WO2015083509A1 - 石炭不活性化処理装置 - Google Patents
石炭不活性化処理装置 Download PDFInfo
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- WO2015083509A1 WO2015083509A1 PCT/JP2014/079916 JP2014079916W WO2015083509A1 WO 2015083509 A1 WO2015083509 A1 WO 2015083509A1 JP 2014079916 W JP2014079916 W JP 2014079916W WO 2015083509 A1 WO2015083509 A1 WO 2015083509A1
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- coal
- feed pipe
- blades
- rotary kiln
- pair
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/04—Raw material of mineral origin to be used; Pretreatment thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/38—Arrangements of cooling devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/08—Treating solid fuels to improve their combustion by heat treatments, e.g. calcining
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/10—Treating solid fuels to improve their combustion by using additives
- C10L9/12—Oxidation means, e.g. oxygen-generating compounds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/33—Arrangement of devices for discharging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/36—Arrangements of air or gas supply devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/06—Heat exchange, direct or indirect
Definitions
- the present invention relates to a coal deactivation treatment apparatus that performs deactivation treatment of coal with a treatment gas containing oxygen.
- a rotary kiln to which the carbonized coal and the processing gas are supplied is provided, and is arranged adjacent to the circumferential direction in the rotary kiln.
- Coal deactivation processing apparatuses having a plurality of distribution pipes in circulation have been studied.
- the above-described coal deactivation processing apparatus is configured to agitate coal by rotating the rotary kiln body while cooling the coal with cooling water flowing through the feed pipe by rotating the rotary kiln and the plurality of feed pipes.
- a plurality of supply pipes pass through the coal bed in which the coal is deposited in the rotary kiln, and the coal is agitated by lifting the coal upward from the coal bed surface and dropping from the upper side to the coal bed surface. In this way, the coal is inactivated by the processing gas.
- the coal deactivation treatment apparatus is required to perform the deactivation treatment of the coal more efficiently.
- the present invention has been made to solve the above-described problems, and can efficiently adsorb oxygen onto the surface of coal while preventing spontaneous combustion of coal. It aims at providing the coal inactivation processing apparatus which can be performed.
- the coal inactivation processing apparatus for solving the above-described problem is a coal inactivation processing apparatus that inactivates coal with a processing gas containing oxygen, in which the coal and the processing gas are contained inside.
- a kiln main body provided rotatably and provided rotatably with the kiln main body and extending in the longitudinal direction of the kiln main body, and a feed pipe through which cooling water flows.
- a pair of blades projecting in the radial direction are provided on the outer periphery of the feed pipe, and the coal is placed in the kiln body when the feed pipe and the pair of blades are rotated. Arranged so that it passes through the deposited coal bed, and the angle formed by the tangent of the trajectory passing through the central axis of the feed pipe and the bisector of the pair of blades is 0 degrees to 40 degrees It is characterized by that.
- the coal inactivation processing apparatus according to the second invention for solving the above-described problem is the coal inactivation processing apparatus according to the first invention described above, wherein the pair of blades is one of the pair of blades. And the bisector of the pair of blades is arranged so that the blade angle is larger than the repose angle.
- a coal deactivation processing apparatus for solving the above-described problem is the coal deactivation processing apparatus according to the second invention described above, wherein the blade angle is 45 degrees to 85 degrees. It is characterized by.
- a coal inactivation processing apparatus for solving the above-described problem is the coal inactivation processing apparatus according to any one of the first to third inventions described above, wherein The minimum length in the radial direction of the feed pipe is 5% to 45% of the radius of the feed pipe.
- the feed pipe and the pair of blades are disposed so as to pass through a coal layer in which coal is deposited in the kiln body when the kiln body rotates.
- the angle between the tangent of the trajectory passing through the central axis of the feed pipe and the bisector of the pair of blades is set to 0 degrees to 40 degrees, so that the coal is fed by the cooling water flowing through the feed pipe.
- the coal is agitated by rotation of the kiln body, and a predetermined amount of coal is lifted above the surface of the coal layer in the kiln body by the feed pipe and a pair of blades and dropped from above to stir the coal.
- the coal and the processing gas can be efficiently contacted.
- suction of oxygen to the surface of coal can be performed efficiently, aiming at prevention of spontaneous combustion of coal. Therefore, the overall length of the kiln main body can be shortened compared with the case where the blades are not provided in the feed pipe, and the apparatus can be downsized.
