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CN111979814A - Processing system and method for paper fiber alternative raw material - Google Patents

Processing system and method for paper fiber alternative raw material Download PDF

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Publication number
CN111979814A
CN111979814A CN202010696922.6A CN202010696922A CN111979814A CN 111979814 A CN111979814 A CN 111979814A CN 202010696922 A CN202010696922 A CN 202010696922A CN 111979814 A CN111979814 A CN 111979814A
Authority
CN
China
Prior art keywords
raw material
processing system
paper fiber
screen
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010696922.6A
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Chinese (zh)
Inventor
魏依中
余良柱
祝孝林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nine Dragon Paper Industries Quanzhou Co ltd
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Nine Dragon Paper Industries Quanzhou Co ltd
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Application filed by Nine Dragon Paper Industries Quanzhou Co ltd filed Critical Nine Dragon Paper Industries Quanzhou Co ltd
Priority to CN202010696922.6A priority Critical patent/CN111979814A/en
Publication of CN111979814A publication Critical patent/CN111979814A/en
Pending legal-status Critical Current

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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
    • D21B1/34Kneading or mixing; Pulpers
    • D21B1/345Pulpers
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20Methods of refining
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/02Straining or screening the pulp

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Abstract

The invention provides a paper fiber alternative raw material processing system and a method thereof, which comprises a pulper and a discharge pump, the pulper and the discharge pump are connected with each other to realize preliminary crushing and mixing, the rear part of the discharge pump is connected with a high-concentration slag separator to realize preliminary impurity removal, the high-concentration slag remover comprises a mixing turntable, a rotating wheel shaft and an external cover body, the mixing turntable is mutually connected with the external cover body through the rotating wheel shaft, the high-concentration slag remover also comprises a plurality of annular traveling parts for guiding the flow direction of raw materials, the plurality of annular traveling parts are a plurality of strip-shaped grooves which are arranged inside the plurality of annular traveling parts and are spaced from each other, the longitudinal section of each annular traveling part is of a trapezoidal structure, so that impurities are gradually layered, through setting up multichannel filterable high concentration scummer to improve raw materials and mix the effect, reduce the impurity in the thick liquids, promote into paper quality.

