CN211035778U - System equipment for producing humic acid by using low-calorific-value coal - Google Patents
System equipment for producing humic acid by using low-calorific-value coal Download PDFInfo
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- CN211035778U CN211035778U CN201921360184.7U CN201921360184U CN211035778U CN 211035778 U CN211035778 U CN 211035778U CN 201921360184 U CN201921360184 U CN 201921360184U CN 211035778 U CN211035778 U CN 211035778U
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Abstract
The utility model discloses an utilize low heat value coal production humic acid's system equipment, the low heat value coal that the cylinder screening machine will select is carried to the rubbing crusher in through the conveyer belt, the rubbing crusher passes through the conveyer belt with the material after smashing and carries to the isotropic symmetry in, the humic acid that extraction splitter will extract passes through the bin outlet and discharges, the liquid outlet of senior oxidation equipment passes through the connecting pipe and is connected with the feed inlet of heterogeneous separator, in the liquid phase export of heterogeneous separator separation returns to extraction splitter through the connecting pipe, the solid phase export of heterogeneous separator separation passes through connecting pipe and carbonization equipment feed inlet intercommunication. Compared with the prior art, the utility model has the advantages of: the screened low-heat coal is scientifically and effectively treated, so that the waste utilization is realized, the problem of environmental pollution is solved, and the effective combustion rate of the fuel furnace is improved. Produce humic acid products with higher economic value and simultaneously have no discharge of secondary pollutants.
Description
Technical Field
The utility model relates to a coal mining waste disposal field especially relates to an utilize system's equipment of low calorific value coal production humic acid.
Background
In the process of coal combustion power generation, due to the quality difference of coal quality, low-quality coal contains a lot of low-calorific-value coal gangue and other inferior coals, the combustion rate of the inferior coals is low, a large amount of dense smoke is easily generated during combustion, and the inferior coals are usually screened out, stacked and buried. Low utilization rate, large occupied area and great influence on environment. Therefore, a process for making data utilization and increasing economic value is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a system equipment for solving the above problems and producing humic acid by using low calorific value coal.
In order to realize the purpose, the utility model discloses a technical scheme is: a system device for producing humic acid by using low-calorific-value coal comprises production equipment for producing humic acid, wherein the production equipment comprises a roller screening machine, a pulverizer, a homogenizer, extraction separation equipment, high-grade oxidation equipment, a multiphase separator, a gas burner and carbonization equipment, the roller screening machine conveys screened low-calorific-value coal into the pulverizer through a conveying belt, the pulverizer conveys pulverized materials into the homogenizer through the conveying belt, emulsion homogenized by the homogenizer is conveyed into the extraction separation equipment through a connecting pipe, the extraction separation equipment discharges extracted humic acid through a discharge port, an intermediate produced by extraction is conveyed to the high-grade oxidation equipment through the connecting pipe, a liquid outlet of the high-grade oxidation equipment is connected with a feed inlet of the multiphase separator through the connecting pipe, a liquid phase outlet separated by the multiphase separator returns into the extraction separation equipment through the connecting pipe, the solid phase outlet separated by the multiphase separator is communicated with the feed inlet of the carbonization device through a connecting pipe.
Preferably, the homogenizer is a high shear emulsification homogenizer.
Preferably, the pulverizer adopts a coal gangue pulverizer.
Preferably, the extraction separation equipment adopts a supercritical CO2 extraction device.
Preferably, the system further comprises a gas burner for supplying heat to the carbonization device.
Preferably, the multiphase separator adopts a solid-gas-liquid three-phase separator, and a gas phase outlet of the multiphase separator is communicated with a gas inlet pipe of the gas burner through a connecting pipe.
Preferably, the advanced oxidation equipment adopts a TOC ultraviolet degradation device.
Preferably, the connecting pipes are all provided with a switch valve and a delivery pump, the liquid outlets of the homogenizer, the extraction separation equipment, the advanced oxidation equipment and the multiphase separator are all provided with concentration sensors, and the switch valve, the delivery pump and the concentration sensors are respectively in electric signal connection with a controller on site.
Compared with the prior art, the utility model has the advantages of: the screened low-heat coal is scientifically and effectively treated, so that the waste utilization is realized, the problem of environmental pollution is solved, and the effective combustion rate of the fuel furnace is improved. Produce humic acid products and carbon residue raw materials with higher economic value, and simultaneously have no discharge of secondary pollutants.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
In the figure: 1. a roller screening machine; 2. a conveyor belt; 3. a pulverizer; 4. a connecting pipe; 5. a homogenizer; 6. A water inlet connecting pipe; 7. an extraction separation device; 8. an advanced oxidation plant; 9. a multi-phase separator; 10. a gas burner; 11. and (4) carbonizing equipment.
Detailed Description
The present invention will be further explained below.