- a coal deactivation treatment apparatus 100 that deactivates dry-distilled coal 1 has a hopper 101 that receives dry-distilled coal 1, and a base end side that communicates with a delivery port of the hopper 101. And a screw feeder 102 that is a rotary conveying means that rotates and conveys the coal 1 in the hopper 101 from one end side (base end side) to the other end side (tip end side).
- the distal end side of the screw feeder 102 communicates with the proximal end side of a cylindrical rotary kiln main body (kiln main body) 103.
- the base end side of the rotary kiln main body 103 is in communication with the base end side casing 111 via the sealing device 108.
- a gas receiving port 111 a for introducing the processing gas 13 is provided at the upper part of the base end side casing 111.
- the gas inlet 111a is connected to the distal end side of the processing gas supply pipe 121 that supplies the processing gas 13.
- a blower 127 and a heating device 128 are provided in the middle of the processing gas supply pipe 121.
- the distal end side of the air supply pipe 122 that supplies the air 11 and the distal end side of the nitrogen supply pipe 123 that supplies the nitrogen gas 12 are connected to the proximal end side of the processing gas supply pipe 121.
- the base end side of the air supply pipe 122 is open to the atmosphere.
- the base end side of the nitrogen supply pipe 123 is connected to a nitrogen supply source 124 such as a nitrogen gas tank.
- flow control valves 125 and 126 are provided, respectively.
- the distal end side of the rotary kiln main body 103 communicates with the distal end side casing 112 via seal devices 109a and 109b.
- a gas discharge port 112 a for discharging the used processing gas 14 is provided in the upper part of the front end side casing 112.
- the base end side of the processing gas discharge pipe 131 that discharges the used processing gas 14 is connected to the gas discharge port 112a.
- a temperature sensor 131 a is provided in the middle of the processing gas discharge pipe 131.
- a shooter 112b that drops and discharges the deactivated coal (modified coal) 3 is provided at the lower portion of the front end side casing 112.
- An annular ridge 104 is provided on the distal end side and the proximal end side of the outer peripheral portion of the rotary kiln main body 103, and the ridge 104 is supported by a roller 105.
- a gear 106 that meshes with the gear 107 a of the driving electric motor 107 is provided on the outer peripheral portion of the rotary kiln main body 103. Therefore, when the gear 107a of the driving motor 107 is rotated, the rotary kiln main body 103 is rotated.
- the coal inactivation processing apparatus 100 described above further includes a cooling device 140.
- the cooling device 140 includes a bearing 145 fixed to the side wall portion 103 a on the distal end side of the rotary kiln main body 103.
- the cooling device 140 includes a cooling water supply header 141 that is provided on the bearing 145 and to which the cooling water 21 is supplied from outside the system.
- a plurality of, for example, eight (see FIG. 2) feed pipes 142 (for example, double pipes) for feeding the coolant 21 are connected to the coolant feed header 141.
- the cooling device 140 includes a cooling water discharge header 146 that discharges the used cooling water 22 circulated through the supply pipe 142 to the outside of the system.
- the plurality of feed pipes 142 are arranged in the rotary kiln main body 103 adjacent to each other at equal intervals in the circumferential direction of the rotary kiln main body 103.
- the plurality of feed pipes 142 is a coal layer formed by depositing coal 2 even when the filling rate of coal 2 into the rotary kiln body 103 is, for example, 10% to 15% when the rotary kiln body 103 rotates. It arrange
- the plurality of feed pipes 142 extend in the rotary kiln main body 103 in parallel to the central axis C1 of the rotary kiln main body 103, and extend from the distal end side to the proximal end side of the rotary kiln main body 103. .
- the temperature is adjusted so that the coal 2 does not spontaneously ignite by the cooling water 21 flowing in the feed pipe 142. Is done.
- the plurality of feed pipes 142 are disposed so as to penetrate the side wall 103a of the rotary kiln main body 103.
- the plurality of feed pipes 142 are supported by support tools (not shown) arranged at a plurality of locations in the longitudinal direction. As a result, the plurality of feed pipes 142 rotate together with the rotary kiln main body 103 as the rotary kiln main body 103 rotates.
- A indicates the rotational direction of the rotary kiln body 103.
- L1 indicates a trajectory through which the central axis C2 of the plurality of supply pipes 142 passes, and L2 indicates a tangent to the trajectory L1.
- ⁇ represents an acute angle formed by the tangent L2 and a bisector L3 described later.
