CN208269182U - Lignite efficiency power generation equipment - Google Patents
Lignite efficiency power generation equipment Download PDFInfo
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- CN208269182U CN208269182U CN201820436938.1U CN201820436938U CN208269182U CN 208269182 U CN208269182 U CN 208269182U CN 201820436938 U CN201820436938 U CN 201820436938U CN 208269182 U CN208269182 U CN 208269182U
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- lignite
- power generation
- generation equipment
- efficiency power
- boiler
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- 239000003077 lignite Substances 0.000 title claims abstract description 76
- 238000010248 power generation Methods 0.000 title claims abstract description 51
- 238000001035 drying Methods 0.000 claims abstract description 41
- 238000000605 extraction Methods 0.000 claims abstract description 22
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 6
- 230000023556 desulfurization Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 239000007789 gas Substances 0.000 claims description 40
- 238000011084 recovery Methods 0.000 claims description 40
- 239000002918 waste heat Substances 0.000 claims description 22
- 239000000428 dust Substances 0.000 claims description 13
- 238000004065 wastewater treatment Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 239000002817 coal dust Substances 0.000 abstract description 10
- 239000003245 coal Substances 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model relates to coal field of thermal power, disclose a kind of lignite efficiency power generation equipment, the lignite efficiency power generation equipment includes boiler and steam turbine, the exhaust outlet of the boiler is connect with the air inlet of the steam turbine, it is characterized in that, the lignite efficiency power generation equipment further includes drying machine, dust-extraction unit and desulfurizer；Wherein, the discharge port of the drying machine is connect with the feed inlet of the boiler, is used for dry feedstock lignite；The exhaust outlet of the boiler is sequentially connected with the dust-extraction unit and the desulfurizer, and for being dusted to the tail gas of the boiler, the desulfurizer is used to carry out desulfurization to the tail gas after the dust-extraction unit dedusting dust-extraction unit.The lignite efficiency power generation equipment of the utility model is dry by coal dust and tail gas clean-up is incorporated therein, and simplifies electrification technique process, has saved the freight of lignite, while coal dust separation and tail gas clean-up being separated, has realized tail gas non-pollution discharge.
Description
Technical field
The utility model relates to coal field of thermal power, and in particular to a kind of lignite efficiency power generation equipment.
Background technique
The explored lignite reserves in China is about 200,000,000,000 tons, in explored lignite reserves, with Inner Mongol
Ancient northeast region be it is more, account for about the 3/4 of national lignite reserves.The generally existing moisture of lignite it is high (about 30% to
50%), burning point is low and the disadvantages of CO2 emissions are big, and the lignite for non-upgrading of directly burning will lead to environmental pollution.Lignite
It is directly used in power generation, boiler exhaust gas loss is bigger with low moisture coal facies, and the thermal efficiency that boiler directly burns is lower, and economy has
Limit, and CO2Discharge amount it is also larger.In addition, high water content brown coal calorific value is lower, so that boiler body, pulverized coal preparation system, cigarette wind coal dust
Pipeline is all larger, involves great expense, while subsidiary engine place capacity is also larger, and station service power consumption rate is higher, increases power plant's plant construction and fortune
Row cost, and higher water content causes freight to increase, and limits the application of lignite.Currently, in view of the above-mentioned problems, state
Inside and outside relatively conventional method is to enter back into boiler combustion by brown coal drying to certain moisture using lignite predrying technology.But
Brown coal drying system and electricity generation system, which are separately provided, leads to many and diverse of electrification technique and operation, management inconvenience, and generation assets
Can not effectively make full use of, lead to energy waste, and in terms of there is also defects, it is more difficult to be applied to real
In the engineering of border.
The current published thermal power generation system for being mainly based upon high water content brown coal predrying upgrading and recovery technology, should
Moisture is very high in the mixture that thermal power generation system comes out in terms of dust pelletizing system there are problem, one side drying machine, is difficult same
On the other hand the separation of Shi Shixian coal dust and high-effective dust-removing can not be directly discharged into big after the tail gas heat exchange after dry method dust
Gas need to pass through water washing.
