CN105793657B - Coal deactivates processing unit - Google Patents
Coal deactivates processing unit Download PDFInfo
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- CN105793657B CN105793657B CN201480064758.XA CN201480064758A CN105793657B CN 105793657 B CN105793657 B CN 105793657B CN 201480064758 A CN201480064758 A CN 201480064758A CN 105793657 B CN105793657 B CN 105793657B
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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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- Geochemistry & Mineralogy (AREA)
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- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
It is an object of the invention to prevent coal spontaneous combustion, and oxygen is set effectively to be adsorbed onto on the surface of coal.Coal of the invention processing unit of deactivating possesses rotary kiln main body (103), feed pipe (142) and cap portion (143), rotary kiln main body (103) is set to rotatable, coal and processing gas are supplied to inside it, feed pipe (142) is set to be rotated together with rotary kiln main body (103), and extend in the length direction of rotary kiln main body (103), set, cooling water portion's circulation in the inner, cap portion (143) is provided projectingly in the peripheral part of feed pipe (142) towards the direction of rotation of the feed pipe (142), feed pipe (142) and cap portion (143) are configured in the way of the coal seam piled up in rotary kiln main body (103) through coal (2) when rotary kiln main body (103) rotates.
Description
Technical field
Deactivated processing unit, its treatment of deactivating that coal is carried out using oxygen-containing processing gas the present invention relates to a kind of coal.
Background technology
The caloric value of the moistures such as lignite, ub-bituminous coal more colm (low-order coal) per unit weight is relatively low, passes through
It is heated can be such that it dries or destructive distillation, and reduce its oxidation activity in low-oxygen environment by being modified to it, into
It is modification coal, spontaneous combustion can be prevented, improves the caloric value of per unit weight.
Prior art literature
Patent document
Patent document 1：Japanese Patent Laid-Open 2007-237011 publications
Patent document 2：No. 95/13868 handbook of International Publication No.
Brief summary of the invention
The problem that invention is intended to solve
Used as drying above-mentioned colm or the coal that deactivates of destructive distillation coal of destructive distillation deactivates processing unit, research has
Device as described below：Possess the rotary kiln for being supplied destructive distillation coal and processing gas, and possess many feed pipes, it is in the revolution
In the adjoining of its circumferencial direction in kiln, Cooling Water circulation.
Above-mentioned coal deactivates processing unit by rotating rotary kiln and many feed pipes, cold using what is circulated in feed pipe
But water is cooled down to destructive distillation coal, while the rotation using rotary kiln main body is stirred to destructive distillation coal, and many feed pipes
In the coal seam piled up in rotary kiln through destructive distillation coal, the destructive distillation coal is lifted to the top of coal surface, makes it from upper
Side drops to coal surface, destructive distillation coal is stirred whereby, so as to carry out treatment of deactivating to destructive distillation coal using processing gas.
Above-mentioned stirring, above-mentioned destructive distillation coal meeting is repeated during base end side forward end side shifting of the above-mentioned destructive distillation coal from above-mentioned rotary kiln
There is efflorescence at leisure.
In above-mentioned coal deactivates processing unit, if the caliber of above-mentioned feed pipe is larger, corresponding to the feed pipe
Size, the destructive distillation coal amount being attached on the feed pipe can increase, it is therefore possible to there is the excessive efflorescence of above-mentioned destructive distillation coal, after efflorescence
Above-mentioned destructive distillation coal meeting and the processing gas that are fed in rotary kiln go together, and the processing gas are together discharged to outside system,
The output capacity reduction of the coal for causing to deactivate after treatment.On the other hand, if the caliber of above-mentioned feed pipe is smaller, corresponding to this
Size, the destructive distillation coal amount being attached on the feed pipe can be reduced, it is therefore possible to there are above-mentioned destructive distillation coal and above-mentioned processing gas
Contacting efficiency reduction, it is impossible to effectively carry out the treatment of deactivating of above-mentioned destructive distillation coal.
