CN105040495A - Multi-pipe airflow-impact kinetic energy pulping equipment with triangular sawtooth-shaped pulping knives - Google Patents

Multi-pipe airflow-impact kinetic energy pulping equipment with triangular sawtooth-shaped pulping knives Download PDF

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Publication number
CN105040495A
CN105040495A CN201510335508.1A CN201510335508A CN105040495A CN 105040495 A CN105040495 A CN 105040495A CN 201510335508 A CN201510335508 A CN 201510335508A CN 105040495 A CN105040495 A CN 105040495A
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pneumatic convey
liquid slurry
airflow
pulping
arm
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CN201510335508.1A
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CN105040495B (en
Inventor
安延涛
赵东
杨玉娥
刘鲁宁
李娜
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University of Jinan
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University of Jinan
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/04Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30Defibrating by other means
    • D21B1/32Defibrating by other means of waste paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/04Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30Defibrating by other means
    • D21B1/34Kneading or mixing; Pulpers
    • D21B1/345Pulpers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/64Paper recycling

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention provides a piece of multi-pipe airflow-impact kinetic energy pulping equipment with triangular sawtooth-shaped pulping knives. The multi-pipe airflow-impact kinetic energy pulping equipment mainly comprises an airflow-impact kinetic energy generation device, the pulping knives and a liquid-pulp generating device. The multi-pipe airflow-impact kinetic energy pulping equipment is characterized in that airflow-impact kinetic energy is utilized for crushing, the pulping knives with triangular sawteeth are utilized for shearing crushed materials and the crushed materials are mixed with liquid water to generate pulp. The multi-pipe airflow-impact kinetic energy pulping equipment provided by the invention has the advantages that the impact on multi-area crushed materials of a liquid-pulp drum is realized by four airflow conveying branch pipes which are uniformly distributed clockwise along the circumference, and the pressurization and speed increase of airflow is realized by reducing the inner diameters of an airflow conveying main pipe and an airflow conveying branch pipe by half in sequence; the kinetic-energy loss of the airflow is reduced by fillet transition at the connecting position of the airflow conveying main pipe and the corner of the airflow conveying branch pipe; the shearing and crushing of the crushed materials are realized by the 6 pulping knives with triangular sawtooth at the upper part, the middle part and the lower part in each group, the falling-in of larger foreign matters and air exhausting are prevented by a gap-type liquid pulp drum cover, and the structure strength of the liquid pulp drum cover is enhanced by 8 peripherally-distributed supporting beams of the liquid pulp drum cover.

Description

A kind of Multi-tube airflow impact kinetic energy pulp crushing apparatus with triangle zigzag pulping cutter
Technical field
The present invention relates to a kind of Multi-tube airflow impact kinetic energy pulp crushing apparatus with triangle zigzag pulping cutter, particularly relate to a kind of by clockwise and 4 of circumference uniform distribution pneumatic convey arms realize the impact of liquid slurry cylinder multizone particle, to be reduced by half successively the pressurization speed-raising realizing air-flow by the internal diameter of pneumatic convey house steward, pneumatic convey arm; The round-corner transition of the junction be responsible for by pneumatic convey, pneumatic convey arm corner reduces airflow kinetic energy loss; The shearing-crushing of particle is realized by the pulping cutter often organizing 6 triangular sawtooth in upper, middle and lower, prevent from falling into larger foreign matter and gas discharge by space formula liquid slurry cover, strengthened the structural strength of liquid slurry cover by the liquid slurry cover brace summer that 8 circumferences are uniform, belong to the technical research field of paper-making industry pulping equipment.
Background technology
In paper industry, the generation of paper pulp needs pulpboard, waste and old books, waste carton etc. to put into hydrabrusher, and carries out size degradation by the rotation of rotor, to make unit for uniform suspension.But due to the unicity of current pulper working method and structure, cause following problem: one is that efficiency is low, pulping region is not comprehensive, existing pulper is by the restriction of rotor mounting location, make each region pulping unbalanced, cause chaff size to differ, liquid slurry is uneven, need to increase pulping time as the uniform liquid slurry of particle will be produced, thus cause pulping efficiency low; Two is that energy consumption is large, existing pulper mainly realizes the decomposition of particle by the stirring of mechanical rotor, the rotation of mechanical rotor needs to consume a large amount of electric energy, and rotor not only wants carry fluid to rotate in motion process, but also the resistance of fluid will be overcome, this increases the consumption of electric energy to a certain extent.
