CN115321730A

CN115321730A - Method for deep treatment and desalination of sucralose extraction wastewater

Info

Publication number: CN115321730A
Application number: CN202210855509.9A
Authority: CN
Inventors: 万智欣; 王小强; 游胜勇; 崔红敏
Original assignee: Xinqi'an Polytron Technologies Inc
Current assignee: Xinqi'an Polytron Technologies Inc
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-11
Anticipated expiration: 2042-07-20
Also published as: CN115321730B

Abstract

The invention discloses a method for deep treatment and desalination of sucralose extraction wastewater, and relates to the technical field of chemical wastewater treatment. The invention can conveniently and rapidly recover and clean the active carbon and the scrap iron, simultaneously avoids the influence on the subsequent treatment of the wastewater of the tower kettle caused by the residual cleaning water in a cavity separation mode during cleaning, can also reduce the using amount of the cleaning water, save manpower, reduce the recovery cost, simultaneously has extremely high recovery efficiency, and further avoids the influence on the overall treatment efficiency of the wastewater caused by the recovery problem.

Description

Method for deep treatment and desalination of sucralose extraction wastewater

Technical Field

The invention relates to the technical field of chemical wastewater treatment, in particular to a method for deep treatment and desalination of sucralose extraction wastewater.

Background

A large amount of industrial extraction wastewater can be generated in the production process of sucralose, and the scale of sucralose production is larger and larger along with the popularization of sucralose in the market, so that the amount of extraction wastewater is increased rapidly, and the harm to the environment is deepened increasingly.

The invention patent of patent application publication No. CN 108503115B discloses a method for deep treatment and desalination of sucralose extraction wastewater, which comprises the following steps: carrying out high-efficiency coagulation treatment on the sucralose extraction wastewater to obtain a supernatant; analyzing the supernatant by ion chromatography to obtain the concentration of main anions in the supernatant; naOH is added according to the concentration of main anions, and ammonia nitrogen in the extraction wastewater is removed through rectification treatment; taking the tower kettle wastewater after ammonia nitrogen removal and treating the tower kettle wastewater by using a Fe-C micro-electrolysis method; then carrying out Fenton method treatment; carrying out ozone oxidation treatment on the treated wastewater; and then mechanical steam recompression concentration crystallization treatment is carried out.

The method utilizes the coupling and synergistic effects of different unit technologies to remove colloid, ammonia nitrogen, organic matters and pungent smell in the sucralose extraction wastewater, wherein the ammonia nitrogen removal rate can reach over 99.9 percent, the COD removal rate can reach 65 to 90 percent, and the deep treatment and desalination of the sucralose extraction wastewater are realized.

However, after the practical application of the method in the field, some problems still exist, and it is obvious that after the Fe-C micro-electrolysis treatment of the wastewater after rectification is completed, in order to recover the activated carbon and the iron filings distributed in the water body, the treated wastewater needs to be filtered, and the filtered activated carbon and the filtered iron filings need to be washed manually after being collected, so that the recovery cost is increased while the operation is complicated, and meanwhile, the output efficiency of the treated wastewater is obviously affected, thereby reducing the overall treatment efficiency of the wastewater.

Therefore, it is necessary to develop a method for deep treatment and desalination of sucralose extraction wastewater to solve the above problems.

Disclosure of Invention

The invention aims to provide a method for deep treatment and desalination of sucralose extraction wastewater so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the device comprises an electrolytic tank, wherein a driving mechanism is jointly arranged on the top of an inner cavity of the electrolytic tank and the top of the electrolytic tank, a hollow rotating shaft in the driving mechanism cannot drive a reciprocating screw rod in the driving mechanism to synchronously rotate when rotating clockwise, the hollow rotating shaft in the driving mechanism drives the reciprocating screw rod in the driving mechanism to synchronously rotate when rotating anticlockwise, a stirring mechanism is connected to the driving mechanism in a transmission manner, a plurality of active carbon and scrap iron containing mechanisms are arranged on the stirring mechanism, a separation lifting mechanism is arranged at the bottom of the inner cavity of the electrolytic tank, an external lifting plate in the separation lifting mechanism compresses a plate belt of the active carbon and scrap iron containing mechanisms when ascending, a trigger type water supply mechanism is arranged on the separation lifting mechanism, a sealing lantern ring in the trigger type water supply mechanism synchronously ascends and descends, a waste water input pipe in the left side of the electrolytic tank is fixedly arranged in a penetrating manner, an electrolytic tank right side bottom of the electrolytic tank is fixedly provided with an electrolytic tank right side cleaning water output pipe, and a waste water output pipe in the middle of the electrolytic tank is fixedly arranged in a penetrating manner.

