CN104560258A - Cleaning briquette coal binder - Google Patents
Cleaning briquette coal binder Download PDFInfo
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- CN104560258A CN104560258A CN201510017657.3A CN201510017657A CN104560258A CN 104560258 A CN104560258 A CN 104560258A CN 201510017657 A CN201510017657 A CN 201510017657A CN 104560258 A CN104560258 A CN 104560258A
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Abstract
The invention discloses a cleaning briquette coal binder. The binder comprises the following raw materials: 0.13-0.30% of lead carbonate, 0.20-0.40% of magnesium chloride, 0.20-0.40% of calcium oxide, 0.20-0.40% of an oxidizing agent, 77.0-87.0% of a crosslinking agent, 0.15%-0.25% of sodium hydroxide, 0.30-0.60% of a tackifier, 0.15%-0.25% of magnesium sulfate, 1.50-2.50% of sodium humate, 0.20-0.30% of a smoke suppressant and 8.00-12.0% of kaolin. The briquette coal binder disclosed by the invention has the effects of suppressing smoke, preventing moisture, reducing dust, fixing sulfur, inhibiting nitrogen and the like, and is developed in line with the national situation of energy conservation, emission reduction and haze treatment according to China coal energy actual application and the characteristics of the haze formation cause in recent years; the binder has prominent energy conservation and emission reduction effects and an oxidative combustion-promoting effect; and since the binder is fully burnt, the energy conservation effect is achieved.
Description
Technical field
The present invention relates to moulded coal and cohere technical field, in particular to a kind of clean type coal binding agent.
Background technology
In recent years, China's haze phenomenon is more and more serious, haze is primarily of sulfurous gas, oxynitride and pellet three composition, they and fog combine, sky is allowed to become gloomily gloomy instantaneously, the physical and mental health of the serious harm people and safety, therefore in 2014, haze weather is included in natural the condition of a disaster in 2013 and is circulated a notice of by country first.Opinions vary for the reason formed for haze, but the formation that for developing country, industrialization and urbanization sharply causes the energy rapidly to consume, population high aggregation, environmental destruction etc. are all haze weather hides the foreshadowing.
China is industrial power, energy consumption more than 70% is main with coal, account for the half of worldwide coal consumption, without the coal burning cleaning process, poisonous, the harmful objects such as a large amount of oxynitride, sulfurous gas, hydrogenchloride, flue dust certainly will be given off, these are poisonous, cold and hot gas and vapor permeation in harmful object and air just defines haze, therefore in suitability for industrialized production, ensure that Coal Clean reduces the prerequisite that haze formed.
The cleaner production of coal solves lack of energy and the most effective measures of environmental pollution at present, under the background that disposable energy gas, oil etc. are rare, strengthen the efficient application of coal and clean utilization, reducing the wasting of resources, emissions reduction to solve China's lack of energy and environmental pollution is very important.But produce high-efficiency cleaning coal, coal reprocessing program must be related to, reshaping after biological process, chemical method, Physical process.At present, China's briquette production bonding is scarcely out of swaddling-clothes, although solve shaping adhesion problem, but briquette binder composition still belongs to maximum discharge pollutent, greatly reduce clean emission effect, Financial cost needed for later stage off gas treatment is higher, off gas treatment difficulty, and then cause atmospheric pollution serious, therefore Binder Composition is the important factor directly affecting emission reduction effect in briquette production, so producing clean coal is not only reach emission reduction effect by improving work program, but people are badly in need of a kind of environmental protection, clean briquette binder, thus reach emission reduction effect.
Summary of the invention
Although solve the adhesion problem of briquette molding for solving briquette binder composition in prior art, but the composition of this briquette binder still belongs to maximum discharge pollutent, greatly reduce clean emission effect, Financial cost needed for later stage off gas treatment is higher, off gas treatment difficulty, and then the problem such as cause atmospheric pollution serious, the object of the present invention is to provide a kind of clean type coal binding agent.
