressure automatic valve that sets up in the baffle, the atmospheric pressure automatic valve is opened after the atmospheric pressure of inner chamber lower extreme reaches a definite value, the vapour is discharged, and the speed of discharging is great, carry out the secondary heating evaporation through second hot plate and first hot plate to vapour, improve the distillation efficiency, preheat the products through heat exchange device, improve the heat utilization ratio of device, drive the stirring vane rotation through agitator motor, guarantee to heat evenly, improve the heating efficiency, eliminate the dead angle through the swash plate, guarantee to heat evenly, improve the heat exchange efficiency through the heat exchange spiral pipe, prevent vapour refluence through the check valve, collect the condensate through the header tank, be convenient for discharge the condensate in the condensing equipment through the flowing back board, through the sill pillar stable support tower body, before accomplishing above-mentioned action, at first will remove the position that the user needs.

The utility model discloses a reactive distillation tower, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to the concrete structure, model and the coefficient index of all its parts are its from taking the technique, as long as can reach all can implementing of its beneficial effect, so do not add at many and give unnecessary details.

In the case where no description is made to the contrary, the term "about the upper, lower, left, right, front, rear, inner, and vertical, horizontal" as used herein means only the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a reactive distillation tower, including tower body (1), inlet (2), feed liquor pipe (3), filter (4), heating device (5), gas outlet (6), outlet duct (7) and condensing equipment (8), the inside of tower body (1) is provided with inner chamber (9), inlet (2) are fixed to be set up in the middle-end left side of tower body (1), the right-hand member and inlet (2) fixed connection of feed liquor pipe (3), filter (4) are fixed to be set up in the bottom of inner chamber (9), heating device (5) encircle to be set up in inner chamber (9), gas outlet (6) are fixed to be set up in the top of tower body (1), the top and gas outlet (6) fixed connection of outlet duct (7), condensing equipment (8) are located the left side of tower body (1); it is characterized by further comprising a bubble cap plate (10), a partition plate (11), an air outlet (12), an air pressure automatic valve (13), a first heating plate (14), a second heating plate (15), a heat exchange device (16) and a liquid supplementing pipe (17), wherein the bubble cap plate (10) is fixedly arranged at the middle end of the inner cavity (9), the partition plate (11) is positioned above the bubble cap plate (10), the air outlet (12) is arranged at the middle end of the partition plate (11), the air outlet (12) is provided with a plurality of air outlets (12) and is uniformly distributed at the middle end of the partition plate (11), the air pressure automatic valve (13) is fixedly arranged in the air outlet (12), the first heating plate (14) is fixedly arranged at the top end of the inner cavity (9), the second heating plate (15) is fixedly arranged at the top end of the inner cavity (9), and the second heating plate (15) is positioned, first hot plate (14) are located the top of baffle (11), heat exchange device (16) are located the left side of tower body (1), the bottom of outlet duct (7) and the top fixed connection of heat exchange device (16), the bottom of heat exchange device (16) passes through the trachea with the bottom of condensing equipment (8) and is connected, the left end of feed liquor pipe (3) and the right-hand member upside fixed connection of heat exchange device (16), the left end downside of heat exchange device (16) and the right-hand member fixed connection of fluid infusion pipe (17).

2. A reactive distillation column according to claim 1, further comprising a stirring motor (18), a stirring shaft (19) and a stirring blade (20), wherein the stirring motor (18) is fixedly arranged at the bottom end of the column body (1), the stirring shaft (19) is fixedly arranged at the top end of the stirring motor (18), the top end of the stirring shaft (19) penetrates the column body (1) from the bottom end of the column body (1) upwards and is inserted into the bottom end of the inner cavity (9), and the stirring blade (20) is fixedly arranged at the middle end of the stirring shaft (19).

3. A reactive distillation column according to claim 2, further comprising an inclined plate (21), wherein the inclined plate (21) is fixedly disposed at the bottom end of the inner chamber (9), and the outer side of the inclined plate (21) is higher than the inner side.

4. A reactive distillation column according to claim 3, wherein the heat exchange device (16) comprises a heat exchange spiral tube (22), a heat exchange vertical tube (23) and a heat exchange medium (24), the heat exchange vertical tube (23) is fixedly arranged at the middle end inside the heat exchange device (16), the bottom end of the heat exchange vertical tube (23) is fixedly connected with the liquid supplementing tube (17), the top end of the heat exchange vertical tube (23) is fixedly connected with the liquid inlet tube (3), the heat exchange spiral tube (22) is spirally wound around the middle end of the heat exchange vertical tube (23), and the top end of the heat exchange spiral tube (22) is fixedly connected with the bottom end of the gas outlet tube (7); the heat exchange medium (24) is arranged in the heat exchange device (16).

5. A reactive distillation column according to claim 4, further comprising a check valve (25), the check valve (25) being fixedly disposed at the middle end of the feed pipe (3).

6. A reactive distillation column according to claim 5, further comprising a header tank (26), wherein the top end of the header tank (26) is connected to the bottom end of the condensing means (8) by a water pipe.

7. A reactive distillation column according to claim 6, further comprising a drainage plate (27), wherein the drainage plate (27) is fixedly arranged at the bottom end of the condensing means (8), and the outer side of the drainage plate (27) is higher than the inner side.

8. A reactive distillation column according to claim 7, further comprising four sets of bottom columns (28), wherein the top ends of the four sets of bottom columns (28) are fixedly connected to the bottom left front side, the bottom left rear side, the bottom right front side and the bottom right rear side of the column body (1), respectively.