CN111762780A - Special carbon for treating organic gas in urban underground water - Google Patents
Special carbon for treating organic gas in urban underground water Download PDFInfo
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- CN111762780A CN111762780A CN202010370805.0A CN202010370805A CN111762780A CN 111762780 A CN111762780 A CN 111762780A CN 202010370805 A CN202010370805 A CN 202010370805A CN 111762780 A CN111762780 A CN 111762780A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000002994 raw material Substances 0.000 claims abstract description 54
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 44
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 34
- 241000018650 Pinus massoniana Species 0.000 claims abstract description 26
- 235000011609 Pinus massoniana Nutrition 0.000 claims abstract description 26
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 22
- 239000003245 coal Substances 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 235000013162 Cocos nucifera Nutrition 0.000 claims abstract description 18
- 244000060011 Cocos nucifera Species 0.000 claims abstract description 18
- 239000011787 zinc oxide Substances 0.000 claims abstract description 17
- 239000002023 wood Substances 0.000 claims abstract description 14
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 10
- 239000002006 petroleum coke Substances 0.000 claims abstract description 10
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- 238000003756 stirring Methods 0.000 claims description 12
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- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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- MTJGVAJYTOXFJH-UHFFFAOYSA-N 3-aminonaphthalene-1,5-disulfonic acid Chemical compound C1=CC=C(S(O)(=O)=O)C2=CC(N)=CC(S(O)(=O)=O)=C21 MTJGVAJYTOXFJH-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
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- 241000894007 species Species 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229950011008 tetrachloroethylene Drugs 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000011276 wood tar Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/336—Preparation characterised by gaseous activating agents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
- C01B32/324—Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
- C01B32/33—Preparation characterised by the starting materials from distillation residues of coal or petroleum; from petroleum acid sludge
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/36—Organic compounds containing halogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses carbon special for treating organic gas in urban underground water, which relates to the technical field of underground water treatment and comprises the following raw materials in parts by weight: 15-20 parts of high-quality coal, 10-15 parts of sawdust, 5-10 parts of masson pine, 10-15 parts of coconut shell, 10-15 parts of fruit shell, 2-5 parts of petroleum coke, 2-5 parts of asphalt, 1-3 parts of phosphoric acid, 10-20 parts of water, 5-8 parts of adhesive, 3-5 parts of lubricating oil and 5-10 parts of zinc oxide. According to the special carbon, the special carbon is prepared from high-quality coal, sawdust, Chinese red pine wood, coconut shells, shells and zinc oxide according to a certain mixing ratio, the Chinese red pine wood, the high-quality coal, the sawdust, the coconut shells and the shells are used in a mixed mode to serve as main raw materials of special carbon products, the Chinese red pine wood made of high-fiber materials and the zinc oxide are added while the activity of the special carbon is guaranteed, the cellulose of the special carbon is improved, the special carbon is enabled to have stronger adsorbability on organic gas, the special carbon is enabled to have stronger adsorbability on the organic gas, and the using effect of the special carbon is improved.
Description
Technical Field
The invention relates to the technical field of underground water treatment, in particular to special carbon for treating organic gas in urban underground water.
Background
In recent years, the problem of soil and groundwater contamination caused by volatile organic chlorides such as trichloroethylene and tetrachloroethylene has been growing in various places, and this has become a big social problem, because these substances contaminate groundwater after permeating from soil into the ground, have low solubility in water, and once contaminated, have a characteristic of long-term contamination in accordance with the flow characteristics of groundwater.
To further remove contaminants, particularly organic matter, from such municipal wastewater treatment waters, it is very effective to use coal-based activated carbon treatment. The economics of the coal-based activated carbon adsorption process depend on factors such as the treatment system throughput, the purification depth, the process flow characteristics, the nature and amount of the adsorbent, the regeneration method, and the like. Research results of various adsorption purification methods for municipal sewage show that the biophysical purification process of activated carbon and the separate physical-chemical purification process are the most promising in development, but the existing special carbon for treating the organic gas of the municipal underground water has poor adsorption effect when adsorbing the gas, so that the treatment efficiency of the special carbon is low, and the existing special carbon for treating the organic gas of the municipal underground water is not easy to knead during production, so that the production efficiency of the special carbon is reduced.
Disclosure of Invention
The invention aims to: in order to solve the problems of poor adsorption effect and difficult kneading in the prior art, the special carbon for treating the organic gas in the urban underground water is provided.
