CN206746016U

CN206746016U - Novel distillation is dehydrated purifying plant

Info

Publication number: CN206746016U
Application number: CN201720488774.2U
Authority: CN
Inventors: 赵向飞
Original assignee: Northwest Minzu University
Current assignee: Northwest Minzu University
Priority date: 2017-05-05
Filing date: 2017-05-05
Publication date: 2017-12-15
Anticipated expiration: 2027-05-05

Abstract

The utility model discloses a kind of novel distillation to be dehydrated purifying plant, including the rectification and purification device and dehydration purifying plant being sequentially connected, first by being changed to the column plate mounting means of rectification and purification device, the area of section of liquid flow of air is increased, so as to improve rectification and purification efficiency；Secondly by foamed filter plate and spill plate is set, Concerning Flooding Phenomenon can be effectively eliminated, ensures being normally carried out for production；Again, by changing the filling mode of dehydration molecular sieve, the stop to hydrone can be reduced, improves dewatering efficiency；In addition, getting rid of cylinder and dehydration screen drum by increase, the molecular sieve of inside can be made to realize motion, so as to make hydrone be filled rapidly quickly through and to the hole on the molecular sieve whole body, dewatering efficiency can be improved；By dynamic and static multistage dehydration, dehydrating effect can be improved, so as to control the moisture content of product, improves the purification efficiency and refining effect of product on the whole.

Description

Novel distillation is dehydrated purifying plant

Technical field

The present invention relates to a kind of purification system of chemical products, and in particular to a kind of novel distillation is dehydrated purifying plant.

Background technology

Generally required in chemical process and hydrodesulfurization, dehydrogenation, denitrogenation etc. are carried out to industrial chemicals, finally by essence Various products are obtained after evaporating tower rectifying, because the product after rectifying also contains certain moisture, do not reach product moisture content Set quota requirement, influence the market quality of product.In order to improve the purity of product, thus in general product rectifying it Afterwards, dewater treatment can be carried out to it, but refining effect to be present undesirable for present equipment for purifying, the problem of purification efficiency difference, Such as：

The operation of current extractive distillation column, the control of its pressure difference is critically important, and pressure difference one changes, it is easy to cause liquid flooding, Cause component unqualified, influence the purity of product.Present rectifying column diameter is certain, so supplies air-liquid two by column plate The section mutually freely flowed up is limited, although being provided with downspout on existing column plate, when the upward stream of air-liquid When amount increases to some limit, the liquid in downspout just can not be flowed down swimmingly；When the liquid in pipe completely arrives overflowing for top plate When flowing weir crest, just to overflow to upper strata column plate, produce abnormal hydrops, can finally cause to be full of by foam solution between two-ply, most It is upwardly into the gas outlet of rectifying column together eventually, at this moment gas and liquid mixing is flowed out from gas outlet, is caused liquid flooding, is caused product matter That measures is unqualified, influences the purity of postorder product.Hydraulically full in rectifying column if liquid flooding is excessively serious, now as flooding will Normal production can be had a strong impact on.

In addition, the dehydration after rectifying, the purity of product, but existing dehydration device can be also improved, usually using multilayer The structure of column plate, the molecular sieve being loaded between adjacent two column plate after compressing, so form multilayer molecular sifting bed, liquid entrance Afterwards, typically permeated downwards from upper strata, hydrone preferentially enters the molecular sieve pores of mol sieve beds upper surface, so only molecule After the molecular sieve pores filling completely of sifting bed layer upper surface, it could continue downwards, so because mol sieve beds upper surface hole is inhaled Resistance caused by itself after attached water point, reduce the flow velocity of liquid phase, so as to which the seepage velocity for causing liquid phase downward is slow, adsorption rate Slack-off, dewatering efficiency is low.Formed in addition, existing molecular sieve bed is generally close molecular sieve compacting, so stand dehydration not The production time is only extended, and reduces dewatering efficiency.

The content of the invention

The defects of purpose of the present invention exists aiming at prior art, there is provided it is a kind of simple in construction, liquid air-flow can be increased Dynamic section, so as to improve rectification and purification efficiency, de-bubble effect is good, can effectively prevent liquid flooding, and can transport liquid phase and molecular sieve Move up, dehydrating effect and rate of water loss can be improved, so as to improve the purification efficiency of product and refining effect on the whole Novel distillation is dehydrated purifying plant.

