CN105793657A - Coal deactivation processing device - Google Patents
Coal deactivation processing device Download PDFInfo
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- CN105793657A CN105793657A CN201480064758.XA CN201480064758A CN105793657A CN 105793657 A CN105793657 A CN 105793657A CN 201480064758 A CN201480064758 A CN 201480064758A CN 105793657 A CN105793657 A CN 105793657A
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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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- 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
- C10L9/02—Treating solid fuels to improve their combustion by chemical means
- C10L9/06—Treating solid fuels to improve their combustion by chemical means by oxidation
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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
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/08—Treating solid fuels to improve their combustion by heat treatments, e.g. calcining
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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
- F27B7/06—Rotary-drum furnaces, i.e. horizontal or slightly inclined adapted for treating the charge in vacuum or special atmosphere
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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
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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
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/06—Heat exchange, direct or indirect
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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
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/14—Injection, e.g. in a reactor or a fuel stream during fuel production
- C10L2290/145—Injection, e.g. in a reactor or a fuel stream during fuel production of air
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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
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/56—Specific details of the apparatus for preparation or upgrading of a fuel
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Abstract
The present invention makes it possible to prevent the spontaneous combustion of coal while causing oxygen to be adsorbed to the surface of the coal in an efficient manner. A coal deactivation processing device is provided with: a rotary kiln body (103) that is capable of rotation and into which coal and a processing gas are supplied; a feed pipe (142) that is provided so as to be capable of rotating together with the rotary kiln body (103), that extends along the lengthwise direction of the rotary kiln body (103), and within which a coolant flows; and a hat (143) that is provided to the outer circumferential section of the feed pipe (142) so as to protrude toward the rotation direction of the feed pipe (142). The feed pipe (142) and the hat (143) are arranged so as to pass through a coal layer resulting from the accumulation of coal (2) within the rotary kiln body (103) when the rotary kiln body (103) rotates.
Description
Technical field
The present invention relates to a kind of coal to deactivate process device, it utilizes oxygen-containing place process gases to carry out the process of deactivating of coal.
Background technology
The caloric value of colm (low-order coal) per unit weight that the moisture such as brown coal, ub-bituminous coal is more is relatively low, by it being made dry or dry distilling its heating, and pass through its upgrading to reduce its oxidation activity in low-oxygen environment, become upgrading coal, it is possible to prevent spontaneous combustion, improves the caloric value of per unit weight.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 2007-237011 publication
Patent documentation 2: No. 95/13868 handbook of International Publication
Brief summary of the invention
The problem that invention intends to solve
Deactivate process device as the coal making above-mentioned colm dry or the dry distilling coal of dry distilling deactivates, research has device as described below: possess the rotary kiln being supplied dry distilling coal and place's process gases, and possess many feed pipes, it adjoins at its circumferencial direction in this rotary kiln, and Cooling Water circulates.
Above-mentioned coal deactivates process device by rotating back to rotary kiln and many feed pipes, utilize the cooling water of circulation in feed pipe that dry distilling coal is cooled down, dry distilling coal is stirred by the rotation simultaneously utilizing rotary kiln main body, and many feed pipes are in the coal seam that dry distilling coal is piled up in rotary kiln, this dry distilling coal is lifted to the top of coal surface, make it drop to coal surface from above, whereby dry distilling coal is stirred, the process thus dry distilling coal is deactivated by utilization place process gases.Being repeatedly performed above-mentioned stirring at above-mentioned dry distilling coal during the base end side forward end side shifting of above-mentioned rotary kiln, can there is efflorescence in above-mentioned dry distilling coal at leisure.
Deactivate in process device at above-mentioned coal, if the caliber of above-mentioned feed pipe is bigger, then corresponding to the size of this feed pipe, the dry distilling coal amount being attached on this feed pipe can increase, it is therefore possible to there is the above-mentioned excessive efflorescence of dry distilling coal, above-mentioned dry distilling coal meeting and the place's process gases being fed in rotary kiln after efflorescence are gone together, and this place's process gases is together discharged to outside system, and the output capacity of the coal after processing that causes deactivating reduces.On the other hand, if the caliber of above-mentioned feed pipe is less, then corresponding to this size, the dry distilling coal amount being attached on this feed pipe can reduce, it is therefore possible to occur the contacting efficiency of above-mentioned dry distilling coal and above-mentioned place process gases to reduce, it is impossible to be effectively taking place the process of deactivating of above-mentioned dry distilling coal.
