CN108841252A - A kind of label colored materials and preparation method thereof using sludge preparation - Google Patents

A kind of label colored materials and preparation method thereof using sludge preparation Download PDF

Info

Publication number
CN108841252A
CN108841252A CN201810739471.2A CN201810739471A CN108841252A CN 108841252 A CN108841252 A CN 108841252A CN 201810739471 A CN201810739471 A CN 201810739471A CN 108841252 A CN108841252 A CN 108841252A
Authority
CN
China
Prior art keywords
powder
mill base
base material
sludge
colored materials
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
CN201810739471.2A
Other languages
Chinese (zh)
Inventor
颜子博
彭丽
胡敏
戴安全
张钰明
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.)
Sichuan College of Architectural Technology
Original Assignee
Sichuan College of Architectural Technology
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 Sichuan College of Architectural Technology filed Critical Sichuan College of Architectural Technology
Priority to CN201810739471.2A priority Critical patent/CN108841252A/en
Publication of CN108841252A publication Critical patent/CN108841252A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D17/00Pigment pastes, e.g. for mixing in paints
    • C09D17/003Pigment pastes, e.g. for mixing in paints containing an organic pigment

Abstract

The present invention relates to the preparation fields of environmentally friendly colored materials, in particular to a kind of label colored materials and preparation method thereof using sludge preparation, the colored materials include by colored particles, what pigment material and cementing agent were mixed to prepare has mill base material, the colored particles include sewage sludge powder, the sewage sludge powder is made by sludge through drying and other treatment, the cementing agent is for assisting described having the molding of mill base material gel hardening, the colored materials preparation method is economic and environment-friendly simple, the sludge and life fallen leaves generated for sanitary sewage disposal provides preferable utilization ways, colored materials obtained use economic and environment-friendly pollution-free, it can reach the effect of conventional marking pen, it is substituted for the marking pen of label, so that reducing the use of marking pen, and then it reduces environmental pollution, using more convenient, the scope of application is wider.