The technical scheme is that：Novel distillation be dehydrated purifying plant, including the rectification and purification device being sequentially connected and Purifying plant is dehydrated, the rectification and purification device includes tower body, is provided with multilayer column plate in the tower body, the column plate is located at tower body Tilted setting, downflow weir is equipped with every layer of column plate, the upper surface of the downflow weir is in horizontally disposed, every layer of column plate inclined plane Bottom be located at the side of downflow weir and be provided with downspout, be provided with the tower body above the column plate of the top and tower body inwall Mutually fixed foamed filter plate, the periphery of the foamed filter plate are provided with the annular groove for being used for containing foam, and the annular is recessed Groove is extracted pipe out by foam and is connected with vacuum pumping pump, and the port of export of the vacuum pumping pump is connected with tower body inner chamber；

The bottom of the foamed filter plate is provided with the 3rd liquid level sensor, and the foam extracts pipe out and is provided with the 3rd electromagnetism Valve, the 3rd liquid level sensor are electrically connected by controller with the 3rd magnetic valve, the middle part of the foamed filter plate be provided with by Motor-driven rotating shaft, collection bubble plate is fixed with the rotating shaft, and the length of the collection bubble plate is consistent with the radius of tower body；

The top of the foamed filter plate is provided with spill plate, and the middle part of the spill plate is provided with gas outlet, the gas outlet Helical pipe is provided with, the outlet of the helical pipe is upper by pipeline and the outlet above tower body, the spill plate Liquid flooding pipe of the diameter more than gas outlet is respectively equipped with the both sides of gas outlet, the both ends of the liquid flooding pipe are respectively communicated with spill plate Upper and lower both sides, the liquid flooding pipe are provided with the first magnetic valve, and the bottom of the spill plate is provided with the first liquid level sensor, and described One liquid level sensor is electrically connected by controller with the first magnetic valve, and the side of the tower body is provided with the backflow connected with liquid flooding chamber Pipe, the return duct are provided with second solenoid valve, and the inwall of the liquid flooding chamber is provided with the second liquid level sensor, second liquid Level sensor is electrically connected by controller with second solenoid valve；The outlet of the return duct is connected by the bottom of reboiler and tower body Connect；

Outlet above the tower body is connected by pipeline with condenser, and the outlet of the condenser is connected with fluid storage Tank, the outlet of the liquid storage tank are connected by pump with being dehydrated the raw material liq entrance of purifying plant；

The dehydration purifying plant includes tank body, and the bottom of the tank body is provided with discharging opening, is movably equipped with the tank body Cylinder is got rid of, the peripheral inner wall for getting rid of cylinder, which is provided with to be used to connect, gets rid of tube inner chamber and outside hole of getting rid of, and described get rid of in cylinder is provided with one-level Dehydration molecular sieve, the one-level dehydration molecular sieve, which is distributed across, to be got rid of in cylinder and volume is less than the cavity volume for getting rid of cylinder, described to get rid of The bottom of cylinder is fixedly mounted on rotating disk, and the rotating disk is connected by rotating shaft through decelerator with motor output shaft；

It is provided with the top of the tank body and stretches into the conveying pipeline for getting rid of tube inner chamber, the conveying pipeline is provided with multiple feed distributions Device；

The outer cover for getting rid of cylinder is provided with dehydration screen drum, and the bottom of the dehydration screen drum is also equipped with vibrator, described de- Water sieve cylinder, which is provided with, is used to connecting dewatering screen tube inner chamber and outside sieve aperture, the dehydration screen drum and gets rid of and forms two level between cylinder and take off Water cavity, two level dehydration molecular sieve, the two level dehydration molecular sieve dispersed placement and small volume are loaded with the two level dewatering cavity In the volume of two level dewatering cavity.

Fixed mount is installed positioned at the bottom of dewatering screen cylinder on the inwall of the tank body, the fixed mount is by spring with taking off Water sieve cylinder elastic connection, the rotating disk are movably arranged on by support bar and roller on the inwall of dehydration screen drum.

The feed distributor is to be with the vertically disposed distribution blade with fluid hole of conveying pipeline, the distribution blade It is multiple, it is disposed in dispersed on the length direction of conveying pipeline.