Preferably, the driving mechanism comprises a hollow rotating shaft, a first gear, a driving motor, a second gear and a reciprocating screw rod;

hollow rotation axis passes through the bearing and rotates nested setting in the electrolysis tank top, the fixed cover of first gear connects to be set up in hollow rotation axis outside top, driving motor is fixed to be set up in electrolysis tank top right side, the second gear is connected with the driving motor transmission, and with first gear engagement, reciprocal lead screw top is connected with hollow rotation axis bottom through freewheel clutch.

Preferably, the stirring mechanism comprises a rotating disk, a stirring rod, a third gear and a gear ring;

the fixed cover of rotary disk connects and sets up in the hollow rotation axis outside, puddler and third gear all are provided with two, two the puddler rotates respectively through the bearing and runs through and set up in rotary disk top both sides, two the ring gear is fixed respectively and is set up in two third gear tops, the ring gear cup joints and sets up in two third gear outsides and with two third gear engagement, the ring gear is fixed to be set up in electrolysis tank inner chamber top.

Preferably, the activated carbon and scrap iron containing mechanism comprises a sliding sleeve, a spherical containing mesh cover, a first spring and a sliding lantern ring;

sliding sleeve slides and cup joints and sets up in the puddler outside, sliding sleeve fixes cup jointing and sets up in the sliding sleeve outside, the sphere holds the inside packing of screen panel and has active carbon and iron fillings, first spring all is provided with two with the slip lantern ring, first spring all cup joints with the slip lantern ring and sets up in the puddler outside, first spring one end and sliding sleeve fixed connection and the other end and adjacent slip lantern ring fixed connection.

Preferably, the blocking lifting mechanism comprises a threaded sleeve, an inner lifting plate, an outer lifting plate and a guide rod;

the threaded sleeve cup joints and sets up in reciprocal lead screw outside bottom and with reciprocal lead screw threaded connection, interior lifter plate is fixed cup joints and sets up in threaded sleeve outside bottom, outer lifter plate rotates through the bearing and cup joints and sets up in the interior lifter plate outside, the guide bar is provided with two, two the guide bar slides respectively to run through and sets up in interior lifter plate top both sides, guide bar bottom and electrolysis tank inner wall fixed connection.

Preferably, the trigger type water supply mechanism comprises a trigger plate, a second spring, a limiting block, an annular rotating block, an L-shaped rod, a sealing sleeve ring, a water inlet through hole and a cleaning water input pipe;

trigger the board and slide to cup joint and set up in two guide bar outsides, second spring all is provided with two, two with the stopper the second spring cup joints respectively and sets up in two guide bar outsides, two the stopper is fixed respectively and sets up in two guide bar tops, second spring one end with trigger board fixed connection and the other end and stopper fixed connection, the rotatory piece of annular rotates nested the setting in triggering the board top through the bearing, L shape pole is provided with two, two L shape pole is fixed respectively and sets up in the rotatory piece top both sides of annular, the slip of the sealing ring cover cup joints and sets up in the hollow rotation axis outside, and with two L shape pole fixed connection, the water inlet through-hole runs through and sets up on hollow rotation axis, it passes through rotary joint and is connected with hollow rotation axis top to wash the water input tube.

Preferably, the method for deeply treating and desalting the sucralose extraction wastewater specifically comprises the following steps:

s1, carrying out coagulation treatment on sucralose extraction wastewater to obtain supernatant, carrying out ion chromatography external standard method analysis on the supernatant to obtain the types and content of anions in the wastewater, adding a quantitative strong alkaline substance according to an analysis result, carrying out rectification treatment to remove ammonia nitrogen in the wastewater to reach the ammonia nitrogen discharge standard, simultaneously obtaining a dimethylamine and ammonia aqueous solution and tower kettle wastewater, and adjusting the pH value of the tower kettle wastewater;

s2, inputting the tower kettle wastewater with the adjusted pH value into an electrolytic tank through a tower kettle wastewater input pipe, wherein the liquid level is lower than the height of an outlet of the tower kettle wastewater input pipe and an inlet of a cleaning water output pipe, the tower kettle wastewater passes through a hole in a spherical containing screen to be contacted with activated carbon and scrap iron in the spherical containing screen, starting a micro-electrolytic component in the electrolytic tank, and simultaneously starting a driving motor, so that the driving motor drives a hollow rotating shaft to rotate clockwise through a first gear and a second gear, the hollow rotating shaft drives two stirring rods to revolve around the hollow rotating shaft as an axis through a rotating disc, and the stirring rods drive a plurality of activated carbon and scrap iron containing mechanisms to revolve synchronously when revolving, so as to stir the tower kettle wastewater, and simultaneously enable the activated carbon and the scrap iron in the spherical containing screen to be more effectively contacted with the tower kettle wastewater;