For achieving the above object, provide a kind of clean type coal binding agent in the embodiment of the present invention, this binding agent comprises the raw material of following components by weight percent:
Above per-cent is the mass percent accounting for binding agent total mass.
In the technical program, lead carbonate uses mainly as water-resisting agent in a binder, is convenient to the storage of coal, without the need to storing in waterproof and dampproof environment, uses and storing all very convenient; Magnesium chloride uses as stiffening agent, and the moulded coal compressive resistance produced by using this binding agent reaches 80kg/m
2, shatter strength is high, and coal is not allowed frangible; Calcium oxide uses mainly as sulphur-fixing agent in a binder, and reduce sulfurous gas in air, simultaneous oxidation calcium also can have sterilization, deodorization to moulded coal, does not have gas with foreign flavor to discharge during briquette prod burning; In addition the existence of oxygenant, can make coal combustion more abundant, have the effect that oxidation is combustion-supporting, reach the effect of energy-saving and emission-reduction; Linking agent and tackifier mainly make to be formed between binding agent Middle molecule to be cross-linked, and improve the cohesive strength of binding agent, be not easy to make coal loose, do not allow frangible, shatter strength improves; Sodium hydroxide mainly plays the effect of paste agent, because main component in linking agent is starch, so use sodium hydroxide mainly to play the effect of paste agent, certain heat can be released when paste agent is mainly dissolved in starch fluid, starch granules is expanded, produce stickiness, amylan also can be made to have good mobility, and not easily go mouldy, can life-time service, in addition, use paste agent, binding agent and the direct mix and blend of raw material add appropriate normal-temperature water can reach the effect bondd fast, need not first add hot water gelatinization, improve preparation efficiency, easy to prepare; Magnesium sulfate is mainly used in siccative and uses, and accelerates the bonding speed of coal, improves coal shaping efficiency; Sodium salts humic acids is mainly used in tinting material and uses; In addition, also containing smoke suppressor in this binding agent, the cigarette discharged when reducing coal combustion, improves practicality.
In sum, briquette binder provided by the invention has protection against the tide, waterproof, eliminate smoke, depositing dust, Gu sulphur, press down the effects such as nitrogen, decrease oxynitride after coal burning, sulfurous gas, hydrogenchloride, flue dust etc. are poisonous, the discharge of harmful object, reduce the formation probability of haze, substantially zero release pollutent is accomplished, after coal uses this binding agent in addition, coal can be made to be heated when burning fluffy, coal combustion is more abundant, there is no evil mind phenomenon, reach the effect of energy-saving and emission-reduction, be widely used in brown coal, peat composed of rotten mosses, hard coal, solid waste composition granule or powder, coal dust, coal slime makes the bonding of clean fuel.
Further, this binding agent also comprises ferric oxide, propane, ammonium nitrate, and three kinds of compositions mass percent is in a binder: ferric oxide 0.25 ~ 0.35%, propane 0.4 ~ 0.6%, ammonium nitrate 0.2 ~ 0.4%.
In the technical program, ferric oxide is mainly used in dustfall agent, the assorted dirt produced when reducing coal combustion, and pellet reduces; Propane is mainly used in refrigerant, and the moulded coal produced by this binding agent is cold and hot emphasizes equilibrium, and compressive resistance is strong; Ammonium nitrate uses as pressing down nitrogen agent, reduces the quantity discharged of oxynitride during Combustion of Mould Coal, and then decreases the generation of haze.
Further, oxygenant is mixed by potassium permanganate 0.1 ~ 0.2%, Manganse Dioxide 0.1 ~ 0.2%, and above per-cent is the mass percent accounting for binding agent total mass.In the technical program, limit oxygenant further, in oxygenant, potassium permanganate and Manganse Dioxide use as oxygenant, can be used for solid sulphur, virus killing, sterilizing, improve practicality.
