CN104358177B - Fiber fines recycle and reuse device in production waste water - Google Patents
Fiber fines recycle and reuse device in production waste water Download PDFInfo
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- CN104358177B CN104358177B CN201410600358.8A CN201410600358A CN104358177B CN 104358177 B CN104358177 B CN 104358177B CN 201410600358 A CN201410600358 A CN 201410600358A CN 104358177 B CN104358177 B CN 104358177B
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- fiber
- baler
- recovery pond
- fiber recovery
- waste water
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
- D21F1/82—Pulp catching, de-watering, or recovering; Re-use of pulp-water adding fibre agglomeration compositions
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
- D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
Abstract
The present invention relates to fiber fines recycle and reuse device in a kind of production waste water, it includes: fiber recovery pond; Baler, it is arranged at the upper end in fiber recovery pond, described baler by Electric Machine Control its around axial-rotation, be provided with at least one in baler along its axially extended open end, in baler rotary course, on the sidewall of its open end and the waste water in fiber recovery pond, liquid level intersects each other; At least one rotating mechanism is provided with between described baler and fiber recovery pond; The end correspondence position of described baler is provided with fiber recovery pipeline and water purification pipeline; Adopt fiber fines recycle and reuse device in the production waste water of technique scheme, it can carry out recovery reprocessing to the waste water produced in pulp production, both fiber fines and water purification can have been dropped into again the production of paper pulp, discharge of wastewater pollution on the environment can be avoided again, thus achieve cleaner production cost-effective simultaneously.
Description
Technical field
The present invention relates to the sewage disposal in a kind of industrial production, and the retracting device of material in sewage, fiber fines recycle and reuse device in especially a kind of production waste water.
Background technology
Normal page structure be balanced by the different long fiber of length and fiber fines exist, uniform interleaving forms.Long fiber forms the network skeleton of page, and loose skeleton structure, then in the hole of the network skeleton of long fiber formation, is carried out homogenize and strengthening by filling with adhesive action by fiber fines.So when lacking fiber fines, all degree and the intensity of page all can receive suitable impact.And in the production process of page, namely the paper pulp for papermaking be made up of long fiber and fiber fines usually, wherein, the swollen degree of fiber fines is larger, and its unit over dry material takes the water yield takes water yield twice close to long fiber; Meanwhile, the space of fiber fines in paper web dehydration between all right fiberfill fibers, increases the humidity of paper web, and can improve the bond strength between fiber under given dehydration conditions.In sum, the fiber fines in paper pulp is the important component part of raw material of papermaking fiber, which determines paper pulp, and the product quality of its forming paper page.
In the process of producing cardboard, because cardboard is formed by stacking each other by multilayer paper pulp, so paper pulp raw materials required for it etc. are all far more than page; In production, due to the design feature of fiber fines, it is often discharged with the industrial water for the production of paper pulp, it not only result in the content of fiber fines in paper pulp and is affected, also the Quality of Board of pulp production can be directly caused to be declined, in addition, the industrial water containing fiber fines also exists suitable pollution may.Prior art carries out the method processed for the factory effluent containing fiber fines, often rely on precipitation or filter and directly process, on the one hand because fiber fines is easy to bonding, said method is adopted often on treatment effect, to there is larger defect, on the other hand, above-mentioned filter method is often difficult to recycle the fiber of each position in waste water, because waste water is kept in motion, and its internal fiber skewness, often dead angle is there is in it when filtering, usually manpower intervention is needed to solve, organic efficiency is declined, also can cause the rising of human cost simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of retracting device for fiber fines in production process, and it can in production process, pulp production and the waste water produced carries out Separation of Solid and Liquid process, and fiber fines is wherein recycled.
For solving the problems of the technologies described above, the present invention relates to fiber fines recycle and reuse device in a kind of production waste water, it includes: fiber recovery pond, and for the waste water that splendid attire production produces, it is communicated with air compressor for generation of bubble and force (forcing) pump; Baler, it is arranged at the upper end in fiber recovery pond, described baler by Electric Machine Control its around axial-rotation, be provided with at least one in baler along its axially extended open end, in baler rotary course, on the sidewall of its open end and the waste water in fiber recovery pond, liquid level intersects each other; Be provided with at least one rotating mechanism between described baler and fiber recovery pond, it keeps relatively rotating for ordering about between baler and fiber recovery pond; The end correspondence position of described baler is provided with, and is communicated to the fiber recovery pipeline in the fiber collecting pond being arranged on outside, fiber recovery pond, and is communicated to the water purification pipeline of the water purifying tank being arranged on outside, fiber recovery pond; In described fiber recovery pipeline and water purification pipeline, at least there is a pipeline, its correspondence position is provided with filter.
As a modification of the present invention, the radial direction of described baler Yan Xianweihuishouchi, is extended to its axial location by the sidewall in fiber recovery pond, wherein, baler in the end height of fiber recovery pond sidewall, higher than its end height in fiber recovery pond axial location.Adopt above-mentioned design, it, by the baler extended along fiber recovery pond radial direction, makes it in rotary course, cover the regional in fiber recovery pond, avoids occurring that dead angle causes the efficiency and precision of fiber recovery to decline; Meanwhile, the inclined design of baler can make the fiber laitance entering baler inside in the axis region of its effect of weight downstream to fiber recovery pond, and then completes the recovery of fiber and water purification, avoids additionally adding power-equipment and the energy caused and cost payout.
