CN109207231A - A kind of coal-saving comburant improving efficiency of fire coal - Google Patents
A kind of coal-saving comburant improving efficiency of fire coal Download PDFInfo
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- CN109207231A CN109207231A CN201811340631.2A CN201811340631A CN109207231A CN 109207231 A CN109207231 A CN 109207231A CN 201811340631 A CN201811340631 A CN 201811340631A CN 109207231 A CN109207231 A CN 109207231A
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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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- 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
- C10L9/12—Oxidation means, e.g. oxygen-generating compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a kind of coal-saving comburants for improving efficiency of fire coal, including oxygenation agent, curing agent, catalyst and primary raw material, the coal-saving comburant to be prepared by the component of following parts by weight: oxygenation agent: sodium chloride 10%；Curing agent: epoxy resin 10%；Catalyst: calcium carbonate 5%；Primary raw material: miberal powder 60%；Synergist: gas synergist 5%；Hardening agent: stearic acid 10%, raw material is placed on the stirring of blender internal mix, mixture after mixing is ground into powder using grinder, it is matched in the present invention by plurality of raw materials, it is mixed according to different proportion, 1% coal-saving comburant, which is added, can save 10% fire coal, reduce economic cost, coal-fired resource has been saved, coal-fired utilization efficiency is improved；The design of reversible type and multiple grinding process is rotated forward by paddle, so that the mixing of various raw materials is more abundant, ensure that mixture homogenization and powdered, to reach good combustion efficiency.
Description
Technical field
The present invention relates to Hazards in Power Plant field, specifically a kind of coal-saving comburant for improving efficiency of fire coal.
Background technique
Coal is a kind of flammable black or brownish black sedimentary rock, such sedimentary rock be commonly done in referred to as coal bed or
In the lithostratigraphy in coal seam or in mineral ore, because being exposed under raised temperature and pressure later, the coal of harder form can be with
It is considered as metamorphic rock, such as anthracite, coal mainly consist of carbon, constitutes together with by other elements of different number, mainly
Hydrogen, sulphur, oxygen and nitrogen, with the rapid development of society so that raw material of the coal mine as development, but present coal due to it is long when
Between use so that coal resource is greatly reduced, and burning of coal efficiency is lower, so that the utilization rate of coal reduces, greatly
Waste resource.Therefore, those skilled in the art provide a kind of coal-saving comburant for improving efficiency of fire coal, to solve above-mentioned back
The problem of being proposed in scape technology.
Summary of the invention
The purpose of the present invention is to provide a kind of coal-saving comburants for improving efficiency of fire coal, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
It is a kind of improve efficiency of fire coal coal-saving comburant, including oxygenation agent, curing agent, catalyst, primary raw material, synergist and
Hardening agent, the coal-saving comburant are prepared by the component of following parts by weight: oxygenation agent: sodium chloride 10%；Curing agent: epoxy
Resin 10%；Catalyst: calcium carbonate 5%；Primary raw material: miberal powder 60%；Synergist: gas synergist 5%；Hardening agent: stearic acid
10%, raw material is placed on the stirring of blender internal mix, mixture after mixing is ground using grinder, is ground
At powdered.
As further scheme of the invention: the primary raw material miberal powder pours into inside blender, successively internally falls
Enter oxygenation agent, synergist, curing agent and catalyst, is first stirred after pouring into the clockwise direction of 500~600rd/h of agitating paddle
It mixes 5~10 minutes, then stops 5~10 minutes, then stir 5~10 points counterclockwise again with the speed of 500~600rd/h of agitating paddle
Clock, then stop stirring 5~10 minutes, hardening agent is poured into, internally again finally with the speed up time of 700~800rd/h of agitating paddle
Needle stirs 5~10 minutes, then stops 5~10 minutes, then stir 5 counterclockwise again with the speed of 700~800rd/h of agitating paddle~
10 minutes, then stop stirring 5~10 minutes, it is uniformly mixed and forms mixture.
