CN204165357U - Utilize the equipment of power-plant flue gas waste heat dried biomass fuel - Google Patents
Utilize the equipment of power-plant flue gas waste heat dried biomass fuel Download PDFInfo
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- CN204165357U CN204165357U CN201420621984.0U CN201420621984U CN204165357U CN 204165357 U CN204165357 U CN 204165357U CN 201420621984 U CN201420621984 U CN 201420621984U CN 204165357 U CN204165357 U CN 204165357U
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a kind of equipment utilizing power-plant flue gas waste heat dried biomass fuel, this equipment comprises Multi-layer belt type drying machine and fume afterheat step reclaims heat-exchange system, conveyer belt in the hothouse of drying machine cabinet is divided into airtight high-temperature region by dividing plate from top to bottom, middle warm area and low-temperature space, the front side of high-temperature region is provided with high temperature wind inlet, the front side of middle warm area is provided with middle warm air import, the front side of low-temperature space is provided with low temperature wind inlet, be provided with discharge chute between adjacent conveyer belt, make biomass fuel from upper strata toward lower floor be snakelike feed status.This equipment is used by fume afterheat step and biomass fuel high temperature drying, middle temperature is dried and low temperature drying combine, and fume afterheat is fully used, reaches the target significantly improving drying efficiency and energy-saving and emission-reduction.
Description
Technical field
The utility model relates to dry technology, refers to a kind of equipment utilizing power-plant flue gas waste heat dried biomass fuel particularly.
Background technology
Limit to by distribution centre drying condition, biomass fuel enters factory's water content generally 40 ~ 45%, but boiler feed moisture requires below 25%, so biomass fuel, after one-level drying is carried out in distribution centre, also needs to carry out secondary drying in power plant.At present, when power plant carries out secondary drying to biomass fuel, the drying means that the artificial open air drying of normal employing combines with drying equipment, concrete steps are: first outdoor airing biomass fuel, air-dry mode is utilized to drop to a certain degree by the moisture of fuel, then utilize drying equipment dry further to the fuel after air-dry, fuel moisture is controlled about 25%.But there is following problem in existing drying mode: the water content 1) due to power plant's material is lower than the material moisture of one-level drying, the also corresponding increase of dehydration difficulty, the drying efficiency of existing drying equipment is lower, is difficult to meet fuel supply requirement; 2) Power Plant Fuel consumption is large, and the Fuel Consumption of a 30MW biomass electric power plant is 800 ~ 1000t/h, and the energy consumption like this in order to drying is just very huge, causes cost of electricity-generating too high; 3) outdoor airing biomass fuel not only large, the airing of floor space and to collect workload large, and bring environmental problem.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of equipment utilizing power-plant flue gas waste heat dried biomass fuel, thus improves drying efficiency, reduces energy consumption for drying.
For achieving the above object, the technical solution adopted in the utility model is: a kind of equipment utilizing power-plant flue gas waste heat dried biomass fuel, comprise Multi-layer belt type drying machine, multilayer conveyer belt is horizontally arranged with in the hothouse of described Multi-layer belt type drying machine cabinet, be provided with at least two pieces of lateral partitions in described hothouse, the conveyer belt in described hothouse is divided into airtight high-temperature region, middle warm area and low-temperature space by described lateral partitions from top to bottom, the front side of described high-temperature region is provided with high temperature wind inlet, rear side is provided with high-temperature region moisture exhausting port, the front side of described middle warm area is provided with middle warm air import, rear side is provided with middle warm area moisture exhausting port, the front side of described low-temperature space is provided with low temperature wind inlet, rear side is provided with low-temperature space moisture exhausting port, staggeredly between adjacent described conveyer belt both sides be provided with discharge chute, make biomass fuel from upper strata toward lower floor be snakelike feed status, described Multi-layer belt type drying machine is provided with one-level flue gas condenser, the delivery port of described one-level flue gas condenser is connected with one-level air to water heat exchanger, the air outlet slit of described one-level air to water heat exchanger is connected with described high temperature wind inlet, the exhanst gas outlet of described one-level flue gas condenser is connected with secondary smoke condenser, the delivery port of described secondary smoke condenser is connected with secondary air to water heat exchanger, the air outlet slit of described secondary air to water heat exchanger is connected with described middle warm air import, the exhanst gas outlet of described secondary smoke condenser is connected with latent heat recoverer, the hot air outlet of described latent heat recoverer is connected with cooler tube bundle, the cold-air vent of described cooler tube bundle is connected with described low temperature wind inlet.
