TW201636556A - Drying method and drying system using horizontal rotary dryer - Google Patents
Drying method and drying system using horizontal rotary dryer Download PDFInfo
- Publication number
- TW201636556A TW201636556A TW104130641A TW104130641A TW201636556A TW 201636556 A TW201636556 A TW 201636556A TW 104130641 A TW104130641 A TW 104130641A TW 104130641 A TW104130641 A TW 104130641A TW 201636556 A TW201636556 A TW 201636556A
- Authority
- TW
- Taiwan
- Prior art keywords
- end side
- heating
- carrier gas
- horizontal rotary
- rotary dryer
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/30—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotary or oscillating containers; with movement performed by rotary floors
- F26B17/32—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotary or oscillating containers; with movement performed by rotary floors the movement being in a horizontal or slightly inclined plane
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
本發明係關於利用橫式旋轉式乾燥機之乾燥方法及乾燥系統。 The present invention relates to a drying method and a drying system using a horizontal rotary dryer.
作為使煤炭或礦石等被處理物乾燥之乾燥機，大多使用蒸汽管式乾燥機(Steam Tube Dryer)(以下，稱為「STD」。)、煤炭管式乾燥機(Coal In Tube)(專利文獻1)、及旋轉爐(rotary kiln)等。煤炭或礦石等被使用作為製鐵或精煉原料、發電燃料等，因要求穩定且大量處理該等，故作為符合該要求之乾燥機，已採用上述各乾燥機。 A steam tube dryer (Steam Tube Dryer) (hereinafter referred to as "STD") or a coal tube dryer (Coal In Tube) is widely used as a dryer for drying a workpiece such as coal or ore (Patent Literature) 1), and rotary kiln (rotary kiln). Coal or ore is used as a steelmaking or refining raw material, a power generation fuel, etc., and since it is required to be stable and processed in a large amount, these dryers have been employed as dryers meeting the requirements.
STD因間接加熱被處理物，故其熱效率高，每單位容量之處理量亦較多。又，因其亦可大型化，故適用於大量處理之要求。 Since STD heats the object to be treated indirectly, it has high thermal efficiency and a large amount of processing per unit capacity. Moreover, since it can also be enlarged, it is suitable for a large number of processing requirements.
因煤炭管式乾燥機亦係間接加熱被處理物，故與上述STD同樣，其熱效率高，每單位容量之處理量亦較多。但與STD相比，其存在難以大型化之缺點。例如，於欲以煤炭管式乾燥機處理上述1台STD可處理之量時，有需要複數台煤炭管式乾燥機之情形。 Since the coal tube dryer also indirectly heats the object to be treated, it has high thermal efficiency and a large amount of processing per unit capacity as in the above STD. However, compared with STD, it has the disadvantage of being difficult to enlarge. For example, when it is desired to treat the above-mentioned one STD processable amount by a coal tube dryer, there is a case where a plurality of coal tube dryers are required.
旋轉爐因使被處理物與熱風接觸而將其直接乾燥，故與間接加熱相比，存在熱效率較差之缺點。且亦存在排氣處理設備異常龐大之缺點。基於種種原因，作為處理大量被處理物之乾燥機，STD更具優勢。 Since the rotary furnace directly dries the object to be treated by contact with hot air, it has a disadvantage of being inferior in thermal efficiency as compared with indirect heating. There are also disadvantages that the exhaust gas treatment equipment is extremely large. For a variety of reasons, STD is an advantage as a dryer that handles a large amount of processed material.
[專利文獻1]實用新型註冊第2515070號公報 [Patent Document 1] Utility Model Registration No. 2515070
近年來，被處理物之大量乾燥處理之要求漸高，為順應該要求，已不斷向乾燥機之大型化進展。若以STD之大型化為例，已製造出殼體直徑4m、本體長度30m以上者。 In recent years, the demand for a large amount of drying treatment of the processed material has been increasing, and in order to meet the demand, the large-scale development of the dryer has been progressing. Taking the enlargement of the STD as an example, a case having a casing diameter of 4 m and a body length of 30 m or more has been produced.
另一方面，於利用大型STD或小型STD使煤炭或樹脂原料等存在遇火燃燒可能之被處理物乾燥之情形時，可採用藉由使N2氣體等惰性氣體之載體氣體充滿包含STD在內之被處理物及乾燥物之搬送系統而防止氧混入之對策。 On the other hand, when a large-sized STD or a small STD is used to dry a workpiece such as coal or a resin material which may be burned by fire, it is possible to use a carrier gas containing an inert gas such as N 2 gas to fill the STD. The countermeasures for the prevention of oxygen incorporation by the transfer system of the processed object and the dried product.
又，以不使因加熱操作而飛散之水或揮發分(volatile component)之蒸汽到達露點之方式循環使用N2氣體等惰性氣體，於該循環系統內，使水或揮發分冷凝而將之去除於系統之外，N2氣體等惰性氣體本身則供循環使用。 Further, an inert gas such as N 2 gas is circulated so as not to cause the water or the volatile component vapor which is scattered by the heating operation to reach the dew point, and the water or the volatile matter is condensed and removed in the circulation system. Outside the system, inert gases such as N 2 gas are themselves recycled.
然而，仍留有以此成為主要原因之如下問題。第1：雖惰性氣體所需之循環量亦依存於設備規模，但就大型設備而言，其循環路徑上之風扇或管道亦大型化，故耗電量及設備費用較高。 However, the following problems remain as the main reason for this. No. 1: Although the amount of circulation required for inert gas depends on the scale of the equipment, in the case of large equipment, the fan or pipeline on the circulation path is also large, so the power consumption and equipment cost are high.
第2：因於循環系統內之水或揮發分冷凝時，一般使用冷卻水，故氣體溫度大多使用20℃~50℃。 Second: When water or volatiles in the circulation system are condensed, cooling water is generally used. Therefore, the gas temperature is usually 20 ° C to 50 ° C.
為減少循環系統之濕氣體之容量，則必須減少進行循環之惰性氣體之容量。 In order to reduce the capacity of the wet gas of the circulation system, it is necessary to reduce the capacity of the inert gas to be circulated.
於該情形時，若提高流入至冷凝機之來自乾燥機之排氣溫度，並使露點上升，自理論上而言則可解決問題。 In this case, if the temperature of the exhaust gas from the dryer flowing into the condenser is increased and the dew point is raised, the problem can be solved theoretically.
然而，受品溫之限制(用於防止被處理物表面之結露)及為飽和氣體之故，因散熱等而產生之結露便成為問題。 However, due to the restriction of the product temperature (to prevent condensation on the surface of the object to be treated) and the saturation gas, condensation caused by heat dissipation or the like becomes a problem.
於大型STD中，若被處理物之填充率較大，則填充部成為過熱狀態，若氣體側之冷卻及蒸發蒸汽之移動較少，則露點上升，導致於排 出側產生結露。 In a large STD, if the filling rate of the object to be processed is large, the filling portion is in an overheated state, and if the cooling on the gas side and the movement of the vaporizing vapor are small, the dew point rises and the row is discharged. Condensation occurs on the exit side.
