CN110358601A - A kind of production technology of small particle mechanism semi-coke charcoal for roasting - Google Patents
A kind of production technology of small particle mechanism semi-coke charcoal for roasting Download PDFInfo
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- CN110358601A CN110358601A CN201910677091.5A CN201910677091A CN110358601A CN 110358601 A CN110358601 A CN 110358601A CN 201910677091 A CN201910677091 A CN 201910677091A CN 110358601 A CN110358601 A CN 110358601A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/447—Carbonized vegetable substances, e.g. charcoal, or produced by hydrothermal carbonization of biomass
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/10—Treating solid fuels to improve their combustion by using additives
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The present invention provides a kind of production technology of small particle mechanism semi-coke charcoal for roasting.The production technology of the small particle mechanism semi-coke charcoal for roasting includes: S1, obtains raw material: coal being put into the inside by vertical, bipolar crusher, screening obtains the raw material that granularmetric composition requires after crushing by the second level of vertical, bipolar crusher；S2, stirring: being added sodium humate in the particulate material that grinding screen is selected in S1, then particulate material and sodium humate that grinding screen in S1 is selected are placed into the inside of blender.The production technology of small particle mechanism semi-coke charcoal for roasting provided by the invention, by the way that combustion adjuvant such as potassium permanganate is added after heat gelatinization, oxygen can be provided in combustion for carbon rod, so that carbon rod burning is more abundant, and the oxysulfide discharged in carbon rod combustion process can be absorbed, reduce the discharge of oxysulfide, not only viscosity increases, but also enhances cementitiousness, has given full play to adhesive bonding effect, charcoal for roasting intensity is promoted, product benefit is increased.
Description
Technical field
The present invention relates to charcoal for roasting field more particularly to a kind of production technologies of small particle mechanism semi-coke charcoal for roasting.
Background technique
Coal is that archaeophyte is imbedded in underground and experienced complicated biochemistry and physicochemical change and gradually forms
Solid combustible mineral, a kind of solid combustible organic rock, mainly by plant remains through biological chemistry action, again through geology after burying
Role transformation forms, and is commonly called as coal, and coal is a kind of mineral that may be used as fuel or the raw material of industry, it is that archaeophyte passes through
Biological chemistry action and geologic process and change its physics, chemical property, the black solid being made of elements such as charcoal, hydrogen, oxygen, nitrogen
Mineral.
Coke molding is the intensive process of carbon granule, and the granularmetric composition of carbon granule and coke form direct relationship；Meanwhile
The size of grain determines total specific surface area, and total specific surface area determines the case where carbon granule adheres to binder, and carbon granule is meticulous,
The usage amount of adhesive will increase, and cause the rising of enterprise's production cost, and carbon granule is excessively thick, and the specific surface area of particle is reduced, carbon rod
Closeness decline, the decline of the properties such as carbon rod wet strength, cold strength.
Therefore, it is necessary to which the production technology for providing a kind of small particle mechanism semi-coke charcoal for roasting solves above-mentioned technical problem.
Summary of the invention
The present invention provides a kind of production technology of small particle mechanism semi-coke charcoal for roasting, solves that carbon granule is excessively thick, the ratio of particle
The problem of surface area is reduced, carbon rod closeness decline, the properties such as carbon rod wet strength, cold strength decline.
In order to solve the above technical problems, the production technology of small particle mechanism semi-coke charcoal for roasting provided by the invention includes:
S1, it obtains raw material: coal being put into the inside by vertical, bipolar crusher, passes through the second level of vertical, bipolar crusher
Screening obtains the raw material that granularmetric composition requires after crushing；
S2, stirring: sodium humate, then the particle that grinding screen in S1 is selected are added in the particulate material that grinding screen is selected in S1
Raw material and sodium humate are placed into the inside of blender, are stirred evenly by blender, then place spare；
S3, steam and sultry: being added uncooked amylum, and be passed through steam in the mixed material being stirred in S2, adjusts vapour pressure
Power, after ventilation, then be placed into container tank carry out it is sultry；
S4, combustion adjuvant and desulfurizing agent is added in steam and sultry rear material for making clothes in S3, then is placed into the inside of blender, by stirring
Device is mixed to be mixed；
S5, conveying, the mixture that will be mixed in S4 by blender will be in S4 using the belt for having weighing balance
Before being delivered to molding machine by the mixture that blender is mixed, prepare molding；
S6, punch forming carry out punch forming by the mixture that molding machine will be delivered to, form carbon rod；
S7, drying, then by carbon rod stamping forming in S6, the inside of drying box is delivered to through conveyor belt, by drying box into
Row drying.
