CN114832530A - DMAC (dimethylacetamide) multi-stage spraying recycling system and method - Google Patents
DMAC (dimethylacetamide) multi-stage spraying recycling system and method Download PDFInfo
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- CN114832530A CN114832530A CN202210522995.2A CN202210522995A CN114832530A CN 114832530 A CN114832530 A CN 114832530A CN 202210522995 A CN202210522995 A CN 202210522995A CN 114832530 A CN114832530 A CN 114832530A
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- 238000004064 recycling Methods 0.000 title claims abstract description 78
- 238000005507 spraying Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 21
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 title abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000001914 filtration Methods 0.000 claims abstract description 27
- 230000000149 penetrating effect Effects 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 4
- 229920000742 Cotton Polymers 0.000 claims description 42
- 238000011084 recovery Methods 0.000 claims description 30
- 238000007906 compression Methods 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 6
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000008025 crystallization Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 claims 19
- 238000004140 cleaning Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
- 239000012346 acetyl chloride Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000005260 corrosion Methods 0.000 description 1
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- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000895 extractive distillation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000003960 organic solvent Substances 0.000 description 1
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- 239000002798 polar solvent Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a DMAC (dimethylacetamide) multi-stage spraying recycling system and method, wherein a recycling mechanism comprises a connecting pipe and a fixed seat, the inside of the connecting pipe is communicated with the inside of a recycling box in a penetrating manner, the fixed seat is arranged inside the recycling box, a filtering component and an exhaust component are arranged outside the fixed seat, the top of the fixed seat is fixedly connected with a cross bar, and the outer surface of the cross bar is fixedly connected with the inner wall of the recycling box. The DMAC multi-stage spraying recycling system and method are characterized in that a recycling mechanism is arranged, firstly, a driving motor drives a rotating shaft to rotate, an impeller rotates along with the impeller, the DMAC liquid and spray after spraying are absorbed through the suction and the effect of a connecting pipe, the DMAC liquid and the spray enter the inside of a recycling box, the DMAC can be comprehensively recycled to the inside of the recycling box, the environment pollution caused by external leakage is avoided, and the problem that the DMAC recycling is not thorough due to incomplete spraying of the spraying system of the existing recycling device is solved through the combination of the structure.
Description
Technical Field
The invention relates to the technical field of DMAC (dimethylacetamide) recovery, in particular to a DMAC multi-stage spraying, recovering and recycling system and method.
Background
Dimethylacetamide, known collectively as N, N-dimethylacetamide, abbreviated as DMAC or DMA; one commonly used as aprotic polar solvent; colorless transparent liquid, and combustible. Can be mixed with water, alcohol, ether, ester, benzene, chloroform, aromatic compound and other organic solvents; used for preparing medicines and synthetic resins, also used as a solvent for polyacrylonitrile spinning, an extractive distillation solvent for separating styrene from a carbon eight fraction, and the like; prepared by the reaction of dimethylamine and acetyl chloride.
In the conventional DMAC recovery spraying device, the DMAC is generally recovered by using the characteristic that DMAC is soluble in water, however, in the recovery process, more impurities are often mixed in the air containing DMAC, and the DMAC is not completely recovered easily due to incomplete spraying of the spraying system, so that the above problems need to be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a DMAC multi-stage spraying recycling system and a DMAC multi-stage spraying recycling method, and solves the problem that the DMAC cannot be completely recycled due to incomplete spraying of a spraying system in the conventional recycling device.
In order to achieve the purpose, the invention is realized by the following technical scheme: DMAC multilevel spray retrieves system of recycling, including the collection box, the bottom of collection box is provided with the landing leg, the side of collection box is provided with the chamber door, the bottom of collection box runs through the intercommunication and has the discharging pipe, the inside of collection box is provided with retrieves the mechanism.