根據乾燥物之種類而定，大多數情形下必須極力避免該結露狀態，作為其之一例，有煤炭或某種樹脂原料等。 Depending on the type of the dried product, in most cases, the dew condensation state must be avoided as much as possible, and as an example thereof, there is coal or a resin raw material.
因此，本發明之主要課題在於提供可防止結露、並可減少載體氣體量之利用橫式旋轉式乾燥機之乾燥方法。 Therefore, a main object of the present invention is to provide a drying method using a horizontal rotary dryer which can prevent dew condensation and can reduce the amount of carrier gas.
解決上述問題之本發明之方法係如下所述。 The method of the present invention for solving the above problems is as follows.
一種利用橫式旋轉式乾燥機之乾燥方法，其中該橫式旋轉式乾燥機係於其一端側具有被處理物之供給口、於另一端側具有被處理物之排出口且繞軸心自如旋轉之旋轉筒，於上述旋轉筒內設置供加熱媒體通過之多個加熱管，於將被處理物供給至上述旋轉筒之一端側並自另一端側排出之過程中，由上述加熱管加熱被處理物而使其乾燥；該利用橫式旋轉式乾燥機之乾燥方法之特徵係滿足以下所有條件：(1)於上述旋轉筒內使惰性載體氣體自上述一端側朝另一端側以並流方式流通；(2)於上述另一端側加熱上述載體氣體。 A drying method using a horizontal rotary dryer having a supply port of a workpiece on one end side and a discharge port of a workpiece on the other end side and rotating freely around an axis a rotating drum in which a plurality of heating pipes for passing a heating medium are provided, and the object to be processed is supplied to one end side of the rotating cylinder and discharged from the other end side, and is heated by the heating pipe. The drying method using the horizontal rotary dryer is characterized in that all of the following conditions are satisfied: (1) the inert carrier gas is circulated in a cocurrent manner from the one end side toward the other end side in the rotating drum. (2) heating the carrier gas on the other end side.
本發明之乾燥方法進而期望滿足將排出乾燥物之品溫設為95℃以上、將載體氣體之排出側之溫度設為95℃以上之條件。 Further, in the drying method of the present invention, it is desirable to satisfy the condition that the product temperature of the discharged dry product is 95 ° C or higher and the temperature of the discharge side of the carrier gas is 95 ° C or higher.
本發明之系統係如下所述。 The system of the present invention is as follows.
一種利用橫式旋轉式乾燥機之乾燥系統，其中該橫式旋轉式乾燥機係於其一端側具有被處理物之供給口、於另一端側具有被處理物之排出口且繞軸心自如旋轉之旋轉筒，於上述旋轉筒內設置供加熱媒體通過之多個加熱管，於將被處理物供給至上述旋轉筒之一端側並自另一端側排出之過程中，由上述加熱管加熱被處理物而使其乾燥；該利用橫式旋轉式乾燥機之乾燥系統之特徵係滿足以下所有條 件，即其包含：(1)於上述旋轉筒內使惰性載體氣體自上述一端側朝另一端側以並流方式流通之機構；及(2)設置於上述另一端側之加熱上述載體氣體之加熱機構。 A drying system using a horizontal rotary dryer having a supply port of a workpiece on one end side and a discharge port of a workpiece on the other end side and rotating freely around an axis a rotating drum in which a plurality of heating pipes for passing a heating medium are provided, and the object to be processed is supplied to one end side of the rotating cylinder and discharged from the other end side, and is heated by the heating pipe. Drying the material; the drying system using the horizontal rotary dryer is characterized by satisfying all of the following And (1) a mechanism for allowing the inert carrier gas to flow in a cocurrent manner from the one end side toward the other end side in the rotating drum; and (2) heating the carrier gas on the other end side Heating mechanism.
作為該加熱機構，可使用設置於旋轉筒之另一端側之加熱用帶。 As the heating means, a heating belt provided on the other end side of the rotating cylinder can be used.
又，作為加熱機構，亦可使用設置於旋轉筒之另一端側之使加熱媒體流通之夾套(jacket)構造。 Further, as the heating means, a jacket structure for circulating the heating medium provided on the other end side of the rotating cylinder may be used.
進而，加熱機構亦可為設置於加熱管之另一端側之散熱片。 Further, the heating means may be a heat sink provided on the other end side of the heating pipe.
除上述條件以外，亦可於另一端側設置固定器。 In addition to the above conditions, a holder may be provided on the other end side.
結露問題主要發生在排出側(旋轉筒之另一端側)。 The condensation problem mainly occurs on the discharge side (the other end side of the rotating cylinder).
於本發明中，係設定為於旋轉筒內使惰性之載體氣體自一端側朝另一端側流通之並流方式。 In the present invention, a parallel flow mode in which an inert carrier gas flows from one end side toward the other end side is set in the rotary cylinder.
於對流方式之情形時，因載體氣體溫度約為20~40℃左右，故除因排氣溫度下降使被處理物之供給入口部處之蒸發分冷凝而附著於被乾燥物之問題以外，排氣溫度及品溫之上升亦較為困難。 In the case of the convection method, since the carrier gas temperature is about 20 to 40 ° C, in addition to the problem that the evaporation at the supply inlet portion of the workpiece is condensed due to the decrease in the exhaust gas temperature and adheres to the object to be dried, The rise in gas temperature and temperature is also more difficult.
又，根據並流方式，即使較少之載體氣體量，亦可使排氣溫度及品溫上升。 Further, according to the parallel flow method, the exhaust gas temperature and the product temperature can be increased even if the amount of the carrier gas is small.
進而，於本發明中，因將排出乾燥物之品溫設為95℃以上、較佳設為97℃以上、更期望設為99℃以上，並將載體氣體之排出側之溫度設為95℃以上、較佳設為97℃以上、更期望設為99℃以上，故不易產生結露。 Furthermore, in the present invention, the temperature of the discharged dry matter is set to 95 ° C or higher, preferably 97 ° C or higher, more preferably 99 ° C or higher, and the temperature of the discharge side of the carrier gas is 95 ° C. The above is preferably 97 ° C or higher, and more desirably 99 ° C or higher, so that dew condensation is less likely to occur.
然而，雖可根據該等條件將載體氣體之露點設為95℃以上而減少載體氣體量，但另一方面，因露點為97℃左右，故連微小之散熱部亦會成為結露區域。 However, although the dew point of the carrier gas can be set to 95 ° C or more according to these conditions to reduce the amount of carrier gas, on the other hand, since the dew point is about 97 ° C, even a minute heat radiating portion becomes a dew condensation region.
因此，藉由於另一端側設置加熱載體氣體之加熱機構而提高排 氣溫度，可防止結露。 Therefore, the row is increased by the heating mechanism for heating the carrier gas on the other end side. The gas temperature prevents condensation.
此處，對將排出乾燥物之品溫及/或載體氣體之排出側之溫度設為95℃以上之情形進行補充說明。 Here, a description will be given of a case where the temperature of the discharged dry matter and/or the temperature of the discharge side of the carrier gas are 95° C. or more.
