Some standard content:
[CS 27.100
Registration No.: 15381-2005
Electric Power Industry Standard of the People's Republic of China
IL/T95B—2005
Replaces SD329—1989
Terminology of fuel for power plant2005-02-14 Issued
2005-06-01 Implementation
Issued by the National Development and Reform Commission of the People's Republic of China
Normative references
Coal and coal chemical basis
Coal classification
Coal products
Coal for power generation and related equipment
Coal mining and sampling
Coal quality analysis,
Coal process properties
Coal quality analysis standard:
Fuel oil and other fuels
DL/ T 958 - 2005
DLIT958—2005
This standard is based on the arrangement of the former State Economic and Trade Commission's "Notice on the Preparation and Revision of Standards for the Electric Power Industry in 2001" (Electric Power Industry Standard No. 2000170), and amends the original 5D329-1989 Table 3 of the Technical Specification for Fuel Quantity Supervision in Thermal Power Plants. This standard makes the following changes to SD329—1989: Add some new terms:
Modify the definitions of some terms: Revise some terms Mo Wen's comment: The arrangement of some terms has been changed, except for the content of statistical analysis.
This standard is proposed by the China Electricity Council. This standard is drafted by the Power Plant Chemical Standardization Technical Committee of the Power Industry. The main drafting units of this standard are Wuhan University and China Energy Power Industry Fuel Company. The main drafters of this standard are Ye Chunsong and Zhuo Shan. The standard was entrusted to Wuhan University for revision and interpretation. 1
1 Scope
Terms of Electric Fuel
This standard specifies the names of terms of electric fuel. English translation: This standard applies to technical standards, technical documents, scientific and technological books, journals, materials and books of electric fuels. 2 Normative reference documents
DL/T95B.-2005
The clauses in the following documents become the clauses of the standard through the reference of this standard. For all the referenced documents with a certain date, all the subsequent revisions (excluding the contents of errors) are not applicable to this standard. However, the latest versions of these documents can be used by the parties who have reached an agreement on this standard. H-th issue of the referenced document, the latest version of which shall apply to this standard.
GB/13715 Coal quality and refining analysis related terms 3 Coal and coal chemistry basis
Burning coal
The solid organic combustible sediment formed by ancient plant bodies, which are immersed in water and undergo biochemical reactions, are covered and compacted by strata, and are transformed through geochemical reactions:
Mudification
peatncatlon
The process by which plants form sediments through biochemical and physicochemical changes in marshes. 3.3
Sapropelization
The process by which algae and plankton form sediments through biochemical and physicochemical changes under reducing conditions. 3.4
Proncese of coal-farm action The process by which ancient organisms (or plankton) form coal through the processes of peatification (or phreaticification) and coalification. 3.5
Metamorphism metamorphism is the process by which lignite changes to bituminous coal due to heat and pressure, and there is no change in the coal. 3.6
Degree of metamorphism degree metamorphism is the degree of change of coal to smoke, namely the degree of metamorphism, 3.7
Degree of coalification degree of coalification is the degree of coalification in the process of coal formation, 3.8
Coalification coalification is the process by which peat or sapropel gradually changes into various types of coal, which includes diagenesis and metamorphism. 1
DL/ T 95B—2005
4 Classification of coal explosion
Categories of coal explosions are divided into major categories according to the coalification degree and process performance indicators. 4.2
Sub-classification gmup
The different properties and uses of the root skirt coal further classify the categories. 4.3
Coal rank
The depth of coalification.