Further, linking agent is mixed by starch 70 ~ 75%, water glass 5 ~ 8%, isoprene 2 ~ 4%, and above per-cent is the mass percent accounting for binding agent total mass.In the technical program, linking agent is further described, select starch, water glass and isoprene as linking agent, first under the prerequisite considering cross-linking effect, starch consumption is more, can not dusty gas be produced after starch burning, so not only increase cross-linking effect, and improve the clean-up performance of binding agent.
Further, tackifier are mixed by sodium-chlor 0.1 ~ 0.2%, borax 0.1 ~ 0.2%, sylvic acid 0.1 ~ 0.2%, and above per-cent is the mass percent accounting for binding agent total mass.In the technical program, further tackifier are further limited, tackifier mainly comprise sodium-chlor, borax, sylvic acid, these three kinds of materials all belong to cleaning raw material, after combustion not exhaust emission gas substantially, and Efficient Adhesive Promotion is obvious in addition, improve the thickening degree of binding agent, bond effect is good, and the later stage is convenient to remove and unloads, transports and store after producing moulded coal.
Further, smoke suppressor is mixed by ferrous sulfate 0.1 ~ 0.15%, Z 250 0.1 ~ 0.15%, and above per-cent is the mass percent accounting for binding agent total mass.In the technical program, the composition of smoke suppressor is further limited, reduces the smoke which that moulded coal produces when burning, reaching high-environmental, oligosaprobic effect, be convenient to people and use.
Beneficial effect of the present invention is: it is good that the moulded coal after the binding agent that the present invention produces can make production has bond effect, hardening strength is high, moistureproof, waterproof, eliminate smoke, depositing dust, Gu sulphur, but loft high when nitrogen and coal combustion, reduce the discharge of dusty gas, overcome coal exhaust emission gas in prior art to be convenient to form haze, have a strong impact on the defects such as people's trip, in addition the existence of oxygenant, reach sterilization and the clean-burning effect of coal can be made, the fluffy product sufficient combustion that makes that is heated during coal combustion does not have evil mind phenomenon, the present invention is widely used in brown coal, peat composed of rotten mosses, hard coal, solid waste composition granule or powder, coal dust, coal slime makes the bonding of the materials such as clean fuel.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
Embodiment 1; a kind of clean type coal binding agent described in the embodiment of the present invention; use this binding agent to be added in moulded coal and produce moulded coal, moulded coal comprises solid waste composition granule or powder 500kg, brown coal 200kg, peat composed of rotten mosses 300kg, and this binding agent comprises the raw material of following components by weight percent:
Above per-cent is the mass percent accounting for binding agent total mass.
In the technical program, this binding agent described also comprises ferric oxide, propane, ammonium nitrate further, and three kinds of compositions mass percent is in a binder: ferric oxide 0.25%, propane 0.4%, ammonium nitrate 0.2%.In the technical program, further described oxygenant is mixed by potassium permanganate 0.1%, Manganse Dioxide 0.1%, and above per-cent is the mass percent accounting for binding agent total mass.In the technical program, further described linking agent is mixed by starch 70%, water glass 5%, isoprene 2%, and above per-cent is the mass percent accounting for binding agent total mass.In the technical program, further described tackifier are mixed by sodium-chlor 0.1%, borax 0.1%, sylvic acid 0.1%, and above per-cent is the mass percent accounting for binding agent total mass.In the technical program, further described smoke suppressor is mixed by ferrous sulfate 0.1%, Z 250 0.1%, and above per-cent is the mass percent accounting for binding agent total mass.
By block in above-mentioned raw materials or particulate binder raw material, become for subsequent use after 160-180 orders through mechanical disintegration, then mix after taking each composition according to above-mentioned quality proportioning, namely form binding agent after stirring, the binding agent be combined into belongs to compound functional briquette binder, and it directly mixes stirring 2-3 minutes with moulded coal, add the water being applicable to forming requirements simultaneously, continue stirring 3-4 minutes, shaping through mechanical presses, namely obtain shaping after moulded coal.