According to this situation, the present invention forms to solve the problems referred to above exploitation, its object is to provide a kind of coal to deactivate process device, it is possible to prevent coal spontaneous combustion, and make oxygen be effectively adsorbed onto on the surface of coal.
Summary of the invention
In order to solve the problems referred to above, the coal that first invention the is relevant process device that deactivates is to utilize the coal deactivated that oxygen-containing place process gases carries out coal to deactivate process device, it is characterized in that, possesses kiln owner's body, feed pipe and jut, described kiln owner's body is set to rotatable, above-mentioned coal and above-mentioned place process gases are supplied to inside it, described feed pipe is set to rotate together with above-mentioned kiln owner's body, and the length direction at above-mentioned kiln owner's body extends, arrange, the circulation of cooling water portion in the inner, described jut is projecting towards the direction of rotation of this feed pipe at the peripheral part of above-mentioned feed pipe, in hat shape on the radial section of this feed pipe, in the way of the coal seam that above-mentioned coal is piled up in this kiln owner's body, above-mentioned feed pipe and above-mentioned jut is configured when above-mentioned kiln owner's body rotates.
In order to solve the problems referred to above, the coal that second invention is relevant deactivates and processes device is that the coal that above-mentioned first invention is correlated with deactivates process device, it is characterized in that, above-mentioned jut is in V-shape on the radial section of above-mentioned feed pipe, and the summit of above-mentioned jut is consistent with the track of above-mentioned feed pipe central shaft.
In order to solve the problems referred to above, the coal that 3rd invention is relevant deactivates and processes device is that the coal that the above-mentioned first or second invention is correlated with deactivates process device, it is characterized in that, above-mentioned jut is symmetrical shape on the face through this jut summit and above-mentioned feed pipe central shaft, two tangent lines of above-mentioned feed pipe are through the summit of above-mentioned jut, to above-mentioned two tangent lines with a formed corner in the two of this feed pipe straight lines that intersection point is connected and above-mentioned tangent line more than angle of repose.
In order to solve the problems referred to above, the coal that 4th invention is relevant deactivates and processes device is that the coal that any one invention in above-mentioned first to the 3rd invention is correlated with deactivates process device, it is characterized in that, the distance of above-mentioned jut summit and above-mentioned feed pipe central shaft is less than 2 times of above-mentioned feed pipe radius.
Invention effect
The coal being correlated with according to the present invention deactivates process device, possesses the peripheral part at feed pipe projecting towards the direction of rotation of this feed pipe, jut in hat shape, by configuring feed pipe and jut in the way of the coal seam that coal is piled up in kiln owner's body when kiln owner's body rotates, such that it is able to utilize the cooling water of circulation in feed pipe that coal is cooled down, coal is stirred by the rotation simultaneously utilizing kiln owner's body, and utilize the top of the coal surface that the coal of ormal weight is lifted in kiln owner's body by feed pipe and jut, it is made to drop from above, coal is stirred, enter and be suitable for the state that this coal contacts with place's process gases.Whereby, it is possible to prevent coal spontaneous combustion, and make oxygen be effectively adsorbed onto on the surface of coal.Furthermore, compare with the situation being not provided with jut on feed pipe, it is possible to shorten the total length of kiln owner's body, it is achieved the miniaturization of device.
Accompanying drawing explanation
Fig. 1 is that the coal that the present invention is correlated with deactivates and processes the summary pie graph of an embodiment of device.
Fig. 2 is that the II-II in Fig. 1 is to looking enlarged section.
Fig. 3 is that above-mentioned coal deactivates and processes the enlarged drawing of feed pipe that device possesses.
Detailed description of the invention
Hereinafter, illustrate that the coal that the present invention is correlated with deactivates based on accompanying drawing and process an embodiment of device, but the present invention is not limited to based on the implementation below illustrated by accompanying drawing.