表1係抽取絕對溫度表之一部分者。該表之1kg乾燥空氣所含有之水蒸氣量xs係隨著溫度t之上升而增多，但該水蒸氣量xs於87℃之情形時為1000g/kg，相對地，其於95℃突增至約3.1倍、於97℃突增至約5.5倍、於99℃突增至約17倍。此意味著若提高溫度，則可使某一風量中包含更多之蒸汽，而其包含量於95℃以上時顯著增多。 Table 1 is the extraction of one part of the absolute thermometer. The amount of water vapor xs contained in 1 kg of dry air in the table increases as the temperature t increases, but the amount xs of water vapor is 1000 g/kg at 87 ° C, and relatively increases at 95 ° C to 95 ° C. It was about 3.1 times, swelled to about 5.5 times at 97 ° C, and suddenly increased to about 17 times at 99 ° C. This means that if the temperature is increased, more steam can be contained in a certain amount of air, and the amount thereof is significantly increased when it is above 95 °C.
再者，先前以來，考慮到確實防止結露，而以85℃~87℃之範圍之水蒸汽量xs(g/kg)為基準，設定載體氣體之送風量及排出乾燥物之品溫。 Further, in the past, in consideration of the fact that dew condensation is surely prevented, the amount of air supplied by the carrier gas and the temperature of the discharged dry matter are set based on the amount of water vapor xs (g/kg) in the range of 85 ° C to 87 ° C.
相對於此，藉由將排出乾燥物之品溫及/或載體氣體之排出側之溫度設為95℃以上，提高露點，可減少用於排出必要水分量之載體氣體之風量。但，浮現出如上所述結露之發生在微妙區域成為運轉之問題。但，根據本發明，藉由於旋轉筒之另一端側設置加熱載體氣體之加熱機構則可防止結露。 On the other hand, by setting the temperature of the discharged dry matter and/or the temperature of the discharge side of the carrier gas to 95° C. or more to increase the dew point, the amount of the carrier gas for discharging the necessary moisture content can be reduced. However, the problem of condensation occurring as described above occurs in a subtle area. However, according to the present invention, dew condensation can be prevented by providing a heating mechanism for heating the carrier gas on the other end side of the rotary cylinder.
另，本發明之排出乾燥物之品溫係指自旋轉筒之排出口剛被排出之乾燥物之溫度。 Further, the product temperature of the discharged dry matter of the present invention means the temperature of the dried material which has just been discharged from the discharge port of the rotary cylinder.
又，載體氣體之排出側之溫度係指自旋轉筒之氣體排出口剛被排出之載體氣體之溫度。 Further, the temperature of the discharge side of the carrier gas means the temperature of the carrier gas which has just been discharged from the gas discharge port of the rotary cylinder.
進而，本發明之所謂「另一端側」，係指自旋轉筒之另一端起相對於其全長未達50%。較佳為，以旋轉筒之內徑D為基準，自排出乾燥物之排出口中心至形成有被處理物之供給口之一端側為至多(0.5~3.5)D之長度為止之範圍。更希望為至多(0.5~2.0)D之長度範圍。 Further, the "other end side" of the present invention means that the other end of the rotating cylinder is less than 50% with respect to the entire length thereof. Preferably, the inner diameter D of the rotating cylinder is a range from the center of the discharge port of the discharged product to the end side of the supply port on which the workpiece is formed, which is at most the length of (0.5 to 3.5) D. It is more desirable to have a length range of at most (0.5 to 2.0) D.
若加熱機構之配設長度較短則加熱不夠充分，若加熱機構之配設長度過長則加熱能耗增大，且設備費用亦較高。 If the length of the heating mechanism is short, the heating is insufficient. If the length of the heating mechanism is too long, the heating energy is increased, and the equipment cost is also high.
如以上般，根據本發明，可防止結露、並可減少載體氣體量。 As described above, according to the present invention, condensation can be prevented and the amount of carrier gas can be reduced.
10‧‧‧旋轉筒 10‧‧‧Rotating cylinder
11‧‧‧加熱管 11‧‧‧heat pipe
12‧‧‧夾套 12‧‧‧ Jacket
12A‧‧‧熱媒加熱配管 12A‧‧‧heat medium heating piping
12B‧‧‧散熱片 12B‧‧ ‧ heat sink
13‧‧‧固定器 13‧‧‧Retainer
17‧‧‧端板部 17‧‧‧End Plate Department
20‧‧‧支持單元 20‧‧‧Support unit
20，20‧‧‧環箍構件 20,20‧‧‧Hoop components
21‧‧‧開口部 21‧‧‧ openings
22‧‧‧開口部 22‧‧‧ Openings
23‧‧‧間隔壁 23‧‧‧ partition wall
24‧‧‧螺旋葉片 24‧‧‧Spiral blades
30‧‧‧馬達單元 30‧‧‧Motor unit
32‧‧‧排出口 32‧‧‧Export
33‧‧‧載體氣體排出口 33‧‧‧Carrier gas discharge
34‧‧‧供給口 34‧‧‧ supply port
35‧‧‧罩 35‧‧ hood
41‧‧‧供給口 41‧‧‧ supply port
42‧‧‧螺旋饋料器 42‧‧‧Spiral feeder
44‧‧‧螺旋 44‧‧‧ spiral
45‧‧‧吸氣盒 45‧‧‧ suction box
46‧‧‧供給溜槽 46‧‧‧Supply chute
48‧‧‧振動馬達 48‧‧‧Vibration motor
50‧‧‧排出口 50‧‧‧Export
55‧‧‧分級罩 55‧‧‧Classified cover
56‧‧‧固定排氣口 56‧‧‧Fixed vents
57‧‧‧固定排出口 57‧‧‧Fixed discharge
60‧‧‧揚料板 60‧‧‧Young board
61‧‧‧內部蒸汽供給管 61‧‧‧Internal steam supply pipe
62‧‧‧內部排液管 62‧‧‧Internal drain tube
63‧‧‧旋轉接頭 63‧‧‧Rotary joints
65‧‧‧攪拌機構 65‧‧‧Agitating mechanism
70‧‧‧蒸汽供給管 70‧‧‧Steam supply tube
71‧‧‧排液管 71‧‧‧Draining tube
72‧‧‧氣體管 72‧‧‧ gas pipe
80‧‧‧殼體 80‧‧‧shell
A‧‧‧載體氣體(惰性氣體) A‧‧‧ carrier gas (inert gas)
C‧‧‧微粒子 C‧‧‧Microparticles
D‧‧‧旋轉筒之內徑 D‧‧‧Drawing cylinder inner diameter
D‧‧‧冷凝液 D‧‧‧ condensate
E‧‧‧處理物 E‧‧‧Processing
E‧‧‧乾燥物 E‧‧‧Dry
E‧‧‧乾燥處理物 E‧‧‧Drying treatment
R‧‧‧方向 R‧‧ Direction
S‧‧‧加熱媒體 S‧‧‧heating media
STD‧‧‧橫式旋轉式乾燥機 STD‧‧‧ horizontal rotary dryer
U1‧‧‧送出通路 U1‧‧‧Send access
U2‧‧‧氣體通路 U2‧‧‧ gas path
W‧‧‧被處理物 W‧‧‧Processed objects
圖1係本發明之橫式旋轉式乾燥機例之立體圖。 BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing an example of a horizontal rotary dryer of the present invention.
圖2係本發明之橫式旋轉式乾燥機例之側視圖。 Fig. 2 is a side view showing an example of a horizontal rotary dryer of the present invention.