s3, after the micro-electrolysis of the tower kettle wastewater is finished, outputting the wastewater through an electrolytic wastewater output pipe, treating the wastewater by a Fenton method to further degrade organic matters which are difficult to degrade in the wastewater, after the Fenton method treatment is finished, carrying out ozone oxidation treatment on the wastewater, and finally carrying out evaporation concentration treatment on the wastewater after the ozone oxidation treatment to obtain cleaner salt and fresh water;

s4, after the wastewater in the electrolytic tank is discharged, the driving motor drives the hollow rotating shaft to rotate anticlockwise through the first gear and the second gear, the reciprocating screw rod is driven by the hollow rotating shaft to rotate synchronously, the threaded sleeve drives the inner lifting plate and the outer lifting plate to ascend along the reciprocating screw rod, and the outer lifting plate pushes a plurality of activated carbon and scrap iron containing mechanisms on the outer side of the stirring rod upwards when ascending;

s5, when the rising heights of the inner lifting plate and the outer lifting plate reach a first threshold value, the heights of the inner lifting plate and the outer lifting plate are larger than the height of an inlet of a cleaning water output pipe, the inner lifting plate starts to push the trigger plate, the trigger plate drives the sealing lantern ring to move upwards through the annular rotating block and the L-shaped rod, the sealing lantern ring removes the sealing of a water inlet through hole, cleaning water output by the cleaning water input pipe enters the electrolytic tank through the water inlet through hole, the inner lifting plate and the outer lifting plate are blocked to be accumulated at the top of an inner cavity of the electrolytic tank, in the process, the hollow rotating shaft continues to drive the two stirring rods and the plurality of active carbon and scrap iron containing mechanisms to revolve through the rotating disc, so that the active carbon and scrap iron containing mechanisms effectively contact with the cleaning water and are cleaned, and meanwhile, in the cleaning process of the active carbon and scrap iron containing mechanisms, the outer lifting plate continues to drive the active carbon and scrap iron containing mechanisms to rise, and compress first springs in the active carbon and scrap iron containing mechanisms;

s6, when the rising heights of the inner lifting plate and the outer lifting plate reach a second threshold value, due to the arrangement of reciprocating threads on the outer side of the reciprocating screw rod, the reciprocating screw rod starts to drive the inner lifting plate and the outer lifting plate to descend, and along with the continuous motion of the inner lifting plate and the outer lifting plate, when the current heights of the inner lifting plate and the outer lifting plate are smaller than the first threshold value, the second spring drives the trigger plate to reset, so that the sealing sleeve ring blocks the water inlet through hole, and the cleaning water is not output any more;

and S7, when the inner lifting plate and the outer lifting plate move to the bottom of the opening of the cleaning water output pipe, stopping the driving motor, discharging cleaning water through the cleaning water output pipe, then enabling the driving motor to continuously drive the hollow rotating shaft to rotate anticlockwise, further enabling the blocking lifting mechanism to reset, and enabling the activated carbon and scrap iron containing mechanism to synchronously slide and reset outside the stirring rod after the blocking lifting mechanism resets.

The invention has the technical effects and advantages that:

the invention is provided with a driving mechanism, a stirring mechanism, an active carbon and scrap iron containing mechanism, a blocking lifting mechanism and a triggering type water supply mechanism, so that the driving mechanism is used for driving the stirring mechanism, the stirring mechanism drives the active carbon and scrap iron containing mechanism containing the active carbon and the scrap iron to revolve in the wastewater, the active carbon and the scrap iron are effectively contacted with the wastewater while stirring the wastewater, and further normal micro-electrolysis reaction is ensured, the driving mechanism drives the blocking lifting mechanism while driving the stirring mechanism, so that the blocking lifting mechanism pushes the active carbon and scrap iron containing mechanism to ascend, and compresses the active carbon and scrap iron containing mechanism, further, the cleaning water is prevented from entering the bottom of an inner cavity of an electrolytic tank to influence the treatment of the wastewater of a subsequent tower kettle, the using amount of the cleaning water can be reduced, the effect of saving the water is achieved, in addition, the blocking lifting mechanism triggers the triggering type water supply mechanism to further automatically perform the cleaning process, compared with the same type method in the prior art, the invention can conveniently recycle the active carbon and scrap iron, and the problem of reducing the using amount of the influence of the cleaning water when cleaning of the cavity is avoided, and the problem of reducing the use cost of the cleaning water in the whole kettle is reduced.

Drawings

Fig. 1 is an overall front sectional structural view of the present invention.

Fig. 2 is a front sectional structural schematic diagram of the driving mechanism of the present invention.

Fig. 3 is a front cross-sectional structural schematic view of the trigger type water supply mechanism of the present invention.

FIG. 4 is a front sectional view of the activated carbon and iron filings containing mechanism of the present invention.

Fig. 5 is a schematic cross-sectional front view of the barrier lifting mechanism of the present invention.

