CN113996437A - Harmless treatment system for papermaking waste residues - Google Patents
Harmless treatment system for papermaking waste residues Download PDFInfo
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- CN113996437A CN113996437A CN202111206399.5A CN202111206399A CN113996437A CN 113996437 A CN113996437 A CN 113996437A CN 202111206399 A CN202111206399 A CN 202111206399A CN 113996437 A CN113996437 A CN 113996437A
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- mixed liquid
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- 239000002699 waste material Substances 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 158
- 238000003756 stirring Methods 0.000 claims abstract description 51
- 239000012535 impurity Substances 0.000 claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000004033 plastic Substances 0.000 abstract description 71
- 229920003023 plastic Polymers 0.000 abstract description 71
- 239000002184 metal Substances 0.000 abstract description 43
- 239000000843 powder Substances 0.000 abstract description 41
- 239000011259 mixed solution Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 15
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000012216 screening Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 239000002893 slag Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000007885 magnetic separation Methods 0.000 description 3
- 239000010893 paper waste Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- 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
-
- 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
-
- 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
- B01D29/56—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 series connection
-
- 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
- B29B17/02—Separating plastics from other materials
-
- 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
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0268—Separation of metals
- B29B2017/0272—Magnetic separation
-
- 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
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention belongs to the technical field of harmless treatment of papermaking waste residues, and particularly relates to a harmless treatment system of papermaking waste residues; the device comprises a liquid storage system, a primary filtering system, a power system and an impurity separation system, wherein the liquid storage system comprises a barrel and a liquid discharge pipe, the primary filtering system comprises a liquid guide plate and a first filter screen, the impurity separation system comprises a rotating shaft, a stirring rod, an electromagnet, a connecting shaft and a collecting frame, and the power system comprises a hydraulic rod, a motor and a support; according to the invention, the large heavy plastics in the papermaking waste residue are separated through the first filter screen, then the mixed solution enters the cylinder body, and the metal powder in the mixed solution is collected through the electromagnet, so that the separation of the metal powder in the mixed solution is completed; then the light plastic floats on the liquid level, and the separation of the light plastic is completed through the collecting frame; thereby completing the harmless treatment of the paper-making waste residues.
Description
Technical Field
The invention belongs to the technical field of harmless treatment of papermaking waste residues, and particularly relates to a harmless treatment system of papermaking waste residues.
Background
According to statistics, more than 100 million tons of papermaking waste residues are generated when 600 million tons of paper are produced, particularly, the waste paper is used for papermaking, the waste slag generated by the method is more and more complex, contains more waste plastics, a small amount of waste metal and other various impurities, if the waste residue is directly discharged, the environment is polluted, the resources are wasted, and along with the increasing attention of people on the environmental protection, and the shortage of plant raw materials for paper making, the raw material source of the paper making industry is from the recycled waste paper in a great proportion, some of these waste papers are composite materials combining paper and plastics, which are very tightly combined and cannot be completely separated by a common separation process, therefore, the waste slag can only be used as pulp waste slag, and the traditional mode for treating the waste slag is incineration or burying, which not only pollutes the environment, but also wastes resources.
A technical scheme of a paper-making waste residue innocent treatment system also appears in the prior art, for example, a Chinese patent with the application number of CN2019101694455 discloses a device which comprises a frame body, a feeding cabin, a wind power vibration unit, a magnetic separation unit, a rolling screening unit, an eddy current screening unit and a controller; the wind power vibration unit comprises a fan, a first partition plate, a fixed plate and a vibration plate; the magnetic separation unit comprises a power barrel, a magnetic roller, a screening plate, a cleaning rod and a second collection cabin; the rolling screening unit comprises a stirring barrel, a power cabin, a rotating rod, a transmission rod and a stirring rod; the eddy current screening unit comprises a permanent magnet roller, a rotating ring, a fixing ring and a conveying belt; according to the invention, by the wind power vibration unit, the magnetic separation unit, the rolling screening unit and the eddy current screening unit, the extraction and utilization of available resources in waste residues can be realized, energy is saved, and the pollution of waste residue discharge to the environment is reduced; however, the above patent has a defect that most of the papermaking waste residue is discharged by adopting a pulp waste residue mode, and the separation condition of the mode is dry waste residue; even if the waste residue to be separated is dry waste residue, the metal powder, the light plastic and the bulk plastic of the waste residue are combined with the paper material fiber tightly, and part of impurities are wrapped and wound by the waste paper material, so that the impurities cannot be completely separated only by the method of the invention; so that the technical solution is limited.
