CN105294182A - Environmentally-friendly humate production technology - Google Patents
Environmentally-friendly humate production technology Download PDFInfo
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- CN105294182A CN105294182A CN201510825608.2A CN201510825608A CN105294182A CN 105294182 A CN105294182 A CN 105294182A CN 201510825608 A CN201510825608 A CN 201510825608A CN 105294182 A CN105294182 A CN 105294182A
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The invention discloses an environmentally-friendly humate production technology. The technology comprises the following steps: 1, preparing fine coal and coal water slurry in an environmentally-friendly manner; and 2, producing humate: 1), preparing concentrated alkali; 2), reacting the coal water slurry with the liquid alkali; 3, drying humate; and 4, preparing a fertilizer from residues. A heat energy system adopts a molded coal hot-blast stove and adopts the molded coal as a fuel, the molded coal is a clean fuel, the sulfur fixation rate can reach 40%, the flue dust emission reduces by 90%, the burnout rate is high, and coal is saved by 10-15%; and steam production adopts an exhaust-heat boiler, so energy saving and environmental protection are realized. The step for preparing the fertilizer from the residues avoids residue dust pollution, dusts, sulfur dioxide and oxynitrides in flue gas discharged by the molded coal hot-blast stove is adsorbed in the fertilizer preparation process, and a nitrosulfo group-containing humic acid organic fertilizer is produced, so wastes are changed into valuables. The production technology adopting the above technical scheme has the advantages of environmental protection, energy saving, no emission of wastewater in the production process, no emission of wastes, no emission of dusts in all workshops, adsorption of the dusts, sulfur dioxide and oxynitrides in flue dusts by the fertilizer, and no emission of a combustion system.
Description
Technical field
The present invention relates to humate production field, the humate production technique of specifically a kind of environmental protection.
Background technology
Humic acids has meaning great especially at the research and utilization of environmental protection department, and the pollution of the global three wastes has directly threaten the life security in whole biosphere, certainly also comprises we self.The pollution of China is more outstanding, and pollution administration is the common key subjects of national all departments.Humic acids can play special effect in this respect.Research shows, 80% of east China water pollution, and by using, chemical fertilizer is excessive to be caused, and humic acid organic fertilizer can increase the soil organism, improves Soil structure, heavy metal in absorption soil, reduces fertilizer application amount.Crop yield can be improved again, improve fruit quality, guarantee the safety on people's the tip of the tongue.
Along with the develop rapidly of science technology and economy, human substance life horizontal obtains huge raising, but the disruption of ecological balance thereupon brought and problem of environmental pollution are also increasingly serious.Therefore decreasing pollution guarantees that ecological sustainable development has risen to the strategic position of equal importance with Economic development.Take Sustainable development as the pattern that the green economy of purport has become modern Economy Development, also become the direction of making joint efforts, the 21 century whole world.And humic acids has derives from nature and become one of basic material of development environment friendly green product with the natural characteristic be naturally closely connected.Coal humic acid and humic acid in peat are the main production raw material of humic acids product, and that has applied has nearly 70 kinds of products, and wherein realizing industrialized product has more than 30 to plant.
The drawbacks such as current domestic humate product ubiquity quality is unstable, gloss appearance degree is inadequate, complete processing falls behind, output is restricted.The pressure worsening the environment for human survival caused along with global ecological environment increases, and Ecological Sustainable Development becomes trend.The ecological, environmental protective characteristic that humic acids product has becomes the most effective organic combination of mineral manure, with precision agriculture be the modern agriculture pattern of representative to the demand of refining humate by expanding day.Due to going from bad to worse of global ecological environment, developing sustainable Green Chemistry product becomes the task of top priority, comes from natural ecologic active specific to humic acids product, becomes the basic material developing various green product.
Summary of the invention
The object of the present invention is to provide a kind of humate production technique of environmental protection.