Embodiment 2; a kind of clean type coal binding agent described in the embodiment of the present invention; use this binding agent to be added in moulded coal and produce moulded coal, moulded coal comprises solid waste composition granule or powder 400kg, brown coal 300kg, peat composed of rotten mosses 300kg, and this binding agent comprises the raw material of following components by weight percent:
Above per-cent is the mass percent accounting for binding agent total mass.
Further, this binding agent also comprises ferric oxide, propane, ammonium nitrate, and three kinds of compositions mass percent is in a binder: ferric oxide 0.28%, propane 0.46%, ammonium nitrate 0.26%.Further, oxygenant is mixed by potassium permanganate 0.13%, Manganse Dioxide 0.15%, and above per-cent is the mass percent accounting for binding agent total mass.Further, linking agent is mixed by starch 71%, water glass 6%, isoprene 3%, and above per-cent is the mass percent accounting for binding agent total mass.Further, tackifier are mixed by sodium-chlor 0.13%, borax 0.13%, sylvic acid 0.14%, and above per-cent is the mass percent accounting for binding agent total mass.Further, smoke suppressor is mixed by ferrous sulfate 0.11%, Z 250 0.12%, and above per-cent is the mass percent accounting for binding agent total mass.
By block in above-mentioned raw materials or particulate binder raw material, become for subsequent use after 160-180 orders through mechanical disintegration, then mix after taking each composition according to above-mentioned quality proportioning, namely form binding agent after stirring, the binding agent be combined into belongs to compound functional briquette binder, and it directly mixes stirring 2-3 minutes with moulded coal, add the water being applicable to forming requirements simultaneously, continue stirring 3-4 minutes, shaping through mechanical presses, namely obtain shaping after moulded coal.
Embodiment 3; a kind of clean type coal binding agent described in the embodiment of the present invention; use this binding agent to be added in moulded coal and produce moulded coal; moulded coal comprises solid waste composition granule or powder 400kg, hard coal 100kg, peat composed of rotten mosses 400kg, biomass 100kg, and this binding agent comprises the raw material of following components by weight percent:
Above per-cent is the mass percent accounting for binding agent total mass.
Further, this binding agent also comprises ferric oxide, propane, ammonium nitrate, and three kinds of compositions mass percent is in a binder: ferric oxide 0.30%, propane 0.50%, ammonium nitrate 0.30%.Further, oxygenant is mixed by potassium permanganate 0.15%, Manganse Dioxide 0.17%, and above per-cent is the mass percent accounting for binding agent total mass.Further, linking agent is mixed by starch 72%, water glass 6.5%, isoprene 3.5%, and above per-cent is the mass percent accounting for binding agent total mass.Further, tackifier are mixed by sodium-chlor 0.16%, borax 0.17%, sylvic acid 0.12%, and above per-cent is the mass percent accounting for binding agent total mass.Further, smoke suppressor is mixed by ferrous sulfate 0.13%, Z 250 0.12%, and above per-cent is the mass percent accounting for binding agent total mass.
By block in above-mentioned raw materials or particulate binder raw material, become for subsequent use after 160-180 orders through mechanical disintegration, then mix after taking each composition according to above-mentioned quality proportioning, namely form binding agent after stirring, the binding agent be combined into belongs to compound functional briquette binder, and it directly mixes stirring 2-3 minutes with moulded coal, add the water being applicable to forming requirements simultaneously, continue stirring 3-4 minutes, shaping through mechanical presses, namely obtain shaping after moulded coal.
Embodiment 4; a kind of clean type coal binding agent described in the embodiment of the present invention; use this binding agent to be added in moulded coal and produce moulded coal, moulded coal comprises solid waste composition granule or powder 200kg, brown coal 500kg, peat composed of rotten mosses 300kg, and this binding agent comprises the raw material of following components by weight percent:
Above per-cent is the mass percent accounting for binding agent total mass.