In view of the above, the present invention provides a harmless treatment system for paper-making waste to solve the above technical problems.
Disclosure of Invention
In order to make up the defects of the prior art and solve the problem of separating metal impurities and plastic impurities in the papermaking waste, the invention provides a harmless treatment system for the papermaking waste.
The technical scheme adopted by the invention for solving the technical problems is as follows: a papermaking waste residue innocent treatment system comprises a liquid storage system, a primary filtering system, a power system and an impurity separation system; the liquid storage system comprises a barrel and a liquid discharge pipe, and the liquid discharge pipe is arranged at the bottom of the barrel; the primary filtering system comprises a liquid guide plate and a first filter screen; the liquid guide plate is obliquely arranged at the top of the cylinder through a bolt, and a first filter screen is arranged at one end, close to the cylinder, of the liquid guide plate; the impurity separation system comprises a rotating shaft, a stirring rod, an electromagnet, a connecting shaft and a collection frame; the rotating shaft extends into the barrel and is positioned at the axis of the barrel, a plurality of stirring rods are uniformly arranged on the rotating shaft, an electromagnet is arranged on each stirring rod, a connecting shaft is fixedly connected to the position, close to the top of the barrel, of the rotating shaft, and the other end of the connecting shaft is rotatably connected with a collecting frame; the connecting part of the collecting frame and the connecting shaft is close to the frame opening of the collecting frame, and one surface of the collecting frame, which is opposite to the frame opening, is formed by a second filter screen; the power system comprises a hydraulic rod, a motor and a bracket; the one end fixedly connected with motor that the pivot is close to the barrel top, the top fixedly connected with hydraulic stem of motor, hydraulic stem fixedly connected with support.
When the device works, the papermaking waste residues generated by papermaking and the mixed solution obtained by mixing the waste pulp and water are controlled to have high water content, and suspension liquid cannot be formed; the mixed solution contains large plastic blocks, light plastic, metal powder and paper; the mixed liquid flows downwards through the liquid guide plate and passes through the first filter screen, the first filter screen can filter massive heavy plastics, and other components pass through the first filter screen, so that the massive heavy plastics in the mixed liquid are removed; the treated mixed liquid flows into the cylinder, a motor and a hydraulic rod are connected above the rotating shaft, the motor is started along with the continuous inflow of the mixed liquid, the motor is controlled to rotate only in one direction, the rotating shaft is rotated, the rotating shaft drives the stirring rod to rotate, the mixed liquid is stirred by the stirring rod to separate the mixture of paper materials, metal powder and light plastic, the electromagnet is arranged on the stirring rod, the electromagnet is electrified in the stirring process, the stirring rod can adsorb the metal powder in the mixed liquid, the light plastic floats above the mixed liquid along with the continuous injection of the mixed liquid and the continuous rotation of the rotating shaft, when the collecting frame is gradually submerged, the mixed liquid can be subjected to the resistance of the mixed liquid, the connecting shaft is rotatably connected with the collecting frame, and the connecting part of the collecting frame and the connecting shaft is close to the frame opening of the collecting frame, the resistance of the part of the collecting frame below the rotating shaft is greater than the resistance of the part of the collecting frame above the rotating shaft, and under the condition, the frame opening of the collecting frame faces to the rotating direction of the collecting frame around the rotating shaft and gradually begins to sink into the liquid level; observing the liquid level of the mixed liquid, and stopping injecting the mixed liquid when the liquid level reaches about half of the frame opening of the collecting frame; if the liquid level is not about half the height of the frame opening after the injection of the mixed liquid is stopped, the liquid level can reach about half the height of the frame opening of the collecting frame by finely adjusting the hydraulic rod; after the injection of the mixed liquid is stopped, the motor is controlled to continuously rotate for a period of time and then stop, the motor is kept standing for a period of time, after the light plastic completely floats out of the water surface, the motor is continuously started, and the motor is controlled to operate at low speed, under the condition, the mixed liquid can flow through the inside of the collecting frame by the collecting frame, and the side, opposite to the frame opening, of the collecting frame is composed of a second filter screen which can allow the liquid to pass through but the light plastic cannot pass through, so that the liquid can pass through the inside of the collecting frame, and the light plastic and a small amount of paper stock are remained in the inside of the collecting frame, and the collected light plastic cannot avoid containing a small amount of paper stock, but cannot greatly influence the separation of integral impurities; after collection is finished, the hydraulic rod contracts, the rotating shaft is drawn out of the barrel, the collecting frame is not symmetrical about the connecting shaft due to the fact that the connecting portion of the collecting frame and the connecting shaft is close to the frame opening of the collecting frame, the collecting frame can rotate around the connecting shaft under the action of gravity, the frame opening faces upwards, light plastics are prevented from overflowing from the collecting frame in the process of drawing the rotating shaft out, and when the rotating shaft is completely drawn out of the barrel, the electromagnet is powered off, and impurities brought out are cleaned; the residual materials in the cylinder are paper materials, so that the device can separate and recycle the paper materials, metal powder and plastics.