According to this case, the present invention is in order to the exploitation that solves the above problems is formed, its object is to provide a kind of coal
Activation treatment equipment, can prevent coal spontaneous combustion, and oxygen is effectively adsorbed onto on the surface of coal.
The content of the invention
In order to solve the above problems, the related coal of the first invention processing unit of deactivating is carried out using oxygen-containing processing gas
The coal for deactivating of coal deactivates processing unit, it is characterised in that possess kiln owner's body, feed pipe and jut, kiln owner's body
It is set to rotatable, above-mentioned coal and above-mentioned processing gas are supplied to inside it, and the feed pipe is set to can be with above-mentioned kiln
Main body is rotated together with, and in length direction extension, the setting of above-mentioned kiln owner's body, cooling water portion's circulation, the projection in the inner
Portion is provided projectingly in the peripheral part of above-mentioned feed pipe towards the direction of rotation of the feed pipe, is on the radial section of the feed pipe
Above-mentioned charging is configured in the way of hat shape, the coal seam piled up in kiln owner's body through above-mentioned coal when above-mentioned kiln owner's body rotates
Pipe and above-mentioned jut.
In order to solve the above problems, the related coal of the second invention deactivate processing unit be above-mentioned first invention correlation coal
Deactivate processing unit, it is characterised in that above-mentioned jut is in V-shape, above-mentioned projection on the radial section of above-mentioned feed pipe
The summit in portion is consistent with the track of above-mentioned feed pipe central shaft.
In order to solve the above problems, the related coal of the 3rd invention processing unit of deactivating is the above-mentioned first or second invention phase
The coal of pass deactivates processing unit, it is characterised in that above-mentioned jut is through the jut summit and above-mentioned charging tube hub
Symmetrical shape on the face of axle, two tangent lines of above-mentioned feed pipe through the summit of above-mentioned jut, to above-mentioned two tangent lines and should
The connected straight line of two intersection points of feed pipe is more than angle of repose with a formed corner in above-mentioned tangent line.
In order to solve the above problems, the related coal of the 4th invention deactivates during processing unit is the above-mentioned first to the 3rd invention
The related coal of any one invention deactivate processing unit, it is characterised in that above-mentioned jut summit and above-mentioned charging tube hub
The distance of axle is less than 2 times of above-mentioned feed pipe radius.
Invention effect
Deactivated processing unit according to coal of the invention related, possess rotation of the peripheral part in feed pipe towards the feed pipe
Turning jut that direction is provided projectingly, in hat shape, being piled up in kiln owner's body through coal during by being rotated with kiln owner's body
The mode in coal seam configures feed pipe and jut, such that it is able to be cooled down to coal using the cooling water circulated in feed pipe,
Coal is stirred using the rotation of kiln owner's body simultaneously, and the coal of ormal weight is lifted to kiln owner using feed pipe and jut
The top of internal coal surface, makes it be dropped from top, and coal is stirred, and is contacted into the suitably coal and processing gas
State.Whereby, coal spontaneous combustion can be prevented, and oxygen is effectively adsorbed onto on the surface of coal.Furthermore, and be not provided with feed pipe
The situation of jut is compared, and can shorten the total length of kiln owner's body, realizes the miniaturization of device.
Brief description of the drawings
Fig. 1 be coal of the invention related deactivate processing unit an implementation method summary pie graph.
Fig. 2 is II-II in Fig. 1 to regarding enlarged section.
Fig. 3 is that above-mentioned coal deactivates the enlarged drawing of feed pipe that processing unit possesses.
Specific embodiment
Hereinafter, an implementation method of processing unit of being deactivated based on the related coal of the brief description of the drawings present invention, but the present invention
It is not limited to based on the implementation below illustrated by accompanying drawing.
Based on Fig. 1~Fig. 3, illustrate that the coal of correlation of the invention deactivates an implementation method of processing unit.