Preferably, the particulate material composition that the grinding screen in the S1 is selected are as follows: small particle: middle partial size: big partial size is equal to
1:1:3。
Preferably, the amount of the sodium humate in the S2 is 4-10 parts.
Preferably, the farinose amount in the S3 is 2-4 parts, and the duration of ventilation in the S3 is controlled in 1min or more,
90-110 DEG C of temperature of vapor (steam) temperature range is controlled in the S3.
Preferably, the sultry time is 5-10min in the container tank in the S3.
Preferably, the amount of combustion adjuvant is 1-3 parts in the S4, and desulfurizing agent is 3-6 parts.
Preferably, the briquetting pressure of molding machine is controlled in 5-10Mpa in the S6.
Preferably, the temperature inside the drying box in the S7 is 120 DEG C -200 DEG C, and the drying box in the S7 is
Chain-plate type drying box.
Preferably, the drying time in the S7 is 3-5 hours.
Compared with the relevant technologies, the production technology of small particle mechanism semi-coke charcoal for roasting provided by the invention has and has as follows
Beneficial effect:
The present invention provides a kind of production technology of small particle mechanism semi-coke charcoal for roasting, and coal is put by vertical, bipolar broken
The inside of machine, screening obtains the raw material that granularmetric composition requires after being crushed by the second level of vertical, bipolar crusher, in crushing and screening
Sodium humate is added in particulate material out, then the particulate material and sodium humate that grinding screen is selected are placed into blender
Portion is stirred evenly by blender, then places spare, uncooked amylum is added in the mixed material being stirred, and be passed through steam,
Adjust steam pressure, after ventilation, then be placed into container tank carry out it is sultry, steam and it is sultry after be added in material for making clothes it is combustion-supporting
Agent and desulfurizing agent, then it is placed into the inside of blender, it is mixed by blender, combustion adjuvant is added such as after heat gelatinization
The addition of potassium permanganate, combustion adjuvant can provide oxygen for carbon rod in combustion, so that carbon rod burning is more abundant；Desulfurization
Agent such as calcium oxide, can be absorbed the oxysulfide discharged in carbon rod combustion process, reduce the discharge of oxysulfide, will pass through stirring
The mixture that device is mixed, using the belt for having weighing balance, the mixture that will be mixed by blender
Before being delivered to molding machine, prepare molding, punch forming is carried out by the mixture that molding machine will be delivered to, forms carbon rod, molding
Pressure control is in 5-10Mpa, and when briquetting pressure is less than 5Mpa, coke powder can not be formed, and the carbon rods intensity such as wet strength, cold strength refers to
Rotating savings decline, while in carbon rod combustion process burning time can shorten, calorific intensity can also reduce；With the growth of briquetting pressure,
Ascendant trend is presented in the crushing resistance of carbon rod and wet, cold strength, but when briquetting pressure is greater than 10Mpa, the crushing resistance of carbon rod is clammy
There is more apparent decline in intensity, therefore the pressure limit that impact molding machine is controlled in production technology is 5-10Mpa, then will punching
Molded carbon rod is delivered to the inside of drying box through conveyor belt, is dried by drying box, obtains required product, leads to
It crosses again through semi-automatic baling line, packs cartonning, by the way that combustion adjuvant such as potassium permanganate is added after heat gelatinization, the addition of combustion adjuvant can
To provide oxygen in combustion for carbon rod, so that carbon rod burning is more abundant；Desulfurizing agent such as calcium oxide, can be absorbed carbon rod
The oxysulfide discharged in combustion process reduces the discharge of oxysulfide, and not only viscosity increases, but also enhances cementitiousness,
Adhesive bonding effect has been given full play to, charcoal for roasting intensity is promoted, has increased product benefit.
