CN113478692A - Automatic crushed powder recovery device and recovery process - Google Patents
Automatic crushed powder recovery device and recovery process Download PDFInfo
- Publication number
- CN113478692A CN113478692A CN202110816903.7A CN202110816903A CN113478692A CN 113478692 A CN113478692 A CN 113478692A CN 202110816903 A CN202110816903 A CN 202110816903A CN 113478692 A CN113478692 A CN 113478692A
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- cleaning
- scum
- roller
- extrusion
- sieve
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- 239000000843 powder Substances 0.000 title claims abstract description 29
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 113
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 229920003023 plastic Polymers 0.000 claims abstract description 47
- 239000004033 plastic Substances 0.000 claims abstract description 47
- 239000002699 waste material Substances 0.000 claims abstract description 41
- 238000005096 rolling process Methods 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 230000018044 dehydration Effects 0.000 claims abstract description 14
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000007667 floating Methods 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 65
- 206010024796 Logorrhoea Diseases 0.000 claims description 39
- 238000003756 stirring Methods 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 description 13
- 238000003466 welding Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- -1 this simultaneously Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- 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
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
- B01D29/52—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 multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- 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
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/80—Handling the filter cake in the filter for purposes other than for regenerating for drying
- B01D29/84—Handling the filter cake in the filter for purposes other than for regenerating for drying by gases or by heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0015—Washing, rinsing
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an automatic crushed powder recovery device which comprises cleaning tanks, a cleaning liquid guide mechanism, a floating slag collecting rolling sieve and a crushed powder dehydration mechanism, wherein each cleaning tank is an annular cleaning tank, the cleaning tanks are multiple and are sequentially arranged in parallel, the cleaning liquid guide mechanism is arranged in each cleaning tank, the floating slag collecting rolling sieve is in seamless connection with the cleaning tanks, and the floating slag roller sieve is provided with the plurality of crushed powder dehydration mechanisms; waste plastic bag powder in the cleaning pool is retrieved through the mode of automatic salvage, clears away the moisture content in the powder when retrieving, guarantees clean and the dehydration of powder like this, need not drying device like this and carries out the drying to the powder.
Description
Technical Field
The invention relates to the field of waste plastic environment-friendly treatment, in particular to an automatic crushed powder recovery device and a recovery process.
Background
The waste plastic recovered at present needs to be cleaned for many times through a water tank, so that impurities on the waste plastic are cleaned, then the cleaned plastic is recycled and granulated again through a melting and granulating mode, when the waste plastic is cleaned by the company in the past, the waste plastic is cleaned mainly through an annular cleaning tank, and then the cleaned waste plastic in the cleaning tank is raked out through a roller with raking nails, the semi-automatic mechanical roller realizes the separation of the plastic from liquid in the cleaning tank, but the mode has the great disadvantage that when the cleaned plastic is fished out through the roller, the waste plastic still has more water, and as the water in the cleaning tank cleans the waste plastic, more dregs exist in the water, and the water exists in the waste plastic, the waste plastics have dregs after sewage drying, so that the waste plastics are not cleaned, and impurities exist on plastic particles during granulation; meanwhile, when the roller separates the plastic in the cleaning tank, the waste plastic on the roller has more moisture, and thus a drying device is needed to dry the waste plastic, so that a recovery device and a process become complicated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic scrap recovery device and a recovery process, wherein waste plastic bag scraps in a cleaning tank are recovered in an automatic salvage mode, and moisture in the scraps is removed during recovery, so that the cleanness and dehydration of the scraps are ensured, and a drying device is not needed for drying the scraps.
In order to achieve the purpose, the scheme of the invention is as follows: an automatic crushed powder recovery device comprises cleaning pools, a cleaning liquid guide mechanism, a floating slag collecting rolling sieve and a crushed powder dewatering mechanism, wherein each cleaning pool is an annular cleaning pool, the cleaning pools are multiple and are sequentially arranged in parallel, the cleaning liquid guide mechanism is arranged in each cleaning pool, water is supplied and sprayed into the cleaning pools through the cleaning liquid guide mechanism, and thus waste plastics in the cleaning pools are cleaned through the cleaning liquid guide mechanism; be provided with the dross in every washing pond and collect the roll screen, the dross is collected the roll screen and is washd pond seamless joint, wash the abluent garrulous end in the pond and flow to the dross through washing liquid water conservancy diversion mechanism and collect on the roll screen, be provided with a plurality of garrulous end dewatering mechanism on the dross roller screen, realize through garrulous end dewatering mechanism that the dross is collected the dross and is carried out complete dehydration on the roller screen, garrulous end dewatering mechanism can be flexible on the dross is collected the roller simultaneously, the dross of being convenient for like this is collected the roller and is salvaged more garrulous ends, below on one side of every garrulous end dewatering mechanism is provided with transport assembly, carry next washing pond or melting device through transport assembly garrulous end after will dehydrating.