Based on Fig. 1～Fig. 3, illustrate that the coal that the present invention is correlated with deactivates and process an embodiment of device.
As shown in Figure 1, the coal processed that coal 1 after dry distilling is deactivated deactivates and processes device 100 and possess the hopper 101 and feeding screw 102 that receive the coal 1 after dry distilling, the base end side of this feeding screw 102 connects, arranges the discharging opening of hopper 101, it is rotate the above-mentioned coal 1 in above-mentioned hopper 101, it is transported to from end side (base end side) the rotary conveying mechanism of another side (front).
The front of feeding screw 102 is connected to the base end side of cylindrical circular rotary kiln main body (kiln owner's body) 103.The base end side of rotary kiln main body 103 passes through sealing device 108, is connected with base end side housing 111.The gas receiving port 111a for importing place's process gases 13 it is provided with on the top of base end side housing 111.Gas receiving port 111a is connected with the front of the process feed tube 121 being used for supplying process gas 13.In the midway processing feed tube 121, it is provided with aerator 127 and heater 128.
At the base end side processing feed tube 121, it is connected to the front of air supply pipe 122 for supplying air 11 and the front of the nitrogen supply pipe 123 for the supply of nitrogen 12.The base end side of air supply pipe 122 is exposed in air.The base end side of nitrogen supply pipe 123 is connected with the nitrogen supply source 124 of similar nitrogen pot etc..In the midway of air supply pipe 122 and nitrogen supply pipe 123, it is respectively arranged with flow control valve 125,126.
Sealing device 109a, 109b are passed through in the front of rotary kiln main body 103, are connected with front housing 112.The gas discharge outlet 112a for the place's process gases 14 after discharging use it is provided with on the top of front housing 112.Gas discharge outlet 112a is connected with the base end side processing gas outlet pipe 131 of the place's process gases 14 being used for after discharging use.The midway processing gas outlet pipe 131 is provided with temperature sensor 131a.Be provided with in the bottom of front housing 112 drop for the coal (upgrading coal) 3 after processing that makes to deactivate, blowing of discharging penetrates machine 112b.
The front of rotary kiln main body 103 peripheral part and base end side are provided with ring-type projecting strip part 104, and projecting strip part 104 is supported by cylinder 105.At the peripheral part of rotary kiln main body 103, it is provided with the gear 106 being engaged of the gear 107a with drive motor 107.Whereby, being rotated by the gear 107a of drive motor 107, rotary kiln main body 103 also rotates therewith.
Above-mentioned coal deactivates and processes device 100 and then possess chiller 140.Chiller 140 possesses the bearing 145 on the side of sidewall portion 103a being fixed on rotary kiln main body 103 front.Chiller 140 possesses the cooling water charging header 141 being arranged on bearing 145, and it sends into cooling water 21 from system.Cooling water charging header 141 is connected to many, for instance 8 (with reference to Fig. 2) is for sending into the feed pipe 142 (such as two-tube) of cooling water 21.Chiller 140 possesses cooling water drainage and goes out header 146, for by feed pipe 142 circulation, use after cooling water 22 be discharged to outside system.
As shown in Figures 1 and 2, many feed pipes 142, in rotary kiln main body 103, equally spaced adjoin configuration on the circumferencial direction of rotary kiln main body 103.Many feed pipes 142 are arranged in following location, namely when rotary kiln main body 103 rotates, even if the filling rate that coal 2 is in rotary kiln main body 103 is such as 10%～15%, also can pass on the position in the coal seam that coal 2 is piled up, and distance D1 between the central shaft C1 of its central shaft C2 and rotary kiln main body 103 identical in the way of configure.In rotary kiln main body 103, the central shaft C1 of many feed pipes 142 and rotary kiln main body 103 extends parallel to, and extends to base end side from the front of rotary kiln main body 103.Whereby, utilizing the place's process gases 13 being fed within rotary kiln main body 103 to deactivate in the region processed to coal 2, utilize the cooling water 21 of circulation in feed pipe 142, be adjusted to coal 2 and the temperature of spontaneous combustion will not occur.