圖3係表示螺旋饋料器及其周邊之側視圖。 Figure 3 is a side view showing the screw feeder and its periphery.
圖4係旋轉筒之另一端側之放大圖(側視圖)。 Fig. 4 is an enlarged view (side view) of the other end side of the rotary cylinder.
圖5係本發明之橫式旋轉式乾燥機(變化例)之側視圖。 Fig. 5 is a side view showing a horizontal rotary dryer (variation) of the present invention.
圖6係圖5之X-X線剖視圖。 Figure 6 is a cross-sectional view taken along line X-X of Figure 5.
圖7係供給方式為噴射式之情形時之側視圖。 Fig. 7 is a side view showing a state in which the supply mode is a spray type.
圖8係供給方式為振動輸送槽式之情形時之側視圖。 Fig. 8 is a side view showing a state in which the supply mode is a vibration conveying groove type.
圖9係表示旋轉筒之排出側之構造例之側視圖。 Fig. 9 is a side view showing a structural example of the discharge side of the rotary cylinder.
圖10係表示橫式旋轉式乾燥機之加熱管之配置(第1配置形態)例之橫剖視圖。 Fig. 10 is a transverse cross-sectional view showing an example of arrangement (first arrangement form) of heating pipes of a horizontal rotary dryer.
圖11係表示橫式旋轉式乾燥機之加熱管之配置(第2配置形態)例之橫剖視圖。 Fig. 11 is a transverse cross-sectional view showing an example of arrangement (second arrangement form) of heating pipes of a horizontal rotary dryer.
圖12係結露之產生之說明用圖表。 Figure 12 is a graphical representation of the generation of condensation.
圖13係夾套設置例之概要圖。 Fig. 13 is a schematic view showing an example of setting of a jacket.
圖14係帶式配管之設置例之概要圖。 Fig. 14 is a schematic view showing an example of the arrangement of the belt type piping.
圖15係散熱片形成例之概要圖。 Fig. 15 is a schematic view showing an example of formation of a heat sink.
圖16(a)、(b)係固定器設置例之概要圖。 Fig. 16 (a) and (b) are schematic views showing an example of setting of a fixture.
以下，對本發明之較佳實施形態，使用圖式進一步說明。另，以下之說明及圖式不過為顯示本發明之實施形態之一例者，本發明之內容不應解釋為限定於該實施形態。 Hereinafter, preferred embodiments of the present invention will be further described using the drawings. In addition, the following description and drawings are merely illustrative of an embodiment of the present invention, and the content of the present invention should not be construed as being limited to the embodiment.
(被處理物W) (object W)
首先，作為乾燥對象物之被處理物W並無限定，作為其具體例，可例舉煤炭、銅礦石、鐵粉、鋅粉等之礦石、金屬系物質；石膏、氧化鋁、蘇打灰等無機系物質；或脫水污泥等。 First, the object to be treated W is not limited, and specific examples thereof include ores, metal materials such as coal, copper ore, iron powder, and zinc powder; gypsum, alumina, soda ash, and the like. Inorganic substances; or dewatered sludge.
然而，本發明於煤炭乾燥之情形時其效果尤為顯著。 However, the present invention is particularly effective in the case of coal drying.
(間接加熱橫式旋轉式乾燥機) (Indirect heating horizontal rotary dryer)
其次，對本發明之橫式旋轉式乾燥機(以下，亦稱為「STD(Steam Tube Dryer之簡稱)」)進行說明。如圖1及圖2所例示，該橫式 旋轉式乾燥機之構造包含圓筒狀之旋轉筒10，且以該旋轉筒10之軸心相對於水平面略微傾斜之方式設置；旋轉筒10之一端較另一端位於更高處。於旋轉筒10之下方，以支持旋轉筒10之方式設有2台支持單元20及馬達單元30，將旋轉筒10設為藉由馬達單元30繞自身之軸心自如旋轉。該旋轉筒10係朝一方向旋轉。此方向可任意決定，例如自一端側(被處理物W之供給口側)觀看另一端側(被處理物W之排出口側)，可使其沿逆時針方向(箭頭符號R方向)旋轉。 Next, the horizontal rotary dryer of the present invention (hereinafter also referred to as "STD (short for Steam Tube Dryer)" will be described. As illustrated in Figures 1 and 2, the horizontal type The configuration of the rotary dryer includes a cylindrical rotating drum 10, and is disposed in such a manner that the axis of the rotating cylinder 10 is slightly inclined with respect to the horizontal plane; one end of the rotating cylinder 10 is located higher than the other end. Two support units 20 and a motor unit 30 are provided below the rotary cylinder 10 so as to support the rotary cylinder 10, and the rotary cylinder 10 is rotatable around the axis of the motor unit 30 by itself. The rotating cylinder 10 is rotated in one direction. This direction can be arbitrarily determined. For example, the other end side (the discharge port side of the workpiece W) is viewed from the one end side (the supply port side of the workpiece W), and can be rotated in the counterclockwise direction (the arrow symbol R direction).
於旋轉筒10之內部，將金屬製管的蒸汽管(加熱管)11作為對被乾燥物W之導熱管，其沿著旋轉筒10之軸心延伸而安裝多個。該加熱管11例如以對於旋轉筒10之軸心呈同心圓之方式，於周向及徑向逐一排列複數個。該加熱管11係藉由使加熱媒體的蒸汽等於加熱管11內部流通而加溫。 Inside the rotary cylinder 10, a steam pipe (heat pipe) 11 of a metal pipe is used as a heat pipe for the object W to be dried, and a plurality of heat pipes are attached along the axis of the rotary drum 10. The heating pipe 11 is arranged in a plurality of directions in the circumferential direction and the radial direction, for example, in a concentric manner with respect to the axis of the rotary cylinder 10. The heating pipe 11 is heated by circulating the steam of the heating medium equal to the inside of the heating pipe 11.
於螺旋饋料器42附近，設有自供給口41將載體氣體A(惰性氣體)吹入至旋轉筒10內部之氣體吹入機構(未圖示)，由該氣體吹入機構吹入之載體氣體A係朝向旋轉筒10之另一端側於旋轉筒10之內部流通。 In the vicinity of the screw feeder 42, a gas blowing mechanism (not shown) for blowing a carrier gas A (inert gas) into the inside of the rotating cylinder 10 from the supply port 41 is provided, and the carrier blown by the gas blowing mechanism is provided. The gas A flows toward the inside of the rotary cylinder 10 toward the other end side of the rotary cylinder 10.
如圖2及圖4所示，於旋轉筒10之另一端側之周壁，貫通形成有複數個排出口50。排出口50沿著旋轉筒10之周向形成複數個，於圖2及圖4之例中，其以呈2行之方式相互隔開地形成。又，雖將複數個排出口50均設為相同形狀，但亦可設為不同形狀。 As shown in FIG. 2 and FIG. 4, a plurality of discharge ports 50 are formed through the peripheral wall on the other end side of the rotary cylinder 10. The discharge port 50 is formed in plural along the circumferential direction of the rotary cylinder 10. In the example of Figs. 2 and 4, it is formed to be spaced apart from each other in two rows. Further, although the plurality of discharge ports 50 are all formed in the same shape, they may be formed in different shapes.
