CN112575575A - Hole expanding method for activated carbon fiber - Google Patents

Hole expanding method for activated carbon fiber Download PDF

Info

Publication number
CN112575575A
CN112575575A CN202010703910.1A CN202010703910A CN112575575A CN 112575575 A CN112575575 A CN 112575575A CN 202010703910 A CN202010703910 A CN 202010703910A CN 112575575 A CN112575575 A CN 112575575A
Authority
CN
China
Prior art keywords
activated carbon
carbon fiber
cleaning
drying
time
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
CN202010703910.1A
Other languages
Chinese (zh)
Inventor
金珊珊
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.)
Suzhou Yuanhao New Textile Technology Co ltd
Original Assignee
Suzhou Yuanhao New Textile Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Yuanhao New Textile Technology Co ltd filed Critical Suzhou Yuanhao New Textile Technology Co ltd
Priority to CN202010703910.1A priority Critical patent/CN112575575A/en
Priority to PCT/CN2020/112095 priority patent/WO2022016663A1/en
Publication of CN112575575A publication Critical patent/CN112575575A/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • D02J13/001—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass in a tube or vessel
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/44—Oxides or hydroxides of elements of Groups 2 or 12 of the Periodic Table; Zincates; Cadmates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/49—Oxides or hydroxides of elements of Groups 8, 9,10 or 18 of the Periodic Table; Ferrates; Cobaltates; Nickelates; Ruthenates; Osmates; Rhodates; Iridates; Palladates; Platinates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
    • D06M11/59—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with ammonia; with complexes of organic amines with inorganic substances
    • D06M11/60—Ammonia as a gas or in solution
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/144—Alcohols; Metal alcoholates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
    • D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
    • D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
    • D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
    • D06M13/262—Sulfated compounds thiosulfates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/35—Heterocyclic compounds
    • D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/53—Polyethers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/40—Fibres of carbon

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Fibers (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

The invention discloses a hole expanding method of activated carbon fibers, which comprises the following steps: A. removing impurities: sending the activated carbon fiber into an electrostatic impurity removal box for surface impurity removal treatment; B. cleaning for the first time: the activated carbon fiber after impurity removal is sent into a cleaning box for cleaning treatment; C. drying for the first time: feeding the cleaned activated carbon fiber into a drying box for drying treatment; D. first modification: and placing the dried activated carbon fiber in magnesium powder for reaction for 30-70min, wherein the reaction temperature is 900-1300 ℃. According to the invention, the activated carbon fiber is firstly modified in magnesium powder, secondly modified by high-temperature ammonia gas and nitrogen gas in a tubular furnace, and finally, is soaked in a surfactant and then is modified for the third time in a mixed gas of nitrogen gas, water vapor and carbon dioxide, so that the hole expanding effect of the activated carbon fiber can be effectively improved, and the overall strength of the activated carbon fiber is not influenced, thereby the market competitiveness of the activated carbon fiber is expanded, and the activated carbon fiber accords with the benefits of enterprises.