In the figure: 1. an electrolytic tank; 2. a drive mechanism; 21. a hollow rotating shaft; 22. a first gear; 23. a drive motor; 24. a second gear; 25. a reciprocating screw rod; 3. a stirring mechanism; 31. rotating the disc; 32. a stirring rod; 33. a third gear; 34. a gear ring; 4. an active carbon and scrap iron containing mechanism; 41. a sliding sleeve; 42. a spherical accommodating mesh enclosure; 43. a first spring; 44. a slip collar; 5. a blocking lifting mechanism; 51. a threaded bushing; 52. an inner lifter plate; 53. an outer lifter plate; 54. a guide bar; 6. a trigger type water supply mechanism; 61. a trigger plate; 62. a second spring; 63. a limiting block; 64. an annular rotating block; 65. an L-shaped rod; 66. a sealing collar; 67. a water inlet through hole; 68. a cleaning water input pipe; 7. a tower kettle wastewater input pipe; 8. an electrolytic wastewater output pipe; 9. and cleaning a water output pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The invention provides a method for the deep treatment and desalination of sucralose extraction wastewater as shown in fig. 1-5, which is realized by using equipment for the deep treatment and desalination of sucralose extraction wastewater, the equipment for the deep treatment and desalination of sucralose extraction wastewater comprises an electrolytic tank 1, a driving mechanism 2 is commonly arranged in the inner cavity of the electrolytic tank 1 and the top of the electrolytic tank 1, a hollow rotating shaft 21 in the driving mechanism 2 cannot drive a reciprocating screw rod 25 in the driving mechanism 2 to synchronously rotate when rotating clockwise, the hollow rotating shaft 21 in the driving mechanism 2 drives the reciprocating screw rod 25 in the driving mechanism 2 to synchronously rotate when rotating anticlockwise, a stirring mechanism 3 is in transmission connection with the driving mechanism 2, a plurality of activated carbon and scrap iron containing mechanisms 4 are arranged on the stirring mechanism 3, a blocking lifting mechanism 5 is arranged at the bottom of the inner cavity of the electrolytic tank 1, an outer lifting plate 53 in the blocking lifting mechanism 5 compresses the activated carbon and scrap iron containing mechanisms 4 when ascending, a trigger type water supply mechanism 6 is arranged on the blocking lifting mechanism 5, a trigger type water supply mechanism 61 in the trigger type water supply mechanism 6 drives a sealed fixed water tank 6 to penetrate through a fixed water tank 1, a right side of an electrolytic tank 1, and a right side of an electrolytic tank 7, and a trigger type wastewater output pipe 9 is arranged on a left side of a trigger type water supply fixed water tank, and a right side of an electrolytic tank 1, and a wastewater output pipe 9 is arranged on the electrolytic tank 1.

As shown in fig. 3 and 4, the driving mechanism 2 includes a hollow rotating shaft 21, a first gear 22, a driving motor 23, a second gear 24 and a reciprocating screw rod 25, wherein the hollow rotating shaft 21 is nested at the top of the electrolytic tank 1 through a bearing, the first gear 22 is fixedly sleeved at the top of the outside of the hollow rotating shaft 21, the driving motor 23 is fixedly disposed at the right side of the top of the electrolytic tank 1, the second gear 24 is in transmission connection with the driving motor 23 and is meshed with the first gear 22, the hollow rotating shaft 21, the first gear 22, the driving motor 23 and the second gear 24 are disposed such that the driving motor 23 can drive the first gear 22 to rotate through the second gear 24, the first gear 22 drives the hollow rotating shaft 21 to rotate, the top end of the reciprocating screw rod 25 is connected with the bottom end of the hollow rotating shaft 21 through an overrunning clutch, so that the reciprocating screw rod 25 cannot be driven to rotate synchronously when the hollow rotating shaft 21 rotates clockwise, and the reciprocating screw rod 25 is driven to rotate synchronously when the hollow rotating shaft 21 rotates counterclockwise.

As shown in fig. 2 and fig. 3, the stirring mechanism 3 includes a rotating disc 31, two stirring rods 32, two third gears 33 and a gear ring 34, wherein the rotating disc 31 is fixedly sleeved outside the hollow rotating shaft 21, the two stirring rods 32 and the two third gears 33 are both provided, the two stirring rods 32 are respectively provided on both sides of the top of the rotating disc 31 through the rotation of a bearing, the two gear rings 34 are respectively fixedly provided on the top ends of the two third gears 33, the gear ring 34 is sleeved outside the two third gears 33 and engaged with the two third gears 33, the gear ring 34 is fixedly provided on the top of the inner cavity of the electrolytic tank 1, so that when the rotating disc 31 rotates under the driving of the hollow rotating shaft 21, the two stirring rods 32 revolve around the hollow rotating shaft 21, and during the revolution of the two stirring rods 32, the third gears 33 drive the rotation of the stirring rods 32 due to the restriction of the gear rings 34.