Detailed description of the invention
Fig. 1 is the structural representation of the first embodiment of the production technology of small particle mechanism semi-coke charcoal for roasting provided by the invention
Figure.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
First embodiment
Please refer to Fig. 1, wherein Fig. 1 is one kind of the production technology of small particle mechanism semi-coke charcoal for roasting provided by the invention
The structural schematic diagram of preferred embodiment.The production technology of small particle mechanism semi-coke charcoal for roasting includes:
S1, it obtains raw material: coal being put into the inside by vertical, bipolar crusher, passes through the second level of vertical, bipolar crusher
Screening obtains the raw material that granularmetric composition requires after crushing, and raw material is semi-coke herein, and semi-coke is abounded with high-quality using Shenfu coalfield
Made of sieve's dwarf essence coal cinder is fired, as a kind of novel carbon material, it is high with its fixed carbon, specific resistance is high, chemical activity is high,
Characteristic low containing ash, aluminium is low, sulphur is low, phosphorus is low is widely used in calcium carbide, ferroalloy, ferrosilicon, charcoal gradually to replace metallurgical coke
The production of the products such as SiClx becomes a kind of irreplaceable carbon material；
S2, stirring: sodium humate, then the particle that grinding screen in S1 is selected are added in the particulate material that grinding screen is selected in S1
Raw material and sodium humate are placed into the inside of blender, are stirred evenly by blender, then place spare；
S3, steam and sultry: being added uncooked amylum, and be passed through steam in the mixed material being stirred in S2, adjusts vapour pressure
Power, after ventilation, then be placed into container tank carry out it is sultry；
S4, combustion adjuvant and desulfurizing agent is added in steam and sultry rear material for making clothes in S3, then is placed into the inside of blender, by stirring
It mixes device to be mixed, combustion adjuvant such as potassium permanganate is added after heat gelatinization, the addition of combustion adjuvant can burn for carbon rod
Oxygen is provided in the process, so that carbon rod burning is more abundant；Desulfurizing agent such as calcium oxide, can be absorbed and discharge in carbon rod combustion process
Oxysulfide, reduce the discharge of oxysulfide；
S5, conveying, the mixture that will be mixed in S4 by blender will be in S4 using the belt for having weighing balance
Before being delivered to molding machine by the mixture that blender is mixed, prepare molding；
S6, punch forming carry out punch forming by the mixture that molding machine will be delivered to, and form carbon rod, briquetting pressure control
In 5-10Mpa, when briquetting pressure is less than 5Mpa, coke powder can not be formed, the carbon rods such as wet strength, cold strength intensity index can under
Drop, at the same in carbon rod combustion process burning time can shorten, calorific intensity can also reduce；With the growth of briquetting pressure, carbon rod
Ascendant trend is presented in crushing resistance and wet, cold strength, but when briquetting pressure is greater than 10Mpa, the crushing resistance of carbon rod, clammy intensity goes out
Now more apparent decline, therefore the pressure limit that impact molding machine is controlled in production technology is 5-10Mpa；
S7, drying, then by carbon rod stamping forming in S6, the inside of drying box is delivered to through conveyor belt, by drying box into
Row drying obtains required product, then through semi-automatic baling line, packs cartonning.
The particulate material composition that grinding screen in the S1 is selected are as follows: small particle (< 0.5mm): middle partial size (0.5-1mm):
Big partial size (1-3mm)=1:1:3, carbon granule is meticulous, and the usage amount of adhesive will increase, and causes the rising of enterprise's production cost, carbon granule
Cross thick, the specific surface area reduction of particle, the decline of carbon rod closeness, the decline of the properties such as carbon rod wet strength, cold strength.
The amount of sodium humate in the S2 is 4-10 parts.
Farinose amount in the S3 is 2-4 parts, and the duration of ventilation in the S3 controls in 1min or more, the S3
90-110 DEG C of temperature of vapor (steam) temperature range is controlled, vapor (steam) temperature is controlled at 90-110 DEG C and certain duration of ventilation is to protect
Uncooked amylum in card mixed material substantially achieves starch gelatinization temperature.Sultry 5-10min is conducive to the hydrone of certain energy
Into inside starch molecule particle, the hydrogen bond on starch molecule is destroyed, this starch granules volume increases, and viscosity increases, and bonds energy
Power enhancing.
The sultry time is 5-10min in container tank in the S3.
The amount of combustion adjuvant is 1-3 parts in the S4, and desulfurizing agent is 3-6 parts.
The briquetting pressure of molding machine is controlled in 5-10Mpa in the S6.
The temperature inside drying box in the S7 is 120 DEG C -200 DEG C, and the drying box in the S7 is chain-plate type
Drying box.
Drying time in the S7 is 3-5 hours.
The working principle of the production technology of small particle mechanism semi-coke charcoal for roasting provided by the invention is as follows:
Coal is put into the inside by vertical, bipolar crusher, sieves and obtains after being crushed by the second level of vertical, bipolar crusher
The raw material that granularmetric composition requires is obtained, sodium humate is added in the particulate material that grinding screen is selected, then grinding screen in S1 is selected
Particulate material and sodium humate be placed into the inside of blender, stirred evenly by blender, then place it is spare, it is mixed in stirring
Uncooked amylum is added in the mixed material of conjunction, and is passed through steam, adjusts steam pressure, after ventilation, then is placed into container tank
Sultry, addition combustion adjuvant and desulfurizing agent in steam and sultry rear material for making clothes are carried out, then is placed into the inside of blender, passes through stirring
Device is mixed, the mixture that will be mixed by blender, will be by stirring using the belt for having weighing balance
Mix before the mixture that device is mixed is delivered to molding machine, prepare molding, the mixture that will be delivered to by molding machine into
Row punch forming forms carbon rod, then by stamping forming carbon rod, the inside of drying box is delivered to through conveyor belt, passes through drying
Case is dried.
Compared with the relevant technologies, the production technology of small particle mechanism semi-coke charcoal for roasting provided by the invention has and has as follows
Beneficial effect:
Coal is put into the inside by vertical, bipolar crusher, sieves and obtains after being crushed by the second level of vertical, bipolar crusher
The raw material that granularmetric composition requires is obtained, sodium humate, then that grinding screen is selected are added in the particulate material that grinding screen is selected
Grain raw material and sodium humate are placed into the inside of blender, are stirred evenly by blender, then place it is spare, what is be stirred
Uncooked amylum is added in mixed material, and is passed through steam, adjusts steam pressure, after ventilation, then is placed into container tank and carries out
It is sultry, steam and it is sultry after combustion adjuvant and desulfurizing agent are added in material for making clothes, then be placed into the inside of blender, by blender into
Row is mixed, and combustion adjuvant such as potassium permanganate is added after heat gelatinization, the addition of combustion adjuvant can be for carbon rod in combustion
Oxygen is provided, so that carbon rod burning is more abundant；The sulphur oxygen discharged in carbon rod combustion process can be absorbed in desulfurizing agent such as calcium oxide
Compound reduces the discharge of oxysulfide, the mixture that will be mixed by blender, uses the skin for having weighing balance
Band before the mixture being mixed by blender is delivered to molding machine, prepares molding, will be delivered to by molding machine
Mixture carry out punch forming, form carbon rod, briquetting pressure control is in 5-10Mpa, and when briquetting pressure is less than 5Mpa, coke powder is simultaneously
Cannot form, the carbon rods such as wet strength, cold strength intensity index can decline, while in carbon rod combustion process burning time can shorten,
Calorific intensity can also reduce；With the growth of briquetting pressure, ascendant trend is presented in the crushing resistance of carbon rod and wet, cold strength, but treats as
When type pressure is greater than 10Mpa, there is more apparent decline in the crushing resistance of carbon rod, clammy intensity, therefore controls in production technology
The pressure limit of impact molding machine is 5-10Mpa, then by stamping forming carbon rod, is delivered in drying box through conveyor belt
Portion is dried by drying box, obtains required product, by through semi-automatic baling line, packing cartonning again, by being gelatinized in heat
Combustion adjuvant such as potassium permanganate is added afterwards, the addition of combustion adjuvant can provide oxygen for carbon rod in combustion, so that carbon rod fires
It burns more abundant；Desulfurizing agent such as calcium oxide, can be absorbed the oxysulfide discharged in carbon rod combustion process, reduces oxysulfide
Discharge, not only viscosity increases, but also enhances cementitiousness, has given full play to adhesive bonding effect, promotes charcoal for roasting intensity,
Increase product benefit.
Second embodiment
The production technology suitable for small particle mechanism semi-coke charcoal for roasting that first embodiment based on the application provides, the application's
Second embodiment proposes the production technology of another small particle mechanism semi-coke charcoal for roasting.Second embodiment is only first embodiment
The implementation of preferred mode, second embodiment will not impact the independent implementation of first embodiment.
Specifically, the difference of the production technology for the small particle mechanism semi-coke charcoal for roasting that the second embodiment of the application provides
It is in the production technology of small particle mechanism semi-coke charcoal for roasting, the semi-coke by S1 is crushed to three kinds of partial sizes: small particle
(partial size < 0.5mm): middle partial size (partial size 0.5-1mm): big partial size (partial size 1-3mm), and according to the granularmetric composition of 1:1:3
Carry out coal blending；7% sodium humate is added in the raw material that coal blending is completed, stirs evenly；3% is added in said mixture material
Uncooked amylum, air agitation, duration of ventilation 10min, 100 DEG C of temperature；2% combustion adjuvant is added, 4% desulfurizing agent stirs evenly；
Punch forming；It is dried at 150 DEG C, the carbon rod after being dried.