Gained coal hrowo cnal, 1lgnlte
Coal with low coalification degree, mostly yellow in appearance, dull luster, containing high inherent moisture and different amounts of humus 4.5
Secondary smoke explosion kahhitomtonus coal
International coal seam coal classification, low-rank coal with constant humidity ash-free high calorific value of 20MJ/k to less than 24MJ/k6. 4.6
Smoky coal
Coal with a higher degree of coalification than lignite but lower than anthracite, characterized by a wide range of volatile matter production, ranging from no coking to strong coking when coking alone, and smoke when burning:
Smokeless coal
Coal with a higher degree of coalification, low volatile matter, high temperature, low ignition temperature, no adhesion, and usually no smoke when burning. 4.B
Hard coal
The general term for bituminous coal and anthracite, which refers to coal with a calorific value greater than or equal to 24MJ/K on a wet ash-free basis, or a calorific value less than 24MJ/K on a constant-humidity ash-free basis, but with a mass average random reflectance greater than or equal to 0.6%. 4.9
Long flame coal long ame coRl
The lowest metamorphic degree, the highest volatile matter, generally does not coke, and the fire is long when burning. 4.10
Don-cakingcoa
A bituminous coal with a relatively low metamorphic degree, a wide range of volatiles, and cohesiveness. 4.11
Weakly cakimg cnal
A bituminous coal with a relatively low metamorphic degree and a relatively wide range of volatiles, and cohesiveness is between non-caking coal and 1/2 medium-caking coal. 4.12
12 Medium-caking coal Lmedlumitakmgcoal
A bituminous coal with a cohesiveness between gaseous coal and weakly cakimg coal, and a relatively wide range of volatiles. 4.13
Coal gRS COm
A bituminous coal with a relatively low metamorphic degree and a high volatile matter. When coking alone, the coke surface is slender, the most broken, and has strong longitudinal cracks. 2
1/3 Natural coal1/3 cokimg com]
DL/T958—2005
A strong cohesive bituminous coal with medium or high volatile matter between coking coal, fat coal and gas coal. When coking alone, it can produce strong charcoal.
Gas fat coalras-fat conl
A bituminous coal with high volatile matter and strong cohesiveness. When coking alone, it can produce a large amount of coal gas and colloid, but cannot produce high-strength coke.
Fat ato
A medium-grade flue gas, when coking alone, can produce a good charcoal with good fusibility: but it has more cross-reaction effect, and the root part has honeycomb.
Prinnary coking coel
Coal with a high degree of metamorphism. When coking alone, the resulting colloid has good thermal stability, the resulting coke has a large thermal stability, few cracks and is strong.
Kean coal
Smoke coal with a relatively continuous metamorphism. When coking alone, most of it can be coked. The hot charcoal has large pieces and few cracks, but poor fusibility and low wear resistance.
Mepger Jean coal
Bituminous coal with a high degree of metamorphism, poor coking properties and low volatile matter has a lower coking property than lean coal. 4.20
Meager coal
Bituminous coal with the lowest degree of metamorphism and volatile matter, not coking; 4.21
Weathered coal
Coal with increased oxygen content, lower calorific value, and containing organic matter, which has undergone significant changes in properties due to weathering. 5. Coal products
Run-mine coal
Coal produced from coal mines without any processing; 5.2
Taw coal
Coal obtained by selecting pyrite and other impurities of specified particle size from the raw coal. 5.3
commercil coal
coal that is exported as a commodity.
wasbed coel
washed coal
coal that has been washed and selected.
DL./T 958 2005
camed eoal
coal that has been processed and produced from the mountain and meets the quality requirements. 5.6
nefusencoad
coal grinding stone
stone mixed with coal from the top, plate or coal seam during the coal grinding process. 5.7
midd coal
coal obtained after fine grinding, with the quality between clean coal and coal grinding stone. 5.8
ash(ary rejecls
high-grade product discharged from the process of coal washing. 5.9
slimeconl
coal with a particle size of less than 0.5mm, a washed coal product, 5.10
sareened coal
coal processed by a sieve tower.
particle size
particle size coel
coal is processed by screening or selection to produce products with a particle size lower limit of less than 6. 5.13
lower limit rate ndereizeacnn
the mass percentage of the part with a particle size smaller than the specified size in the above product, 5.14
overszefrartion
the mass fraction of the part with a particle size greater than the specified size in the screened product, 5.15
ultra large ual
coal with a particle size less than 100mm.
large lump coallarge coal
Coal with a fineness of 50mm.
Medium-slzedcoal
Coal with a particle size between 25mm--5Umm. 5.18
Small-sized coal
Coal with a particle size between 13mm and 25mm.
Pea coal
Coal with a particle size between 6mm and 13mm.
Mixed blasted coal
Dry coal with a particle size greater than 13mm
Mixed medium-sized coal with a particle size between 13mm and 80mm. Mixedcoal
Particle size less than 50mm 5.24
Powdered coal
Coal with a particle size less than 25mm or less than 13mm. 5.25
Powdered coal
Coal with a particle size less than fmm,
DLR band
Mineral layer sandwiched in the coal seam.
Refuse-content
The mass percentage of coal in the coal.