As a modification of the present invention, described baler outer setting has bracing frame, baler, and its control motor is all fixedly installed in bracing frame inside; Described rotating mechanism adopts revolution wheel, and it includes the driving wheel be arranged between bracing frame and sidewall upper face, fiber recovery pond, and to the control motor that it drives.Adopt above-mentioned design, it is by by baler, and its control device is stable is installed within bracing frame, stability in its course of work is effectively improved, because the factors such as mechanical oscillation cause the dress that cannot complete fiber laitance smoothly to be got in the process avoiding baler to rotate around fiber recovery pond axis; Meanwhile, adopt revolution wheel to carry out the rotation of bracing frame together with baler, rotate compared to Direct driver bracing frame and baler, under the prerequisite of the less energy of consumption, can effectively improve its stationarity in rotary course.
As a modification of the present invention, include at least three revolution wheels in support frame as described above, it adopts non-colinear to distribute each other.Adopt above-mentioned design, it passes through three non-colinears distributions point three-legged structure that other carrousels wheel is formed, and makes bracing frame connection baler can keep best stablizing effect in rotary course.
As a modification of the present invention, sidewall upper face, described fiber recovery pond is provided with chute, and revolution wheel is arranged at chute inside, and wherein, driving wheel contacts with chute bottom face, and its radial section is towards fiber recovery pond inner inclination.Adopt above-mentioned design, its setting by chute avoids revolution wheel in rotary course, offset fiber recovery pond, meanwhile, and being obliquely installed of driving wheel, can reduce its circumference rotate in resistance, the efficiency of bracing frame circular motion and stability are further improved.
As a modification of the present invention, described baler is by baler main body, and at least two open ends are formed; Each open end extends to outside it by the side end face of baler main body; The port width of multiple open end, it is at least equal with the radius of baler main body; In any radial section of described baler, adjacent two open end cross sections are all mutually Rotational Symmetry, and the anglec of rotation between any two adjacent open end cross sections is all equal.
Adopt above-mentioned design, it, by multiple open end extended to outside baler main body, makes the port area of its open end, and the volume of baler main body all comparatively straight tube structure increase to some extent, thus improve the efficiency of baler work; Simultaneously, adopt the baler of said structure, after fiber laitance enters baler inside by open end, its rotation with baler can be avoided to fall back rapidly in fiber recovery pond, thus make baler while the dress of continuation is got, the fiber laitance of its inside can be made axially to enter in follow-up equipment along it, and then stopped the generation of backflow phenomenon; Multiplely be in rotational symmetric open end, make baler fill the efficiency of getting fiber and significantly improve.
As a modification of the present invention, in described fiber recovery pond, its axial location is provided with the clear water tanks being communicated to water purifying tank, and its Sidewall Height is higher than the liquid level of waste water in fiber recovery pond; In described baler, it is all positioned at clear water tanks inside in the end of fiber recovery pond axial location in the projection of fiber recovery pond bottom face.
As a modification of the present invention, described water purification cartridge includes mutually concentrically round water purification cartridge sidewall, and the central tube be provided at its inner portion; Described water purification cartridge sidewall and central tube, by Electric Machine Control, rotate with the axis of baler around fiber recovery pond; In described baler, it is all positioned at central tube inside in the end of fiber recovery pond axial location in the projection of fiber recovery pond bottom face, the fiber recovery pipeline being communicated to fiber collecting pond is provided with bottom central tube, and for carrying out the Microfilter of Separation of Solid and Liquid to fiber, central tube sidewall is provided with the water outlet port for discharging water purification; The bottom of the annular region that described water purification cartridge sidewall and central tube are formed is provided with the water purification pipeline being communicated to water purifying tank.
Employing said structure designs, and it is by the setting of water purification cartridge, makes it form certain range of receiving to the fibre stuff flowed out in baler, avoids adopting pipeline to connect and causes fiber fines to be built-up in the phenomenons such as inner-walls of duct; In water purification cartridge, the Microfilter in central tube effectively can realize being separated of fiber and water, thus the precision completing fiber reclaims.
As a modification of the present invention, in described fiber recovery pond, its axial location is provided with the influent waste water pipeline being communicated to cardboard production apparatus; Multiple wastewater outlet be communicated between clear water tanks sidewall and fiber recovery pond sidewall is provided with in described influent waste water pipeline.Adopt above-mentioned design, it forms circulation by the retracting device of influent waste water pipeline and fiber and water purification in fiber recovery pond, and then makes that the recovery operation of fiber is sustainable carries out, and makes organic efficiency be able to remarkable improvement.
As a modification of the present invention, be provided with flocculator in described production waste water in fiber fines recycle and reuse device, it includes flocculant flowing groove and flocculant distributing trough; Described flocculant flowing groove includes multiple arc being parallel to fiber recovery pond sidewall bearing of trend, and adjacent two arcs form a flocculant flowing groove, and flocculant flowing groove one end adopts enclosed construction; In each flocculant flowing groove, it is provided with the wastewater outlet that extends to its inside; Described flocculant distributing trough is arranged at the open end position of flocculant flowing groove, and it includes multiple baffle plate extended at vertical direction, and for connecting the fixed beam of multiple baffle plate; Gap between adjacent two baffle plates, is less than the gap between two arcs in any flocculant flowing groove; In described flocculant flowing groove, its open end position is provided with, and prolongs the cross bar that fiber recovery pond radial direction is fixed on multiple arc upper end, and be provided with at least one screw mandrel prolonging vertical direction and extend among cross bar, it is connected on flocculant distributing trough; Described flocculant flowing groove and flocculator distributor are all connected on bracing frame.
Adopt above-mentioned design, it can make waste water after wastewater outlet flows out, flow slowly by flocculant flowing groove, and make its flow velocity be tending towards static by flocculant distributing trough, simultaneously, flocculant flowing groove can be convenient to waste water and mix mutually with flocculant, and make the fiber in waste water more easily form floccule, the dress being convenient to baler is got; In addition, the liftable structure of flocculant distributing trough is convenient to it and is adjusted in real time according to the liquid level in fiber recovery pond.