Utility model content
The purpose of this utility model is to overcome the above problems of the existing technology, provide a kind of lignite efficiency power generation
Equipment, the lignite efficiency power generation equipment is dry by coal dust and tail gas clean-up is incorporated therein, and simplifies electrification technique process, saves
The freight of lignite, while coal dust separation and tail gas clean-up being separated, realize tail gas non-pollution discharge.
To achieve the goals above, the utility model provides a kind of lignite efficiency power generation equipment, which sets
Standby includes boiler and steam turbine, and the exhaust outlet of the boiler is connect with the air inlet of the steam turbine, which is characterized in that described brown
Coal efficiency power generation equipment further includes drying machine, dust-extraction unit and desulfurizer；Wherein, the discharge port of the drying machine and the pot
The feed inlet of furnace connects, and is used for dry feedstock lignite；The exhaust outlet of the boiler and the dust-extraction unit and the desulfurizer
It is sequentially connected, for being dusted to the tail gas of the boiler, the desulfurizer is used for the dedusting dust-extraction unit
Tail gas after device dedusting carries out desulfurization.
Preferably, the lignite efficiency power generation equipment further includes filter device, the tail gas mouth of the drying machine and the mistake
Filter the air inlet connection of device.
Preferably, the filter device is ceramic filter.
Preferably, the lignite efficiency power generation equipment further includes waste-heat recovery device, the exhaust outlet of the filter device with
The air inlet of the waste-heat recovery device connects, and the discharge port of the filter device is connect with the feed inlet of the boiler.
Preferably, the exhaust outlet of the waste-heat recovery device is connect with the air inlet of the dust-extraction unit.
Preferably, which is characterized in that the lignite efficiency power generation equipment further includes water recovery device, the water recovery device
Feed inlet connect with the discharge port of the waste-heat recovery device, the recycle-water that the water recovery device obtains is supplied to described de-
Sulphur device.
Preferably, the lignite efficiency power generation equipment further includes wastewater treatment equipment, the feed liquor of the wastewater treatment equipment
Mouth connects the liquid outlet of the water recovery device and the liquid outlet of the desulfurizer.
Preferably, the dust-extraction unit is electrical dust collector device, and the desulfurizer is wet desulphurization device.
Preferably, the drying machine is steam pipe type rotary drying machine or steam fluid bed dryer.
Preferably, the waste-heat recovery device is finned heat exchanger or heat exchange of heat pipe.
Through the above technical solutions, the lignite efficiency power generation equipment of the utility model is by brown coal drying system, tails dedusting
Desulphurization system, water reclamation system are incorporated therein, and lignite efficiency power generation integral system are formed, so as to be done directly lignite
Dry and combustion power generation simplifies electrification technique process, has saved the freight of lignite, while by coal dust separation and tail gas clean-up
It separates, realizes tail gas non-pollution discharge, and realize maximized heat recovery, also achieve the recycling and benefit of water resource
With.
The dry tail gas of the system is sent into boiler after filter device mixes coal of the pulverized coal particle being collected into after dry
Burning, has on the one hand recycled pulverized coal particle, improves fuel availability, improves boiler efficiency, reduces cold source energy, reduces
Boiler and subsidiary engine equipment manufacturing cost reduce power plant's power consumption rate, on the other hand reduce subsequent vent gas treatment amount, reduce investment.Meanwhile it is dry
After waste heat recycles, clear liquid is recycled dry tail gas by the water of condensation, and turbid enters desulfurization wastewater and focused on, and
Tail gas enters dusting and desulfuring system centralized processing and effectively reduces complete set by the highly integrated of drying system and electricity generation system
The investment of system.By analysis of experiments, in the tail gas of the discharge of the lignite efficiency power generation equipment of the utility model without corrosivity at
Part, it is discharged into atmosphere and does not generate pollution；Exchanging heat in recuperation of heat, environment is relatively preferable, and equipment and materials is changed without particular/special requirement, facility compact
Thermal effect is good, recycles heat and water is big.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the lignite efficiency power generation equipment of the utility model.