The carbon rod for taking 1.5kg experiment preparation, according to industry standard methods, using special instrument to the wet strength of carbon rod, cold
The properties such as intensity, low heat valve, ash content, sulfur content, burning time measure, and every measurement data is as shown in the table:
| Wet strength | ≥400N |
| Cold strength | ≥900N |
| Calorific value (low level) | ≥6000kcal/KG |
| Ash content | ≤10% |
| Sulfur content | ≤0.4% |
| Burning time | ≥3.5h |
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to be said using the present invention
Equivalent structure or equivalent flow shift made by bright book and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (9)
1. a kind of production technology of small particle mechanism semi-coke charcoal for roasting characterized by comprising
S1, it obtains raw material: coal being put into the inside by vertical, bipolar crusher, passes through the second level of vertical, bipolar crusher
Screening obtains the raw material that granularmetric composition requires after crushing；
S2, stirring: sodium humate, then the particle that grinding screen in S1 is selected are added in the particulate material that grinding screen is selected in S1
Raw material and sodium humate are placed into the inside of blender, are stirred evenly by blender, then place spare；
S3, steam and sultry: being added uncooked amylum, and be passed through steam in the mixed material being stirred in S2, adjusts vapour pressure
Power, after ventilation, then be placed into container tank carry out it is sultry；
S4, combustion adjuvant and desulfurizing agent is added in steam and sultry rear material for making clothes in S3, then is placed into the inside of blender, by stirring
Device is mixed to be mixed；
S5, conveying, the mixture that will be mixed in S4 by blender will be in S4 using the belt for having weighing balance
Before being delivered to molding machine by the mixture that blender is mixed, prepare molding；
S6, punch forming carry out punch forming by the mixture that molding machine will be delivered to, form carbon rod；
S7, drying, then by carbon rod stamping forming in S6, the inside of drying box is delivered to through conveyor belt, by drying box into
Row drying.
2. the production technology of small particle mechanism semi-coke charcoal for roasting according to claim 1, which is characterized in that in the S1
The particulate material composition that grinding screen is selected are as follows: small particle: middle partial size: big partial size is equal to 1:1:3.
3. the production technology of small particle mechanism semi-coke charcoal for roasting according to claim 1, which is characterized in that in the S2
The amount of sodium humate is 4-10 parts.
4. the production technology of small particle mechanism semi-coke charcoal for roasting according to claim 1, which is characterized in that in the S3
Farinose amount is 2-4 parts, and the duration of ventilation in the S3 is controlled controls vapor (steam) temperature range in 1min or more, the S3
90-110 DEG C of temperature.
5. the production technology of small particle mechanism semi-coke charcoal for roasting according to claim 1, which is characterized in that in the S3
The sultry time is 5-10min in container tank.
6. the production technology of small particle mechanism semi-coke charcoal for roasting according to claim 1, which is characterized in that helped in the S4
The amount for firing agent is 1-3 parts, and desulfurizing agent is 3-6 parts.
7. the production technology of small particle mechanism semi-coke charcoal for roasting according to claim 1, which is characterized in that in the S6 at
The briquetting pressure of type machine is controlled in 5-10Mpa.
8. the production technology of small particle mechanism semi-coke charcoal for roasting according to claim 1, which is characterized in that in the S7
Temperature inside drying box is 120 DEG C -200 DEG C, and the drying box in the S7 is chain-plate type drying box.
9. the production technology of small particle mechanism semi-coke charcoal for roasting according to claim 1, which is characterized in that in the S7
Drying time is 3-5 hours.
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| CN111575080A (en) * | 2020-05-27 | 2020-08-25 | 宋彦兵 | Machine-made environment-friendly charcoal and processing and manufacturing method thereof |
| CN111996053A (en) * | 2020-09-07 | 2020-11-27 | 内蒙古万众炜业科技环保股份公司 | Production process of small-particle-size machine-made semi-coke barbecue carbon |
| CN113265283A (en) * | 2021-05-07 | 2021-08-17 | 内蒙古万众炜业科技环保股份公司 | Preparation method of small-particle-size machine-made semi-coke barbecue carbon |
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