As shown in figure 1, the coal of the treatment that to the coal 1 after destructive distillation deactivate deactivates, to possess reception dry for processing unit 100
Hopper 101 is arrived in the hopper 101 and feeding screw 102 of the coal 1 after evaporating, the base end side connection of the feeding screw 102, setting
Discharging opening, is the above-mentioned coal 1 in the above-mentioned hopper 101 of rotation, and it is transported into another side (front end from a side (base end side)
Side) rotary conveying mechanism.
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.Return
The base end side of rotary kiln main body 103 is connected by sealing device 108 with cardinal extremity side body 111.In the upper of cardinal extremity side body 111
Portion is provided with the gas receiving port 111a for importing processing gas 13.Gas receiving port 111a and for supplying process gas 13
The front of processing gas supply pipe 121 be connected.In the midway of processing gas supply pipe 121, be provided with air blower 127 and
Heater 128.
In the base end side of processing gas supply pipe 121, the front end of the air supply pipe 122 for supplying air 11 is connected with
Side 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.Nitrogen
The base end side of supply pipe 123 is connected with the nitrogen supply source 124 of similar nitrogen pot etc..In air supply pipe 122 and nitrogen supply pipe
123 midway, is respectively arranged with flow control valve 125,126.
The front of rotary kiln main body 103 is connected by sealing device 109a, 109b with front end side body 112.Preceding
The top of side housing 112 is provided with the gas discharge outlet 112a for discharging the processing gas 14 after use.Gas discharge outlet
112a is connected with the base end side of the processing gas discharge pipe 131 for discharging the processing gas 14 after use.In processing gas
The midway of discharge pipe 131 is provided with temperature sensor 131a.In front end, the bottom of side body 112 is provided with for making place of deactivating
Coal (modification coal) 3 after reason drops, blowing of discharging penetrates machine 112b.
The front of the peripheral part of rotary kiln main body 103 and base end side are provided with ring-type projecting strip part 104, projecting strip part 104 by
Roller 105 is supported.In the peripheral part of rotary kiln main body 103, the tooth being engaged with the gear 107a of drive motor 107 is provided with
Wheel 106.Whereby, rotated by the gear 107a of drive motor 107, rotary kiln main body 103 is also rotated therewith.
Above-mentioned coal deactivates and processing unit 100 and then possesses cooling device 140.Cooling device 140 possesses and is fixed on revolution
Bearing 145 on the side of sidewall portion 103a of the front of kiln owner's body 103.Cooling device 140 possesses the cooling water being arranged on bearing 145
Charging header 141, it sends into cooling water 21 from outside system.Many, such as 8 (references are connected with cooling water charging header 141
Fig. 2) it is used to send into the feed pipe 142 (such as two-tube) of cooling water 21.Cooling device 140 possesses cooling water discharge header 146, uses
It is discharged to outside system in by circulated in the feed pipe 142, cooling water 22 after use.
As shown in Figures 1 and 2, many feed pipes 142 are in rotary kiln main body 103, in the circumference side of rotary kiln main body 103
Equally spaced adjacent configuration upwards.Many feed pipes 142 are configured in following location, i.e., when rotary kiln main body 103 rotates, even if
Filling rate of the coal 2 in rotary kiln main body 103 is such as 10%~15%, can also pass through the position in the coal seam of the accumulation of coal 2
Put, and the distance between central shaft C1 with central shaft C2 and rotary kiln main body 103 D1 identical modes are configured.Returning
In rotary kiln main body 103, the central shaft C1 of many feed pipes 142 and rotary kiln main body 103 is extended parallel to, from rotary kiln main body
103 front extends to base end side.Whereby, coal 2 is entered using the processing gas 13 being fed to inside rotary kiln main body 103
In the region of capable treatment of deactivating, using the cooling water 21 of the circulation in feed pipe 142, being adjusted to coal 2 will not occur spontaneous combustion
Temperature.
Many feed pipes 142 are configured through the side of sidewall portion 103a of rotary kiln main body 103.Many feed pipes 142 are by configuring
In the supporter support (not shown) on its length direction multiple position.Whereby, with the rotation of rotary kiln main body 103, many
Feed pipe 142 and the rotary kiln main body 103 together, are rotated centered on the central shaft C1 of the rotary kiln main body 103.
