Summary of the invention
The object of this invention is to provide a kind of harbour coal transfer method and a kind of Coal Ports, use this harbour coal transfer method can solve the problem of traditional Coal Yard pollution ambient environment.
As one aspect of the present invention, there is provided a kind of harbour coal transfer method, wherein said harbour has car dumper shed and port berth, it is characterized in that, between described car dumper shed and port berth, have the silo group comprising multiple silo, described harbour coal transfer method comprises:
Coal warehouse entry technique: the coal in car dumper shed is transported to by warehouse entry delivery system in the silo of described silo group;
Coal delivers from godown technique: be transported on the coal carrier of port berth by the delivery system that delivers from godown by the coal in described silo group.
Preferably, the silo in described silo group arranges with the form of array.
Preferably, the top of each silo has discharge port, and bottom has discharging opening, and coal is input in silo by described discharge port by described warehouse entry delivery system, described in the delivery system that delivers from godown by described discharging opening, coal is exported from silo.
Preferably, the top of each silo is provided with multiple discharge port, and described coal warehouse entry technique comprises the following steps:
Step (a): by the discharge port discharging of coal from described silo top;
Step (b): detect the material level in silo;
Step (c): when the coal height in this silo arrives the first predetermined altitude, stops to the discharge port discharging described in step (a); And
Step (d): by coal another discharge port discharging from described silo top.
Preferably, described coal warehouse entry technique is also included in the following steps that described step (d) is carried out afterwards:
Step (e): detect the material level in silo; And
Step (f): when the material level in described silo reaches the second predetermined altitude, stops carrying out discharging to this silo, then carries out discharging to another silo.
Preferably, the described coal technique that delivers from godown comprises:
Judge the time that coal of the same race stores in the silo;
Coal in the silo long by the storage time preferentially delivers from godown.
Preferably, described in the transport systems that delivers from godown comprise the belt that delivers from godown being separately positioned on and often arranging below described silo,
Described coal warehouse entry technique also comprises: different types of coal is transported to the different silos being arranged in same row;
The described coal technique that delivers from godown also comprises: be positioned at same row and the silo storing different types of coal simultaneously to the belt feed that delivers from godown described in same.
Preferably, the described coal technique that delivers from godown also comprises: the On/Off and/or the load that adjust the discharging opening of described multiple silo, to control the mixed ratio of different types of coal.
Preferably, described in the position corresponding with described discharging opening below belt of delivering from godown be provided with at least one belt conveyer scale, measured the amount of the coal on described belt feeder by this belt conveyer scale, to determine the mixed ratio of different types of coal.
Preferably, between described car dumper shed and port berth, there is stockyard, described coal warehouse entry technique also comprises the coal of car dumper shed is deposited into described stockyard by another coal conveying system, described in the technique that delivers from godown also comprise the coal in stockyard be transported on coal carrier.
Preferably, have and comprise the district that takes grain out of a granary to sun it between described car dumper shed and port berth, described harbour coal transfer method also comprises:
To take grain out of a granary to sun it technique: the coal in silo is transported to the district that takes grain out of a granary to sun it and stacks.
Preferably, technique of taking grain out of a granary to sun it described in comprises:
Step (a '): detect the environmental parameters in described silo; And
Step (b '): when described environmental parameters is greater than predetermined value, take grain out of a granary to sun it described in being transported to by the coal in described silo district.
Preferably, described environmental parameters comprises one or more in the composite concentration of combustable gas concentration, CO and hydro-carbon, alkane ratio, smokescope and temperature.
Preferably, described coal warehouse entry technique and described coal deliver from godown further comprising the steps of between technique:
Step (I): detect the temperature in described silo; And
Step (II): when the temperature in described silo and/or heating rate are greater than predetermined value, take grain out of a granary to sun it described in being transported to by the coal in described silo district.
Preferably, described step (I) comprising: arrange multiple point for measuring temperature in the silo wall bottom of described silo and bottom, detects the temperature of this silo wall bottom and bottom;
Described step (II) comprising: when the temperature that one or more point for measuring temperature detects is higher than predetermined value, control described coal feedway the coal in silo is transported to described in take grain out of a granary to sun it district.
Preferably, described silo (301) comprises multiple temperature detection district, described step (I) comprising: in described multiple temperature detection district, arrange cable for measuring temperature respectively, this cable for measuring temperature hangs down along the line of centers in described temperature detection district, detects the temperature in described temperature detection district;
Described step (II) comprising: when the temperature in one or more temperature detection district is higher than predetermined value, control described coal feedway the coal in silo is transported to described in take grain out of a granary to sun it district.
As another aspect of the present invention, a kind of Coal Ports is provided, this Coal Ports has car dumper shed and port berth, wherein, there is the silo group comprising multiple silo between described car dumper shed and port berth, the coal of described car dumper shed is transported to the warehouse entry delivery system in the silo of described silo group, and the coal in the silo of described silo group is transported to the delivery system that delivers from godown on the coal carrier of described port berth.
Preferably, the described multiple silo in described silo group arranges with the form of array.
Preferably, the top of each described silo in described silo group is equipped with discharge port, and bottom is equipped with discharging opening.