In order to achieve the purpose, the invention provides the following technical scheme: the special carbon for treating the organic gas of the urban underground water comprises the following raw materials in parts by weight: 15-20 parts of high-quality coal, 10-15 parts of sawdust, 5-10 parts of masson pine, 10-15 parts of coconut shell, 10-15 parts of fruit shell, 2-5 parts of petroleum coke, 2-5 parts of asphalt, 1-3 parts of phosphoric acid, 10-20 parts of water, 5-8 parts of adhesive, 3-5 parts of lubricating oil and 5-10 parts of zinc oxide, and comprises
Selecting materials, and preparing the rotary high-quality raw materials;
preparing materials, namely storing the raw materials according to a certain mass ratio for use;
preparing powder, namely crushing, mixing, stirring and grinding the prepared raw materials;
extrusion molding, which is used for molding and fixing the prepared powder;
carbonizing for calcining the molded and fixed powder;
cooling, namely cooling the carbonized product;
activation, which is used for activating the cooled product;
and washing, namely washing the activated product.
Preferably, the activation temperature is 900-.
Preferably, the phosphoric acid has a molecular weight of 98, and a melting point of 42 ℃, and is in a white solid state.
Preferably, the method comprises the following steps:
the method comprises the following steps: selecting high-quality coal, sawdust, Chinese red pine, coconut shell, fruit shell and zinc oxide raw materials, screening the high-quality coal, sawdust, Chinese red pine, coconut shell, fruit shell and zinc oxide raw materials, taking out impurities in the raw materials, and then proportioning the raw materials according to a certain proportion;
step two: performing primary crushing on high-quality coal, sawdust, Chinese red pine, coconut shells, fruit shells and zinc oxide by using a mechanical crusher, and performing secondary crushing on the raw materials by using a ball milling method to ensure that the particle fineness of the materials reaches the particle fineness of processed proper powder;
step three: fully mixing the powder with proper fineness with water, adhesive, lubricating oil, petroleum coke, asphalt, phosphoric acid and zinc oxide in a stirring barrel;
step four: placing the mixed raw materials in a die for extrusion forming;
step five: drying, pre-carbonizing and carbonizing the processed raw materials;
step six: cooling and activating the carbonized raw materials, and activating by using a steam activation method to obtain a semi-finished product;
step seven: and washing the activated product.
Preferably, the drying treatment temperature is 20-150 ℃, the pre-carbonization treatment temperature is 50-275 ℃, and the carbonization treatment temperature is 75-400 ℃.
Preferably, the wood of the masson pine contains 62% cellulose.
Preferably, the raw materials are mixed by a rotary cubic mixer, and the mixing time is 30-40 minutes.
Preferably, the compression molding comprises powder filling and powder pressing film pressing, wherein the powder filling is performed by an excess powder filling method, and the powder pressing film is pressed by a floating pressing method.
Preferably, the cooling time is 5 to 6 hours, so that the washing time is 2 to 3 hours.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the special carbon, the special carbon is prepared from high-quality coal, sawdust, Chinese red pine wood, coconut shells, shells and zinc oxide according to a certain mixing ratio, the Chinese red pine wood, the high-quality coal, the sawdust, the coconut shells and the shells are used in a mixed mode to serve as main raw materials of a special carbon product, the Chinese red pine wood made of high-fiber materials is added while the activity of the special carbon is guaranteed, and the zinc oxide heavy metal is added, so that the fiber property of the special carbon is improved, the adsorption of the special carbon on organic gas is stronger, and the using effect of the special carbon is improved; the special carbon has stronger adsorbability to organic gas, and the use effect of the special carbon is improved;
2. the powder particle fineness suitable for processing during the stirring through setting up carries out the intensive mixing with water, adhesive, lubricating oil, petroleum coke, pitch, phosphoric acid in the agitator, and wherein the addition of petroleum coke, pitch, phosphoric acid makes the raw materials knead more easily when the suppression for multiple organic matter becomes single material, thereby is convenient for the staff to the compression moulding of raw materials, has improved the production efficiency of special charcoal.
Drawings
FIG. 1 is a schematic structural view of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are 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.