Preferably, the cleaning liquid guiding mechanism comprises fixing rods, spray heads and stirring blades, wherein a plurality of fixing rods are arranged in the cleaning tank, the fixing rods are arranged side by side, a plurality of spray heads are fixed on each fixing plate, a bearing is arranged between each fixing rod and the inner wall of the cleaning tank, a first linkage assembly is arranged between each fixing rod and the scum collecting rolling sieve, the swinging of each fixing rod is realized through the first linkage assembly, a plurality of stirring blades arranged side by side are arranged in the cleaning tank, the height of each stirring blade is lower than that of each fixing rod, each stirring blade comprises a rotating shaft and a blade, the rotating shaft is fixed on the inner part of the cleaning tank through the bearing, a plurality of groups of spiral blades are fixed on the rotating shaft, the bottoms of the spiral blades are contacted with the bottom surface of the cleaning tank, a second linkage assembly is arranged between each rotating shaft and the scum collecting rolling sieve, and the rotation of the rotating shaft is realized through the second linkage assembly, the rotating shaft drives the blades to rotate when rotating, so that the blades assist the flow of water and turn over the crumbs at the bottom of the cleaning pool.
Preferably, the scum collecting roller comprises a roller framework, a blocking net, raking nails and a driving assembly, the roller framework is fixed in the cleaning pool through a bearing, the driving assembly is connected to one side of the roller framework, the roller framework is driven to rotate through the driving assembly, the blocking net covers the periphery of the roller rotating framework, a plurality of rows of raking nails are arranged on the periphery of the roller framework and distributed on the roller framework in an annular array, and the raking nails are used for fishing up the crumbs in the cleaning pool; the position that is provided with the telescopic link that extends outward and every way telescopic link on the roller skeleton is corresponding with the position of harrow nail, is provided with at the telescopic link and carries out flexible garrulous end dehydration mechanism, and garrulous end dehydration mechanism realizes squeezing out the moisture in the garrulous end on the harrow nail simultaneously.
Preferably, the crushed powder dewatering mechanism comprises a balancing weight, an extrusion plate, an elastic filter screen and a return extrusion assembly, wherein the extrusion plate is fixed on a telescopic rod, the balancing weight is arranged at the bottom of the extrusion plate, the elastic filter screen is arranged between the tail part of the extrusion plate and the brads, the elastic filter screen is also arranged between the two sides of the extrusion plate and the roller framework, the return extrusion assembly is sleeved on the telescopic rod, the extrusion plate is close to the roller framework through the return extrusion assembly, so that the crushed powder on the brads is dewatered through the extrusion plate, the extrusion plate is hollow, air holes communicated with the hollow interior are formed in the side surface of the extrusion plate, facing the roller framework, and a negative pressure pump is connected to the hollow position of an inner hole of the extrusion plate; the collecting hopper is arranged below one side of the roller framework, the broken powder falling from the roller framework is collected through the collecting hopper, and the hollow part of the extrusion plate is connected with the heater and the heater is connected with the air pump through the pipeline. Based on above-mentioned recovery technology of automatic recovery unit of mince, the waste plastic is put into the cleaning tank after being smashed into the mince through the rubbing crusher in the first step, shower head and stirring leaf in the cleaning tank begin work simultaneously, realize washing to the mince through the swing of shower head, realize stirring to the mince through the stirring to the stirring leaf simultaneously, make the mince come up through the stirring leaf, so the mince is rinsed cleanly, there is not piling up and cause the cleaning failure at the same time the cleaning tank bottom, stir impurity like this simultaneously, impurity also moves along with water; the second step is collected the rolling sieve through the dross and is collected the garrulous end and collect and dewater, when the rolling sieve pivoted is collected to the dross, because the effect of balancing weight and gravity, the stripper plate can descend and laminate and be wasing the bottom of the pool, the rotation of collecting the rolling sieve through the dross simultaneously takes the time of wasing the garrulous end in the pool, when the stripper plate rotates the dross and collects the rolling sieve top, the stripper plate descends, the moisture content extrusion in with the garrulous end through extruded mode comes out like this, simultaneously in the extrusion, be provided with the negative pressure on the stripper plate and can suck away water, when going on simultaneously, blow off hot-blast drying to the garrulous end through the stripper plate, hot-blast when blowing outward simultaneously, can realize that the garrulous end drops from the stripper plate, realize garrulous terminal drying like this.