Further, this binding agent also comprises ferric oxide, propane, ammonium nitrate, and three kinds of compositions mass percent is in a binder: ferric oxide 0.32%, propane 0.55%, ammonium nitrate 0.35%.Further, oxygenant is mixed by potassium permanganate 0.18%, Manganse Dioxide 0.2%, and above per-cent is the mass percent accounting for binding agent total mass.Further, linking agent is mixed by starch 74%, water glass 7.8%, isoprene 3.2%, and above per-cent is the mass percent accounting for binding agent total mass.Further, tackifier are mixed by sodium-chlor 0.18%, borax 0.18%, sylvic acid 0.19%, and above per-cent is the mass percent accounting for binding agent total mass.Further, smoke suppressor is mixed by ferrous sulfate 0.14%, Z 250 0.14%, and above per-cent is the mass percent accounting for binding agent total mass.
By block in above-mentioned raw materials or particulate binder raw material, become for subsequent use after 160-180 orders through mechanical disintegration, then mix after taking each composition according to above-mentioned quality proportioning, namely form binding agent after stirring, the binding agent be combined into belongs to compound functional briquette binder, and it directly mixes stirring 2-3 minutes with moulded coal, add the water being applicable to forming requirements simultaneously, continue stirring 3-4 minutes, shaping through mechanical presses, namely obtain shaping after moulded coal.
Embodiment 5; a kind of clean type coal binding agent described in the embodiment of the present invention; use this binding agent to be added in moulded coal and produce moulded coal, moulded coal comprises solid waste composition granule or powder 100kg, brown coal 200kg, peat composed of rotten mosses 700kg, and this binding agent comprises the raw material of following components by weight percent:
Above per-cent is the mass percent accounting for binding agent total mass.
In the technical program, this described further binding agent also comprises ferric oxide, propane, ammonium nitrate, and three kinds of compositions mass percent is in a binder: ferric oxide 0.35%, propane 0.6%, ammonium nitrate 0.4%.In the technical program, oxygenant described is further mixed by potassium permanganate 0.2%, Manganse Dioxide 0.2%, and above per-cent is the mass percent accounting for binding agent total mass.In the technical program, linking agent described is further mixed by starch 75%, water glass 8%, isoprene 4%, and above per-cent is the mass percent accounting for binding agent total mass.In the technical program, tackifier described are further mixed by sodium-chlor 0.2%, borax 0.2%, sylvic acid 0.2%, and above per-cent is the mass percent accounting for binding agent total mass.In the technical program, smoke suppressor described is further mixed by ferrous sulfate 0.15%, Z 250 0.15%, and above per-cent is the mass percent accounting for binding agent total mass.
By block in above-mentioned raw materials or particulate binder raw material, become for subsequent use after 160-180 orders through mechanical disintegration, then mix after taking each composition according to above-mentioned quality proportioning, namely form binding agent after stirring, the binding agent be combined into belongs to compound functional briquette binder, and it directly mixes stirring 2-3 minutes with moulded coal, add the water being applicable to forming requirements simultaneously, continue stirring 3-4 minutes, shaping through mechanical presses, namely obtain shaping after moulded coal.
The moulded coal that the briquette prod obtain above-described embodiment 1-5 and existing common binding agent are produced contrasts, and according to quality standard inspection moulded coal performance, concrete data are as shown in the table:
In sum, can be drawn by embodiment 1-5 and above-mentioned data sheet, compared with the moulded coal using binding agent provided by the invention production moulded coal and existing binding agent to produce, the efficiency of combustion of the moulded coal that the present invention produces significantly improves, and the moisture of moulded coal is lower, the shatter strength of the moulded coal of binding agent production provided by the invention simultaneously, carbon capacity, Gu sulfur content, but all increase compared with the moulded coal that nitrogen quantity etc. and existing binding agent are produced, in addition the moulded coal of binding agent production provided by the invention is when burning, the quantity discharged of obnoxious flavour reduces, the raw material dosage of binding agent is few simultaneously, cost is low, decreasing pollution thing environmental pollution.Therefore, the clean type coal produced by binding agent provided by the invention not only can industrial coal also can be civilian, this binding agent has virus killing, sterilizing, combustion-supporting, solid sulphur, presses down the industrial chemicals such as nitrogen, ensure that clean type coal reaches high-environmental, low stain effect when storing and burn, kept again bond effect good, store and traffic-induced damage rate low, for decreasing pollution, saving resource, create clean energy and improve human settlements living environment, open new approach.