The recycling mechanism comprises a connecting pipe and a fixed seat, the inside of the connecting pipe is communicated with the inside of the recycling box in a penetrating manner, the fixed seat is arranged inside the recycling box, a filtering component and an exhaust component are arranged outside the fixed seat, the top of the fixed seat is fixedly connected with a cross bar, the outer surface of the cross bar is fixedly connected with the inner wall of the recycling box, an embedding groove is formed in the fixed seat, the inner surface of the embedding groove is fixedly connected with a driving motor, the output end of the driving motor is rotatably connected with the inside of the fixed seat in a penetrating manner, the output end of the driving motor is fixedly connected with a rotating shaft through a coupler, the outer surface of the rotating shaft is fixedly connected with an impeller in a penetrating manner, and the outer surface of the rotating shaft is fixedly connected with a rotating rod;
the exhaust subassembly includes the blast pipe, the inside of blast pipe and the inside of collection box run through the intercommunication, the outside of blast pipe is provided with the pneumatic valve, the inner wall of blast pipe is provided with the filter column, the left and right sides of blast pipe one end all rotates and is connected with the commentaries on classics strip, two it is connected through colluding the spring to change the strip, the surface swing joint who changes the strip and collude the spring all with the surface of filter column.
Preferably, the filtering component comprises a filtering plate and symmetrically arranged sliding rails, the filtering plate is connected with the recycling box through a sliding unit, and the outer surfaces of the sliding rails are fixedly connected with the inner wall of the recycling box.
Preferably, the top of the filter plate is movably connected with a cotton plate, the left side and the right side of the top of the filter plate are both provided with side grooves, and the inner surfaces of the side grooves are movably connected with connecting strips.
Preferably, the outer surface of the connecting strip is fixedly connected with the outer surface of the cotton plate, a bolt is connected with the inner part of the connecting strip in a penetrating and threaded manner, and the outer surface of the bolt is movably connected with the inner part of the filter plate in a penetrating manner.
Preferably, the inner wall of the sliding rail is connected with a linear motor in a sliding mode, the bottom of the linear motor is fixedly connected with clamping blocks, and a pressing roller is arranged between the clamping blocks.
Preferably, the outer surface of the compression roller is movably connected with the outer surface of the cotton plate, a connecting rod fixedly connected with the compression roller penetrates through the compression roller, and the outer surface of the connecting rod is rotatably connected with the clamping block in a penetrating mode.
Preferably, the sliding unit comprises symmetrically arranged sliding frames, the outer surfaces of the two sliding frames are fixedly connected with the inner wall of the recovery box, the inner wall of each sliding frame is connected with a sliding strip in a sliding mode, and the outer surfaces of the sliding strips are fixedly connected with the outer surface of the filter plate.
Preferably, the inside of draw runner is seted up link groove that link up, the internal surface swing joint who links the groove has servo motor, servo motor's surface and the inner wall fixed connection of balladeur train, servo motor's output passes through shaft coupling fixedly connected with lead screw, the surface of lead screw and the internal surface threaded connection who links the groove.
The invention also discloses a DMAC multistage spraying, recycling and reusing method, which specifically comprises the following steps:
s1: the method comprises the following steps of negative pressure recovery, firstly, driving a motor to drive a rotating shaft to rotate, enabling an impeller to rotate along with the rotating shaft, absorbing the sprayed DMAC liquid and spray through the action of suction and a connecting pipe, enabling the DMAC liquid and the spray to enter the interior of a recovery box, simultaneously, opening a pressure valve on an exhaust pipe when the air pressure in the recovery box reaches a certain value, exhausting air to the exterior through the exhaust pipe, and adsorbing and filtering the DMAC liquid in the air through a filter column;
s2: the DMAC liquid is rolled and filtered, after entering the interior of the recycling box through suction, the DMAC liquid can be contacted with a cotton plate, the cotton plate adsorbs the DMAC liquid and dust mixed in the DMAC liquid, the linear motor reciprocates in the sliding rail, the compression roller is driven to rotate through a clamping block and a connecting rod, the compression roller rolls on the cotton plate to roll the cotton plate, the DMAC liquid adsorbed by the cotton plate is separated, the DMAC liquid falls into the bottom of the recycling box through a filtering plate, meanwhile, the DMAC liquid is heated through a rotating shaft, the DMAC liquid is stirred through the rotating rod to be uniformly heated, crystallization in the interior of the recycling box is avoided, and the filtered DMAC liquid can be discharged through a discharging pipe to be recycled;
s3: the filter clearance, after retrieving the filtration and accomplishing, open the chamber door of collection box side, servo motor drives the lead screw thereupon for the draw runner slides in the balladeur train is inside, and drives the filter motion, makes the filter drive cotton board pass through the chamber door and move to the collection box outside, thereby carries out the dismantlement of cotton board and changes, and the clearance of filter.