又，如圖1所明示，處理物E期望透過覆蓋排出口50群而於下方具有排出口之罩(hood)35朝下方排出。 Moreover, as shown in FIG. 1, the processed material E is intended to be discharged downward through a hood 35 that covers the group of discharge ports 50 and has a discharge port below.
又，於旋轉筒10之另一端側，設有於蒸汽管11內供給蒸汽之蒸汽供給管70與排液管71。 Further, on the other end side of the rotary cylinder 10, a steam supply pipe 70 and a drain pipe 71 for supplying steam in the steam pipe 11 are provided.
另，亦可於上述旋轉筒10之另一端側內部，設置攪拌被處理物W之攪拌機構(詳細構造並未圖示)。 Further, a stirring mechanism for stirring the workpiece W may be provided inside the other end side of the rotary cylinder 10 (the detailed structure is not shown).
又，如圖5及圖6所示，亦可於旋轉筒10，以覆蓋具有複數個排 出口50之另一端側之方式，設置可排出被處理物W及載體氣體A之分級罩55。該分級罩55例如由厚壁之金屬形成，於底面分別具有排出經乾燥及分級之被處理物W之乾燥物亦即處理物E之固定排出口57、及於頂板具有排出載體氣體A之固定排氣口56。 Moreover, as shown in FIG. 5 and FIG. 6, the rotating cylinder 10 can also be covered to cover a plurality of rows. On the other end side of the outlet 50, a classifying cover 55 capable of discharging the workpiece W and the carrier gas A is provided. The classifying cover 55 is formed, for example, of a thick-walled metal, and has a fixed discharge port 57 for discharging the dried and classified processed material W, that is, a processed material E on the bottom surface, and a fixed carrier gas A for discharging the carrier gas on the top plate. Exhaust port 56.
(乾燥過程) (drying process)
其次，一面參照圖1至圖4，一面說明以橫式旋轉式乾燥機乾燥被處理物W之過程。 Next, a process of drying the workpiece W by a horizontal rotary dryer will be described with reference to Figs. 1 to 4 .
被處理物W自供給口41被供給至螺旋饋料器42內，並藉由未圖示之驅動機構使設置於該螺旋饋料器42內部之螺旋迴轉，而被供給至旋轉筒10之內部。自供給口41供給之被處理物W與藉蒸汽加熱之加熱管11,11…接觸，一面被乾燥，一面向旋轉筒10之另一端側移動，並經由排出口50自罩35作為處理物E而排出。 The workpiece W is supplied from the supply port 41 to the screw feeder 42, and is supplied to the inside of the rotary drum 10 by a screw mechanism provided inside the screw feeder 42 by a drive mechanism (not shown). . The workpiece W supplied from the supply port 41 is in contact with the heating tubes 11, 11 which are heated by the steam, and is dried while being moved toward the other end side of the rotary cylinder 10, and is handled as a treatment E from the cover 35 via the discharge port 50. And discharged.
另一方面，藉由設置於旋轉筒10之一端側之吹入機構自供給口34(圖1之例)或供給口41(圖2之例)吹入之載體氣體A係通過旋轉筒10內，並自亦位於被處理物W之排出口的排出口50，排出至旋轉筒10之外。 On the other hand, the carrier gas A blown from the supply port 34 (example of FIG. 1) or the supply port 41 (example of FIG. 2) through the blowing mechanism provided on one end side of the rotary cylinder 10 passes through the rotary cylinder 10 And the discharge port 50, which is also located at the discharge port of the workpiece W, is discharged to the outside of the rotary cylinder 10.
又，自上述蒸汽供給管70供給至加熱管11內之蒸汽係藉由使被處理物W與加熱管11接觸而熱交換，於流通於加熱管11內之過程中冷卻而成為冷凝液D，並自排液管71排出。 In addition, the steam supplied from the steam supply pipe 70 to the heating pipe 11 is heat-exchanged by bringing the workpiece W into contact with the heating pipe 11, and is cooled in the process of flowing through the heating pipe 11 to become the condensate D. And discharged from the drain 71.
(變化例) (variation)
其次，一面參照圖5及圖6，一面對使用包含攪拌機構65及分級罩55之橫式旋轉式乾燥機之情形時之動作進行說明。於該情形時，省略與上述說明重複之部分。 Next, an operation in the case of using a horizontal rotary dryer including a stirring mechanism 65 and a classifying cover 55 will be described with reference to Figs. 5 and 6 . In this case, the portions overlapping with the above description are omitted.
供給至旋轉筒10內之被處理物W若到達至攪拌機構65存在之位置，則由攪拌機構65進行攪拌，接著，如圖6所示，其被隨著旋轉筒10之旋轉而迴轉之揚料板60揚起。揚起之被處理物W當揚料板60位於 旋轉筒10之上側時，自然落下，此時被處理物W所含有之微粒子C分散於旋轉筒10內(所謂飛行動作(flight action))。 When the workpiece W supplied to the rotary cylinder 10 reaches the position where the stirring mechanism 65 exists, the stirring mechanism 65 agitates, and then, as shown in Fig. 6, it is swung by the rotation of the rotary cylinder 10. The material plate 60 is raised. The raised object W is located when the lifting plate 60 is located When the upper side of the rotary cylinder 10 is rotated, it naturally falls, and at this time, the fine particles C contained in the workpiece W are dispersed in the rotary cylinder 10 (so-called flight action).
另一方面，藉由設置於旋轉筒10之一端側之吹入機構自供給口41吹入之載體氣體A係通過旋轉筒10內，並自亦位於被處理物W之排出口的排出口50排出至旋轉筒10之外。此時，載體氣體A隨著被揚料板60分散於旋轉筒10內之微粒子C一起自排出口50排出。自排出口50排出之載體氣體A經由固定排氣口56而自分級罩55排出。 On the other hand, the carrier gas A blown from the supply port 41 by the blowing mechanism provided on one end side of the rotary cylinder 10 passes through the inside of the rotary cylinder 10, and is also disposed at the discharge port 50 of the discharge port of the workpiece W. It is discharged to the outside of the rotary cylinder 10. At this time, the carrier gas A is discharged from the discharge port 50 together with the fine particles C dispersed in the rotary cylinder 10 by the lifter plate 60. The carrier gas A discharged from the discharge port 50 is discharged from the classifying cover 55 via the fixed exhaust port 56.
被處理物W中之粒徑較大重量較重之粒子落至旋轉筒10內，並未隨載體氣體A一起，而自位於下側之排出口50自然落下。該自然落下之粒子(被處理物W)自固定排出口57作為處理物E而被排出至外部。 The particles having a larger particle diameter and a heavier weight in the workpiece W fall into the rotary cylinder 10, and do not fall along with the carrier gas A, but naturally fall from the discharge port 50 located at the lower side. The naturally falling particles (object to be treated W) are discharged to the outside as the processed material E from the fixed discharge port 57.
(被處理物之供給方式之變化例) (Example of change in the supply method of the processed object)
說明本發明之橫式旋轉式乾燥機之被處理物供給機構之變化例。 A variation of the workpiece supply mechanism of the horizontal rotary dryer of the present invention will be described.