Description

A kind of label colored materials and preparation method thereof using sludge preparation
Technical field
The present invention relates to the preparation field of environmentally friendly colored materials, in particular to a kind of label using sludge preparation is with coloured Material and preparation method thereof.
Background technique
With the increasingly urbanization of population increasingly increased with world, the yield of city domestic sewage is increasing, The sludge of byproduct as municipal sewage treatment is also more and more, and sewage sludge is thick between liquid and solid Object can use pump transport, but be difficult to be separated by solid-liquid separation by sedimentation, currently, the sludge that municipal sewage treatment generates, mainly Harmless treatment is carried out by the way of anaerobism, aerobic, compost or sanitary landfills.
But contain a large amount of organic debris, inorganic particle, microorganism in the sludge of city domestic sewage processing generation And colloid, moisture content may be up to 99%, need to put into more equipment using the Treatment of Sludge that above-mentioned harmless treatment mode carries out And venue cost, increase the manpower and material resources cost of sewage treatment, and above-mentioned harmless treatment mode can not efficiently use dirt Organic matter and inorganic matter in mud, cause certain wasting of resources, and during processing, due to the organic matter contained in sludge Content is higher, and easy corruption is smelly, and certain pollution can be also caused to environment.
Building field generally uses marking pen that material is marked at present, the pen core of marking pen generally use carbon material or Glutinous earthen materia is made, and prepares material itself and belongs to non-renewable resources, can also be generated after use it is more do not allow it is degradable The marking pen shell waste of processing causes environmental pollution and the wasting of resources, and contains in the sludge that city domestic sewage processing generates There is preparation that there are the particle elements and organic-inorganic element of colored materials of certain adhesive ability, still, there is presently no utilizations The sludge that sewage treatment generates prepares such colored materials for marking the technical solution of article.
In conclusion there is presently no the sludge generated using sewage treatment for solution at present there is an urgent need for a kind of technical solution The technical solution that there are the colored materials of certain adhesive ability to be used to mark article is prepared, the sludge generated to sewage treatment carries out Conventional harmless treatment will increase the manpower and material resources cost of processing, the technical issues of resulting in waste of resources.
Summary of the invention
It is an object of the invention to:For there is presently no the sludge generated using sewage treatment preparations to have certain attachment The colored materials of ability are used to mark the technical solution of article, the conventional harmless treatment carried out to the sludge that sewage treatment generates The manpower and material resources cost that will increase processing the technical issues of resulting in waste of resources, provides a kind of label prepared using sludge With colored materials and preparation method thereof.
To achieve the goals above, the technical solution adopted by the present invention is:
A kind of label colored materials prepared using sludge, including what is be mixed to prepare by colored particles, pigment material and cementing agent There is mill base material, the colored particles include sewage sludge powder, and the sewage sludge powder is made by sludge through drying and other treatment, the cementing agent For assist it is described have the molding of mill base material gel hardening, the sludge is the sludge that sanitary sewage disposal obtains.
A kind of label colored materials prepared using sludge of the invention carry out sewage sludge powder by using pigment material Dyeing, and by the sewage sludge powder of cementing agent bonding dyeing, make that the colored materials that can be attached on labeled object are made, prepared Journey is economic and environment-friendly, and the sludge and conventional fallen leaves generated for sanitary sewage disposal provides preferable utilization ways, makes colored materials Prepare it is economic and environment-friendly, and due to, there is no to the chemical substance of human body or environmental pollution, making coloured material in sewage sludge powder Material using economic and environment-friendly pollution-free, simultaneously as sewage sludge powder under the action of cementing agent, has preferable adhesive force, makes The colored materials that must be attached on labeled object are not easy to fall, and colored materials obtained is made to can reach the effect of conventional marking pen, Using more convenient, the scope of application is wider.
Preferably, the pigment material is made by leaf.By using the pigment material as made from leaf to sewage sludge powder into Row dyeing, since the pigment source in leaf is extensive, further makes the preparation process of colored materials economic and environment-friendly, and in leaf Pigment belongs to natural pigment, will not further make colored materials use process environmental protection obtained to human body or environmental pollution It is pollution-free.
Preferably, the colored particles further include being made by slag powders and/or flyash and/or discarded building waste powder Active powder material.Using active powder material as preparation colored particles raw material, further increase prepare it is coloured The fine particle of material having in mill base material increases the adhesive force of colored materials obtained, is marking colored materials obtained Be not easy to decolourize for a long time on note object, be also slag, solid waste rubbish as flyash, discarded building waste provide it is economic and environment-friendly Approach, simultaneously as in slag, flyash and discarded building waste contain more activating oxide, in alkaline environment Under be easy the activity that is excited, produce gum material, further increase the gelatinization results obtained for having mill base material, acceleration has mill base material Gel hardening molding.
Preferably, the pigment material by leaf successively by dipping by lye, cleaning, dry, rub, crush after be made, The concentration of lye is 3%-4%.Using dipping by lye leaf, infiltration disperses the fiber train of thought in leaf, and destroys leaf simultaneously Plant cell wall, the pigment in leaf is precipitated sufficiently, it is convenient to provide colored pigments for colored materials, simultaneously as leaf In fiber train of thought there is preferable toughness, be conducive to increase the intensity of colored materials obtained, colored materials avoided to use Disperse in the process.
Preferably, the cementing agent includes starch and/or animal glue and/or cellulose and/or gypsum and/or alginic acid Sodium.Can according to the actual situation, select one or more cementing agent for assist have the molding of mill base material gel hardening, also corresponding increasing Add adhesion effect of the colored materials on labeled object.
Preferably, further including thickener, the thickener includes sodium carboxymethylcellulose and/or grease, the thickening Agent is for increasing the adhesive force having between mill base material and labeled object.Thickener is set, the stickiness of mill base material is further increased, Increase adhesive force of the colored materials obtained on labeled object, colored materials is avoided to decolourize.
Preferably, the parts by weight for having each component raw material in mill base material are:50-90 parts of colored particles, pigment material 5-20 parts, 5-30 parts of cementing agent, 5-30 parts of thickener.According to the actual situation, the parts by weight for adjusting each raw material make that solid-state is made Or the colored materials of liquid, the use scope of further expansion colored materials.
Preferably, the parts by weight for having each component raw material in mill base material are:65-80 parts of colored particles, pigment material 7-12 parts, 10-20 parts of cementing agent, 10-20 parts of thickener.
Preferably, the parts by weight for having each component raw material in mill base material are:70 parts of colored particles, pigment material 10 Part, 15 parts of cementing agent, 13 parts of thickener.
Preferably, when the colored particles include sewage sludge powder and active powder material, described have the mill base material to include 50-60 parts of sewage sludge powder, 15-20 parts of active powder material, 7-12 parts of pigment material, 10-20 parts of cementing agent, 10-20 parts of thickener, It further include 1-3 parts of alkali-activator, the alkali-activator is used for the activity of stimulating activity powder body material, generates gum material.Work as institute When stating in colored particles including active powder material, alkali-activator is accordingly increased as raw material, is maintained to the greatest extent coloured The alkaline environment of slurry generates gum material under alkaline environment so that active powder material ground-slag isoreactivity is activated, Accelerate the gel hardening speed for having mill base material, facilitate the preparation of solid-state colored materials, reduces colored materials preparation time.