Here, reference picture 2 and Fig. 3, the specification to above-mentioned feed pipe 142 are illustrated.
In fig. 2, A represents the direction of rotation of rotary kiln main body 103.L1 is represented through many central shafts of feed pipe 142
The track of C2, 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
In 3, L4, L5 represent the tangent line of the feed pipe 142 through the summit 143c of jut 143.L11 is represented through the He of feed pipe 142
The contact P1 of tangent line L5 and feed pipe 142 and the boost line of the contact P2 of tangent line L4.L12, L13 are represented through feed pipe respectively
142 central shaft C2 and the boost line of contact P1, P2.α is bisector L3 and tangent line L5 (the inner side plane portion 143a of cap portion)
Formed acute angle, represents the angle (hat shape angle) of jut, and β represents bisector L3 and acute angle formed by boost line L12.θ is represented
Tangent line L5 and acute angle formed by boost line L11.In addition, boost line L11, L12, L13 are in the isosceles three with central shaft C2 as summit
Angular, because boost line L12 and tangent line L5 is at a right angle, therefore the size of angle beta is identical with angle θ.
As shown in Figures 2 and 3, feed pipe 142 is in positive round on its radial section.In the peripheral part of feed pipe 142, set
Have towards the feed pipe 142 direction of rotation A protrude, in the jut 143 of hat shape.More specifically, jut 143 is in charging
It is in V-shape on the radial section of pipe 142.As feed pipe 142, above-mentioned jut 143 is configured in following location, that is, turn round
When kiln owner's body 103 rotates, even if filling rate of the coal 2 in rotary kiln main body 103 is such as 10%~15%, coal 2 can be also passed through
On the position in coal seam piled up.
Jut 143 possesses：It is positioned at inner side plane the portion 143a, Yi Jiding of the central shaft C1 sides of rotary kiln main body 103
Medial plane portion 143b of the position in the periphery surface side of rotary kiln main body 103.Inner side plane portion 143a's and medial plane portion 143b
Front is connected.The summit 143c of jut 143 is positioned at the position consistent with the track of the central shaft C2 of feed pipe 142
On.Whereby, compared with the situation without hat shape jut, it is possible to reduce be lifted to coal seam using feed pipe 142 and jut 143
Coal amount above the 2a of surface, is at suitable state, and the suitably coal 2 and processing gas 13 can be entered by stirring coal 2
The state of contact, so as to improve the treatment effeciency that deactivates of coal 2.
Inner side plane portion 143a and medial plane portion 143b is the leading section 143c's and central shaft C2 through jut 143
Balanced configuration on face.That is, jut 143 is the symmetrical shape in face.Additionally, two tangent lines L4, L5 of feed pipe 142 wear
The summit 143c of jut 143 is crossed, the straight line L11 being connected with intersection point P2, P1 of the feed pipe 142 to two tangent lines L4, the L5
It is more than angle of repose into corner θ with tangent line L5 institutes.Because, if above-mentioned corner θ is less than angle of repose, above-mentioned jut 143
The attachment quantitative change of upper coal 2 is more, can promote the efflorescence of the coal 2, the output capacity reduction of the coal 3 after the treatment that causes to deactivate.
The distance between the leading section 143c of above-mentioned jut 143 and the central shaft C2 of feed pipe 142 D2 are preferably above-mentioned
Less than 2 times of the radius of feed pipe 142, more preferably less than 1 times.Because, if it is above-mentioned apart from D2 be higher than the above-mentioned upper limit
Value, then the heat transfer area reduction of the cooling water 21 in feed pipe 142 and coal 2, rate of heat exchange reduction, and in rotary kiln main body
A large amount of spatial portions can be produced between 103 internal projections 143 and feed pipe 142, causes the reduction of coal treating capacity.
In addition, as feed pipe 142 and jut 143, it is possible to use with coal 2 without reactivity and with heat resistance
Material winner, such as steel system.