Description

Processing system and method for paper fiber alternative raw material
Technical Field
The invention relates to the field of papermaking equipment, in particular to a system and a method for processing a paper fiber alternative raw material.
Background
The equipment investment of the paper making industry accounts for 60 percent of the total investment amount, and the automation degree is higher than that of the common paper making industry; about 1.2-2 million yuan is required to be invested for each ten thousand tons of pulp production capacity; each ten thousand tons of paper pulp and paper board needs about 1-1.2 million yuan of capital investment, and the fixed capital occupation of the hundred yuan of output value is similar to that of the industries of metallurgy, petroleum and chemical industry. The paper making industry takes the original plant fiber of wood, bamboo, reed and the like and the regenerated fiber of waste paper and the like as raw materials, belongs to the resource constraint industry, and has extremely high dependence degree on fiber sources. Compared with the state that the forest coverage rate is high and the raw material resources are rich in the world of the main pulping and papermaking countries, the contradiction between supply and demand of the fiber raw materials in China is prominent.
With the annual decline of the national solid waste import amount, the contradiction between the supply and demand of the waste paper is more prominent, and the search and increase of the use of the alternative raw materials are imperative.
Disclosure of Invention
The invention aims to provide a processing system and a processing method for paper fiber replacing raw materials, which improve the raw material mixing effect, reduce impurities in slurry and improve the paper quality by arranging a plurality of high-concentration filter separators for filtering, and the specific scheme is as follows:
the utility model provides a paper fibre substitutes raw materials system of processing, includes pulper and unloading pump, the pulper and thereby the pump interconnect of unloading realizes tentatively smashing the mixture, thereby unloading pump rear portion is connected with the tentatively edulcoration of high concentration scummer, the high concentration scummer is including mixing carousel, rotatory shaft and the outside cover body, the mixed carousel passes through rotatory shaft with outside cover body interconnect, thereby the high concentration scummer still includes the flow direction of multichannel circulation portion guide raw materials, multichannel circulation portion is for setting up a plurality of mutual spaced bar grooves of multichannel circulation portion inside, thereby the longitudinal section of multichannel circulation portion realizes impurity layering gradually for the trapezium structure.
Preferably, the high-concentration slag separator further comprises a first-stage filter, a second-stage filter and a third-stage filter, and the first-stage filter, the second-stage filter and the third-stage filter are designed in a mutually separated mode, so that impurities are gradually filtered.
Preferably, the paper fiber alternative feedstock processing system further comprises an alternative feedstock pipe, a flake caustic pipe, and a wood cellulase pipe, the alternative feedstock pipe, flake caustic pipe, and wood cellulase pipe being interconnected with the pulper to provide a feedstock.
Preferably, the paper fiber substitute raw material processing system further comprises a substitute raw material storage tank, wherein one end of the substitute raw material storage tank is connected with the pressure screen, and the other end of the substitute raw material storage tank is connected with the high-concentration slag remover.
Preferably, the paper fiber substitute raw material processing system further comprises a pressure screen and a classifying screen forebay, wherein one end of the pressure screen is connected with the classifying screen forebay, and the other end of the pressure screen is connected with the substitute raw material storage tank.
Preferably, the paper fiber alternative raw material processing system further comprises a grinder, wherein a primary grinding plate and a secondary grinding plate are arranged inside the grinder, and the primary grinding plate is arranged on the outer side of the secondary grinding plate so as to improve the grinding effect of the cellulose fibers.
Preferably, the paper fiber alternative raw material processing system further comprises a classifying screen, and the classifying screen is connected with the classifying screen forebay.
Preferably, the paper fiber substitute raw material processing system further comprises a heat spreader interconnected with the classifying screen to promote a heat spreading effect.
Preferably, the paper fiber alternative raw material processing system further comprises a pulp forming pool, wherein one end of the pulp forming pool is connected with the heat disperser, and the other end of the pulp forming pool is connected with the mill.