- L3 indicates a bisector of a pair of blades 143 and 144 described later.
- L4 has shown the symmetrical line of the coal bed surface 2a.
- L11 indicates an auxiliary line passing through the contact point P1 between the feed pipe 142 and the coal bed surface 2a and the contact point P2 of the left-right symmetric line L4 between the feed pipe 142 and the coal bed surface 2a.
- L12 and L13 indicate auxiliary lines passing through the central axis C2 of the feed pipe 142 and the contacts P1 and P2, respectively.
- L21 and L22 indicate auxiliary lines passing through the blades 144 and 143 and the central axis C2 of the feed pipe 142, respectively.
- ⁇ is an acute angle formed by the bisector L3 and the auxiliary line L21 (extension line of the blade 144), and indicates a blade angle, and ⁇ indicates an acute angle formed by the bisector L3 and the auxiliary line L12.
- ⁇ represents the angle of repose.
- the auxiliary lines L11, L12, and L13 form an isosceles triangle having the central axis C2 as an apex, and the auxiliary line L12 and the coal bed surface layer 2a form a right angle. Therefore, the angle ⁇ is the same as the angle of repose ⁇ . It becomes.
- the radial cross section of the feed pipe 142 is a perfect circle.
- a pair of blades 143 and 144 projecting in the radial direction of the feed pipe 142 are provided on the outer periphery of the feed pipe 142.
- the pair of blades 143 and 144 may have a filling rate of coal 2 in the rotary kiln body 103 of, for example, 10% to 15% when the rotary kiln body 103 rotates. It arrange
- the feed pipe 142 and the pair of blades 143 and 144 provided in the feed pipe 142 are arranged so that the angle ⁇ is 0 to 40 degrees.
- the feeding pipe 142 and the pair of blades 143 and 144 provided in the feeding pipe 142 are preferably arranged so that the angle ⁇ is equal to the angle of repose ⁇ . This is because when the angle ⁇ is equal to the angle of repose ⁇ (see FIG. 3), the amount of coal that is lifted above the coal bed surface 2a by the feed pipe 142 and the pair of blades 143 and 144 is maximized, This is because the contact efficiency between the coal 2 and the processing gas 13 due to the angle ⁇ can be maximized.
- the pair of blades 143 and 144 are preferably arranged so that the angle (blade angle) ⁇ is larger than the repose angle ⁇ . This is because if the angle (blade angle) ⁇ is made smaller than the angle of repose, the amount of coal lifted above the coal bed surface 2a by the feed pipe 142 and the pair of blades 143 and 144 is reduced accordingly. This is because the coal 2 and the processing gas 13 cannot be efficiently contacted.
- the angle (blade angle) ⁇ is preferably 45 ° to 85 °, and more preferably 55 ° to 75 °. This is because if the angle (blade angle) ⁇ is out of the above range, the amount of coal lifted above the coal bed surface 2a by the feed pipe 142 and the pair of blades 143, 144 is reduced accordingly, It is because it becomes impossible to make 2 and the process gas 13 contact efficiently.
- the minimum length H min in the radial direction of the feed pipe 142 of the blades 143, 144 is preferably 5% to 45% of the radius of the feed pipe 142, and more preferably 10% to 35%. . This is the same as the case where the amount of coal lifted by the feed pipe 142 and the blades 143 and 144 is not provided when the minimum length H min of the blades 143 and 144 is lower than the lower limit value. This is because the amount of coal lifted above the coal bed surface 2a by the blades 143 and 144 cannot be increased, and the contact efficiency between the coal 2 and the processing gas 13 cannot be improved.
- the minimum length H min of the vane 143, 144 is above the upper limit, the amount of coal to be lifted by the feed pipe 142 and the vane 143, 144 is increased, the delivery tube 142 itself, feed pipe This is because the load related to the connection portion between the blade 142 and the blades 143 and 144 increases.
- the radius r2 of the feed pipe 142 and the distance D1 between the central axis C1 of the rotary kiln main body 103 and the central axis C2 of the feed pipe 142 are expressed by the following relational expression (1 ) Is more preferable.
- the nitrogen supply source 124, the base end side casing 111, the gas receiving port 111a, and the like constitute processing gas supply means.
- the cooling water supply header 141, the supply pipe 142, the blades 143 and 144, the bearing 145, the cooling water discharge header 146, and the like constitute the cooling device 140 that forms a cooling means.
- the ridge 104, the roller 105, the gear 106, the drive motor 107, the gear 107a, and the like constitute a rotating means.