For achieving the above object, the invention provides following technical scheme:
A humate production technique for environmental protection, comprises the following steps:
The preparation of S1 fine coal and slurry:
Raw material weathered coal through entering raw material plant room after coal yard sorting, discharge process uninterruptedly sprays the dust suppression of solid dirt liquid, vertical-spindle hammer crusher is delivered to after iron removal by magnetic separation, raw material after coarse crushing delivers to surge bunker through rubber conveyer again, deliver to ball mill through belt weigher, screw feeder, added water in right amount by metering water pump simultaneously and carry out wet-milling, deliver to colour strainer by after coal grinding, filter the coal paste storage tank of laggard belt stirrer, be prepared into coal water slurry;
The rotten salt of S2 is produced:
Prepared by S2-1 concentrated base:
Water joins in Alkali liquid compounding tank through volume pump, and open and stir, solid caustic soda adds in preparing tank after metering, and after dissolving completely, it is stand-by that lye pump is evacuated to high-order liquid caustic soda storage tank;
s2-2coal water slurry and alkaline reaction
The coal water slurry prepared in step S-1 delivers to reactor through closed conduit, temperature reaction after in a kettle. coal slurry being mixed with alkali lye, reaction solution enters horizontal helical type settling centrifuge through material pipe and carries out centrifugation, clear liquid enters Clear liquid tank, residue is delivered to humic acid organic fertilizer material and is prepared workshop section, and whole process is carried out under airtight;
The rotten salt of S2-3 is dry:
Clear liquid pump by clear liquid from Clear liquid tank pump into concentrated after enter spraying dry, after dry, product is irregular granular, and dry thing enters the granulation of fluidization granulation system again, is greater than 0.5mm particle and delivers to product storehouse by spiral conveyer again, packaging; The saturation steam produced in spraying dry and fluid-bed granulation all through cyclone system, and then carries out water curtain dedusting, last qualified discharge, produces dense water centralized collection to wastewater disposal basin after water curtain dedusting, and waste water uses as coal water slurry preparation.
S2-4 residue composting
The residue that step S2-2 produces delivers to roller dryer through screw feeder, after dry, material adds nitrogen, phosphorus, potassium, after fertilizer material, carry out granulation, dry, cooling, cooled finished product enters finished bin, then pack, described drying drum thermal insulation layer thickeies to more than 15cm, each cylinder set up be equipped with sound absorbent material sound insulation between, the heat smoke containing dust of roller dryer discharge, and the dust that each discharging point of composting workshop produces, be collected into after settling pocket depositing dust through pipeline, again after screen collector again dedusting, last qualified discharge, dense water centralized collection in water curtain dust-removal system is to wastewater disposal basin, use as coal water slurry preparation,
As the further scheme of the present invention: step S2-2, S2-3, heat supply in S2-4 adopts coal briquette air stove heating system, described coal briquette air stove heating system mainly comprises coal briquette air stove and waste heat boiler device, coal briquette air stove utilizes clean fuel moulded coal as fuel, the heat smoke that coal briquette air stove produces is through interchanger, clean hot blast is delivered to drying plant and is carried out humate drying, hot exhaust gas enters waste heat boiler, produce steam, the tail gas of waste heat boiler finally enters composting workshop, carry out the production of humic acid organic fertilizer material, the dust that hot blast is subsidiary and multiple obnoxious flavour are adsorbed by fertilizer.
As the further scheme of the present invention: the preparation of coal water slurry described in step S1 adopts wet processing.
As the present invention's further scheme: rubber conveyer described in step S1 is settled online moisture monitor, in good time to central controller transmission moisture data, belt weigher is also connected with master control system simultaneously, in family's material quantity, raw material, moisture data provide instruction after treatment, the given water yield is added, to guarantee that coal-water fluid concentration keeps constant by metering water pump.
Compared with prior art, the invention has the beneficial effects as follows: environmental protection and energy saving, in production process, there is no discharge of wastewater, rinse ground Waste Water Centralized in the water of condensation after concentrated, the dense water of Water Membrane Dedusting System and workshop and collect, fully recovering; No waste discharge, residue is turned waste into wealth, for the production of humic acids High-quality fertilizer; From raw material storage, do dust-proof process, whole workshop is without dust discharge; Burning adopts moulded coal inherently can depositing dust 90%, again can desulfurization, and flue gas heat is fully utilized, and the dust in flue dust and sulfide, oxynitride are adsorbed by fertilizer again, and firing system is without discharge; It is good soil conditioner that the residue produced after coal briquette air stove burning adds in fertilizer.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
A humate production technique for environmental protection, comprises the following steps:
The preparation of S1 fine coal and slurry:
Raw material weathered coal through entering raw material plant room after coal yard sorting, discharge process uninterruptedly sprays the dust suppression of solid dirt liquid, vertical-spindle hammer crusher is delivered to after iron removal by magnetic separation, raw material after coarse crushing delivers to surge bunker through rubber conveyer again, deliver to ball mill through belt weigher, screw feeder, added water in right amount by metering water pump simultaneously and carry out wet-milling, deliver to colour strainer by after coal grinding, filter the coal paste storage tank of laggard belt stirrer, be prepared into coal water slurry; Described coal water slurry preparation adopts wet processing, online moisture monitor settled by described rubber conveyer, in good time to central controller transmission moisture data, belt weigher is also connected with master control system simultaneously, in family's material quantity, raw material, moisture data provide instruction after treatment, the given water yield is added, to guarantee that coal-water fluid concentration keeps constant by metering water pump.。
The rotten salt of S2 is produced:
Prepared by S2-1 concentrated base:
Water joins in Alkali liquid compounding tank through volume pump, and open and stir, solid caustic soda adds in preparing tank after metering, and after dissolving completely, it is stand-by that lye pump is evacuated to high-order liquid caustic soda storage tank;
S2-2 coal water slurry and alkaline reaction
The coal water slurry prepared in step S-1 delivers to reactor through closed conduit, temperature reaction after in a kettle. coal slurry being mixed with alkali lye, reaction solution enters horizontal helical type settling centrifuge through material pipe and carries out centrifugation, clear liquid enters Clear liquid tank, residue is delivered to humic acid organic fertilizer material and is prepared workshop section, and whole process is carried out under airtight;
The rotten salt of S2-3 is dry:
Clear liquid pump by clear liquid from Clear liquid tank pump into concentrated after enter spraying dry, after dry, product is irregular granular, and dry thing enters the granulation of fluidization granulation system again, is greater than 0.5mm particle and delivers to product storehouse by spiral conveyer again, packaging; The saturation steam produced in spraying dry and fluid-bed granulation all through cyclone system, and then carries out water curtain dedusting, last qualified discharge, produces dense water centralized collection to wastewater disposal basin after water curtain dedusting, and waste water uses as coal water slurry preparation.