Further, it also comprises three grades of flue gas condensers and three grades of air to water heat exchangers, the exhanst gas outlet of described secondary smoke condenser is connected with three grades of flue gas condensers, the exhanst gas outlet of described three grades of flue gas condensers is connected with described latent heat recoverer, the delivery port of described three grades of flue gas condensers is connected with three grades of air to water heat exchangers, and the air outlet slit of described three grades of air to water heat exchangers is connected with described middle warm air import.
Further, described conveyer belt is guipure or belt for scraper chain, and it has air vent, and punching rate is 45 ~ 65%.
Further, be all equidistantly arranged in parallel between described conveyer belt and between described conveyer belt and described lateral partitions.
Further, described high-temperature region moisture exhausting port is connected with the first heat reclamation device, described middle warm area moisture exhausting port is connected with the second heat reclamation device.
Drying principles of the present utility model is as follows: the utility model divides three grades to carry out drying to biomass fuel, one-level high-temperature quick wind drying stage respectively, in secondary, warm thermostatic hot-air drying stage and three grade low-temps accelerate drying stage, it is larger for affecting rate of drying at dry initial stage hot blast temperature, therefore the high temperature dry air drying fuel of 150 ~ 180 DEG C is adopted at one-level high-temperature quick wind drying stage, because hot blast temperature is higher, can evaporate rapidly after the moisture of fuel surface is heated, this stage is also called " high temperature and rapid drying stage ", its drying time is shorter.Along with the minimizing of fuel surface moisture, rate of water loss declines thereupon, fuel proceeds to warm thermostatic hot-air drying stage in secondary immediately, the corresponding minimizing of the impact of this phase temperature on drying efficiency, high temperature drying need not be adopted again for this reason, wind pushing temperature remains on 80 ~ 100 DEG C, at this moment fuel surface still has moisture to evaporate, add the impact of wind speed, fuel surface temperature is caused to decline, create fuel internal and external temperature gradient, promote fuel internal moisture to move to appearance, because thermograde and the gradation of moisture are all smaller, could progressively need be formed by water saturated hot surface within considerable time, precipitation speed generally changes not quite during this period, so this stage is referred to as again " middle temperature constant rate drying period ".Along with the hot and humid area of hot-air and fuel, the pressure reduction of fuel temperature gradient and the gradation of moisture diminishes gradually, rate of water loss declines very fast, fuel proceeds to three grade low-temps immediately and accelerates drying stage, in this stage in order to improve dehydration rate, the utility model proposes and adopt low temperature dry air to replace hot dry air to carry out drying to material, environment temperature can be adopted in the winter time, wind pushing temperature controls below 25 DEG C by summer and conditioning in Transition Season, preferably 20 ~ 25 DEG C, the low-temperature receiver having temperature lower is better, due to the intervention of Cryogenic air, thermograde and the gradation of moisture pressure reduction of fuel and cold air strengthen, fuel meeting release heat is in air, fuel surface moisture also can spread to cold air, its thermograde is consistent with gradation of moisture direction, thus accelerate rate of water loss, this one-phase is also called " low temperature acceleration drying stage ".
Compared with prior art, the utility model tool has the following advantages:
One, flue gas utilization before current biomass electric power plant deduster is mainly combustion-supporting by air preheater preheated air, last exhaust gas temperature is generally all set as about 150 DEG C, its thermal efficiency is about 48%, and the recovery of fume afterheat step is used for dried biomass fuel by the utility model, overall thermal efficiency can reach about 86.5%; In addition, the utility model also takes full advantage of the latent heat that in flue gas, water recovery discharges, because the latent heat temperature extracted is lower, cold Manifold technology is introduced drying system by the utility model, the low-grade heat extracted from latent heat is fully used, residual heat from boiler fume is utilized and extends to fuel drying, make the thermal efficiency of boiler more than 100%, add that the latent heat utilization thermal efficiency even can up to 136% according to measuring and calculating.