In above-mentioned production waste water in fiber fines recycle and reuse device, the waste water produced in pulp production can enter in fiber recovery pond by it, and by regulating the inflow of waste water, liquid level in fiber recovery pond is positioned at, with the open end of baler rotate to during baler lower surface can in contact range.When waste water enters fiber recovery pond, it is communicated to each flocculant by waste water connecting pipe and wastewater outlet and flows in groove, and mixes with flocculant in flocculant flowing groove, and carries out all the other positions in fiber recovery pond by flocculant distributing trough.
Waste water is in fiber recovery pond, and the air-floating apparatus by flocculant and fiber recovery pond affects, and the fiber fines in waste water is assembled each other becomes floccule, and floats up to the liquid level top layer in fiber recovery pond, forms fiber laitance.Now, after the open end be in the baler under the state of pivoting contacts with fiber laitance, bring the fiber laitance being entrained with part water into baler inside, and with the inclination of baler, its end from baler is flowed out, enter in central tube.Microfilter in central tube carries out separating treatment to fiber laitance and water, and makes fiber enter in fiber collecting pond by fiber recovery pipeline after it is separated; Water purification after elimination fiber enters water purification cartridge inside via the sidewall of central tube, thus is delivered in water purifying tank by water purification pipeline, and then completes being separated and recovery of fiber and water purification.
In the said apparatus course of work, carrousel wheel drives bracing frame to rotate together with the circumference of baler along fiber recovery pond, thus fills the laitance of each position in fiber recovery pond and get and follow-up filtration treatment.In fiber recovery pond, the recovery of the inflow of waste water and fiber and water purification is formed and circulates, make the liquid level in fiber recovery pond keep stable, guarantee that baler can carry out dress to fiber laitance in real time and get, and the continuable recycling carrying out waste water in fiber recovery pond can be made.
Adopt fiber fines recycle and reuse device in the production waste water of technique scheme, it can in production process, the waste water producing paper pulp generation carries out recovery reprocessing, fiber fines and waste water are separated from each other, both fiber fines and water purification can have been dropped into again the production of paper pulp, discharge of wastewater pollution on the environment can be avoided again, thus achieve cleaner production while the cost saved.
Meanwhile, compared to existing fiber recovery technology, said apparatus is in the removal process of fiber fines and waste water, fiber to be recycled is made to concentrate on liquid level top layer by air supporting principle, and recycled for fiber laitance by baler, thus fiber recovery efficiency is significantly improved, and can avoid traditional fibre retracting device at work hydraulic pressure to the damage of relevant device; Meanwhile, because fibril aggregation is in liquid level top layer, its position is determined relatively, also can be protected so reclaim precision; In addition, fiber laitance in removal process, and the waste water below it all remains static, the position that baler fills fiber in the process of getting to it is relatively stable, and then the efficiency and precision of fiber recovery is all improved.
In addition, in the said apparatus course of work, pivoted in real time by baler, and axis around fiber recovery pond rotates, so pending waste water keep static while, guarantee the recycling it being carried out to each position; On the other hand, in fiber recovery pond, waste water and water purification realize circulating in the process that passes in and out, match with the baler rotated, and then realize continuing waste water and comprehensively reclaiming filtration treatment, decrease artificial participation in removal process to greatest extent, while making fiber recovery operation reach the running of efficient stable, effectively prevent the cost of manual operation existence and the defect of precision.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is support frame structure top view in the present invention;
Fig. 3 is fiber recovery pond internal structure top view in the present invention;
Fig. 4 is baler longitudinal section view in the present invention;
Fig. 5 is bracing frame upward view in the present invention;
Fig. 6 is driving wheel schematic diagram in embodiment 2 in the present invention;
Fig. 7 is central tube schematic internal view in embodiment 3 in the present invention;
Fig. 8 is embodiment 4 inner support wheel schematic diagram in the present invention;
Fig. 9 is flocculant distributing trough top view in embodiment 5 in the present invention;
Reference numerals list:
1-fiber recovery pond, 2-baler, 21-baler main body, 22-open end, 23-pulp pipeline, 24-spoiler, 3-bracing frame, 4-revolution wheel, 41-driving wheel, 5-water purification cartridge, 51-water purification cartridge sidewall, 52-central tube, 53-downflow weir, 6-fiber collecting pond, 61-fiber recovery pipeline, 7-metal filter screen, 8-water purifying tank, 81-water purification pipeline, 9-influent waste water pipeline, 91-wastewater outlet, 10-inner support is taken turns, 11-chute, 12-flocculant flowing groove, 121-arc, 122-cross bar, 13-flocculant distributing trough, 131-V-arrangement baffle plate, 132-fixed beam, 133-screw mandrel, 14-sewage sump, 15-floating rule, 16-transparent window, 17-side supports gusset, 18-bottom support gusset, 19-waste water produces equipment, 20-sewage collecting groove.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, following detailed description of the invention should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
Embodiment 1
As shown in Figure 1, Figure 2 with fiber fines recycle and reuse device in a kind of production waste water shown in Fig. 3, it includes the fiber recovery pond 1 of waste water produced for splendid attire production, and it is communicated with air compressor 11 for generation of bubble and force (forcing) pump 12.Described fiber recovery pond outer setting has the fiber collecting pond 6 for recycled fiber, and for reclaiming the water purifying tank 8 of water purification; The upper end in described fiber recovery pond 1 is provided with baler 2, its by Electric Machine Control its around axial-rotation.The described motor controlled baler 2 is arranged at the top of baler, its hinge by being connected with electric machine main shaft, and the cooperation between the reductor be connected with hinge realizes controlling the rotation of baler 2.