Referring to fig. 1, the carbon special for treating the organic gas in the urban groundwater comprises the following raw materials in parts by weight: 15-20 parts of high-quality coal, 10-15 parts of sawdust, 5-10 parts of masson pine, 10-15 parts of coconut shell, 10-15 parts of fruit shell, 2-5 parts of petroleum coke, 2-5 parts of asphalt, 1-3 parts of phosphoric acid, 10-20 parts of water, 5-8 parts of adhesive, 3-5 parts of lubricating oil and 5-10 parts of zinc oxide, and comprises
Selecting materials, and preparing the rotary high-quality raw materials;
preparing materials, namely storing the raw materials according to a certain mass ratio for use;
preparing powder, namely crushing, mixing, stirring and grinding the prepared raw materials;
extrusion molding, which is used for molding and fixing the prepared powder;
carbonizing for calcining the molded and fixed powder;
cooling, namely cooling the carbonized product;
activation, which is used for activating the cooled product;
and washing, namely washing the activated product.
According to the invention, the special carbon which is prepared from high-quality coal, sawdust, Chinese red pine, coconut shells, fruit shells and zinc oxide by adopting a certain mixing ratio is adopted as the raw materials, so that the special carbon has stronger adsorbability on organic gas, and the using effect of the special carbon is improved; the proper powder particle fineness is processed during stirring through the arrangement, and the powder particle fineness, the water, the adhesive, the lubricating oil, the petroleum coke, the asphalt and the phosphoric acid are fully mixed in the stirring barrel, so that the raw materials are easier to knead during pressing, and various organic substances are changed into single substances.
Example 1
As the preferred embodiment of the special carbon for treating the organic gas in the urban underground water, the activation temperature is 900-920 ℃.
In the embodiment, the activation is carried out by adopting a steam activation method, the activation time is 40-50 minutes, the first stage of the activation is the opening of pores which are formed during carbonization but are blocked by disordered carbon atoms and heteroatoms, namely, at high temperature, the activated gas firstly reacts with disordered carbon atoms and hetero atoms, the second stage is that the opened pores are continuously enlarged, run through and develop to depth, the carbon atoms at the edges of the pores are easy to react with the activated gas due to the unsaturated structure, the third stage is the formation of new pores, and as the activation reaction continues, new unsaturated carbon atoms or active sites are exposed on the surface of the crystallites, which in turn react with other molecules of the activating gas, and this uneven burning of the surface of the crystallites results in the formation of new pores.
Example 2
In a preferred embodiment of the carbon dedicated for treating organic gases in urban groundwater according to the present invention, the molecular weight of phosphoric acid is 98, the melting point of phosphoric acid is 42 ℃, and phosphoric acid is in a white solid state.
In this example phosphoric acid is a medium strong acid with a crystallization point of 21 c, below which hemihydrate crystals precipitate. Of course, phosphoric acid does not crystallize at temperatures above 10 ℃ and even below, because phosphoric acid has a super-cooled characteristic, i.e., phosphoric acid which is actually commercially available deviates from its crystallization point below 21 ℃ and does not crystallize immediately, and the addition of phosphoric acid makes the powder raw material more easily shaped when it is pressed.
Example 3
The preferable embodiment of the carbon special for treating the organic gas in the urban underground water comprises the following steps:
the method comprises the following steps: selecting high-quality coal, sawdust, Chinese red pine, coconut shell and shell raw materials, screening the high-quality coal, sawdust, Chinese red pine, coconut shell and shell raw materials, taking out impurities in the raw materials, and then batching the raw materials according to a certain proportion;
step two: performing primary crushing on high-quality coal, sawdust, Chinese red pine, coconut shells, fruit shells and zinc oxide by using a mechanical crusher, and performing secondary crushing on the raw materials by using a ball milling method to ensure that the particle fineness of the materials reaches the particle fineness of processed proper powder;
step three: fully mixing the powder with proper fineness with water, adhesive, lubricating oil, petroleum coke, asphalt, phosphoric acid, zinc oxide and zinc oxide in a stirring barrel;
step four: placing the mixed raw materials in a die for extrusion forming;
step five: drying, pre-carbonizing and carbonizing the processed raw materials;
step six: cooling and activating the carbonized raw materials, and activating by using a steam activation method to obtain a semi-finished product;
step seven: and washing the activated semi-finished product.
The particle size of the raw material powder in the production process of the special carbon in the embodiment is very important, the particle size directly influences the performance of the product, the particle size and the particle size distribution refer to the particle size, for the powder body, the particle size refers to the average particle size of the industrially manufactured powder, the particle size generally ranges from 0.1 to 400um, the particle size generally uses mesh number, the particle size is specially determined, such as a sieve analysis method, a microscope method, a sedimentation method and the like, the processing technology adopts the sieve analysis method for checking, certain influence is brought to sintering, such as proper powder particle size distribution, pores among the powder particles are small, the forming density is high, sintering is easy to carry out, and the used high-quality coal raw material is Ningxia taixi anthracite.
