CN110317348A - A kind of system equipment and method using low calorific value coal production humic acid - Google Patents
A kind of system equipment and method using low calorific value coal production humic acid Download PDFInfo
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- CN110317348A CN110317348A CN201910771173.6A CN201910771173A CN110317348A CN 110317348 A CN110317348 A CN 110317348A CN 201910771173 A CN201910771173 A CN 201910771173A CN 110317348 A CN110317348 A CN 110317348A
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- humic acid
- calorific value
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- 239000003245 coal Substances 0.000 title claims abstract description 45
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000004021 humic acid Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000000605 extraction Methods 0.000 claims abstract description 46
- 230000003647 oxidation Effects 0.000 claims abstract description 23
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 19
- 238000010000 carbonizing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000007791 liquid phase Substances 0.000 claims abstract description 4
- 239000007790 solid phase Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000015556 catabolic process Effects 0.000 claims description 8
- 238000006731 degradation reaction Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 230000001804 emulsifying effect Effects 0.000 claims description 7
- 238000003763 carbonization Methods 0.000 claims description 6
- 239000006210 lotion Substances 0.000 claims description 6
- 239000012071 phase Substances 0.000 claims description 5
- 239000002817 coal dust Substances 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 235000013312 flour Nutrition 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 239000007792 gaseous phase Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005191 phase separation Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000007857 degradation product Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000003516 soil conditioner Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 240000008067 Cucumis sativus Species 0.000 description 1
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses a kind of system equipments and method using low calorific value coal production humic acid, the low calorific value coal filtered out is delivered in pulverizer by the cylinder round sifter by conveyer belt, smashed material is delivered in homogenizer by the pulverizer by conveyer belt, the humic acid of extraction is discharged the extraction and stripping apparatus by discharge gate, the liquid outlet of the advanced oxidation equipment is connected by the feed inlet of connecting tube and multiphase separator, the liquid-phase outlet of the multiphase separator separation is back in extraction and stripping apparatus by connecting tube, the solid-phase outlet of multiphase separator separation is connected to by connecting tube with carbonizing apparatus feed inlet.Compared with the prior art, the advantages of the present invention are as follows: scientific and effective processing is carried out for the coal low in calories filtered out, waste utilization is not only realized, solves the problems, such as environmental pollution, improve the active combustion rate of Fuel Furnace.The higher humic acid product of economic value is produced, while object without secondary pollution is discharged.
Description
Technical field
The present invention relates to coal mining waste process field more particularly to a kind of it is using low calorific value coal production humic acid
System device and method.
Background technique
In coal combustion power generation process, since the poor quality of coal quality is anisotropic, the coal of many low heat values is contained in lower quality coal
The colms such as spoil, this kind of burning environment of inferior quality coal rate is low, and burning is easy to produce a large amount of dense smokes, is usually all to screen stacking, fills out
It buries.Utilization rate is low, takes up a large area, and effect on environment is big.Therefore it is badly in need of a kind of technique to utilize its dataization, improves its warp
Ji value.
Summary of the invention
It solves the above problems the object of the invention is that providing one kind, is set using the system of low calorific value coal production humic acid
Standby and method.
To achieve the goals above, the technical solution adopted by the present invention is that: it is a kind of to utilize low calorific value coal production humic acid
System equipment, the production equipment including producing humic acid, the production equipment is by cylinder round sifter, pulverizer, homogenizer, extraction
Separation equipment, advanced oxidation equipment, multiphase separator, gas burner and carbonizing apparatus composition, the cylinder round sifter will sieve
The low calorific value coal selected is delivered in pulverizer by conveyer belt, and the pulverizer conveys smashed material by conveyer belt
To homogenizer, the lotion after the homogenizer homogeneous is delivered in extraction and stripping apparatus by connecting tube, the extraction and separation
The humic acid of extraction is discharged equipment by discharge gate, and the intermediate for extracting generation is delivered to advanced oxidation by connecting tube and sets
Standby, the liquid outlet of the advanced oxidation equipment is connected by the feed inlet of connecting tube and multiphase separator, the multiphase separator
Isolated liquid-phase outlet is back in extraction and stripping apparatus by connecting tube, and the solid-phase outlet of multiphase separator separation passes through connection
Pipe is connected to carbonizing apparatus feed inlet.