S2-4 residue composting
The residue that step S2-2 produces delivers to roller dryer through screw feeder, after dry, material adds nitrogen, phosphorus, potassium, after fertilizer material, carry out granulation, dry, cooling, cooled finished product enters finished bin, then pack, described drying drum thermal insulation layer thickeies to more than 15cm, each cylinder set up be equipped with sound absorbent material sound insulation between, the heat smoke containing dust of roller dryer discharge, and the dust that each discharging point of composting workshop produces, be collected into after settling pocket depositing dust through pipeline, again after screen collector again dedusting, last qualified discharge, dense water centralized collection in water curtain dust-removal system is to wastewater disposal basin, use as coal water slurry preparation,
As the further scheme of the present invention: step S2-2, S2-3, heat supply in S2-4 adopts coal briquette air stove heating system, described coal briquette air stove heating system mainly comprises coal briquette air stove and waste heat boiler device, coal briquette air stove utilizes clean fuel moulded coal as fuel, the heat smoke that coal briquette air stove produces is through interchanger, clean hot blast is delivered to drying plant and is carried out humate drying, hot exhaust gas enters waste heat boiler, produce steam, the tail gas of waste heat boiler finally enters composting workshop, carry out the production of humic acid organic fertilizer material, the dust that hot blast is subsidiary and multiple obnoxious flavour are adsorbed by fertilizer.
The tail gas of heat after interchanger heat exchange that hotblast stove produces enters waste heat boiler, tail gas and process water carry out heat exchange, process water heating after deliver to water storage tank, in tail gas 85% vapor condensation, through trap separating and condensing water, water of condensation is sent into process water storage tank and is used for reaction; The tail gas of waste heat boiler enters the preparation workshop section of humic acid organic fertilizer material, and the dust that hot blast is subsidiary and multiple obnoxious flavour are adsorbed by fertilizer; Hotblast stove is coal briquette air stove, and adopt moulded coal as fuel, moulded coal is a kind of clean fuel, and sulfur-fixing rate can reach 40%, and soot emissions reduce 90%, and burn-off rate is high, and economize on coal 10-15%.
The present invention does not have discharge of wastewater in process of production, rinses ground Waste Water Centralized and collects, fully recovering in the water of condensation after concentrated, the dense water of Water Membrane Dedusting System and workshop; No waste discharge, residue is turned waste into wealth, for the production of humic acids High-quality fertilizer; From raw material storage, do dust-proof process, whole workshop is without dust discharge; Burning adopts moulded coal inherently can depositing dust 90%, again can desulfurization, and flue gas heat is fully utilized, and the dust in flue dust and sulfide, oxynitride are adsorbed by fertilizer again, and firing system is without discharge; It is good soil conditioner that the residue produced after coal briquette air stove burning adds in fertilizer.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, can also makes a variety of changes under the prerequisite not departing from this patent aim.