Therefore, the problem such as low for mechanical pulping efficiency ubiquitous in existing pulping equipment, energy consumption is large, should consider from pulper working method and structure, designs the high and a kind of pulping equipment that energy consumption is little of mechanical rotor, efficiency.
Summary of the invention
The problem that the present invention is directed to that the mechanical pulping efficiency that existing pulping equipment exists is low, energy consumption is large etc., provides a kind of a kind of Multi-tube airflow impact kinetic energy pulp crushing apparatus with triangle zigzag pulping cutter that can effectively solve the problem.
A kind of Multi-tube airflow impact kinetic energy pulp crushing apparatus with triangle zigzag pulping cutter of the present invention is by the following technical solutions:
A kind of Multi-tube airflow impact kinetic energy pulp crushing apparatus with triangle zigzag pulping cutter, mainly comprise gas shock kinetic energy generating apparatus, pulping cutter and liquid slurry generating apparatus, described gas shock kinetic energy generating apparatus is by air compressor, pneumatic convey house steward, pneumatic convey arm A, pneumatic convey arm B, pneumatic convey arm C and pneumatic convey arm D forms, air compressor is fixed on liquid slurry cover by air compressor hold-down screw, pneumatic convey house steward upper end is arranged on air compressor lower end, pneumatic convey house steward lower end is connected with pneumatic convey arm A, pneumatic convey arm B, pneumatic convey arm C and pneumatic convey arm D, each pneumatic convey arm is clockwise and even circumferential distribution successively, the internal diameter of pneumatic convey house steward is d 1, the internal diameter of pneumatic convey arm is d 2and d 2= d 1/ 2, pneumatic convey arm A, the length of pneumatic convey arm C is l 1, the length of pneumatic convey arm B, pneumatic convey arm D is l 2and l 2= l 1/ 2, the knuckle of pneumatic convey house steward and pneumatic convey arm junction is r 1, the fillet of pneumatic convey arm corner is r 2and r 2= r 1/ 2, described pulping cutter is welded on 4 pneumatic convey arms with the form often organizing 6, upper, middle and lower respectively, and the lower surface of pulping cutter is triangular sawtooth structure, and pulping cutter thickness is b 1and its numerical values recited is b 1= d 2/ 2, pulping cutter length is l 3and l 3=8 b 1, described liquid slurry generating apparatus starches cylinder by liquid and liquid slurry cover forms, liquid slurry cylinder is columnar structured, liquid slurry cover is arranged on liquid slurry cylinder by liquid slurry cover hold-down screw, liquid slurry cylinder is built with the mixed liquor of aqueous water and particle, liquid slurry cylinder bottom surface is provided with pillar, pillar is 4 and circumference is uniformly distributed, liquid slurry cylinder lower end side is provided with discharging opening, liquid slurry cover starches cover outer ring by liquid, liquid slurry cover brace summer, liquid slurry cover inner ring and air compressing support composition, liquid slurry cover outer ring, liquid slurry cover inner ring and air compressing support are cirque structure, liquid slurry cover brace summer is square structure, its quantity is 8 and circumference is uniformly distributed, space is therebetween water inlet charging aperture, air compressing support center has circular hole, for installing pneumatic convey house steward.
The present invention is by pneumatic convey arm A, pneumatic convey arm B, pneumatic convey arm C and pneumatic convey arm D is clockwise and even circumferential distribution successively, and pneumatic convey arm B, the length of pneumatic convey arm D is pneumatic convey arm A, 1/2 of pneumatic convey arm C length, the impact of liquid slurry cylinder multizone particle is realized by this design, namely longer stream conveying arm A, the impact that pneumatic convey arm C realizes liquid slurry cylinder exterior domain is stirred, shorter pneumatic convey arm B, the impact that pneumatic convey arm D realizes liquid slurry cylinder inner region is stirred, namely when operating, high velocity air sprays in the mixture of particle and water through pneumatic convey arm, particle and water is forced outside air-flow, to produce ascending motion by bottom, produce with the particle of upper end in motion process and collide, thus form the impact in this region, stir and particle, and pneumatic convey is propped up bore is designed to pneumatic convey house steward 1/2, realized the pressurization speed-raising of air-flow by this design, improve the kinetic energy of air-flow, ensure that impact kinetic energy has enough crushing forces, ensure to stir, pulping efficiency, and pneumatic convey house steward and pneumatic convey arm junction, pneumatic convey arm corner are adopted round-corner transition, realize reducing airflow kinetic energy loss.