對橫式旋轉式乾燥機供給被處理物之方式，除上述螺旋式(圖3)以外，亦可使用噴射式(圖7)或振動輸送槽式(圖8)等。噴射式成為如下構造：使供給溜槽46與吸氣盒45結合，使自供給口41供給之被處理物W落下至供給溜槽46內，並向旋轉筒10內移動。吸氣盒45藉由密封襯墊47而連接於旋轉筒10，一面維持旋轉筒10與吸氣盒45間之密封性，一面使旋轉筒10旋轉。振動輸送槽式係吸氣盒45為輸送槽(剖面形狀為凹狀)，於該吸氣盒45之下端，結合振動馬達48與彈簧49。自供給口41供給之被處理物W落至輸送槽上。又，藉由吸氣盒45因振動馬達48而振動，使被處理物W朝旋轉筒10內移動。於安裝吸氣盒45時，為易於被處理物W移動，宜使其具有朝向旋轉筒10向下之傾斜。 In addition to the above-described spiral type (Fig. 3), a spray type (Fig. 7) or a vibration transfer tank type (Fig. 8) may be used as the method of supplying the workpiece to the horizontal rotary dryer. The injection type has a structure in which the supply chute 46 is coupled to the intake box 45, and the workpiece W supplied from the supply port 41 is dropped into the supply chute 46 and moved into the rotary cylinder 10. The air suction box 45 is connected to the rotary cylinder 10 by the sealing gasket 47, and rotates the rotary cylinder 10 while maintaining the sealing property between the rotary cylinder 10 and the suction box 45. The vibrating trough type suction box 45 is a trough (a cross-sectional shape is concave), and a vibration motor 48 and a spring 49 are coupled to the lower end of the suction box 45. The workpiece W supplied from the supply port 41 falls onto the transport tank. Further, the suction box 45 is vibrated by the vibration motor 48, and the workpiece W is moved into the rotary cylinder 10. When the suction box 45 is installed, in order to facilitate the movement of the workpiece W, it is preferable to have a downward inclination toward the rotary cylinder 10.
(旋轉筒變化例) (rotation cylinder change example)
旋轉筒10之剖面形狀除後述之圓形以外，於需要時亦可設為矩形(六角形等)。若旋轉矩形之旋轉筒10，則因旋轉筒10因其角部使被 處理物W被帶起，故具有被處理物W之混合性變得良好之優點。另一方面，與圓形之情形相比，因旋轉筒10之剖面積較窄，故亦存在所配置之加熱管根數減少之缺點。 The cross-sectional shape of the rotary cylinder 10 may be a rectangular shape (hexagonal shape or the like) as needed in addition to a circular shape to be described later. If the rectangular rotating drum 10 is rotated, the rotating cylinder 10 is caused by its corner Since the processed material W is taken up, there is an advantage that the mixing property of the workpiece W is good. On the other hand, since the cross-sectional area of the rotating drum 10 is narrower than in the case of a circular shape, there is also a disadvantage that the number of the heating pipes arranged is reduced.
(處理物之排出方式之變化例) (Changes in the way in which the processed material is discharged)
作為自橫式旋轉式乾燥機排出乾燥處理物E之方式，亦可採用如圖9之形態。於該形態中，載體氣體A係自旋轉筒10內，經由間隔壁23之內側，通過殼體80而自其上部之載體氣體排出口33排出。於該載體氣體A為再利用氣體時，雖載體氣體A中含有粉塵等，但因於間隔壁23內側，亦即氣體通路U2，配置有帶式輸送器螺桿Z，故混入氣體內之粉塵等被該帶式輸送器螺桿Z捕捉。被捕捉之粉塵等在帶式輸送器螺桿Z之排送作用下向開口部21、22排送，而向殼體80內排出。所排出之粉塵等因自由落下而自殼體下方之排出口32排出。 As a method of discharging the dried processed material E from the horizontal rotary dryer, the form as shown in Fig. 9 can also be employed. In this form, the carrier gas A is discharged from the inside of the rotating cylinder 10 through the casing 80 through the inside of the partition wall 23 from the carrier gas discharge port 33 at the upper portion thereof. When the carrier gas A is a re-use gas, the carrier gas A contains dust or the like. However, since the belt conveyor screw Z is disposed inside the partition wall 23, that is, the gas passage U2, the dust in the gas is mixed. Captured by the belt conveyor screw Z. The captured dust or the like is discharged to the openings 21 and 22 by the discharge of the belt conveyor screw Z, and is discharged into the casing 80. The discharged dust or the like is discharged from the discharge port 32 below the casing due to free fall.
又，隨著旋轉筒10之旋轉，螺旋葉片24亦旋轉。因而，將被處理物W乾燥而得之乾燥處理物E，於送出通路U1內，在螺旋葉片24之排送作用下，向開口部21、22排送，並自開口部21、22排出。排出之乾燥物E因自身重量而自殼體下方之排出口32排出。 Further, as the rotary cylinder 10 rotates, the spiral blade 24 also rotates. Therefore, the dried processed material E obtained by drying the workpiece W is discharged into the openings 21 and 22 in the delivery path U1 by the spiral blade 24, and is discharged from the openings 21 and 22. The discharged dry matter E is discharged from the discharge port 32 below the casing due to its own weight.
另一方面，貫通殼體80而朝間隔壁23內延伸之蒸汽路徑(內部蒸汽供給管61及內部排液管62)係與旋轉筒10設為一體。內部蒸汽供給管61連通於端板部17之加熱管11之入口頭部，內部排液管62連通於端板部17之加熱管11之出口頭部。又，蒸汽供給管70及排液管71藉由旋轉接頭63而分別連結於內部蒸汽供給管61及內部排液管62。 On the other hand, the steam path (the internal steam supply pipe 61 and the internal drain pipe 62) that penetrates the casing 80 and extends into the partition wall 23 is integrated with the rotating drum 10. The internal steam supply pipe 61 communicates with the inlet head of the heating pipe 11 of the end plate portion 17, and the internal drain pipe 62 communicates with the outlet head of the heating pipe 11 of the end plate portion 17. Further, the steam supply pipe 70 and the drain pipe 71 are connected to the internal steam supply pipe 61 and the internal drain pipe 62 by the rotary joint 63, respectively.
(旋轉筒支持構造之變化例) (Example of variation of the support structure of the rotating drum)
此外，旋轉筒10之支持構造除於旋轉筒10之外周安裝2個環箍構件20、20之上述支持構造以外，亦可設為於設置於一端側之螺旋饋料器42與設置於另一端側之氣體管72之外周，安裝軸承(未圖示)，並支持該軸承之構造；或將上述環箍構件20與軸承組合使用之支持構造。 Further, the support structure of the rotary cylinder 10 may be provided on the one end side of the screw feeder 42 and the other end, in addition to the above-described support structure in which the two hoop members 20 and 20 are attached to the outer circumference of the rotary cylinder 10. On the outer circumference of the gas pipe 72 on the side, a bearing (not shown) is mounted and supports the structure of the bearing; or a support structure in which the above-described hoop member 20 is used in combination with a bearing.
加熱管11之根數與加熱管11之配置可適當選擇。例如，除如圖10般沿著放射半徑線之配置以外，亦可如圖11般為曲線。 The number of the heating tubes 11 and the arrangement of the heating tubes 11 can be appropriately selected. For example, in addition to the arrangement along the radial radius line as shown in FIG. 10, it may be a curve as shown in FIG.