As shown in Figure 4, described baler 2 is by baler main body 21, and two open ends 22 are formed; Described baler main body 21 adopts cylindrical structure, two open end 22 all adopt arcuate structure, in the radial section of baler 2, the radian of two open end 22 is 180 °, its respectively by the upper end of baler main body 21 and bottom along motor direction of rotation, the outside to baler main body extends, and the axis of two open ends 22 each other about baler main body 21 is in a center of symmetry, wherein, the port width of two open ends 22 is all equal with the radius of baler main body 21.
Described baler 2 prolongs the radial direction in fiber recovery pond 1, is extended to its axial location by the sidewall in fiber recovery pond 1, wherein, baler 2 in the end height of fiber recovery pond 1 sidewall, higher than its end height in fiber recovery pond 1 axial location; In described baler 2, its end position in fiber recovery pond 1 sidewall is connected with revolving rod, it is connected with motor, baler 2 is provided with in the end of fiber recovery pond 1 axial location, along baler 2 Axis Extension to the pulp pipeline 23 of baler main body 21, the end of described pulp pipeline 23 is provided with the spoiler 24 that three connecting rods are connected to pulp pipeline port position.
Employing said structure designs, and it, by extending to the open end outside baler main body, makes the port area of its open end, and the volume of baler main body all comparatively straight tube structure increase to some extent, thus improve the efficiency of baler work; Simultaneously, adopt the baler of said structure, after fiber laitance enters baler inside by open end, its rotation with baler can be avoided to fall back rapidly in fiber recovery pond, thus make baler while the dress of continuation is got, the fiber laitance of its inside can be made axially to enter in follow-up equipment along it, and then stopped the generation of backflow phenomenon; Adopt two centrosymmetric open end to work simultaneously, make baler fill the efficiency of getting fiber and significantly improve.
Meanwhile, said structure, by the baler extended along fiber recovery pond radial direction, makes it in rotary course, cover the regional in fiber recovery pond, avoids occurring that dead angle causes the efficiency and precision of fiber recovery to decline; Meanwhile, the inclined design of baler can make the fiber laitance entering baler inside in the axis region of its effect of weight downstream to fiber recovery pond, and then completes the recovery of fiber and water purification, avoids additionally adding power-equipment and the energy caused and cost payout; In addition, the fibre stuff in baler rings by flow-disturbing project in the process derived, and can slow down impulsive force when it is derived, and avoids, in fibre stuff splash to pending waste water, causing the reduction of fiber recovery efficiency.
Described baler 2 outer setting has bracing frame 3, baler 2, and its control motor is all fixedly installed in bracing frame 3 inside; Support frame as described above 3 is arranged at the upper end in fiber recovery pond 1, its nearly isosceles trapezoidal structure adopting short transverse to extend along fiber recovery pond diametric(al), the two ends of bracing frame 3 are all positioned at the top of fiber recovery pond sidewall, wherein, the tip lengths at baler 2 and motor place thereof is greater than the length of the other end.
In support frame as described above 3, its two end Angle Position being fixedly connected with the end of baler 2 and motor thereof are provided with two revolution wheels 4, position, bracing frame the other end is provided with the 4 one-tenth isosceles triangle distributions of a revolution wheel 4, three revolution wheels, and it as shown in Figure 5.Each revolution wheel 4 by driving wheel 41, and is formed its control motor driven.
Employing said structure designs, it is by by baler, and its control device is stable is installed within bracing frame, stability in its course of work is effectively improved, because the factors such as mechanical oscillation cause the dress that cannot complete fiber laitance smoothly to be got in the process avoiding baler to rotate around fiber recovery pond axis; In the nearly trapezium structure that bracing frame adopts, namely it carry out stable support by trapezium structure to baler, again by its two ends are mounted in fiber recovery pond diameter on, the center of gravity making bracing frame be communicated with baler is partial to the axial location in fiber recovery pond, thus makes it in rotation process, keep good stationarity.
Meanwhile, adopt revolution wheel to carry out the rotation of bracing frame together with baler, rotate compared to Direct driver bracing frame and baler, under the prerequisite of the less energy of consumption, can effectively improve its stationarity in rotary course; In the arrangement mode of above-mentioned revolution wheel, it adopts two revolution wheels for baler one end position that weight in bracing frame is larger, and in driving, it also can be played a supporting role while rotating; And the three-legged structure that three carrousel wheels are formed, make bracing frame connection baler can keep best stablizing effect in rotary course.
In described fiber recovery pond 1, its axial location is provided with water purification cartridge 5, its height is higher than the liquid level in fiber recovery pond 1, water purification cartridge 5 includes mutually concentrically round water purification cartridge sidewall 51, the central tube 52 be provided at its inner portion, and the downflow weir 53 be arranged between water purification cartridge sidewall 51 and central tube 52, and it is by Electric Machine Control, rotate with the axis of baler around fiber recovery pond, wherein, water purification cartridge sidewall 51 is by extending to the transmitting gear of lower surface, fiber recovery pond, and be meshed with transmitting gear, and the mutual motion between the driven wheel driving it to rotate by motor rotates.
In described baler 2, the port of pulp pipeline 23 extends to directly over central tube, the bottom of central tube 52 is provided with the fiber recovery pipeline 61 being communicated to fiber collecting pond 6, and for carrying out the Microfilter of Separation of Solid and Liquid to fiber, Microfilter includes by Electric Machine Control that it carries out the metal filter screen 7 turned around axle; Be provided with in the sidewall of central tube 52, be communicated to the water outlet port of downflow weir 53 inside, the bottom of above-mentioned annular downflow weir is provided with the water purification pipeline 81 being communicated to water purifying tank 8.