The dehydration screen drum includes two level screen drum and three-level screen drum, and the three-level screen drum is set in the outside of two level screen drum, And three-level dewatering cavity is formed between three-level screen drum and two level screen drum, it is provided with three-level dehydration molecular sieve, institute in the three-level dewatering cavity It is consistent with the volume of three-level dewatering cavity to state the volume after three-level dehydration molecular sieve compresses.

Two tower beds are interval with above discharging opening in the tank body, are formed between two tower beds and inner tank wall Level Four dewatering cavity, is loaded with level Four dehydration molecular sieve in the level Four dewatering cavity, the level Four dehydration molecular sieve compress after body Product is consistent with the volume of level Four dewatering cavity.

By rotating shaft and motor connection, the motor is clockwise and anticlockwise motor at the middle part of the rotating disk.

The diameter for getting rid of hole and sieve aperture is respectively less than the diameter of dehydration molecular sieve.

The present invention compared with prior art, has advantages below：It is simple in construction, it is reasonable in design, first by rectifying The column plate mounting means of purifying plant is changed, and increases the area of section of liquid flow of air, so as to improve rectification and purification effect Rate；Secondly by foamed filter plate and spill plate is set, Concerning Flooding Phenomenon can be effectively eliminated, ensures being normally carried out for production；Again, By changing the filling mode of dehydration molecular sieve, the stop to hydrone can be reduced, improves dewatering efficiency；In addition, pass through increase Get rid of cylinder and dehydration screen drum, can make inside molecular sieve realize motion, so as to make hydrone quickly through and to molecular sieve the whole body Hole be filled rapidly, dewatering efficiency can be improved；By dynamic and static multistage dehydration, dehydrating effect can be improved, from And the moisture content of product is controlled, the purification efficiency and refining effect of product are improved on the whole.

Brief description of the drawings

Here is that the present invention is further described in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the structural representation of left-half of the present invention；

Fig. 2 is the structural representation of right half part of the present invention；

In figure：1. tower body；2. column plate；3. downspout；4. downflow weir；5. foamed filter plate；6. annular groove；7. foam is taken out Outlet pipe；8. vacuum pumping pump；9. the 3rd liquid level sensor；10. the 3rd magnetic valve；11. rotating shaft；12. collection bubble plate；13. spill plate； 14. gas outlet；15. helical pipe；16. liquid flooding pipe；17. the first magnetic valve；18. the first liquid level sensor；19. return duct；20. Second solenoid valve；21. liquid flooding chamber；22. the second liquid level sensor；23. reboiler；24. condenser；25. liquid storage tank；26. Pump；27. tank body；28. discharging opening；29. get rid of cylinder；30. get rid of hole；31. one-level dehydration molecular sieve；32. rotating disk；33. motor；34. Strut；35. roller；36. conveying pipeline；37. feed distributor；38. sieve aperture；39. two level dewatering cavity；40. two level dehydration molecular sieve； 41. two level screen drum；42. three-level screen drum；43. three-level dewatering cavity；44. three-level dehydration molecular sieve；45. fixed mount；46. spring； 47. vibrator；48. tower bed；49. level Four dewatering cavity；50. level Four dehydration molecular sieve.

Embodiment

Referring to Figures 1 and 2, novel distillation dehydration purifying plant, including the rectification and purification device being sequentially connected and dehydration carry Pure device.Fig. 1 and Fig. 2 link together.

Wherein, rectification and purification device includes tower body 1, column plate 2, downspout 3, downflow weir 4, foamed filter plate 5, collection bubble plate 12 With spill plate 13.

Column plate 2 is located at 1 tilted setting of tower body, and the bottom of every layer of inclined plane of column plate 2 is located at the side of downflow weir 4 provided with drop On the one hand liquid pipe 3, the column plate 2 being obliquely installed can increase the area of section of liquid, flow of air, so as to improve rectification efficiency, the opposing party It is able to can accelerate to enter in downspout 3, every layer of column plate 2 so that in liquid flooding, liquid flows under Gravitative Loads to inclined side On be equipped with downflow weir 4, the upper surface of downflow weir 4 so can guarantee that liquid flooding enters the speed one of downspout 3 in horizontally disposed Cause, be provided with the foamed filter plate 5 mutually fixed with the inwall of tower body 1 in tower body 1 positioned at the top of column plate 2 of the top, pass through foam mistake Filter plate 5 can be filtered foam, prevent liquid foam is too fast from flowing up；The periphery of foamed filter plate 5, which is provided with, to be used to contain The annular groove 6 of foam, annular groove 6 are extracted pipe 7 out by foam and are connected with vacuum pumping pump 8, pass through the foam of foamed filter plate 5 Extracted out into the memory storage of annular groove 6, and eventually through vacuum pumping pump 8, and be sent into circulation purification in tower body 1.