Preferably, the driving motor, the linear motor, the rotating shaft and the servo motor mentioned in S1-S3 are all electrically connected to an external control circuit.
Advantageous effects
The invention provides a DMAC multi-stage spraying recycling system and a DMAC multi-stage spraying recycling method. Compared with the prior art, the method has the following beneficial effects:
(1) the DMAC multi-stage spraying recycling system and the DMAC multi-stage spraying recycling method comprise a connecting pipe and a fixed seat, wherein the inside of the connecting pipe is communicated with the inside of a recycling box in a penetrating manner, the fixed seat is arranged inside the recycling box, a filtering component and an exhaust component are arranged outside the fixed seat, a cross bar is fixedly connected to the top of the fixed seat, the outer surface of the cross bar is fixedly connected with the inner wall of the recycling box, an embedded groove is formed in the fixed seat, a driving motor is fixedly connected to the inner surface of the embedded groove, the output end of the driving motor is rotatably connected with the inside of the fixed seat in a penetrating manner, the output end of the driving motor is fixedly connected with a rotating shaft through a coupler, an impeller is fixedly connected to the outer surface of the rotating shaft in a penetrating manner, and a rotating rod is fixedly connected to the outer surface of the rotating shaft; the exhaust component comprises an exhaust pipe, the interior of the exhaust pipe is communicated with the interior of the recovery box in a penetrating manner, a pneumatic valve is arranged outside the exhaust pipe, a filter column is arranged on the inner wall of the exhaust pipe, the left side and the right side of one end of the exhaust pipe are respectively and rotatably connected with a rotating strip, the two rotating strips are connected through a hook spring, the outer surfaces of the rotating strips and the hook spring are respectively and movably connected with the outer surface of the filter column, through the arrangement of a recovery mechanism, a driving motor drives a rotating shaft to rotate, so that an impeller rotates along with the impeller, the sprayed DMAC liquid and spray are absorbed through the suction force and the effect of a connecting pipe, the DMAC liquid and the spray enter the interior of the recovery box, meanwhile, when the air pressure inside the recovery box reaches a certain value, the pneumatic valve on the exhaust pipe is opened, air is exhausted to the outside through the exhaust pipe, and the filter column absorbs and filters the DMAC liquid in the gas, so that the DMAC can be comprehensively recovered to the interior of the recovery box, and the environment is prevented from leaking, the pivot heats DMAC liquid simultaneously, and the bull stick stirs DMAC liquid and makes it be heated evenly, avoids at the inside crystallization of collection box, and the DMAC liquid accessible discharging pipe discharge after filtering recycles, has solved current recovery unit because of spraying system not completely leads to the incomplete problem of DMAC recovery through the combination of above-mentioned structure.