Compared with the prior art, the invention has the advantages that: 1. waste plastic bag powder in the cleaning pool is retrieved through the mode of automatic salvage, clears away the moisture content in the powder when retrieving, guarantees clean and the dehydration of powder like this, need not drying device like this and carries out the drying to the powder.
Drawings
FIG. 1 is a top view of the present invention.
Figure 2 is a schematic view of a dross collection bowl of the invention.
FIG. 3 is a schematic view of the dewatering mechanism of the present invention.
Fig. 4 is a schematic view of the first linkage assembly, the second linkage assembly, and the dross collecting roller screen of the invention.
The cleaning device comprises a cleaning pool 1, a cleaning liquid diversion mechanism 2, a cleaning liquid diversion mechanism 2.1, a fixing rod 2.2, a spray head 2.3, a stirring blade 2.4, a rotating shaft 2.5, a blade 2.6, a first linkage assembly 2.7, a second linkage assembly 3, a floating slag collecting rolling screen 3.1, a roller framework 3.2, a blocking net 3.3, a rake nail 3.4, a driving assembly 3.5, a telescopic rod 3.6, a powder dewatering mechanism 3.7, a balancing weight 3.8, an extrusion plate 3.9, an elastic filter screen 3.10, a return extrusion assembly 3.11, a negative pressure pump 3.12, a collecting hopper 3.13, a heater 3.14, an air pump 4 and a conveying assembly.
Detailed Description
The invention will now be further elucidated with reference to the drawing.
As shown in fig. 1-3, an automatic scrap recovery device comprises cleaning pools 1, a cleaning liquid diversion mechanism 2, a scum collecting rolling sieve 3 and a scrap dewatering mechanism 3.6, wherein each cleaning pool 1 is an annular cleaning pool 1, the cleaning pools 1 are a plurality of cleaning pools 1, the cleaning liquid diversion mechanism 2 is arranged in each cleaning pool 1 in a bearing fixing mode, water and spray are supplied to the cleaning pools 1 through the cleaning liquid diversion mechanism 2, so that waste plastics in the cleaning pools 1 are cleaned through the cleaning liquid diversion mechanism 2, namely the cleaning liquid sprayed out by the cleaning liquid diversion mechanism 2 washes the waste plastics, and meanwhile, the cleaning liquid diversion mechanism 2 can assist water in the cleaning pools 1 to flow to realize that the waste plastics are conveyed while being cleaned; a scum collecting rolling sieve 3 is arranged in each cleaning pool 1 in a fixed mode through a bearing and a bearing seat, the scum collecting rolling sieve 3 is in seamless connection with the cleaning pool 1, so that waste plastics mixed in water are prevented from passing through the scum collecting rolling sieve 3, the waste plastics passing through the scum collecting rolling sieve 3 are intercepted by the scum collecting rolling sieve 3, the intercepted waste plastics are separated from the cleaning pool 1 through the rotation of the scum collecting rolling sieve 3, the cleaned scruff in the cleaning pool 1 flows onto the scum collecting rolling sieve 3 through a cleaning liquid flow guide mechanism 2, a plurality of scruff dewatering mechanisms 3.6 are arranged on the scum collecting roller sieve 3, the scruff on the scum collecting roller sieve 3 is completely dewatered through the scruff dewatering mechanisms 3.6 (the scum collecting roller sieve 3 realizes the complete dewatering of the scruff in the cleaning pool through the rotation mode, the rotation of the scum collecting roller screen 3 can dewater the crumbs through centrifugal force, but the rotation of the scum collecting roller screen 3 is slow, so that the crumbs only rotate for one circle and the deep dewatering can not be realized, the further dewatering of the crumbs can be realized through the extrusion of the crumbs dewatering mechanism 3.6, the crumbs after the dewatering are thrown out of the scum collecting roller screen 3 through the centrifugal force generated by the rotation of the scum collecting roller screen 3, so that the washing and the recycling of the crumbs are completed, meanwhile, the crumbs dewatering mechanism 3.6 can stretch out and draw back on the scum collecting roller, so that the scum collecting roller screen 3 can conveniently salvage more crumbs (when the crumbs dewatering mechanism 3.6 is positioned below the scum collecting roller screen 3, the crumbs dewatering mechanism 3.6 extends downwards to contact with the bottom of the washing pool, so that the interception range can be expanded through the downward extension of the crumbs dewatering mechanism 3.6, if the interception range of the scum collecting roller screen 3 is directly expanded, the bottom of the cleaning pool 1 can not be contacted by the automatic downward extension of the scrap dewatering mechanisms 3.6, so that the applicability is wide, the conveying component 4 is