The bottom of foamed filter plate 5 is provided with the 3rd liquid level sensor 9, and foam extracts pipe 7 out and is provided with the 3rd magnetic valve 10, the Three liquid level sensors 9 are electrically connected by controller with the 3rd magnetic valve 10, when the 3rd liquid level sensor 9 senses that liquid foam leads to When crossing foamed filter plate 5 and continuing to move up, the 3rd magnetic valve 10 is opened, and so starts vacuum pumping pump 8 by annular groove 6 Foam is extracted out, and is finally re-fed into from the bottom of tower body 1 in rectifying column.

The middle part of foamed filter plate 5 is provided with by motor-driven rotating shaft 11, and collection bubble plate 12, Ji Pao is fixed with rotating shaft 11 The length of plate 12 is consistent with the radius of tower body 1, when the 3rd liquid level sensor 9 senses that liquid foam passes through foamed filter plate 5 When continuing to move up, while start motor driven rotating shaft 11 and rotate, rotating shaft 11 drives collection bubble plate 12 to strike off foamed filter simultaneously The foam stored on plate 5, scraped in annular groove 6, when liquid continues to rise to the first liquid level sensor, the 3rd electromagnetism Valve 10 is closed, while is collected bubble plate 12 and stopped operating.

Spill plate 13 is arranged on the top of foamed filter plate 5, and the middle part of spill plate 13 is provided with gas outlet 14, in gas outlet 14 Helical pipe 15 is provided with, the outlet of helical pipe 15 passes through pipeline and the outlet above tower body, is located on spill plate 13 The both sides of gas outlet are respectively equipped with the liquid flooding pipe 16 that diameter is more than gas outlet, and the both ends of liquid flooding pipe 16 are respectively communicated with spill plate 13 Upper and lower both sides, the liquid so flowed up can enter the cavity i.e. liquid flooding chamber 21 of the top of spill plate 13 by liquid flooding pipe 16； Liquid flooding pipe 16 is provided with the first magnetic valve 17, and the bottom of spill plate 13 is provided with the first liquid level sensor 18, the first liquid level sensor 18 are electrically connected by controller with the first magnetic valve 17, and when liquid continues up, the first liquid level sensor 18 senses that liquid level reaches During to setting liquid level, or when the liquid level in tower body 1 reaches the first 18 position of liquid level sensor, the first liquid level sensor 18 will letter Number send to controller, controller controls the first magnetic valve 17 to open after receiving signal, because the diameter of liquid flooding pipe 16 is more than spiral shell The diameter of the gas outlet 14 of the lower section of coil road 15, and helical pipe 15, under liquid Gravitative Loads, the rate of climb is slower, so Excessive liquid preferentially can enter liquid flooding chamber 21 through liquid flooding pipe 16, prevent because of Concerning Flooding Phenomenon and by liquid and gas together from tower body 1 outlet 10 is discharged, and ensure that the purity of product.

The side of tower body 1 is provided with the return duct 19 connected with liquid flooding chamber 21, and return duct 19 is provided with second solenoid valve 20, liquid The inwall of general chamber 21 is provided with the second liquid level sensor 22, and second liquid level sensor 22 passes through controller and second solenoid valve 20 electrical connections；The outlet of return duct 19 is connected by reboiler 23 with the bottom of tower body 1；When because of Concerning Flooding Phenomenon, with into liquid Liquid in general chamber 21 is more and more, and liquid level increases, when liquid level reaches the second liquid level sensor 22, the second level sensing Device 22 sends the signal to controller, and control second solenoid valve 20 is opened after controller receives signal, in such liquid flooding chamber 21 Liquid is flowed out by return duct 19, prevents from having an impact tower body because the liquid of liquid flooding chamber 21 is excessive, and eventually through return duct 19 Continue to purify into tower body 1 after the heating of reboiler 23, so not only prevent Concerning Flooding Phenomenon, and wastage of material can be reduced.