A processing method of a paper fiber alternative raw material adopts the paper fiber alternative raw material processing system, and comprises the following steps: the raw materials in the raw material pipe, the flake caustic soda pipe and the wood fiber enzyme pipe are replaced and added into a pulper together for pulping, and the raw materials are fully mixed and reacted; then the fine pulp is conveyed to a high-concentration slag separator by a discharge pump to remove heavy impurities, and the fine pulp is subjected to primary classification by a pressure sieve; discharging the coarse wood fibers to a substitute raw material storage tank, and pumping to a mill for pulping; sending the ground slurry and the fine fibers screened out by the pressure screen to a front pool of the grading screen, and pumping the slurry in the front pool of the grading screen to the grading screen again for secondary grading; and (4) sending the classified long fibers to a heat disperser for further processing to finish the slurry treatment.
The invention provides a paper fiber alternative raw material processing system and a method thereof, which comprises a pulper and a discharge pump, the pulper and the discharge pump are connected with each other to realize preliminary crushing and mixing, the rear part of the discharge pump is connected with a high-concentration slag separator to realize preliminary impurity removal, the high-concentration slag remover comprises a mixing turntable, a rotating wheel shaft and an external cover body, the mixing turntable is mutually connected with the external cover body through the rotating wheel shaft, the high-concentration slag remover also comprises a plurality of annular traveling parts for guiding the flow direction of raw materials, the plurality of annular traveling parts are a plurality of strip-shaped grooves which are arranged inside the plurality of annular traveling parts and are spaced from each other, the longitudinal section of each annular traveling part is of a trapezoidal structure, so that impurities are gradually layered, through setting up multichannel filterable high concentration scummer to improve raw materials and mix the effect, reduce the impurity in the thick liquids, promote into paper quality.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall block diagram of a paper fiber alternative feedstock processing system of the present invention;
FIG. 2 is a block diagram of a high consistency cleaner of the paper fiber alternative stock processing system of the present invention;
FIG. 3 is a block diagram of a high consistency cleaner of the paper fiber alternative stock processing system of the present invention;
FIG. 4 is a block diagram of a mill of the paper fiber alternative feedstock processing system of the present invention;
FIG. 5 is a flow chart of a method of processing a paper fiber substitute stock in accordance with the present invention.
In the above figures:
1. a pulper; 2. a discharge pump; 3. a high-concentration slag remover; 31. a mixing carousel; 32. rotating the wheel shaft; 33. an outer cover; 34. a plurality of loop swimming parts; 35. a first stage filter; 36. a secondary filter; 37. a third filter; 4. replacing the raw material pipe; 5. a flake caustic tube; 6. a wood fiber enzyme tube; 7. an alternative feedstock storage tank; 8. a pressure screen; 9. a classifying screen forebay; 10. grinding; 101. grinding at a first stage; 102. secondary grinding; 11. grading and screening; 12. a heat spreader; 13. and (4) a pulping tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The utility model provides a paper fibre replaces raw materials system of processing and method, includes pulper 1 and unloading pump 2, pulper 1 and thereby 2 interconnect of unloading pump realize preliminary crushing mixture, thereby 2 rear portions of unloading pump are connected with high concentration scummer 3 and realize preliminary edulcoration, high concentration scummer 3 is including mixing carousel 31, rotatory shaft 32 and external cover body 33, mixing carousel 31 passes through rotatory shaft 32 with external cover body 33 interconnect, thereby high concentration scummer 3 still includes the flow direction of multichannel ring trip portion 34 guide raw materials, multichannel ring trip portion 34 is for setting up a plurality of mutual spaced bar grooves inside multichannel ring trip portion 34, thereby the longitudinal section of multichannel ring trip portion 34 realizes impurity layering gradually for the trapezium structure, carries out the specification to it below through concrete embodiment.
Referring to fig. 1, the overall structure of a paper fiber alternative raw material processing system according to the present invention includes a pulper 1 and a discharge pump 2, the pulper 1 and the discharge pump 2 are connected to each other to achieve preliminary pulverization and mixing, and a high concentration slag remover 3 is connected to the rear of the discharge pump 2 to achieve preliminary impurity removal.
Referring to fig. 2, a structure of a high concentration slag remover 3 of the paper fiber alternative raw material processing system according to the present invention includes a mixing turntable 31, a rotating wheel shaft 32, and an outer cover 33, wherein the mixing turntable 31 is connected to the outer cover 33 through the rotating wheel shaft 32, the high concentration slag remover 3 further includes a plurality of ring-moving portions 34 for guiding a flow direction of a raw material, and the plurality of ring-moving portions 34 are a plurality of mutually spaced strip-shaped grooves disposed inside the plurality of ring-moving portions 34.
Referring to fig. 3, in the structure of the high-concentration slag remover 3 of the paper fiber alternative raw material processing system according to the present invention, the longitudinal section of the multi-pass loop 34 has a trapezoidal structure to gradually layer the impurities.
Further, the high-concentration slag separator 3 further comprises a first-stage filter 35, a second-stage filter 36 and a third-stage filter 37, wherein the first-stage filter 35, the second-stage filter 36 and the third-stage filter 37 are designed in a separated mode, so that impurities are gradually filtered.