B Coal for power generation and related equipment
DL /T9582005
Pulvertzed coal
Usually refers to the powdered coal milled by the coal machine, with a particle size generally less than 1uum, with 20m~50Wn particles as the half, 6.2
Incoming sample zoal as received
coal transported to thermal power generation by means of transport! 6.3
toalized
coal with full moisture entering the furnace room. 6.4
pulverized coal entering the furnace pulverized coal meeting the fineness requirements entering the boiler, 6.5
special equivalent, standard coal coal euivalent energy unified conversion measurement unit. Any energy that can produce 29.27M/kg low calorific value can be converted into 1kg coal equivalent value. 6.6
Standard coal consumption rate The mass of standard coal consumed per 1kw·h of electricity produced, unit (kw·h) or (kwb): 5
DL/T958—2005
The mass of standard coal consumed for power supply per kw·h of electricity output by a power plant 6.8
Coal yard coalTard
A place for storing coal in power generation.
Coal storage, coal storage coalturage
Coal stored in a coal yard.
Unloading chute The coal handling road used for receiving and transferring incoming coal. 6.11
Coal dust,dut
Coal dust generated during coal cutting and transportation 6.12
cnathunker
Equipment for storing crushed and dried wood in the pulverizing system of a power plant. 6.13
Zoal feeder
Equipment for supplying coal from the drying plate to the pulverizer, 6.14
Coal pulverizer
Equipment for crushing raw coal into pulverized coal According to the speed of the grinding parts, power plant pulverizers are generally divided into low-speed submerged pulverizers (speed 15r/min~-25r/min), medium-speed coal pulverizers (speed 40r/min~300r/min) and high-speed coal pulverizers (speed 500r/min~~1500c/min).
Ball-roller coal mill, ball-tube mill A coal mill with steel balls in the drum.
Double-inlet and double-outlet ball mill Dmuble-ended ball mill A coal mill with two symmetrical grinding circuits, both ends of which have inlets and notches: 6.17
Medium-speed ball mill, E-type coal mill Ring-h
A medium-speed coal mill with grinding parts extending up and down, steel balls placed in the middle, and steel balls energized by elastic or gas. 6.18
Medium-speed flat-plate coal mill Hng-rollml
A medium-speed coal mill with a rotatable grinding disc at the bottom, which is pressed on the grinding disc by the action of elastic or gas and rotates in situ with the grinding disc. 6.19
Medium speed coal mill (RP mill),
bnlmln
Medium speed coal mill with the bottom friction disc driven by an electric motor and the inner rollers pressed by springs: 6.20
Medium speed coal mill (MPS mill)
whol m
Medium speed coal mill with the rotor rotating along its fixed axis. Fan type coal millmcut
High speed coal mill that generates the force through the high speed movement of the impeller. 6.22
Percussion coal millheatermll
High speed mill that generates the force through the chain of the rotating motion: 6.23
Burning furnace
al-nred boiler
Considering the protection of coal.
Pulverized-fuel boiler [pulverized-fuelbaer A boiler that burns pulverized coal.
Pulverized coal preparation Pulverized coal preparation is the process of preparing coal into pulverized coal using certain equipment and processes. 6.26
Coal pulverizing system coalpreragsrstem A system consisting of equipment, storage devices and pipelines for preparing large particles of coal into pulverized coal. 6.27
Direct-fired coal pulverizing system is a type of pulverizing system that uses pneumatic conveying to directly feed the pulverized coal produced by the pulverizer into the furnace combustion environment. 6.28
Storage type combustion and pulverizing system colpalverlzigBystes surface typeofstorgebunkerDL/T958—2005
A pulverizing system that uses a cyclone separator to separate gas and powder, stores the coal powder in the coal powder bin, and then feeds the coal powder into the boiler through a powder feeder.
Fluidized bed pig burning uabinationfcoelonldzedbed strain in a fluidized bed with a large amount of high-humidity bed material leakage, reverse combustion. 7 Sampling and sample preparation of coal
Coal sample chalample
It is a representative test rod taken according to the consumption determination method to determine some characteristics of coal. 7.2
Incoming sampling
The process of taking representative coal samples according to the prescribed method. 7.3
Sampling unit
In order to control the number of samples, a single type of coal is taken as a relatively independent test object. 7.4
Independent coal bodies that need to be tested for overall properties. A batch of coal can be one or more sampling units. 7
DL/T958—2005
Sub-sample increment
A coal sample taken when the deep group instrument is operated once or the whole section of the coal flow is measured once. 7.6
GroscoulHraple
A coal sample formed by combining all the sub-samples taken from individual sampling units. 7.7
Partial sampling
A part of the sample that can represent the whole sampling unit, and is not used to prepare a real sample or test sample. 7.B
Random sampling
When taking samples, the sampling location or time is not artificially selected, so that any part of the sample has the opportunity to be sampled.