Preferably, this Coal Ports also comprises the shipment line corresponding with port berth, and the row of described silo group is equal with the quantity of described port berth, and often arranges described silo by corresponding described shipment line and described port berth one_to_one corresponding.
Preferably, described warehouse entry delivery system comprises warehouse entry belt and is connected on the dump car on this warehouse entry belt, and the top of often arranging described silo is provided with a warehouse entry belt.
Preferably, described top of often arranging described silo is provided with the gallery that the orientation along this row's silo extends, described dump car and described warehouse entry belt to be arranged on described gallery at least partially inner.
Preferably, described dump car comprises the discharge bucket with opening, in described silo group, the multiple described discharge port being positioned at the described silo of same row all along the straight-though arrangement parallel with described warehouse entry belt, to enable described discharge port corresponding with the opening of described discharge bucket.
Preferably, described dump car has symmetrically arranged two described discharge buckets, the direction that each described multiple discharge port arranging described silo in described silo group parallels with the moving direction of described dump car on edge, the top of the silo of this row is arranged as two rows, and the multiple described discharge port being positioned at the described silo of same row is aligned with each other in the direction vertical with the moving direction of described dump car.
Preferably, this Coal Ports also comprises the material-level detecting device be arranged in described silo.
Preferably, the delivery system that delivers from godown described in comprises the belt that delivers from godown being separately positioned on and often arranging bottom described silo.
Preferably, be provided with out funnel in each described silo, described in described discharging opening is arranged on, go out the bottom of funnel.
Preferably, be provided with in each described silo multiple go out funnel, be positioned at the described silo of same row multiple go out funnel all along the straight-though arrangement parallel with the described belt that delivers from godown.
Preferably, described silo each described in go out funnel described discharging opening all can open independently of each other.
Preferably, this Coal Ports also comprises discharging opening control setup, and this discharging opening control setup is arranged on described discharge outlet, to control On/Off and/or the load of described discharging opening.
Preferably, it is characterized in that, go out funnel described in the silo being positioned at same row in described silo group and be arranged as two rows along the direction parallel with the described belt that delivers from godown, and in described silo group, go out funnel described in the described silo being positioned at same row aligned with each other in the direction vertical with the moving direction of the described belt that delivers from godown, and often arrange the belt that to deliver from godown described in corresponding two of described silo.
Preferably, the position corresponding with described discharging opening below belt of delivering from godown described in is provided with at least one belt conveyer scale.
Preferably, described in the delivery system that delivers from godown also comprise feeder, this feeder is arranged on the discharging opening of this silo and describedly delivers from godown between belt.
Preferably, described Coal Ports also comprises:
Stockyard, this stockyard is arranged between described car dumper shed and port berth;
First Coal Transport device, this first Coal Transport device is used for the coal in described car dumper shed to be transported to described stockyard.
Preferably, described first Coal Transport device is belt feeder, and this belt feeder extends to described stockyard from described car dumper shed.
Preferably, described Coal Ports also comprises:
Take grain out of a granary to sun it district, and it is outside that this district that takes grain out of a granary to sun it is positioned at described silo group;
Second coal feedway, take grain out of a granary to sun it described in this second coal feedway is used for the coal in described silo to be transported to district; And
Control setup, this control setup is electrically connected with described coal feedway, for control described coal feedway the coal in silo is transported to described in take grain out of a granary to sun it district.
Preferably, described second coal feedway is belt feeder, and take grain out of a granary to sun it described in this belt feeder extends to from the described discharging opening of described silo district.
Preferably, described Coal Ports also comprises:
Combustable gas concentration infrared detecting device, this combustable gas concentration infrared detecting device is positioned at described silo, and is electrically connected with described control setup, for detecting the combustable gas concentration in described silo, and testing result is sent to described control setup;
Described control setup when described combustable gas concentration is greater than predetermined value, control described coal feedway the coal in silo is transported to described in take grain out of a granary to sun it district.
Preferably, described Coal Ports also comprises combustable gas concentration sampling detector for multifunctional, this combustable gas concentration sampling detector for multifunctional is electrically connected with described control setup, for detecting composite concentration or the alkane ratio of CO and hydro-carbon in described silo, and testing result is sent to described control setup;
Described control setup when described composite concentration or alkane ratio are greater than predetermined value, control described coal feedway the coal in described silo is transported to described in take grain out of a granary to sun it district.
Preferably, described Coal Ports also comprises smokescope detecting device, and this smokescope detecting device is electrically connected with described control setup, for detecting the smokescope in described silo, and testing result is sent to described control setup;
Described control setup when described smokescope is greater than predetermined value, control described coal feedway the coal in silo is transported to described in take grain out of a granary to sun it district.
Preferably, described Coal Ports also comprises:
Take grain out of a granary to sun it district, and it is outside that this district that takes grain out of a granary to sun it is positioned at described silo group;
3rd coal feedway, take grain out of a granary to sun it described in the 3rd coal feedway is used for the coal in described silo to be transported to district;
Temperature-detecting device, this temperature-detecting device is for detecting the temperature in described silo; And
Control setup, this control setup is electrically connected with described temperature-detecting device and coal feedway, when being greater than predetermined value for the temperature in described silo and/or heating rate, control described coal feedway the coal in described silo is transported to described in take grain out of a granary to sun it district.