Furthermore, the paper fiber alternative raw material processing system further comprises an alternative raw material pipe 4, a flake caustic soda pipe 5 and a wood fiber enzyme pipe 6, wherein the alternative raw material pipe 4, the flake caustic soda pipe 5 and the wood fiber enzyme pipe 6 are connected with the pulper 1 to provide raw materials.
In order to improve the stability of the pulp, the paper fiber substitute raw material processing system further comprises a substitute raw material storage tank 7, one end of the substitute raw material storage tank 7 is connected with the pressure screen 8, and the other end of the substitute raw material storage tank 7 is connected with the high-concentration slag remover 3.
Further, the paper fiber substitute raw material processing system further comprises a pressure screen 8 and a classifying screen 11 front pool 9, wherein one end of the pressure screen 8 is connected with the classifying screen 11 front pool 9, and the other end of the pressure screen 8 is connected with the substitute raw material storage tank 7.
Referring to fig. 4, a structure of a refiner 10 of a paper fiber alternative raw material processing system according to the present invention further includes the refiner 10, a primary refiner plate 101 and a secondary refiner plate 102 are disposed inside the refiner 10, and the primary refiner plate 101 is disposed outside the secondary refiner plate 102 to improve a refining effect of cellulose fibers.
Further, the paper fiber alternative raw material processing system further comprises a classifying screen 11, and the classifying screen 11 is connected with the front pool 9 of the classifying screen 11.
Further, the paper fiber substitute raw material processing system further includes a heat spreader 12, and the heat spreader 12 and the classifying screen 11 are connected to each other to promote a heat spreading effect.
With continued reference to fig. 1, the paper fiber alternative feedstock processing system further includes a machine chest 13, wherein one end of the machine chest 13 is interconnected with the heat spreader 12 and the other end is interconnected with the mill 10.
Referring to fig. 5, a flow chart of a processing method of a paper fiber alternative raw material according to the present invention, which adopts the processing system of the paper fiber alternative raw material, includes the following steps:
the raw materials in the raw material pipe 4, the flake caustic soda pipe 5 and the wood fiber enzyme pipe 6 are replaced and added into the pulper 1 together for pulping, and the materials are fully mixed and reacted; then the fine pulp is sent to a high-concentration slag separator 3 by a discharging pump 2 to remove heavy impurities, and the fine pulp is subjected to primary classification by a pressure sieve 8; discharging the coarse wood fibers to a substitute raw material storage tank 7, and pumping to a mill 10 for pulping; the ground slurry and the fine fibers separated by the pressure screen 8 are sent to a front pool 9 of a grading screen 11, and the slurry in the front pool 9 of the grading screen 11 is pumped to the grading screen 11 again for secondary grading; the classified long fibers are sent to a heat disperser 12 for further processing, and the slurry treatment is completed.
The invention provides a paper fiber alternative raw material processing system and a method thereof, the system comprises a pulper 1 and a discharge pump 2, the pulper 1 and the discharge pump 2 are connected with each other to realize primary crushing and mixing, the rear part of the discharge pump 2 is connected with a high-concentration slag separator 3 to realize primary impurity removal, the high-concentration slag separator 3 comprises a mixing turntable 31, a rotating wheel shaft 32 and an outer cover body 33, the mixing turntable 31 is connected with the outer cover body 33 through the rotating wheel shaft 32, the high-concentration slag separator 3 further comprises a plurality of annular traveling parts 34 to guide the flow direction of raw materials, the plurality of annular traveling parts 34 are a plurality of strip-shaped grooves which are arranged in the plurality of annular traveling parts 34 and are spaced with each other, the longitudinal section of the plurality of annular traveling parts 34 is of a trapezoid structure to realize gradual layering of impurities, and the high-concentration slag separator 3 for filtering is arranged to improve the mixing effect of the plurality of raw materials, Reduce the impurities in the pulp and improve the quality of finished paper.
The above-described aspects may be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing the relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a magnetic or optical disk, and the like. Alternatively, all or part of the steps of the foregoing embodiments may also be implemented by using one or more integrated circuits, and accordingly, each device/unit in the foregoing embodiments may be implemented in a form of hardware, and may also be implemented in a form of software functional device. The present invention is not limited to any specific form of combination of hardware and software.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely to illustrate the technical solutions of the present invention and not to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it is intended to cover the appended claims in the present application.