Preferably, the parts by weight for having each component raw material in mill base material are:50 parts of sewage sludge powder, active powder material Expect 18 parts, 10 parts of pigment material, 15 parts of cementing agent, 15 parts of thickener, 2 parts of alkali-activator.
Preferably, when the cementing agent includes starch, animal glue, cellulose, gypsum and sodium alginate, it is described cementing The weight ratio of each component is followed successively by agent:(5-10):(1-5):(1-2):(1-3):(1-3).According to the actual situation, one is selected Kind or a variety of materials with gelatinization results be used as cementing agent, have the consistency of mill base material made from change, make to facilitate solid-state is made Or the colored materials of liquid.
Preferably, the weight ratio of starch, animal glue, cellulose, gypsum, sodium alginate is followed successively by 7:3:1:2:2.
Preferably, described, to have further include 1-40 parts of meterial additive of parts by weight in mill base material, the meterial additive Including hard powder and/or light-sensitive material and/or Noctilucent material, the hard powder is used to increase hard after having mill base material solidification Degree, the light-sensitive material is for changing the display color for having mill base material under different light, and the Noctilucent material is for changing There is display brightness of the mill base material under the light of different illumination described in change.Added by increasing one or more materials in having mill base material Add agent, optimization has the using effect of mill base material, wherein addition hard powder is conducive to increase solid-state colored materials obtained Hardness, facilitates the use of colored materials, and is conducive to increase the particulate matter in colored materials, increases colored materials labeled Adhesive force on object adds light-sensitive material, is conducive to that colored materials is made to show different colors under the light of different wave length, expands The scope of application of big colored materials obtained, adds Noctilucent material, stores light energy by Noctilucent material, dissipate under dark situations Isolychn, the scope of application of colored materials made from further expansion.
Preferably, when the meterial additive includes hard powder and Noctilucent material, it is described to have mill base material including hard 1-20 parts of matter powder, 1-20 parts of Noctilucent material.
Preferably, when the meterial additive includes hard powder and Noctilucent material, it is described to have mill base material including hard 5-10 parts of matter powder, 5-10 parts of Noctilucent material.
Preferably, the hard powder includes Zinc oxide powder, the Noctilucent material is made by sol-gel method.
Preferably, the sol-gel method raw materials include ethyl orthosilicate, it is dehydrated alcohol, deionized water, dilute Hydrochloric acid, erbium oxide, aluminum nitrate and silicon dioxide gel.
A kind of preparation method of the label colored materials using sludge preparation, includes the following steps:Step 1:It prepares Coloured particles:Including sludge is prepared sewage sludge powder through drying and other treatment;Step 2:Prepare pigment material:Leaf is successively passed through to lye leaching Pigment material is made after steeping, clean, drying, rubbing, crushing;Step 3:Prepare cementing agent:There are gelatinization results using at least one Material as cementing agent, the cementing agent includes starch and/or animal glue and/or cellulose and/or gypsum and/or alginic acid Sodium;Step 4:It is prepared with mill base material:By colored particles, pigment material and cementing agent, charging mixing is carried out using superposition feed way, It stirs evenly, being made has mill base material.
A kind of preparation method of label colored materials using sludge preparation of the invention, preparation method is simpler, is Sludge and the orbit fallen leaves that sanitary sewage disposal generates provide economic and environment-friendly use approach, before having biggish application Scape, simultaneously as the raw material for being used to prepare colored materials do not include the chemical substance of environmental pollution, so that colored materials Preparation process and use process it is economic and environment-friendly, environment and human body will not be damaged, and colored materials obtained can be used for It is substituted for the marking pen of label, so that reducing the use of marking pen, and then is reduced environmental pollution.
Preferably, the step 1 includes the following steps:Step 1.1:Prepare sewage sludge powder:Drying and other treatment sludge is made Sewage sludge powder;Step 1.2:Prepare active powder material:Slag and/or flyash and/or discarded building waste are successively passed through Cleaning, drying, broken, grinding, screening process, are made the active powder material that partial size is less than 0.5mm;Step 1.3:Mixing is stirred It mixes:Mixing sludge powder and active powder material, stir evenly obtained colored particles.Sludge is prepared using drying and other treatment mode, The particulate matter and organic-inorganic relic in sludge are remained, makes sludge during the preparation process, organic matter fermentation therein generates gas Body, make be made foamed state organic material, the scope of application of further expansion organic material, meanwhile, using slag, flyash Active powder material is prepared with discarded building waste, further increases the obtained particulate matter having in mill base material, makes obtained to have Color materials'use effect is more preferable, and active powder material can generate gum material under alkaline environment, have made from acceleration The gel hardening of mill base material forms, and reduces the preparation time of colored materials.
Preferably, being additionally provided with step 5 after the step 4:Improvement has mill base material:Colored particles, pigment material and What binder was mixed to prepare has addition thickener, alkali-activator and meterial additive in mill base material, stirs evenly and improvement is made There is mill base material, the colored particles include sewage sludge powder and active powder material, and the thickener includes grease and/or carboxymethyl Sodium cellulosate, the meterial additive include hard powder and/or light-sensitive material and/or Noctilucent material, the hard powder packet Include Zinc oxide powder.Thickener, alkali-activator and meterial additive are added in having mill base material, further improvement is obtained coloured Size performance facilitates the colored materials of preparation solid-state or liquid, is also beneficial to further expansion and the suitable of two sections of colored materials is made Use range.
Preferably, being additionally provided with step 6 after the step 5:Form colored materials:There to be mill base material injection to be provided with In the mold of mold cavity, dries and colored materials are made.
Preferably, drying and other treatment described in step 1 includes lime desiccation method and/or microwave desiccation method.According to practical feelings Condition selects different drying and other treatment modes to prepare sewage sludge powder.
Preferably, the lime desiccation method in turn includes the following steps:Step a:Maturation process:Stone is added in sludge Ash is stood after mixing evenly, and the weight ratio of the lime and sludge is 0.3:1;Step b:It is dried;Step c:At crushing Reason;Step d:Microwave treatment:By step c, treated that sewage sludge powder is placed in microwave environment;Step e:Milled processed:At microwave Sewage sludge powder after reason is ground to partial size less than 5mm.Sewage sludge powder is prepared using lime desiccation method, using being previously added in sludge Lime make sewage sludge powder obtained in alkalinity, so that the abundant aquation of the oxide in sludge is generated gum material, it is corresponding reduce after The usage amount of phase active powder material, also further facilitates the preparation of mill base material, make it is obtained have mill base material gelatinization results compared with It is good, improve the using effect of colored materials obtained.
Preferably, the microwave desiccation method in turn includes the following steps:Step a:Dehydration:It separates except in sludge Moisture;Step b:Drying and processing:Sludge is placed under drying environment and is dried, 160 DEG C of drying temperature;Step c:Microwave treatment:It will Treated that sludge powder is placed in microwave environment by step b;Step d:Milled processed:It is small that sludge after microwave treatment is ground to partial size In the sewage sludge powder of 5mm.The further dispersion that the fine particle in sludge is promoted using microwave desiccation method makes that sludge powder is made End more evenly, keeps adhesion effect of the colored materials obtained on labeled object preferable.
Preferably, superposition feed way described in step 4 is that cementing agent is divided at least two parts, by colored particles according to After secondary repetition adds the step of cementing agent, stirring, standing to be made after mixing evenly has mill base material.