Preferably, the homogenizer uses high-shear emulsifying homogenizer.
Preferably, the pulverizer uses gangue flour mill.
Preferably, the extraction equipment uses supercritical CO 2 extraction device.
Preferably, further including the gas burner for carbonizing apparatus heat supply.
Preferably, the multiphase separator uses solid gas liquid three phase separator, the gaseous phase outlet of the multiphase separator
It is connected to by connecting tube with the air inlet pipe of gas burner.
Preferably, the advanced oxidation equipment uses TOC UV degradation device.
Preferably, switch valve and delivery pump are equipped in the connecting tube, the homogenizer, extraction and stripping apparatus, height
Grade oxidation furnaces, multiphase separator liquid outlet be equipped with concentration sensor, the switch valve, delivery pump, concentration sensor point
It is not connect with the controller electric signal at scene.
A method of humic acid being produced using low calorific value coal, method and step is as follows,
Step 1, by the coal dust of ball mill grinding as in cylinder round sifter, filter out scleroid large coal particles and
Gangue, i.e. low calorific value coal；
The low calorific value coal filtered out is delivered to Special grinder for disintegrating by conveyor belt and crushed by step 2, then will be crushed
Smashed material is delivered to homogenizer by conveyor belt afterwards；
Water mixing is added in step 3 in homogenizer, defeated after progress emulsifying homogeneous under the action of homogenizer high shear force
It send to extraction and stripping apparatus,
Mixed lotion is carried out extraction and separation, extracts level-one humic acid product by step 4, extraction and stripping apparatus, point
Separate out the liquid intermediate of the humic acid containing solubization；
Step 5, the liquid intermediate isolated are delivered to advanced oxidation equipment, input after the degradation of advanced oxidation equipment
Multiphase separator；
Step 6, multiphase separator carry out gas-solid-liquid separation, and the solid input carbonizing apparatus carbonization separated out carries out at carbonization
Reason, for the gas input gas apparatus air inlet pipe isolated as additional-air inlet, the intermediate isolated is recycled to extraction and stripping apparatus
It is extracted again.
Compared with the prior art, the advantages of the present invention are as follows: scientific and effective place is carried out for the coal low in calories filtered out
Reason, not only realizes waste utilization, solves the problems, such as environmental pollution, improve the active combustion rate of Fuel Furnace.Produce through
Ji is worth higher humic acid product and breeze raw material, while object without secondary pollution is discharged.
Detailed description of the invention
Fig. 1 is present system structural schematic diagram.
In figure: 1, cylinder round sifter；2, conveyer belt；3, pulverizer；4, connecting tube；5, homogenizer；6, water inlet connecting tube；7,
Extraction and stripping apparatus；8, advanced oxidation equipment；9, multiphase separator；10, gas burner；11, carbonizing apparatus.
Specific embodiment
The invention will be further described below.