Many feed pipes 142 run through the side of sidewall portion 103a of rotary kiln main body 103 and configure.Many feed pipes 142 are supported by the supporter (not shown) being configured on the multiple position of its length direction.Whereby, along with the rotation of rotary kiln main body 103, many feed pipes 142 and this rotary kiln main body 103 together, rotate centered by the central shaft C1 of this rotary kiln main body 103.
Here, with reference to Fig. 2 and Fig. 3, the specification of above-mentioned feed pipe 142 is illustrated.
In fig. 2, A represents the direction of rotation of rotary kiln main body 103.L1 represents the track of the central shaft C2 through many feed pipes 142, and L2 represents the tangent line of above-mentioned track L1.In Fig. 2 and Fig. 3, L3 represents the bisector of aftermentioned jut 143.In figure 3, L4, L5 represent the tangent line of the feed pipe 142 of the summit 143c through jut 143.L11 represents the boost line of the contact P1 through feed pipe 142 and tangent line L5 and feed pipe 142 and the contact P2 of tangent line L4.L12, L13 represent the boost line of the central shaft C2 through feed pipe 142 and contact P1, P2 respectively.α is acute angle formed by bisector L3 and tangent line L5 (the inner side plane portion 143a of cap portion), represents the angle (hat shape angle) of jut, and β represents acute angle formed by bisector L3 and boost line L12.θ represents acute angle formed by tangent line L5 and boost line L11.It addition, boost line L11, L12, L13 are in the central shaft C2 isosceles triangle being summit, owing to boost line L12 and tangent line L5 is at a right angle, therefore the size of angle β is identical with angle θ.
As shown in Figures 2 and 3, feed pipe 142 is positive round on its radial section.At the peripheral part of feed pipe 142, it is provided with that the direction of rotation A towards this feed pipe 142 is prominent, jut 143 in hat shape.More specifically, jut 143 is V-shape on the radial section of feed pipe 142.The same with feed pipe 142, above-mentioned jut 143 is arranged in following location, when namely rotary kiln main body 103 rotates, even if the filling rate that coal 2 is in rotary kiln main body 103 is such as 10%～15%, also can pass on the position in the coal seam that coal 2 is piled up.
Jut 143 possesses: is positioned at the inner side plane portion 143a of the central shaft C1 side of rotary kiln main body 103, and is positioned at the medial plane portion 143b of the outer peripheral face side of rotary kiln main body 103.The front of inner side plane portion 143a and medial plane portion 143b is connected.The summit 143c of jut 143 is positioned on the position that the track of the central shaft C2 with feed pipe 142 is consistent.Whereby, compare with the situation not having hat shape jut, can reduce and utilize feed pipe 142 and jut 143 to be lifted to the coal amount above coal surface 2a, it is at the state being suitable for, can be entered by stirring coal 2 and be suitable for this coal 2 and locate the state that process gases 13 contacts, thus improving the treatment effeciency that deactivates of coal 2.
Inner side plane portion 143a and medial plane portion 143b balanced configuration on the face through the leading section 143c and central shaft C2 of jut 143.It is to say, jut 143 is the shape that face is symmetrical.Additionally, the summit 143c of the two of feed pipe 142 tangent line L4, L5 traverse juts 143, the become corner θ of straight line L11 and tangent line L5 that these two tangent lines L4, L5 are connected with intersection point P2, P1 of this feed pipe 142 is more than angle of repose.This is because, if above-mentioned corner θ is less than angle of repose, then on above-mentioned jut 143, the attachment quantitative change of coal 2 is many, can promote the efflorescence of this coal 2, and the output capacity of the coal 3 after processing that causes deactivating reduces.
Distance D2 between the leading section 143c and the central shaft C2 of feed pipe 142 of above-mentioned jut 143 is preferably less than 2 times of the radius of above-mentioned feed pipe 142, more preferably less than 1 times.This is because, if above-mentioned distance D2 is higher than above-mentioned higher limit, then the heat transfer area of the cooling water 21 in feed pipe 142 and coal 2 reduces, and rate of heat exchange reduces, and a large amount of spatial portion can be produced between rotary kiln main body 103 internal projection 143 and feed pipe 142, cause that coal treating capacity reduces.