They are two years old, exhaust heat stepped for power-plant flue gas utilization is accelerated drying with biomass fuel high temperature and rapid drying, middle temperature constant rate of drying and low temperature and is combined by the utility model, hot and cold wind associating multilevel drying is carried out to biomass fuel, while the energy is fully used, also reach the target improving drying efficiency and energy-saving and emission-reduction, the energy expenditure of saving is very considerable; The utility model solves that the floor space that outdoor airing biomass fuel brings is large simultaneously, airing and to collect workload numerous and diverse, and problem of environmental pollution.
Its three, the utility model by cascade utilization fume afterheat, has not only effectively reclaimed sensible heat, has also taken full advantage of the latent heat that water recovery in flue gas discharges, improve fume afterheat utilization ratio, meanwhile, decreased CO
2outer discharge capacity with heat, reduces flue gas environmental pollution and thermal pollution.
Its four, the utility model is by Multi-layer belt type drying machine in conjunction with cooler tube bundle, and what achieve that quick, the middle temperature constant speed of high temperature and low temperature accelerates carries out continuously, improves drying efficiency, meets fuel supply requirement; Biomass fuel carries out damp and hot exchange with hot blast or cold wind layering on the conveyor belt, and with dividing plate by high-temperature region, middle warm area and low-temperature space separate, and effectively prevent channelling between hot and cold air, further increase drying efficiency.
Its five, it is pioneering for being used for by cold pipe reclaiming heat, dehumidifying and cooling in dry run, because cold pipe integrates absorber, condenser and evaporimeter, heat and mass is effective, does not have too much drive apparatus, with low cost, process easy to use, can fume afterheat be utilized again.
Accompanying drawing explanation
Fig. 1 is a kind of structural principle schematic diagram utilizing the equipment of power-plant flue gas waste heat dried biomass fuel.
Fig. 2 is the structural representation of Multi-layer belt type drying machine in this equipment.
Fig. 3 is the partial enlargement structural representation of Fig. 2.
Fig. 4 is the structural representation of this equipment middle cooling pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, is convenient to more clearly understand the utility model, but they do not form restriction to the utility model.
As shown in figures 1-4, the utility model utilizes the equipment of power-plant flue gas waste heat dried biomass fuel, comprise Multi-layer belt type drying machine 1, be horizontally arranged with according to dry scale the conveyer belt 1-1 that multilayer comes and goes operation in the hothouse of the cabinet of Multi-layer belt type drying machine 1, conveyer belt 1-1 is guipure or belt for scraper chain, it has air vent, and punching rate is 45 ~ 65%.Be provided with the lateral partitions 1-2 that polylith is parallel with conveyer belt 1-1 in hothouse, be all equidistantly arranged in parallel between conveyer belt 1-1 and between conveyer belt 1-1 and lateral partitions 1-2.Conveyer belt 1-1 in hothouse is divided into the middle warm area 3 in 2, two, an airtight high-temperature region and two low-temperature spaces 4 by lateral partitions 1-2 from top to bottom.The front side of high-temperature region 2 is provided with high temperature wind inlet 5, and rear side is provided with high-temperature region moisture exhausting port 6.The front side of middle warm area 3 is provided with middle warm air import 7, and rear side is provided with middle warm area moisture exhausting port 8.The front side of low-temperature space 4 is provided with low temperature wind inlet 9, and rear side is provided with low-temperature space moisture exhausting port 10.Be provided with discharge chute 1-3 between adjacent conveyer belt 1-1 both sides, make biomass fuel from upper strata toward lower floor be snakelike feed status (composition graphs 3 shown in).Multi-layer belt type drying machine 1 is connected with one-level flue gas condenser 11, the delivery port of one-level flue gas condenser 11 is connected with one-level air to water heat exchanger 12, the air outlet slit of one-level air to water heat exchanger 12 is connected with high temperature wind inlet 5, high-temperature region moisture exhausting port 6 is connected with the first heat reclamation device 19.The exhanst gas outlet of one-level flue gas condenser 11 is connected with secondary smoke condenser 13, the delivery port of secondary smoke condenser 13 is connected with secondary air to water heat exchanger 14, the air outlet slit of secondary air to water heat exchanger 14 is connected with middle warm air import 7, the exhanst gas outlet of secondary smoke condenser 13 is connected with three grades of flue gas condensers 17, the delivery port of three grades of flue gas condensers 17 is connected with three grades of air to water heat exchangers 18, the air outlet slit of three grades of air to water heat exchangers 18 is also connected with middle warm air import 7, and two middle warm area moisture exhausting ports 8 are connected with the second heat reclamation device 20 respectively.The exhanst gas outlet of three grades of flue gas condensers 17 is connected with latent heat recoverer 15, the hot air outlet of latent heat recoverer 15 is connected with cooler tube bundle 16, and the cold-air vent of cooler tube bundle 16 is connected with the low temperature wind inlet 9 of low-temperature space 4.