In described central tube 52, its axial location is provided with the influent waste water pipeline 9 being communicated to pulp production device; Multiple wastewater outlet 91 be communicated between clear water tanks sidewall 51 and fiber recovery pond 1 sidewall is provided with in described influent waste water pipeline 9; In the sidewall in described fiber recovery pond 1, when the open end 22 in baler 2 rotates to its lower surface, the horizontal level at open end place is provided with horizon detector.
Employing said structure designs, and it is by the setting of water purification cartridge, makes it form certain range of receiving to the fibre stuff flowed out in baler, avoids adopting pipeline to connect and causes fiber fines to be built-up in the phenomenons such as inner-walls of duct; In water purification cartridge, the Microfilter in central tube can rotate by metal filter screen the centrifugal force produced and effectively realize being separated of fiber and water, thus the precision completing fiber reclaims; Meanwhile, the setting of downflow weir can make water purification and fiber separated from one another after, to be entered in downflow weir by the mode of overflow and complete derivation, its flow velocity tends towards stability, thus the static state that can realize water purification reclaims, and can avoid the damage to piping facility, be convenient to again staff and carry out check processing to it.
Meanwhile, said apparatus passes through the retracting device of influent waste water pipeline and fiber and water purification, in fiber recovery pond, form waste water import, and the circulating system of water purification and fiber recovery, thus make the recovery of fiber can carry out the continuous firing of non-discontinuity, and then organic efficiency is made to be able to remarkable improvement; What the liquid level that the horizon detector arranged in fiber recovery pond then can be guaranteed in fiber recovery pond remained at baler can in contact range.
In above-mentioned production waste water in fiber fines recycle and reuse device, the waste water produced in production process can enter in fiber recovery pond by it, and by regulating the inflow of waste water, liquid level in fiber recovery pond is positioned at, with the open end of baler rotate to during baler lower surface can in contact range.When waste water enters fiber recovery pond, it is communicated to each flocculant by waste water connecting pipe and wastewater outlet and flows in groove, and mixes with flocculant in flocculant flowing groove, and carries out all the other positions in fiber recovery pond by flocculant distributing trough.
Waste water is in fiber recovery pond, and the air-floating apparatus by fiber recovery pond affects, and makes the fiber fines in waste water float up to liquid level top layer in fiber recovery pond, forms fiber laitance.Now, after the open end be in the baler under the state of pivoting contacts with fiber laitance, bring the fiber laitance being entrained with part water into baler inside, and with the inclination of baler, its end from baler is flowed out, enter in central tube.In Microfilter in central tube, motor drives the metal filter screen of tubular to pivot, by the centrifugal force that its High Rotation Speed produces, separating treatment is carried out to fiber laitance and water, and make fiber enter in fiber collecting pond by fiber recovery pipeline after it is separated; Water purification after elimination fiber enters downflow weir inside via the water outlet port of the sidewall of central tube, thus is delivered in water purifying tank by water purification pipeline, and then completes being separated and recovery of fiber and water purification.
In the said apparatus course of work, carrousel wheel drives bracing frame to rotate together with the circumference of baler along fiber recovery pond, thus fills the laitance of each position in fiber recovery pond and get and follow-up filtration treatment.In fiber recovery pond, the recovery of the inflow of waste water and fiber and water purification is formed and circulates, make the liquid level in fiber recovery pond keep stable, guarantee that baler can carry out dress to fiber laitance in real time and get, and the continuable recycling carrying out waste water in fiber recovery pond can be made.
In the cyclic process that waste water and fiber and water purification reclaim, the horizon detector arranged in fiber recovery pond controls its turnover water yield and the liquid level in fiber recovery pond is remained on 60 centimetres, and then pass through shallow pool principle, make the fiber in the waste water in fiber recovery pond can float up to liquid level rapidly, thus improve the efficiency of air supporting and subsequent handling.
Adopt fiber fines recycle and reuse device in the production waste water of technique scheme, it can in production process, the waste water producing paper pulp generation carries out recovery reprocessing, fiber fines and waste water are separated from each other, both fiber fines and water purification can have been dropped into again the production of paper pulp, discharge of wastewater pollution on the environment can be avoided again, thus achieve cleaner production while the cost saved.
Meanwhile, compared to existing fiber recovery technology, said apparatus is in the removal process of fiber fines and waste water, fiber to be recycled is made to concentrate on liquid level top layer by air supporting principle, and recycled for fiber laitance by baler, thus fiber recovery efficiency is significantly improved, and can avoid traditional fibre retracting device at work hydraulic pressure to the damage of relevant device; Meanwhile, because fibril aggregation is in liquid level top layer, its position is determined relatively, also can be protected so reclaim precision; In addition, fiber laitance in removal process, and the waste water below it all remains static, the position that baler fills fiber in the process of getting to it is relatively stable, and then the efficiency and precision of fiber recovery is all improved.
In addition, in the said apparatus course of work, pivoted in real time by baler, and axis around fiber recovery pond rotates, so pending waste water keep static while, guarantee the recycling it being carried out to each position; On the other hand, in fiber recovery pond, waste water and water purification realize circulating in the process that passes in and out, match with the baler rotated, and then realize continuing waste water and comprehensively reclaiming filtration treatment, decrease artificial participation in removal process to greatest extent, while making fiber recovery operation reach the running of efficient stable, effectively prevent the cost of manual operation existence and the defect of precision.
Adopt fiber fines recycle and reuse device in above-mentioned production waste water, it is per hour can reclaim 60m
3paper waste, 1.5 to 2 times of the yield of general fibre recycling machine can be reached; Adopt above-mentioned recovery water to carry out the reprocessing of paper pulp, the required fibre weight of producing one ton of cardboard is down to 1.09 tons by 1.13, and water consumption drops to 70 tons by 90 tons, and annual water-saving amount can reach 300,000 tons, and the suspended matter in water drops to 60mg/l by 250mg/l; Can be known by above-mentioned data; adopt above-mentioned fibrous recovery unit compared to traditional fibre retracting device, achieve significant raising at the efficiency and precision reclaimed, simultaneously; it not only effectively controls entreprise cost expenditure, and effectively can realize the protection for environment in production process.