<本發明之條件> <Conditions of the invention>
另，本發明如上述般必須滿足以下所有條件。 Further, the present invention must satisfy all of the following conditions as described above.
(1)於上述旋轉筒內使惰性之載體氣體自上述一端側朝另一端側以並流方式流通；(2)將排出乾燥物之品溫設為95℃以上；(3)將載體氣體之排出側之溫度設為95℃以上；(4)於上述另一端側，設置對於上述載體氣體之加熱機構。 (1) in the rotating drum, the inert carrier gas is flowed in parallel from the one end side toward the other end side; (2) the product temperature of the discharged dry matter is set to 95 ° C or higher; (3) the carrier gas is used. The temperature on the discharge side is set to 95 ° C or higher; and (4) the heating mechanism for the carrier gas is provided on the other end side.
此處，對於(1)之條件，以既述之形態即可滿足。 Here, the condition of (1) can be satisfied in the form described above.
另一方面，對於(2)將品溫設為95℃以上之條件及(3)將載體氣體之排出側之溫度設為95℃以上之條件，除規定流通於加熱管內之加熱媒體之溫度以外，亦對旋轉速度與加熱管之配置等予以選擇。 On the other hand, (2) the condition that the product temperature is 95 ° C or higher and (3) the temperature at the discharge side of the carrier gas is 95 ° C or higher, except for the temperature of the heating medium that is circulated in the heating tube. In addition, the rotation speed and the arrangement of the heating pipes are also selected.
但，用以滿足條件(2)及(3)之重要要素係載體氣體之溫度及通過旋轉筒內之載體氣體之風量。 However, the important factors for satisfying the conditions (2) and (3) are the temperature of the carrier gas and the amount of air passing through the carrier gas in the rotating cylinder.
然而，因大多數情形下僅該等要素並不足夠，故設置對於載體氣體之加熱機構。 However, since in most cases only these elements are not sufficient, a heating mechanism for the carrier gas is provided.
作為其之一例，如圖13所示，期望於旋轉筒10之另一端側設置包圍其之夾套12，使加熱媒體S於旋轉筒10之外壁面與夾套12之內壁之間流通，並亦自旋轉筒10之外側進行加熱。 As an example thereof, as shown in FIG. 13, it is desirable to provide a jacket 12 surrounding the other end side of the rotary cylinder 10 so that the heating medium S circulates between the outer wall surface of the rotary cylinder 10 and the inner wall of the jacket 12. It is also heated from the outside of the rotating cylinder 10.
其結果，與未設置夾套12之情形相比，除可提高被處理物W之乾燥速度以外，亦適用於提高另一端側(排出側)處之載體氣體A之溫度而防止結露。 As a result, in addition to the case where the jacket 12 is not provided, the drying speed of the workpiece W can be increased, and the temperature of the carrier gas A at the other end side (discharge side) can be increased to prevent dew condensation.
作為該加熱媒體S之例，可舉出95℃以上(較佳為99℃以上)~200℃之蒸汽，或工廠(尤其煉鐵廠)之廢氣等。 Examples of the heating medium S include steam at 95 ° C or higher (preferably 99 ° C or higher) to 200 ° C, or exhaust gas from a factory (especially an ironworks).
此外，替代上述夾套12，而如圖14所示以包圍旋轉筒10之方式 設置複數個熱媒加熱配管12A之形態亦較為理想。 Further, instead of the above-described jacket 12, as shown in FIG. 14, the manner of surrounding the rotary cylinder 10 is included. It is also preferable to provide a plurality of heat medium heating pipes 12A.
此處，可規定通過排出口之溫度為「排出乾燥物之品溫」，但通常亦可將罩35之出口溫度作為指標。 Here, the temperature passing through the discharge port may be defined as "the temperature of the discharged dry matter", but the outlet temperature of the cover 35 may be generally used as an index.
另一方面，作為「載體氣體之排出側之溫度」，現實上係以排出口之出口溫度作為指標。 On the other hand, as the "temperature of the discharge side of the carrier gas", the outlet temperature of the discharge port is actually used as an index.
又，如圖15所示，於加熱管11之排出側設置散熱片12B，使其成為有效提高載體氣體及被處理物之接觸率、及有效提高排出乾燥物之品溫及載體氣體之排出側之溫度之加熱機構。 Further, as shown in Fig. 15, the fins 12B are provided on the discharge side of the heating pipe 11, so that the contact ratio of the carrier gas and the workpiece is effectively increased, and the product temperature of the discharged dry matter and the discharge side of the carrier gas are effectively increased. The heating mechanism of the temperature.
另一方面，為調節排出側之滯留，減低填充率，可如圖16所示設置固定器13。固定器13之高度只要適當選擇即可。 On the other hand, in order to adjust the retention of the discharge side and reduce the filling rate, the holder 13 can be provided as shown in FIG. The height of the holder 13 can be appropriately selected.
藉由設置固定器13，因於較其為下游側停滯較少地進行排出，故可減少「排出乾燥物」之填充率，提高排出乾燥物之品溫及載體氣體之排出側之溫度。 By providing the holder 13, since the discharge is less likely to be stopped on the downstream side, the filling rate of the "discharged dry matter" can be reduced, and the temperature of the discharged dry matter and the temperature of the discharge side of the carrier gas can be increased.
另，若著眼於某種煤炭之情形時之乾燥變化圖表即圖12，則氣體露點於載體氣體量較多與載體氣體較少之情形時有所不同。又，若品溫低於氣體露點，則會於圖示之「結露區域」產生結露。因此，可推測，若如圖示般提高載體氣體溫度及品溫，則可謀求防止結露。 In addition, if the graph of the dryness change in the case of a certain kind of coal is shown in Fig. 12, the gas dew point is different when the amount of the carrier gas is larger than that of the carrier gas. Also, if the product temperature is lower than the gas dew point, condensation will form in the "condensation area" shown in the figure. Therefore, it is estimated that dew condensation can be prevented by increasing the carrier gas temperature and the product temperature as shown.
(比較例) (Comparative example)
於某種煤炭之情形時，如圖12所示，於恆率~減率區域，品溫約為80℃~90℃左右，氣體溫度及氣體露點亦為相同之溫度區域進行操作之情形時，例如於以100wetT/h供給，使水分自10wt%至5wt%為止以並流方式乾燥時，防止結露所需之排氣量於包含蒸發水量約為250m3/min，於排氣處理中，吸塵機之過濾面積須約為250m2、排氣風扇須約為45kW。 In the case of a certain coal, as shown in Fig. 12, in the case of constant rate to reduction rate, when the product temperature is about 80 ° C to 90 ° C, and the gas temperature and gas dew point are also operated in the same temperature region, For example, when it is supplied at 100 wetT/h and the water is dried in a cocurrent manner from 10% by weight to 5% by weight, the amount of exhaust gas required for preventing dew condensation is about 250 m 3 /min in the amount of evaporated water, and is vacuumed in the exhaust treatment. The filter area of the machine must be approximately 250m 2 and the exhaust fan must be approximately 45kW.