In such scheme, shown in composition graphs 4, cooler tube bundle 16 is energy savers of the utility model cooling-air, cooler tube bundle 16 epimere is adsorption section 22, adsorbent 23 is filled with in adsorption section 22, cooler tube bundle 16 hypomere is condensation evaporation section 27, is provided with heat insulation layer 25 between adsorption section 22 and condensation evaporation section 27, is provided with steel wire internal layer 26 and adsorbate passage 24 in cooler tube bundle 16.During desorption process, air-flow by during adsorption section being decreasing temperature and increasing humidity process, condensation/vaporization end air-flow by time be constant enthalpy heating process; During adsorption process, air-flow by during adsorption section being intensification dehumidification process, condensation/vaporization end air-flow by time be constant enthalpy cooling procedure.During concrete enforcement, at least need two groups of cooler tube bundles, one group at desorption, another group is then in absorption, we can utilize the fume afterheat of afterbody to complete the desorption process of wherein one group of cooler tube bundle as cold pipe thermal source like this, cooling flue gas after desorption enters another group cooler tube bundle again and carries out adsorption process, and its condensation segment produces cold air and is used for low temperature drying.
The above-mentioned course of work of the equipment of power-plant flue gas waste heat dried biomass fuel that utilizes is as follows:
1) fume afterheat step is utilized to add hot-air: as shown in Figure 1, boiler smoke after power plant's dedusting of fraction is discharged from chimney 21, to ensure the normal discharge of flue gas, level Four is divided to utilize the heat of all the other most of flue gases (exhaust gas volumn of desirable 75%), first, flue gas is successively through one-level flue gas condenser 11, secondary smoke condenser 13, three grades of flue gas condensers 17, and latent heat recoverer 15 carries out recuperation of heat, one-level flue gas condenser 11 gas approach temperature is 290 DEG C, outlet temperature is 190 DEG C, the thermal efficiency is 35%, secondary smoke condenser 13 gas approach temperature is 190 DEG C, outlet temperature is 150 DEG C, the thermal efficiency is 13.5%, three grades of flue gas condenser 17 gas approach temperature are 150 DEG C, outlet temperature is 100 DEG C, the thermal efficiency is 17%, the gas approach temperature of latent heat recoverer 15 is 100 DEG C, outlet temperature is 40 DEG C, the thermal efficiency is 21%, after passing through one-level air to water heat exchanger 12 heat exchange from the delivery port high-temperature water out of one-level flue gas condenser 11, obtain 150 ~ 180 DEG C, preferably the high temperature dry air of 150 ~ 160 DEG C, after passing through secondary air to water heat exchanger 14 heat exchange from the delivery port high-temperature water out of secondary smoke condenser 13, obtain 80 ~ 100 DEG C, preferably the middle temperature dry air of 80 ~ 90 DEG C, after passing through the heat exchange of three grades of air to water heat exchangers 18 from the delivery port high-temperature water out of three grades of flue gas condensers 17, still obtain 80 ~ 100 DEG C, preferably the middle temperature dry air of 80 ~ 90 DEG C, latent heat recoverer 15 is except extracting sensible heat, also Extraction parts latent heat, cooler tube bundle is coordinated to produce low temperature dry air and the thermal source of temperature≤25 DEG C from latent heat recoverer 15 hot-air out, thermal source can for heating or hot water supply, returns chimney 21 discharge from latent heat recoverer 15 flue gas out,