Embodiment 2
As a modification of the present invention, as shown in Figure 6, sidewall upper face, described fiber recovery pond 1 is provided with chute 11, it is inner that revolution wheel 4 is arranged at chute 11, wherein, driving wheel 41 contacts with chute 11 bottom face, and its radial section is towards fiber recovery pond 1 inner inclination.Adopt above-mentioned design, its setting by chute avoids revolution wheel in rotary course, offset fiber recovery pond, meanwhile, and being obliquely installed of driving wheel, can reduce its circumference rotate in resistance, the efficiency of bracing frame circular motion and stability are further improved.
All the other feature & benefits of the present embodiment are all identical with embodiment 1.
Embodiment 3
As a modification of the present invention, the Sidewall Height in described fiber recovery pond 1 is 80 centimetres; In described water purification cartridge 5, the height of water purification cartridge inwall 51 is 65 centimetres, and the height of central tube 52 is 60 centimetres; The height of downflow weir 53 is 15 centimetres.
As shown in Figure 7, in described central tube 52, metal filter screen 7 adopts the loop configuration of prolonging its sidewall and extending, and central tube 52 bottom face adopts the frustum structure to downward-extension, and described fiber recovery pipeline 61 is arranged at its bottom face; Described water outlet port is arranged on the sidewall of taper type bottom face of central tube 52, and its side end face along frustum extends; In described central tube 52, be provided with the cleaning device for rinsing metal filter screen 7, it is by water pump, and forms towards the clean spout that metal filter screen 7 extends; Described water pump is connected to peripheral hardware tank.
Adopt above-mentioned design, it is arranged by the frustum bottom central tube, and make fiber be subject to effect of weight, the side end face along frustum moves among the fiber recovery pipeline bottom it, avoids it at central tube internal residual; Meanwhile, in water purification and fiber process separated from one another, make water purification move to water side port area along it by frustum structure, thus realize rapidly separation and the discharge of water purification, avoid water purification to remain in water purification cartridge; In addition, in central tube, arrange cleaning device, it is by the impact of High-Pressure Water, makes to be attached to the online fiber of metal filtration and departs from, and fall in fiber collecting pond to complete the recovery of fiber.
All the other feature & benefits of the present embodiment are all identical with embodiment 1.
Embodiment 4
As a modification of the present invention, as shown in Figure 8, in described baler 2, pulp pipeline 23 in water purification cartridge sidewall 51 upper end projection planar, extended to by the outside of water purification cartridge sidewall 51 that it is inner; Formed by described baler 2 axis and horizontal plane, acute angle is 15 °; Among the upper end of described water purification cartridge 5 sidewall, in baler 2, pulp pipeline 23 is provided with in the projection correspondence position of this end face, the support platform extended in the horizontal direction, support platform is provided with two inner support wheels 10, its axis is all parallel to the axis of pulp pipeline; Described inner support wheel 10 is about the axisymmetrical of pulp pipeline, and it all drives it to rotate by motor, and two interior driving wheels 10 all form linear contact lay with pulp pipeline; Described water purification cartridge 5 carries out synchronous rotary with baler 2 relative to the axis in fiber recovery pond 1; Described interior driving wheel is identical with the speed that baler 2 sways.
Adopt above-mentioned design, it coordinates motor by inner support wheel, and bracing frame forms supplemental support to baler, thus the supporting way of baler is supported by the folk prescription being originally positioned at its end, be improved to and its head end and end supported simultaneously simultaneously, and then effectively improve the stability in the baler course of work; Simultaneously, inner support wheel can in the rotary course of pulp pipeline, together rotate thereupon, it can be avoided to affect the flatness of baler rotary motion, to the active force of the circumferencial direction of pulp pipeline when also rotating by it, make pivoting of baler more stable, and then improve the operating efficiency of baler.
All the other feature & benefits of the present embodiment are all identical with embodiment 3.
Embodiment 5
As a modification of the present invention, as shown in Fig. 1, Fig. 3 and Fig. 9, be provided with flocculator in described production waste water in fiber fines recycle and reuse device, it includes flocculant flowing groove 12 and flocculant distributing trough 13; Described flocculant flowing groove 12 includes multiple arc 121 being parallel to fiber recovery pond sidewall bearing of trend, and adjacent two arcs 121 form a flocculant flowing groove 12, and flocculant flowing groove 12 one end adopts enclosed construction, and the other end adopts open end.
Described flocculant distributing trough 13 is arranged at the open end position of flocculant flowing groove 12, and it includes multiple V-arrangement baffle plate 131 extended at vertical direction, and for connecting the fixed beam 132 of multiple V-arrangement baffle plate 131; The V-shaped groove of adjacent two V-arrangement baffle plates interlocks toward each other; The equal correspondence in end of each flocculant flowing groove is provided with 4 V-arrangement baffle plates 131; Described fixed beam 132 extends in the horizontal direction, and it is fixed on the bottom of each V-arrangement baffle plate.
In described flocculant flowing groove 12, each arc 121 the end face of open end and the intersection location of its upper end are provided with the cross bar 122 extended in the horizontal direction, and it is parallel to the fixed beam 132 in flocculant distributing trough 13, cross bar 122 and fixed beam 132 all extend on the radial direction in fiber recovery pond 1; Be provided with two screw mandrels 133 prolonging vertical direction and extend among described cross bar 132, it is connected in flocculant distributing trough 13, on the V-arrangement baffle plate 131 of correspondence position.
Multiple arcs in described flocculant flowing groove 12 are all fixed on bracing frame, and the gap between itself and the bottom face in fiber recovery pond is 0.5 centimetre; In described flocculant distributing trough 13, cross bar one end is fixed on arc 121, and the other end is fixed on water purification cartridge sidewall 51.
The horizontal pipe extended in the horizontal direction is included in described influent waste water pipeline 9, and multiple vertical pipeline by horizontal pipe vertically extends, be provided with a wastewater outlet in each vertical pipeline; In described flocculant flowing groove 12, in each flocculant flowing groove 12, all correspondence is provided with a vertical pipeline, it is arranged in the correspondence position of flocculant flowing groove 12 closed end, and the wastewater outlet 91 in vertical pipeline extends towards the open end of flocculant flowing groove 12.
Adopt above-mentioned design, it can make waste water after wastewater outlet flows out, flow slowly by flocculant flowing groove, and make its flow velocity be tending towards static by flocculant distributing trough, simultaneously, flocculant flowing groove can be convenient to waste water and mix mutually with flocculant, and make the fiber in waste water more easily form floccule, the dress being convenient to baler is got; In addition, the liftable structure of flocculant distributing trough is convenient to it and is adjusted in real time according to the liquid level in fiber recovery pond.
All the other feature & benefits of the present embodiment are all identical with embodiment 4
Embodiment 6
As a modification of the present invention, as shown in Figures 1 and 3, the bottom face in described fiber recovery pond 1 is provided with a sewage sump 14, is provided with the blow-off line 141 being communicated to water purification cartridge outside in sewage sump 14; The length direction of described sewage sump 14 is the radial direction in fiber recovery pond 1, and its length is identical with the ring footpath of the annular region that fiber recovery pond is formed with water purification cartridge.In described water purification cartridge 5, water purification cartridge sidewall 51 is provided with the floating rule 15 that 3 sidewalls to fiber recovery pond 1 extend.
Be provided with in the sidewall in described fiber recovery pond 1, extended to the transparent window 16 of upper end by its lower surface; Described transparent window 16 and sewage sump 14 are in the same radial position in fiber recovery pond.
Adopt above-mentioned design, it carries out in the process of circular motion by floating rule with water purification cartridge sidewall, by inner for fiber recovery pond may with dirt, bring into in sewage sump, and carry out real-time cleaning by blow-off line, and then guarantee in the fiber recovery course of work, it is inner that dirt can not remain in fiber recovery pond repeatedly, causes the impact on aspects such as fiber recovery pond volumes.
All the other feature & benefits of the present embodiment are all identical with embodiment 1.
Embodiment 7
As a modification of the present invention, as shown in Figure 1, in described fiber recovery pond, the outside of its sidewall and bottom is respectively arranged with side supports gusset 17, and bottom support gusset 18, to guarantee that fiber recovery pond is in deadweight, and can stability be kept under the impact of inside water pressure.
All the other feature & benefits of the present embodiment are all identical with embodiment 1.
Claims (9)
1. a fiber fines recycle and reuse device in production waste water, is characterized in that, in described production waste water, fiber fines recycle and reuse device includes:
Fiber recovery pond, for the waste water that splendid attire production produces, it is communicated with air compressor for generation of bubble and force (forcing) pump;
Baler, it is arranged at the upper end in fiber recovery pond, described baler by Electric Machine Control its around axial-rotation, be provided with at least one in baler along its axially extended open end, in baler rotary course, on the sidewall of its open end and the waste water in fiber recovery pond, liquid level intersects each other; Be provided with at least one rotating mechanism between described baler and fiber recovery pond, it keeps relatively rotating for ordering about between baler and fiber recovery pond;
The end correspondence position of described baler is provided with, and is communicated to the fiber recovery pipeline in the fiber collecting pond being arranged on outside, fiber recovery pond, and is communicated to the water purification pipeline of the water purifying tank being arranged on outside, fiber recovery pond; In described fiber recovery pipeline and water purification pipeline, at least there is a pipeline, its correspondence position is provided with filter.
2. according to fiber fines recycle and reuse device in production waste water according to claim 1, it is characterized in that, described baler is along the radial direction in fiber recovery pond, extended to its axial location by the sidewall in fiber recovery pond, wherein, baler in the end height of fiber recovery pond sidewall, higher than its end height in fiber recovery pond axial location.
3. according to fiber fines recycle and reuse device in production waste water according to claim 2, it is characterized in that, described baler outer setting has bracing frame, baler, and its control motor is all fixedly installed in bracing frame inside;
Described rotating mechanism adopts revolution wheel, and it includes the driving wheel be arranged between bracing frame and sidewall upper face, fiber recovery pond, and to the control motor that it drives.
4. according to fiber fines recycle and reuse device in production waste water according to claim 3, it is characterized in that, include at least three revolution wheels in support frame as described above, it adopts non-colinear to distribute each other; Sidewall upper face, described fiber recovery pond is provided with chute, and revolution wheel is arranged at chute inside, and wherein, driving wheel contacts with chute bottom face, and its radial section is towards fiber recovery pond inner inclination.
5. according to fiber fines recycle and reuse device in production waste water according to claim 3, it is characterized in that, described baler is by baler main body, and at least two open ends are formed; Each open end extends to outside it by the side end face of baler main body;
The port width of multiple open end, it is at least equal with the radius of baler main body;
In any radial section of described baler, adjacent two open end cross sections are all mutually Rotational Symmetry, and the anglec of rotation between any two adjacent open end cross sections is all equal.