Description

Hole expanding method for activated carbon fiber
Technical Field
The invention relates to the technical field of fibers, in particular to a hole expanding method of activated carbon fibers.
Background
The fiber is a substance consisting of continuous or discontinuous filaments, plays an important role in the aspect of a fiber system tissue in an animal body and a plant body, has wide fiber application, can be woven into fine threads, thread ends and hemp ropes, can be woven into a fiber layer in papermaking or felt weaving, is also commonly used for manufacturing other materials, and forms a composite material together with other materials.
Disclosure of Invention
The invention aims to provide a hole expanding method of activated carbon fibers, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the hole expanding method of the activated carbon fiber comprises the following steps:
A. removing impurities: sending the activated carbon fiber into an electrostatic impurity removal box for surface impurity removal treatment;
B. cleaning for the first time: the activated carbon fiber after impurity removal is sent into a cleaning box for cleaning treatment;
C. drying for the first time: feeding the cleaned activated carbon fiber into a drying box for drying treatment;
D. first modification: placing the dried activated carbon fiber in magnesium powder for reaction for 30-70min, wherein the reaction temperature is 900-1300 ℃;
E. and (3) cleaning for the second time: sending the modified activated carbon fiber into a cleaning box for cleaning;
F. and (5) drying for the second time: feeding the cleaned activated carbon fiber into a drying box for drying treatment;
G. and (3) second modification: placing the dried activated carbon fiber in a tubular furnace for high-temperature ammonia modification, then placing the modified activated carbon fiber in the tubular furnace, continuously heating to 300 ℃ at a certain heating rate under a nitrogen atmosphere, then switching to an ammonia atmosphere, continuously heating to 900-1100 ℃, and performing high-temperature modification at the temperature for 2-3 h;
H. and (3) cleaning for the third time: sending the modified activated carbon fiber into a cleaning box for cleaning;
I. and (3) drying for the third time: feeding the cleaned activated carbon fiber into a drying box for drying treatment;
J. soaking: soaking the dried activated carbon fiber in an ethanol solution, and adding hydroxide serving as a pore-expanding agent into the ethanol solution;
K. and (3) third modification: continuously soaking the soaked activated carbon fiber in a surfactant, heating for 2-4h under the protection of nitrogen at the temperature of 300-;
l, fourth cleaning: sending the activated carbon fiber modified for the third time into a cleaning box for cleaning treatment;
m, fourth drying: and (3) conveying the cleaned activated carbon fiber into a drying box for drying treatment to obtain the expanded activated carbon fiber.
Preferably, the cleaning solutions in steps B, F, H and L are plasma water, the cleaning modes are ultrasonic oscillation cleaning, the frequency of the ultrasonic wave is 60-80Hz, the oscillation time is 40-80min, the cleaning box is further provided with a heater, the heater is one of a high-frequency induction heater, an inner coil heater or an electrode heater, and the temperature of the heater is 50-70 ℃.
Preferably, the hydroxide in step J is one of ferric hydroxide, ferrous hydroxide, zinc hydroxide, magnesium hydroxide, cobalt hydroxide, sodium hydroxide, potassium hydroxide, barium hydroxide or lithium hydroxide.
Preferably, step G further comprises, before the nitrogen gas heating: the temperature is programmed to rise under the condition of continuous nitrogen introduction, and the temperature rise rate is set to be 10-20 ℃/min, and the calcination is carried out for 2.5-4h within the temperature range of 900-1100 ℃.
Preferably, the surfactant in step K is one of cetylpyridinium chloride, sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, tween or span.
Preferably, the drying temperature in the steps C, F, I and M is 100-150 ℃, and the drying time is 60-90 min.
Preferably, the soaking temperature in the steps J and K is 80-100 ℃, the soaking time is 4-6h, and the stirring is carried out once every 30-60min, and each stirring is carried out for 2-4 min.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the activated carbon fiber is firstly modified in magnesium powder, secondly modified by high-temperature ammonia gas and nitrogen gas in a tubular furnace, and finally, is soaked in a surfactant and then is modified for the third time in a mixed gas of nitrogen gas, water vapor and carbon dioxide, so that the hole expanding effect of the activated carbon fiber can be effectively improved, and the overall strength of the activated carbon fiber is not influenced, thereby the market competitiveness of the activated carbon fiber is expanded, and the activated carbon fiber accords with the benefits of enterprises.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The hole expanding method of the activated carbon fiber comprises the following steps:
A. removing impurities: sending the activated carbon fiber into an electrostatic impurity removal box for surface impurity removal treatment;
B. cleaning for the first time: the activated carbon fiber after impurity removal is sent into a cleaning box for cleaning treatment;
C. drying for the first time: feeding the cleaned activated carbon fiber into a drying box for drying treatment;
D. first modification: placing the dried activated carbon fiber in magnesium powder for reaction for 30-70min, wherein the reaction temperature is 900-1300 ℃;
E. and (3) cleaning for the second time: sending the modified activated carbon fiber into a cleaning box for cleaning;
F. and (5) drying for the second time: feeding the cleaned activated carbon fiber into a drying box for drying treatment;
G. and (3) second modification: placing the dried activated carbon fiber in a tubular furnace for high-temperature ammonia modification, then placing the modified activated carbon fiber in the tubular furnace, continuously heating to 300 ℃ at a certain heating rate under a nitrogen atmosphere, then switching to an ammonia atmosphere, continuously heating to 900-1100 ℃, and performing high-temperature modification at the temperature for 2-3 h;
H. and (3) cleaning for the third time: sending the modified activated carbon fiber into a cleaning box for cleaning;
I. and (3) drying for the third time: feeding the cleaned activated carbon fiber into a drying box for drying treatment;
J. soaking: soaking the dried activated carbon fiber in an ethanol solution, and adding hydroxide serving as a pore-expanding agent into the ethanol solution;