(2) The DMAC multi-stage spraying recycling system and the method thereof, a filtering component comprises a filtering plate and symmetrically arranged sliding rails, the filtering plate is connected with a recycling box through a sliding unit, the outer surfaces of the two sliding rails are fixedly connected with the inner wall of the recycling box, the top of the filtering plate is movably connected with a cotton plate, the left side and the right side of the top of the filtering plate are respectively provided with a side groove, the inner surface of each side groove is movably connected with a connecting strip, the outer surface of each connecting strip is fixedly connected with the outer surface of the cotton plate, the inner part of each connecting strip is connected with a bolt through a penetrating thread, the outer surface of each bolt is movably connected with the inner part of the filtering plate through a penetrating way, the inner wall of each sliding rail is connected with a linear motor in a sliding way, the bottom of each linear motor is fixedly connected with a clamping block, a compression roller is arranged between the clamping blocks, the outer surface of the compression roller is movably connected with the outer surface of the cotton plate, the inner part of the compression roller is fixedly connected with a connecting rod through, the outer surface of the connecting rod is rotatably connected with the inner part of the clamping block, through setting up filtering component, DMAC liquid gets into the inside back of collection box through suction, can contact with cotton board, cotton board adsorbs DMAC liquid and its inside dust of mingling, linear electric motor is at the inside reciprocating motion of slide rail thereupon, and drive the compression roller through clamp splice and connecting rod and rotate, the compression roller rolls to cotton board on cotton board, make cotton board absorbent DMAC liquid break away from, and fall into the collection box bottom portion through the filter, thereby can accomplish thorough recovery of DMAC, the combination through the above-mentioned structure has solved current recovery unit and has sprayed incomplete problem that leads to the DMAC to retrieve not thorough because of spraying system
(3) The sliding unit comprises symmetrically arranged sliding frames, the outer surfaces of the two sliding frames are fixedly connected with the inner wall of the recycling box, the inner wall of each sliding frame is connected with a sliding strip in a sliding manner, the outer surface of each sliding strip is fixedly connected with the outer surface of the filter plate, a through connecting groove is formed in each sliding strip, the inner surface of each connecting groove is movably connected with a servo motor, the outer surface of each servo motor is fixedly connected with the inner wall of each sliding frame, the output end of each servo motor is fixedly connected with a lead screw through a coupler, the outer surface of each lead screw is in threaded connection with the inner surface of each connecting groove, through the arrangement of the sliding unit, after recycling and filtering are completed, a box door on the side of the recycling box is opened, the servo motors drive the lead screws accordingly, the sliding strips slide in the sliding frames and drive the filter plates to move to the outside of the recycling box through the box doors, thereby be convenient for the dismantlement of cotton board to change to and the clearance of filter, there can not exist the incomplete problem of DMAC recovery when making the device reuse.
Drawings
FIG. 1 is a front view of the internal structure of the present invention;
FIG. 2 is a front view of the internal structure of the fixing base of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 4 is a front view of the external structure of the rotating shaft of the present invention;
FIG. 5 is a side view of the internal structure of the slide rail of the present invention;
FIG. 6 is a side view of the outer structure of the filter plate of the present invention;
FIG. 7 is a front view of the external structure of the filter plate of the present invention;
fig. 8 is a front view of the internal structure of the carriage of the present invention;
FIG. 9 is a side view of the internal structure of the exhaust pipe of the present invention;
FIG. 10 is a flow chart of a method of the present invention.
In the figure: 1-recovery box, 2-support leg, 3-box door, 4-discharge tube, 5-recovery mechanism, 51-connecting tube, 52-fixed seat, 53-filtering component, 531-filtering plate, 532-slide rail, 533-slide unit, 5331-carriage, 5332-slide bar, 5333-connecting groove, 5334-servo motor, 5335-screw rod, 534-cotton plate, 535-side groove, 536-connecting bar, 537-bolt, 538-linear motor, 539-clamping block, 5310-compression roller, 5311-connecting bar, 54-exhaust component, 541-exhaust pipe, 542-pneumatic valve, 543-filtering column, 544-rotating bar, 545-hook spring, 55-transverse bar, 56-caulking groove, 57-driving motor, 58-rotating shaft, 545-hook spring, 56-caulking groove, 57-driving motor, 59-impeller, 510-rotating rod.