arranged below one side of each scrap dewatering mechanism 3.6, the dewatered scrap is conveyed into the next cleaning pool 1 or a melting device through the conveying component 4, so that the cleaned waste plastic is quickly dewatered, the sewage in the waste plastic is prevented from being transferred into the next cleaning pool, the pollution of the next cleaning pool is formed, meanwhile, the scrap dewatering mechanisms 3.6 can extrude and dewater the cleaned waste plastic through self weight, so that the water content of the waste plastic is reduced, meanwhile, the scrap dewatering mechanisms 3.6 realize expansion and contraction in the rotation process of the scum collecting roller screen 3, so that the interception range can be expanded when the cleaning pool works, garrulous last dewatering mechanism 3.6 contacts with 1 bottom and side in washing pond like this, prevents like this that waste plastic from passing dross and collects cylinder sieve 3, avoids like this waste plastic to pass dross and collects cylinder sieve 3 and washs once more, guarantees the cleaning efficiency like this, can reform transform on original dross collection cylinder sieve 3 like this, reduces and reforms transform the cost.
The cleaning liquid guiding mechanism 2 comprises a fixed rod 2.1, a spray head 2.2 and a stirring blade 2.3, wherein a plurality of fixed rods 2.1 are fixed in the cleaning pool 1 through bearings, a plurality of fixed plates are arranged side by side, a plurality of spray heads 2.2 are fixed on each fixed plate through welding, a bearing is arranged between each fixed rod 2.1 and the inner wall of the cleaning pool 1, so that the fixed rods 2.1 can rotate relative to the cleaning pool 1, a first linkage component 2.6 is arranged between each fixed rod 2.1 and the scum collecting rolling sieve 3 (the first linkage component 2.6 comprises a linkage rod, a swinging rod, a telescopic rod, a spring and a cam, wherein one end of each fixed rod 2.1 extends out of the cleaning pool 1, each fixed rod 2.1 is connected with the swinging rod through hinging mode, the tops of the swinging rods are connected with the linkage rod through hinging mode, sleeves are sleeved at two ends of the linkage rod, the telescopic rod is arranged between the sleeves and the ground, the top of the telescopic rod is fixed on the sleeve in a welding mode, the bottom of the telescopic rod is fixed on the ground through a bolt, a spring is sleeved on the telescopic rod, a cam is fixed on a rotating shaft of the scum collecting rolling screen 3 in a welding mode, the cam is pressed on the linkage rod, the linkage rod is lifted through the rotation of the cam, the linkage rod is lifted up and down to swing the fixing rod, the swing of each fixing rod 2.1 is realized through a first linkage component 2.6, meanwhile, a plurality of stirring blades 2.3 which are arranged side by side are fixed in the cleaning pool 1 through bearings, the height of each stirring blade 2.3 is lower than that of each fixing rod 2.1, each stirring blade 2.3 comprises a rotating shaft 2.4 and a blade 2.5, wherein the rotating shaft 2.4 is fixed on the inside of the cleaning pool 1 through a bearing, a plurality of groups of spiral blades 2.5 are fixed on the rotating shaft 2.4 in a welding mode, and the bottoms of the spiral blades 2.5 are contacted with the bottom of the cleaning pool 1, a second linkage component 2.7 is arranged between each rotating shaft 2.4 and the scum collecting rolling sieve 3 (each rotating shaft 2.4 extends outwards to the outside of the cleaning pool 1, a gear is fixed on one side of the rotating shaft extending out of the cleaning pool 1 in a welding mode, a gear is fixed on the rotating shaft of the scum collecting rolling sieve 3 in a welding mode, and the gears of the stirring blades 2.3 and the gears of the scum collecting rolling sieve 3 are meshed and connected through chains), the rotating shaft 2.4 is rotated through the second linkage component 2.7, the rotating shaft 2.4 drives the blades 2.5 to rotate when rotating, so that the blades 2.5 assist the flow of water and turn the crumbs at the bottom of the cleaning pool 1, the swinging of the fixed rod 2.1 is synchronous with the rotation of the stirring blades 2.3 and the scum collecting rolling sieve 3, so as to ensure the synchronism of actions, the swinging of the spray header 2.2 is realized through the swinging of the fixed rod 2.1, so as to realize the uniform washing through the swinging, meanwhile, the change of the washing direction can also ensure the washing coverage area, the waste plastic in the washing tank 1 is turned over through the rotation of the stirring blade 2.3, so that the waste plastic is prevented from being deposited and accumulated, and the conveying and stirring of the waste plastic can be assisted to improve the washing efficiency if the stirring blade 2.3 rotates.