- the hopper 101, the screw feeder 102, and the like constitute coal supply means.
- the shooter 112b and the like of the front end side casing 112 constitute coal discharging means.
- the front end side casing 112, the gas discharge port 112a, the processing gas discharge pipe 131, and the like constitute processing gas discharge means.
- Each means, the rotary kiln main body 103, the sealing devices 108, 109a, 109b, etc. constitute the coal inactivation processing device 100.
- the coal 1 When the coal 1 is supplied to the hopper 101, the coal 1 is conveyed into the rotary kiln main body 103 by the screw feeder 102.
- the air 11 and the nitrogen gas 12 are supplied to the processing gas supply pipe 121 via the air supply pipe 122 and the nitrogen supply pipe 123 by controlling the opening degree of the flow rate adjusting valves 125 and 126. Supplied.
- the air 11 and the nitrogen gas 12 are mixed to become the processing gas 13 (for example, the oxygen concentration is about 5 to 10%).
- the processing gas 13 is heated by the heating device 128 based on the temperature data of the used processing gas 14 obtained by the temperature sensor 131a, and adjusted to be 40 ° C. to 200 ° C. in the rotary kiln main body 103.
- a gas supply pipe 121 supplies the rotary kiln main body 103 through the gas receiving port 111a.
- the rotary kiln main body 103 rotates when the gear 107 a of the driving motor 107 rotates and is transmitted via the gear 106.
- the coal 2 conveyed into the rotary kiln main body 103 moves from the proximal end side to the distal end side of the rotary kiln main body 103 while being stirred.
- the coal 2 in the rotary kiln main body 103 adsorbs the oxygen of the processing gas 13 supplied into the rotary kiln main body 103.
- the inactivated coal (reformed coal) 3 is obtained by oxygen adsorption, and is carried out of the system via the shooter 112b.
- the coal 2 in the rotary kiln main body 103 generates heat by adsorbing oxygen in the processing gas 13, the coal 2 is adjusted to a temperature at which the coal 2 does not spontaneously ignite by the cooling water 21 flowing through the feed pipe 142.
- the used processing gas (about 50 ° C. to 70 ° C.) 14 used for the inactivation processing of the coal 2 in the rotary kiln main body 103 circulates in the same direction as the transport direction of the coal 2, and the rotary kiln main body 103
- the gas flows from the gas discharge port 112 a of the front end side casing 112 provided on the front end side to the process gas discharge pipe 131 and is discharged out of the system through the process gas discharge pipe 131.
- the rotary kiln main body 103 rotates with the rotary kiln main body 103 around the central axis C ⁇ b> 1 of the rotary kiln main body 103, and the rotary kiln main body 103 rotates.
- a plurality of feed pipes 142 are provided in the rotary kiln body 103 so as to pass through a coal bed formed by depositing coal 2 supplied into the main body 103, and a pair of blades 143, Since 144 is provided with the above-mentioned specifications, it further operates as follows.
- the coal 2 is fed into the feed pipe 142 and the pair of blades 143 and 144 within the rotary kiln body 103 when the rotary kiln body 103 rotates.
- the angle ⁇ formed by the tangent line L2 of the trajectory passing through the central axis C2 of the feed pipe 142 and the bisector L3 of the pair of blades 143 and 144 is 0 degrees or more while being arranged so as to pass through the coal layer that is deposited.
- the coal 2 is stirred by the rotation of the rotary kiln main body 103 while the coal 2 is cooled by the cooling water 21 flowing in the feed pipe 142, and the feed pipe 142 and the blade 143 are also stirred.
- a predetermined amount of coal 2 can be lifted above the coal bed surface 2a in the rotary kiln main body 103 and dropped from above to stir the coal 2, Charcoal 2 and the process gas 13 can be efficiently contacted.
- suction of oxygen to the surface of coal 2 can be performed efficiently, aiming at prevention of spontaneous ignition of coal 2. Therefore, the overall length of the rotary kiln main body 103 can be shortened compared with the case where the blades are not provided in the feed pipe, and the apparatus can be downsized.
- the angle of the blade angle ⁇ formed by the pair of blades 143 and 144 provided in each of the plurality of supply pipes 142 is not limited to one type, and may be a coal inactivation treatment apparatus having two or more types. It is.
- the coal inactivation processing apparatus 100 including the eight supply pipes 142 has been described.