It addition, as feed pipe 142 and jut 143, it is possible to use with coal 2, not there is reactivity and there is the material person of making of thermostability, for instance iron and steel system.
Furthermore, deactivate in process device 100 at above-mentioned coal, more preferably the distance D1 between the radius r2 of feed pipe 142 and the central shaft C1 of rotary kiln main body 103 and the central shaft C2 of feed pipe 142 meets relationship below (1).
1/50D1 < r2 < 1/10D1 ... (1)
When the radius r2 of feed pipe 142 is more than 1/10D1 (1/the 10 of D1), relative to the coal seam thickness in rotary kiln main body 103, the caliber of feed pipe 142 is excessive, and the flowing of coal 2 becomes big, therefore can promote the efflorescence of coal 2.On the other hand, the radius r2 of feed pipe 142 be 1/50D1 (1/the 50 of D1) below time, feed pipe 142 is thinner, if 2 layers of coal not being arranged a large amount of feed pipe 142, just cannot be carried out heat exchange, this not only results in equipment cost increases, and the supply hydraulic pressure to feed pipe 142 cooling water supply 21 also uprises, and can consume more power.Therefore, by meeting above-mentioned (1) formula, it is possible to suppress coal 2 efflorescence, it is suppressed that equipment cost increases and power consumption increases.
Additionally, deactivate in process device 100 at above-mentioned coal, the adjacent distance D3 between feed pipe 142,142 more preferably meets following (2) formula.
2r2 < D3 < 6r2... (2)
The adjacent distance D3 between feed pipe 142,142 be 2r2 (2 times of the radius r2 of feed pipe 142) below time, adjacent feed pipe 142,142 too close to, arch formation can be there is between adjacent feed pipe 142,142 in coal 2.On the other hand, when the adjacent distance D3 between feed pipe 142,142 is more than 6r2 (6 times of the radius r2 of feed pipe 142), cooling water 21 and the heat transfer area of coal 2 in feed pipe 142 reduce, and therefore cannot guarantee the Cooling Heat Transfer area of coal 2.Therefore, by meeting above-mentioned (2) formula, it is possible to suppress to occur between the feed pipe 142,142 adjoined arch formation, it can be ensured that utilize the cooling water 21 in feed pipe 142 that coal 2 is implemented the heat transfer area of cooling.
In present embodiment as above, the composition place process gases organization of supply such as above-mentioned process feed tube 121, above-mentioned heater 128, above-mentioned aerator 127, above-mentioned air supply pipe 122, above-mentioned flow control valve 125, above-mentioned nitrogen supply pipe 123, above-mentioned flow control valve 126, above-mentioned nitrogen supply source 124, above-mentioned base end side housing 111, above-mentioned gas receiving port 111a.Above-mentioned cooling water charging header 141, above-mentioned feed pipe 142, above-mentioned jut 143, above-mentioned bearing 145, above-mentioned cooling water drainage go out header 146 etc. and constitute the above-mentioned chiller 140 as cooling body.Above-mentioned projecting strip part 104, above-mentioned cylinder 105, said gear 106, above-mentioned drive motor 107, said gear 107a etc. constitute rotating mechanism.Above-mentioned hopper 101, above-mentioned feeding screw 102 etc. constitute coal organization of supply.The above-mentioned composition coal output mechanisms such as penetrating machine 112b that blows of above-mentioned front housing 112.The compositions such as above-mentioned front housing 112, above-mentioned gas outlet 112a, above-mentioned process gas outlet pipe 131 process gas-venting mechanism.The above-mentioned coal of composition such as above-mentioned each mechanism, above-mentioned rotary kiln main body 103, above-mentioned sealing device 108,109a, 109b deactivates and processes device 100.
Then, the main actions processing device 100 that above-mentioned coal deactivated illustrates.