Preferably, described temperature-detecting device comprises multiple point for measuring temperature, and the plurality of point for measuring temperature is positioned at silo wall bottom and the bottom of described silo, for detecting the temperature of this silo wall bottom and bottom;
Described control setup when the temperature that one or more point for measuring temperature detects and/or heating rate are higher than predetermined value, control described coal feedway the coal in silo is transported to described in take grain out of a granary to sun it district.
Preferably, described 3rd coal feedway is belt feeder, and take grain out of a granary to sun it described in this belt feeder extends to from the described discharging opening of described silo district.
Storage coal is carried out by adopting silo group when coal is transported, achieve the closed accumulating of harbour coal, avoid the pollution of harbour surrounding environment, and by arrange the number of discharging opening in silo achieve transport coal time pro rata mixture is carried out to different types of coal.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
As one aspect of the present invention, provide a kind of harbour coal transfer method.Shown in Fig. 1 is the overall schematic of harbour of the present invention coal movement system, as shown in the figure, harbour has car dumper shed 100 and port berth 700, wherein, between car dumper shed 100 and port berth 700, have the silo group 300 comprising multiple silo 301, this harbour coal transfer method comprises:
Coal warehouse entry technique: the coal in car dumper shed 100 is transported to by warehouse entry delivery system 200 in the silo 301 of described silo group 300;
Coal delivers from godown technique: be transported on the coal carrier of port berth by the delivery system 400 that delivers from godown by the coal in described silo group 300.
In coal warehouse entry technique, the coal in car dumper shed 100 is transported in the silo 301 of silo group 300 by warehouse entry transport 200, constitutes the enclosed storage of coal, the environment that so just can not pollute around harbour because of the dust of coal generation.
When harbour is left in transhipment during the coal be stored in silo group 300, only need, by the transport systems 400 that delivers from godown, the coal stored in the silo 301 of described silo group 300 is transported to the shipment line 500 be connected with warehouse exit system 400, then by the ship loader 600 that is connected with this shipment line 500 coal is transported in the coal carrier being docked in a berth 700.Therefore, the technique that delivers from godown of coal can be simplified by arranging silo group 300 between Coal Ports and car dumper shed, improving the shipment efficiency of coal, while obtaining larger coal ton-kilometerage volume, improve the efficiency storing and transport largely.And, because coal is stored up in the environment closed, thus reduce the impact that Changes in weather deposits coal.
Preferably, as shown in Figures 1 and 2, the silo 301 in described silo group arranges with the form of array.Be convenient to each silo 301 of being transported to by the coal in car dumper shed 100 rapidly and orderly in silo group 300 and the coal in each silo 301 is delivered from godown in an orderly manner.
Usually, as as shown in Fig. 2 to Fig. 4, warehouse entry delivery system 200 can comprise warehouse entry belt 200a and be connected on the dump car 201 on this warehouse entry belt, the delivery system that delivers from godown 400 can comprise the belt 400a that delivers from godown, and, preferably, warehouse entry belt 200a is parallel with the transporting direction of the belt 400a that delivers from godown.The direction of often arranging silo in the silo group 300 arranged with the form of array can be parallel with the transporting direction of the belt 400a that delivers from godown with warehouse entry belt 200a.
In order to rapidly and orderly the coal in car dumper shed 100 is transported in each silo 301 in silo group 300, and the coal in each silo 301 is delivered from godown, preferably, the top of each silo 301 can have discharge port 301a, bottom has discharging opening 301b, coal is input in silo by discharge port 301a by warehouse entry delivery system 200, and coal is exported by discharging opening 301b by the delivery system that delivers from godown 400 from silo.
In order to make the distribution of coal in each silo 301 more even, and filled by this silo 301 full, preferably, the top of each silo 301 can arrange multiple discharge port 301a, and correspondingly, described coal warehouse entry technique comprises the following steps:
Step (a): by the discharge port 301a discharging of coal from silo 301 top;
Step (b): detect the material level in silo 301;
Step (c): when the coal height in this silo 301 arrives the first predetermined altitude, stops to the discharge port 301a discharging described in step (a); And
Step (d): by another discharge port 301a discharging of coal from described silo 301 top.
By being positioned at a discharge port at silo 301 top to the inner feeding of this silo 301, after a period of time, the coal in silo 301 can be piled into bottom and expect that few chevron coal heap is expected on many, top.After the height of this chevron coal heap reaches the first predetermined altitude (such as reaching 1/3rd of silo height), pass through other discharge ports at silo 301 top again to the inner feeding of silo 301, such coal is filled in the space between above-mentioned chevron coal heap and silo wall, after coal reaches the first predetermined altitude again, repetition step (b) can also be continued to step (d), until the position coal height in silo 301 corresponding to each discharge port all reaches the first predetermined altitude.Thus the inner space of silo 301 is maximally utilized within the maximum rate constraints, store more coal.
In addition, carry out discharging from multiple discharge port to same silo the position of continuing when the material level of a discharge port has reached the upper limit corresponding to this discharging opening can also be avoided to carry out discharging to silo and cause coal to overflow, the generation of the situation that can coal avoided completely to overflow.After the coal in silo is roughly in sustained height, step (a) can be repeated to step (d).