- the number of the supply pipes is not limited to eight, and seven or less or nine or more supply pipes are used. It is also possible to provide a coal inactivation treatment apparatus.
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Abstract
Description
図2において、Aはロータリキルン本体103の回転方向を示している。L1は、複数の送給管142の中心軸C2が通る軌跡を示し、L2は、前記軌跡L1の接線を示している。γは、前記接線L2と後述する二等分線L3でなす鋭角を示している。図2および図3において、L3は、後述する一対の羽根143,144の二等分線を示している。図3において、L4は、石炭層表面2aの左右対称線を示している。L11は、送給管142と石炭層表面2aの接点P1と、送給管142と石炭層表面2aの左右対称線L4の接点P2を通る補助線を示している。L12,L13は、送給管142の中心軸C2と接点P1,P2を通る補助線をそれぞれ示している。L21,L22は、羽根144,143と送給管142の中心軸C2を通る補助線をそれぞれ示している。αは、二等分線L3と補助線L21(羽根144の延長線)でなす鋭角であり、羽根角を示し、βは二等分線L3と補助線L12とでなす鋭角を示している。θは安息角を示している。なお、補助線L11,L12,L13が中心軸C2を頂点とする二等辺三角形をなし、補助線L12と石炭層表面層2aとで直角をなすことから、角βは、安息角θと同じ大きさとなる。
なお、複数の送給管142のそれぞれに設けられた一対の羽根143,144がなす羽根角αの角度は1種類に限らず、2種類以上とした石炭不活性化処理装置とすることも可能である。
Claims (4)
- 酸素を含有する処理ガスで石炭の不活性化を行う石炭不活性化処理装置において、
前記石炭および前記処理ガスが内部に供給され、回転可能に設けられたキルン本体と、
前記キルン本体と共に回転可能に設けられると共に、前記キルン本体の長手方向に延在して設けられ、内部を冷却水が流通する送給管とを備え、
前記送給管の外周部にその径方向へ突出する羽根を一対設け、
前記送給管および前記一対の羽根を、前記キルン本体が回転したときに前記キルン本体内にて前記石炭が堆積してなる石炭層を通過するように配置すると共に、前記送給管の中心軸が通る軌跡の接線と前記一対の羽根の二等分線のなす角が0度~40度とるように配置した
ことを特徴とする石炭不活性化処理装置。 - 請求項1に記載された石炭不活性化処理装置であって、
前記一対の羽根は、前記一対の羽根の一方と前記一対の羽根の二等分線とでなす羽根角が安息角よりも大きくなるように配置される
ことを特徴とする石炭不活性化処理装置。 - 請求項2に記載された石炭不活性化処理装置であって、
前記羽根角が45度~85度である
ことを特徴とする石炭不活性化処理装置。 - 請求項1乃至請求項3の何れか一項に記載された石炭不活性化処理装置であって、
前記羽根の前記送給管の径方向の最小長さは、当該送給管の半径の5%~45%である
ことを特徴とする石炭不活性化処理装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480064760.7A CN105793658B (zh) | 2013-12-06 | 2014-11-12 | 煤去活化处理装置 |
US15/038,600 US10287523B2 (en) | 2013-12-06 | 2014-11-12 | Coal deactivation processing device |
AU2014358471A AU2014358471B2 (en) | 2013-12-06 | 2014-11-12 | Coal deactivation processing device |
DE112014005583.2T DE112014005583T5 (de) | 2013-12-06 | 2014-11-12 | Vorrichtung zur Kohledeaktivierungsverarbeitung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2013252743A JP6245743B2 (ja) | 2013-12-06 | 2013-12-06 | 石炭不活性化処理装置 |
JP2013-252743 | 2013-12-06 |
Publications (1)
Publication Number | Publication Date |
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WO2015083509A1 true WO2015083509A1 (ja) | 2015-06-11 |
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US (1) | US10287523B2 (ja) |
JP (1) | JP6245743B2 (ja) |
CN (1) | CN105793658B (ja) |
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US10703976B2 (en) * | 2015-03-09 | 2020-07-07 | Mitsubishi Heavy Industries Engineering, Ltd. | Pyrolyzed coal quencher, coal upgrade plant, and method for cooling pyrolyzed coal |
US10221070B2 (en) | 2015-03-09 | 2019-03-05 | Mitsubishi Heavy Industries Engineering, Ltd. | Coal upgrade plant and method for manufacturing upgraded coal |
US10188980B2 (en) | 2015-03-09 | 2019-01-29 | Mitsubishi Heavy Industries Engineering, Ltd. | Coal upgrade plant and method for manufacturing upgraded coal |