As further scheme of the invention: the mixture is poured into inside grinder and is once ground, ground
Mixture afterwards continues through secondary grinding, it is secondary it is ground after mixture continue through and grind three times, by grinding three times
Mixture could be ground to powdered by process.
As further scheme of the invention: the coal-saving comburant is with the component of raw coal proportion when in use
1:100。
As further scheme of the invention: containing inside the primary raw material has a small amount of active carbon.
Compared with prior art, mixed according to different proportion the beneficial effects of the present invention are: being matched by plurality of raw materials
Close, be added 1% coal-saving comburant can save 10% or so fire coal, economic cost greatly reduces, has saved coal-fired resource,
Improve coal-fired utilization efficiency；The design that reversible type and multiple grinding process are rotated forward by paddle, so that various raw materials
What is mixed is more abundant, ensure that mixture homogenization and powdered, to reach good combustion efficiency.
Specific embodiment
In the embodiment of the present invention, it is a kind of improve efficiency of fire coal coal-saving comburant, including oxygenation agent, curing agent, catalyst,
Primary raw material, synergist and hardening agent, coal-saving comburant are prepared by the component of following parts by weight: oxygenation agent: sodium chloride
10%；Curing agent: epoxy resin 10%；Catalyst: calcium carbonate 5%；Primary raw material: miberal powder 60%；Synergist: gas synergist 5%；
Hardening agent: raw material is placed on the stirring of blender internal mix by stearic acid 10%, and mixture after mixing uses grinder
It is ground, is ground into powder, coal-saving comburant is when in use 1:100, primary raw material with the component of raw coal proportion
Inside, which is contained, a small amount of active carbon.
Primary raw material miberal powder pours into inside blender, successively internally pours into oxygenation agent, synergist, curing agent and catalysis
Agent is first stirred 5~10 minutes with the clockwise direction of 500~600rd/h of agitating paddle after pouring into, then stops 5~10 minutes, so
It is stirred counterclockwise 5~10 minutes with the speed of 500~600rd/h of agitating paddle again afterwards, then stops stirring 5~10 minutes, finally again
Hardening agent is internally poured into, is stirred 5~10 minutes with the clockwise direction of 700~800rd/h of agitating paddle, then stop 5~10 points
Then clock is stirred 5~10 minutes counterclockwise with the speed of 700~800rd/h of agitating paddle again, then stops stirring 5~10 minutes, mix
Conjunction is formed uniformly mixture, and mixture is poured into inside grinder and once ground, it is ground after mixture continue through two
Secondary grinding, it is secondary it is ground after mixture continue through and grind three times, could will mix abrasive lapping by grinding process three times
It is extremely powdered.
It carries out two groups of data comparisons using coal-saving comburant to test, first group of comparative test:
Started to be added #2 furnace coal-saving comburant January 3, before point of addition is located at #2 furnace weighing belt, addition manner is
The adding proportion of artificial addition, frequency conversion batcher control feeding coal, coal and combustion adjuvant is 100:1, causes combustion adjuvant within 5 to 8
Fugitive dust loss is larger, and adding proportion is abnormal not to be calculated, and adds combustion adjuvant according to normal rates within 10 to 13；
Then stop addition combustion adjuvant, is used as within 24 to 27 and is not added with combustion adjuvant calculating data；
#2 furnace adds fire retardant situation:
| Time | Steam production T | Coal consumption T | As-fired coal Calorific value T | Combustion adjuvant Measure T | Combustion adjuvant Account for coal ratio Example % | Ton raw coal Steam production T | Ton mark coal Steam production T | Flying dust contains Carbon amounts % | Clinker contains Carbon amounts % |
| 1.10 | 3330 | 415 | 5005 | 5.03 | 1.21 | 8.02 | 11.22 | 4.30 | 13.83 |