Embodiment 1: referring to Fig. 1, a kind of system equipment using low calorific value coal production humic acid, including production humic acid
Production equipment, the production equipment is by cylinder round sifter 1, pulverizer 3, homogenizer 5, extraction and stripping apparatus 7, advanced oxidation equipment
8, multiphase separator 9, gas burner 10 and carbonizing apparatus 11 form, and are not easy to grind since bastard coal rock land is hard, calorific value is low
Availability is low, by being screened out the coal dust after grinding by cylinder round sifter 1 come the cylinder round sifter 1 will
The low calorific value coal filtered out is delivered in pulverizer 3 by conveyer belt 2, is crushed using dedicated bastard coal stone grinder, institute
It states pulverizer 3 and is delivered to smashed material in homogenizer 5 by conveyer belt 2, pass through water inlet connecting tube 64 in homogenizer 5
After adding water, material carries out emulsifying, the lotion after 5 homogeneous of homogenizer under the high shear force and crush force of homogenizer 5
It is delivered in extraction and stripping apparatus 7 by connecting tube 4, the extraction and stripping apparatus 7 arranges the humic acid of extraction by discharge gate
Out, the intermediate for extracting generation is delivered to advanced oxidation equipment 8 by connecting tube 4, and advanced oxidation equipment 8 carries out organic matter drop
Solution, reduces environmental pollution, and is then sent to multiphase separator 9 and carries out gas-solid-liquid separation, the liquid outlet of the advanced oxidation equipment 8
It is connect by connecting tube 4 with the feed inlet of multiphase separator 9, the isolated liquid-phase outlet of the multiphase separator 9 passes through connecting tube 4
It is back in extraction and stripping apparatus 7 and is extracted again, the isolated solid-phase outlet of multiphase separator 9 passes through connecting tube 4 and carbonization
The connection of 11 feed inlet of equipment carries out carbonization treatment and generates breeze, can be used for preparing 1) activated carbon product；2) soil conditioner；3)
Building material additives；4) environment friendly pervious brick.Scientific and effective processing is carried out for the coal low in calories filtered out, not only realizes waste
It utilizes, solves the problems, such as environmental pollution, improve the active combustion rate of Fuel Furnace.Produce the higher humic acid of economic value
Product, while object without secondary pollution is discharged.
Cylinder round sifter 1 can be used pulverizer 3 described in the GS1230 rotary screen of good luck machinery plant and use Guilin letter journey bastard coal
Homogenizer described in stone flour mill HCH980. is using the triumphant high-shear emulsifying homogenizer LR- (100-150) that anticipates, and principle is due to rotor
High speed rotation, then material radial is thrown out of rotor tooth socket by axially sucking dispersing head.Act on the pole on material
High acceleration generates powerful shearing force and crushing force.In addition, the high turbulence that rotor gap generates plays resuspension procedure
Suitable immixture.
Extraction and stripping apparatus 7 uses Nantong Huaan Overcritical Extraction Co., Ltd.'s supercritical CO 2 extraction device, overcritical
Fluid extraction technology is one of modern age chemical separating new separation technology, and SCF-CO 2 is to make solvent using CO2,
CO2 fluid density and dielectric constant under supercriticality is larger, very big to Solubility of Substances, and with the variation of pressure and temperature
And change dramatically, it is therefore, not only selective to the solubility of Cucumber, and solvent and extract are very easy to separation.
In the liquid that extraction and stripping apparatus 7 is isolated, still there is the humic acid for being largely dissolved in water, it is therefore desirable to by more
Phase separator 9 is separated again, and the multiphase separator 9 uses solid gas liquid three phase separator, the Zepu woods solids of buying
The multiphase separator 9 of material technology (Shanghai) Co., Ltd., can be carried out effective multi-phase separation.
It further include gas burner 10, the gas burner 10 is 11 heat supply of carbonizing apparatus, 9 gas of multiphase separator
Mutually outlet is connected to by connecting tube 4 with the gas inlet pipe of gas burner 10, and the gas isolated contains fuel gas and oxygen
Gas can be used as the additional-air inlet of combustion gas, while thoroughly solve the problems, such as that gas output is innoxious by burning.
The advanced oxidation equipment 8 uses the TOC UV degradation device of the bright Environmental Protection Technology Co., Ltd in Guangzhou three, using UV-C
Wave band 185nm wavelength low-pressure high-energy ultraviolet technology, and UV-C254nm ultraviolet sterilizer is combined, pass through the UV-185 of high dose
Ultraviolet pass catalysis, generates .OH Xiang base free radical in water, oxidative degradation is carried out to the organic matter in water, again by more after degradation
Phase separator 9 is separated, and the degradation product after degradation is separated from water, and the water isolated returns to extraction and stripping apparatus 7 and carries out again
Extraction, degradation product are carbonized into harmless solid slag by carbonizing apparatus 11, and carburizing reagent product can be used for preparing 1) active carbon
Product；2) soil conditioner；3) building material additives；4) environment friendly pervious brick.Entire treatment process is generated without any pollutant, resource
It is adequately recycled, gas burner 10 and carbonizing apparatus 11 purchase Yu Jieheng mechanical equipment Co., Ltd.