The scum collecting roller screen 3 comprises a roller framework 3.1, a blocking net 3.2, raking nails 3.3 and a driving assembly 3.4, wherein the roller framework 3.1 is fixed in the cleaning pool 1 through a bearing and a bearing seat, one side of the roller framework 3.1 is connected with the driving assembly 3.4 (the driving assembly 3.4 is a stepping motor, and the roller framework 3.1 is driven by the stepping motor to rotate), the roller framework 3.1 is driven by the driving assembly 3.4 to rotate, the periphery of the roller rotating framework is covered with the compact blocking net 3.2 in a welding manner, a plurality of rows of raking nails 3.3 are arranged on the periphery of the roller framework 3.1 in a welding manner, the rows of raking nails 3.3 are distributed on the roller framework 3.1 in an annular array manner, and the raking nails 3.3 rake plastic salvages the scum in the cleaning pool 1 through the raking nails 3.3; the fixed telescopic link 3.5 that is provided with to extend outward and the position of every telescopic link 3.5 that is provided with through the welded mode on roller skeleton 3.1 is corresponding with the position of braw nail 3.3, fixed garrulous end dewatering mechanism 3.6 that carries on stretching out and drawing back through the welded mode on telescopic link 3.5, garrulous end dewatering mechanism 3.6 realizes squeezing out the moisture in the garrulous end on the braw nail 3.3 simultaneously, when garrulous end dewatering mechanism 3.6 is located dross collection cylinder sieve 3 top, press at dross collection cylinder sieve 3 for garrulous end dewatering mechanism 3.6 promptly, like this through garrulous end dewatering mechanism 3.6's gravity according to pressing at dross collection cylinder sieve 3 realization gravity extrusion dehydration.
The waste powder dewatering mechanism 3.6 comprises a balancing weight 3.7, an extrusion plate 3.8, an elastic filter screen 3.9 and a return extrusion assembly 3.10, wherein the extrusion plate 3.8 is fixed on a telescopic rod 3.5 in a welding mode, the balancing weight 3.7 is fixed at the bottom of the extrusion plate 3.8 in a welding mode (when the extrusion plate 3.8 is positioned below the scum collecting roller screen 3, the balancing weight 3.7 pulls the extrusion plate 3.8 to descend, when the extrusion plate 3.8 is positioned above the scum collecting roller screen 3, the extrusion plate 3.8 is pressed downwards through the balancing weight 3.7, so that the extrusion and dewatering of waste plastics are realized through the extrusion plate 3.8), the elastic filter screen 3.9 is fixed between the tail part of the extrusion plate 3.8 and the rake nails 3.3 in a screw fastening mode, the waste plastics are collected through the elastic filter screen 3.9, the elastic filter screen 3.9 is also fixed between the two sides of the extrusion plate 3.8 and the roller framework 3.1 through screws (the elastic filter screen 3.9 is used for collecting plastics), a return extrusion component 3.10 is sleeved on the telescopic rod 3.5, the extrusion plate 3.8 is close to the roller framework 3.1 through the return extrusion component 3.10 (the return extrusion component 3.10 is that a spring is sleeved on the telescopic rod, the telescopic rod is pulled to retract through the spring, and the force is sufficient when the expansion extrusion dehydration is carried out), so that the dehydration of the powder on the rake nails 3.3 is realized through the extrusion plate 3.8, meanwhile, the extrusion plate 3.8 is hollow, air holes communicated with the hollow inside are formed in the side surface of the extrusion plate 3.8 facing the roller framework 3.1, a negative pressure pump 3.11 is connected to the hollow inside of the extrusion plate 3.8 through a pipeline, the hollow inside of the extrusion plate 3.8 is vacuumized through the negative pressure pump 3.11, and the extrusion plate 3.8 completely pumps water in the waste plastics through the air holes; the lower part of one side of the roller framework 3.1 is fixedly provided with a collecting hopper 3.12 in a bolt fastening mode, the tail part of the collecting hopper 3.12 is arranged at one end of a conveying assembly through a bolt, the conveying assembly is positioned above the other cleaning pool, the conveying assembly is a conveying belt, the collecting hopper 3.12 is used for collecting the powder falling from the roller framework 3.1, the hollow part of the extrusion plate 3.8 is connected with a heater 3.13 through a pipeline, the heater 3.13 is connected with an air pump 3.14, hot air is sprayed out from the air hole of the extrusion plate 3.8 through the air pump 3.14, and thus, scum is collected by a scum collecting rolling screen 3 and waste plastic on the extrusion plate 3.8 is cleaned in an air spraying mode.