K. and (3) third modification: continuously soaking the soaked activated carbon fiber in a surfactant, heating for 2-4h under the protection of nitrogen at the temperature of 300-;
l, fourth cleaning: sending the activated carbon fiber modified for the third time into a cleaning box for cleaning treatment;
m, fourth drying: and (3) conveying the cleaned activated carbon fiber into a drying box for drying treatment to obtain the expanded activated carbon fiber.
Carry out the first modification with activated carbon fiber in the magnesium powder, carry out high temperature ammonia and nitrogen gas in the tube furnace and carry out the second modification, carry out the third modification in the mist of nitrogen gas, vapor and carbon dioxide after soaking in surfactant active at last, can effectively improve activated carbon fiber's reaming effect, and do not exert an influence to activated carbon fiber's bulk strength to its market competition has been enlarged, the benefit that accords with enterprise self.
The cleaning liquid in steps B, F, H and L is plasma water, the cleaning mode is ultrasonic oscillation cleaning, the frequency of ultrasonic is 60-80Hz, the oscillation time is 40-80min, the cleaning box is also provided with a heater, the heater is one of a high-frequency induction heater, an inner coil heater or an electrode heater, and the temperature of the heater is 50-70 ℃.
The hydroxide in the step J is one of ferric hydroxide, ferrous hydroxide, zinc hydroxide, magnesium hydroxide, cobalt hydroxide, sodium hydroxide, potassium hydroxide, barium hydroxide or lithium hydroxide.
Step G also comprises nitrogen heating before: the temperature is programmed to rise under the condition of continuous nitrogen introduction, and the temperature rise rate is set to be 10-20 ℃/min, and the calcination is carried out for 2.5-4h within the temperature range of 900-1100 ℃.
The surfactant in the step K is one of cetylpyridinium chloride, sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, tween or span.
The drying temperature in steps C, F, I and M is 100-150 ℃, and the drying time is 60-90 min.
The soaking temperature in the steps J and K is 80-100 ℃, the soaking time is 4-6h, and simultaneously, the stirring is carried out once at intervals of 30-60min, and each stirring time is 2-4 min.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The hole expanding method of the activated carbon fiber is characterized in that: the hole expanding method comprises the following steps:
A. removing impurities: sending the activated carbon fiber into an electrostatic impurity removal box for surface impurity removal treatment;
B. cleaning for the first time: the activated carbon fiber after impurity removal is sent into a cleaning box for cleaning treatment;
C. drying for the first time: feeding the cleaned activated carbon fiber into a drying box for drying treatment;
D. first modification: placing the dried activated carbon fiber in magnesium powder for reaction for 30-70min, wherein the reaction temperature is 900-1300 ℃;
E. and (3) cleaning for the second time: sending the modified activated carbon fiber into a cleaning box for cleaning;
F. and (5) drying for the second time: feeding the cleaned activated carbon fiber into a drying box for drying treatment;
G. and (3) second modification: placing the dried activated carbon fiber in a tubular furnace for high-temperature ammonia modification, then placing the modified activated carbon fiber in the tubular furnace, continuously heating to 300 ℃ at a certain heating rate under a nitrogen atmosphere, then switching to an ammonia atmosphere, continuously heating to 900-1100 ℃, and performing high-temperature modification at the temperature for 2-3 h;
H. and (3) cleaning for the third time: sending the modified activated carbon fiber into a cleaning box for cleaning;
I. and (3) drying for the third time: feeding the cleaned activated carbon fiber into a drying box for drying treatment;
J. soaking: soaking the dried activated carbon fiber in an ethanol solution, and adding hydroxide serving as a pore-expanding agent into the ethanol solution;
K. and (3) third modification: continuously soaking the soaked activated carbon fiber in a surfactant, heating for 2-4h under the protection of nitrogen at the temperature of 300-;
l, fourth cleaning: sending the activated carbon fiber modified for the third time into a cleaning box for cleaning treatment;
m, fourth drying: and (3) conveying the cleaned activated carbon fiber into a drying box for drying treatment to obtain the expanded activated carbon fiber.
2. The method of reaming an activated carbon fiber of claim 1, wherein: the cleaning liquid in the step B, F, H and the cleaning liquid in the step L are plasma water, the cleaning mode is ultrasonic oscillation cleaning, meanwhile, the frequency of the ultrasonic wave is 60-80Hz, the oscillation time is 40-80min, meanwhile, the cleaning box is also provided with a heater, the heater is one of a high-frequency induction heater, an inner coil heater or an electrode heater, and the temperature of the heater is 50-70 ℃.
3. The method of reaming an activated carbon fiber of claim 1, wherein: the hydroxide in the step J is one of ferric hydroxide, ferrous hydroxide, zinc hydroxide, magnesium hydroxide, cobalt hydroxide, sodium hydroxide, potassium hydroxide, barium hydroxide or lithium hydroxide.
4. The method of reaming an activated carbon fiber of claim 1, wherein: and G, nitrogen heating: the temperature is programmed to rise under the condition of continuous nitrogen introduction, and the temperature rise rate is set to be 10-20 ℃/min, and the calcination is carried out for 2.5-4h within the temperature range of 900-1100 ℃.
5. The method of reaming an activated carbon fiber of claim 1, wherein: and the surfactant in the step K is one of cetylpyridinium chloride, sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, tween or span.
6. The method of reaming an activated carbon fiber of claim 1, wherein: the drying temperature in the steps C, F, I and M is both 100 ℃ and 150 ℃, and the drying time is both 60-90 min.
7. The method of reaming an activated carbon fiber of claim 1, wherein: the soaking temperature in the steps J and K is 80-100 ℃, the soaking time is 4-6h, and the stirring is carried out once every 30-60min, and each stirring time is 2-4 min.
CN202010703910.1A 2020-07-21 2020-07-21 Hole expanding method for activated carbon fiber Pending CN112575575A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010703910.1A CN112575575A (en) 2020-07-21 2020-07-21 Hole expanding method for activated carbon fiber
PCT/CN2020/112095 WO2022016663A1 (en) 2020-07-21 2020-08-28 Reaming method for activated carbon fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010703910.1A CN112575575A (en) 2020-07-21 2020-07-21 Hole expanding method for activated carbon fiber