Claims (10)

1. The utility model provides a paper fibre substitutes raw materials system of processing, a serial communication port, including pulper and unloading pump, the pulper and thereby the pump interconnect of unloading realizes tentatively smashing the mixture, thereby unloading pump rear portion is connected with the tentatively edulcoration of high concentration scummer realization, high concentration scummer is including mixing carousel, rotatory shaft and the external cover body, mix the carousel and pass through rotatory shaft with external cover body interconnect, thereby high concentration scummer still includes the flow direction of multichannel ring trip portion guide raw materials, thereby multichannel ring trip portion is for setting up a plurality of mutual spaced bar grooves inside multichannel ring trip portion, thereby the longitudinal section of multichannel ring trip portion realizes impurity layering gradually for the trapezium structure.
2. The paper fiber substitute raw material processing system according to claim 1, wherein the high consistency cleaner further comprises a primary filter, a secondary filter and a tertiary filter, the primary filter, the secondary filter and the tertiary filter being designed to be separated from each other so as to achieve gradual filtration of the impurities.
3. The paper fiber alternative feedstock processing system of claim 2, further comprising an alternative feedstock pipe, a flake caustic pipe, and a wood cellulase pipe, wherein the alternative feedstock pipe, flake caustic pipe, and wood cellulase pipe are interconnected with the pulper to provide a feedstock.
4. The paper fiber substitute raw material processing system according to claim 3, further comprising a substitute raw material storage tank, wherein one end of the substitute raw material storage tank is connected to the pressure screen and the other end of the substitute raw material storage tank is connected to the high consistency cleaner.
5. The paper fiber substitute raw material processing system of claim 4, further comprising a pressure screen and a classifying screen forebay, wherein one end of the pressure screen is interconnected with the classifying screen forebay, and the other end of the pressure screen is interconnected with the substitute raw material storage tank.
6. The paper fiber substitute raw material processing system of claim 5, further comprising a refiner having a primary refiner plate and a secondary refiner plate disposed therein, the primary refiner plate being disposed outside the secondary refiner plate to enhance the refining of the cellulose fibers.
7. The paper fiber substitute raw material processing system of claim 6, further comprising a sizing screen interconnected to the sizing screen forebay.
8. The paper fiber substitute stock processing system of claim 7, further comprising a heat spreader interconnected to the sizing screen to facilitate heat spreading.
9. The paper fiber substitute stock processing system of claim 8, further comprising a machine chest interconnected at one end to the heat spreader and at another end to the mill.
10. A paper fiber alternative raw material processing method using the paper fiber alternative raw material processing system according to any one of claims 1 to 9, characterized by comprising the steps of:
s1, replacing the raw materials in the raw material pipe, the flake caustic soda pipe and the wood fiber enzyme pipe, adding the raw materials into a pulper together for pulping, and fully mixing and reacting;
s2, conveying the fine pulp to a high-concentration slag separator through a discharge pump to remove heavy impurities, and performing primary classification on the fine pulp through a pressure screen;
s3, discharging the coarse wood fibers to a substitute raw material storage tank, and pumping to a mill for pulping;
s4, sending the polished slurry and the fine fibers screened out by pressure screening to a front pool of a grading screen, and pumping the slurry in the front pool of the grading screen to the grading screen again for secondary grading;
and S5, sending the classified long fibers to a heat disperser for further processing, and finishing the slurry treatment.
CN202010696922.6A 2020-07-20 2020-07-20 Processing system and method for paper fiber alternative raw material Pending CN111979814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010696922.6A CN111979814A (en) 2020-07-20 2020-07-20 Processing system and method for paper fiber alternative raw material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010696922.6A CN111979814A (en) 2020-07-20 2020-07-20 Processing system and method for paper fiber alternative raw material

Publications (1)

Publication Number Publication Date
CN111979814A true CN111979814A (en) 2020-11-24

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Application Number Title Priority Date Filing Date
CN202010696922.6A Pending CN111979814A (en) 2020-07-20 2020-07-20 Processing system and method for paper fiber alternative raw material

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230089779A1 (en) * 2021-09-17 2023-03-23 Yi Chun Green Technology Co., Ltd. Fiber raw materials processing system and operating method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230089779A1 (en) * 2021-09-17 2023-03-23 Yi Chun Green Technology Co., Ltd. Fiber raw materials processing system and operating method thereof
US20230090670A1 (en) * 2021-09-17 2023-03-23 Yi Chun Green Technology Co., Ltd. Liquid-absorbing raw materials processing system and operating method thereof
US12162052B2 (en) * 2021-09-17 2024-12-10 Yi Chun Green Technology Co., Ltd. Fiber raw materials processing system and operating method thereof
US12168251B2 (en) * 2021-09-17 2024-12-17 Yi Chun Green Technology Co., Ltd. Liquid-absorbing raw materials processing system and operating method thereof

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