Based on above-mentioned recovery technology of automatic recovery unit of mince, the waste plastic is put into the cleaning tank after being smashed into the mince through the rubbing crusher in the first step, shower head and stirring leaf in the cleaning tank begin work simultaneously, realize washing to the mince through the swing of shower head, realize stirring to the mince through the stirring to the stirring leaf simultaneously, make the mince come up through the stirring leaf, so the mince is rinsed cleanly, there is not piling up and cause the cleaning failure at the same time the cleaning tank bottom, stir impurity like this simultaneously, impurity also moves along with water; the second step is collected the rolling sieve through the dross and is collected the garrulous end and collect and dewater, when the rolling sieve pivoted is collected to the dross, because the effect of balancing weight and gravity, the stripper plate can descend and laminate and be wasing the bottom of the pool, the rotation of collecting the rolling sieve through the dross simultaneously takes the time of wasing the garrulous end in the pool, when the stripper plate rotates the dross and collects the rolling sieve top, the stripper plate descends, the moisture content extrusion in with the garrulous end through extruded mode comes out like this, simultaneously in the extrusion, be provided with the negative pressure on the stripper plate and can suck away water, when going on simultaneously, blow off hot-blast drying to the garrulous end through the stripper plate, hot-blast when blowing outward simultaneously, can realize that the garrulous end drops from the stripper plate, realize garrulous terminal drying like this.
Claims (4)
1. An automatic crushed powder recovery device comprises cleaning pools, a cleaning liquid guide mechanism, a floating slag collecting rolling sieve and a crushed powder dehydration mechanism, wherein each cleaning pool is an annular cleaning pool, and the cleaning pools are multiple and are sequentially arranged in parallel; a scum collecting rolling sieve is arranged in each cleaning pool, the scum collecting rolling sieve is in seamless connection with the cleaning pool, the cleaned scum in the cleaning pool flows onto the scum collecting rolling sieve through a cleaning liquid guide mechanism, a plurality of scum dewatering mechanisms are arranged on the scum roller sieve, the scum on the scum collecting roller sieve is completely dewatered through the scum dewatering mechanisms, meanwhile, the scum dewatering mechanisms can stretch out and draw back on the scum collecting roller, so that the bottom and the side surfaces of the scum dewatering mechanisms 3.6 are in contact with the bottom and the side surfaces of the cleaning pool 1, waste plastics are prevented from passing through the scum collecting roller sieve 3, more scum is conveniently fished by the scum collecting roller, a conveying assembly is arranged below one side of each scum dewatering mechanism, and the dewatered scum is conveyed into the next cleaning pool or a melting device through the conveying assembly; the scrap dewatering mechanism comprises a balancing weight, an extrusion plate, an elastic filter screen and a return extrusion assembly, wherein the extrusion plate is fixed on a telescopic rod, the balancing weight is arranged at the bottom of the extrusion plate, the elastic filter screen is arranged between the tail part of the extrusion plate and the brads, the elastic filter screen is also arranged between the two sides of the extrusion plate and the roller framework, the return extrusion assembly is sleeved on the telescopic rod, the extrusion plate is close to the roller framework through the return extrusion assembly, so that the scrap on the brads is dewatered through the extrusion plate, meanwhile, the extrusion plate is hollow, air holes mutually communicated with the inner hollow are formed in the side surface of the extrusion plate, facing the roller framework, and a negative pressure pump is connected at the hollow part of an inner hole of the extrusion plate; the collecting hopper is arranged below one side of the roller framework, the broken powder falling from the roller framework is collected through the collecting hopper, and the hollow part of the extrusion plate is connected with the heater and the heater is connected with the air pump through the pipeline.
2. The automatic powder recovery device of claim 1, wherein the cleaning solution guiding mechanism comprises a plurality of fixing rods, a plurality of spray heads and a stirring blade, wherein a plurality of fixing rods are disposed in the cleaning tank and a plurality of fixing plates are disposed side by side, a plurality of spray heads are fixed on each fixing plate, a bearing is disposed between each fixing rod and the inner wall of the cleaning tank, a first linkage assembly is disposed between each fixing rod and the scum collecting rolling sieve, the swinging of each fixing rod is realized by the first linkage assembly, a plurality of stirring blades are disposed in the cleaning tank side by side, the height of each stirring blade is lower than that of each fixing rod, each stirring blade comprises a rotating shaft and a blade, wherein the rotating shaft is fixed on the inner part of the cleaning tank through the bearing, a plurality of helical blades are fixed on the rotating shaft, the bottoms of the helical blades are in contact with the bottom surface of the cleaning tank, a second linkage assembly is disposed between each rotating shaft and the scum collecting rolling sieve, realize the pivot through the second linkage subassembly and rotate, the pivot drives the blade rotation when the pivoted, realizes the flow of blade auxiliary water like this and stirs the garrulous end of wasing the pond bottom.
3. The automatic recovery device of the powder scraps as claimed in claim 2, wherein the scum collecting roller comprises a roller framework, a blocking net, raking nails and a driving assembly, the roller framework is fixed in the cleaning tank through a bearing, the driving assembly is connected to one side of the roller framework, the roller framework is driven to rotate through the driving assembly, the blocking net covers the periphery of the roller framework, a plurality of rows of raking nails are arranged on the periphery of the roller framework and distributed on the roller framework in an annular array, and the powder scraps in the cleaning tank are fished up through the raking nails; the position that is provided with the telescopic link that extends outward and every way telescopic link on the roller skeleton is corresponding with the position of harrow nail, is provided with at every telescopic link and carries out flexible garrulous end dehydration mechanism, and garrulous end dehydration mechanism realizes going out the moisture extrusion in the garrulous end on the harrow nail simultaneously.
4. The recovery process of an automatic recovery device for crumbles as claimed in claim 1, wherein in the first step, waste plastics are crushed into crumbles by a crusher and then placed into a cleaning tank, a spray head and a stirring blade in the cleaning tank start to work, the crumbles are washed by swinging of the spray head, the crumbles are stirred by stirring the stirring blade, and the crumbles float upwards by the stirring blade, so that the crumbles are cleaned, meanwhile, the bottom of the cleaning tank is not piled up to cause failure in cleaning, and impurities are stirred so that the impurities move along with water; the second step is collected the rolling sieve through the dross and is collected the garrulous end and collect and dewater, when the rolling sieve pivoted is collected to the dross, because the effect of balancing weight and gravity, the stripper plate can descend and laminate and be wasing the bottom of the pool, the rotation of collecting the rolling sieve through the dross simultaneously takes the time of wasing the garrulous end in the pool, when the stripper plate rotates the dross and collects the rolling sieve top, the stripper plate descends, the moisture content extrusion in with the garrulous end through extruded mode comes out like this, simultaneously in the extrusion, be provided with the negative pressure on the stripper plate and can suck away water, when going on simultaneously, blow off hot-blast drying to the garrulous end through the stripper plate, hot-blast when blowing outward simultaneously, can realize that the garrulous end drops from the stripper plate, realize garrulous terminal drying like this.
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| CN113478692B (en) | 2023-03-31 |
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