Outlet above tower body 1 is connected by pipeline with condenser 24, and the outlet of condenser 24 is connected with fluid storage Tank 25, the outlet of liquid storage tank 25 are connected by pump 26 with being dehydrated the raw material liq entrance of purifying plant；The top of tower body 1 exports The gas of purification, after being condensed into liquid into condenser 24, into fluid storage tanks 25 in stored, it is necessary to its enter advance When one step purifies, dehydration purifying plant is transported to by pump 26 and further purified.

Wherein, above-mentioned dehydration purifying plant includes tank body, including tank body 27, and discharging opening is provided with the bottom of tank body 27 28, it is movably equipped with tank body 27 and gets rid of cylinder 29, the peripheral inner wall for getting rid of cylinder 29 is provided with to be used to connect and gets rid of the inner chamber of cylinder 29 and outside get rid of Hole 30, get rid of and be provided with one-level dehydration molecular sieve 31 in cylinder 29, one-level dehydration molecular sieve 31, which is distributed across, gets rid of that cylinder 29 is interior and small volume In the cavity volume for getting rid of cylinder 29, by this filling splendid attire mode one-level dehydration molecular sieve 31 can be made freely to live getting rid of in cylinder 29 It is dynamic, so as to ensure that raw material liq can be quickly through, and accelerate the rate of adsorption.

The bottom for getting rid of cylinder 29 is fixedly mounted on rotating disk 32, and rotating disk 32 passes through output shaft of the rotating shaft through decelerator Yu motor 33 Connection, and rotating disk 32 is movably arranged on by support bar 34 and roller 35 on the inwall of dehydration screen drum.Enter in liquid and get rid of cylinder After 29, start motor 33 and drive rotating disk 32 to rotate, certainly, slewing rate can control as needed, with not by molecular sieve pores The moisture of absorption, which is thrown away, to be defined, and rotating disk 32 rotates to be got rid of cylinder 29 and rotate to drive, and so gets rid of one-level dehydration point of the cylinder 29 by its inner chamber Son 31 whippings of sieve, ensure that raw material liq is rapidly filled to the hole of the one-level dehydration molecular sieve 31 of activity, and make simultaneously Raw material liq after dehydration is quickly through accelerating rate of water loss.

The conveying pipeline 36 for stretching into and getting rid of the inner chamber of cylinder 29, upper end open and the pump 26 of conveying pipeline 36 are installed at the top of tank body 27 Outlet pass through pipeline communication；Conveying pipeline 36 is provided with multiple feed distributors 37, wherein, feed distributor 37 is and conveying pipeline The 36 vertically disposed distribution blades with fluid hole, distribution blade are multiple, and conveying pipeline 36 is disposed in dispersed On length direction.Raw material liq, can be fed directly to get rid of first primary adsorption is carried out in cylinder 29 by this structure, secondly by setting The feed distributor 37 put can play the barrier effect to one-level dehydration molecular sieve 31, so as to play when getting rid of the motion of cylinder 29 The effect of relative stirring, so as to further make being adsorbed by molecular sieve for the uniform moisture in raw material liq, one-level is dehydrated Molecular sieve 31 increases stirring movement while centrifugal motion, makes each surface of liquid Rapid contact molecular sieve, improves absorption Efficiency.

The outer cover of cylinder 29 is got rid of provided with screen drum is dehydrated, dehydration screen drum, which is provided with, to be used to connect dewatering screen tube inner chamber and outside Sieve aperture 38, it is dehydrated screen drum and gets rid of formation two level dewatering cavity 39 between cylinder 29, two level dehydration molecule is loaded with two level dewatering cavity 39 Sieve 40, the dispersed placement of two level dehydration molecular sieve 40 and volume are less than the volume of two level dewatering cavity 39, pass through this filling splendid attire side Formula can make the freely activity in dehydration screen drum of two level dehydration molecular sieve 40, so as to ensure that raw material liq can be quickly through, and add The fast rate of adsorption.Wherein, dehydration screen drum includes two level screen drum 41 and three-level screen drum 42, and three-level screen drum 42 is set in two level screen drum 41 Outside, and three-level dewatering cavity 43 is formed between three-level screen drum 42 and two level screen drum 41, is taken off in three-level dewatering cavity 43 provided with three-level Hydrone sieve 44, the volume after three-level dehydration molecular sieve 44 compresses is consistent with the volume of three-level dewatering cavity 43.So work as two level Liquid in dewatering cavity 39 is directly entered three-level dewatering cavity 43 after two level is dehydrated, and three are realized through three-level dehydration molecular sieve 44 Level dehydration, the cavity formed eventually through three-level screen drum 42 and the inwall of tank body 27 enter the bottom of tank body 27.