Switch valve and delivery pump, the homogenizer 5, extraction and stripping apparatus 7, advanced oxidation are equipped in the connecting tube 4
Equipment 8, multiphase separator 9 liquid outlet be equipped with concentration sensor, the switch valve, delivery pump, concentration sensor respectively with
The controller electric signal connection at scene, the operating parameter of equipment at different levels can be obtained by the sensor of installation, passes through controller energy
It realizes the switching of switch valve and the start-up and shut-down control of single delivery pump, realizes that the automation between equipment orderly operates such as homogeneous tune
Section carries out the control etc. of disengaging liquid measure according to extraction and separation concentration.
A method of humic acid being produced using low calorific value coal, method and step is as follows,
Step 1, by the coal dust of ball mill grinding as in cylinder round sifter 1, filter out scleroid large coal particles and
Gangue, i.e. low calorific value coal；
The low calorific value coal filtered out is delivered to Special grinder for disintegrating 3 by conveyor belt and crushed by step 2, then will be crushed
Smashed material is delivered to homogenizer 5 by conveyor belt afterwards；
Water mixing is added, after carrying out emulsifying homogeneous under the action of 5 high shear force of homogenizer in step 3 in homogenizer 5
It is delivered to extraction and stripping apparatus 7,
Mixed lotion is carried out extraction and separation, extracts level-one humic acid product by step 4, extraction and stripping apparatus 7,
Isolate the liquid intermediate of the humic acid containing solubization；
Step 5, the liquid intermediate isolated are delivered to advanced oxidation equipment 8, defeated after the degradation of advanced oxidation equipment 8
Enter multiphase separator 9；
Step 6, multiphase separator 9 carry out gas-solid-liquid separation, and the solid input carbonizing apparatus 11 separated out is carbonized
Processing, as additional-air inlet, the intermediate isolated is recycled to extraction and separation and sets the gas input gas apparatus air inlet pipe isolated
Standby 7 are extracted again.
Above to it is provided by the present invention it is a kind of using low calorific value coal production humic acid system equipment and method carry out
Exhaustive presentation, used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range, to change and improvement of the invention
It will be possible, the conception and scope without exceeding accessory claim defined, in conclusion the content of the present specification is not answered
It is interpreted as limitation of the present invention.
Claims (9)
1. a kind of system equipment using low calorific value coal production humic acid, the production equipment including producing humic acid, feature exist
In: the production equipment is by cylinder round sifter, pulverizer, homogenizer, extraction and stripping apparatus, advanced oxidation equipment, multi-phase separation
The low calorific value coal filtered out is delivered to by device, gas burner and carbonizing apparatus composition, the cylinder round sifter by conveyer belt
In pulverizer, smashed material is delivered in homogenizer by the pulverizer by conveyer belt, after the homogenizer homogeneous
Lotion is delivered in extraction and stripping apparatus by connecting tube, and the extraction and stripping apparatus arranges the humic acid of extraction by discharge gate
Out, the intermediate for extracting generation is delivered to advanced oxidation equipment by connecting tube, and the liquid outlet of the advanced oxidation equipment passes through
The liquid-phase outlet of the connection of the feed inlet of connecting tube and multiphase separator, the multiphase separator separation is back to extraction by connecting tube
It takes in separation equipment, the solid-phase outlet of multiphase separator separation is connected to by connecting tube with carbonizing apparatus feed inlet.
2. a kind of system equipment using low calorific value coal production humic acid according to claim 1, it is characterised in that: described
Homogenizer uses high-shear emulsifying homogenizer.
3. a kind of system equipment using low calorific value coal production humic acid according to claim 1, it is characterised in that: described
Pulverizer uses gangue flour mill.
4. a kind of system equipment using low calorific value coal production humic acid according to claim 2, it is characterised in that: described
Extraction equipment uses supercritical CO 2 extraction device.
5. a kind of system equipment using low calorific value coal production humic acid according to claim 1, it is characterised in that: also wrap
Include the gas burner for carbonizing apparatus heat supply.