Preferably, step 5 further includes the steps that preparing Noctilucent material, the sol-gel method using sol-gel method Raw materials include ethyl orthosilicate, dehydrated alcohol, deionized water, dilute hydrochloric acid, erbium oxide, aluminum nitrate and silica, institute It states sol-gel method and includes the following steps 5.1:It is stirred:By ethyl orthosilicate, dehydrated alcohol, deionized water, dilute hydrochloric acid, Erbium oxide and aluminum nitrate mixing, stir evenly obtained hydrolyzed material;Step 5.2:Mix molding:Dioxy is adulterated in hydrolyzed material Wet type coagulation glue is made after ageing molding in SiClx colloidal sol;Step 5.3:It is dried:Wet type coagulation glue is dried and is made dry Gel;Step 5.4:Milled processed:Xerogel is crushed, the dry gel powder that partial size is less than 0.5mm is made;Step 5.5:It is made Luminescent material:SiO 2 powder is added in dry gel powder, and luminescent material is made.
Preferably, the marking pen injects mold using above-mentioned colored materials the invention also discloses a kind of marking pen In condense, the mold cavity with marking pen external shape fits is provided in the mold.
In conclusion by adopting the above-described technical solution, a kind of label using sludge preparation of the invention is with coloured The beneficial effect of material is:
1, sewage sludge powder is dyed by using pigment material made from leaf, and passes through the sludge powder of cementing agent bonding dyeing End makes that the colored materials that can be attached on labeled object are made, and preparation process is economic and environment-friendly;
2, preferable utilization ways are provided for the sludge of sanitary sewage disposal generation and orbit fallen leaves, makes colored materials It prepares economic and environment-friendly;
3, due to, there is no the chemical substance to human body or environmental pollution, making making for colored materials in leaf and sewage sludge powder With economic and environment-friendly pollution-free;
4, since sewage sludge powder is under the action of cementing agent, there is preferable adhesive force, so that being attached to having on labeled object Color material is not easy to fall, and colored materials obtained is made to can reach the effect of conventional marking pen, and use is more convenient, the scope of application compared with Extensively;
A kind of beneficial effect of other embodiments of label colored materials using sludge preparation of invention is:
1, the raw material using active powder material as preparation colored particles increase having in mill base material for preparation colored materials Fine particle, increase the adhesive force of colored materials obtained, be not easy colored materials obtained for a long time on labeled object Decoloration is also slag, solid waste rubbish as flyash, discarded building waste provides economic and environment-friendly approach, simultaneously as Contain more activating oxide in slag, flyash and discarded building waste, be easy the activity that is excited under alkaline environment, Gum material is produced, the gelatinization results obtained for having mill base material are further increased, acceleration has the molding of mill base material gel hardening;
2, increase one or more meterial additives in having mill base material, optimization has the using effect of mill base material, wherein increase hard Matter powder is conducive to the hardness for increasing solid-state colored materials obtained, facilitates the use of colored materials, and be conducive to increase coloured Particulate matter in material increases adhesive force of the colored materials on labeled object, increases light-sensitive material, be conducive to make coloured material Material shows different colors under the light of different wave length, expands the scope of application of colored materials obtained, increases Noctilucent material, Light energy is stored by Noctilucent material, light is distributed under dark situations, expands the scope of application of colored materials obtained.
A kind of beneficial effect of the preparation method of label colored materials using sludge preparation of the invention is:
1, preparation method is simpler, and sludge and the orbit fallen leaves generated for sanitary sewage disposal provide economic and environment-friendly make With approach, there is biggish application prospect;
2, due to the chemical substance that the raw material for being used to prepare colored materials do not include environmental pollution, so that colored materials Preparation process and use process are economic and environment-friendly, will not damage to environment and human body;
3, colored materials obtained can be used for being substituted for the marking pen of label, so that reducing the use of marking pen, and then reduce Environmental pollution.
Detailed description of the invention
Fig. 1 is a kind of preparation flow schematic diagram of label colored materials using sludge preparation of the invention;
Fig. 2 is the preparation flow schematic diagram of heretofore described active powder material;
Fig. 3 is a kind of flow diagram of the preparation method of label colored materials using sludge preparation of the invention;
Fig. 4 is the structural schematic diagram of marking pen described in embodiment 8.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing and specific implementation Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only to explain this hair It is bright, it is not intended to limit the present invention.
Embodiment 1
As shown in Figure 1-3, a kind of label colored materials prepared using sludge, including by colored particles, pigment material and cementing What agent was mixed to prepare has mill base material, and the colored particles include sewage sludge powder, and the sewage sludge powder is by sludge through drying and other treatment system , the pigment material by leaf successively by dipping by lye, cleaning, dry, rub, crush after it is obtained, the cementing agent includes Starch and/or animal glue and/or cellulose and/or gypsum and/or sodium alginate, the cementing agent is for assisting described having mill base Expect gel hardening molding.
A kind of label colored materials prepared using sludge of the present embodiment, by using pigment material pair made from leaf Sewage sludge powder is dyed, and the preferably described leaf is tree deciduous leaf, and by the sewage sludge powder of cementing agent bonding dyeing, makes to be made The colored materials that can be attached on labeled object, preparation process is economic and environment-friendly, the sludge and routine generated for sanitary sewage disposal Fallen leaves provide preferable utilization ways, keep preparing for colored materials economic and environment-friendly, and due to not depositing in leaf and sewage sludge powder In the chemical substance to human body or environmental pollution, make colored materials using economic and environment-friendly pollution-free, simultaneously as sludge Powder has preferable adhesive force under the action of cementing agent, so that the colored materials being attached on labeled object are not easy to fall, Colored materials obtained are made to can reach the effect of conventional marking pen, use is more convenient, and the scope of application is wider.
Preferably, the parts by weight for having each component raw material in mill base material are:50-90 parts of colored particles, pigment material 5- 20 parts, 5-30 parts of cementing agent, can adjust the parts by weight of each raw material according to the actual situation, so that obtained different conditions has mill base Material makes the colored materials for forming different soft and hard degree after having mill base material gel hardening to form, expands the scope of application of colored materials.
Preferably, the parts by weight of each component raw material are specially:50 parts of colored particles, 10 parts of pigment material, 15 parts of cementing agent. Using colored materials obtained after thering is mill base material gel hardening to form made from the ratio, marking pen can be preferably substituted, in quilt Clearly color mark is left on marker, and is not easy shedding in use process, makes colored materials as label materials'use When, service life is longer, and using effect is preferable.
Preferably, the concentration of lye is 3%-4%, and the more preferable concentration of lye is 2%, using dipping by lye leaf, leaching Fiber train of thought in profit dispersion leaf, and the plant cell wall of leaf is destroyed simultaneously, the pigment in leaf is precipitated sufficiently, it is convenient Colored pigments are provided for colored materials, simultaneously as the fiber train of thought in leaf has preferable toughness, are also beneficial to increase system The intensity of the colored materials obtained, avoids colored materials from dispersing in use.