Systematic sampling
Taking samples at the same time, space or interval, but the first sample is randomly collected within the first interval, and the remaining samples are taken at the selected interval.
Multiple sampling
Taking a number of samples from a sampling unit and putting them into multiple containers in turn. The quality of the samples in each container is close to each other, and each sample can represent the quality of the whole sampling unit. Usually used for sampling material testing. 7.11
Commercial baking sample sampkefarcommerciolcoa] represents the sample of commercial uniformity,
Floating coal sample oatco sanple
Controlled density heavy liquid separation, coal sample floating on the top. 7.13
Sunk blasting sample sjnkaumule
A coal sample that sinks to the top after a certain density heavy liquid separation, 7.14
Incoming coal sample
coal sinnple as reccived
Selected from the incoming coal.
Incoming furnace blasting sample cunlsamplesnred
Coal rods taken from the incoming coal.
Total moisture coal sample coalsumplefiorcetcrminlngtotalmolstureA part of the coal sample specially taken from the total sample at the specified end is separated and directly transferred to the determination of total moisture: 1.17
Experimental direct refining sample coalsmpleForlubratury: The coal sample with particle size below 3mm and sent to the laboratory for further preparation is 7.18
Analytical drying sample general nnhysia coal gampleDL/T958—2005
According to the prescribed sample preparation procedure, the standard coal is crushed to particle size less than 0.2mm, and the humidity is balanced with the air in the laboratory, and the physical and chemical properties of the coal sample are determined. 7.19
Standard sample is a coal sample that has been evaluated by the national specialized agency and has high uniformity, good stability and accuracy.
Mechanical sampling mechanicalsanpHng
A sampling method that uses a mechanical device that meets the sampling requirements to take coal samples. 7.21
Mechanical sampling and preparing system is a mechanical sampling and preparing system used for on-site sampling and preparation of coal samples, which usually includes a sampling machine, a coal crusher and a separator. 7.22
Sampler
The sampling part of a mechanical sampler, including the sampling machine and its transmission mechanism. 7.23
Manual sampling menoal mphng
A sampling method that uses a tool that meets the sampling requirements to take coal samples manually. 7.24
Sample instrument
The tool used for sampling that meets the specified requirements. 7.25
Sample preparation
The process of converting the initial coal sample into the required shape for coal quality determination through crushing, screening, mixing, separation and air drying.
Coal sample crush
The process of reducing the coal sample particle size by mechanical or manual methods during the sample preparation process. 7.27
Coal samptesieting
The process of selecting coal samples of a certain particle size from coal rods using a sieve with a selected aperture. 7.28
Coal sampling and separationTaixing
The process of beating all the coal that has passed through a sieve with a certain aperture and has uneven particle size into uniform pieces.7.29
Coal sampling and separation
During the coal sample preparation process, the coal samples are divided into coals with similar properties according to the prescribed method; one portion is used as the coal for further preparation or as a laboratory coal sample, and the rest is discarded.7.30
Cone quartering methodCone and quartering methodTake the coal coke with a particle size below a certain value after being crushed and sieved, drop it vertically from a fixed direction, and form a cone-shaped coal with uniform particle size. Then form two cakes with single grooves, and use a ten-pointer to separate them into two equal shapes, and take the two opposite shapes.13
Sunk blasting samplessjnkaumule
The coal samples that sink to the top by the dense heavy liquid separation method are 7.14
Incoming coal samples
coal sinnple as reccived
with the coal selected from the incoming coal.
Incoming blasting samplescunlsamplesnred
The coal rods taken from the incoming coal.
Total moisture coal sample coalsumplefiorcetcrminlngtotalmolstureA part of the coal sample specially taken from the total sample at the specified end is separated and directly transferred to the determination of total moisture: 1.17
Experimental direct refining sample coalsmpleForlubratury: The coal sample with particle size below 3mm and sent to the laboratory for further preparation is 7.18
Analytical drying sample general nnhysia coal gampleDL/T958—2005
According to the prescribed sample preparation procedure, the standard coal is crushed to particle size less than 0.2mm, and the humidity is balanced with the air in the laboratory, and the physical and chemical properties of the coal sample are determined. 7.19
Standard sample is a coal sample that has been evaluated by the national specialized agency and has high uniformity, good stability and accuracy.