| 1.11 | 3282 | 426 | 5025 | 4.9 | 1.15 | 7.70 | 10.73 | 5.63 | 7.13 |
| 1.12 | 3184 | 409 | 4927 | 4.7 | 1.15 | 7.78 | 11.06 | 4.20 | 11.89 |
| 1.13 | 3295 | 455 | 5096 | 4.88 | 1.07 | 7.24 | 9.95 | 3.94 | 18.47 |
| Average value | 3273 | 426.25 | 5016 | 4.88 | 1.15 | 7.69 | 10.74 | 4.52 | 12.83 |
#2 furnace is not added with fire retardant situation:
| Time | Steam production T | Coal consumption T | As-fired coal Calorific value T | Combustion adjuvant Measure T | Combustion adjuvant Account for coal ratio Example % | Ton raw coal Steam production T | Ton mark coal Steam production T | Flying dust contains Carbon amounts % | Clinker contains Carbon amounts % |
| 1.24 | 3249 | 470 | 5085 | 6.91 | 9.52 | 5.94 | 35.72 | ||
| 1.25 | 3348 | 457 | 5137 | 7.33 | 9.98 | 5.72 | 17.07 | ||
| 1.26 | 3322 | 483 | 5207 | 6.88 | 9.25 | 6.79 | 25.18 | ||
| 1.27 | 3316 | 479 | 5014 | 6.92 | 9.66 | 5.47 | 38.97 | ||
| Average value | 3309 | 47.25 | 5111 | 7.01 | 9.60 | 5.98 | 29.24 |
By comparing above, it is preferable that ton mark coal steam production, flying dust and clinker combustible ratio are not added with corresponding index when combustion adjuvant,
The reduction of flying dust and clinker combustible is eventually exhibited as the rising of ton mark coal steam production, and specific energy-saving effect is as follows:
When adding combustion adjuvant: ton mark coal steam production is 10.74 tons, is equivalent to 1 ton of steam consumption, 0.093 ton of mark coal；
When being not added with combustion adjuvant: ton mark coal steam production is 9.6 tons, is equivalent to and produces 1 ton of steam consumption, 0.104 ton of mark coal；
Coal conservation: 0.093-0.104=- 0.011(tons of mark coal)；
According to above averagely 3309 tons of steam production, coal 3309*0.011=36.4(tons of mark can be saved daily)；
Daily coal money of saving: 36.4*700=25480(member)；
Mark coal price lattice per ton are 700 yuan, are added coal-saving comburant according to coal and combustion adjuvant ratio 100:1, every to add day by day
4.8 tons, auxiliary agent price per ton of economizing on coal is 3000 yuan, per coal-saving agent 4.8*3000=14400 yuan day by day；
Combustion adjuvant is such as added, can be saved daily: 25480-14400=11080 yuan；
By specifically adding combustion adjuvant combustion test, 11080 yuan of coal money can be saved daily, is run every year according to boiler 8000 hours
It calculates, can save every year: 8000/24*11080=3,690,000 yuan.
Second group of comparative test:
Start to be added #2 furnace combustion adjuvant in August morning 9:30 on the 27th, before point of addition is located at #2 furnace weighing belt, addition side
Formula is manually to add, frequency conversion batcher control feeding coal, and the adding proportion of coal and combustion adjuvant is 100:1, and August 27th start to put into
Coal-saving comburant makes system run all right, and record and data in the meantime belongs to the transitional period, not in comparing calculation, to protect
Confirmatory test is accurate；Start within August 29 days to compare experimental stage, and August 29 days is reduced because of outer net steam consumption, boiler is crack outward
Exhaust, influences Experimental comparison, removes this day parameter, and August 30 days to September 7th are addition flame retardant run data；
Wherein combustion adjuvant is added in September stopping on the 7th, and to guarantee data accuracy, 8 days and 9 days parameters are not compare the transitional period
Data, September Boiler Operation on the 9th change, and need boiler to be down to medium temperature and medium pressure (pressure 4.5MP, 480 DEG C of temperature) according to outer net
Operation, theoretically according to enthalpy entropy table: 9.8MP, 540 DEG C of steam enthalpies are 3478.95KJ/kg；4MP, 480 DEG C of steam enthalpies
For 3400KJ/kg, i.e., every kilogram of steam absorbs energy 79KJ less after cooling decompression, by can be calculated: the few mark of a steam
2.7 kilograms of coal, so the ton steam consumption mark coal amount when adding combustion adjuvant test should reduce 2.7 thousand for the accuracy for guaranteeing experiment
Gram.