Preferably, a step (a) is often repeated to step (d), the following steps of carrying out after can also being included in described step (d):
Step (e): detect the material level in silo 301; And
Step (f): when the material level in described silo 301 reaches the second predetermined altitude, stops carrying out discharging to this silo, then carries out discharging to another silo 301.
The general relatively Cang Ding of the second described predetermined altitude in step (f) such as, can be 9/10ths of silo height.Repetition step (a) is then continued to step (d) when the coal height in silo 301 does not reach the second predetermined altitude, if after the coal height in silo 301 reaches the second predetermined altitude, then carry out step (e) to step (f).The material level in silo was detected before discharging is carried out to another silo, can avoid warehouse entry delivery system 200, after a silo is filled with coal, the residue coal that it is banked up is transported to next silo, bring inconvenience therefrom, warehouse entry delivery system 200 also can be avoided to go to when being loaded with coal, and coal that next silo may cause overflows.
When the coal stored in silo group 300 is transported from Coal Ports, need the coal in silo 301 to deliver from godown.In order to avoid coal long-time storage in the silo spontaneous combustion occurs, preferably, the coal of the same race be stored in silo 301 can deliver from godown according to the principle of " first in first out ", that is, the coal technique that delivers from godown comprises:
Judge the time that coal of the same race stores in silo 301;
Coal in the silo 301 long by the storage time preferentially delivers from godown.
When coal is used as fuel, such as, during for thermal electric generation, except the fat coal of hoot, in order to ensure the Thorough combustion of coal, preferably, most coal can be used as fuel again through mixture.
In order to realize the mixture of different types of coal, preferably, the delivery system that delivers from godown 400 can comprise the belt 400a that delivers from godown being separately positioned on and often arranging below silo 301.
Coal warehouse entry technique can also comprise: different types of coal is transported to the different silos 301 being arranged in same row; The coal technique that delivers from godown can also comprise: be positioned at same row and the silo 301 storing different types of coal is with feed to the skin 400a that delivers from godown described in same simultaneously.Like this, just can realize the mixture of different types of coal on delivering from godown belt 400a at one, reduce the cost of mixture coal.
In order to determine the mixed ratio of different types of coal, preferably, the described coal technique that delivers from godown also comprises: the On/Off and/or the load that adjust the discharging opening 301b of described multiple silo 301, to control the mixed ratio of different types of coal.
In order to control the blending ratio of different types of coal more accurately, preferably, at least one belt conveyer scale can be provided with in the position corresponding with discharging opening 301b below the belt 400a that delivers from godown, the amount of the coal delivered from godown on belt 400a is measured, to determine the mixed ratio of different types of coal by this belt conveyer scale.
Coal Ports of the present invention can also comprise stockyard, and using supplementing as silo group 300, this stockyard can be arranged between car dumper shed 100 and port berth 700.When the amount of the coal in car dumper shed 100 is greater than the capacity of silo group 300, by the first Coal Transport device, the coal exceeding the part of the capacity of silo group 300 in described car dumper shed 100 is transported to described stockyard.Therefore, in the coal transfer method of harbour of the present invention, described coal warehouse entry technique can also comprise the coal of car dumper shed 100 is deposited into described stockyard by another coal conveying system, described in the technique that delivers from godown can also comprise the coal in stockyard is transported on coal carrier.
The coal be stored in silo can produce dieseling because of long storage time.In order to prevent the generation of this phenomenon, preferably harbour of the present invention coal transfer method can also comprise the process of taking grain out of a granary to sun it.
In order to realize taking grain out of a granary to sun it, the district that takes grain out of a granary to sun it can also be comprised between car dumper shed 100 and port berth 700.Correspondingly, harbour of the present invention coal transfer method method also comprises technique of taking grain out of a granary to sun it, and this technique of taking grain out of a granary to sun it comprises: the coal in silo 301 is transported to the district that takes grain out of a granary to sun it and stacks.
Preferably, can judge whether the coal be stored in silo 301 spontaneous combustion may occur according to two kinds of standards, a kind of is judge according to the environmental parameters in silo 301, and another kind judges according to the temperature in silo 301.
When to the environmental parameters in silo 301, basis judges whether that needs are taken grain out of a granary to sun it, correspondingly, technique of taking grain out of a granary to sun it preferably includes following steps:
Step (a '): detect the environmental parameters in described silo; And
Step (b '): when described environmental parameters is greater than predetermined value, take grain out of a granary to sun it described in being transported to by the coal in described silo district.
Preferably, described environmental parameters comprises one or more in the composite concentration of combustable gas concentration, CO and hydro-carbon, alkane ratio, smokescope and temperature.Described environmental parameters is not limited to this, such as, can also comprise: oxygen content, Coal Dust content etc.
When judging whether that needs are taken grain out of a granary to sun it according to the temperature in silo 301, correspondingly, technique of taking grain out of a granary to sun it preferably includes following steps:
Step (I): detect the temperature in silo 301; And
Step (II): described state the temperature in silo 301 and/or heating rate be greater than predetermined value time, take grain out of a granary to sun it described in being transported to by the coal in described silo district.