In sum, binding agent tool provided by the invention has the following advantages:
(1) moulded coal using this binding agent to produce is cold and hot emphasizes equilibrium, and compressive resistance is strong, and shatter strength is high, and moulded coal is not easy to damage, and is convenient to transport, removes and unload and store;
(2) moulded coal using this binding agent to produce, it is convenient to store, and without the need to storing in the environment such as waterproof, protection against the tide, does not limit storage condition, easy to use;
(3) moulded coal using this binding agent to produce, when Combustion of Mould Coal, the calcium system in binding agent and iron tying are closed and are reached the effects such as solid sulphur, fixed nitrogen, smoke elimination, depositing dust, reach the effect of energy-saving and emission-reduction;
(4) moulded coal using this binding agent to produce, have the combustion-supporting effect of oxidation, moulded coal energy sufficient combustion reaches energy-saving effect then, reduces Financial cost, makes full use of moulded coal heat, improves the rate of utilization of moulded coal;
(5) moulded coal using this binding agent to produce, potassium permanganate, calcium oxide have sterilization, deodorization to material, do not have peculiar smell discharging, improve practicality during product burning.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a clean type coal binding agent, is characterized in that, this binding agent comprises the raw material of following components by weight percent:
Above per-cent is the mass percent accounting for binding agent total mass.
2. clean type coal binding agent according to claim 1, it is characterized in that, this binding agent also comprises ferric oxide, propane, ammonium nitrate, and three kinds of compositions mass percent is in a binder: ferric oxide 0.25 ~ 0.35%, propane 0.4 ~ 0.6%, ammonium nitrate 0.2 ~ 0.4%.
3. clean type coal binding agent according to claim 1, is characterized in that, oxygenant is mixed by potassium permanganate 0.1 ~ 0.2%, Manganse Dioxide 0.1 ~ 0.2%, and above per-cent is the mass percent accounting for binding agent total mass.
4. clean type coal binding agent according to claim 1, is characterized in that, linking agent is mixed by starch 70 ~ 75%, water glass 5 ~ 8%, isoprene 2 ~ 4%, and above per-cent is the mass percent accounting for binding agent total mass.
5. clean type coal binding agent according to claim 1, is characterized in that, tackifier are mixed by sodium-chlor 0.1 ~ 0.2%, borax 0.1 ~ 0.2%, sylvic acid 0.1 ~ 0.2%, and above per-cent is the mass percent accounting for binding agent total mass.
6. clean type coal binding agent according to claim 1, is characterized in that, smoke suppressor is mixed by ferrous sulfate 0.1 ~ 0.15%, Z 250 0.1 ~ 0.15%, and above per-cent is the mass percent accounting for binding agent total mass.
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| CN105112120A (en) * | 2015-09-22 | 2015-12-02 | 高坤方 | Aerating combustion-supporting separated biomass briquette |
| CN106520243A (en) * | 2016-12-15 | 2017-03-22 | 榆林学院 | Compound adhesive, briquette coal containing compound adhesive, and briquette coal preparation method |
| CN106753496A (en) * | 2016-12-15 | 2017-05-31 | 榆林学院 | The coal powder formation method for destructive distillation of adhesive based on a kind of tar slag |
| CN112980530A (en) * | 2021-02-08 | 2021-06-18 | 河北金丰新材料科技有限公司 | High-temperature-resistant high-strength adhesive and preparation method thereof |
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| CN104560258B (en) | 2017-01-25 |
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