Mechanical sampling mechanicalsanpHng
A sampling method that uses a mechanical device that meets the sampling requirements to take coal samples. 7.21
Mechanical sampling and preparing system is a mechanical sampling and preparing system used for on-site sampling and preparation of coal samples, which usually includes a sampling machine, a coal crusher and a separator. 7.22
Sampler
The sampling part of a mechanical sampler, including the sampling machine and its transmission mechanism. 7.23
Manual sampling menoal mphng
A sampling method that uses a tool that meets the sampling requirements to take coal samples manually. 7.24
Sample instrument
The tool used for sampling that meets the specified requirements. 7.25
Sample preparation
The process of converting the initial coal sample into the required shape for coal quality determination through crushing, screening, mixing, separation and air drying.
Coal sample crush
The process of reducing the coal sample particle size by mechanical or manual methods during the sample preparation process. 7.27
Coal samptesieting
The process of selecting coal samples of a certain particle size from coal rods using a sieve with a selected aperture. 7.28
Coal sampling and separationTaixing
The process of beating all the coal that has passed through a sieve with a certain aperture and has uneven particle size into uniform pieces.7.29
Coal sampling and separation
During the coal sample preparation process, the coal samples are divided into coals with similar properties according to the prescribed method; one portion is used as the coal for further preparation or as a laboratory coal sample, and the rest is discarded.7.30
Cone quartering methodCone and quartering methodTake the coal coke with a particle size below a certain value after being crushed and sieved, drop it vertically from a fixed direction, and form a cone-shaped coal with uniform particle size. Then form two cakes with single grooves, and use a ten-pointer to separate them into two equal shapes, and take the two opposite shapes.13
Sunk blasting samplessjnkaumule
The coal samples that sink to the top by the dense heavy liquid separation method are 7.14
Incoming coal samples
coal sinnple as reccived
with the coal selected from the incoming coal.
Incoming blasting samplescunlsamplesnred
The coal rods taken from the incoming coal.
Total moisture coal sample coalsumplefiorcetcrminlngtotalmolstureA part of the coal sample specially taken from the total sample at the specified end is separated and directly transferred to the determination of total moisture: 1.17
Experimental direct refining sample coalsmpleForlubratury: The coal sample with particle size below 3mm and sent to the laboratory for further preparation is 7.18
Analytical drying sample general nnhysia coal gampleDL/T958—2005
According to the prescribed sample preparation procedure, the standard coal is crushed to particle size less than 0.2mm, and the humidity is balanced with the air in the laboratory, and the physical and chemical properties of the coal sample are determined. 7.19
Standard sample is a coal sample that has been evaluated by the national specialized agency and has high uniformity, good stability and accuracy.
Mechanical sampling mechanicalsanpHng
A sampling method that uses a mechanical device that meets the sampling requirements to take coal samples. 7.21
Mechanical sampling and preparing system is a mechanical sampling and preparing system used for on-site sampling and preparation of coal samples, which usually includes a sampling machine, a coal crusher and a separator. 7.22
Sampler
The sampling part of a mechanical sampler, including the sampling machine and its transmission mechanism. 7.23
Manual sampling menoal mphng
A sampling method that uses a tool that meets the sampling requirements to take coal samples manually. 7.24
Sample instrument
The tool used for sampling that meets the specified requirements. 7.25bzxZ.net
Sample preparation
The process of converting the initial coal sample into the required shape for coal quality determination through crushing, screening, mixing, separation and air drying.
Coal sample crush
The process of reducing the coal sample particle size by mechanical or manual methods during the sample preparation process. 7.27
Coal samptesieting
The process of selecting coal samples of a certain particle size from coal rods using a sieve with a selected aperture. 7.28
Coal sampling and separationTaixing
The process of beating all the coal that has passed through a sieve with a certain aperture and has uneven particle size into uniform pieces.7.29
Coal sampling and separation
During the coal sample preparation process, the coal samples are divided into coals with similar properties according to the prescribed method; one portion is used as the coal for further preparation or as a laboratory coal sample, and the rest is discarded.7.30
Cone quartering methodCone and quartering methodTake the coal coke with a particle size below a certain value after being crushed and sieved, drop it vertically from a fixed direction, and form a cone-shaped coal with uniform particle size. Then form two cakes with single grooves, and use a ten-pointer to separate them into two equal shapes, and take the two opposite shapes.
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