Preferably, the cementing agent is mixed by starch, animal glue, cellulose, gypsum and sodium alginate, wherein is formed sediment Powder, cellulose and sodium alginate belong to the reproducible polysaccharide of nature, and polysaccharide generates paste in aqueous having in mill base material, There is preferable adhesive effect to sewage sludge powder, meanwhile, the protein of animal glue, which can be preferably dissolved in, to be had in mill base material, makes to be made Have mill base material in air-setting, conveniently have mill base material gel hardening form colored materials, facilitate the preparation of colored materials, separately Outside, the use of gypsum not only further increases bond effect and condensation effect between sewage sludge powder, is also beneficial to make obtained Increase white particle sprills in colored materials, make colored materials using when be attached on labeled object, facilitate and improve coloured material The using effect of material.The amount that can according to the actual situation, adjust each ingredient of cementing agent changes the cementing effect of cementing agent, And then change adhesion effect of the colored materials obtained on labeled object, facilitate the colored materials of preparation solid-state or liquid, expands The scope of application of big colored materials.
Preferably, the weight ratio of starch in the cementing agent, animal glue, cellulose, gypsum and sodium alginate is followed successively by: (5-10):(1-5):(1-2):(1-3):(1-3).According to the actual situation, one or more materials with gelatinization results are selected As cementing agent, there is the consistency of mill base material made from change, makes the colored materials of convenient obtained solid-state or liquid.
Preferably, starch, animal glue, cellulose, gypsum, sodium alginate weight ratio be specifically followed successively by 7:3:1:2:2. Using cementing agent made from the ratio, there is preferable cementing effect and condensation effect, make colored materials use process obtained In be not easy the powder that is scattered, using effect is preferable.
Embodiment 2
As shown in Figure 1-3, a kind of label colored materials prepared using sludge of the present embodiment, starting components and embodiment 1 is identical, and difference is:The colored particles further include as made from slag powders and/or flyash and/or discarded building waste powder Active powder material.
A kind of label colored materials prepared using sludge of the present embodiment, increase active powder material, which is used as, to be prepared The raw material of coloured particles further increase the fine particle of preparation colored materials having in mill base material, increase obtained coloured The adhesive force of material makes colored materials obtained be not easy to decolourize for a long time on labeled object, is also slag, flyash, discards Solid waste rubbish as building waste provides economic and environment-friendly approach, simultaneously as slag, flyash and discarded building waste In contain more activating oxide, be easy the activity that is excited under alkaline environment, produce gum material, further increase system The gelatinization results for having mill base material obtained, acceleration have the molding of mill base material gel hardening.
Preferably, the colored particles are mixed to prepare by slag powders, flyash and discarded building waste powder, and described discard is built Building refuse powder includes the powder as made from concrete brick or waste cement, provides economic and environment-friendly utilize on the way for industrial solid castoff Diameter, but also colored materials obtained are easy molding, easy to use, the scope of application is wider.
Preferably, described to there is mill base material to include dirt when the colored particles include sewage sludge powder and active powder material 50-60 parts of mud powder, 15-20 parts of active powder material, 7-12 parts of pigment material, 10-20 parts of cementing agent, further include alkali-activator 1- 3 parts, the alkali-activator is used for the activity of stimulating activity powder body material, generates gum material.When including in the colored particles When active powder material, alkali-activator is accordingly increased as raw material, the alkaline environment for having mill base material is maintained, so that active powder Material ground-slag isoreactivity is activated, and gum material is generated under alkaline environment, accelerates the gel hardening speed for having mill base material, Facilitate the preparation of solid-state colored materials, reduces colored materials preparation time.
It is preferably, described that have mill base material include 60 parts of sewage sludge powder, 15 parts of active powder material, 10 parts of pigment material, cementing 15 parts of agent, 2 parts of alkali-activator.There is mill base material using made from the ratio, due to containing active powder material, was not only preparing Activity excitation generates gum material in journey, accelerates the preparation of colored materials, meanwhile, also increase the powder in colored materials obtained Body particle, making colored materials, particle is attached on labeled object when in use, facilitates the use of colored materials, is extended it and is used the longevity Life.
Embodiment 3
As shown in Figure 1-3, a kind of label colored materials prepared using sludge of the present embodiment, starting components and embodiment 1 is identical, and difference is:It further include thickener, the thickener includes sodium carboxymethylcellulose and/or grease, the thickener For increasing the adhesive force having between mill base material and labeled object.
A kind of label colored materials prepared using sludge of the present embodiment, are arranged thickener, further increased obtained The stickiness for having mill base material, increase adhesive force of the colored materials obtained on labeled object, avoid colored materials from decolourizing, preferably The grease is abandoned oil heel, including animal fat and/or vegetable fat and/or gutter oil, for providing for waste grease Economic and environment-friendly utilization ways.
Preferably, the thickener is made of sodium carboxymethylcellulose and grease mixing, described to have in mill base material including carboxylic 1-15 parts of sodium carboxymethylcellulose pyce, 5-15 parts of grease, it is preferably described to have in mill base material including 5 parts of sodium carboxymethylcellulose, grease 10 Part.The parts by weight that each component can be adjusted according to the actual situation, make to be modulated into different consistency has mill base material, makes have mill base material gelling The colored materials that different hardness is formed after hardened forming, further facilitate the preparation of colored materials.
Preferably, the parts by weight for having each component raw material in mill base material are:50 parts of sewage sludge powder, active powder material 18 parts, 10 parts of pigment material, 15 parts of cementing agent, 5 parts of sodium carboxymethylcellulose, 10 parts of grease, 2 parts of alkali-activator.
Embodiment 4
As shown in Figure 1-3, a kind of label colored materials prepared using sludge of the present embodiment, raw material components and embodiment 3 Identical, difference is:Described to have further include 1-40 parts of meterial additive of parts by weight in mill base material, and the meterial additive includes Hard powder and/or light-sensitive material and/or Noctilucent material, the hard powder are used to increase the hardness after having mill base material solidification, The light-sensitive material is for changing the display color for having mill base material under different light, and the Noctilucent material is for changing institute State display brightness of the mill base material under the light of different illumination.
A kind of label colored materials prepared using sludge of the present embodiment, by increase in having mill base material it is a kind of or Multiple material additive, optimization have the using effect of mill base material.
Preferably, hard powder is added, is conducive to the hardness for increasing solid-state colored materials obtained, facilitates colored materials It uses, and is conducive to increase the particulate matter in colored materials, increase adhesive force of the colored materials on labeled object, preferably institute Stating hard powder is Zinc oxide powder.
It is furthermore preferred that addition light-sensitive material, is conducive to that colored materials is made to show different face under the light of different wave length Color expands the scope of application of colored materials obtained.
It is furthermore preferred that plus Noctilucent material, light energy is stored by Noctilucent material, distributes light under dark situations, into one Step expands the scope of application of colored materials obtained, and the present embodiment preferably uses the Noctilucent material as made from sol-gel method, makes The function of not only increasing colored materials obtained is obtained, the gum material obtained having in mill base material is also accordingly increased, accelerates to have Mill base material gel hardening forms colored materials.
Preferably, when the meterial additive includes hard powder and Noctilucent material, described to have mill base material include hard 1-20 parts of powder, 1-20 parts of Noctilucent material, preferably described to have mill base material include 5-10 parts of hard powder, 5-10 parts of Noctilucent material.
Preferably, described to have each component in mill base material when the meterial additive includes hard powder and Noctilucent material The parts by weight of raw material are:50 parts of sewage sludge powder, 18 parts of active powder material, 10 parts of pigment material, 15 parts of cementing agent, carboxymethyl are fine Tie up plain 5 parts of sodium, 10 parts of grease, 2 parts of alkali-activator, 8 parts of hard material, 8 parts of Noctilucent material.Adjust the weight of each raw material component Part, the function and performance of colored materials obtained can be changed accordingly, make the having using different shape according to actual use situation Color material expands the scope of application of colored materials.