Preferably, described step (I) comprising: arrange multiple point for measuring temperature in the silo wall bottom of described silo and bottom, detects the temperature of this silo wall bottom and bottom;
Described step (II) comprising: when the temperature that one or more point for measuring temperature detects is higher than predetermined value, control described coal feedway the coal in silo is transported to described in take grain out of a granary to sun it district.Various temperature sensor can be set at each point for measuring temperature, to obtain the data relating to temperature.
Preferably, described silo comprises multiple temperature detection district, described step (I) comprising: in described multiple temperature detection district, arrange cable for measuring temperature respectively, this cable for measuring temperature hangs down along the line of centers in described temperature detection district, detects the temperature in described temperature detection district;
Described step (II) comprising: when the temperature in one or more temperature detection district is higher than predetermined value, control described coal feedway the coal in silo is transported to described in take grain out of a granary to sun it district.
By above-mentioned two kinds of schemes of taking grain out of a granary to sun it, can exist in silo occur the possibility of spontaneous combustion larger when, coal in silo is transported to the district that takes grain out of a granary to sun it cool, and to this coal spray cooling, to avoid coal generation spontaneous combustion or to reduce the loss because spontaneous combustionof coal causes.
As another aspect of the present invention, a kind of Coal Ports is provided, as shown in Figure 1, this Coal Ports has car dumper shed 100 and port berth 700, wherein, there is the silo group 300 comprising multiple silo 301 between car dumper shed 100 and port berth 700, the coal of car dumper shed 100 is transported to the warehouse entry delivery system 200 in the silo 301 of silo group 300, and the coal in the silo 301 of silo group 300 is transported to the delivery system 400 that delivers from godown on the coal carrier of port berth 700.
As shown in fig. 1, be transported in the silo 301 of silo group 300 by warehouse entry delivery system 200 from the coal car dumper shed 100, constitute the enclosed storage of coal, the environment that so just can not pollute around harbour because of the dust of coal generation.
When harbour is left in transhipment during the coal be stored in silo group 300, only need, by the transport systems 400 that delivers from godown, the coal stored in the silo 301 of described silo group 300 is transported to the shipment line 500 be connected with warehouse exit system 400, then by the ship loader 600 that is connected with this shipment line 500 coal is transported in the coal carrier being docked in a berth 700.
Therefore, the technique that delivers from godown of coal can be simplified by arranging silo group 300 between Coal Ports and car dumper shed, improving the shipment efficiency of coal, while obtaining larger coal ton-kilometerage volume, improve the efficiency storing and transport largely.And, because coal is stored up in the environment closed, thus reduce the impact that Changes in weather deposits coal.
Preferably, as depicted in figs. 1 and 2, the multiple silos 301 in silo group 300 arrange with the form of array.In coal warehouse entry technique, by warehouse entry delivery system 200, coal is transported to respectively the multiple silos 301 being arranged in same row, by the transport systems 400 that delivers from godown, the coal of the multiple silos 301 being arranged in same row is delivered from godown in coal delivers from godown technique, thus the efficiency that improve coal warehouse entry and deliver from godown.
Usually, as shown in Figure 3 and Figure 4, warehouse entry delivery system 200 can comprise warehouse entry belt 200a and be connected on the dump car 201 on this warehouse entry belt, the delivery system that delivers from godown 400 can comprise the belt 400a that delivers from godown, further, preferably, warehouse entry belt 200a is parallel with the transporting direction of the belt 400a that delivers from godown.The direction of often arranging silo in the silo group 300 arranged with the form of array can be parallel with the transporting direction of the belt 400a that delivers from godown with warehouse entry belt 200a.
In order to rapidly and orderly the coal in car dumper shed 100 is transported in each silo 301 in silo group 300, and the coal in each silo 301 is delivered from godown, preferably, the top of each silo 301 can have discharge port 301a, bottom has discharging opening 301b, coal is input in silo by discharge port 301a by warehouse entry delivery system 200, and coal is exported by discharging opening 301b by the delivery system that delivers from godown 400 from silo.
Preferably, this Coal Ports also comprises the shipment line 500 corresponding with port berth 700, and the row of silo group 300 is equal with the quantity of port berth 700, and often arranges silo 301 by corresponding shipment line 500 and port berth 700 one_to_one corresponding.This port berth-shipment line-delivery device-silo one to one set-up mode is conducive to silo group 300 and the reasonable link of port berth 700, is conducive to whole port district's inland transport and management, therefore has relatively high transport efficiency.
As mentioned above, usual warehouse entry delivery system 200 comprises warehouse entry belt 200a and is connected on the dump car 201 on this warehouse entry belt 200a, and the top of often arranging silo 301 is provided with a warehouse entry belt 200a.Dump car 201 can arrive each discharge port 301a at silo 301 top with described warehouse entry belt 200a.Use dump car 201 to be to the advantage of feed in silo 301: dump car warehouse entry ability is large, and dump car easily controls, can realize stopping exactly discharging at predetermined point.
Preferably, often arrange the top of silo 301 as shown in Figure 3 and Figure 4 and be provided with the gallery 302 that the orientation along this row's silo 301 extends, dump car 201 and warehouse entry belt 200a are arranged on gallery 302 inside at least partially.When supplying coal in silo 301, the windscreen of this gallery 302 outside is lived by gallery 302, thus can not produce dust because wind is large, thus can not pollute quayside environment, and transport coal also can not be subject to boisterous impact.
Dump car 201 can comprise multiple different form, and wherein, the form of often kind of different dump car is by a kind of for correspondence discharge port spread pattern.Such as, have the dump car of cloth rotating machine, the discharge port corresponding with this dump car is preferably arranged as the annular of the rotational trajectory along cloth rotating machine.
Preferably, dump car 201 comprises the discharge bucket with opening.The overall height with the dump car of discharge bucket will lower than the dump car comprising cloth rotating machine.Therefore, the dump car 201 with discharge bucket is more stable, is also more prone to control.Correspondingly, in described silo group 300, multiple discharge port 301a of the silo 300 of same row along the straight-though arrangement parallel with warehouse entry belt 200a, thus make the discharge port of each silo 300 all can be corresponding with the opening of the discharge bucket on dump car 201.
Preferably, more steady in order to run, each dump car 201 can be provided with two mutual symmetrical discharge buckets.Correspondingly, multiple discharge port 301a of multiple silos 301 of each row in silo group 300 are arranged as two rows at the top of this row's silo 301 along the direction parallel with the moving direction of dump car 201, and the multiple discharge port 301a being positioned at the silo 301 of same row are aligned with each other in the direction vertical with the moving direction of dump car 201.In order to make coal in silo even, each silo 301 top preferably arranges 4 ~ 6 discharge port 301a, when after arranged side by side two discharge port 301a discharging a period of times, the coal entering silo inside can be piled into chevron heap, namely, bottom coal is many, top coal is few, therefore, material level in silo reaches after a predetermined altitude can movable unloading trolley 201 forward or backward, from other discharge port 301a to feed in silo, with the inner space making coal be full of whole silo, improve the inner space degree of utilization of silo.
In addition, carry out discharging from multiple discharge port to same silo the position of continuing when the material level of a discharge port has reached the upper limit corresponding to this discharging opening can also be avoided to carry out discharging to silo and cause coal to overflow, the generation of the situation that can coal avoided completely to overflow.Now, material-level detecting device can being set in silo 301, when reaching predetermined height from a discharge port to discharging in silo, stopping from this discharge port to discharging in silo, and movable unloading trolley, then from other discharge ports of described silo to discharging in this silo.
Similarly, when the overall material level in silo reaches predetermined altitude, stop to this silo feed, and then to other silo feed.
Be described above the process of discharging in the silo 301 of silo group 300, how the coal stored in silo 301 drawn off introducing in detail below, and be transported to port berth 700.
Preferably, the delivery system that delivers from godown 400 comprises the belt 400a that delivers from godown being separately positioned on and often arranging bottom silo 301.Coal in such silo 301 directly can be discharged at and deliver from godown on belt 400a, makes whole harbour coal movement system structure simpler.
Silo 301 both can be flat bottom silo, was namely planar structure at the bottom of storehouse, also can be cone end silo.Preferably, silo 301 is cone end silo.That is, be provided with out funnel 301c in each silo 301, discharging opening 301b is arranged on out the bottom of funnel 301c.When discharging opening 301b opens, the coal of silo building up inside can flow to discharging opening 301b along the skew wall going out funnel 301c, therefore, under the help not needing external device, also all coals of the storage in silo 301 all can be drawn off.
In order to improve the ability that delivers from godown of cylinder 301, preferably, silo 301 can comprise multiple go out funnel 301c, be positioned at the silo 301 of same row multiple go out funnel 301c all along the straight-though arrangement parallel with the belt 400a that delivers from godown.
When coal is used as fuel, such as, during for thermal electric generation, except the fat coal of hoot, in order to ensure the Thorough combustion of coal, preferably, most coal can be used as fuel again through mixture.
In order to make harbour of the present invention coal movement system, there is mixture coal function, during to silo 301 internal unloading of silo group 300, different types of coal can be discharged into respectively the different silos 301 being positioned at same row inner, when delivering from godown, the silo storing variety classes coal can simultaneously to delivery system 400 feed that delivers from godown.
Preferably, every silo 301 each go out the discharging opening 301b of funnel 301c all can open independently of each other, thus the ratio shared by different types of coal can be controlled in the process of mixture coal.
More preferably, Coal Ports of the present invention can also comprise discharging opening control setup, this discharging opening control setup is arranged on discharging opening 301b place, with the On/Off of enough control discharging opening 301b and/or load, thus more accurately according to predetermined mixed ratio, mixture is carried out to different types of coal.Such as, discharging opening control setup can be can the valve system of switch.
In order to make to offer more discharging opening 301b in silo 301, to improve the ability that delivers from godown of this silo 301 further, preferably, the funnel 301c that goes out of the silo 301 being positioned at same row in silo group 300 is arranged as two rows along the direction parallel with the belt 400a that delivers from godown, and in silo group 300, be positioned at the silo 301 of same row to go out funnel 301c aligned with each other in the direction vertical with the moving direction of the belt 400a that delivers from godown, and often arrange corresponding two the belt 400a that deliver from godown of silo 301.
Preferably, position corresponding with described discharging opening 301b below the belt 400a that delivers from godown can arrange at least one belt conveyer scale, to measure the weight of the coal feeding to the belt 400a that delivers from godown from discharging opening 301b.
Preferably, delivery device 400 also comprises feeder, and this feeder is arranged on the discharging opening 301b of this silo 301 and delivers from godown between belt 400a.Described feeder can be activating feeder, vibrating feeder, ring type feeder and revolving plow reclaimer.Preferably, activating feeder is adopted to carry out feed to the belt 400a that delivers from godown.Use the advantage of activating feeder to be, activating feeder is exerted oneself greatly, opening large, effectively can prevent chute blockage, and activating feeder is without the need to gate, and when motor stops, the coal in silo is automatically locked and stops gliding.
Referring to Fig. 1 and Fig. 2, the process utilizing the harbour coal movement system of one embodiment of the present invention to carry out mixture coal is described in detail.
As shown in the figure, in this embodiment, harbour comprises 3 harbours 700, therefore silo group 300 is arranged as 3 rows, silo group 300 is arranged as 9 row by the loading and unloading capacity according to harbour, for convenience of description, 3 of this array rows are labeled as respectively J row, K row and L row, often arrange all corresponding two belt 400a that deliver from godown below silo.9 of this array row are labeled as respectively A row, B row, C row, D row, E row, F row, G row, H row and I row.
The mixture utilizing silo group 300 to carry out different types of coal can comprise two kinds of methods.The first is, different types of coal is transported respectively to the silo being positioned at different rows, such as, two kinds of different coals is transported to J row respectively and K arranges.When two kinds of different types of coals carry out mixture according to 1:1, need the belt 400a that delivers from godown simultaneously starting J row and K row below, and the quantity of the belt 400a that delivers from godown of often row's startup is identical, such as, often arranges and all starts the belt 400a that delivers from godown.The discharging opening of same number is opened respectively by discharging opening control setup control J row and K row, and the load controlling each discharging opening is identical, carry out feed to the belt 400a that delivers from godown being positioned at J row and K row below simultaneously, and by being arranged on the particularity of the belt conveyer scale checking mixed ratio below the belt 400a that delivers from godown.Then on the shipment line 500 being positioned at belt 400a downstream of delivering from godown, realize the mixture of different types of coal.Same column, can realize the mixture of different types of coal of other ratios by the quantity and load controlling the discharging opening of the silo opening different row.
Second method is the silo different types of coal being transported respectively to the different lines being arranged in same row.Such as, by the warehouse entry delivery system 200 of J row top, three kinds of different types of coals are transported to A-C row, D-F row and G-I row respectively.When three kinds of different types of coals are carried out mixture according to 1:1:1, the discharging opening of same number is then opened respectively by the silo in discharging opening control setup A-C row, D-F row and G-I row, and the load controlling each discharging opening is identical, simultaneously carry out feed to the belt 400a that delivers from godown below the silo being positioned at J row, and by being arranged on the particularity of the belt conveyer scale checking mixed ratio below the belt 400a that delivers from godown.In like manner, the mixture of different types of coal of other ratios can be realized by the quantity and load controlling the discharging opening of the silo opening A-I row.
From foregoing description, the silo different types of coal being transported respectively to the different lines being arranged in same row can realize the mixture of different types of coal more easily.
Coal Ports of the present invention can also comprise stockyard, and using supplementing as silo group 300, this stockyard can be arranged between car dumper shed 100 and port berth 700.When the amount of the coal in car dumper shed 100 is greater than the capacity of silo group 300, by the first Coal Transport device, the coal exceeding the part of the capacity of silo group 300 in described car dumper shed 100 is transported to described stockyard.
Preferably, described first Coal Transport device is belt feeder, and this belt feeder extends to described stockyard from car dumper shed 100.
The coal be stored in silo can produce dieseling because of long storage time.In order to prevent the generation of this phenomenon, preferably, harbour of the present invention coal movement system also comprises: take grain out of a granary to sun it district, and it is outside that this district that takes grain out of a granary to sun it is positioned at described silo group 300; Second coal feedway, take grain out of a granary to sun it described in this coal feedway is used for the coal in silo 301 to be transported to district; And control setup, this control setup is electrically connected with described coal feedway, for when exist occur the possibility of spontaneous combustion larger, control described coal feedway the coal in silo 301 is transported to described in take grain out of a granary to sun it district.
Preferably, described second coal feedway is belt feeder, and take grain out of a granary to sun it described in this belt feeder extends to from the discharging opening 301b of silo 301 district.
Whether silo exists the possibility that spontaneous combustion occurs can be detected by detecting device, can utilize the testing result of this detecting device, artificially control control setup, to control described coal feedway, the coal in silo 301 is transported to the district that takes grain out of a granary to sun it; Also by the testing result of control setup according to detecting device, automatically can control coal feedway and the coal in silo 301 be transported to the district that takes grain out of a granary to sun it.
Preferably, can judge whether the coal be stored in silo 301 spontaneous combustion may occur according to two kinds of standards, a kind of is judge according to the environmental parameters in silo 301, and another kind judges according to the temperature in silo 301.
Wherein, when carrying out judging whether to need to take grain out of a granary to sun it according to the environmental parameters in silo 301, Coal Ports of the present invention can comprise combustable gas concentration infrared detecting device, this combustable gas concentration infrared detecting device is positioned at silo 301, and be electrically connected with control setup, for detecting the combustable gas concentration in described silo, and testing result is sent to control setup; Control setup, when described combustable gas concentration is greater than predetermined value, controls coal feedway and the coal in silo 301 is transported to the district that takes grain out of a granary to sun it.By this, can using combustable gas concentration as judging whether the index that there is the possibility that spontaneous combustion occurs.
Preferably, Coal Ports of the present invention can also comprise combustable gas concentration sampling detector for multifunctional, this combustable gas concentration sampling detector for multifunctional is electrically connected with described control setup, for detecting composite concentration or the alkane ratio of CO and hydro-carbon in silo 301, and testing result is sent to control setup; Described control setup, when described composite concentration or alkane ratio are greater than predetermined value, control coal feedway and the coal in silo is transported to the district that takes grain out of a granary to sun it.This combustable gas concentration sampling detector for multifunctional can comprise the on-the-spot gas production head of fixed type and gas analysis system, the on-the-spot gas production head of described fixed type can be multiple, and be fixed on silo 301 inner top, its gas gathered is directed to gas analysis system by pipeline and valve group, this gas analysis system is analyzed gathered gas and (and is carried out blowback to the gas in pipeline after having analyzed, next time gathered gas is affected) to avoid residual gas, obtain CO and hydro-carbon (CH4, C2H4, C2H6 and CH3CH2CH3 etc.) composite concentration or alkane ratio.
Preferably, Coal Ports of the present invention can also comprise smokescope detecting device, and this smokescope detecting device is electrically connected with control setup, for detecting the smokescope in silo, and testing result is sent to control setup; Control setup, when smokescope is greater than predetermined value, controls coal feedway and the coal in silo is transported to the district that takes grain out of a granary to sun it.By this, can using smokescope as judging whether the index that there is the possibility that spontaneous combustion occurs.
When carrying out according to the temperature in silo 301 judging whether to need to take grain out of a granary to sun it, need to detect the temperature in silo 301 and/or heating rate, wherein, described heating rate refers to the increment of temperature within the unit time in silo, predetermined value compared with temperature and/or heating rate be respectively with temperature and the corresponding predetermined value of heating rate, this predetermined value can set according to actual conditions.Therefore, Coal Ports of the present invention can comprise: take grain out of a granary to sun it district, and it is outside that this district that takes grain out of a granary to sun it is positioned at silo group 300; 3rd coal feedway, this coal feedway is used for the coal in silo 301 to be transported to the district that takes grain out of a granary to sun it; Temperature-detecting device, this temperature-detecting device is for detecting the temperature in silo 301; And control setup, this control setup is electrically connected with temperature-detecting device and coal feedway, when being greater than predetermined value for the temperature in silo 301 and/or heating rate, control described coal feedway the coal in described silo is transported to described in take grain out of a granary to sun it district.
Preferably, temperature-detecting device can comprise multiple point for measuring temperature, and the plurality of point for measuring temperature is positioned at silo wall bottom and the bottom of silo 301, for detecting the temperature of this silo wall bottom and bottom; Control setup when the temperature that one or more point for measuring temperature detects and/or heating rate are higher than predetermined value, control described coal feedway the coal in silo 301 is transported to described in take grain out of a granary to sun it district.Described point for measuring temperature can be the hot point for measuring temperature of platinum.
3rd coal feedway can be belt feeder, and this belt feeder extends to from the discharging opening 301b of silo the district that takes grain out of a granary to sun it.Coal in silo 301 is poured into on the belt of this belt feeder by the discharging opening 301b of this silo 301, and then is transported to the district that takes grain out of a granary to sun it.Certainly, described coal feedway is not limited in belt feeder, and other devices that can realize coal conveying also can apply to this.
Preferably, control setup can control described belt feeder the coal in silo 301 is transported to take grain out of a granary to sun it district time, control the silo discharging that there is not generation spontaneous combustion possibility be positioned on the carriage direction of belt feeder on front side of silo 301, with the belt upper berth one deck coal in described belt feeder.By this, can at the coal that will exist in the silo 301 of spontaneous combustion possibility as before on belt, the pre-coal do not existed prior to this belt upper berth one deck in the silo 301 of spontaneous combustion possibility, with the coal that will exist in the silo 301 of spontaneous combustion possibility and belt isolated, avoid directly the coal existed in the silo 301 of spontaneous combustion possibility being placed in the belt that causes that belt may cause and melt or burn.
Preferably, the belt of described belt feeder is made up of flame retardant type rubber, in case the coal Yin Wendu of stop bit on this belt higher and cause belt melt or burning.
Storage coal is carried out by adopting silo group when coal is transported, achieve the closed accumulating of harbour coal, avoid the pollution of harbour surrounding environment, and by arrange the number of discharging opening in silo achieve transport coal time pro rata mixture is carried out to different types of coal.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.