After above-mentioned coal 1 being fed in hopper 101, utilize feeding screw 102, be transported in rotary kiln main body 103.On the other hand, by controlling the action of aerator 127, and control the aperture of flow control valve 125,126, thus air 11 and nitrogen 12 are passed through air supply pipe 122 and nitrogen supply pipe 123, be fed in process feed tube 121.Whereby, air 11 and nitrogen 12 mix, and become place's process gases 13 (such as, oxygen concentration is about about 5～10%).According to that obtained by temperature sensor 131a, use after the temperature data of process gases 14, utilize heater 128 heat treated gas 13, and in rotary kiln main body 103, temperature is adjusted to 40 DEG C～200 DEG C, utilization processes feed tube 121, by gas receiving port 111a, it is supplied in rotary kiln main body 103.
The gear 107a of drive motor 107 rotates, and is transmitted by gear 106, and rotary kiln main body 103 rotates with.Along with the rotation of rotary kiln main body 103, the coal 2 being transported in rotary kiln main body 103 is stirred and makes its base end side forward end side shifting from this rotary kiln main body 103.Now, the absorption of the coal 2 in rotary kiln main body 103 is fed to the oxygen of the place's process gases 13 within rotary kiln main body 103.So, by adsorbing oxygen, coal 2 becomes the coal (upgrading coal) 3 after processing that deactivates, and removes to system by blowing the machine 112b of penetrating.Although the oxygen of the coal 2 adsorption treatment gas 13 in rotary kiln main body 103 and generate heat, but the cooling water 21 of circulation can be utilized in feed pipe 142, be adjusted to coal 2 and the temperature of spontaneous combustion will not occur.
In rotary kiln main body 103 for coal 2 deactivate process, use after place's process gases (about 50 DEG C～70 DEG C) 14 along coal 2 carry direction same direction circulation, circulate from the gas discharge outlet 112a of the front housing 112 set by rotary kiln main body 103 front to processing gas outlet pipe 131, by this process gas outlet pipe 131, it is discharged to outside system.
Here, deactivate in process device 100 at above-mentioned coal, many feed pipes 142 are arranged in above-mentioned rotary kiln main body 103 as follows, namely along with the rotation of this rotary kiln main body 103, together rotate centered by the central shaft C1 of this rotary kiln main body 103 with this rotary kiln main body 103, and in the coal seam that the coal 2 being fed in this rotary kiln main body 103 is piled up, jut 143 is arranged on each feed pipe 142 by above-mentioned specification, and then carry out following action therefore,.
That is, in the present embodiment, along with the rotation of rotary kiln main body 103, many feed pipes 142, centered by the central shaft C1 of rotary kiln main body 103, rotate, move, during through coal seam, utilize feed pipe 142 and jut 143, coal 2 is lifted to the top of coal surface 2a.Now, by arranging jut 143 on feed pipe 142, it is possible to amount to be lifted to the top of above-mentioned coal surface 2a less than the coal 2 raised by the angle of repose of feed pipe 142.Whereby, by arranging jut 143, it is possible to suppress coal 2 efflorescence because the excessive agitation of coal 2 causes.
Therefore, deactivate according to the coal that present embodiment is relevant and process device 100, possesses the peripheral part at feed pipe 142 towards jut 143 projecting for the direction of rotation A of this feed pipe 142, by configuring feed pipe 142 and jut 143 in the way of the coal seam that coal 2 is piled up in rotary kiln main body 103 when rotary kiln main body 103 rotates, such that it is able to utilize the cooling water 21 of circulation in feed pipe 142 that coal 2 is cooled down, coal 2 is stirred by the rotation simultaneously utilizing rotary kiln main body 103, and utilize the top of the coal surface 2a that the coal 2 of ormal weight is lifted in rotary kiln main body 103 by feed pipe 142 and jut 143, it is made to drop from above, coal 2 is stirred, enter and be suitable for the state that this coal 2 contacts with place's process gases 13.Whereby, it is possible to prevent coal 2 spontaneous combustion, and make oxygen by the surface being effectively adsorbed onto coal 2.Furthermore, compare with the situation being not provided with hat shape jut on feed pipe, it is possible to shorten the total length of rotary kiln main body 103, it is achieved the miniaturization of device.
Other embodiments
It addition, the shape of the jut 143 being respectively provided with on many feed pipes 142 not only limit one, it is also possible to make two or more.