Pulping cutter lower surface is designed to triangular sawtooth structure by the present invention, the shearing-crushing of particle is realized by this design, namely impact through pneumatic convey arm the particle stirred in uphill process, touch pulping cutter, the triangular sawtooth of pulping cutter lower end produces the effect of shearing, tearing to particle, and with under the acting in conjunction of particle climbing power, make particle broken; And often to organize the form welding of 6, upper, middle and lower on pneumatic convey arm, this structural design both can increase the shearing-crushing region of particle, can realize again the repeatedly shearing-crushing to a certain particle.
Liquid is starched cover brace summer and is designed to circumference and is uniformly distributed by the present invention, is strengthened the structural strength of whole liquid slurry cover by this design; And liquid is starched cover outer ring, space between liquid slurry cover inner ring and liquid slurry cover brace summer as water inlet charging aperture, both can meet add water, reinforced and prevent from falling into larger foreign matter function, the discharge of gas in liquid slurry cylinder can be realized again.
The invention has the beneficial effects as follows: the impact being realized liquid slurry cylinder multizone particle by clockwise and 4 of circumference uniform distribution pneumatic convey arms; Reduced by half successively by the internal diameter of pneumatic convey house steward, pneumatic convey arm, realize the pressurization speed-raising of air-flow, ensure the crushing force of impact kinetic energy; The round-corner transition of the junction be responsible for by pneumatic convey, pneumatic convey arm corner, reduces airflow kinetic energy loss; The shearing-crushing of particle is realized by the pulping cutter often organizing 6 triangular sawtooth in upper, middle and lower; Prevent from falling into larger foreign matter and gas discharge by space formula liquid slurry cover; The structural strength of liquid slurry cover is strengthened by the liquid slurry cover brace summer that 8 circumferences are uniform.
Accompanying drawing explanation
Fig. 1 is overall structure of the present invention and part-structure scale diagrams;
Fig. 2 is layout and the part-structure scale diagrams of gas shock kinetic energy pulping device of the present invention;
Fig. 3 is the structural representation of pulping cutter of the present invention;
Fig. 4 is the physical dimension schematic diagram of pulping cutter of the present invention;
Fig. 5 is liquid of the present invention slurry Cap structure for box-like container schematic diagram.
Wherein: 1, discharging opening, 2, pillar, 3, pulping cutter, 4, pneumatic convey arm A, 5, liquid slurry cylinder, 6, pneumatic convey house steward, 7, liquid slurry cover hold-down screw, 8, water inlet charging aperture, 9, liquid slurry cover, 10, air compressor, 11, air compressor hold-down screw, 12, pneumatic convey arm D, 13, pneumatic convey arm B, 14, pneumatic convey arm C, 15, liquid slurry cover outer ring, 16, liquid slurry cover brace summer, 17, liquid slurry cover inner ring, 18, air compressing support.
Detailed description of the invention
Embodiment:
As shown in Figure 1 and Figure 2, a kind of Multi-tube airflow impact kinetic energy pulp crushing apparatus with triangle zigzag pulping cutter, mainly comprises gas shock kinetic energy generating apparatus, pulping cutter 3 and liquid slurry generating apparatus.Gas shock kinetic energy generating apparatus is by air compressor 10, pneumatic convey house steward 6, pneumatic convey arm A4, pneumatic convey arm B13, pneumatic convey arm C14 and pneumatic convey arm D12 forms, air compressor 10 is fixed on liquid slurry cover 9 by air compressor hold-down screw 11, pneumatic convey house steward 6 upper end is arranged on air compressor 10 lower end, pneumatic convey house steward 6 lower end is connected with pneumatic convey arm A4, pneumatic convey arm B13, pneumatic convey arm C14 and pneumatic convey arm D12, each pneumatic convey arm is clockwise and even circumferential distribution successively, pneumatic convey arm A4, the length of pneumatic convey arm C14 is l 1, the length of pneumatic convey arm B13, pneumatic convey arm D12 is l 2and l 2= l 1/ 2.This structural design realizes the impact of liquid slurry cylinder 5 multizone particle, namely the impact that longer stream conveying arm A4, pneumatic convey arm C14 realize liquid slurry cylinder 5 exterior domain is stirred, the impact that shorter pneumatic convey arm B13, pneumatic convey arm D12 realize liquid slurry cylinder 5 inner region is stirred, namely when operating, high velocity air sprays in the mixture of particle and water through pneumatic convey arm, particle and water is forced outside air-flow, to produce ascending motion by bottom, produce with the particle of upper end in motion process and collide, thus form the impact in this region, stirring and particle;
The internal diameter of pneumatic convey house steward 6 is d 1, the internal diameter of pneumatic convey arm is d 2and d 2= d 1/ 2, operationally, this structural design realizes the pressurization speed-raising of air-flow, improves the kinetic energy of air-flow, ensures that impact kinetic energy has enough crushing forces, thus ensure stirring, pulping efficiency.
Pneumatic convey house steward 6 with the knuckle of pneumatic convey arm junction is r 1, the fillet of pneumatic convey arm corner is r 2and r 2= r 1/ 2, this structural design realizes the loss reducing airflow kinetic energy.
As shown in Fig. 1, Fig. 3, Fig. 4, pulping cutter 3 is welded on 4 pneumatic convey arms with the form often organizing 6, upper, middle and lower respectively, and the lower surface of pulping cutter 3 is triangular sawtooth structure, and pulping cutter 3 thickness is b 1and its numerical values recited is b 1= d 2/ 2, pulping cutter 3 length is l 3and l 3=8 b 1.Operationally, this structural design realizes the shearing-crushing of particle, namely impact through pneumatic convey arm the particle stirred in uphill process, touch pulping cutter 3, the triangular sawtooth of pulping cutter 3 lower end produces the effect of shearing, tearing to particle, and with under the acting in conjunction of particle climbing power, make particle broken; And often to organize the form welding of 6, upper, middle and lower on pneumatic convey arm, both can increase the shearing-crushing region of particle, the repeatedly shearing-crushing to a certain particle can be realized again.
As Fig. 1, shown in Fig. 5, liquid slurry generating apparatus starches cylinder 5 by liquid and liquid slurry cover 9 forms, liquid slurry cylinder 5 is columnar structured, liquid slurry cover 9 is arranged on liquid slurry cylinder 5 by liquid slurry cover hold-down screw 7, liquid slurry cylinder 5 is built with the mixed liquor of aqueous water and particle, liquid slurry cylinder 5 bottom surface is provided with pillar 2, pillar 2 is 4 and circumference is uniformly distributed, liquid slurry cylinder 5 lower end side is provided with discharging opening 1, liquid slurry cover 9 starches cover outer ring 15 by liquid, liquid slurry cover brace summer 16, liquid slurry cover inner ring 17 and air compressing support 18 form, liquid slurry cover outer ring 15, liquid slurry cover inner ring 17 and air compressing support 18 are cirque structure, liquid slurry cover brace summer 16 is square structure, its quantity is 8 and circumference is uniformly distributed, this design strengthens the structural strength of whole liquid slurry cover 9, space is therebetween water inlet charging aperture 8, this void designs both can meet and added water, feed in raw material and prevent from falling into larger foreign matter function, the discharge of gas in liquid slurry cylinder 5 can be realized again.