Example 1: referring to fig. 1, a system device for producing humic acid by using low calorific value coal comprises a production device for producing humic acid, the production device is composed of a drum screening machine 1, a pulverizer 3, a homogenizer 5, an extraction separation device 7, an advanced oxidation device 8, a multiphase separator 9, a gas burner 10 and a carbonization device 11, because coal gangue is hard and not easy to grind and has low calorific value availability, ground coal dust is screened out by the drum screening machine 1, the drum screening machine 1 conveys the screened low calorific value coal into the pulverizer 3 by a conveying belt 2, a special coal gangue grinding machine is adopted for pulverization, the pulverizer 3 conveys the pulverized material into the homogenizer 5 by the conveying belt 2, after water is added into the homogenizer 5 by a water inlet connecting pipe 6, the material is homogenized and emulsified under the high shearing force and the pulverizing force of the homogenizer 5, the emulsion homogenized by the homogenizer 5 is conveyed into an extraction separation device 7 through a connecting pipe 4, the extraction separation device 7 discharges extracted humic acid through a discharge outlet, an intermediate produced by extraction is conveyed to a high-grade oxidation device 8 through the connecting pipe 4, the high-grade oxidation device 8 degrades organic matters to reduce environmental pollution, and then the extracted humic acid is conveyed to a multi-phase separator 9 for gas-solid-liquid separation, a liquid outlet of the high-grade oxidation device 8 is connected with a feed inlet of a multi-phase separator 9 through the connecting pipe 4, a liquid phase outlet separated by the multi-phase separator 9 returns to the extraction separation device 7 through the connecting pipe 4 for re-extraction, a solid phase outlet separated by the multi-phase separator 9 is communicated with a feed inlet of a carbonization device 11 through the connecting pipe 4 for carbonization treatment to produce carbon slag, and the carbon slag can be used for preparing; 2) a soil conditioner; 3) building material additives; 4) an environment-friendly water permeable brick. The screened low-heat coal is scientifically and effectively treated, so that the waste utilization is realized, the problem of environmental pollution is solved, and the effective combustion rate of the fuel furnace is improved. Produce humic acid products with higher economic value and simultaneously have no discharge of secondary pollutants.
The roller screening machine 1 can adopt a GS1230 roller screen of an open-range mechanical factory, the pulverizer 3 adopts a Guilin Hongtong coal gangue pulverizer HCH980, the homogenizer 5 adopts an Italian high-shear emulsification homogenizer L R- (100) 150, and materials are axially sucked into a dispersion head and then radially thrown out of tooth grooves of a fixed rotor due to the high-speed rotation of a rotor.
The extraction separation equipment 7 adopts a supercritical CO2 extraction device of Hua' an supercritical extraction Limited company in Nantong city, the supercritical fluid extraction technology is a novel separation technology in modern chemical separation, the supercritical CO2 extraction adopts CO2 as a solvent, the fluid density and dielectric constant of CO2 in a supercritical state are large, the solubility of substances is high, and the fluid density and dielectric constant change rapidly along with the change of pressure and temperature, so that the solubility of certain substances is selective, and humic acid contained in water is extracted.
The liquid separated by the extraction separation device 7 still contains a large amount of humic acid dissolved in water, so that the liquid needs to be separated again through a multiphase separator 9, the multiphase separator 9 adopts a solid-gas-liquid three-phase separator, and the multiphase separator 9 of purchased zeppalin solid material technology (Shanghai) company Limited can carry out effective multiphase separation.
Still include gas burner 10, gas burner 10 is the heat supply of carbonization equipment 11, 9 gaseous phase exports of heterogeneous separator pass through the gas intake pipe intercommunication of connecting pipe 4 with gas burner 10, and the gas of separation contains combustible gas and oxygen, can regard as the supplementary of combustion gas to admit air, thoroughly solves the harmless problem of gaseous output through the burning simultaneously.
The advanced oxidation equipment 8 adopts a TOC ultraviolet degradation device of Guangzhou Sancheng environmental protection science and technology Limited, adopts a UV-C waveband 185nm wavelength low-pressure high-energy ultraviolet technology, combines a UV-C254nm ultraviolet sterilizer, generates OH flying radical free radicals in water through high-dose UV-185 ultraviolet shutdown catalysis, performs oxidative degradation on organic matters in the water, separates the degraded organic matters through a multi-phase separator 9, separates degraded degradation products from water, returns the separated water to the extraction separation equipment 7 for re-extraction, carbonizes the degradation products into harmless solid residues through carbonization equipment 11, and carbonized reaction products can be used for preparing 1) activated carbon products; 2) a soil conditioner; 3) building material additives; 4) an environment-friendly water permeable brick. The whole treatment process has no pollutant, resources are fully recycled, and the gas burner 10 and the carbonization equipment 11 are purchased from Jiheng mechanical equipment Co.
All be equipped with ooff valve and delivery pump on the connecting pipe 4, the liquid outlet of isotropic symmetry 5, extraction splitter 7, advanced oxidation equipment 8, heterogeneous separator 9 all is equipped with concentration sensor, ooff valve, delivery pump, concentration sensor respectively with on-the-spot controller signal of telecommunication connection, can acquire the operating parameter of equipment at all levels through the sensor of installing additional, can realize switching valve's switching and the opening of single delivery pump through the controller and stop control, realize that automatic orderly operation between the equipment is like the homogeneity regulation, carry out the control of business turn over liquid measure according to extraction separation concentration etc..