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.
Referring to fig. 1-10, the present invention provides the following technical solutions: the DMAC multi-stage spraying recycling system comprises a recycling box 1, the internal structures of the recycling box 1 are subjected to corrosion-resistant treatment, supporting legs 2 are arranged at the bottom of the recycling box 1, a box door 3 is arranged on the side edge of the recycling box 1, the box door 3 is made of materials with good sealing performance and compression resistance, a discharging pipe 4 is communicated with the bottom of the recycling box 1 in a penetrating manner, one end of the discharging pipe 4 is communicated with a spraying system through a guide pipe, and a recycling mechanism 5 is arranged inside the recycling box 1; the recycling mechanism 5 comprises a connecting pipe 51 and a fixed seat 52, one end of the connecting pipe 51 is communicated with a spraying area of a spraying system, the inside of the connecting pipe 51 is communicated with the inside of the recycling box 1 in a penetrating way, the fixed seat 52 is arranged inside the recycling box 1, the outside of the fixed seat 52 is provided with a filtering component 53 and an exhaust component 54, the top of the fixed seat 52 is fixedly connected with a cross bar 55, the cross bar 55 and the fixed seat 52 are both provided with inclined planes for guiding liquid, the outer surface of the cross bar 55 is fixedly connected with the inner wall of the recycling box 1, the inside of the fixed seat 52 is provided with a caulking groove 56, the inner surface of the caulking groove 56 is fixedly connected with a driving motor 57, the output end of the driving motor 57 is rotatably connected with the inside of the fixed seat 52 in a penetrating way, the output end of the driving motor 57 is fixedly connected with a rotating shaft 58 through a coupler, the inside of the rotating shaft 58 is provided with a constant temperature heating element, and the constant temperature is between 30 ℃ and 40 ℃, DMAC crystallization and evaporation are avoided, the recycling of the rotary shaft is facilitated, the impeller 59 is fixedly connected to the outer surface of the rotary shaft 58 in a penetrating manner, and the rotary rod 510 is fixedly connected to the outer surface of the rotary shaft 58; the exhaust assembly 54 comprises an exhaust pipe 541, the inside of the exhaust pipe 541 is communicated with the inside of the recycling box 1 in a penetrating way, a pneumatic valve 542 is arranged outside the exhaust pipe 541, a filter column 543 is arranged on the inner wall of the exhaust pipe 541, the filter column 543 is made of a material with good adsorbability, the left side and the right side of one end of the exhaust pipe 541 are rotatably connected with rotating strips 544, the two rotating strips 544 are connected with each other through a hook spring 545, the outer surfaces of the rotating strips 544 and the hook springs 545 are movably connected with the outer surface of the filter column 543, the filter assembly 53 comprises a filter plate 531 and symmetrically arranged slide rails 532, the filter plate 531 is connected with the recycling box 1 through a sliding unit 533, the outer surfaces of the two slide rails 532 are fixedly connected with the inner wall of the recycling box 1, a cotton plate 534 is movably connected to the top of the filter plate 531, the cotton plate 534 is made of a material with good adsorbability, the left side and the right side of the top of the filter plate 531 are respectively provided with a side groove 535, the inner surface of the side groove 535 is movably connected with a connecting strip 536, the outer surface of the connecting bar 536 is fixedly connected with the outer surface of the cotton board 534, the inner part of the connecting bar 536 is connected with a bolt 537 through a thread, the outer surface of the bolt 537 is movably connected with the inner part of the filter board 531 through a penetration, the inner wall of the slide rail 532 