Furthermore, in above-mentioned coal deactivates processing unit 100, the more preferably radius r2 of feed pipe 142 and rotary kiln main body
The distance between 103 central shaft C1 and the central shaft C2 of feed pipe 142 D1 meet 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 in rotary kiln main body 103
Coal seam thickness, 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, feed
The radius r2 of pipe 142 be 1/50D1 (1/the 50 of D1) below when, feed pipe 142 is relatively thin, if not to coal 2 layers set a large amount of
Feed pipe 142, cannot just carry out heat exchange, and this not only results in equipment cost increase, to the cooling water supply 21 of feed pipe 142
Supply hydraulic pressure is also uprised, and can consume more power.Therefore, by meeting above-mentioned (1) formula, the efflorescence of coal 2 can be suppressed, suppresses to set
Standby cost increases and power consumption increases.
Additionally, in above-mentioned coal deactivates processing unit 100, adjacent feed pipe 142, the distance between 142 D3 are more excellent
It is full and is enough to down (2) formula.
2r2 ＜ D3 ＜ 6r2... (2)
Adjacent feed pipe 142, the distance between 142 D3 be 2r2 (2 times of the radius r2 of feed pipe 142) below when, it is adjacent
The feed pipe 142,142 for connecing is too close to coal 2 can occur arch formation between adjacent feed pipe 142,142.The opposing party
Face, when adjacent feed pipe 142, the distance between 142 D3 are more than 6r2 (6 times of the radius r2 of feed pipe 142), feed pipe
The heat transfer area of cooling water 21 and coal 2 in 142 is reduced, therefore cannot ensure the Cooling Heat Transfer area of coal 2.Therefore, by full
Above-mentioned (2) formula of foot, can suppress that arch formation occurs between adjacent feed pipe 142,142, it can be ensured that utilize feed pipe 142
Interior cooling water 21 implements the heat transfer area of cooling to coal 2.
In present embodiment as described above, above-mentioned processing gas supply pipe 121, above-mentioned heater 128, above-mentioned drum
Blower fan 127, above-mentioned air supply pipe 122, above-mentioned flow control valve 125, above-mentioned nitrogen supply pipe 123, above-mentioned flow control valve
126th, above-mentioned nitrogen supply source 124, above-mentioned cardinal extremity side body 111, above-mentioned gas receiving port 111a etc. constitute processing gas supply machine
Structure.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 the grade of header 146 to constitute as the above-mentioned cooling device 140 of cooling body.Above-mentioned projecting strip part 104, above-mentioned roller 105, above-mentioned tooth
Wheel 106, above-mentioned drive motor 107, said gear 107a etc. constitute rotating mechanism.Above-mentioned hopper 101, the charging of above-mentioned spiral
The grade of device 102 constitutes coal organization of supply.Above-mentioned the blowing of above-mentioned front end side body 112 penetrates the composition coal output mechanism such as machine 112b.It is above-mentioned
Front end side body 112, above-mentioned gas outlet 112a, above-mentioned processing gas discharge pipe 131 etc. constitute processing gas output mechanism.
Above-mentioned each mechanism, above-mentioned rotary kiln main body 103, above-mentioned sealing device 108,109a, 109b etc. constitute above-mentioned coal and deactivate treatment
Device 100.
Then, the main actions of processing unit 100 of being deactivated to above-mentioned coal are illustrated.
After above-mentioned coal 1 is fed in hopper 101, using feeding screw 102, it is transported in rotary kiln main body 103.Separately
On the one hand, by controlling the action of air blower 127, and the aperture of flow control valve 125,126 is controlled, so as to by air 11 and nitrogen
Gas 12 is fed in processing gas supply pipe 121 by air supply pipe 122 and nitrogen supply pipe 123.Whereby, air 11 and nitrogen
Gas 12 mixes, as processing gas 13 (for example, oxygen concentration is about 5~10% or so).Obtained according to by temperature sensor 131a
, the temperature data of processing gas 14 after use, heat gas 13 using heater 128, and in rotary kiln main body
By temperature adjustment it is 40 DEG C~200 DEG C in 103, using processing gas supply pipe 121, by gas receiving port 111a, is supplied
Should arrive in rotary kiln main body 103.