Publications (1)

Publication Number Publication Date
CN112575575A true CN112575575A (en) 2021-03-30

Family

ID=75119401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010703910.1A Pending CN112575575A (en) 2020-07-21 2020-07-21 Hole expanding method for activated carbon fiber

Country Status (2)

Country Link
CN (1) CN112575575A (en)
WO (1) WO2022016663A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6030698A (en) * 1994-12-19 2000-02-29 Lockheed Martin Energy Research Corporation Activated carbon fiber composite material and method of making
CN104275149A (en) * 2013-07-08 2015-01-14 中国石油大学(华东) Preparation method and application of modified activated carbon material
CN105858651A (en) * 2016-03-31 2016-08-17 覃淑兰 A preparing method of activated carbon
JP2017164741A (en) * 2016-03-15 2017-09-21 関西熱化学株式会社 Active carbon fiber for removing free chlorine, and treatment method of free chlorine-containing water using the same
CN107973296A (en) * 2017-11-28 2018-05-01 福建省鑫森炭业股份有限公司 A kind of large aperture activated carbon and preparation method thereof
CN108722357A (en) * 2018-06-14 2018-11-02 江苏新中金环保科技股份有限公司 SO in a kind of efficient absorption flue gas2Modified activated carbon preparation method
CN110407210A (en) * 2019-08-14 2019-11-05 江苏新中金环保科技股份有限公司 A kind of active carbon base catalytic desulfurizing process
CN110983495A (en) * 2019-12-17 2020-04-10 南通大学 Active carbon fiber hole expanding method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100371402B1 (en) * 1999-06-14 2003-02-07 주식회사 엘지화학 Activated carbon fiber with modified porous characteristic and modifying method thereof
CN102120179B (en) * 2011-01-18 2012-11-14 大连理工大学 Preparation method of modified activated carbon fiber for adsorbing ultra-micro sulfur dioxide
CN103447000B (en) * 2013-07-08 2015-02-11 中国石油大学(华东) Modification method of activated carbon fiber and application thereof
CN103623778A (en) * 2013-12-04 2014-03-12 扬州大学 Modification method for activated carbon fiber