2) hot and cold wind multilevel drying: as shown in Figure 3, in the hothouse of the Multi-layer belt type drying machine 1 of sealing, conveyor belt 1-1 operates in the opposite direction, biomass fuel to be dried is sent on top layer conveyer belt 1-1 from top, biomass fuel successively drops down onto lower floor from upper strata, in snakelike travel position, finally drawn off by the discharge port of orlop conveyer belt 1-1.In this process, adopt powerful air port jet-stream wind mode, ensure airflow cannon-shot >=15m, the high temperature dry air heat exchange of aforementioned one-level flue gas condensing obtained sends into the high-temperature region 2 of Multi-layer belt type drying machine 1 from high temperature wind inlet 5, wind speed is 3 ~ 4m/s, carry out one-level high-temperature quick to the biomass fuel that is 35 ~ 45% of water content on conveyer belt 1-1 air-dry dry, make biomass fuel fast dewatering, water content is down to 30 ~ 35%.Simultaneously, during said second flue gas condensing and three grades of flue gas condensing heat exchange are obtained warm dry air therefrom warm air import 7 send into warm area 3 in Multi-layer belt type drying machine 1, wind speed is 3 ~ 4m/s, warm thermostatic hot-air drying in secondary is carried out to the biomass fuel on conveyer belt 1-1, makes biomass fuel water content be down to 25 ~ 30%.The low temperature and high relative humidity air produced in warm thermostatic hot-air dry run in the air-dry dry and secondary of one-level high-temperature quick can be back to drying system respectively after the first heat reclamation device 19 and the second heat reclamation device 20 heat exchange heating and dehumidification.Simultaneously, above-mentioned low temperature dry air is sent into the dried biomass fuel of warm thermostatic hot-air low-temperature space 4 pairs of secondarys of Multi-layer belt type drying machine 1 from low temperature wind inlet 9 and carries out cold air drying, low temperature dry air relative humidity≤15%, baking temperature is 10 ~ 15 DEG C, wind speed is 3 ~ 4m/s, make biomass fuel water content be down to less than 25% as required, the moisture that Cryogenic air has drawn fuel is discharged by cooler tube bundle 16 recycling.That is: the high-temperature region 2 of Multi-layer belt type drying machine 1 and the hot blast needed for middle warm area 3 are heated by fume afterheat step and obtain; Cold wind needed for low-temperature space 4, can adopt surrounding air in the winter time, and summer and conditioning in Transition Season need utilize the low level latent heat in flue gas to make thermal source and obtain corresponding cold wind by cooler tube bundle 16, and winter, low-temperature receiver can as the auxiliary cooling of refrigeration.
Test shows, equipment of the present utility model is adopted to utilize flue gas that power plant discharges, the overall thermal efficiency that fume afterheat utilizes can reach more than 85%, effectively reduces the energy consumption of biomass fuel drying, significantly saves the operating cost of biomass fuel process in early stage.