As shown in fig. 4, the activated carbon and iron filings containing mechanism 4 includes a sliding sleeve 41, a spherical containing mesh enclosure 42, a first spring 43 and a sliding sleeve ring 44, wherein the sliding sleeve 41 is slidably sleeved on the outer side of the stirring rod 32, the sliding sleeve 41 is fixedly sleeved on the outer side of the sliding sleeve 41, the spherical containing mesh enclosure 42 is internally filled with activated carbon and iron filings, the first spring 43 and the sliding sleeve ring 44 are both provided with two pieces, the first spring 43 and the sliding sleeve ring 44 are both sleeved on the outer side of the stirring rod 32, one end of the first spring 43 is fixedly connected with the sliding sleeve 41 and the other end is fixedly connected with the adjacent sliding sleeve ring 44, so that the sliding sleeve 41 can drive the spherical containing mesh enclosure 42 to slide on the outer side of the stirring rod 32, and when the activated carbon and iron filings containing mechanism 4 is compressed, the two first springs 43 are both shortened, thereby reducing the overall height of the activated carbon and iron filings containing mechanism 4.

As shown in fig. 5, the blocking and lifting mechanism 5 includes a threaded sleeve 51, an inner lifting plate 52, an outer lifting plate 53 and guide rods 54, wherein the threaded sleeve 51 is sleeved on the bottom of the outer side of the reciprocating screw rod 25 and is in threaded connection with the reciprocating screw rod 25, the inner lifting plate 52 is fixedly sleeved on the bottom of the outer side of the threaded sleeve 51, the outer lifting plate 53 is rotatably sleeved on the outer side of the inner lifting plate 52 through a bearing, two guide rods 54 are provided, the two guide rods 54 are respectively slidably arranged on two sides of the top of the inner lifting plate 52, the bottom end of each guide rod 54 is fixedly connected with the inner wall of the electrolytic tank 1, so that when the reciprocating screw rod 25 drives the threaded sleeve 51 to ascend, the inner lifting plate 52 drives the outer lifting plate 53 to ascend synchronously under the limitation of the guide rods 54, and when the outer lifting plate 53 ascends, the outer lifting plate slides on the outer side of the stirring rod 32, and further pushes and compresses the activated carbon and scrap iron containing mechanism 4.

As shown in fig. 3, the triggered water supply mechanism 6 includes a trigger plate 61, a second spring 62, a limiting block 63, an annular rotating block 64, L-shaped rods 65, a sealing sleeve ring 66, a water inlet through hole 67 and a cleaning water inlet pipe 68, wherein the trigger plate 61 is slidably sleeved on the outer sides of the two guide rods 54, the second spring 62 and the limiting block 63 are provided with two second springs 62 respectively sleeved on the outer sides of the two guide rods 54, the two limiting blocks 63 are fixedly provided on the top ends of the two guide rods 54, respectively, one end of the second spring 62 is fixedly connected to the trigger plate 61 and the other end is fixedly connected to the limiting block 63, the annular rotating block 64 is rotatably nested on the top of the trigger plate 61 through a bearing, the L-shaped rods 65 are provided with two L-shaped rods 65, the L-shaped rods 65 are fixedly provided on the top of the annular rotating block 64, the sealing sleeve ring 66 is slidably sleeved on the outer side of the hollow rotating shaft 21 and fixedly connected to the two L-shaped rods 65, the water inlet through hole 67 is disposed on the hollow rotating shaft 21, the cleaning water inlet pipe 68 is connected to the top end 21 through a rotary joint so as to continuously lift the lifting plate 52, and drive the water inlet pipe 67 to remove the wastewater from the inner side of the cleaning tank 1.

Example 2

The method for the deep treatment and desalination of the sucralose extraction wastewater specifically comprises the following steps:

s2, inputting the tower kettle wastewater with the pH value adjusted into an electrolytic tank 1 through a tower kettle wastewater input pipe 7, wherein the liquid level is lower than the height of an outlet of the tower kettle wastewater input pipe 7 and an inlet of a cleaning water output pipe 9, the tower kettle wastewater passes through a hole in a spherical containing mesh enclosure 42 to be contacted with activated carbon and scrap iron in the spherical containing mesh enclosure 42, starting a micro-electrolytic component in the electrolytic tank 1, and simultaneously starting a driving motor 23, so that the driving motor 23 drives a hollow rotating shaft 21 to rotate clockwise through a first gear 22 and a second gear 24, at the moment, the hollow rotating shaft 21 drives two stirring rods 32 to revolve around the hollow rotating shaft 21 by virtue of a rotating disc 31, the stirring rods 32 drive a plurality of activated carbon and scrap iron containing mechanisms 4 to revolve synchronously when revolving, so as to stir the tower kettle wastewater, and simultaneously, the activated carbon and the scrap iron in the spherical containing mesh enclosure 42 are more effectively contacted with the tower kettle wastewater;