The coal the possessing 8 feed pipes 142 used above process device 100 that deactivates is illustrated, but the quantity of feed pipe is not limited in 8, it is also possible to makes the coal possessing less than 7 or more than 9 feed pipes and deactivates process device.
Symbol description
1,2,3 coal
11 air
12 nitrogen
13,14 place's process gases
21,22 cooling water
100 coals deactivate process device
101 hoppers
102 feeding screws
103 rotary kiln main bodys (kiln owner's body)
104 projecting strip parts
105 cylinders
106 gears
107 drive motors
107a gear
108 sealing devices
109a, 109b sealing device
111 base end side housings
111a gas receiving port
112 front housings
112a gas discharge outlet
112b blows the machine of penetrating
121 process feed tube
122 air supply pipes
123 nitrogen supply pipes
124 nitrogen supply sources
125,126 flow control valve
127 aerators
128 heaters
131 process gas outlet pipe
131a temperature sensor
140 chillers
141 cooling water charging headers
142 feed pipes
143 juts
143a inner side plane portion
143b medial plane portion
143c summit
145 bearings
146 cooling water drainages go out header
The direction of rotation of A rotary kiln main body
The central shaft of C1 rotary kiln main body
The central shaft of C2 feed pipe
Distance between D1 rotary kiln main center's axle and feed pipe central shaft
Distance between D2 jut summit and feed pipe central shaft
Distance between the feed pipe that D3 is adjacent
The track of L1 feed pipe central shaft
The tangent line of the track of L2 feed pipe central shaft
The bisector of L3 jut
L4, L5 pass the tangent line of the feed pipe on jut summit
L11 boost line
The line of L12 crossing point P1 and feed pipe central shaft C2
The line of L13 crossing point P2 and feed pipe central shaft C2
P1, P2 contact
The radius of r1 rotary kiln main body
The radius of r2 feed pipe
The angle (hat shape angle) of α jut
Angle formed by θ line L5 and line L11
Angle formed by β line L3 and line L12
Claims (4)
1. coal deactivates a process device, and it utilizes oxygen-containing place process gases to carry out deactivating of coal, it is characterised in that
Possessing: Yao Zhuti, it is set to rotatable, and above-mentioned coal and above-mentioned place process gases are supplied to inside it,
Feed pipe, it is set to rotate together with above-mentioned kiln owner's body, and extends at the length direction of above-mentioned kiln owner's body, arrange, the circulation of cooling water portion in the inner, and
Jut, it is projecting towards the direction of rotation of described feed pipe at the peripheral part of above-mentioned feed pipe, in hat shape on the radial section of described feed pipe；
In the way of the coal seam that above-mentioned coal is piled up in described kiln owner's body, above-mentioned feed pipe and above-mentioned jut is configured when above-mentioned kiln owner's body rotates.
2. coal according to claim 1 deactivates process device, it is characterised in that
Above-mentioned jut is V-shape on the radial section of above-mentioned feed pipe,
The summit of above-mentioned jut is consistent with the track of above-mentioned feed pipe central shaft.
3. coal according to claim 1 and 2 deactivates process device, it is characterised in that
Above-mentioned jut is symmetrical shape on the face through described jut summit and above-mentioned feed pipe central shaft,
Two tangent lines of above-mentioned feed pipe are through the summit of above-mentioned jut, to above-mentioned two tangent lines with a formed corner in the two of described feed pipe straight lines that intersection point is connected and above-mentioned tangent line more than angle of repose.