6. according to fiber fines recycle and reuse device in the production waste water described in claim 3 to 5 any one, it is characterized in that, in described fiber recovery pond, its axial location is provided with the clear water tanks being communicated to water purifying tank, and its Sidewall Height is higher than the liquid level of waste water in fiber recovery pond; In described baler, it is all positioned at clear water tanks inside in the end of fiber recovery pond axial location in the projection of fiber recovery pond bottom face.
7. according to fiber fines recycle and reuse device in production waste water according to claim 6, it is characterized in that, described water purification cartridge includes mutually concentrically round water purification cartridge sidewall, and the central tube be provided at its inner portion; Described water purification cartridge sidewall and central tube, by Electric Machine Control, rotate with the axis of baler around fiber recovery pond;
In described baler, it is all positioned at central tube inside in the end of fiber recovery pond axial location in the projection of fiber recovery pond bottom face, the fiber recovery pipeline being communicated to fiber collecting pond is provided with bottom central tube, and for carrying out the Microfilter of Separation of Solid and Liquid to fiber;
The bottom of the annular region that described water purification cartridge sidewall and central tube are formed is provided with the water purification pipeline being communicated to water purifying tank.
8. according to fiber fines recycle and reuse device in production waste water according to claim 6, it is characterized in that, in described fiber recovery pond, its axial location is provided with the influent waste water pipeline being communicated to pulp production device; Multiple wastewater outlet be communicated between clear water tanks sidewall and fiber recovery pond sidewall is provided with in described influent waste water pipeline.
9. according to fiber fines recycle and reuse device in production waste water according to claim 8, it is characterized in that, be provided with flocculator in fiber fines recycle and reuse device in described production waste water, it includes flocculant flowing groove and flocculant distributing trough;
Described flocculant flowing groove includes multiple arc being parallel to fiber recovery pond sidewall bearing of trend, and adjacent two arcs form a flocculant flowing groove, and flocculant flowing groove one end adopts enclosed construction; In each flocculant flowing groove, it is provided with the wastewater outlet that extends to its inside;
Described flocculant distributing trough is arranged at the open end position of flocculant flowing groove, and it includes multiple baffle plate extended at vertical direction, and for connecting the fixed beam of multiple baffle plate; Gap between adjacent two baffle plates, is less than the gap between two arcs in any flocculant flowing groove;
In described flocculant flowing groove, its open end position is provided with, and prolongs the cross bar that fiber recovery pond radial direction is fixed on multiple arc upper end, and be provided with at least one screw mandrel prolonging vertical direction and extend among cross bar, it is connected on flocculant distributing trough;
Described flocculant flowing groove and flocculant distributing trough are all connected on bracing frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600358.8A CN104358177B (en) | 2014-10-31 | 2014-10-31 | Fiber fines recycle and reuse device in production waste water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410600358.8A CN104358177B (en) | 2014-10-31 | 2014-10-31 | Fiber fines recycle and reuse device in production waste water |
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| CN104358177A CN104358177A (en) | 2015-02-18 |
| CN104358177B true CN104358177B (en) | 2016-03-09 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI43381B (en) * | 1960-02-15 | 1970-11-30 | M Krofta | |
| DE4206206A1 (en) * | 1992-02-28 | 1993-09-02 | Voith Gmbh J M | Waste paper recycling - uses electrolyte and foaming to develop a flocculant to remove dirt as a scum from the surface of processing water |
| EP0558908A1 (en) * | 1992-03-04 | 1993-09-08 | J.M. Voith GmbH | Process and treatment of waste paper |
| EP0658606A1 (en) * | 1993-12-14 | 1995-06-21 | Ecc International Limited | Recovery of water and solids in a paper mill |
| DE102007010035A1 (en) * | 2007-03-01 | 2008-09-04 | Voith Patent Gmbh | Method for preparing calcium compounds especially for paper and cardboard recycling by adding carbon dioxide to the aqueous suspension |
| CN201172773Y (en) * | 2007-12-07 | 2008-12-31 | 魏永平 | Paper pulp recovery device in process of paper-making wastewater treatment |
| CN204212001U (en) * | 2014-10-31 | 2015-03-18 | 泰州魏德曼高压绝缘有限公司 | Fiber fines recycle and reuse device in production waste water |
-
2014
- 2014-10-31 CN CN201410600358.8A patent/CN104358177B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI43381B (en) * | 1960-02-15 | 1970-11-30 | M Krofta | |
| DE4206206A1 (en) * | 1992-02-28 | 1993-09-02 | Voith Gmbh J M | Waste paper recycling - uses electrolyte and foaming to develop a flocculant to remove dirt as a scum from the surface of processing water |
| EP0558908A1 (en) * | 1992-03-04 | 1993-09-08 | J.M. Voith GmbH | Process and treatment of waste paper |
| EP0558908B1 (en) * | 1992-03-04 | 1997-04-02 | J.M. Voith GmbH | Process and treatment of waste paper |
| EP0658606A1 (en) * | 1993-12-14 | 1995-06-21 | Ecc International Limited | Recovery of water and solids in a paper mill |
| JPH10237783A (en) * | 1993-12-14 | 1998-09-08 | Ecc Internatl Ltd | Recovery of water and solid in paper mill |
| DE102007010035A1 (en) * | 2007-03-01 | 2008-09-04 | Voith Patent Gmbh | Method for preparing calcium compounds especially for paper and cardboard recycling by adding carbon dioxide to the aqueous suspension |
| CN201172773Y (en) * | 2007-12-07 | 2008-12-31 | 魏永平 | Paper pulp recovery device in process of paper-making wastewater treatment |
| CN204212001U (en) * | 2014-10-31 | 2015-03-18 | 泰州魏德曼高压绝缘有限公司 | Fiber fines recycle and reuse device in production waste water |
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|---|---|
| CN104358177A (en) | 2015-02-18 |
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