Embodiment 5
As shown in Figure 1-3, a kind of preparation method of the label colored materials using sludge preparation, includes the following steps:Step 1:Prepare colored particles:Including sludge is prepared sewage sludge powder through drying and other treatment;Step 2:Prepare pigment material:Leaf is successively passed through Dipping by lye is crossed, cleaning, dries, rub, crushing, the pigment material that partial size is less than 1mm is made after screening process;Step 3:Prepare glue Tie agent:Using at least one material with gelatinization results as cementing agent, the cementing agent includes starch and/or animal glue And/or cellulose and/or gypsum and/or sodium alginate;Step 4:It is prepared with mill base material:By colored particles, pigment material and cementing Agent is mixed using superposition feed way, is stirred evenly, and being made has mill base material.
Preferably, the cementing agent of step 3 is mixed to prepare by starch, animal glue, cellulose, gypsum and sodium alginate, mixing Afterwards, it is stirred evenly in 40-60 DEG C of environment of temperature, 50 DEG C of preferable temperature, mixing speed 150-300r/min, preferably mixing speed For 200r/min, it is uniformly mixed polysaccharide and albumen heating hydrolysis, raw material in cementing agent, keeps the gelling of cementing agent obtained hard It is preferable to change effect.
Specifically, the step 1 includes the following steps:Step 1.1:Prepare sewage sludge powder:Dirt is made in drying and other treatment sludge Mud powder;Step 1.2:Prepare active powder material:By slag and flyash successively through over cleaning, drying, broken, grinding, sieve Divide processing, slag powders and mixture of fly ash that partial size is less than 0.5mm are made, by discarded building waste successively through over cleaning, baking Dry, mixing waste cement, broken, grinding, screening process, are made the discarded building waste powder that partial size is less than 0.5mm;Step 1.3: It is mixed:Sewage sludge powder, slag powders and mixture of fly ash, building waste powder are mixed, obtained colored particles are stirred evenly, Mixing speed 200-400r/min, preferably 300r/min.
Preferably, drying and other treatment described in step 1 includes lime desiccation method and/or microwave desiccation method.According to the actual situation, Different drying and other treatment modes is selected to prepare sewage sludge powder.
Preferably, the lime desiccation method in turn includes the following steps:Step a:Maturation process:Stone is added in sludge Ash is stood after mixing evenly, and the weight ratio of the lime and sludge is 0.3:1;Step b:It is dried;Step c:At crushing Reason;Step d:Microwave treatment:By step c, treated that sewage sludge powder is placed in microwave environment;Step e:Milled processed:At microwave Sewage sludge powder after reason is ground to partial size less than 5mm.Sewage sludge powder is prepared using lime desiccation method, using being previously added in sludge Lime make sewage sludge powder obtained in alkalinity, so that the abundant aquation of the oxide in sludge is generated gum material, it is corresponding reduce after The usage amount of phase active powder material, also further facilitates the preparation of mill base material, make it is obtained have mill base material gelatinization results compared with It is good, improve the using effect of colored materials obtained.
Preferably, the microwave desiccation method in turn includes the following steps:Step a:Dehydration:It separates except water in sludge Point;Step b:Drying and processing:Sludge is placed under drying environment and is dried, 160 DEG C of drying temperature;Step c:Microwave treatment:It will step Treated that sewage sludge powder is placed in microwave environment by rapid b;Step d:Milled processed:It is small that sludge after microwave treatment is ground to partial size In the sewage sludge powder of 5mm.The further dispersion that the fine particle in sludge is promoted using microwave desiccation method makes that sludge powder is made End more evenly, keeps adhesion effect of the colored materials obtained on labeled object preferable.
Embodiment 6
As shown in Figure 1-3, a kind of preparation method of the label colored materials using sludge preparation, method and step and embodiment 5 Identical, difference is:Step 5 is additionally provided with after the step 4:Improvement has mill base material:In colored particles, pigment material and bonding What agent was mixed to prepare has addition thickener, alkali-activator and meterial additive in mill base material, stirs evenly and the coloured of improvement is made Slurry, wherein the colored particles include sewage sludge powder and active powder material, and the thickener includes grease and/or carboxylic first Base sodium cellulosate, the meterial additive include hard powder and/or light-sensitive material and/or Noctilucent material, the hard powder Including Zinc oxide powder, the alkali-activator is sodium hydroxide solution.
Preferably, step 6 is additionally provided with after the step 5:Form colored materials:There to be mill base material injection to be provided with mould In the mold for having chamber, dries and colored materials are made.
Preferably, step 5 further includes the steps that preparing Noctilucent material, the sol-gel method institute using sol-gel method It include ethyl orthosilicate, dehydrated alcohol, deionized water, dilute hydrochloric acid, erbium oxide, aluminum nitrate and silica with raw material, it is described Sol-gel method includes the following steps 5.1:It is stirred:By ethyl orthosilicate, dehydrated alcohol, deionized water, dilute hydrochloric acid, oxygen Change erbium and aluminum nitrate mixing, stirs evenly obtained hydrolyzed material;Step 5.2:Mix molding:Titanium dioxide is adulterated in hydrolyzed material Wet type coagulation glue is made after ageing molding in silica solution;Step 5.3:It is dried:Wet type coagulation glue is dried and is made dry solidifying Glue;Step 5.4:Milled processed:Xerogel is crushed, the dry gel powder that partial size is less than 0.5mm is made;Step 5.5:Hair is made Luminescent material:SiO 2 powder is added in dry gel powder, and luminescent material is made.
Embodiment 7
As shown in Figure 1-3, a kind of preparation method of label colored materials using sludge preparation of the present embodiment, step operation Identical as embodiment 5-6, detailed process is:(1)The slag powders and mixture of fly ash are mixed with sodium hydroxide solution in advance It closes, constant temperature stirs evenly, wherein 60-90 DEG C of holding temperature, preferably 80 DEG C, mixing speed 200-400r/min, preferably 300r/min, mixing time 25-35min, preferably 30min, then mixed with discarded building waste powder, continue to be stirred, make Slag powders and the activity of mixture of fly ash are sufficiently excited, the active powder material that obtained activity is excited;(2)By step 3 Obtained cementing agent is divided into three equal parts, step 1.1 is added after taking a and obtained active powder material to be stirred, dirt is made Mud powder continues that a cementing agent is added after being stirred, and continues addition step 2 after being stirred and pigment material is made, continue to stir Last a cementing agent is added after mixing mixing, makes to reach superposition feed way, colored particles, pigment material and cementing agent be mixed equal Even, being made has mill base material;(3)To have mill base material be added under stirring Zinc oxide powder and/or sodium carboxymethylcellulose and/ Or grease and/or Noctilucent material and/or light-sensitive material, stir evenly be made improvement has mill base material, mixing speed 150-300r/ min;(4)Stand improvement has mill base material, makes have mill base material chinese raw materials to be sufficiently mixed, each raw material activity is sufficiently activated; (5)There is mill base material to filter into mould, drying forming colored materials the improvement after stewing process.
Preferably, when active powder material only as the additive for increasing coloured paste powder particulate matter when, detailed process In(1)For:Slag powders, flyash, discarded building waste powder are mixed using superposition feed way, stir evenly obtained activity powder Body material.
Embodiment 8
As shown in figure 4, a kind of marking pen, the marking pen is injected in mold using above-mentioned colored materials and is condensed, the mould The mold cavity with marking pen external shape fits is provided in tool.
Above embodiments are only to illustrate the present invention and not limit the technical scheme described by the invention, although this explanation The present invention has been described in detail referring to the above embodiments for book, but the present invention is not limited to above-mentioned specific embodiment party Formula, therefore any couple of present invention modifies or equivalent replacement, and the technical solution of all spirit and scope for not departing from invention And its improve, it should all cover within the scope of the claims of the present invention.