#2 furnace adds fire retardant situation:
| Time | Steam production T | Coal consumption T | As-fired coal Calorific value T | Combustion adjuvant Measure T | Combustion adjuvant Account for coal ratio Example % | Ton raw coal Steam production T | Ton mark coal Steam production T | Flying dust contains Carbon amounts % | Clinker contains Carbon amounts % |
| 8.30 | 2419 | 368 | 5061 | 4.1 | 1.08 | 6.57 | 9.1978 | 10.13 | 22.14 |
| 8.31 | 2487 | 374 | 5097 | 4.02 | 1.12 | 6.65 | 9.3098 | 9.07 | 35.04 |
| 9.1 | 2666 | 388 | 5058 | 4.19 | 1.08 | 6.87 | 9.6178 | 9.84 | 27.6 |
| 9.2 | 2567 | 411 | 5198 | 3.93 | 1.02 | 6.25 | 8.7498 | 5.72 | 23.18 |
| 9.3 | 2580 | 412 | 5183 | 4.09 | 1.04 | 6.26 | 8.7638 | 8.21 | 18.85 |
| 9.4 | 2382 | 366 | 5171 | 3.93 | 1.03 | 6.51 | 9.1138 | 7.82 | 14.51 |
| 9.5 | 2583 | 417 | 4922 | 4.29 | 1.06 | 6.19 | 8.6658 | 7.37 | 18.1 |
| 9.6 | 2612 | 413 | 4889 | 4.48 | 1.11 | 6.32 | 8.8478 | 9.03 | 26.52 |
| 9.7 | 2582 | 403 | 4962 | 4.16 | 1.12 | 6.41 | 8.9738 | 8.27 | 21.72 |
| Average value | 2542 | 394 | 5.60 | 4.13 | 1.07 | 6.44 | 9.0267 | 8.3 | 23 |
#2 furnace is not added with fire retardant situation:
| Time | Steam production T | Coal consumption T | As-fired coal Calorific value T | Combustion adjuvant Measure T | Combustion adjuvant Account for coal ratio Example % | Ton raw coal Steam production T | Ton mark coal Steam production T | Flying dust contains Carbon amounts % | Clinker contains Carbon amounts % |
| 9.10 | 2776 | 481 | 4984 | 5.77 | 8.0775 | 9.33 | 16.11 | ||
| 9.11 | 2780 | 447 | 4974 | 6.22 | 8.7178 | 7.06 | 31.11 | ||
| 9.12 | 2663 | 422 | 5159 | 6.31 | 8.8338 | 7.38 | 36.19 | ||
| 9.13 | 2714 | 417 | 5247 | 6.51 | 9.1138 | 5.67 | 21.85 | ||
| 9.14 | 2387 | 392 | 5110 | 6.09 | 8.5258 | 8.01 | 26.23 | ||
| 9.15 | 2754 | 434 | 5148 | 6.35 | 8.8898 | 10.89 | 31.26 | ||
| Average value | 2679 | 432 | 5103 | 6.20 | 8.691 | 8.05 | 27.12 |
By comparing above:
After boiler decrease temperature and pressure, steam production increase certainly will be will cause, coal consumption will not increase too much under normal circumstances, add combustion-supporting
Comparison before and after agent adds average 432-394=38 ton of economizing on coal daily when combustion adjuvant；
When adding combustion adjuvant: ton mark coal steam production is 9.026 tons, is equivalent to 1 ton of steam consumption, 0.11 ton of mark coal；
When being not added with combustion adjuvant: ton mark coal steam production is 8.691 tons, is equivalent to and produces 1 ton of steam consumption, 0.115 ton of mark coal；
Steam saving mark coal amount=0.115-0.11+0.0027=0.0077 ton=7.7 kilogram per ton；
According to specified steam production 130*24=3120 ton of boiler, mark coal 3120*0.0077=24.024 ton can be saved daily；
Daily coal money of saving: 24.024*700=16816.8(member)；
4.1 tons of combustion adjuvant are averagely used daily, is calculated according to 3000 yuan per ton, and combustion adjuvant spends 12300 yuan daily, final section daily
About coal money: 16816.8-12300=4516.8 yuan；
In summary: theoretically, by calculating current heaven combustion adjuvant combustion experiment, 24 tons of coal of mark, coal money can be saved daily
4516.8 yuan, 1,620,000 yuan of coal money can be saved every year；
In fact, calculated according to 5T/H according to test card it is found that boiler decrease temperature and pressure afterload can increase 5T/H to 10T/H,