Claims (1)

1. the Multi-tube airflow impact kinetic energy pulp crushing apparatus with triangle zigzag pulping cutter, mainly comprise gas shock kinetic energy generating apparatus, pulping cutter and liquid slurry generating apparatus, it is characterized in that: described gas shock kinetic energy generating apparatus is by air compressor, pneumatic convey house steward, pneumatic convey arm A, pneumatic convey arm B, pneumatic convey arm C and pneumatic convey arm D forms, air compressor is fixed on liquid slurry cover by air compressor hold-down screw, pneumatic convey house steward upper end is arranged on air compressor lower end, pneumatic convey house steward lower end is connected with pneumatic convey arm A, pneumatic convey arm B, pneumatic convey arm C and pneumatic convey arm D, each pneumatic convey arm is clockwise and even circumferential distribution successively, the internal diameter of pneumatic convey house steward is d 1, the internal diameter of pneumatic convey arm is d 2and d 2= d 1/ 2, pneumatic convey arm A, the length of pneumatic convey arm C is l 1, the length of pneumatic convey arm B, pneumatic convey arm D is l 2and l 2= l 1/ 2, the knuckle of pneumatic convey house steward and pneumatic convey arm junction is r 1, the fillet of pneumatic convey arm corner is r 2and r 2= r 1/ 2, described pulping cutter is welded on 4 pneumatic convey arms with the form often organizing 6, upper, middle and lower respectively, and the lower surface of pulping cutter is triangular sawtooth structure, and pulping cutter thickness is b 1and its numerical values recited is b 1= d 2/ 2, pulping cutter length is l 3and l 3=8 b 1, described liquid slurry generating apparatus starches cylinder by liquid and liquid slurry cover forms, liquid slurry cylinder is columnar structured, liquid slurry cover is arranged on liquid slurry cylinder by liquid slurry cover hold-down screw, liquid slurry cylinder is built with the mixed liquor of aqueous water and particle, liquid slurry cylinder bottom surface is provided with pillar, pillar is 4 and circumference is uniformly distributed, liquid slurry cylinder lower end side is provided with discharging opening, liquid slurry cover starches cover outer ring by liquid, liquid slurry cover brace summer, liquid slurry cover inner ring and air compressing support composition, liquid slurry cover outer ring, liquid slurry cover inner ring and air compressing support are cirque structure, liquid slurry cover brace summer is square structure, its quantity is 8 and circumference is uniformly distributed, space is therebetween water inlet charging aperture, air compressing support center has circular hole, for installing pneumatic convey house steward.
CN201510335508.1A 2015-06-17 2015-06-17 Multi-pipe airflow-impact kinetic energy pulping equipment with triangular sawtooth-shaped pulping knives Expired - Fee Related CN105040495B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638097A (en) * 2016-10-18 2017-05-10 中山市为客包装制品有限公司 Paper making beater
CN107675539A (en) * 2017-10-23 2018-02-09 济南大学 A kind of reciprocating multi-cavity gas shock and the pulping equipment for shearing pulping
CN107747247A (en) * 2017-10-09 2018-03-02 济南大学 A kind of pulping equipment based on reciprocal shearing disturbed flow type pulping
CN108221428A (en) * 2017-12-23 2018-06-29 董晓 A kind of waste paper pulper
CN108951245A (en) * 2018-07-26 2018-12-07 牛彩云 A kind of printing equipment papermaking pulping device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214982A (en) * 1977-08-27 1980-07-29 J. M. Voith Gmbh Process and device for removing printer's ink from a fiber suspension
CN104372702A (en) * 2014-12-15 2015-02-25 济南大学 Pulper low in power consumption and noise
CN104631170A (en) * 2015-02-14 2015-05-20 济南大学 Vertical and horizontal double type efficient pulp shredder driven by single motor and without blind region
CN104631171A (en) * 2015-03-02 2015-05-20 济南大学 Partitioned-pulping efficient pulper
CN204715120U (en) * 2015-06-17 2015-10-21 济南大学 A kind of Multi-tube airflow impact kinetic energy pulp crushing apparatus with triangle zigzag pulping cutter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214982A (en) * 1977-08-27 1980-07-29 J. M. Voith Gmbh Process and device for removing printer's ink from a fiber suspension
CN104372702A (en) * 2014-12-15 2015-02-25 济南大学 Pulper low in power consumption and noise
CN104631170A (en) * 2015-02-14 2015-05-20 济南大学 Vertical and horizontal double type efficient pulp shredder driven by single motor and without blind region
CN104631171A (en) * 2015-03-02 2015-05-20 济南大学 Partitioned-pulping efficient pulper
CN204715120U (en) * 2015-06-17 2015-10-21 济南大学 A kind of Multi-tube airflow impact kinetic energy pulp crushing apparatus with triangle zigzag pulping cutter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638097A (en) * 2016-10-18 2017-05-10 中山市为客包装制品有限公司 Paper making beater
CN107747247A (en) * 2017-10-09 2018-03-02 济南大学 A kind of pulping equipment based on reciprocal shearing disturbed flow type pulping
CN107675539A (en) * 2017-10-23 2018-02-09 济南大学 A kind of reciprocating multi-cavity gas shock and the pulping equipment for shearing pulping
CN108221428A (en) * 2017-12-23 2018-06-29 董晓 A kind of waste paper pulper
CN108951245A (en) * 2018-07-26 2018-12-07 牛彩云 A kind of printing equipment papermaking pulping device

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