6. a kind of system equipment using low calorific value coal production humic acid according to claim 5, it is characterised in that: described
Multiphase separator uses solid gas liquid three phase separator, and the gaseous phase outlet of the multiphase separator passes through connecting tube and gas burner
Air inlet pipe connection.
7. a kind of system equipment using low calorific value coal production humic acid according to claim 1, it is characterised in that: described
Advanced oxidation equipment uses TOC UV degradation device.
8. according to claim 1 described in -7 any one claims it is a kind of using low calorific value coal production humic acid system set
It is standby, it is characterised in that: switch valve and delivery pump, the homogenizer, extraction and stripping apparatus, advanced oxygen are equipped in the connecting tube
Change equipment, the liquid outlet of multiphase separator is equipped with concentration sensor, the switch valve, delivery pump, concentration sensor respectively with
The controller electric signal connection at scene.
9. a kind of method using low calorific value coal production humic acid according to claim 1, it is characterised in that: method and step
It is as follows,
Step 1, by the coal dust of ball mill grinding as in cylinder round sifter, filtering out scleroid large coal particles and bastard coal
Stone, i.e. low calorific value coal；
The low calorific value coal filtered out is delivered to Special grinder for disintegrating by conveyor belt and crushed by step 2, will after then crushing
Smashed material is delivered to homogenizer by conveyor belt；
Water mixing is added in homogenizer, is delivered to after carrying out emulsifying homogeneous under the action of homogenizer high shear force for step 3
Extraction and stripping apparatus,
Mixed lotion is carried out extraction and separation, extracts level-one humic acid product, isolate by step 4, extraction and stripping apparatus
The liquid intermediate of the humic acid containing solubization；
Step 5, the liquid intermediate isolated are delivered to advanced oxidation equipment, input multiphase after the degradation of advanced oxidation equipment
Separator；
Step 6, multiphase separator carry out gas-solid-liquid separation, and the solid input carbonizing apparatus carbonization separated out carries out carbonization treatment, point
As additional-air inlet, the intermediate isolated is recycled to extraction and stripping apparatus and carries out again the gas input gas apparatus air inlet pipe separated out
Secondary extraction.
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| CN201910771173.6A CN110317348A (en) | 2019-08-21 | 2019-08-21 | A kind of system equipment and method using low calorific value coal production humic acid |
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| CN201910771173.6A CN110317348A (en) | 2019-08-21 | 2019-08-21 | A kind of system equipment and method using low calorific value coal production humic acid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662463A (en) * | 2020-08-01 | 2020-09-15 | 湖南鑫恒环境科技有限公司 | Method for extracting humic acid from coal gangue |
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| US20180208515A1 (en) * | 2015-07-17 | 2018-07-26 | Friderika Eva UCHRIN | Equipment for obtaining soluble humate materials from mineral coal |
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| CN211035778U (en) * | 2019-08-21 | 2020-07-17 | 四川锐源能环科技有限公司 | System equipment for producing humic acid by using low-calorific-value coal |
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2019
- 2019-08-21 CN CN201910771173.6A patent/CN110317348A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20180208515A1 (en) * | 2015-07-17 | 2018-07-26 | Friderika Eva UCHRIN | Equipment for obtaining soluble humate materials from mineral coal |
| CN206143109U (en) * | 2016-10-27 | 2017-05-03 | 内蒙古乌海化工有限公司 | Draw device of humic acid in follow danty |
| CN107201241A (en) * | 2017-05-27 | 2017-09-26 | 大连理工大学 | The technique that a kind of debirs hydrothermal carbonization produces humic acid coproduction energy gas and charcoal |
| CN208684822U (en) * | 2018-06-14 | 2019-04-02 | 石嘴山市宁鸿炭素制品有限公司 | A kind of equipment using immersion coal production sodium humate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662463A (en) * | 2020-08-01 | 2020-09-15 | 湖南鑫恒环境科技有限公司 | Method for extracting humic acid from coal gangue |
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Application publication date: 20191011 |