Claims (10)

1. a kind of label colored materials prepared using sludge, it is characterised in that:Including by colored particles, pigment material and cementing What agent was mixed to prepare has mill base material, and the colored particles include sewage sludge powder, and the sewage sludge powder is by sludge through drying and other treatment system , the cementing agent is for assisting described having the molding of mill base material gel hardening.
2. colored materials as described in claim 1, it is characterised in that:The colored particles further include by slag powders and/or powder Active powder material made from coal ash and/or discarded building waste powder.
3. colored materials as claimed in claim 2, it is characterised in that:It further include thickener, the thickener has for increasing Adhesive force between mill base material and labeled object.
4. colored materials as claimed in claim 3, it is characterised in that:The parts by weight for having each component raw material in mill base material For:50-90 parts of colored particles, 5-20 parts of pigment material, 5-30 parts of cementing agent, 5-30 parts of thickener.
5. colored materials as claimed in claim 4, it is characterised in that:When the colored particles include sewage sludge powder and activity powder When body material, described to have mill base material include 50-60 parts of sewage sludge powder, 15-20 parts of active powder material, 7-12 parts of pigment material, glue Agent 10-20 parts, 10-20 parts of thickener are tied, further includes 1-3 parts of alkali-activator, the alkali-activator is used for stimulating activity powder material The activity of material generates gum material.
6. the colored materials as described in claim 1-5 any one, it is characterised in that:It is described that have further include weight in mill base material 1-40 parts of meterial additive of part, the meterial additive includes hard powder and/or light-sensitive material and/or Noctilucent material, institute State hard powder has mill base material in difference for increasing the hardness after having mill base material solidification, the light-sensitive material for changing described Display color under light, the Noctilucent material is for changing the display brightness for having mill base material under the light of different illumination.
7. a kind of preparation method of the label colored materials using sludge preparation, it is characterised in that:Include the following steps:
Step 1:Prepare colored particles:Including by sludge through sewage sludge powder made from drying and other treatment;
Step 2:Prepare pigment material:By leaf successively by dipping by lye, cleaning, dry, rub, crush after be made pigment material;
Step 3:Prepare cementing agent:Using at least one material with gelatinization results as cementing agent, the cementing agent includes Starch and/or animal glue and/or cellulose and/or gypsum and/or sodium alginate;
Step 4:It is prepared with mill base material:By colored particles, pigment material and cementing agent, it is mixed that charging is carried out using superposition feed way It closes, stirs evenly, being made has mill base material.
8. preparation method as claimed in claim 7, it is characterised in that:The step 1 includes the following steps:
Step 1.1:Prepare sewage sludge powder:Sewage sludge powder is made in drying and other treatment sludge;
Step 1.2:Prepare active powder material:By slag and/or flyash and/or discarded building waste successively through over cleaning, Drying, broken, grinding, screening process, are made the active powder material that partial size is less than 0.5mm;
Step 1.3:It is mixed:Mixing sludge powder and active powder material, stir evenly obtained colored particles.
9. preparation method as claimed in claim 8, it is characterised in that:Step 5 is additionally provided with after the step 4:Improvement has Mill base material:There are addition thickener, alkali-activator and material in mill base material what colored particles, pigment material and binder were mixed to prepare Additive, stir evenly be made improvement have a mill base material, the colored particles include sewage sludge powder and active powder material, described Thickener includes grease and/or sodium carboxymethylcellulose, the meterial additive include hard powder and/or light-sensitive material and/ Or Noctilucent material, the hard powder includes Zinc oxide powder.
10. preparation method as claimed in claim 9, it is characterised in that:Step 6 is additionally provided with after the step 5:It forms Color material:There to be mill base material injection to be provided in the mold of mold cavity, dries and colored materials are made.
CN201810739471.2A 2018-07-06 2018-07-06 A kind of label colored materials and preparation method thereof using sludge preparation Pending CN108841252A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810739471.2A CN108841252A (en) 2018-07-06 2018-07-06 A kind of label colored materials and preparation method thereof using sludge preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810739471.2A CN108841252A (en) 2018-07-06 2018-07-06 A kind of label colored materials and preparation method thereof using sludge preparation