4. coal according to any one of claim 1 to 3 deactivates process device, it is characterised in that
The distance of above-mentioned jut summit and above-mentioned feed pipe central shaft is less than 2 times of above-mentioned feed pipe radius.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-252744 | 2013-12-06 | ||
| JP2013252744A JP6226422B2 (en) | 2013-12-06 | 2013-12-06 | Coal deactivation processing equipment |
| PCT/JP2014/079915 WO2015083508A1 (en) | 2013-12-06 | 2014-11-12 | Coal deactivation processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105793657A true CN105793657A (en) | 2016-07-20 |
| CN105793657B CN105793657B (en) | 2017-05-31 |
Family
ID=53273278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480064758.XA Expired - Fee Related CN105793657B (en) | 2013-12-06 | 2014-11-12 | Coal deactivates processing unit |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20160289582A1 (en) |
| JP (1) | JP6226422B2 (en) |
| CN (1) | CN105793657B (en) |
| AU (1) | AU2014358470B2 (en) |
| DE (1) | DE112014005551T5 (en) |
| WO (1) | WO2015083508A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108589A (en) * | 1985-11-20 | 1987-07-29 | 海湾公司加拿大分公司 | A kind of method of passivating particulate coal |
| JP2002130629A (en) * | 2000-10-26 | 2002-05-09 | Chisaki:Kk | Lateral rotary heating processing apparatus and heating processing method for combustible stock material |
| US6436158B1 (en) * | 1998-04-30 | 2002-08-20 | Mitsubishi Heavy Industries Ltd. | Coal reforming process and apparatus therefor |
| JP5084154B2 (en) * | 2006-03-06 | 2012-11-28 | 中国電力株式会社 | Coal mill fire prevention method and apparatus |
| CN103180418A (en) * | 2010-12-17 | 2013-06-26 | 三菱重工业株式会社 | Coal deactivation apparatus |
| JP2014074184A (en) * | 2014-01-27 | 2014-04-24 | Mitsubishi Heavy Ind Ltd | Coal carbonization apparatus |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP4727547B2 (en) * | 2006-10-11 | 2011-07-20 | 三井金属アクト株式会社 | Vehicle window regulator device |
| JP4757772B2 (en) * | 2006-10-30 | 2011-08-24 | 新日本製鐵株式会社 | Hat-shaped steel sheet pile with interval holding part and stacking method thereof |
| JP2010094698A (en) * | 2008-10-15 | 2010-04-30 | Toyota Motor Corp | Method of manufacturing high strength member, hot press molding die used for the method of manufacturing high strength member, and semifinished molded body in method of manufacturing high strength part |
| JP5497567B2 (en) * | 2010-07-22 | 2014-05-21 | 月島機械株式会社 | Dry classification method for workpieces |
| JP5506841B2 (en) * | 2012-03-14 | 2014-05-28 | 三菱重工業株式会社 | Coal carbonization equipment |
-
2013
- 2013-12-06 JP JP2013252744A patent/JP6226422B2/en not_active Expired - Fee Related
-
2014
- 2014-11-12 WO PCT/JP2014/079915 patent/WO2015083508A1/en active Application Filing
- 2014-11-12 AU AU2014358470A patent/AU2014358470B2/en not_active Ceased
- 2014-11-12 US US15/037,807 patent/US20160289582A1/en not_active Abandoned
- 2014-11-12 DE DE112014005551.4T patent/DE112014005551T5/en not_active Withdrawn
- 2014-11-12 CN CN201480064758.XA patent/CN105793657B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108589A (en) * | 1985-11-20 | 1987-07-29 | 海湾公司加拿大分公司 | A kind of method of passivating particulate coal |
| US6436158B1 (en) * | 1998-04-30 | 2002-08-20 | Mitsubishi Heavy Industries Ltd. | Coal reforming process and apparatus therefor |
| JP2002130629A (en) * | 2000-10-26 | 2002-05-09 | Chisaki:Kk | Lateral rotary heating processing apparatus and heating processing method for combustible stock material |
| JP5084154B2 (en) * | 2006-03-06 | 2012-11-28 | 中国電力株式会社 | Coal mill fire prevention method and apparatus |
| CN103180418A (en) * | 2010-12-17 | 2013-06-26 | 三菱重工业株式会社 | Coal deactivation apparatus |
| JP2014074184A (en) * | 2014-01-27 | 2014-04-24 | Mitsubishi Heavy Ind Ltd | Coal carbonization apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015083508A1 (en) | 2015-06-11 |
| CN105793657B (en) | 2017-05-31 |
| AU2014358470B2 (en) | 2017-03-16 |
| US20160289582A1 (en) | 2016-10-06 |
| JP2015111015A (en) | 2015-06-18 |
| AU2014358470A1 (en) | 2016-06-16 |
| JP6226422B2 (en) | 2017-11-08 |
| DE112014005551T5 (en) | 2016-09-29 |
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