(實施例) (Example)
相對於此，已知，於本發明之條件下，載體氣體量為比較例之 約20%即足夠。 In contrast, it is known that under the conditions of the present invention, the amount of carrier gas is a comparative example. About 20% is enough.
又，考慮到粉塵***或起火之危險性，於大多數情形下乾燥品係經熱成形。於該情形下，雖有必要使品溫升溫至約100℃~150℃，但於實施例中，因已提高乾燥製品之品溫，故亦發現適用於熱成形之優點。 Also, in view of the danger of dust explosion or fire, in most cases the dried product is thermoformed. In this case, although it is necessary to raise the temperature of the product to about 100 ° C to 150 ° C, in the examples, since the product temperature of the dried product has been increased, the advantage of being suitable for thermoforming has also been found.
10‧‧‧旋轉筒 10‧‧‧Rotating cylinder
11‧‧‧加熱管 11‧‧‧heat pipe
20‧‧‧支持單元 20‧‧‧Support unit
30‧‧‧馬達單元 30‧‧‧Motor unit
32‧‧‧排出口 32‧‧‧Export
33‧‧‧載體氣體排出口 33‧‧‧Carrier gas discharge
34‧‧‧供給口 34‧‧‧ supply port
35‧‧‧罩 35‧‧ hood
41‧‧‧供給口 41‧‧‧ supply port
42‧‧‧螺旋饋料器 42‧‧‧Spiral feeder
70‧‧‧蒸汽供給管 70‧‧‧Steam supply tube
71‧‧‧排液管 71‧‧‧Draining tube
A‧‧‧載體氣體 A‧‧‧ carrier gas
E‧‧‧處理物 E‧‧‧Processing
W‧‧‧被處理物 W‧‧‧Processed objects
Claims (7)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015080687A JP5946076B1 (en) | 2015-04-10 | 2015-04-10 | Drying method and drying system using horizontal rotary dryer |
| JP2015-080687 | 2015-04-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201636556A true TW201636556A (en) | 2016-10-16 |
| TWI660148B TWI660148B (en) | 2019-05-21 |
Family
ID=56289234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW104130641A TWI660148B (en) | 2015-04-10 | 2015-09-16 | Drying method and drying system using horizontal rotary dryer |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5946076B1 (en) |
| KR (1) | KR102384141B1 (en) |
| TW (1) | TWI660148B (en) |
| WO (1) | WO2016163044A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6856832B2 (en) * | 2016-12-02 | 2021-04-14 | 株式会社大川原製作所 | Dryer |
| JP6732288B2 (en) * | 2017-05-10 | 2020-07-29 | 株式会社西村鐵工所 | Drying apparatus and drying method |
| KR102347901B1 (en) | 2017-10-17 | 2022-01-06 | 주식회사 엘지에너지솔루션 | Pouch-Type Battery Case Having Structure to Prevent Crack and Method for Preparing the Same |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6023273B2 (en) * | 1980-10-06 | 1985-06-06 | 株式会社クボタ | rotary dryer |
| JPS58129183A (en) * | 1982-01-29 | 1983-08-02 | 木村 和則 | Regulator for quantity of retention of rotary drier with indirect heating pipe |
| JPS6127483A (en) * | 1984-07-16 | 1986-02-06 | 月島機械株式会社 | Rotary drier using heat transfer plate through which heating medium pass |
| US5069801A (en) * | 1990-02-26 | 1991-12-03 | Bio Gro Systems, Incorporated | Indirect heat drying and simultaneous pelletization of sludge |
| JPH0827137B2 (en) * | 1991-12-11 | 1996-03-21 | 川崎重工業株式会社 | Dryer |
| JP2515070Y2 (en) * | 1993-01-18 | 1996-10-23 | 川崎重工業株式会社 | Call in tube dryer |
| JP4635296B2 (en) * | 2000-05-26 | 2011-02-23 | 三菱瓦斯化学株式会社 | Process for producing polyphenylene ether |
| JP3949527B2 (en) * | 2002-07-10 | 2007-07-25 | 月島機械株式会社 | Drying apparatus and drying method |
| JP3924680B2 (en) * | 2002-12-17 | 2007-06-06 | 三菱マテリアルテクノ株式会社 | Concentrator |
| JP4979538B2 (en) * | 2007-10-16 | 2012-07-18 | 株式会社神戸製鋼所 | Indirect heating and drying apparatus, indirect heating and drying method for object to be dried, and method and apparatus for producing solid fuel |
| JP5491370B2 (en) * | 2010-11-30 | 2014-05-14 | 月島機械株式会社 | Indirect heating type rotary dryer |
| JP5794726B2 (en) * | 2011-02-14 | 2015-10-14 | 月島機械株式会社 | Coal boiler equipment and operation method of coal boiler equipment |
-
2015
- 2015-04-10 JP JP2015080687A patent/JP5946076B1/en active Active
- 2015-09-16 TW TW104130641A patent/TWI660148B/en active
- 2015-09-18 WO PCT/JP2015/076768 patent/WO2016163044A1/en active Application Filing
- 2015-09-18 KR KR1020177006957A patent/KR102384141B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| KR102384141B1 (en) | 2022-04-07 |
| TWI660148B (en) | 2019-05-21 |
| KR20170134306A (en) | 2017-12-06 |
| JP2016200329A (en) | 2016-12-01 |
| JP5946076B1 (en) | 2016-07-05 |
| WO2016163044A1 (en) | 2016-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI683082B (en) | Processed object drying method and horizontal rotary dryer | |
| US9683779B2 (en) | Indirectly heated rotary dryer | |
| CN104677054B (en) | It is inverted the low temperature fluidized bed drying equipment of microwave | |
| US3765102A (en) | Rotary apparatus for treating particulate material | |
| TWI660148B (en) | Drying method and drying system using horizontal rotary dryer | |
| KR20210038890A (en) | Drying apparatus for wet matrices and relative drying method of wet matrices | |
| JP6565097B2 (en) | Organic waste processing apparatus and processing method | |
| RU2749019C1 (en) | Multi-tube rotary heat exchanger | |
| JP6678263B2 (en) | Organic waste treatment apparatus and treatment method | |
| KR101541039B1 (en) | Screw Transfer Type Hot Air Drying Equipment | |
| JP2017006824A5 (en) | ||
| US11221180B2 (en) | Systems and methods related to staged drying of temperature sensitive materials | |
| JP2010214319A (en) | Apparatus and method of drying water-containing organic sludge | |
| CN1619242A (en) | Device for processing biomass and method applied thereby | |
| JP2009281671A (en) | Drying method and dryer assembly for granular material | |
| US4523906A (en) | Device for drying gypsum | |
| JP5746391B1 (en) | Horizontal rotary dryer | |
| RU49200U1 (en) | GRAIN DRYER | |
| JP6376689B2 (en) | Heat treatment apparatus and treatment method for powder | |
| JPWO2019053855A1 (en) | Organic waste treatment equipment and treatment method | |
| RU2763340C1 (en) | Apparatus for dehumidifying bulk substances | |
| JP6452144B2 (en) | Powder processing equipment | |
| CN205505654U (en) | Energy -efficient chemical industry pastel drying equipment | |
| CN218435498U (en) | Air distribution plate structure and sludge fluidized bed drying machine using same | |
| JP6695210B2 (en) | Dryer in feeder |