Bottom positioned at dewatering screen cylinder on the inwall of tank body 27 is provided with fixed mount 45, fixed mount 45 by spring 46 with The bottom resilient connection of three-level screen drum 42, cushioning effect can be played by crossing spring 46, and the bottom of three-level screen drum 42 is also equipped with vibrating It device 47, during work, can vibrate dehydration screen drum by vibrator 47, make the two level dehydration molecular sieve 40 in two level dewatering cavity 39 real Existing free movement, simultaneously because get rid of cylinder 29 also realizes effect of vibration in motion process to the molecular sieve of its outer surface contact, institute By above-mentioned two structure two level dehydration molecular sieve 40 can be made to realize mutual collision in two level dewatering cavity 39, so as to pass through When getting rid of the liquid phase that cylinder 29 throws away and being dehydrated by two level dewatering cavity 39, molecular sieve can be quickly filled with the motion state of molecular sieve All holes on periphery, can improve dewatering efficiency.

Be interval with two tower beds 48 positioned at the top of discharging opening 28 in tank body 27, two tower beds 48 and the inwall of tank body 27 it Between form level Four dewatering cavity 49, be loaded with level Four dehydration molecular sieve 50 in level Four dewatering cavity 49, level Four dehydration molecular sieve 50 compresses Volume afterwards is consistent with the volume of level Four dewatering cavity 49.This structure is that common molecular sieves dehydrated structure, after three-level is dehydrated Liquid is after the sieve aperture of the inwall of tank body 27 or three-level screen drum 42 is fallen, finally through the level Four dehydration molecular sieve in level Four dewatering cavity 49 After 50 are dehydrated, are discharged from the discharging opening 28 of tank body 27, finally give the product of high-quality, high-purity.

The middle part of rotating disk 32 is connected by rotating shaft and decelerator with motor 33, and motor 33 is clockwise and anticlockwise motor, so can root According to needing to make rotating disk have rotating and reverse for frequency, so as to realize that molecular sieve different directions move.

The above-mentioned diameter for getting rid of hole 30 and sieve aperture 38 is respectively less than the diameter of dehydration molecular sieve.

During work, product enters rectification and purification device and carries out rectification and purification, by adding helical pipe 15, extends and carries The gas of liquid and the time of contact of the inwall of helical pipe 15, prevent unqualified liquid from being discharged with gas, improve liquid It is so higher from the gas purity of the outlet discharge of tower body 1 with the separating effect of gas, improve the quality of product；When tower body 1 When interior liquid level reaches the position of the 3rd liquid level sensor 9, Concerning Flooding Phenomenon will be produced, so with frothy liquid first Flow up, controller is sent the signal to by the 3rd liquid level sensor 9, after controller receives signal, start rotating shaft 11 Motor driven rotating shaft and collection bubble plate 12 rotate, and the foam for making just to have risen steeps the rotation of plate 12 through collection, is collected into annular groove 6 It is interior, while controller opens the 3rd magnetic valve 10, and start vacuum pumping pump 8, the foam liquid in annular groove 6 is pumped into bottom of towe Recycling；When liquid level reaches the first 18 position of liquid level sensor, the first liquid level sensor 18 sends the signal to controller, Controller controls the first magnetic valve 17 to open after receiving signal, because the diameter of liquid flooding pipe 16 is more than going out for the lower section of helical pipe 15 The diameter of gas port 14, and helical pipe 15, under liquid Gravitative Loads, the rate of climb is slower, and so excessive liquid can be preferential Enter liquid flooding chamber 21 through liquid flooding pipe 16, prevent from together discharging liquid and gas from the outlet of tower body 1 because of Concerning Flooding Phenomenon, ensure Product quality；Further, since working as the liquid entered in liquid flooding chamber 21 is more and more, the liquid level of liquid flooding chamber 21 rises therewith Height, when liquid level reaches the second liquid level sensor 22, the second liquid level sensor 22 sends the signal to controller, and controller receives Second solenoid valve 20 is controlled to open after signal, the liquid in such liquid flooding chamber 21 is flowed out by return duct 19, is prevented because of liquid flooding chamber 21 Liquid is excessive and tower body is had an impact, into return duct 19 liquid heated into reboiler 23 after, and send tower body 1 back to It is interior, improve production efficiency.