Publications (1)

Publication Number Publication Date
CN108841252A true CN108841252A (en) 2018-11-20

Family

ID=64201316

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810739471.2A Pending CN108841252A (en) 2018-07-06 2018-07-06 A kind of label colored materials and preparation method thereof using sludge preparation

Country Status (1)

Country Link
CN (1) CN108841252A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111548679A (en) * 2019-06-10 2020-08-18 上海出版印刷高等专科学校 Ink paste, recycled ink and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1385319A (en) * 2001-05-11 2002-12-18 株式会社文鸟 Multi-color pen or oil colour wax-pen and production method thereof
CN102399479A (en) * 2010-09-13 2012-04-04 冒玲 Moist dust-free chalk
CN102431080A (en) * 2011-08-29 2012-05-02 武汉理工大学 Method for preparing colored autoclaved brick from lake sludge
CN105153755A (en) * 2015-08-12 2015-12-16 江苏振宇环保科技有限公司 Method for preparing high-temperature-resistant inorganic pigment from waste red bricks
CN107721270A (en) * 2017-10-24 2018-02-23 上海老港废弃物处置有限公司 A kind of method that non-sintered water-permeable brick is prepared using municipal sludge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1385319A (en) * 2001-05-11 2002-12-18 株式会社文鸟 Multi-color pen or oil colour wax-pen and production method thereof
CN102399479A (en) * 2010-09-13 2012-04-04 冒玲 Moist dust-free chalk
CN102431080A (en) * 2011-08-29 2012-05-02 武汉理工大学 Method for preparing colored autoclaved brick from lake sludge
CN105153755A (en) * 2015-08-12 2015-12-16 江苏振宇环保科技有限公司 Method for preparing high-temperature-resistant inorganic pigment from waste red bricks
CN107721270A (en) * 2017-10-24 2018-02-23 上海老港废弃物处置有限公司 A kind of method that non-sintered water-permeable brick is prepared using municipal sludge

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
万金泉等: "《造纸工业环境工程导论》", 31 August 2005, 中国轻工业出版社 *
张万仓: "《混凝土空心砌块与混凝土砖实用手册》", 31 July 2007, 中国建材工业出版社 *
张红鸣等: "《实用着色与配色技术》", 31 August 2001, 化学工业出版社 *
方贤达: "利用矿渣制造磁性粉笔", 《硫酸工业》 *
英VITA: "果蔬粉(自制色素)", 《HTTPS://HANWUJI.XIACHUFANG.COM/RECIPE/102909280/》 *
赵亚平: "《自主创新与资源节约研究》", 31 July 2006, 河南人民出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111548679A (en) * 2019-06-10 2020-08-18 上海出版印刷高等专科学校 Ink paste, recycled ink and preparation method and application thereof

Similar Documents

Publication Publication Date Title
CN107500703A (en) A kind of environmentally friendly light-weight aggregate prepared using mud and preparation method thereof
CN103449796A (en) Sludge autoclaved brick and preparation method thereof
CN106938914A (en) A kind of sludge and silt sintering brick preparation method
CN108516755A (en) A kind of inorganic polymer expanded material and preparation method thereof prepared using sludge
CN105924053A (en) Preparation method of regenerated concrete
CN104109038A (en) Method for producing construction waste compressed nutrient soil
CN107082598A (en) A kind of environment-friendly type pavior brick and preparation method using riverbed sludge as major ingredient
CN110258278A (en) The press mortar and processing method to be come to nothing using microbial strains punishment cement pavement
CN108409226A (en) A kind of high-strength lightweight concrete and preparation method thereof
CN108841252A (en) A kind of label colored materials and preparation method thereof using sludge preparation
CN107056152A (en) A kind of energy-saving building brick and preparation method thereof
CN101891367A (en) Solidification and stabilization method of urban sludge
CN105130311A (en) Sisal-fiber-added enhanced lightweight thermal-insulation mortar and preparation method thereof
CN103359995A (en) Method for preparing environmentally friendly flexible soft-paste porcelain facing tiles by utilization of red lotus lake mud
CN104472375A (en) Porous coated cat litter and preparation method thereof
WO2023226321A1 (en) Modified municipal sludge for landfill covering and preparation method therefor
CN107265582A (en) A kind of compound shellfish modification biological dephosphorization material and its preparation method and application
CN109021240A (en) A kind of lignin g-PEO ether and based on its lignin-base Machine-blasting mortar Special modifier and preparation method and application
CN1778754A (en) Slurry bricks and production thereof
CN108585699A (en) A kind of building energy conservation brick and preparation method thereof
CN106478011B (en) A kind of phase-change accumulation energy dry powder and mortar and preparation method based on building and house refuse
CN112299811B (en) Soil curing agent for road base and preparation method thereof
CN108503334A (en) A kind of large dosage paper mill sludge air-entrained concrete building block and preparation method thereof
CN107827181A (en) A kind of domestic sewage treating compound and preparation method thereof
CN111777388B (en) Polymer plant-growing concrete containing residual soil and dregs and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181120