is connected with a linear motor 538 in a sliding way, the bottom of the linear motor 538 is fixedly connected with a clamping block 539, a pressure roller 5310 is arranged between the clamping blocks 539, the distance between the pressure roller 5310 and the top of the filter board 531 is larger than the thickness of the cotton board 534, the outer surface of the pressure roller 5310 is movably connected with the outer surface of the cotton board 534 in a sliding way, a connecting rod 5311 is fixedly connected in the inner part of the pressure roller 5310 in a penetrating way, the outer surface of the connecting rod 5311 is rotatably connected with the inner part of the clamping block 539 in a penetrating way, the sliding unit 533 comprises symmetrically arranged sliding frames 5331, the outer surfaces of the two sliding frames 5331 are fixedly connected with the inner wall of the recycling bin 1, the inner wall of the sliding frame 5331 is connected with a sliding bar 5332, the sliding bar 5332 is made of a material with good sealing property, pressure resistance and wear resistance, the outer surface of the sliding strip 5332 is fixedly connected with the outer surface of the filter plate 531, a through connecting groove 5333 is formed in the sliding strip 5332, the inner surface of the connecting groove 5333 is movably connected with the servo motor 5334, in operation, the sliding strip 5332 wraps the servo motor 5334 through one side of the connecting groove 5333, the servo motor 5334 is prevented from being affected with damp and corroded and leaking electricity, the outer surface of the servo motor 5334 is fixedly connected with the inner wall of the sliding frame 5331, the output end of the servo motor 5334 is fixedly connected with the lead screw 5335 through the coupler, and the outer surface of the lead screw 5335 is in threaded connection with the inner surface of the connecting groove 5333.
The invention also discloses a DMAC multistage spraying, recycling and reusing method, which specifically comprises the following steps:
s1: the negative pressure recovery, firstly, the driving motor 57 drives the rotating shaft 58 to rotate, so that the impeller 59 rotates along with the rotation, the sprayed DMAC liquid and the spray are absorbed through the action of the suction force and the connecting pipe 51 and enter the recovery box 1, meanwhile, when the air pressure in the recovery box 1 reaches a certain value, the air pressure valve 542 on the exhaust pipe 541 is opened, the air is exhausted to the outside through the exhaust pipe 541, and the filtering column 543 absorbs and filters the DMAC liquid in the air;
s2: the DMAC liquid is rolled and filtered, and can contact with a cotton plate 534 after entering the interior of the recycling bin 1 through suction, the cotton plate 534 adsorbs the DMAC liquid and dust mingled in the DMAC liquid, then the linear motor 538 reciprocates in the sliding rail 532 and drives the compression roller 5310 to rotate through the clamping block 539 and the connecting rod 5311, the compression roller 5310 rolls on the cotton plate 534 to roll the cotton plate 534, so that the DMAC liquid adsorbed by the cotton plate 534 is separated and falls into the bottom of the recycling bin 1 through the filter plate 531, meanwhile, the DMAC liquid is heated through the rotating shaft 58, the DMAC liquid is stirred by the rotating rod 510 to be uniformly heated, crystallization in the recycling bin 1 is avoided, and the filtered DMAC liquid can be discharged through the discharge pipe 4 to be recycled;
s3: filter clearance, after retrieving the filtration and accomplishing, open the chamber door 3 of collection box 1 side, servo motor 5334 drives lead screw 5335 thereupon for draw runner 5332 is inside sliding at balladeur train 5331, and drives filter 531 motion, makes filter 531 drive cotton board 534 and passes through chamber door 3 and move to collection box 1 outside, thereby carries out the dismantlement of cotton board 534 and changes, and the clearance of filter 531.