Gas after high-purity rectification, after being condensed by condenser 24, stored into liquid storage tank 25, and Raw material liq is delivered to by conveying pipeline 36 eventually through pump 26 and got rid of in cylinder 29, cylinder is being got rid of in the presence of feed distributor 37 Sprayed in 29 to surrounding, while start motor 33, the positive and negative rotation of 32 slow rule of rotating disk is driven by motor 33, is so passed through Get rid of cylinder 29 to move up the band of one-level dehydration molecular sieve 31 of its inner chamber, moved getting rid of in cylinder 29, while the blade of feed distributor 37 Stirring action, one-level dehydration molecular sieve 31 is mutually collided, by such raw material liq can rapidly to activity one-level take off The hole of hydrone sieve 31 is filled, and makes the raw material liq after one-level dehydration simultaneously quickly through into two level dewatering cavity In 39；Raw material liq after one-level is dehydrated is thrown away into after two level dewatering cavity 39 through getting rid of hole 30, due to getting rid of the outer surface of cylinder 29 A collision is carried out to the two level dehydration molecular sieve 40 in two level dewatering cavity 39, so in two level dewatering cavity 39, along with shaking The effect of dynamic device 47, can make two level dehydration molecular sieve 40 realize mutual collision movement, and the liquid phase so thrown away through getting rid of cylinder 29 passes through When crossing the dehydration of two level dewatering cavity 39, the institute on molecular sieve periphery under the motion state of two level dehydration molecular sieve 40, can be quickly filled with There is hole, dewatering efficiency can be improved；The liquid in two level dewatering cavity 39 is eventually positioned at after two level is dehydrated, three-level is directly entered and takes off Water cavity 43, realize that three-level is dehydrated through three-level dehydration molecular sieve 44, the chamber formed eventually through three-level screen drum 42 and the inwall of tank body 27 Body or the sieve aperture 38 of the bottom of three-level screen drum 42 enter the bottom of tank body 27, also have the level Four dewatering cavity stood in the bottom of tank body 27 49, after level Four dehydration molecular sieve 50 is dehydrated, discharge from the discharging opening 28 of tank body 27, by four absorption, can thoroughly take off Except the hydrone contained in raw material liq, the product of high-quality, high-purity is finally given.

The present invention is not limited to above-mentioned embodiment, in those skilled in the art's possessed knowledge, may be used also To be made a variety of changes on the premise of present inventive concept is not departed from, the content after change still falls within protection scope of the present invention.

Claims

1. novel distillation is dehydrated purifying plant, including the rectification and purification device being sequentially connected and dehydration purifying plant, its feature exist In：

The rectification and purification device includes tower body, is provided with multilayer column plate in the tower body, and the column plate is located at that tower body is tilted to be set Put, downflow weir is equipped with every layer of column plate, the upper surface of the downflow weir is in horizontally disposed, the bottom position of every layer of column plate inclined plane Downspout is provided with the side of downflow weir, is provided with what is mutually fixed with tower body inwall above the column plate of the top in the tower body Foamed filter plate, the periphery of the foamed filter plate are provided with the annular groove for being used for containing foam, and the annular groove passes through bubble Foam is extracted pipe out and is connected with vacuum pumping pump, and the port of export of the vacuum pumping pump is connected with tower body inner chamber；

The bottom of the foamed filter plate is provided with the 3rd liquid level sensor, and the foam extracts pipe out and is provided with the 3rd magnetic valve, institute State the 3rd liquid level sensor to electrically connect with the 3rd magnetic valve by controller, the middle part of the foamed filter plate is provided with is driven by motor Dynamic rotating shaft, collection bubble plate is fixed with the rotating shaft, and the length of the collection bubble plate is consistent with the radius of tower body；