Description of symbols
1, boiler 2, steam turbine 3, drying machine
4, filter device 5, waste-heat recovery device 6, water recovery device
7, wastewater treatment equipment 8, dust-extraction unit 9, desulfurizer
10, chimney 11, oxygen-eliminating device
A, product after lignite B, power generation C, processing
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
As shown in Figure 1, specific embodiment of the present utility model provides a kind of lignite efficiency power generation equipment, the lignite is efficient
Generating equipment includes boiler 1 and steam turbine 2, and the exhaust outlet of the boiler 1 is connect with the air inlet of the steam turbine 2, feature
It is, which further includes drying machine 3, dust-extraction unit 8 and desulfurizer 9；Wherein, the drying machine 3
Discharge port is connect with the feed inlet of the boiler 1, is used for dry feedstock lignite A；The exhaust outlet of the boiler 1 and the dedusting fill
Set 8 and the desulfurizer 9 be sequentially connected, the dust-extraction unit 8 is described de- for being dusted to the tail gas of the boiler 1
Sulphur device 9 is used to carry out desulfurization to the tail gas after 8 dedusting of dust-extraction unit.
Due to being provided with drying machine 3, dust-extraction unit 8 and desulfurizer 9 in lignite efficiency power generation equipment, water content is larger
Raw material lignite be sent directly into boiler 1 and burn after drying, generate a large amount of high steams for the B that generates electricity, such as benefit
It is generated electricity with steam turbine；The cooperation for passing through dust-extraction unit 8 and desulfurizer 9 simultaneously, enables the combustion tail gas of boiler 1 to exist
It is interior to greatest extent to be purified, reduce the pollution problem in thermal power generation.The lignite efficiency power generation equipment is by brown coal drying system
System and tails dedusting desulphurization system are incorporated therein, and so as to be done directly brown coal drying and combustion power generation, simplify power generation work
Skill process has saved the freight of lignite, while coal dust separation and tail gas clean-up having been separated, and realizes the pollution-free row of tail gas
It puts, and realizes maximized heat recovery.
As a kind of embodiment of the utility model, the drying machine 3 is usually steam pipe type rotary drying machine or steaming
Vapour fluid bed dryer, to obtain better drying effect.Both drying machines are all made of steam as heat source and carry out to lignite
Heat drying.
In addition, as shown in Figure 1, since boiler 1 has certain requirement for water quality, it is preferable that the lignite firepower hair
Electric system further includes oxygen-eliminating device 11, the oxygen-eliminating device 11 be connected to the waste-heat recovery device 5 and the boiler 1 inlet it
Between.Oxygen-eliminating device 11 can remove the oxygen being dissolved in the water and other gases, prevent and reduce boiler feed pipe, economizer and other
The corrosion of auxiliary device.In order to recycle water resource, for example, can by the exhaust outlet of steam turbine also with the drying machine 3 into
Port connection, the leakage fluid dram of the drying machine 3 are connect with the inlet of oxygen-eliminating device 11.In general, drying machine 3 can use steam turbine
The low-pressure steam of discharge heats the wet lignite entered in drying machine 3, moisture drying evaporation shape therein after lignite is heated
At tail gas, and vapor (steam) temperature reduction condenses into water and flows in oxygen-eliminating device 11 from the leakage fluid dram of drying machine 3, by 11 deoxygenation of oxygen-eliminating device
Boiler 1 is supplied afterwards.
As a kind of embodiment of the utility model, the dust-extraction unit 8, which is able to use, existing can be used in tail gas
Various dust-extraction units, such as bag-type dust collector, cyclone dust collector, wet dust separater of dedusting etc. are imitated from dedusting is improved
From the point of view of rate, wherein preferably electrical dust collector device；The desulfurizer 9, which is able to use, existing can be used in tails dedusting
Various desulfurizers, wherein preferably wet desulphurization device.The exhaust outlet of the desulfurizer 9 is preferably connect with chimney 10,
To be discharged by the tail gas after dedusting and desulfurization.It, can be most by being used cooperatively electrical dust collector device and wet desulphurization device
The harmful components such as dust, the sulphur-containing substance in discharge tail gas are removed to limits, to realize cleaning discharge.
In order to recycle steam, condenser is preferably further set, and the air inlet of the condenser connects the steamer
The exhaust outlet of machine, the leakage fluid dram of the condenser connect the inlet of the boiler 1.So that the low pressure of steam turbine discharge is steamed
Vapour cooling condensation in condenser forms water, these water are transported in boiler 1 again and generate vapor, recycle.Wherein, condensing
Device generallys use air cooler in water-deficient area, and generallys use cooling tower in general area.