In the present invention, the driving motor 57, the linear motor 538, the rotating shaft 58 and the servo motor 5334 mentioned in S1-S3 are all electrically connected to an external control circuit.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
- The DMAC multi-stage spraying recycling system comprises a recycling bin (1), wherein supporting legs (2) are arranged at the bottom of the recycling bin (1), a bin door (3) is arranged on the side of the recycling bin (1), and a discharging pipe (4) is communicated with the bottom of the recycling bin (1) in a penetrating mode and is characterized in that: a recovery mechanism (5) is arranged in the recovery box (1);the recycling mechanism (5) comprises a connecting pipe (51) and a fixed seat (52), the inside of the connecting pipe (51) is communicated with the inside of the recycling box (1) in a penetrating manner, the fixed seat (52) is arranged in the recycling box (1), a filtering component (53) and an exhaust component (54) are arranged outside the fixed seat (52), the top of the fixed seat (52) is fixedly connected with a transverse bar (55), the outer surface of the transverse bar (55) is fixedly connected with the inner wall of the recycling box (1), a caulking groove (56) is formed in the fixed seat (52), a driving motor (57) is fixedly connected with the inner surface of the caulking groove (56), the output end of the driving motor (57) is rotatably connected with the inside of the fixed seat (52) in a penetrating manner, a rotating shaft (58) is fixedly connected with the output end of the driving motor (57) through a coupler, and an impeller (59) is fixedly connected with the outer surface of the rotating shaft (58) in a penetrating manner, the outer surface of the rotating shaft (58) is fixedly connected with a rotating rod (510);exhaust subassembly (54) include blast pipe (541), the inside of blast pipe (541) runs through the intercommunication with the inside of collection box (1), the outside of blast pipe (541) is provided with atmospheric valve (542), the inner wall of blast pipe (541) is provided with filter column (543), the left and right sides of blast pipe (541) one end all rotates and is connected with commentaries on classics strip (544), two change strip (544) and be connected through colluding spring (545), the surface of commentaries on classics strip (544) and colluding spring (545) all with the surface swing joint of filter column (543).
- 2. The DMAC multi-stage spray reclamation system of claim 1, wherein: the filter assembly (53) comprises a filter plate (531) and symmetrically arranged slide rails (532), the filter plate (531) is connected with the recycling box (1) through a sliding unit (533), and the outer surfaces of the slide rails (532) are fixedly connected with the inner wall of the recycling box (1).
- 3. The DMAC multi-stage spray reclamation system of claim 2, wherein: the top swing joint of filter (531) has cotton board (534), limit groove (535) have all been seted up to the left and right sides at filter (531) top, the internal surface swing joint of limit groove (535) has even strip (536).
- 4. The DMAC multi-stage spray reclamation system of claim 3, wherein: the outer surface of the connecting strip (536) is fixedly connected with the outer surface of the cotton plate (534), the inner part of the connecting strip (536) is connected with a bolt (537) through threads, and the outer surface of the bolt (537) is movably connected with the inner part of the filter plate (531) through threads.
- 5. The DMAC multi-stage spray reclamation system of claim 3, wherein: the inner wall of the sliding rail (532) is connected with a linear motor (538) in a sliding mode, the bottom of the linear motor (538) is fixedly connected with clamping blocks (539), and a pressing roller (5310) is arranged between the clamping blocks (539).
- 6. The DMAC multi-stage spray reclamation system of claim 5, wherein: the outer surface of the compression roller (5310) is movably connected with the outer surface of the cotton plate (534), a connecting rod (5311) penetrates through and is fixedly connected with the inside of the compression roller (5310), and the outer surface of the connecting rod (5311) penetrates through and is rotatably connected with the inside of the clamping block (539).
- 7. The DMAC multi-stage spray reclamation system of claim 2, wherein: the sliding unit (533) comprises symmetrically arranged sliding frames (5331), the outer surfaces of the two sliding frames (5331) are fixedly connected with the inner wall of the recycling box (1), the inner wall of each sliding frame (5331) is connected with a sliding strip (5332) in a sliding mode, and the outer surface of each sliding strip (5332) is fixedly connected with the outer surface of the filter plate (531).
- 8. The DMAC multi-stage spray reclamation system of claim 7, wherein: link groove (5333) that link up is seted up to the inside of draw runner (5332), the internal surface swing joint in link groove (5333) has servo motor (5334), the outer surface of servo motor (5334) and the inner wall fixed connection of balladeur train (5331), shaft coupling fixedly connected with lead screw (5335) are passed through to the output of servo motor (5334), the surface of lead screw (5335) and the internal surface threaded connection in link groove (5333).