The top of the foamed filter plate is provided with spill plate, and the middle part of the spill plate is provided with gas outlet, set on the gas outlet There is helical pipe, the outlet of the helical pipe passes through pipeline and the outlet above tower body, is located on the spill plate The both sides of gas port are respectively equipped with the liquid flooding pipe that diameter is more than gas outlet, and the both ends of the liquid flooding pipe are respectively communicated with the upper and lower of spill plate Both sides, the liquid flooding pipe are provided with the first magnetic valve, and the bottom of the spill plate is provided with the first liquid level sensor, first liquid Level sensor is electrically connected by controller with the first magnetic valve, and the side of the tower body is provided with the return duct connected with liquid flooding chamber, The return duct is provided with second solenoid valve, and the inwall of the liquid flooding chamber is provided with the second liquid level sensor, second liquid level Sensor is electrically connected by controller with second solenoid valve；The outlet of the return duct is connected by the bottom of reboiler and tower body Connect；

Outlet above the tower body is connected by pipeline with condenser, and the outlet of the condenser is connected with liquid storage tank, The outlet of the liquid storage tank is connected by pump with being dehydrated the raw material liq entrance of purifying plant；

The dehydration purifying plant includes tank body, and the bottom of the tank body is provided with discharging opening, is movably equipped with the tank body and gets rid of cylinder, The peripheral inner wall for getting rid of cylinder is provided with gets rid of tube inner chamber and outside hole of getting rid of for connecting, and described get rid of in cylinder is divided provided with one-level dehydration Son sieve, the one-level dehydration molecular sieve, which is distributed across, to be got rid of in cylinder and volume is less than the cavity volume for getting rid of cylinder, the bottom for getting rid of cylinder Portion is fixedly mounted on rotating disk, and the rotating disk is connected by rotating shaft through decelerator with motor output shaft；

It is provided with the top of the tank body and stretches into the conveying pipeline for getting rid of tube inner chamber, the conveying pipeline is provided with multiple feed distributors；

The outer cover for getting rid of cylinder is provided with dehydration screen drum, and the bottom of the dehydration screen drum is also equipped with vibrator, the dewatering screen Cylinder is described to be dehydrated screen drum and get rid of formation two level dehydration between cylinder provided with the sieve aperture for being used to connect dewatering screen tube inner chamber and outside Chamber, is loaded with two level dehydration molecular sieve in the two level dewatering cavity, the two level dehydration molecular sieve dispersed placement and volume is less than The volume of two level dewatering cavity.

2. novel distillation according to claim 1 is dehydrated purifying plant, it is characterised in that：It is located on the inwall of the tank body The bottom of dehydration screen drum is provided with fixed mount, and the fixed mount is passed through by spring and dehydration screen drum elastic connection, the rotating disk Support bar and roller are movably arranged on the inwall of dehydration screen drum.

3. novel distillation according to claim 1 is dehydrated purifying plant, it is characterised in that：The feed distributor be with it is defeated The vertically disposed distribution blade with fluid hole of expects pipe, the distribution blade is multiple, and conveying is disposed in dispersed On the length direction of pipe.

4. novel distillation according to claim 1 is dehydrated purifying plant, it is characterised in that：The dehydration screen drum includes two level Screen drum and three-level screen drum, the three-level screen drum is set in the outside of two level screen drum, and is formed between three-level screen drum and two level screen drum Three-level dewatering cavity, is provided with three-level dehydration molecular sieve in the three-level dewatering cavity, the volume after the three-level dehydration molecular sieve compression It is consistent with the volume of three-level dewatering cavity.

5. novel distillation according to claim 1 is dehydrated purifying plant, it is characterised in that：It is located at discharging opening in the tank body Top be interval with two tower beds, level Four dewatering cavity is formed between two tower beds and inner tank wall, in the level Four dewatering cavity Level Four dehydration molecular sieve is loaded with, the volume after the level Four dehydration molecular sieve compresses is consistent with the volume of level Four dewatering cavity.

6. novel distillation according to claim 1 is dehydrated purifying plant, it is characterised in that：The middle part of the rotating disk is by turning Axle and motor connection, the motor are clockwise and anticlockwise motor.

7. novel distillation according to claim 1 is dehydrated purifying plant, it is characterised in that：The diameter for getting rid of hole and sieve aperture The respectively less than diameter of dehydration molecular sieve.