s3, after micro-electrolysis of the tower kettle wastewater is finished, outputting the wastewater through an electrolytic wastewater output pipe 8, treating the wastewater by a Fenton method to further degrade organic matters difficult to degrade in the wastewater, after the Fenton method treatment is finished, carrying out ozone oxidation treatment on the wastewater, and finally carrying out evaporation concentration treatment on the wastewater subjected to ozone oxidation treatment to obtain cleaner salt and fresh water;

s4, after the wastewater in the electrolytic tank 1 is discharged, the driving motor 23 drives the hollow rotating shaft 21 to rotate anticlockwise through the first gear 22 and the second gear 24, the reciprocating screw rod 25 is driven by the hollow rotating shaft 21 to rotate synchronously, at the moment, the threaded sleeve 51 drives the inner lifting plate 52 and the outer lifting plate 53 to ascend along the reciprocating screw rod 25, and the outer lifting plate 53 pushes the plurality of activated carbon and scrap iron containing mechanisms 4 on the outer side of the stirring rod 32 upwards when ascending;

s5, when the rising heights of the inner lifting plate 52 and the outer lifting plate 53 reach a first threshold value, at this time, the heights of the inner lifting plate 52 and the outer lifting plate 53 are greater than the height of an inlet of a cleaning water output pipe 9, the inner lifting plate 52 starts to push the trigger plate 61, the trigger plate 61 drives the sealing lantern ring 66 to move upwards through the annular rotating block 64 and the L-shaped rod 65, at this time, the sealing lantern ring 66 removes the sealing of the water inlet through hole 67, cleaning water output by the cleaning water input pipe 68 enters the interior of the electrolytic tank 1 through the water inlet through hole 67, and is accumulated at the top of the inner cavity of the electrolytic tank 1 due to the blocking of the inner lifting plate 52 and the outer lifting plate 53, in the process, the hollow rotating shaft 21 continues to drive the two stirring rods 32 and the plurality of activated carbon and scrap iron containing mechanisms 4 to revolve through the rotating disc 31, so that the activated carbon and scrap iron containing mechanisms 4 effectively contact with the cleaning water and are cleaned, and the activated carbon and scrap iron containing mechanisms 4 continue to drive the activated carbon and scrap containing mechanisms 4 to rise, and compress the first springs 43 in the activated carbon and scrap containing mechanisms 4;

s6, when the rising heights of the inner lifting plate 52 and the outer lifting plate 53 reach a second threshold value, due to the arrangement of reciprocating threads on the outer side of the reciprocating screw rod 25, the reciprocating screw rod 25 starts to drive the inner lifting plate 52 and the outer lifting plate 53 to descend, and along with the continuous movement of the inner lifting plate 52 and the outer lifting plate 53, when the current heights of the inner lifting plate 52 and the outer lifting plate 53 are smaller than the first threshold value, the second spring 62 drives the trigger plate 61 to reset, so that the sealing sleeve ring 66 blocks the water inlet through hole 67, and the cleaning water is not output any more;

s7, when the inner lifting plate 52 and the outer lifting plate 53 move to the bottom of the opening of the cleaning water output pipe 9, stopping the driving motor 23, discharging cleaning water through the cleaning water output pipe 9, then enabling the driving motor 23 to continuously drive the hollow rotating shaft 21 to rotate anticlockwise, further enabling the blocking and lifting mechanism 5 to reset, and enabling the activated carbon and scrap iron containing mechanism 4 to synchronously slide and reset on the outer side of the stirring rod 32 after the blocking and lifting mechanism 5 resets.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A method for deep treatment and desalination of sucralose extraction wastewater is characterized by comprising the following steps: sucralose extraction waste water advanced treatment and desalination's method uses sucralose extraction waste water advanced treatment and desalination's equipment to realize, sucralose extraction waste water advanced treatment and desalination's equipment includes electrolysis jar (1), electrolysis jar (1) inner chamber and electrolysis jar (1) top are provided with actuating mechanism (2) jointly, reciprocal lead screw (25) synchronous revolution in unable drive actuating mechanism (2) during hollow rotation axle (21) clockwise rotation in actuating mechanism (2), reciprocal lead screw (25) synchronous revolution in drive actuating mechanism (2) during hollow rotation axle (21) anticlockwise rotation in actuating mechanism (2), the drive is connected with rabbling mechanism (3) on actuating mechanism (2), be provided with a plurality of active carbon and iron fillings hold mechanism (4) on rabbling mechanism (3), electrolysis jar (1) inner chamber bottom is provided with separation lifting mechanism (5), when rising, external lifting plate (53) compress active carbon and hold mechanism (4) in separation lifting mechanism (5), be provided with on separation lifting mechanism (5) and trigger formula input formula trigger formula (6) the fixed water supply trigger formula in the mechanism (6) and pass through electrolysis water trigger formula lift jar (6) in the right side and trigger formula (6) the sealed water tank (6) and the sealed jar (6) of the water supply mechanism (1) and the sealed cauldron (6) is provided with the sealed jar (3) in the lift mechanism (1) that goes up and the rising, the time An electrolytic wastewater output pipe (8) is fixedly arranged at the bottom of the side in a penetrating manner, and a cleaning water output pipe (9) is fixedly arranged in the middle of the right side of the electrolytic tank (1) in a penetrating manner.