- The DMAC multi-stage spraying recycling method is characterized by comprising the following steps: the method specifically comprises the following steps:s1: negative pressure recovery, firstly, a motor (57) is driven to drive a rotating shaft (58) to rotate, an impeller (59) is driven to rotate, and accordingly, sprayed DMAC liquid and spray are absorbed through the suction force and the effect of a connecting pipe (51) and enter the recovery box (1), meanwhile, when the air pressure in the recovery box (1) reaches a certain value, an air pressure valve (542) on an exhaust pipe (541) is opened, air is exhausted to the outside through the exhaust pipe (541), and a filtering column (543) absorbs and filters the DMAC liquid in the air;s2: the DMAC liquid is rolled and filtered, and is contacted with a cotton plate (534) after entering the interior of the recovery box (1) through suction force, the cotton plate (534) adsorbs the DMAC liquid and dust mixed in the DMAC liquid, then the linear motor (538) reciprocates in the slide rail (532), and drives a compression roller (5310) to rotate through a clamping block (539) and a connecting rod (5311), the compression roller (5310) rolls on the cotton plate (534) to roll the cotton plate (534), so that the DMAC liquid adsorbed by the cotton plate (534) is separated and falls into the bottom of the recovery box (1) through a filter plate (531), meanwhile, the DMAC liquid is heated through a rotating shaft (58), and the DMAC liquid is stirred by the rotating rod (510) to be uniformly heated, so that crystallization in the interior of the recovery box (1) is avoided, and the filtered DMAC liquid can be discharged through a discharge pipe (4) for recycling;s3: the filter cleaning, after retrieving the filtration and accomplishing, open chamber door (3) of collection box (1) side, servo motor (5334) drive lead screw (5335) thereupon for draw runner (5332) are at carriage (5331) inside slip, and drive filter (531) motion, make filter (531) drive cotton board (534) and move to collection box (1) outside through chamber door (3), thereby carry out the dismantlement of cotton board (534) and change, and the clearance of filter (531).
- 10. The DMAC multi-stage spray recycling method of claim 9, wherein: the driving motor (57), the linear motor (538), the rotating shaft (58) and the servo motor (5334) mentioned in S1-S3 are all electrically connected with an external control circuit.
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| CN202210522995.2A CN114832530B (en) | 2022-05-13 | 2022-05-13 | DMAC multistage spraying recycling system and method |
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| CN202210522995.2A CN114832530B (en) | 2022-05-13 | 2022-05-13 | DMAC multistage spraying recycling system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160068351A (en) * | 2014-12-05 | 2016-06-15 | 주식회사 엘지화학 | Method for producing conjugated diene |
| JP6965479B1 (en) * | 2021-03-12 | 2021-11-10 | 生態環境部南京環境科学研究所 | Integrated equipment for repairing soil contaminated with organochlorine pesticides and treating exhaust gas |
| CN113856418A (en) * | 2021-11-05 | 2021-12-31 | 杭州青云新材料股份有限公司 | DMAC (dimethylacetamide) multistage spraying recycling system and method |
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2022
- 2022-05-13 CN CN202210522995.2A patent/CN114832530B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160068351A (en) * | 2014-12-05 | 2016-06-15 | 주식회사 엘지화학 | Method for producing conjugated diene |
| JP6965479B1 (en) * | 2021-03-12 | 2021-11-10 | 生態環境部南京環境科学研究所 | Integrated equipment for repairing soil contaminated with organochlorine pesticides and treating exhaust gas |
| CN113856418A (en) * | 2021-11-05 | 2021-12-31 | 杭州青云新材料股份有限公司 | DMAC (dimethylacetamide) multistage spraying recycling system and method |
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