US10151530B2 (en) | 2015-03-09 | 2018-12-11 | Mitsubishi Heavy Industries Engineering, Ltd. | Coal upgrade plant and method for manufacturing upgraded coal |
Citations (4)
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JPH11310785A (ja) * | 1998-04-30 | 1999-11-09 | Mitsubishi Heavy Ind Ltd | 石炭改質方法及びその装置 |
JP2002130629A (ja) * | 2000-10-26 | 2002-05-09 | Chisaki:Kk | 可燃原料の横型回転加熱処理装置及び加熱処理方法 |
JP2007031275A (ja) * | 2005-07-28 | 2007-02-08 | Bluecher Gmbh | 活性炭の製造のための回転チューブ及び回転管状炉又はそれらの使用 |
JP2013189554A (ja) * | 2012-03-14 | 2013-09-26 | Mitsubishi Heavy Ind Ltd | 石炭乾留装置 |
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US3208512A (en) * | 1963-07-24 | 1965-09-28 | Dravo Corp | Heat exchanger for rotary kiln and the like |
US3765102A (en) * | 1972-09-21 | 1973-10-16 | Patterson Kelley Co | Rotary apparatus for treating particulate material |
CA1208018A (en) * | 1981-12-21 | 1986-07-22 | Donald K. Wunderlich | Method and apparatus for producing a dried coal fuel having a reduced tendency to spontaneously ignite from a low rank coal |
CA1285515C (en) * | 1985-11-20 | 1991-07-02 | Gerhard J.A. Kennepohl | Method for passivating particulate coal |
JPH0759709B2 (ja) | 1987-09-03 | 1995-06-28 | 三井鉱山株式会社 | 石炭の調湿方法 |
DE4498936C2 (de) | 1993-11-19 | 2002-10-31 | Mitsui Mining Co Ltd | Verfahren zur Herstellung von aktiviertem Koks für Prozesse zur gleichzeitigen Desulfurierung und Denitrierung |
JP5084154B2 (ja) | 2006-03-06 | 2012-11-28 | 中国電力株式会社 | 石炭ミルの火災予防方法及びその装置 |
JP5412418B2 (ja) | 2010-12-17 | 2014-02-12 | 三菱重工業株式会社 | 石炭不活化処理装置 |
JP5456073B2 (ja) * | 2012-01-06 | 2014-03-26 | 三菱重工業株式会社 | 石炭不活性化処理装置 |
CN102965173A (zh) * | 2012-11-07 | 2013-03-13 | 中国重型机械研究院股份公司 | 一种步进式褐煤改性提质系统 |
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2013
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2014
- 2014-11-12 US US15/038,600 patent/US10287523B2/en active Active
- 2014-11-12 DE DE112014005583.2T patent/DE112014005583T5/de not_active Withdrawn
- 2014-11-12 WO PCT/JP2014/079916 patent/WO2015083509A1/ja active Application Filing
- 2014-11-12 CN CN201480064760.7A patent/CN105793658B/zh not_active Expired - Fee Related
- 2014-11-12 AU AU2014358471A patent/AU2014358471B2/en not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11310785A (ja) * | 1998-04-30 | 1999-11-09 | Mitsubishi Heavy Ind Ltd | 石炭改質方法及びその装置 |
JP2002130629A (ja) * | 2000-10-26 | 2002-05-09 | Chisaki:Kk | 可燃原料の横型回転加熱処理装置及び加熱処理方法 |
JP2007031275A (ja) * | 2005-07-28 | 2007-02-08 | Bluecher Gmbh | 活性炭の製造のための回転チューブ及び回転管状炉又はそれらの使用 |
JP2013189554A (ja) * | 2012-03-14 | 2013-09-26 | Mitsubishi Heavy Ind Ltd | 石炭乾留装置 |
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DE112014005583T5 (de) | 2016-08-18 |
JP6245743B2 (ja) | 2017-12-20 |
US10287523B2 (en) | 2019-05-14 |
US20160298044A1 (en) | 2016-10-13 |
CN105793658A (zh) | 2016-07-20 |
AU2014358471A1 (en) | 2016-06-16 |
CN105793658B (zh) | 2017-06-13 |
AU2014358471B2 (en) | 2017-06-01 |
JP2015110689A (ja) | 2015-06-18 |
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