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6030698A (en) * 1994-12-19 2000-02-29 Lockheed Martin Energy Research Corporation Activated carbon fiber composite material and method of making
CN104275149A (en) * 2013-07-08 2015-01-14 中国石油大学(华东) Preparation method and application of modified activated carbon material
JP2017164741A (en) * 2016-03-15 2017-09-21 関西熱化学株式会社 Active carbon fiber for removing free chlorine, and treatment method of free chlorine-containing water using the same
CN105858651A (en) * 2016-03-31 2016-08-17 覃淑兰 A preparing method of activated carbon
CN107973296A (en) * 2017-11-28 2018-05-01 福建省鑫森炭业股份有限公司 A kind of large aperture activated carbon and preparation method thereof
CN108722357A (en) * 2018-06-14 2018-11-02 江苏新中金环保科技股份有限公司 SO in a kind of efficient absorption flue gas2Modified activated carbon preparation method
CN110407210A (en) * 2019-08-14 2019-11-05 江苏新中金环保科技股份有限公司 A kind of active carbon base catalytic desulfurizing process
CN110983495A (en) * 2019-12-17 2020-04-10 南通大学 Active carbon fiber hole expanding method

Also Published As

Publication number Publication date
WO2022016663A1 (en) 2022-01-27

Similar Documents

Publication Publication Date Title
CN109650845B (en) Method for preparing silicon dioxide nanoparticle-graphene oxide-plant fiber compound
CN102492951B (en) Method for removing surface scale from titanium band
CN107500287A (en) A kind of production method of active carbon with high specific surface area
CN108486692B (en) High-strength high-modulus carbon fiber processing method and system
CN106608622A (en) Method for preparing hemp-stem-based active carbon through microwaves
CN106192363A (en) A kind of method of the surface modification of carbon fiber plasma grafting graphene oxide
CN106757384B (en) The production method of elastic extruding silk quilt
CN112575575A (en) Hole expanding method for activated carbon fiber
CN108707974B (en) Cocoon cooking process
CN107604661A (en) A kind of method for lifting apocynum fibre tension failure performance
CN105887210B (en) It is a kind of to improve the unwinding filature production technology with obvolvent stability of raw silks of fresh cocoons
CN105862137B (en) A kind of Nacl pupa killing for normal-temperature water filature handles silk cocoon method
CN101474516A (en) Cloth bag recovery method of lime burner powder precipitator
CN104445355B (en) A kind of method of preparing transition metal oxide nano managed network with bacteria cellulose
CN116654931A (en) Coal-based activated carbon activation process
CN108727876A (en) A kind of preparation method for the filler promoting fishing lines intensity and rotproofness
CN106744807B (en) A kind of nanoscale composite carbon and its application in terms of heavy metal-polluted soil reparation
CN107558161A (en) A kind of bafta desizing method
CN107815850A (en) A kind of method for material secondary use of weaving
CN113249995B (en) Clean and efficient separation method for biomass cellulose single fiber and lignin
CN107837651A (en) Acid hydrolysis tail gas processing method in a kind of sulfuric acid method titanium pigment production
CN112457052B (en) Method for removing metal impurities in carbon fiber heat-insulating material, carbon fiber heat-insulating material and application
CN111073026B (en) Bamboo cellulose aerogel thermal insulation material and preparation method and application thereof
CN106006638A (en) Preparation method of high-penetration microporous granular active carbon
JP3682849B2 (en) Method for producing metal carbon fiber composite

Legal Events

Date Code Title Description
DD01 Delivery of document by public notice

Addressee: Suzhou Yuanhao New Textile Technology Co.,Ltd.

Document name: Correction notice

Addressee: Suzhou Yuanhao New Textile Technology Co.,Ltd.

Document name: Notice of non patent agent (person)

DD01 Delivery of document by public notice
PB01 Publication
PB01 Publication
DD01 Delivery of document by public notice

Addressee: Patent director of Suzhou yuanhaoxin Textile Technology Co.,Ltd.

Document name: Notification of eligibility

DD01 Delivery of document by public notice
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210330

WD01 Invention patent application deemed withdrawn after publication