Example 4
As the preferred embodiment of the carbon special for treating the organic gas in the urban underground water, the drying treatment temperature is 20-150 ℃, the pre-carbonization treatment temperature is 50-275 ℃, and the carbonization treatment temperature is 75-400 ℃.
In this embodiment, the pyrolysis speed of the drying treatment is very slow, mainly the moisture contained in the wood is evaporated by the heat supplied from the outside, the chemical composition of the wood material is hardly changed, the pyrolysis speed of the pre-drying treatment is very slow, mainly the moisture contained in the wood is evaporated by the heat supplied from the outside, the chemical composition of the wood material is hardly changed, the wood material is rapidly thermally decomposed by the carbonization treatment, a large amount of decomposition products are generated, the generated liquid product contains a large amount of acetic acid, methanol and wood tar, the carbon dioxide content in the generated gas product is gradually reduced, and the combustible gases such as methane, ethylene and the like are gradually increased.
Example 5
As a preferred embodiment of the special carbon for treating the urban underground water organic gas, the wood of the masson pine contains 62% of cellulose.
In the embodiment, the defatted masson pine is an important raw material for papermaking and artificial fiber industries, the masson pine is also a main resin tree species produced in China, rosin is an important raw material for a plurality of light and heavy industries and is mainly used for industries such as papermaking, rubber, coating, paint, gluing and the like, and the arrangement of the masson pine with the cellulose of 62% enables the fibrous property of the special carbon to be improved, so that the adsorbability of the special carbon is improved.
Example 6
As the preferred embodiment of the special carbon for treating the organic gas in the urban underground water, a rotary cubic mixer is adopted for mixing raw materials, and the mixing time is 30-40 minutes.
The rotating cubic mixer in the embodiment is matched with the speed reducing motor, has the characteristics of low noise, durability and the like, can complete uniform mixing in a short time, has low energy consumption and high efficiency, is internally provided with the blades with single shafts rotating reversely, circularly stir the materials along the axial direction and the radial direction at a certain angle, ensures that the materials are rapidly and uniformly mixed, and can weaken the gravity of the materials along with the lack of the gravity when the speed reducing motor drives the rotating speed of the shaft and the structure of the blades, the difference of the particle size and the specific gravity of each material is ignored in the mixing process, the violent stirring motion shortens the time of one-time mixing, and the mixing is quicker and more efficient, even if the materials have the difference of specific gravity and particle size, the materials can reach good mixing effect under the rapid and violent tumbling and throwing of the stirring blades which are arranged in a staggered way, the mixing uniformity is high, the residual quantity is small, and various powders of ceramic raw materials can be mixed.
Example 7
As a preferred embodiment of the special carbon for treating the organic gas in the urban underground water, the compression molding comprises powder film filling and powder film pressing, wherein the powder film filling adopts an excessive powder filling method for powder filling, and the powder film pressing is carried out by a floating pressing method.
In the method for excessive powder loading in the embodiment, a core rod is lowered to the position of a lower punch, after powder falls into a cavity of a female die, the core rod is lifted to eject excessive powder, the ejected powder can be scraped away by a powder feeder, and the floating pressing method comprises the steps that in the pressing process, the female die is supported by a spring, the lower punch is fixed, the upper punch applies pressure, and when the friction between the wall of the female die and the powder is gradually increased to be larger than the supporting force of the spring along with the compression of the powder, the female die and the upper punch are lifted and lowered, namely the lower punch is lifted and lowered, like the bidirectional pressing.
Example 8
As a preferred embodiment of the special carbon for treating the organic gas in the urban underground water, the cooling time is 5 to 6 hours, so that the washing time is 2 to 3 hours.
