CN201517880U - Coal slime drying system - Google Patents
Coal slime drying system Download PDFInfo
- Publication number
- CN201517880U CN201517880U CN2009202389610U CN200920238961U CN201517880U CN 201517880 U CN201517880 U CN 201517880U CN 2009202389610 U CN2009202389610 U CN 2009202389610U CN 200920238961 U CN200920238961 U CN 200920238961U CN 201517880 U CN201517880 U CN 201517880U
- Authority
- CN
- China
- Prior art keywords
- plate
- coal slime
- heating
- dryer
- steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a coal slime drying system, which has the advantages of rational structure and convenient utilization and the like and can effectively dry coal slimes. The coal slime drying system is structurally characterized by comprising a feeding system, wherein the feeding system is connected with a feed hopper of a chain plate dryer through a scattering device, a discharge hopper of the chain plate dryer is connected with a conveying system, the chain plate dryer is connected with a steam heating system and is also connected with a draining system, a draught fan leads a boiler electro-precipitator to be connected with a gas flue, smoke gas is delivered into the chain plate dryer through an adjustment valve and a smoke distributor, and an exhaust port of the chain plate dryer is connected with a chimney through a cyclone separator and an exhaust fan.
Description
Technical field
The utility model relates to a kind of coal slime drying system.
Background technology
Along with the raising of coal mining mechanization degree, fine coal, smalls shared ratio in raw coal is increasing, and this just makes the primary slime of thermal coal coal washery and the floating tail-coal amount of coking coal coal washery increase greatly.Coal slime is as the byproduct that produces in the washing process, because of have fine size, retentiveness is strong, ash content is high, and contains characteristics such as more clay, has brought inconvenience for the comprehensive utilization of coal slime.At present the coal slime overwhelming majority of washery all cheapness sell to local peasant, not only polluted environment but also caused the waste of resource, the value of coal slime does not obtain real embodiment.How to make good use of valuable coal slime resource, making it turns waste into wealth, and can not only produce considerable economic, has also solved coal slime and has stacked a series of problems such as land occupation and contaminated environment.Coal slime had both helped alleviating the tense situation of coal in China supply as being directly used in boiler combustion and generating, can reduce thermoelectric enterprise fuel cost again.And in short supply along with fire coal, coal price rises on the way, giving heat supply is the local thermoelectric with heavy blow of master, the edge in loss is walked by enterprise, prime cost-fuel cost as power plant is in the great majority, reducing fuel cost becomes the first-selection of constituent parts, and coal price is strong all the time and steadily increasing, constituent parts is followed closely eye on the byproduct-coal slime of coal for this reason, and the moisture of coal slime reaches more greatly about 28%, carries, the coal breakage link is difficulty relatively, the interpolation and the use of restriction coal slime, coal slime relatively more commonly used is at present removed moisture two kinds of methods: the one, and airing, but required site area is bigger, and be subjected to weather, seasonal effect is bigger; The 2nd, oven dry.The equipment that is used for coal slime oven dry at present mainly contains two kinds of rotary dryer and spiral dryers, preceding a kind of device structure is simple, use reliably, adaptability is stronger, but it exists the thermal efficiency is low, equipment volume big and heavy, need hot-blast stove of configuration, floor space big, pollute shortcomings such as bigger; The volume of a kind of equipment in back is less, and sealing is better, but owing to coal slime heat absorption oven dry in flight extruding progradation, lumps easily, and its aridity also is difficult to evenly, and equipment attrition is big, also needs supporting firing equipment etc.Above-mentioned drying unit not only output is not high, but also needs more corollary equipment, is unfavorable for promoting the use of in existing power plant or steam power plant.
The utility model content
The purpose of this utility model is exactly in order to address the above problem, and provides a kind of and has rational in infrastructurely, easy to use, can effectively carry out the coal slime drying system of advantage such as drying to coal slime.
For achieving the above object, the utility model adopts following technical scheme:
A kind of coal slime drying system, it comprises feeding system, and feeding system is connected with the feed hopper of chain plate dryer by breaing up device I, and the discharge bucket of chain plate dryer then is connected with induction system; The chain plate dryer is connected with steam-heating system, and the chain plate dryer also is connected with draining system; Air-introduced machine is connected the boiler electric cleaner with flue, flue gas is sent into the chain plate dryer by regulating gate and flue gas distributor; Chain plate dryer exhaust outlet then is connected with chimney by cyclone separator, air exhauster.
Be provided with the multilayer scraper plate in the described chain plate dryer, the scraper plate two ends are connected with the scraper plate driven pulley with the scraper plate driving wheel respectively, and the scraper plate driving wheel is connected with variable-frequency motor by chain; Be provided with on the top of every layer of scraper plate and scrape the coal baffle plate accordingly, bottom at every layer of scraper plate is provided with heating plate, heating plate is provided with several heating plate dividing plates, heating plate is connected with draining system with steam-heating system, steam-heating system is several jet chimneys, and jet chimney is connected with heating plate by the heating steam import; Also be provided with a plurality of flues and gland steam exhauster in the chain plate dryer, exhaust gases passes is connected with the flue gas distributor with the flue gas nozzle, and the flue gas nozzle is arranged on every layer of scraper plate top, and gland steam exhauster also is connected with draining system; Between adjacent scraper plate, be provided with and break up device II.
Described heating plate is airtight cavity, and the one side is provided with the heating steam import, and opposite side is provided with drain port, is provided with staggered heating plate dividing plate in heating plate inside.
Described scraper plate is the intensity that a horizontal again band steel improves scraper plate in the middle of the horizontal upright band steel back side.
The described device I that breaks up is the biaxial rneader that has helical blade that is arranged on the feed hopper place, biaxial rneader is a rotating frequency control formula, the helical blade spacing is 100mm, and welds stator blade on the feed hopper madial wall, makes the coal slime path clearance below 100mm; The described device II that breaks up is a mixer.
Described feeding system comprises elevating hopper, and elevating hopper matches with charging belt, and charging belt cooperates with feed hopper.
Described draining system comprises Steam Recovery collection case, drain water piping and the drain tank that connects successively.
The utility model is at the characteristic of coal slime and the mechanism of application oven dry, utilize power plant to have the advantage of fluidized-bed combustion boiler flue gas (exhaust gas temperature is about 150 ℃) and steam, structure to drying plant is improved, the moderate cost of whole system, automaticity is higher, operate steadily, can guarantee that the mini thermoelectric heat industry mixes the needs that burn 60% coal slime.
Because wet coal slime characteristic and grain, feed have very big difference, coal slime moisture is bigger, and viscosity contains more impurity such as stone etc. by force and in the coal slime, can not directly use plate dryer to dry.In order to adapt to the coal slime oven dry, the utility model has carried out following transformation:
(1) on the hopper of charging place, disposes biaxial rneader, adopt helical blade, play broken " bridge " anti-charging ponding, and keep the material directed flow; Blade pitgh is designed to 100mm, and welds stator blade on hopper side wall, makes the coal slime path clearance below 100mm, with prevent than ratchel by and damage equipment.This biaxial rneader adopts frequency control, and one, can be according to moisture size control delivery rate; Two, because but the complete and rotating of frequency converter protection can prevent that stone blocks damage equipment and the taking-up stone that can reverse in the coal slime.
(2) the dryer power set adopt frequency control, according to discharging moisture size control chain velocity of rotation, adjust coal slime drying time in dryer, and perfect electric and Machine guarding is set, and guarantee that equipment normally moves.
(3) increase biaxial rneader between adjacent scraper plate, this biaxial rneader disposes independent power and adopts high rotational speed (750r/min), and the blade of rotation can carry out fragmentation with the coal slime of preheating at a high speed, is beneficial to coal slime and further dries.
(4) take forced ventilation that the humid air in the dryer is discharged, and cyclone dust collectors are installed on the exhaust steam main, to remove contained dust in the waste gas.
(5) join belt conveyor (higher because of drop temperature, as to use fire-retardant belt) in time with output of dry coal mud and storage in discharging place.
(6) this product is a transmission of heat by contact, the flight chain transmission, and the heat transfer medium that uses is steam.Adopt the fluid bed smoke evacuation as heat transfer medium, this scheme had both reduced the steam use on the basis that does not influence drying effect, saved cost, had realized the Waste Heat Recovery utilization simultaneously.
(7) all change heavy scraper plate into, guarantee the uniformity and the tightness of blanking.
(8) by flue, flue valve, frequency conversion fan and flue gas distributor with boiler exhaust gas and dryer are coupled together, flue gas and coal slime Hybrid Heating are reached dry the purpose of coal slime
The beneficial effects of the utility model:
After after a while perfect, equipment is long-period stable operation continuously from Installation and Debugging for improved coal slime dryer, and the oven dry performance has reached the set goal fully.
Parameter and output before and after the coal slime oven dry see Table 1.
Parameter and output before and after the oven dry of table 1 coal slime
Do not use before the dryer, the coal slime of mixing burning is mainly by airing or buying dry coal mud, because airing is limited by place and weather, moisture is bigger, and the dry coal muddy water of buying branch is also bigger, causes coaling system and goes into furnace system and often stop up, the boiler load instability, working strength strengthens, and has a strong impact on the safety and economic operation of power plant.After using dryer, because coal slime moisture is controlled at below 12%, coaling system and go into the furnace system stopping state and greatly take a turn for the better does not constitute a threat to safe operation yet.
The cost overview:
(1) output: 20t/h, every month operation 25d moves 20h every day, then month oven dry coal slime 10000t.
(2) thermal source cost: show according to practice, the quantity of steam that baking 1t coal slime is consumed is about 0.4t, steam per ton is with 65 yuan of calculating (steam turbine one steam pumping), steam is hydrophobic to be recycled to drain tank and to utilize or sell as hot water, its price per ton is by 10 yuan of calculating, steam actual cost then per ton is 55 yuan, so a month total heat dissipation cost is 10000 * 0.4 * 55=220000 unit/moon.
(3) unit oven dry cost: 220000 ÷ 10000=22 unit/t.
Because coal slime mixes burning, whenever monthlyly can reach the requirements of comprehensive utilization that power plant is assert, value-added tax collections that can reduce by half owing to mix and dryout coal slime and significantly reduce boiler and coaling system break coal and chute blockage phenomenon, guaranteed safe operation of the boiler simultaneously.
Dryer is fit to the oven dry of coal slime fully through after transforming, whole drying course mechanization degree height, and compact conformation, floor space is little, and cost is low, can satisfy power plant or steam power plant and mix the needs that burn coal slime reduction fuel cost.Along with country fully utilizes deeply implementing and implementing of policy, coal slime comprehensive utilization work constantly advances, and the demand of coal slime is increasing; The price variance of dry coal mud and wet coal slime and the maximization of company interest will cause the demand of coal slime drying more and more urgent.And, having fine oven dry thermal source as power plant or steam power plant, used in addition steam is hydrophobic can be recycled again, has further reduced coal slime oven dry cost, thereby obtains bigger benefit.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a chain plate dryer structural representation;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 a is the blade structure schematic diagram;
Fig. 4 b is the lateral plan of Fig. 4 a;
Fig. 5 is a chain plate dryer external view;
Fig. 6 is for breaing up the apparatus structure schematic diagram;
Fig. 7 is the heating plate structural representation.
Wherein, 1. boiler electric cleaner, 2. air-introduced machine, 3. flue, 4. elevating hopper, 5. charging belt, 6. steam-heating system, 7. feed hopper, 8. biaxial rneader, 9. discharge bucket, 10. flue gas distributor, 11. regulating gates, 12. the chain plate dryer, 13. drain water pipings, 14. cyclone separators, 15. air exhauster, 16. chimneys, 17. scraper plates, 18. the scraper plate driving wheel, 19. scraper plate driven pulleys, 20. heating plates, 21. the heating plate dividing plate, 22. heating steam imports, 23. flues, 24. blow-off line, 25. flue gas nozzles, 26. drain ports, 27. variable-frequency motor, 28. chains, 29. scrape the coal baffle plate.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Because wet coal slime characteristic and grain, feed have very big difference, coal slime moisture is bigger, and viscosity contains more impurity such as stone etc. by force and in the coal slime, can not directly use plate dryer to dry.In order to adapt to the coal slime oven dry, the utility model mainly contains with the lower part to be formed, see Fig. 1: it comprises feeding system, and feeding system is connected with the feed hopper 7 of chain plate dryer 12 by breaing up device I, and 9 of the discharge buckets of chain plate dryer 12 are connected with induction system; Chain plate dryer 12 is connected with steam-heating system 6, and chain plate dryer 12 also is connected with draining system; Air-introduced machine 2 is connected boiler electric cleaner 1 with flue 3, flue gas is sent into chain plate dryer 12 by regulating gate 11 and flue gas distributor 10; Chain plate dryer 12 exhaust outlets then are connected with chimney 16 by cyclone separator 14, air exhauster 15.
Feeding system comprises elevating hopper 4, and it cooperates with charging belt 5, and material is sent to the feed hopper 7 of chain plate dryer 12, is provided with in feed hopper 7 and breaks up device I, sees Fig. 6.Breaing up device I is the biaxial rneader 8 that has helical blade, biaxial rneader 8 is rotating frequency control formula, the helical blade spacing is 100mm, and welds stator blade on feed hopper 7 madial walls, make the coal slime path clearance below 100mm with prevent than ratchel by and damage equipment.This biaxial rneader adopts frequency control, and one, can be according to moisture size control delivery rate; Two, because but the complete and rotating of frequency converter protection can prevent that stone blocks damage equipment and the taking-up stone that can reverse in the coal slime.
Be provided with multilayer scraper plate 17 in the chain plate dryer 12, scraper plate 17 two ends are connected with scraper plate driven pulley 19 with scraper plate driving wheel 18 respectively, see Fig. 2, Fig. 3, and scraper plate driving wheel 18 is connected with variable-frequency motor 27 by chain 28, sees Fig. 5; Be provided with on the top of every layer of scraper plate 17 and scrape coal baffle plate 29 accordingly, be provided with heating plate 20 in the bottom of every layer of scraper plate 17, heating plate 20 is provided with several heating plate dividing plates 21, heating plate 20 connects by heating steam import 22 steam-heating systems 6, be connected with draining system by drain port 26, see Fig. 7.Draining system comprises Steam Recovery collection case, drain water piping 13 and the drain tank that connects successively.
Also be provided with a plurality of flues 23 and gland steam exhauster 24 in chain plate dryer 12, exhaust gases passes 23 is connected with flue gas distributor 10 with flue gas nozzle 25, and flue gas nozzle 25 is arranged on every layer of scraper plate 17 tops, and gland steam exhauster 24 also is connected with draining system.17 of adjacent scraper plates are provided with breaks up device II.
In the utility model, the dryer power set adopt variable-frequency motor 27, can adjust coal slime drying time in dryer, and perfect electric and Machine guarding is set according to discharging moisture size control chain 28 velocities of rotation, guarantee that equipment normally moves.
Between adjacent two layers scraper plate 17, increase and break up device II, it is a mixer, and this mixer can be twin shaft, and disposes independent power and adopt high rotational speed (750r/min), the blade of rotation can carry out fragmentation with the coal slime of preheating at a high speed, is beneficial to coal slime and further dries.
Join B500 belt conveyor (higher because of drop temperature, as to use fire-retardant belt) at discharge bucket 9 places in time with output of dry coal mud and storage.
The utility model is surface heating and Hybrid Heating, the flight chain transmission, and the heat transfer medium that uses is steam.Steam, is got back to Steam Recovery collection case and is being got back to the purpose that drain tank reaches saving through drain water piping 13 through heating plate 20 by the steam distribution valve.Adopt the fluid bed smoke evacuation as heat transfer medium, this scheme had both reduced the steam use on the basis that does not influence drying effect, saved cost, had realized the Waste Heat Recovery utilization simultaneously.Make wet coal slime through surface heat exchanging and mixed heat transfer by heating plate and flue gas distributor, reach the purpose of oven dry.Heating plate 20 is for adding support in the middle of the steel plate welding all around, and all the other positions logical steam of installation coil pipe heat, and see Fig. 7.
The utility model is transformed scraper plate 17, all change heavy scraper plate into, heavy scraper plate 17 is the intensity that a horizontal again band steel improves scraper plate in the middle of the horizontal upright band steel back side, and to two layers, the blanking port of three interlayers installs uniformity and the tightness that the guide baffle plate guarantees blanking additional.See Fig. 4 a, Fig. 4 b.
Couple together with dryer by flue 3, adjustment gate 11, air-introduced machine 2 and flue gas distributor 10 and 1 smoke evacuation of boiler electric cleaner, make flue gas and coal slime Hybrid Heating reach the purpose of oven dry coal slime. flue gas distributor 10 inside are equipped with reversible deflector and are controlled rotating speed by variable-frequency motor, make flue gas be full of space in the whole dryer uniformly by air-introduced machine 2 and flue gas nozzle 25.
Claims (7)
1. a coal slime drying system is characterized in that it comprises feeding system, and feeding system is connected with the feed hopper (7) of chain plate dryer (12) by breaing up device I, and the discharge bucket (9) of chain plate dryer (12) then is connected with induction system; Chain plate dryer (12) is connected with steam-heating system (6), and chain plate dryer (12) also is connected with draining system; Air-introduced machine (2) is connected boiler electric cleaner (1) with flue (3), flue gas is sent into chain plate dryer (12) by regulating gate (11) and flue gas distributor (10); Chain plate dryer (12) exhaust outlet then is connected with chimney (16) by cyclone separator (14), air exhauster (15).
2. coal slime drying system as claimed in claim 1, it is characterized in that, be provided with multilayer scraper plate (17) in the described chain plate dryer (12), scraper plate (17) two ends are connected with scraper plate driven pulley (19) with scraper plate driving wheel (18) respectively, and scraper plate driving wheel (18) is connected with variable-frequency motor (27) by chain (28); Be provided with on the top of every layer of scraper plate (17) and scrape coal baffle plate (29) accordingly, be provided with heating plate (20) in the bottom of every layer of scraper plate (17), heating plate (20) is provided with several heating plate dividing plates (21), heating plate (20) is connected with draining system with steam-heating system, steam-heating system (6) is several jet chimneys, and jet chimney is connected with heating plate (20) by heating steam import (22); In chain plate dryer (12), also be provided with a plurality of flues (23) and gland steam exhauster (24), exhaust gases passes (23) is connected with flue gas distributor (10) with flue gas nozzle (25), flue gas nozzle (25) is arranged on every layer of scraper plate (17) top, and gland steam exhauster (24) also is connected with draining system; Between adjacent scraper plate (17), be provided with and break up device II.
3. coal slime drying system as claimed in claim 2, it is characterized in that described heating plate (20) is airtight cavity, the one side is provided with heating steam import (22), opposite side is provided with drain port (26), is provided with staggered heating plate dividing plate (21) in heating plate (20) inside.
4. coal slime drying system as claimed in claim 2 is characterized in that, described scraper plate (17) is the intensity that a horizontal again band steel improves scraper plate in the middle of the horizontal upright band steel back side.
5. coal slime drying system as claimed in claim 1, it is characterized in that, the described device I that breaks up is for being arranged on the biaxial rneader that has helical blade (8) that feed hopper (7) is located, biaxial rneader (8) is a rotating frequency control formula, the helical blade spacing is 100mm, and on feed hopper (7) madial wall, weld stator blade, make the coal slime path clearance below 100mm; The described device II that breaks up is a mixer.
6. coal slime drying system as claimed in claim 1 is characterized in that, described feeding system comprises elevating hopper (4), and elevating hopper (4) matches with charging belt (5), and charging belt (5) cooperates with feed hopper (7).
7. coal slime drying system as claimed in claim 1 or 2 is characterized in that, described draining system comprises Steam Recovery collection case, drain water piping (13) and the drain tank that connects successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202389610U CN201517880U (en) | 2009-09-27 | 2009-09-27 | Coal slime drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202389610U CN201517880U (en) | 2009-09-27 | 2009-09-27 | Coal slime drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201517880U true CN201517880U (en) | 2010-06-30 |
Family
ID=42498602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202389610U Expired - Lifetime CN201517880U (en) | 2009-09-27 | 2009-09-27 | Coal slime drying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201517880U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986074A (en) * | 2010-11-22 | 2011-03-16 | 大唐鸡西热电有限责任公司 | Method for drying coal slime by hot wind and smoke of power station boiler |
| CN102748923A (en) * | 2012-07-01 | 2012-10-24 | 王号德 | Method for drying coal slime |
| CN102798279A (en) * | 2012-08-15 | 2012-11-28 | 湖南省林业科学院 | Continuous drying machine for drying camellia seeds |
| CN102840749A (en) * | 2011-06-25 | 2012-12-26 | 山东省电力学校 | Drying system for lignite |
| CN104654342A (en) * | 2015-01-28 | 2015-05-27 | 江苏西铭节能环保科技有限公司 | Coal blending combustion anti-blocking device and coal blending combustion method |
| CN107462046A (en) * | 2017-06-29 | 2017-12-12 | 安徽赵老五油脂有限公司 | A kind of low power consuming high-quality oil plant flat board drying plant |
| CN109163540A (en) * | 2018-09-26 | 2019-01-08 | 中国长城葡萄酒有限公司 | Bottle water removal device |
| CN112179108A (en) * | 2019-07-02 | 2021-01-05 | 无锡炬焰能源科技有限公司 | Coal slime drying system and drying method |
| CN112179109A (en) * | 2019-07-02 | 2021-01-05 | 无锡炬焰能源科技有限公司 | Coal slime drying system |
| CN113332739A (en) * | 2021-05-27 | 2021-09-03 | 商南天和泥浆有限公司 | Polyacrylonitrile ammonium salt low temperature evaporation drying system hydrolysises |
-
2009
- 2009-09-27 CN CN2009202389610U patent/CN201517880U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986074A (en) * | 2010-11-22 | 2011-03-16 | 大唐鸡西热电有限责任公司 | Method for drying coal slime by hot wind and smoke of power station boiler |
| CN102840749A (en) * | 2011-06-25 | 2012-12-26 | 山东省电力学校 | Drying system for lignite |
| CN102748923A (en) * | 2012-07-01 | 2012-10-24 | 王号德 | Method for drying coal slime |
| CN102748923B (en) * | 2012-07-01 | 2014-07-02 | 王号德 | Method for drying coal slime |
| CN102798279A (en) * | 2012-08-15 | 2012-11-28 | 湖南省林业科学院 | Continuous drying machine for drying camellia seeds |
| CN104654342A (en) * | 2015-01-28 | 2015-05-27 | 江苏西铭节能环保科技有限公司 | Coal blending combustion anti-blocking device and coal blending combustion method |
| CN107462046A (en) * | 2017-06-29 | 2017-12-12 | 安徽赵老五油脂有限公司 | A kind of low power consuming high-quality oil plant flat board drying plant |
| CN107462046B (en) * | 2017-06-29 | 2019-06-25 | 安徽赵老五油脂有限公司 | A kind of low power consuming high-quality oil plant plate drying equipment |
| CN109163540A (en) * | 2018-09-26 | 2019-01-08 | 中国长城葡萄酒有限公司 | Bottle water removal device |
| CN109163540B (en) * | 2018-09-26 | 2023-07-21 | 中国长城葡萄酒有限公司 | Wine bottle dewatering equipment |
| CN112179108A (en) * | 2019-07-02 | 2021-01-05 | 无锡炬焰能源科技有限公司 | Coal slime drying system and drying method |
| CN112179109A (en) * | 2019-07-02 | 2021-01-05 | 无锡炬焰能源科技有限公司 | Coal slime drying system |
| CN113332739A (en) * | 2021-05-27 | 2021-09-03 | 商南天和泥浆有限公司 | Polyacrylonitrile ammonium salt low temperature evaporation drying system hydrolysises |
| CN113332739B (en) * | 2021-05-27 | 2023-11-24 | 商南天和泥浆有限公司 | Hydrolysis polyacrylonitrile ammonium salt low temperature evaporation drying system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201517880U (en) | Coal slime drying system | |
| CN102252503B (en) | Sticky wet material drying method and drying device | |
| CN204202320U (en) | A kind of novel particle drying device | |
| CN202613898U (en) | Drying device using rotary crushing and spouting fluidization | |
| CN105238425A (en) | Gas-solid mixed heat carrier quick pulverized coal pyrolysis process and device | |
| CN101755904B (en) | Energy-saving grain drying equipment | |
| CN102633422B (en) | Integrated sludge treatment device | |
| CN208222821U (en) | Environmental protection energy-saving horizontal type boiler | |
| CN102241997B (en) | Integrated device for producing carbon continuously and utilizing hot blast by utilizing biomass fuels | |
| CN204093300U (en) | Coal-burning boiler carbide slag desulphurization plant | |
| CN201709305U (en) | Energy-saving grain drying equipment | |
| CN104748508A (en) | Coal slurry drying system | |
| CN202594927U (en) | Integrated sludge treatment device | |
| CN210711236U (en) | Sludge graded drying gasification coupling coal-fired power generation system | |
| CN101625112B (en) | System for heating batch by utilizing secondary waste heat of float glass furnace | |
| CN102021006B (en) | Process for removing water content from coking coal | |
| CN205156330U (en) | High -efficient environmental protection boiler of no smoke and dust | |
| CN204555552U (en) | A kind of coal slime drying system | |
| CN102654283B (en) | Cyclone combustion system for coal slag powder | |
| CN202613918U (en) | Coal drying unit capable of reusing flue gas | |
| CN206420279U (en) | New drying equipment | |
| CN104315823A (en) | Semi coke dewatering device and method | |
| CN202119216U (en) | Drying device | |
| CN201368662Y (en) | Vertical kiln | |
| CN201770686U (en) | System for making fuel by utilizing waste sludge through drying |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100630 |
|
| CX01 | Expiry of patent term |