2. The method for advanced treatment and desalination of sucralose extraction wastewater according to claim 1, wherein the method comprises the following steps: the driving mechanism (2) comprises a hollow rotating shaft (21), a first gear (22), a driving motor (23), a second gear (24) and a reciprocating screw rod (25);

hollow rotating shaft (21) rotate the nestification through the bearing and set up in electrolysis jar (1) top, first gear (22) are fixed to be cup jointed and are set up in hollow rotating shaft (21) outside top, driving motor (23) are fixed to be set up in electrolysis jar (1) top right side, second gear (24) are connected with driving motor (23) transmission, and with first gear (22) meshing, reciprocating screw rod (25) top is connected with hollow rotating shaft (21) bottom through freewheel clutch.

3. The method of claim 2, wherein the method comprises the following steps: the stirring mechanism (3) comprises a rotating disc (31), a stirring rod (32), a third gear (33) and a gear ring (34);

fixed cover of rotary disk (31) connects to be established in hollow rotating shaft (21) outside, puddler (32) all are provided with two, two with third gear (33) puddler (32) rotate respectively through the bearing and run through and set up in rotary disk (31) top both sides, two gear ring (34) are fixed respectively and are set up in two third gear (33) tops, gear ring (34) cup joint set up in two third gear (33) outsides and with two third gear (33) meshing, gear ring (34) are fixed to be set up in electrolysis jar (1) inner chamber top.

4. The method for advanced treatment and desalination of sucralose extraction wastewater according to claim 3, wherein the method comprises the following steps: the active carbon and scrap iron containing mechanism (4) comprises a sliding sleeve (41), a spherical containing mesh enclosure (42), a first spring (43) and a sliding lantern ring (44);

sliding sleeve (41) slip cup joint and set up in puddler (32) outside, sliding sleeve (41) are fixed to be cup jointed and set up in sliding sleeve (41) outside, the spherical screen panel (42) that holds is inside to be filled with active carbon and iron fillings, first spring (43) all are provided with two with the slip lantern ring (44), first spring (43) all cup joint with the slip lantern ring (44) and set up in the puddler (32) outside, first spring (43) one end and sliding sleeve (41) fixed connection and the other end and adjacent slip lantern ring (44) fixed connection.

5. The method of claim 4, wherein the method comprises the following steps: the blocking and lifting mechanism (5) comprises a threaded sleeve (51), an inner lifting plate (52), an outer lifting plate (53) and a guide rod (54);

threaded sleeve (51) cup joints and sets up in reciprocal lead screw (25) outside bottom and with reciprocal lead screw (25) threaded connection, interior lifter plate (52) fixed cup joint sets up in threaded sleeve (51) outside bottom, outer lifter plate (53) rotate through the bearing and cup joint and set up in the interior lifter plate (52) outside, guide bar (54) are provided with two, two guide bar (54) slide respectively to run through and set up in interior lifter plate (52) top both sides, guide bar (54) bottom and electrolysis jar (1) inner wall fixed connection.

6. The method for advanced treatment and desalination of sucralose extraction wastewater according to claim 5, wherein the method comprises the following steps: the trigger type water supply mechanism (6) comprises a trigger plate (61), a second spring (62), a limiting block (63), an annular rotating block (64), an L-shaped rod (65), a sealing sleeve ring (66), a water inlet through hole (67) and a cleaning water input pipe (68);

trigger plate (61) slip to cup joint and set up in two guide bar (54) outsides, second spring (62) all are provided with two, two with stopper (63) second spring (62) cup joint respectively and set up in two guide bar (54) outsides, two stopper (63) are fixed respectively and set up in two guide bar (54) tops, second spring (62) one end and trigger plate (61) fixed connection and the other end and stopper (63) fixed connection, annular rotatory piece (64) rotate nested setting in trigger plate (61) top through the bearing, L shape pole (65) are provided with two, two L shape pole (65) are fixed respectively and set up in annular rotatory piece (64) top both sides, the sealing sleeve ring (66) slip to cup joint and set up in hollow rotation axis (21) outside, and with two L shape pole (65) fixed connection, water inlet hole (67) run through and set up on hollow rotation axis (21), wash water input pipe (68) are connected with hollow rotation axis (21) top through rotary joint.

7. The method according to claim 6, wherein the method for deep treatment and desalination of sucralose extraction wastewater specifically comprises the following steps:

s2, inputting the tower kettle wastewater with the pH value adjusted into an electrolytic tank (1) through a tower kettle wastewater input pipe (7), wherein the liquid level is lower than the height of an outlet of the tower kettle wastewater input pipe (7) and an inlet of a cleaning water output pipe (9), the tower kettle wastewater passes through a hole in a spherical containing mesh enclosure (42) to be in contact with active carbon and scrap iron in the spherical containing mesh enclosure (42), starting a micro-electrolytic component in the electrolytic tank (1), and simultaneously starting a driving motor (23), so that the driving motor (23) drives a hollow rotating shaft (21) to rotate clockwise through a first gear (22) and a second gear (24), at the moment, the hollow rotating shaft (21) drives two stirring rods (32) to revolve around the hollow rotating shaft (21) as an axis through a rotating disk (31), and the stirring rods (32) drive a plurality of active carbon and scrap iron containing mechanisms (4) to revolve synchronously, so as to stir the tower kettle wastewater, and simultaneously, the active carbon mesh enclosure in the spherical containing mesh enclosure (42) and the more effective scrap iron are in contact with the tower kettle wastewater;

s3, after the micro-electrolysis of the tower kettle wastewater is finished, outputting the wastewater through an electrolytic wastewater output pipe (8), treating the wastewater by a Fenton method, further degrading organic matters which are difficult to degrade in the wastewater, after the Fenton method treatment is finished, carrying out ozone oxidation treatment on the wastewater, and finally carrying out evaporation concentration treatment on the wastewater subjected to the ozone oxidation treatment to obtain cleaner salt and fresh water;

s4, after the wastewater in the electrolytic tank (1) is discharged, a driving motor (23) drives a hollow rotating shaft (21) to rotate anticlockwise through a first gear (22) and a second gear (24), a reciprocating screw rod (25) is driven by the hollow rotating shaft (21) to synchronously rotate, at the moment, a threaded sleeve (51) drives an inner lifting plate (52) and an outer lifting plate (53) to ascend along the reciprocating screw rod (25), and when the outer lifting plate (53) ascends, a plurality of active carbon and scrap iron containing mechanisms (4) on the outer side of a stirring rod (32) are upwards pushed;

s5, when the rising heights of the inner lifting plate (52) and the outer lifting plate (53) reach a first threshold value, the heights of the inner lifting plate (52) and the outer lifting plate (53) are larger than the inlet height of a cleaning water output pipe (9), the inner lifting plate (52) starts to push the trigger plate (61), the trigger plate (61) drives the sealing lantern ring (66) to move upwards through the annular rotating block (64) and the L-shaped rod (65), the sealing lantern ring (66) relieves the sealing of the water inlet through hole (67), cleaning water output by the cleaning water input pipe (68) enters the electrolytic tank (1) through the water inlet through hole (67), and the cleaning water is accumulated at the top of the inner cavity of the electrolytic tank (1) due to the blocking of the inner lifting plate (52) and the outer lifting plate (53), in the process, the hollow rotating shaft (21) continues to drive the two stirring rods (32) and the plurality of activated carbon and scrap iron containing mechanisms (4) through the rotating disc (31), so that the activated carbon and scrap iron containing mechanisms (4) effectively contact with the cleaning water, and the activated carbon and scrap iron containing mechanisms (43) continue to drive the activated carbon lifting plate (53) to rotate and the iron containing mechanism in the cleaning process;

s6, when the rising heights of the inner lifting plate (52) and the outer lifting plate (53) reach a second threshold value, due to the arrangement of reciprocating threads on the outer side of the reciprocating screw rod (25), the reciprocating screw rod (25) starts to drive the inner lifting plate (52) and the outer lifting plate (53) to descend, and along with the continuous motion of the inner lifting plate (52) and the outer lifting plate (53), when the current heights of the inner lifting plate (52) and the outer lifting plate (53) are smaller than the first threshold value, the second spring (62) drives the trigger plate (61) to reset, so that the sealing sleeve ring (66) blocks the water inlet through hole (67), and the cleaning water is not output any more;

s7, when the inner lifting plate (52) and the outer lifting plate (53) move to the bottom of the opening of the cleaning water output pipe (9), stopping the driving motor (23), discharging cleaning water through the cleaning water output pipe (9), then enabling the driving motor (23) to continuously drive the hollow rotating shaft (21) to rotate anticlockwise, further enabling the blocking and lifting mechanism (5) to reset, and enabling the activated carbon and scrap iron containing mechanism (4) to synchronously slide and reset outside the stirring rod (32) after the blocking and lifting mechanism (5) resets.