Claims (5)
1. one kind utilizes the equipment of power-plant flue gas waste heat dried biomass fuel, comprise Multi-layer belt type drying machine (1), multilayer conveyer belt (1-1) is horizontally arranged with in the hothouse of described Multi-layer belt type drying machine (1) cabinet, it is characterized in that: be provided with at least two pieces of lateral partitions (1-2) in described hothouse, the conveyer belt (1-1) in described hothouse is divided into airtight high-temperature region (2), middle warm area (3) and low-temperature space (4) by described lateral partitions (1-2) from top to bottom, the front side of described high-temperature region (2) is provided with high temperature wind inlet (5), rear side is provided with high-temperature region moisture exhausting port (6), the front side of described middle warm area (3) is provided with middle warm air import (7), rear side is provided with middle warm area moisture exhausting port (8), the front side of described low-temperature space (4) is provided with low temperature wind inlet (9), rear side is provided with low-temperature space moisture exhausting port (10), staggeredly between adjacent described conveyer belt (1-1) both sides be provided with discharge chute (1-3), make biomass fuel from upper strata toward lower floor be snakelike feed status, described Multi-layer belt type drying machine (1) is provided with one-level flue gas condenser (11), the delivery port of described one-level flue gas condenser (11) is connected with one-level air to water heat exchanger (12), the air outlet slit of described one-level air to water heat exchanger (12) is connected with described high temperature wind inlet (5), the exhanst gas outlet of described one-level flue gas condenser (11) is connected with secondary smoke condenser (13), the delivery port of described secondary smoke condenser (13) is connected with secondary air to water heat exchanger (14), the air outlet slit of described secondary air to water heat exchanger (14) is connected with described middle warm air import (7), the exhanst gas outlet of described secondary smoke condenser (13) is connected with latent heat recoverer (15), the hot air outlet of described latent heat recoverer (15) is connected with cooler tube bundle (16), the cold-air vent of described cooler tube bundle (16) is connected with described low temperature wind inlet (9).
2. the equipment utilizing power-plant flue gas waste heat dried biomass fuel according to claim 1, it is characterized in that: it also comprises three grades of flue gas condensers (17) and three grades of air to water heat exchangers (18), the exhanst gas outlet of described secondary smoke condenser (13) is connected with three grades of flue gas condensers (17), the exhanst gas outlet of described three grades of flue gas condensers (17) is connected with described latent heat recoverer (15), the delivery port of described three grades of flue gas condensers (17) is connected with three grades of air to water heat exchangers (18), the air outlet slit of described three grades of air to water heat exchangers (18) is connected with described middle warm air import (7).
3. the equipment utilizing power-plant flue gas waste heat dried biomass fuel according to claim 1 and 2, it is characterized in that: described conveyer belt (1-1) is guipure or belt for scraper chain, and it has air vent, punching rate is 45 ~ 65%.
4. the equipment utilizing power-plant flue gas waste heat dried biomass fuel according to claim 1 and 2, is characterized in that: be all equidistantly arranged in parallel between described conveyer belt (1-1) and between described conveyer belt (1-1) and described lateral partitions (1-2).
5. the equipment utilizing power-plant flue gas waste heat dried biomass fuel according to claim 1 and 2, it is characterized in that: described high-temperature region moisture exhausting port (6) is connected with the first heat reclamation device (19), described middle warm area moisture exhausting port (8) is connected with the second heat reclamation device (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420621984.0U CN204165357U (en) | 2014-10-24 | 2014-10-24 | Utilize the equipment of power-plant flue gas waste heat dried biomass fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420621984.0U CN204165357U (en) | 2014-10-24 | 2014-10-24 | Utilize the equipment of power-plant flue gas waste heat dried biomass fuel |
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| CN204165357U true CN204165357U (en) | 2015-02-18 |
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| CN201420621984.0U Withdrawn - After Issue CN204165357U (en) | 2014-10-24 | 2014-10-24 | Utilize the equipment of power-plant flue gas waste heat dried biomass fuel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329923A (en) * | 2014-10-24 | 2015-02-04 | 中盈长江国际新能源投资有限公司 | Method and equipment for drying biomass fuel by using residual heat of flue gas of power plant |
-
2014
- 2014-10-24 CN CN201420621984.0U patent/CN204165357U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329923A (en) * | 2014-10-24 | 2015-02-04 | 中盈长江国际新能源投资有限公司 | Method and equipment for drying biomass fuel by using residual heat of flue gas of power plant |
| WO2016062256A1 (en) * | 2014-10-24 | 2016-04-28 | 中盈长江国际新能源投资有限公司 | Method and apparatus for using excess heat from power plant flue gas to dry biomass fuel |
| CN104329923B (en) * | 2014-10-24 | 2016-06-15 | 中盈长江国际新能源投资有限公司 | Utilize method and the equipment thereof of power-plant flue gas waste heat dried biomass fuel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150218 Effective date of abandoning: 20160615 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |