CN203478891U - Steam rotary drying system using superheated steam humidity carrying - Google Patents
Steam rotary drying system using superheated steam humidity carrying Download PDFInfo
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- CN203478891U CN203478891U CN201320550114.4U CN201320550114U CN203478891U CN 203478891 U CN203478891 U CN 203478891U CN 201320550114 U CN201320550114 U CN 201320550114U CN 203478891 U CN203478891 U CN 203478891U
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Abstract
The utility model relates to a steam rotary drying system using superheated steam humidity carrying. The steam rotary drying system comprises a steam rotary drying machine. A spiral conveyor for conveying to-be-dried materials is connected to the front end of the steam rotary drying machine. The rear end of the steam rotary drying machine is respectively connected with a first-path steam pipeline and a condensate pipeline. The first-path steam pipeline is used for conveying a drying heat source into a steam heat exchanging tube of the steam rotary drying machine. The condensate pipeline is used for discharging the condensate in the steam heat exchanging tube. A discharge hood whose lower opening can discharge dried materials is disposed on the steam rotary drying machine. The discharge hood is located on one side close to the read end of the steam rotary drying machine. The upper opening of the discharge hood is connected with a dust collector for collecting dust of tail gases. The dust collector is connected with a draught fan. The steam rotary drying system is characterized in that the spiral conveyor is further connected with an superheated steam pipeline for conveying the superheated steam. The superheated steam pipeline is connected with a heating device for heating all the steam entering the superheated steam pipeline.
Description
Technical field
The present invention relates to dry materials technical field, especially relate to a kind of superheated steam that utilizes and take wet steam rotary drying system.
Background technology
The high-moisture coals such as brown coal and other high moisture materials, carry out large-scale application to it, must be by methods such as drying and upgradings to improve its use value.The hydrogenous coals such as brown coal usually show feature inflammable, easy efflorescence in dry run, and this has higher requirement in the design of the aspects such as safety, environmental protection to drying process.
Aspect process safety, the drying mode that hot flue gas directly contacts with brown coal is difficult to long-term, stable maintaining below 5% because of oxygen content in hot flue gas, and system exists larger potential safety hazard.So adopt of existing brown coal drying technique utilizes saturated vapor that the steam rotary drying mode of thermal source is provided more.Saturated vapor and brown coal are by the mediate contact of heat exchange tube wall and complete heat exchange, and this has been avoided heat medium to contact with the direct of brown coal, and this has improved the security of the thermal efficiency and system to a certain extent.
It is that the consumption of nitrogen is large that current disclosed steam indirect heat-exchange rotation technique adopts the mode of nitrogen or nitrogen and hot-air combination to take wet, outstanding shortcoming more, and system operation cost is higher.
Summary of the invention
For the problems referred to above, the utility model proposes a kind of novel superheated steam that utilizes and take wet steam rotary drying system, it is usingd superheated steam and takes humid gas as the circulation of dry run, and the moisture that the hydrogenous coals such as brown coal or other high moisture materials are removed is taken steam rotary dryer out of; Can efficiently solve existing brown coal drying technique and have the problem that operating cost is high.
For achieving the above object, the utility model adopts following technical scheme: the superheated steam that utilizes of the present utility model is taken wet steam rotary drying system, include steam rotary dryer, the front end of described steam rotary dryer is connected with the conveying worm of carrying material to be dried, the rear end of described steam rotary dryer is connected with respectively to carrying the first via jet chimney of drying source in its steam heat-exchanging tubulation and discharging the condensing water conduit of condensed water in described steam heat-exchanging tubulation, on described steam rotary dryer, be provided with end opening and can discharge the discharging cover of dried material, described discharging cover is positioned at a side that approaches described steam rotary dryer rear end, the deduster that tail gas is carried out to dedusting that is connected with suitable for reading of described discharging cover, described deduster is connected with air-introduced machine, it is characterized in that: described conveying worm is also connected with the superheat steam pipeline of carrying superheated steam, and described superheat steam pipeline is connected with the heater heating entering the steam of described superheat steam pipeline.
In order further to improve the utilization of superheated steam, reduce the problem that nitrogen consumes, of the present utility modelly utilize superheated steam to take wet steam rotary drying system further to be improved, described air-introduced machine is connected with described heater by circulating line.
In order further to improve the utilization of superheated steam, reduce the problem that nitrogen consumes, of the present utility modelly utilize superheated steam to take wet steam rotary drying system further to be improved, between described discharging cover and described deduster, be provided with the exhaust pipe of emission; Described superheat steam pipeline is provided with superheated steam branch pipe(tube), and described superheated steam branch pipe(tube) is connected with described exhaust pipe by return-air control valve.
In order further to improve the utilization of superheated steam, reduce the problem that nitrogen consumes, of the present utility modelly utilize superheated steam to take wet steam rotary drying system further to be improved, between described discharging cover and described deduster, be provided with the exhaust pipe of emission; Described exhaust pipe is connected with Third Road jet chimney by protection valve.
In order further to improve the utilization of superheated steam, reduce the problem that nitrogen consumes, of the present utility modelly utilize superheated steam to take wet steam rotary drying system further to be improved, described heater be vapor heat exchanger, electric heater the two one of or the two combination.
In order further to improve the utilization of superheated steam, reduce the problem that nitrogen consumes, of the present utility modelly utilize superheated steam to take wet steam rotary drying system further to be improved, described condensing water conduit is connected with flash evaporation tank, and by flash steam pipeline, at least one is connected described flash evaporation tank with described steam rotary dryer, described discharging cover, described deduster three.
In order further to improve the utilization of superheated steam, reduce the problem that nitrogen consumes, of the present utility modelly utilize superheated steam to take wet steam rotary drying system further to be improved, described vapor heat exchanger is connected with to the second road jet chimney of its input saturated vapor; Can also on described the second road jet chimney, be provided with and control the by-pass valve control that enters the steam flow in described vapor heat exchanger.
In order further to improve the utilization of superheated steam, reduce the problem that nitrogen consumes, of the present utility modelly utilize superheated steam to take wet steam rotary drying system further to be improved, described deduster is at least one in sack cleaner, cyclone dust collectors, electrostatic precipitator three.
In order further to solve the high problem of existing equipment cost, of the present utility modelly utilize superheated steam to take wet steam rotary drying system further to be improved, described first via jet chimney is 0.4-4.0 MPa saturated vapor pipeline for carrying pressure, and being preferably and carrying pressure is 0.6-2.0 MPa saturated vapor pipeline; Described the second road jet chimney, Third Road jet chimney are for carrying pressure to be 1.0-4.0 MPa saturated vapor pipeline; Being preferably and carrying pressure is 1.3-2.5MPa saturated vapor pipeline.
The superheated steam that utilizes of the present utility model is taken wet steam rotary drying system, adopt fresh superheated steam and by conveying worm, enter the drying mode that wet superheated steam mixes taken in steam rotary dryer cavity, changed that tradition is utilized nitrogen to take to wet or air is taken wet, nitrogen mode as a supplement.This prior art is the upper consumption that reduces nitrogen largely, reduces operating cost.Meanwhile, it is safe that superheated steam is taken wet essence, can effectively control the oxygen content in drying equipment, stops the potential safety hazards such as brown coal burning.
The superheated steam that utilizes of the present utility model is taken wet steam rotary drying system, can also utilize the flow that regulates the second road saturated vapor, improves and takes wet superheat steam temperature; By the return-air control valve on superheated steam branch pipe(tube), the measures such as mixing proportion that wet superheated steam and fresh superheated steam are taken in adjustment have improved the temperature that enters sack cleaner gas.Meanwhile, after the inlet gas temperature of sack cleaner is carried out above-mentioned adjusting, still can not guarantee that Third Road saturated vapor enters rapidly system when dew point is above, form the gas temperature that superheated steam upper raising largely enter sack cleaner.This combination control measure have thoroughly guaranteed the operation that sack cleaner is efficient, stable, thereby make dust-laden take wet tail gas, obtain very effectively purifying.It is large that the steam rotary drying system of efficient anti-condensation of the present utility model has effectively avoided tradition to take wet tail gas dust content, in condensation recovery waste heat process, easily stop up the shortcomings such as heat exchanger, heat exchange efficiency are low, really play the effect of energy-saving and environmental protection, water saving.
Utilize vapor heat exchanger to heat entering the steam of superheat steam pipeline, its advantage is: Steam Heating can obtain purer solidifying water, and solidifying water can also shwoot goes out low-pressure steam and realizes secondary utilization; Again, the condensed water that steam heat-exchanging obtains also can utilize, and this for water-deficient area highly significant; There is not potential safety hazard in vapor heat exchanger heating; Vapor heated sealing is relatively ripe, stable; The heated final temperature of taking humid gas is not generally very high, utilizes Steam Heating can realize completely, and factory has such steam condition or has steam more than needed to utilize mostly; Use the equipment investment of vapor heat exchanger little, be produced into this locality; Steam heat-exchanging is controlled temperature, Flow-rate adjustment simply, flexibly by steam control valve.
Utilize electric heater to heat entering the steam of superheat steam pipeline, its advantage is: contamination-free produces, and can really realize " zero-emission " recycled offgas; Can be heated to higher temperature, because electric heater can reach higher temperature, so recycled offgas can be heated to, be heated to 300 ℃ of above high temperature; The heat source temperature of electric heater is stable, and almost not fluctuation utilizes electric heater heated air to belong to traditional mature technology simultaneously; Temperature regulates accurately, and electric heater utilizes controllable silicon to carry out temperature adjusting, and accuracy is high.
Utilize vapor heat exchanger and electric heater to heat entering the steam of superheat steam pipeline simultaneously, maximum feature is first to utilize steam heat-exchanging to carry out recycled offgas to heat up largely, more accurate intensification is more among a small circle carried out in recycling electrical heating, the temperature control inaccuracy of so both having avoided utilizing completely Steam Heating to produce, has avoided again utilizing completely electrical heating energy consumption, shortcoming that cost is higher.
As can be seen here, the utility model, with respect to prior art, has outstanding substantive distinguishing features and significant progressive, obtains technique effect very effectively.
Accompanying drawing explanation
Fig. 1 is the structure connection diagram of utilizing superheated steam to take wet steam rotary drying system of the present utility model.
Wherein, 1 is first via jet chimney, and 2 is superheat steam pipeline; 3 is Third Road jet chimney; 4 is the second road jet chimney, and 5 is by-pass valve control, and 6 is vapor heat exchanger; 7 is circulating line; 8 is air-introduced machine, and 9 is condensing water conduit, and 10 is flash evaporation tank; 11 is discharging cover; 12 is steam rotary dryer, and 13 is conveying worm, and 14 is material bin; 15 is sack cleaner; 16 is exhaust pipe, and 17 is flash steam pipeline, and 18 is protection valve; 19 is superheated steam branch pipe(tube), and 20 is return-air control valve.
The specific embodiment
Be described with reference to the accompanying drawings the specific embodiment of utilizing superheated steam to take wet steam rotary drying system of the present utility model.
As can be seen from Figure 1, the superheated steam that utilizes of the present utility model is taken wet steam rotary drying system, include steam rotary dryer 12, the front end of described steam rotary dryer 12 is connected with the conveying worm 13 of carrying material to be dried, the rear end of described steam rotary dryer 12 is connected with respectively to carrying the first via jet chimney 1 of drying source in its steam heat-exchanging tubulation and discharging the condensing water conduit 9 of condensed water in described steam heat-exchanging tubulation, described steam rotary dryer 12 rear ends are provided with the discharging cover 11 that end opening can be discharged dried material, the deduster 15 that tail gas is carried out to dedusting that is connected with suitable for reading of described discharging cover 11, described deduster is connected with air-introduced machine 8, described conveying worm 12 is also connected with the superheat steam pipeline 2 of carrying superheated steam, and described superheat steam pipeline 2 is connected with the heater 6 heating entering the steam of described superheat steam pipeline 2.
Wherein, described air-introduced machine 8 is connected with described heater by circulating line 7; Between described discharging cover 11 and described deduster 15, be provided with the exhaust pipe 16 of emission; Described superheat steam pipeline 2 is provided with superheated steam branch pipe(tube) 19, and described superheated steam branch pipe(tube) 19 is connected with described exhaust pipe 16 by return-air control valve 20; Described exhaust pipe 16 is connected with Third Road jet chimney 3 by protection valve 18; Described condensing water conduit 9 is connected with flash evaporation tank 10, and by flash steam pipeline 17, at least one is connected described flash evaporation tank 10 with described steam rotary dryer 12, described discharging cover 11, described deduster 15 threes; Described deduster is at least one in sack cleaner 15, cyclone dust collectors, electrostatic precipitator three.
Described heater be vapor heat exchanger 6, electric heater the two one of or the two combination; If described heater is vapor heat exchanger 6, described vapor heat exchanger 6 is connected with the second road jet chimney 4 of its input saturated vapor, is provided with and controls the by-pass valve control 5 that enters the steam flow in described vapor heat exchanger on described the second road jet chimney 4.
At the superheated steam that utilizes of the present utility model, take in wet steam rotary drying system, take brown coal drying flow process as example explanation material to be dried flow process: brown coal to be dried are by material bin 14, by conveying worm 13, be delivered in steam rotary dryer 12, brown coal are with the barrel body rotation of steam rotary dryer 12, and the direction tilting along cylindrical shell flows from the head end box rear end of steam rotary dryer 12.In steam rotary dryer 12, be furnished with steam heat-exchanging tubulation, first via saturated vapor as drying source enters steam rotary dryer 12 and brown coal mediate contact to be dried from first via jet chimney 1, carry out heat transmission, first via saturated vapor discharges latent heat, treat drying brown coal and carry out contact drying, dried brown coal are the 11 end openings discharges of the discharging cover from steam rotary dryer 12 as dry products coal.
First via saturated vapor flow process: the first via saturated vapor as drying source is delivered in the tubulation in steam rotary dryer 12 by conveying worm 13, after discharging latent heat with material to be dried indirect heat exchange, form condensed water, condensed water enters other range sites by condensing water conduit 9: such as entering flash evaporation tank 10, also can directly enter condensed water recovery unit.
Take humid gas flow process: the latent heat that the moisture absorption first via saturated vapor condensation in material to be dried discharges, evaporation and then form fresh superheated steam, now, superheated steam via superheat steam pipeline 2 enters in steam rotary dryer 12 cavitys by conveying worm 13, with form before this fresh superheated steam and mix after under the attraction of air-introduced machine 8, by discharging cover 11 discharge suitable for reading on steam rotary dryer 12, via exhaust pipe 16, enter into sack cleaner 15 or cyclone dust collectors or electrostatic precipitator, because the above-mentioned tail gas that wets of taking is carried a certain amount of coal dust secretly, after sack cleaner 10 high-effective dust-removings, become comparatively clean superheated steam.
Clean superheated steam is divided into after drying system is directly discharged on two-way ，Yi road and enters follow-up waste heat recovery or water recovery unit after air-introduced machine; Another road enters circulation process through circulating line 7 and the second road saturated vapor heat exchange intensification or electric heater heat temperature raising in vapor heat exchanger 6.The steam that enters circulation process is divided into two parts again: wherein a part of superheated steam is connected with conveying worm 13 through superheat steam pipeline 2, enters the rear continuation of steam rotary dryer 12 and carries out the above-mentioned wet function of taking; Wherein another part superheated steam is by superheated steam branch pipe(tube) 19, at return-air control valve 20, open under situation, through exhaust pipe 16, enter with above-mentioned the bulk temperature that the wet tail gas of taking of sack cleaner 15 mixes to regulate the gas that enters sack cleaner or cyclone dust collectors or electrostatic precipitator again, prevent cloth bag dewfall.
The second road saturated vapor flow process: the second road saturated vapor enters through vapor heat exchanger 6 through the second road steam pipe 4 roads, under vapor heat exchanger 6 effects, form superheated steam and enter superheat steam pipeline 2, then mix with the wet superheated steam of taking entering by conveying worm 13 in steam rotary dryer 12 cavitys, carry out the dry handling procedure of the materials to be dried such as brown coal.Heat exchange rear section steam forms condensed water, and condensed water can enter into other range sites by condensing water conduit 9: such as entering flash evaporation tank 10, also can directly enter condensed water recovery unit.
When the wet superheat steam temperature of taking of circulation is lower, for improving it, take wet ability and the effectively generation of the phenomenons such as Antidewing, the by-pass valve control 5 of adjustable the second road saturated vapor, increases the flow of the second road saturated vapor.
Third Road saturated vapor flow process: Third Road saturated vapor is during via Third Road jet chimney 3, protected valve 18 is controlled and exhaust pipe 16 UNICOMs, when the wet superheat steam temperature of taking of exhaust pipe 16 is lower, in sack cleaner 15, likely there is dewfall phenomenon; Third Road saturated vapor enters into exhaust pipe 16 via Third Road jet chimney 3, increases the temperature of exhaust pipe 16 interior steam, and Antidewing phenomenon occurs.Its main cause is: the temperature of Third Road saturated vapor and pressure are all higher than temperature and the pressure of taking wet superheated steam, Third Road saturated vapor enters into exhaust pipe 16, pressure moment reduction forms superheated steam, the temperature of the new superheated steam forming is still higher than taking wet superheated steam, therefore take the temperature of wet superheated steam, be heated, effectively prevented the generation of the interior dewfall phenomenon of sack cleaner 10.
Indirect steam companion thermal flow process: be condensed into saturated condensed water after the saturated vapor release heat in the steam heat-exchanging tubulation of steam rotary dryer 12, condensed water goes out the more indirect steam of low-pressure through flash evaporation tank 10 shwoots, indirect steam enters and is attached thereto the key device that connects such as companion's heat 11 of sack cleaner 15, steam rotary dryer 12, discharging cover, to improve the overall thermal utilization rate of system through flash steam pipeline 17.
It is 0.4-4.0 MPa that described first via jet chimney 1 is carried the pressure of first via saturated vapor, and being preferably and carrying pressure is 0.6-2.0 MPa; It is 1.0-4.0 MPa that described the second road jet chimney 4 is carried the pressure of the second road saturated vapor, is preferably 1.3-2.5MPa; The pressure of the Third Road saturated vapor that Third Road jet chimney 3 is carried is 1.0-4.0 MPa, is preferably 1.3-2.5MPa.About steam pressure scope choose according to being mainly to consider process operation economy, particularly: lower than the lower of preferable range, prescribe a time limit, the pressure of steam is lower, and the pressure of the solidifying water forming after steam heat-exchanging is corresponding lower, solidifying water should not be discharged from equipment, and this can heat exchanging have a negative impact; Higher than preferable range upper, in limited time the pressure of steam is higher, is generally used for generating but not be used for heat exchange in high steam commercial Application, and meanwhile, the material of high steam heat exchange heat exchanging equipment, pipeline etc. is had relatively high expectations, and equipment investment is larger.
The superheated steam that utilizes of the present utility model is taken wet steam rotary drying system, can also be applied to removing of the organic solvents such as toluene in material except being applied to brown coal dehydrations; Toluene can be by the wax for example out of a kind of extracting substances in material, then Residual Toluene is in material, if reclaim toluene just needs just can adopt steam rotary superheated steam to take wet technique to carry out the intensification of material and make toluene evaporates, because toluene is inflammable and explosive material, its intensification subtractive process is very responsive to oxygen.
Claims (16)
1. one kind is utilized superheated steam to take wet steam rotary drying system, include steam rotary dryer, the front end of described steam rotary dryer is connected with the conveying worm of carrying material to be dried, the rear end of described steam rotary dryer is connected with respectively to carrying the first via jet chimney of drying source in its steam heat-exchanging tubulation and discharging the condensing water conduit of condensed water in described steam heat-exchanging tubulation, described steam rotary dryer rear end is provided with the discharging cover that end opening can be discharged dried material, the deduster that tail gas is carried out to dedusting that is connected with suitable for reading of described discharging cover, described deduster is connected with air-introduced machine, it is characterized in that: described conveying worm is also connected with the superheat steam pipeline of carrying superheated steam, and described superheat steam pipeline is connected with the heater heating entering the steam of described superheat steam pipeline.
2. the superheated steam that utilizes according to claim 1 is taken wet steam rotary drying system, it is characterized in that:
Described air-introduced machine is connected with described heater by circulating line.
3. the superheated steam that utilizes according to claim 2 is taken wet steam rotary drying system, it is characterized in that: the exhaust pipe that is provided with emission between described discharging cover and described deduster; Described superheat steam pipeline is provided with superheated steam branch pipe(tube), and described superheated steam branch pipe(tube) is connected with described exhaust pipe by return-air control valve.
4. the superheated steam that utilizes according to claim 2 is taken wet steam rotary drying system, it is characterized in that: the exhaust pipe that is provided with emission between described discharging cover and described deduster; Described exhaust pipe is connected with Third Road jet chimney by protection valve.
5. the superheated steam that utilizes according to claim 3 is taken wet steam rotary drying system, it is characterized in that: described exhaust pipe is connected with Third Road jet chimney by protection valve.
6. according to the superheated steam that utilizes described in arbitrary claim in claim 1-5, take wet steam rotary drying system, it is characterized in that: described heater be vapor heat exchanger, electric heater the two one of or the two combination.
7. according to the superheated steam that utilizes described in arbitrary claim in claim 1-5, take wet steam rotary drying system, it is characterized in that: described condensing water conduit is connected with flash evaporation tank, by flash steam pipeline, at least one is connected described flash evaporation tank with described steam rotary dryer, described discharging cover, described deduster three.
8. the superheated steam that utilizes according to claim 6 is taken wet steam rotary drying system, it is characterized in that: described vapor heat exchanger is connected with to the second road jet chimney of its input saturated vapor.
9. the superheated steam that utilizes according to claim 8 is taken wet steam rotary drying system, it is characterized in that: on described the second road jet chimney, be provided with the by-pass valve control of controlling the steam flow that enters described vapor heat exchanger.
10. the superheated steam that utilizes according to claim 9 is taken wet steam rotary drying system, it is characterized in that: described deduster is at least one in sack cleaner, cyclone dust collectors, electrostatic precipitator three.
11. take wet steam rotary drying system according to the superheated steam that utilizes described in arbitrary claim in claim 1-5, it is characterized in that: described first via jet chimney is 0.4-4.0 MPa saturated vapor pipeline for carrying pressure.
12. take wet steam rotary drying system according to the superheated steam that utilizes described in claim 4 or 5, it is characterized in that: described Third Road jet chimney is 1.0-4.0 MPa saturated vapor pipeline for carrying pressure.
13. according to Claim 8 in the superheated steam that utilizes described in arbitrary claim take wet steam rotary drying system, it is characterized in that: described the second road jet chimney is 1.0-4.0 MPa saturated vapor pipeline for carrying pressure.
14. superheated steams that utilize according to claim 11 are taken wet steam rotary drying system, it is characterized in that: described first via jet chimney is preferably and carries pressure is 0.6-2.0 MPa saturated vapor pipeline.
15. superheated steams that utilize according to claim 12 are taken wet steam rotary drying system, it is characterized in that: described Third Road jet chimney is preferably and carries pressure is 1.3-2.5MPa saturated vapor pipeline.
16. superheated steams that utilize according to claim 13 are taken wet steam rotary drying system, it is characterized in that: described the second road jet chimney is preferably and carries pressure is 1.3-2.5MPa saturated vapor pipeline.
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| CN201320550114.4U CN203478891U (en) | 2013-09-05 | 2013-09-05 | Steam rotary drying system using superheated steam humidity carrying |
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| CN201320550114.4U CN203478891U (en) | 2013-09-05 | 2013-09-05 | Steam rotary drying system using superheated steam humidity carrying |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034126A (en) * | 2014-06-20 | 2014-09-10 | 吴宏 | Superheated-steam drying system and process |
| CN104197684A (en) * | 2014-08-29 | 2014-12-10 | 山东山大能源环境有限公司 | Water-recyclable superheat steam drying lignite system and process method thereof |
| CN105685200A (en) * | 2016-01-26 | 2016-06-22 | 山东天力干燥股份有限公司 | System and method for superheated steam and hot air combined drying of prawns as well as application of system and method |
| CN107514874A (en) * | 2017-08-01 | 2017-12-26 | 山东科院天力节能工程有限公司 | Suitable for the Novel steam rotary drying system of the high viscous material of high humidity |
| CN113167528A (en) * | 2018-11-01 | 2021-07-23 | 丹麦技术大学 | Pulp drying apparatus, pulp drying method and use of pulp drying apparatus |
| CN115371414A (en) * | 2022-09-15 | 2022-11-22 | 南漳龙蟒磷制品有限责任公司 | Environment-friendly calcium hydrophosphate steam drying method |
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2013
- 2013-09-05 CN CN201320550114.4U patent/CN203478891U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034126A (en) * | 2014-06-20 | 2014-09-10 | 吴宏 | Superheated-steam drying system and process |
| CN104034126B (en) * | 2014-06-20 | 2019-08-02 | 吴宏 | A kind of superheat steam drying system and technique |
| CN104197684A (en) * | 2014-08-29 | 2014-12-10 | 山东山大能源环境有限公司 | Water-recyclable superheat steam drying lignite system and process method thereof |
| CN105685200A (en) * | 2016-01-26 | 2016-06-22 | 山东天力干燥股份有限公司 | System and method for superheated steam and hot air combined drying of prawns as well as application of system and method |
| CN107514874A (en) * | 2017-08-01 | 2017-12-26 | 山东科院天力节能工程有限公司 | Suitable for the Novel steam rotary drying system of the high viscous material of high humidity |
| CN113167528A (en) * | 2018-11-01 | 2021-07-23 | 丹麦技术大学 | Pulp drying apparatus, pulp drying method and use of pulp drying apparatus |
| CN115371414A (en) * | 2022-09-15 | 2022-11-22 | 南漳龙蟒磷制品有限责任公司 | Environment-friendly calcium hydrophosphate steam drying method |
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Address after: 250101 Shandong city of Ji'nan province high tech Zone Shun Road No. 2000 Shun Tai Plaza No. 2 building 15 room 1501 Patentee after: Shandong Tianli energy Limited by Share Ltd Address before: 250101, Shandong Province, Ji'nan hi tech Zone, No. 554 Feng Feng Road, environmental science and Technology Park, building 8, Feng Feng building, room 230 Patentee before: Shandong Tianli Drying Co., Ltd. |
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Granted publication date: 20140312 Termination date: 20180905 |