Preferably, a through groove is formed in the stirring rod.
When the stirring rod works, the through grooves are formed in the stirring rod, the stirring rod is divided into two support arms due to the through grooves, and compared with a single stirring rod, the stirring effect of the stirring rod is enhanced, so that the mixture of paper materials, metal powder and light plastics is fully separated; compared with the stirring rod without the through grooves, the impact force of the mixed liquid on the stirring rod is reduced, the influence of the impact force on the electromagnet to adsorb the metal powder is reduced, and the service life of the stirring rod is prolonged;
preferably, a groove is formed in the horizontal inner surface of the through groove, and the electromagnet is fixedly installed in the groove.
During operation, the horizontal internal surface that leads to the groove is provided with the recess, and electro-magnet fixed mounting is in the recess, and this setting makes mixed liquid when through leading to the groove, and the electro-magnet can adsorb the metal powder that flows through the groove, sets up the electro-magnet and installs in the recess, has avoided the electro-magnet directly to receive the impact of mixed liquid, has reduced the condition that adsorbed metal powder on the electro-magnet is mixed the liquid and is dashed and fall, has increased metal powder's clearance.
Preferably, the lower surface of the stirring rod, which is closest to the bottom of the cylinder, on the rotating shaft is provided with an electromagnet.
The during operation, because the electro-magnet on the puddler is all installed in the recess, metal powder need pass logical groove could be in the recess the electro-magnet adsorb, and when the inside metal powder of recess piles up too much, can lead to metal powder to drop under the impact of mixed liquid inevitable, because metal powder's density is higher than the density of paper stock, so the metal powder who drops falls barrel bottom afterwards, so the bottom that is closest to the puddler of barrel bottom in the pivot is equipped with the electro-magnet, this sets up and can adsorb the metal powder who falls into the barrel bottom, the content of metal powder in the mixed liquid has been reduced.
Preferably, the density of a lateral wall a that the collection frame is parallel with the connecting axle is less than the density of water and the waste residue mixed liquor of making paper, the density of another lateral wall b that the collection frame is parallel with the connecting axle is greater than the density of water and the waste residue mixed liquor of making paper, just when the collection frame revolves the axis of rotation, the a lateral wall is last, and the b lateral wall is under.
When the collecting frame works, when the collecting frame rotates around the rotating shaft, because the rotating direction of the motor can only rotate towards one direction, the frame opening faces to the rotating direction of the collecting frame in the rotating process of the collecting frame, under the moving state, the density of one side wall a arranged at the upper part is lower than that of the mixed liquid of water and the papermaking waste residue, and the density of one side wall b arranged at the lower part is higher than that of the mixed liquid of water and the papermaking waste residue; when the mixed liquid slowly submerges the collecting frame, the side wall a can float out of the water surface under the action of buoyancy, and compared with the arrangement without the side wall a, the arrangement enables the collecting frame to be more inclined, so that the frame opening is more easily towards the rotating direction of the collecting frame, and light plastics can be conveniently collected; the position of the connecting shaft on the rotating shaft is fixed, the density of the side wall b is higher than that of the mixed liquid, and the liquid level height is controlled to only reach the central part of the frame opening, so that the collecting frame cannot completely float out of the liquid level, and light plastics are convenient to collect.
Preferably, the frame mouth of collecting the frame is provided with first baffle and second baffle, just when collecting the frame and revolute the rotation of axes in the mixed liquid of papermaking waste residue and water, first baffle is located frame mouth below edge and the directional barrel bottom of slope, the second baffle is located frame mouth top edge and the directional inside of collecting the frame of slope.
When the collecting frame rotates around the rotating shaft in the mixed liquid, the frame opening faces the rotating direction of the collecting frame, the first baffle is arranged at the edge below the frame opening and obliquely points to the bottom of the barrel body in the moving state, the first baffle can be inserted into the mixed liquid when the frame opening faces the rotating direction of the collecting frame, and the first baffle plays a role in drainage along with the rotation of the collecting frame, so that the mixed liquid can easily flow through the inside of the collecting frame, the collection of light plastics is facilitated, and even if the liquid level does not reach the middle position of the collecting frame in the rotating process of the collecting frame, the first baffle can also be inserted into the mixed liquid, so that the mixed liquid can easily flow through the collecting frame; set up the second baffle and be located frame mouth top edge and the inside of the directional collection frame of slope, this setting can not receive the influence of second baffle when light plastics gets into to collect the frame inside, and when light plastics came out from collecting the frame inside, can receive blockking of second baffle, makes light plastics easily advance difficult the play, has reduced and has collected the action and has accomplished the back, collects the inside light plastics condition that flows out again of frame.
The invention has the following beneficial effects:
1. according to the harmless treatment system for the papermaking waste residues, large heavy plastics in the papermaking waste residues are separated through the first filter screen, then the mixed liquid enters the cylinder body, and metal powder in the mixed liquid is collected through the electromagnet, so that the separation of the metal powder in the mixed liquid is completed; then the light plastic floats on the liquid level, and the separation of the light plastic is completed through the collecting frame; thereby completing the harmless treatment of the paper-making waste residues.
2. According to the harmless treatment system for the papermaking waste residues, the first baffle is arranged at the edge below the frame opening and obliquely points to the bottom of the cylinder body, when the frame opening faces the rotating direction of the collecting frame, the first baffle can be inserted into the mixed liquid, the first baffle plays a role in drainage along with the rotation of the collecting frame, the mixed liquid can easily flow through the inside of the collecting frame, and light plastics can be collected conveniently.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a cross-sectional view of the present invention when not in operation;
FIG. 2 is a cross-sectional view of the present invention in operation;
FIG. 3 is a cross-sectional view taken in the direction B-B of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
fig. 5 is a partial enlarged view at C of fig. 3;
FIG. 6 is an enlarged view of a portion of FIG. 3 at D;
in the figure: the device comprises a liquid storage system 1, a primary filtering system 2, an impurity separation system 3, a power system 4, a barrel 11, a liquid discharge pipe 12, a liquid guide plate 21, a first filter screen 22, a rotating shaft 31, a stirring rod 32, an electromagnet 33, a connecting shaft 34, a collecting frame 35, a hydraulic rod 41, a motor 42, a support 43, a through groove 321, a groove 322, a frame opening 351, a second filter screen 352, a first baffle 353 and a second baffle 354.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the harmless treatment system for paper-making waste residue according to the present invention comprises a liquid storage system 1, a primary filtration system 2, an impurity separation system 3 and a power system 4; the liquid storage system 1 comprises a cylinder body 11 and a liquid discharge pipe 12, wherein the liquid discharge pipe 12 is arranged at the bottom of the cylinder body 11; the primary filtering system 2 comprises a liquid guide plate 21 and a first filter screen 22; the liquid guide plate 21 is obliquely arranged at the top of the cylinder 11 through a bolt, and a first filter screen 22 is arranged at one end, close to the cylinder 11, of the liquid guide plate 21; the impurity separation system 3 comprises a rotating shaft 31, a stirring rod 32, an electromagnet 33, a connecting shaft 34 and a collection frame 35; the rotating shaft 31 extends into the barrel 11 and is positioned at the axis of the barrel 11, a plurality of stirring rods 32 are uniformly arranged on the rotating shaft 31, an electromagnet 33 is arranged on each stirring rod 32, a connecting shaft 34 is fixedly connected to the position, close to the top of the barrel 11, of the rotating shaft 31, and the other end of the connecting shaft 34 is rotatably connected with a collecting frame 35; the connecting part of the collecting frame 35 and the connecting shaft 34 is close to the frame opening 351 of the collecting frame 35, and one surface of the collecting frame 35 opposite to the frame opening 351 is formed by a second filter screen 352; the power system 4 comprises a hydraulic rod 41, a motor 42 and a bracket 43; one end of the rotating shaft 31 close to the top of the cylinder 11 is fixedly connected with a motor 42, the top end of the motor 42 is fixedly connected with a hydraulic rod 41, and the hydraulic rod 41 is fixedly connected with a bracket 43.
When the device works, the papermaking waste residues generated by papermaking and the mixed solution obtained by mixing the waste pulp and water are controlled to have high water content, and suspension liquid cannot be formed; the mixed solution contains large plastic blocks, light plastic, metal powder and paper; the mixed liquid flows downwards through the liquid guide plate 21 and passes through the first filter screen 22, the first filter screen 22 can filter massive heavy plastics, and other components pass through the first filter screen 22, so that the massive heavy plastics in the mixed liquid are removed; the treated mixed liquid flows into the cylinder 11, a motor 42 and a hydraulic rod 41 are connected above the rotating shaft 31, the motor 42 is started along with the continuous inflow of the mixed liquid, the motor 42 is a variable frequency motor, the motor 42 is controlled to rotate only in one direction, the rotating shaft 31 rotates, the rotating shaft 31 drives the stirring rod 32 to rotate, the mixed liquid is stirred by the stirring rod 32 to separate the mixture of paper materials, metal powder and light plastic, the electromagnet 33 is arranged on the stirring rod 32, the electromagnet 33 is electrified in the stirring process, the stirring rod 32 can adsorb the metal powder in the mixed liquid, the density of the light plastic is smaller than that of the paper materials, the light plastic floats above the mixed liquid, the mixed liquid is continuously injected, the rotating shaft 31 continuously rotates, when the mixed liquid gradually collects the frame 35, the collecting frame 35 is subjected to the resistance of the mixed liquid, because the connecting shaft 34 is rotatably connected with the collecting frame 35, and the connecting part of the collecting frame 35 and the connecting shaft 34 is close to the frame opening 351 of the collecting frame 35, the resistance received by the part of the collecting frame 35 below the rotating shaft 31 is larger than the resistance received by the part of the collecting frame 35 above the rotating shaft 31, in this case, the frame opening 351 of the collecting frame 35 faces the rotating direction of the collecting frame 35 around the rotating shaft 31 and gradually begins to sink into the liquid level; at this time, the liquid level of the mixed liquid is observed, and when the liquid level reaches about half of the frame opening 351 of the collecting frame 35, the injection of the mixed liquid is stopped; if the liquid level is not about half of the height of the frame opening 351 after the injection of the mixed liquid is stopped, the liquid level can reach about half of the height of the frame opening 351 of the collecting frame 35 by finely adjusting the hydraulic rod 41; after the mixed liquid is stopped being injected, the motor 42 is controlled to rotate continuously for a period of time and then is stopped, the mixed liquid is kept standing for a period of time, after the light plastic completely floats out of the water surface, the motor 42 is continuously started, and the motor 42 is controlled to operate at a low speed, under the condition, the collection frame 35 can enable the mixed liquid to flow through the interior of the collection frame 35, as one surface of the collection frame 35, which is opposite to the frame opening 351, is formed by the second filter screen 352, the second filter screen 352 can enable the liquid to pass through, and the light plastic cannot pass through, the liquid can pass through the interior of the collection frame 35, and the light plastic and a small amount of paper materials are left in the interior of the collection frame 35, the collected light plastic cannot avoid containing a small amount of paper materials, but cannot greatly influence the separation of integral impurities; after collection is completed, the hydraulic rod 41 is contracted, the rotating shaft 31 is drawn out from the barrel 11, the collection frame 35 can rotate around the connecting shaft 34 and the frame opening 351 is upward due to the fact that the connecting part of the collection frame 35 and the connecting shaft 34 is close to the frame opening 351 of the collection frame 35, the collection frame 35 is not symmetrical about the connecting shaft 34, and under the action of gravity, the collection frame 35 can rotate around the connecting shaft 34, so that light plastics are prevented from overflowing from the collection frame 35 in the process of drawing out the rotating shaft 31, when the rotating shaft 31 is completely drawn out from the barrel 11, the electromagnet 33 is powered off, and the carried-out impurities are cleaned; the residual materials in the cylinder body 11 are paper materials, so that the device can separate metal powder and plastic in the paper materials, and the residual paper materials are harmless.
In an embodiment of the present invention, the stirring rod 32 is provided with a through slot 321.
When the stirring rod 32 works, the through groove 321 is formed in the stirring rod 32, the stirring rod 32 is divided into two support arms due to the existence of the through groove 321, and compared with a single stirring rod 32, the stirring effect of the stirring rod 32 is enhanced, so that a mixture of paper materials, metal powder and light plastics is fully separated; compared with the case without the through groove 321, the impact force of the mixed liquid on the stirring rod 32 is reduced, the influence of the impact force on the electromagnet 33 to adsorb the metal powder is reduced, and the service life of the stirring rod 32 is prolonged;
as a specific embodiment of the present invention, a groove 322 is disposed on a horizontal inner surface of the through groove 321, and the electromagnet 33 is fixedly installed in the groove 322.
During operation, the horizontal internal surface of logical groove 321 is provided with recess 322, and electro-magnet 33 fixed mounting is in recess 322, and this setting makes mixed liquid when passing through logical groove 321, and electro-magnet 33 can adsorb the metal powder that flows through logical groove 321, sets up electro-magnet 33 and installs in recess 322, has avoided electro-magnet 33 directly to receive the impact of mixed liquid, has reduced the circumstances that adsorbed metal powder was washed down by mixed liquid on the electro-magnet 33, has increased metal powder's clearance.
In an embodiment of the present invention, an electromagnet 33 is disposed on the lower surface of the stirring rod 32 on the rotating shaft 31 closest to the bottom of the cylinder 11.
During operation, because the electro-magnet 33 on the puddler 32 all installs in recess 322, metal powder need pass through groove 321 and just can adsorb at the electro-magnet 33 in recess 322, and when the inside metal powder of recess 322 piles up too much, inevitably can lead to metal powder to drop under the impact of mixed liquid, because metal powder's density is higher than the density of paper stock, so the metal powder who drops falls barrel 11 bottom afterwards, so the bottom of the puddler 32 that is closest to barrel 11 bottom in the pivot 31 is equipped with electro-magnet 33, this setting can adsorb the metal powder who falls into barrel 11 bottom, the content of metal powder in the mixed liquid has been reduced.
In one embodiment of the present invention, one side wall a of the collecting frame 35 parallel to the connecting shaft 34 has a lower density than the mixed liquid of water and paper mill residue, the other side wall b of the collecting frame 35 parallel to the connecting shaft 34 has a higher density than the mixed liquid of water and paper mill residue, and the side wall a is above and the side wall b is below when the collecting frame 35 rotates around the rotating shaft 31.
In operation, when the collecting frame 35 rotates around the rotating shaft 31, since the rotating direction of the motor 42 can only rotate in one direction, the frame opening 351 faces the rotating direction of the collecting frame 35 in the rotating process of the collecting frame 35, in the moving state, the density of one side wall a arranged at the upper part is lower than that of the mixed liquid of water and papermaking waste residues, and the density of one side wall b arranged at the lower part is higher than that of the mixed liquid of water and papermaking waste residues; when the mixed liquid slowly submerges the collecting frame 35, the side wall a can float out of the water surface under the action of buoyancy, and compared with the arrangement without the side wall a, the arrangement enables the collecting frame 35 to be more easily inclined, so that the frame opening 351 can be more easily towards the rotating direction of the collecting frame 35, and light plastics can be conveniently collected; the position of the connecting shaft 34 on the rotating shaft 31 is fixed, the density of the side wall b is higher than that of the mixed liquid, and the liquid level is controlled to only reach the central part of the frame opening 351, so that the collecting frame 35 cannot completely float out of the liquid level, and light plastics can be conveniently collected.
In an embodiment of the present invention, the frame opening 351 of the collecting frame 35 is provided with a first baffle 353 and a second baffle 354, and when the collecting frame 35 rotates around the rotating shaft 31 in the mixed liquid of the paper making waste and the water, the first baffle 353 is positioned at the lower edge of the frame opening 351 and is obliquely directed to the bottom of the cylinder 11, and the second baffle 354 is positioned at the upper edge of the frame opening 351 and is obliquely directed to the inside of the collecting frame 35.
During operation, when the collecting frame 35 rotates around the rotating shaft 31 in the mixed liquid, the frame opening 351 faces the rotating direction of the collecting frame 35, in the moving state, the first baffle 353 is arranged at the edge below the frame opening 351 and obliquely points to the bottom of the barrel 11, the arrangement enables the first baffle 353 to be inserted into the mixed liquid when the frame opening 351 faces the rotating direction of the collecting frame 35, and along with the rotation of the collecting frame 35, the first baffle 353 plays a drainage role, so that the mixed liquid can easily flow through the inside of the collecting frame 35, and light plastics can be collected conveniently, even if the liquid level does not reach the middle position of the collecting frame 35 in the rotating process of the collecting frame 35, the first baffle 353 can also be inserted into the mixed liquid, so that the mixed liquid can easily flow through the collecting frame 35; set up second baffle 354 and be located frame mouth 351 top edge and the inside of the directional collection frame 35 of slope, this setting is when light plastics gets into collection frame 35 inside, can not receive the influence of second baffle 354, and when light plastics came out from collection frame 35 inside, can receive blockking of second baffle 354, makes light plastics easily advance difficult the play, has reduced and has collected the condition that the action was accomplished, collects the light plastics of frame 35 inside and flow out again.
The specific working process is as follows:
the method comprises the following steps of (1) controlling the content of water in a mixed solution to be high and not forming a suspension liquid; the mixed solution contains large plastic blocks, light plastic, metal powder and paper; the mixed liquid flows downwards through the liquid guide plate 21 and passes through the first filter screen 22, the first filter screen 22 can filter massive heavy plastics, and other components pass through the first filter screen 22, so that the massive heavy plastics in the mixed liquid are removed; the treated mixed liquid flows into the cylinder 11, a motor 42 and a hydraulic rod 41 are connected above the rotating shaft 31, the motor 42 is started along with the continuous inflow of the mixed liquid, the motor 42 is a variable frequency motor, the motor 42 is controlled to rotate only in one direction, the rotating shaft 31 rotates, the rotating shaft 31 drives the stirring rod 32 to rotate, the mixed liquid is stirred by the stirring rod 32 to separate the mixture of paper materials, metal powder and light plastic, the electromagnet 33 is arranged on the stirring rod 32, the electromagnet 33 is electrified in the stirring process, the stirring rod 32 can adsorb the metal powder in the mixed liquid, the density of the light plastic is smaller than that of the paper materials, the light plastic floats above the mixed liquid, the mixed liquid is continuously injected, the rotating shaft 31 continuously rotates, when the mixed liquid gradually collects the frame 35, the collecting frame 35 is subjected to the resistance of the mixed liquid, because the connecting shaft 34 is rotatably connected with the collecting frame 35, and the connecting part of the collecting frame 35 and the connecting shaft 34 is close to the frame opening 351 of the collecting frame 35, the resistance received by the part of the collecting frame 35 below the rotating shaft 31 is larger than the resistance received by the part of the collecting frame 35 above the rotating shaft 31, in this case, the frame opening 351 of the collecting frame 35 faces the rotating direction of the collecting frame 35 around the rotating shaft 31 and gradually begins to sink into the liquid level; at this time, the liquid level of the mixed liquid is observed, and when the liquid level reaches about half of the frame opening 351 of the collecting frame 35, the injection of the mixed liquid is stopped; if the liquid level is not about half of the height of the frame opening 351 after the injection of the mixed liquid is stopped, the liquid level can reach about half of the height of the frame opening 351 of the collecting frame 35 by finely adjusting the hydraulic rod 41; after the mixed liquid is stopped being injected, the motor 42 is controlled to rotate continuously for a period of time and then is stopped, the mixed liquid is kept standing for a period of time, after the light plastic completely floats out of the water surface, the motor 42 is continuously started, and the motor 42 is controlled to operate at a low speed, under the condition, the collection frame 35 can enable the mixed liquid to flow through the interior of the collection frame 35, as one surface of the collection frame 35, which is opposite to the frame opening 351, is formed by the second filter screen 352, the second filter screen 352 can enable the liquid to pass through, and the light plastic cannot pass through, the liquid can pass through the interior of the collection frame 35, and the light plastic and a small amount of paper materials are left in the interior of the collection frame 35, the collected light plastic cannot avoid containing a small amount of paper materials, but cannot greatly influence the separation of integral impurities; after collection is completed, the hydraulic rod 41 is contracted, the rotating shaft 31 is drawn out from the barrel 11, the collection frame 35 can rotate around the connecting shaft 34 and the frame opening 351 is upward due to the fact that the connecting part of the collection frame 35 and the connecting shaft 34 is close to the frame opening 351 of the collection frame 35, the collection frame 35 is not symmetrical about the connecting shaft 34, and under the action of gravity, the collection frame 35 can rotate around the connecting shaft 34, so that light plastics are prevented from overflowing from the collection frame 35 in the process of drawing out the rotating shaft 31, when the rotating shaft 31 is completely drawn out from the barrel 11, the electromagnet 33 is powered off, and the carried-out impurities are cleaned; the residual materials in the cylinder body 11 are paper materials, so that the device can separate metal powder and plastic in the paper materials, and the residual paper materials are harmless; in addition, when the collecting frame 35 rotates around the rotating shaft 31 in the mixed liquid, the frame opening 351 faces the rotating direction of the collecting frame 35, in the moving state, the first baffle 353 is arranged at the edge below the frame opening 351 and obliquely points to the bottom of the barrel 11, the arrangement enables the first baffle 353 to be inserted into the mixed liquid when the frame opening 351 faces the rotating direction of the collecting frame 35, and along with the rotation of the collecting frame 35, the first baffle 353 plays a role in drainage, so that the mixed liquid can easily flow through the inside of the collecting frame 35, and the collection of light plastics is convenient, even if the liquid level does not reach the middle position of the collecting frame 35 in the rotating process of the collecting frame 35, the first baffle 353 can also be inserted into the mixed liquid, so that the mixed liquid can easily flow through the collecting frame 35; set up second baffle 354 and be located frame mouth 351 top edge and the inside of the directional collection frame 35 of slope, this setting is when light plastics gets into collection frame 35 inside, can not receive the influence of second baffle 354, and when light plastics came out from collection frame 35 inside, can receive blockking of second baffle 354, makes light plastics easily advance difficult the play, has reduced and has collected the condition that the action was accomplished, collects the light plastics of frame 35 inside and flow out again.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a papermaking waste residue innocent treatment system which characterized in that: comprises a liquid storage system (1), a primary filtering system (2), an impurity separation system (3) and a power system (4); the liquid storage system (1) comprises a cylinder body (11) and a liquid discharge pipe (12), wherein the liquid discharge pipe (12) is arranged at the bottom of the cylinder body (11); the primary filtering system (2) comprises a liquid guide plate (21) and a first filter screen (22); the liquid guide plate (21) is obliquely arranged at the top of the cylinder body (11) through a bolt, and a first filter screen (22) is arranged at one end, close to the cylinder body (11), of the liquid guide plate (21); the impurity separation system (3) comprises a rotating shaft (31), a stirring rod (32), an electromagnet (33), a connecting shaft (34) and a collection frame (35); the rotating shaft (31) extends into the barrel body (11) and is positioned at the axis position of the barrel body (11), a plurality of stirring rods (32) are uniformly arranged on the rotating shaft (31), an electromagnet (33) is arranged on each stirring rod (32), a connecting shaft (34) is fixedly connected to the position, close to the top of the barrel body (11), of the rotating shaft (31), and the other end of the connecting shaft (34) is rotatably connected with a collecting frame (35); the connecting part of the collecting frame (35) and the connecting shaft (34) is close to a frame opening (351) of the collecting frame (35), and one surface of the collecting frame (35) opposite to the frame opening (351) is formed by a second filter screen (352); the power system (4) comprises a hydraulic rod (41), a motor (42) and a bracket (43); the rotary drum is characterized in that one end, close to the top of the drum body (11), of the rotary shaft (31) is fixedly connected with a motor (42), the top end of the motor (42) is fixedly connected with a hydraulic rod (41), and the hydraulic rod (41) is fixedly connected with a support (43).
2. The papermaking waste harmless treatment system according to claim 1, wherein: a through groove (321) is formed in the stirring rod (32).
3. The papermaking waste harmless treatment system according to claim 2, wherein: a groove (322) is formed in the horizontal inner surface of the through groove (321), and the electromagnet (33) is fixedly installed in the groove (322).
4. The papermaking waste harmless treatment system according to claim 3, wherein: and an electromagnet (33) is arranged on the lower surface of the stirring rod (32) which is closest to the bottom of the cylinder body (11) on the rotating shaft (31).
5. The papermaking waste harmless treatment system according to claim 4, wherein: the density of collecting frame (35) and the parallel lateral wall an of connecting axle (34) is less than the density of water and the waste residue mixed liquid of making paper, the density of collecting frame (35) and the parallel another lateral wall b of connecting axle (34) is greater than the density of water and the waste residue mixed liquid of making paper, just when collecting frame (35) and revolving shaft (31) and rotating, the a lateral wall is last, and the b lateral wall is under.
6. The papermaking waste harmless treatment system according to claim 5, wherein: the frame mouth (351) of the collection frame (35) is provided with a first baffle (353) and a second baffle (354), when the collection frame (35) rotates around the rotating shaft (31) in the mixed liquid of the papermaking waste residue and the water, the first baffle (353) is located at the edge below the frame mouth (351) and points to the bottom of the cylinder body (11) in an inclined mode, and the second baffle (354) is located at the edge above the frame mouth (351) and points to the inside of the collection frame (35) in an inclined mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206399.5A CN113996437A (en) | 2021-10-16 | 2021-10-16 | Harmless treatment system for papermaking waste residues |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206399.5A CN113996437A (en) | 2021-10-16 | 2021-10-16 | Harmless treatment system for papermaking waste residues |
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| CN113996437A true CN113996437A (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117623462A (en) * | 2024-01-27 | 2024-03-01 | 乾坤环保股份有限公司 | Electrochemical degradation device for wastewater pollution |
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2021
- 2021-10-16 CN CN202111206399.5A patent/CN113996437A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117623462A (en) * | 2024-01-27 | 2024-03-01 | 乾坤环保股份有限公司 | Electrochemical degradation device for wastewater pollution |
| CN117623462B (en) * | 2024-01-27 | 2024-04-02 | 乾坤环保股份有限公司 | Electrochemical degradation device for wastewater pollution |
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