The gear 107a rotations of drive motor 107, are transmitted by gear 106, and rotary kiln main body 103 is revolved therewith
Turn.With the rotation of rotary kiln main body 103, the coal 2 to being transported in rotary kiln main body 103 is stirred while making it from this time
The base end side forward end side shifting of rotary kiln main body 103.Now, the absorption of coal 2 in rotary kiln main body 103 is fed to rotary kiln main body
The oxygen of the processing gas 13 inside 103.In this way, by adsorbing oxygen, coal 2 turns into the coal (modification coal) 3 after treatment of deactivating, and leads to
Over-blowing is penetrated machine 112b and is removed to outside system.Although the oxygen of the adsorption treatment gas 13 of coal 2 in rotary kiln main body 103 and generate heat, can
So that using the cooling water 21 of the circulation in feed pipe 142, being adjusted to coal 2 will not occur the temperature of spontaneous combustion.
For treatment of deactivating, after use the processing gas (about 50 DEG C~70 DEG C) of coal 2 in rotary kiln main body 103
14 same directions for carrying direction along coal 2 circulate, the gas of the front end side body 112 set by the front of rotary kiln main body 103
Body outlet 112a circulates to processing gas discharge pipe 131, by the processing gas discharge pipe 131, is discharged to outside system.
Here, in above-mentioned coal deactivates processing unit 100, many feed pipes 142 are arranged on above-mentioned time as follows
In rotary kiln main body 103, i.e., with the rotation of the rotary kiln main body 103, and the rotary kiln main body 103 is together with the rotary kiln main body
Rotated centered on 103 central shaft C1, and in the coal seam piled up through the coal 2 being fed in the rotary kiln main body 103, dashed forward
Portion 143 is played to be arranged on each feed pipe 142 by above-mentioned specification, therefore, and then acted as follows.
I.e., in the present embodiment, with the rotation of rotary kiln main body 103, many feed pipes 142 are with rotary kiln main body
Centered on 103 central shaft C1, rotated, moved, during through coal seam, using feed pipe 142 and jut 143, coal 2 is lifted
Height arrives the top of coal surface 2a.Now, by setting jut 143 on feed pipe 142, amount can be less than and presses feed pipe
The coal 2 that 142 angle of repose is raised is lifted to the top of above-mentioned coal surface 2a.Whereby, by setting jut 143, can press down
System is because of the efflorescence of coal 2 caused by the excessive agitation of coal 2.
Therefore, deactivated processing unit 100 according to the related coal of present embodiment, possess the peripheral part in feed pipe 142
Towards the jut 143 that the direction of rotation A of the feed pipe 142 is provided projectingly, coal is passed through during by being rotated with rotary kiln main body 103
The mode in 2 coal seams piled up in rotary kiln main body 103 configures feed pipe 142 and jut 143, such that it is able to utilize
The cooling water 21 of circulation is cooled down to coal 2 in feed pipe 142, while the rotation using rotary kiln main body 103 is stirred coal 2
Mix, and the coal 2 of ormal weight is lifted to the coal surface 2a in rotary kiln main body 103 using feed pipe 142 and jut 143
Top, it is dropped from top, coal 2 is stirred, into the state that the suitably coal 2 and processing gas 13 are contacted.Whereby,
The spontaneous combustion of coal 2 can be prevented, and oxygen is effectively adsorbed onto on the surface of coal 2.Furthermore, and hat shape projection is not provided with feed pipe
The situation in portion is compared, and can shorten the total length of rotary kiln main body 103, realizes the miniaturization of device.
Other embodiment
In addition, the shape of the jut 143 being respectively provided with many feed pipes 142 and not only limit one kind, it is also possible to make
Into two or more.