As shown in Figure 1, due to can also generate a large amount of tail gas when lignite is dried in drying machine 3, and band in these tail gas
There are a large amount of heat and dust to pollute the environment, it is preferable that the lignite efficiency power generation equipment further includes filter device 4, described
The tail gas mouth of drying machine 3 is connect with the air inlet of the filter device 4.Filter device 4 filters out coal dust and can be filled by filtering
4 slag-drip opening discharge is set, and directly returns and burns in boiler 1, thus coal dust is recycled, save the cost,
Make full use of resource.
The filter device 4 can use the filter of various forms and structures, excellent in order to reach better dust removing effects
Selection of land, the filter device 4 are ceramic filter.It can be effectively removed or reduce being mingled in tail gas by ceramic filter
Object improves the degree of purity of tail gas, prevents the solid impurity in tail gas from entering in subsequent equipment and damages equipment.
In order to make full use of drying machine 3 that a large amount of heat in tail gas is discharged, the lignite efficiency power generation equipment further includes
Waste-heat recovery device 5, the exhaust outlet of the filter device 4 are connect with the air inlet of the waste-heat recovery device 5, the filtering dress
4 discharge port is set to connect with the feed inlet of the boiler 1.Tail gas mouth of the tail gas that 3 drying brown coal of drying machine generates from drying machine 3
Discharge, subsequently into waste-heat recovery device 5 with water (such as can for condenser discharge water, thus preheating by condenser
Enter the water in boiler 1) heat exchange is carried out, so that heat is recycled, the coal amount that boiler 1 burns is reduced,
Reduce cost of electricity-generating.
As waste-heat recovery device 5, the heat-exchanger rig of various models and structure can be used, in order to reach preferable heat exchange
Effect, as an implementation, the waste-heat recovery device 5 are finned heat exchanger or heat exchange of heat pipe.Fin type heat exchange
For device using plate and fin as heat transfer element, heat transfer efficiency is high, compact-sized, light and handy.Heat pipe is a kind of with high-termal conductivity
The heat-transferring assembly of energy, heat exchange of heat pipe are the heat exchangers using heat pipe as heat transfer element, and heat exchange of heat pipe has heat transfer efficiency height, knot
Structure is compact, fluid resistance damage is small, is conducive to the advantages that controlling dew point corrosion.It can be improved heat recovery using these two types of heat exchangers
Efficiency saves energy, reduces energy consumption.
A preferred embodiment according to the present utility model, the exhaust outlet of the waste-heat recovery device 5 are removed with described
The air inlet of dirt device 8 connects.So that being discharged after being also purified in dry tail gas.
As shown in Figure 1, a kind of embodiment as the utility model, it is preferable that the lignite efficiency power generation equipment is also wrapped
Water recovery device 6 is included, the feed inlet of the water recovery device 6 is connect with the discharge port of the waste-heat recovery device 5, and the water returns
The recycle-water that receiving apparatus 6 obtains is supplied to the desulfurizer 9.As water recovery device 6, existing can be used in can be used
The various condensers of recycle-water, as long as being capable of water in recovery waste heat recyclable device 5.By by the water recovery device 6
Obtained recycle-water is supplied to the desulfurizer 9, can make full use of the recycle-water, reduces waste.
As shown in Figure 1, a kind of embodiment as the utility model, it is preferable that the lignite efficiency power generation equipment is also wrapped
Include wastewater treatment equipment 7, the inlet of the wastewater treatment equipment 7 connects the liquid outlet of the water recovery device 6 and described
The liquid outlet of desulfurizer 9.Temperature reduces after tail gas exchanges heat in waste-heat recovery device 5, forms a certain amount of mixed liquor and enters
In water recovery device 6 after recycle-water, enters back into wastewater treatment equipment 7 and carries out purified treatment simultaneously with the waste water of desulfurizer 9,
To remove the dust dissolved in mixed liquor, impurity etc., to obtain the higher water of water quality for recycling, and waste water row is reduced
High-volume, products C after gypsum, body refuse etc. are handled can finally be obtained.Furthermore it is preferred that discharge outlet and the institute of the desulfurizer 9
The inlet connection for stating wastewater treatment equipment 7, so that the waste water of desulfurizer 9 is also purified processing.