In this embodiment, the heat exchanger can be used for recycling the heat generated by cooling the raw material during cooling, so that the environmental protection performance of the device is improved, the quality of the product is improved by washing, and the raw material is dried again after washing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The special carbon for treating the organic gas in the urban underground water is characterized in that: the feed comprises the following raw materials in parts by weight: 15-20 parts of high-quality coal, 10-15 parts of sawdust, 5-10 parts of masson pine, 10-15 parts of coconut shell, 10-15 parts of fruit shell, 2-5 parts of petroleum coke, 2-5 parts of asphalt, 1-3 parts of phosphoric acid, 10-20 parts of water, 5-8 parts of adhesive, 3-5 parts of lubricating oil and 5-10 parts of zinc oxide, and comprises
Selecting materials, and preparing the rotary high-quality raw materials;
preparing materials, namely storing the raw materials according to a certain mass ratio for use;
preparing powder, namely crushing, mixing, stirring and grinding the prepared raw materials;
extrusion molding, which is used for molding and fixing the prepared powder;
carbonizing for calcining the molded and fixed powder;
cooling, namely cooling the carbonized product;
activation, which is used for activating the cooled product;
and washing, namely washing the activated product.
2. The special carbon for urban groundwater organic gas treatment according to claim 1, wherein: the activation temperature is 900-920 ℃.
3. The special carbon for urban groundwater organic gas treatment according to claim 1, wherein: the molecular weight of the phosphoric acid is 98, the melting point of the phosphoric acid is 42 ℃, and the phosphoric acid is a white solid.
4. The special carbon for urban groundwater organic gas treatment according to claim 1, wherein: the method comprises the following steps:
the method comprises the following steps: selecting high-quality coal, sawdust, Chinese red pine, coconut shell and shell raw materials, screening the high-quality coal, sawdust, Chinese red pine, coconut shell and shell raw materials, taking out impurities in the raw materials, and then batching the raw materials according to a certain proportion;
step two: performing primary crushing on high-quality coal, sawdust, Chinese red pine, coconut shells and fruit shells by using a mechanical crusher, and performing secondary crushing on the raw materials by using a ball milling method to ensure that the particle fineness of the materials reaches the particle fineness of processed proper powder;
step three: fully mixing the powder with proper fineness with water, adhesive, lubricating oil, petroleum coke, asphalt, phosphoric acid and zinc oxide in a stirring barrel;
step four: placing the mixed raw materials in a die for extrusion forming;
step five: drying, pre-carbonizing and carbonizing the processed raw materials;
step six: cooling and activating the carbonized raw materials, and activating by using a steam activation method to obtain a semi-finished product;
step seven: and washing the activated semi-finished product.
5. The special carbon for urban groundwater organic gas treatment according to claim 4, wherein: the drying temperature is 20-150 ℃, the pre-carbonization temperature is 50-275 ℃, and the carbonization temperature is 75-400 ℃.
6. The special carbon for urban groundwater organic gas treatment according to claim 1, wherein: the wood of the masson pine contains 62% of cellulose.
7. The special carbon for urban groundwater organic gas treatment according to claim 4, wherein: the raw material mixing adopts a rotary cubic mixer, and the mixing time is 30-40 minutes.
8. The special carbon for urban groundwater organic gas treatment according to claim 4, wherein: the compression molding comprises powder film filling and powder film pressing, wherein the powder film filling adopts an excessive powder filling method to fill powder, and the powder film pressing adopts a floating pressing method to press.
9. The special carbon for urban groundwater organic gas treatment according to claim 4, wherein: the cooling time is 5-6 hours, resulting in a washing time of 2-3 hours.
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| CN1385368A (en) * | 2002-06-14 | 2002-12-18 | 郑国炉 | Method for making wooden quality granule shape activated char used in recovering solvent |
| CN103408012A (en) * | 2013-08-07 | 2013-11-27 | 江汉大学 | Method for preparing activated carbon from camellia seed waste residues |
| CN105314632A (en) * | 2014-07-18 | 2016-02-10 | 福建省荔元活性炭实业有限公司 | Processing technology for active carbon |
| CN107128916A (en) * | 2017-04-21 | 2017-09-05 | 句容市盛达环保净化材料有限公司 | A kind of sugar industry activated carbon |
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- 2020-05-06 CN CN202010370805.0A patent/CN111762780A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1385368A (en) * | 2002-06-14 | 2002-12-18 | 郑国炉 | Method for making wooden quality granule shape activated char used in recovering solvent |
| CN103408012A (en) * | 2013-08-07 | 2013-11-27 | 江汉大学 | Method for preparing activated carbon from camellia seed waste residues |
| CN105314632A (en) * | 2014-07-18 | 2016-02-10 | 福建省荔元活性炭实业有限公司 | Processing technology for active carbon |
| CN107128916A (en) * | 2017-04-21 | 2017-09-05 | 句容市盛达环保净化材料有限公司 | A kind of sugar industry activated carbon |
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Application publication date: 20201013 |