The coal for possessing 8 feed pipes 142 used above processing unit 100 of deactivating is illustrated, but feed pipe number
Amount is not limited in 8, it is also possible to is made the coal for possessing less than 7 or more than 9 feed pipes and deactivates processing unit.
Symbol description
1st, 2,3 coal
11 air
12 nitrogen
13rd, 14 processing gas
21st, 22 cooling water
100 coals deactivate processing unit
101 hoppers
102 feeding screws
103 rotary kiln main bodys (kiln owner's body)
104 projecting strip parts
105 rollers
106 gears
107 drive motors
107a gears
108 sealing devices
109a, 109b sealing device
111 cardinal extremity side bodies
111a gas receiving ports
112 front end side bodies
112a gas discharge outlets
112b blows the machine of penetrating
121 processing gas supply pipes
122 air supply pipes
123 nitrogen supply pipes
124 nitrogen supply sources
125th, 126 flow control valve
127 air blowers
128 heaters
131 processing gas discharge pipes
131a temperature sensors
140 cooling devices
141 cooling waters feed header
142 feed pipes
143 juts
143a inner side planes portion
143b medial planes portion
143c summits
145 bearings
146 cooling waters discharge header
The direction of rotation of A rotary kiln main bodys
The central shaft of C1 rotary kiln main bodys
The central shaft of C2 feed pipes
The distance between D1 rotary kilns main center's axle and feed pipe central shaft
The distance between D2 juts summit and feed pipe central shaft
The distance between feed pipe of D3 adjoinings
The track of L1 feed pipe central shafts
The tangent line of the track of L2 feed pipe central shafts
The bisector of L3 juts
The tangent line of L4, L5 through the feed pipe on jut summit
L11 boost lines
The line of L12 crossing points P1 and feed pipe central shaft C2
The line of L13 crossing points P2 and feed pipe central shaft C2
P1, P2 contact
The radius of r1 rotary kiln main bodys
The radius of r2 feed pipes
The angle (hat shape angle) of α juts
θ lines L5 and angle formed by line L11
β lines L3 and angle formed by line L12
Claims (5)
1. a kind of coal deactivates processing unit, and it carries out deactivating for coal using oxygen-containing processing gas, it is characterised in that
Possess：Kiln owner's body, it is set to rotatable, and above-mentioned coal and above-mentioned processing gas are supplied to inside it,
Feed pipe, it is set to be rotated together with above-mentioned kiln owner's body, and above-mentioned kiln owner's body length direction extend set
Put, cooling water portion's circulation in the inner, and
Jut, it is provided projectingly in the peripheral part of above-mentioned feed pipe towards the direction of rotation of the feed pipe, in the charging
It is in hat shape on the radial section of pipe；
Configured in the way of the coal seam piled up in kiln owner's body through above-mentioned coal when above-mentioned kiln owner's body rotates it is above-mentioned enter
Expects pipe and above-mentioned jut.
2. coal according to claim 1 deactivates processing unit, it is characterised in that
Above-mentioned jut is in 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 processing unit, it is characterised in that
Above-mentioned jut through symmetrical shape on the face of the jut summit and above-mentioned feed pipe central shaft,
Two tangent lines of above-mentioned feed pipe through the summit of above-mentioned jut, to two of above-mentioned two tangent lines and the feed pipe
The connected straight line of intersection point is more than angle of repose with an angulation in above-mentioned tangent line.
4. coal according to claim 1 and 2 deactivates processing unit, 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.
5. coal according to claim 3 deactivates processing unit, 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 CN105793657A (en) | 2016-07-20 |
| CN105793657B true 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)
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|---|---|---|---|---|
| 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 |
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| 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 |
| AU2014358470B2 (en) | 2017-03-16 |
| US20160289582A1 (en) | 2016-10-06 |
| JP2015111015A (en) | 2015-06-18 |
| AU2014358470A1 (en) | 2016-06-16 |
| CN105793657A (en) | 2016-07-20 |
| JP6226422B2 (en) | 2017-11-08 |
| DE112014005551T5 (en) | 2016-09-29 |
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