Claims (4)
1. a humate production technique for environmental protection, is characterized in that, comprise the following steps:
The preparation of S1 fine coal and slurry:
Raw material weathered coal through entering raw material plant room after coal yard sorting, discharge process uninterruptedly sprays the dust suppression of solid dirt liquid, vertical-spindle hammer crusher is delivered to after iron removal by magnetic separation, raw material after coarse crushing delivers to surge bunker through rubber conveyer again, deliver to ball mill through belt weigher, screw feeder, added water in right amount by metering water pump simultaneously and carry out wet-milling, deliver to colour strainer by after coal grinding, filter the coal paste storage tank of laggard belt stirrer, be prepared into coal water slurry;
The rotten salt of S2 is produced:
Prepared by S2-1 concentrated base:
Water joins in Alkali liquid compounding tank through volume pump, and open and stir, solid caustic soda adds in preparing tank after metering, and after dissolving completely, it is stand-by that lye pump is evacuated to high-order liquid caustic soda storage tank;
S2-2 coal water slurry and alkaline reaction
The coal water slurry prepared in step S-1 delivers to reactor through closed conduit, temperature reaction after in a kettle. coal slurry being mixed with alkali lye, reaction solution enters horizontal helical type settling centrifuge through material pipe and carries out centrifugation, clear liquid enters Clear liquid tank, residue is delivered to humic acid organic fertilizer material and is prepared workshop section, and whole process is carried out under airtight;
The rotten salt of S2-3 is dry:
Clear liquid pump by clear liquid from Clear liquid tank pump into concentrated after enter spraying dry, after dry, product is irregular granular, and dry thing enters the granulation of fluidization granulation system again, is greater than 0.5mm particle and delivers to product storehouse by spiral conveyer again, packaging; The saturation steam produced in spraying dry and fluid-bed granulation all through cyclone system, and then carries out water curtain dedusting, last qualified discharge, produces dense water centralized collection to wastewater disposal basin after water curtain dedusting, and waste water uses as coal water slurry preparation;
S2-4 residue composting
The residue that step S2-2 produces delivers to roller dryer through screw feeder, after dry, material adds nitrogen, phosphorus, potassium, after fertilizer material, carry out granulation, dry, cooling, cooled finished product enters finished bin, then pack, described drying drum thermal insulation layer thickeies to more than 15cm, each cylinder set up be equipped with sound absorbent material sound insulation between, the heat smoke containing dust of roller dryer discharge, and the dust that each discharging point of composting workshop produces, be collected into after settling pocket depositing dust through pipeline, again after screen collector again dedusting, last qualified discharge, dense water centralized collection in water curtain dust-removal system is to wastewater disposal basin, use as coal water slurry preparation.
2. the humate production technique of a kind of environmental protection according to claim 1, described step S2-2, S2-3, heat supply in S2-4 adopts coal briquette air stove heating system, described coal briquette air stove heating system mainly comprises coal briquette air stove and waste heat boiler device, coal briquette air stove utilizes clean fuel moulded coal as fuel, the heat smoke that coal briquette air stove produces is through interchanger, clean hot blast is delivered to drying plant and is carried out humate drying, hot exhaust gas enters waste heat boiler, produce steam, the tail gas of waste heat boiler finally enters composting workshop, carry out the production of humic acid organic fertilizer material, the dust that hot blast is subsidiary and multiple obnoxious flavour are adsorbed by fertilizer.
3. the humate production technique of environmental protection according to claim 1, is characterized in that, the preparation of coal water slurry described in step S1 adopts wet processing.
4. the humate production technique of environmental protection according to claim 1, it is characterized in that, rubber conveyer described in step S1 is settled online moisture monitor, in good time to central controller transmission moisture data, belt weigher is also connected with master control system simultaneously, in family's material quantity, raw material, moisture data provide instruction after treatment, add the given water yield by metering water pump, to guarantee that coal-water fluid concentration keeps constant.
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| CN201510825608.2A CN105294182A (en) | 2015-11-25 | 2015-11-25 | Environmentally-friendly humate production technology |
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| CN201510825608.2A CN105294182A (en) | 2015-11-25 | 2015-11-25 | Environmentally-friendly humate production technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106008115A (en) * | 2016-08-08 | 2016-10-12 | 山西广宇通科技股份有限公司 | Preparation method of humic acid-containing diammonium phosphate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061350A (en) * | 2011-01-12 | 2011-05-18 | 董亚飞 | Short-process comprehensive red mud utilization method and equipment |
| CN104817703A (en) * | 2015-04-21 | 2015-08-05 | 李计双 | Humate production process |
| CN104815592A (en) * | 2015-04-21 | 2015-08-05 | 李计双 | Humic acid production fluidized-bed granulator |
| CN204589023U (en) * | 2015-04-21 | 2015-08-26 | 李计双 | Humic acid complex fertilizer production system |
-
2015
- 2015-11-25 CN CN201510825608.2A patent/CN105294182A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061350A (en) * | 2011-01-12 | 2011-05-18 | 董亚飞 | Short-process comprehensive red mud utilization method and equipment |
| CN104817703A (en) * | 2015-04-21 | 2015-08-05 | 李计双 | Humate production process |
| CN104815592A (en) * | 2015-04-21 | 2015-08-05 | 李计双 | Humic acid production fluidized-bed granulator |
| CN204589023U (en) * | 2015-04-21 | 2015-08-26 | 李计双 | Humic acid complex fertilizer production system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106008115A (en) * | 2016-08-08 | 2016-10-12 | 山西广宇通科技股份有限公司 | Preparation method of humic acid-containing diammonium phosphate |
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Application publication date: 20160203 |
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