A method for producing humic acid by using low-calorific value coal, which comprises the following steps,
placing pulverized coal ground by a ball mill into a roller screening machine 1, and screening large-particle coal and coal gangue with hard texture, namely low-calorific-value coal;
conveying the screened low-calorific-value coal to a special crusher 3 through a conveying belt for crushing, and conveying the crushed material to a homogenizer 5 through the conveying belt;
step three, adding water into the homogenizer 5 for mixing, emulsifying and homogenizing under the action of high shearing force of the homogenizer 5, then conveying to an extraction separation device 7,
step four, the mixed emulsion is extracted and separated by the extraction and separation equipment 7, so that a first-grade humic acid product is extracted, and a liquid intermediate containing water-soluble humic acid is separated;
fifthly, the separated liquid intermediate is conveyed to a high-grade oxidation device 8, degraded by the high-grade oxidation device 8 and then input into a multiphase separator 9;
and sixthly, carrying out gas-solid-liquid separation by the multiphase separator 9, inputting the separated solid into a carbonization device 11 for carbonization, inputting the separated gas into an air inlet pipe of the gas burner as auxiliary air inlet, and circulating the separated intermediate to an extraction separation device 7 for re-extraction.
The system equipment for producing humic acid by using low-calorific-value coal provided by the utility model is introduced in detail, the principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the above examples is only used for helping to understand the method and the core idea of the utility model; while the invention has been described in terms of specific embodiments and applications, it will be apparent to those skilled in the art that numerous variations and modifications can be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a utilize system's equipment of low calorific value coal production humic acid, includes the production facility of production humic acid, its characterized in that: the production equipment consists of a roller screening machine, a pulverizer, a homogenizer, an extraction separation device, an advanced oxidation device, a multiphase separator, a gas burner and a carbonization device, the roller screening machine conveys the screened low-calorific-value coal into a pulverizer through a conveying belt, the pulverizer conveys the pulverized material into a homogenizer through the conveying belt, the emulsion after being homogenized by the homogenizer is conveyed into an extraction separation device through a connecting pipe, the extraction separation device discharges the extracted humic acid through a discharge port, an intermediate produced by extraction is conveyed to a high-level oxidation device through the connecting pipe, the liquid outlet of the advanced oxidation equipment is connected with the feed inlet of the multiphase separator through a connecting pipe, the liquid phase outlet separated by the multiphase separator returns to the extraction separation equipment through the connecting pipe, and the solid phase outlet separated by the multiphase separator is communicated with the feed inlet of the carbonization equipment through the connecting pipe.
2. The system equipment for producing humic acid by using low calorific value coal according to claim 1, which is characterized in that: the homogenizer adopts a high-shear emulsifying homogenizer.
3. The system equipment for producing humic acid by using low calorific value coal according to claim 1, which is characterized in that: the pulverizer adopts a coal gangue pulverizer.
4. The system equipment for producing humic acid by using low calorific value coal according to claim 2, wherein: the extraction separation equipment adopts a supercritical CO2 extraction device.
5. The system equipment for producing humic acid by using low calorific value coal according to claim 1, which is characterized in that: also comprises a gas burner for supplying heat to the carbonization equipment.
6. The system equipment for producing humic acid by using low calorific value coal according to claim 5, wherein: the multiphase separator adopts a solid-gas-liquid three-phase separator, and a gas phase outlet of the multiphase separator is communicated with a gas inlet pipe of the gas burner through a connecting pipe.
7. The system equipment for producing humic acid by using low calorific value coal according to claim 1, which is characterized in that: the advanced oxidation equipment adopts a TOC ultraviolet degradation device.
8. The system equipment for producing humic acid by using low heating value coal as claimed in any one of claims 1 to 7, wherein: the connecting pipes are all provided with a switch valve and a delivery pump, the liquid outlets of the homogenizer, the extraction separation equipment, the advanced oxidation equipment and the multiphase separator are all provided with concentration sensors, and the switch valve, the delivery pump and the concentration sensors are respectively in electric signal connection with a controller on site.
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| CN201921360184.7U CN211035778U (en) | 2019-08-21 | 2019-08-21 | System equipment for producing humic acid by using low-calorific-value coal |
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| CN201921360184.7U CN211035778U (en) | 2019-08-21 | 2019-08-21 | System equipment for producing humic acid by using low-calorific-value coal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110317348A (en) * | 2019-08-21 | 2019-10-11 | 四川锐源能环科技有限公司 | 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 |
|---|---|---|---|---|
| CN110317348A (en) * | 2019-08-21 | 2019-10-11 | 四川锐源能环科技有限公司 | A kind of system equipment and method using low calorific value coal production humic acid |
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