In addition, the lignite efficiency power generation equipment can be in order to enable water flows smooth in lignite thermal power generation system
Including circulating pump etc., convenient for conveying of the material between each device.
Preferred embodiments of the present invention are described in detail above, still, the utility model is not limited to this.At this
In the range of the technology design of utility model, a variety of simple variants can be carried out to the technical solution of the utility model, including each
Technical characteristic is combined with any other suitable method, these simple variants and combination equally should be considered as the utility model
Disclosure of that belongs to the protection scope of the utility model.
Claims (10)
1. a kind of lignite efficiency power generation equipment, which includes boiler (1) and steam turbine (2), the boiler
(1) exhaust outlet is connect with the air inlet of the steam turbine (2), which is characterized in that the lignite efficiency power generation equipment further includes
Drying machine (3), dust-extraction unit (8) and desulfurizer (9)；
Wherein, the discharge port of the drying machine (3) is connect with the feed inlet of the boiler (1), is used for dry feedstock lignite；
The exhaust outlet of the boiler (1) is sequentially connected with the dust-extraction unit (8) and the desulfurizer (9), the dedusting dress
(8) are set for being dusted to the tail gas of the boiler (1), the desulfurizer (9) is used for the dust-extraction unit (8) dedusting
Tail gas afterwards carries out desulfurization.
2. lignite efficiency power generation equipment according to claim 1, which is characterized in that the lignite efficiency power generation equipment is also wrapped
It includes filter device (4), the tail gas mouth of the drying machine (3) is connect with the air inlet of the filter device (4).
3. lignite efficiency power generation equipment according to claim 2, which is characterized in that the filter device (4) is ceramic mistake
Filter.
4. lignite efficiency power generation equipment according to claim 2, which is characterized in that the lignite efficiency power generation equipment is also wrapped
It includes waste-heat recovery device (5), the exhaust outlet of the filter device (4) is connect with the air inlet of the waste-heat recovery device (5), institute
The discharge port for stating filter device (4) is connect with the feed inlet of the boiler (1).
5. lignite efficiency power generation equipment according to claim 4, which is characterized in that the row of the waste-heat recovery device (5)
Port is connect with the air inlet of the dust-extraction unit (8).
6. lignite efficiency power generation equipment according to claim 4 or 5, which is characterized in that the lignite efficiency power generation equipment
It further include water recovery device (6), the feed inlet of the water recovery device (6) and the discharge port of the waste-heat recovery device (5) connect
It connects, the recycle-water that the water recovery device (6) obtains is supplied to the desulfurizer (9).
7. lignite efficiency power generation equipment according to claim 6, which is characterized in that the lignite efficiency power generation equipment is also wrapped
Include wastewater treatment equipment (7), the inlet of the wastewater treatment equipment (7) connect the liquid outlet of the water recovery device (6) with
And the liquid outlet of the desulfurizer (9).
8. lignite efficiency power generation equipment described in any one of -5 according to claim 1, which is characterized in that the dust-extraction unit
It (8) is electrical dust collector device, the desulfurizer (9) is wet desulphurization device.
9. lignite efficiency power generation equipment described in any one of -5 according to claim 1, which is characterized in that the drying machine
It (3) is steam pipe type rotary drying machine or steam fluid bed dryer.
10. lignite efficiency power generation equipment according to claim 4 or 5, which is characterized in that the waste-heat recovery device (5)
For finned heat exchanger or heat exchange of heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436938.1U CN208269182U (en) | 2018-03-29 | 2018-03-29 | Lignite efficiency power generation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436938.1U CN208269182U (en) | 2018-03-29 | 2018-03-29 | Lignite efficiency power generation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208269182U true CN208269182U (en) | 2018-12-21 |
Family
ID=64676411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820436938.1U Active CN208269182U (en) | 2018-03-29 | 2018-03-29 | Lignite efficiency power generation equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN208269182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460572A (en) * | 2020-11-23 | 2021-03-09 | 西安热工研究院有限公司 | Method and system for utilizing high-moisture lignite |
-
2018
- 2018-03-29 CN CN201820436938.1U patent/CN208269182U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460572A (en) * | 2020-11-23 | 2021-03-09 | 西安热工研究院有限公司 | Method and system for utilizing high-moisture lignite |
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