Increase load 24*5=120 ton daily, the boiler load that is averaged daily after decompression is 2542+120=2660, substantially close to practical decompression
2679 tons of steam production afterwards, so 30/0.7143=42 ton of coal is marked with actually can averagely save 30 tons of raw coal after combustion adjuvant daily,
Coal money 42*700=29400 yuan, then daily combustion adjuvant amount of money 29400-12300=17100 are subtracted, mark coal 17100 can be saved daily
Member can save 6,150,000 yuan of coal of mark every year.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. it is a kind of improve efficiency of fire coal coal-saving comburant, including oxygenation agent, curing agent, catalyst, primary raw material, synergist with
And hardening agent, which is characterized in that the coal-saving comburant is prepared by the component of following parts by weight: oxygenation agent: sodium chloride
10%；Curing agent: epoxy resin 10%；Catalyst: calcium carbonate 5%；Primary raw material: miberal powder 60%；Synergist: gas synergist 5%；
Hardening agent: raw material is placed on the stirring of blender internal mix by stearic acid 10%, and mixture after mixing uses grinder
It is ground, is ground into powder.
2. a kind of coal-saving comburant for improving efficiency of fire coal according to claim 1, which is characterized in that the primary raw material
Miberal powder pours into inside blender, successively internally pours into oxygenation agent, synergist, curing agent and catalyst, pour into after first with
The clockwise direction of 500~600rd/h of agitating paddle stirs 5~10 minutes, then stops 5~10 minutes, then again with agitating paddle 500
The speed of~600rd/h stirs 5~10 minutes counterclockwise, then stops stirring 5~10 minutes, finally internally pours into reinforcing again
Agent is stirred 5~10 minutes with the clockwise direction of 700~800rd/h of agitating paddle, then stops 5~10 minutes, then again with stirring
The speed of 700~800rd/h of paddle stirs 5~10 minutes counterclockwise, then stops stirring 5~10 minutes, is uniformly mixed and forms mixing
Material.
3. a kind of coal-saving comburant for improving efficiency of fire coal according to claim 1, which is characterized in that the mixture falls
Enter and once ground inside grinder, it is ground after mixture continue through secondary grinding, it is secondary it is ground after mixing
Material continues through to be ground three times, could be ground to mixture by grinding process three times powdered.
4. a kind of coal-saving comburant for improving efficiency of fire coal according to claim 1, which is characterized in that the coal-saving burning
Agent is when in use 1:100 with the component of raw coal proportion.
5. a kind of coal-saving comburant for improving efficiency of fire coal according to claim 1, which is characterized in that the primary raw material
Inside, which is contained, a small amount of active carbon.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044277A (en) * | 2022-07-26 | 2022-09-13 | 厦门国丽静电粉末有限公司 | Application of powder coating as combustion improver and use method of powder coating as flame retardant |
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| CN115044277A (en) * | 2022-07-26 | 2022-09-13 | 厦门国丽静电粉末有限公司 | Application of powder coating as combustion improver and use method of powder coating as flame retardant |
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