CN103074140B - Coal impurity removing system - Google Patents

Abstract

The invention discloses a coal impurity removing system, which comprises a feeding mechanism, a conveying device, a microwave heating cavity and a collecting device, wherein the conveying device is connected with the feeding mechanism and extends in a conveying direction to penetrate through the microwave heating cavity to be connected with the collecting device; the microwave heating cavity comprises a first chamber and a second chamber; the first chamber is located at one end, close to the feeding mechanism, of the microwave heating cavity; the second chamber is located on the downstream of the first chamber in the conveying direction; and the microwave power in the first chamber is larger than that of the second chamber. With the adoption of the technical scheme, the method for heating coal raw materials by the microwave is utilized so as to effectively remove impurities of the coal raw materials, the impurity removing efficiency is high, and the impurity effect is good; and meanwhile, the coal raw materials can be prevented from burning caused by over high temperature, so that the safety of impurity removing process is guaranteed, the complexity of impurity removing operation is reduced, the manpower and working time are saved, and the industrial production efficiency is greatly improved.

Description

A kind of coal impurity removed system

Technical field

The present invention relates to coal processing field, particularly, relate to a kind of coal impurity removed system.

Background technology

Coal conventionally contained a lot of impurity before carrying out processing treatment, need to carry out before use removal of impurities processing.Wherein the impurity of content maximum is exactly water.In the coal through removal of impurities processing, conventionally do not contain a large amount of moisture, the water content of for example coal slime reaches more than 25%, and the water content of brown coal is up to 33% left and right.The water content height of coal has not only increased weight, has improved transportation cost, and reduces calorific value, has had a strong impact on the economical efficiency of coal.In addition, in coal, another major impurity is exactly sulphur, and the coal burning of sulfur-bearing can cause serious pollution to environment, therefore in the course of processing of coal, needs coal desulfurization.As can be seen here, coal is carried out to removal of impurities processing, especially the processing of dehydration and desulfurization has important practical significance.

Taking coal dehydration as example, at present, common utilization is carried out heat drying to coal makes coal dehydration.Because coal itself just belongs to inflammable substance, therefore in the process of coal being carried out to heat, be easy to occur the phenomenon of spontaneous combustion, not only can reduce the quality of coal, also can cause safety problem.

Summary of the invention

The object of this invention is to provide a kind of coal impurity removed system, this coal impurity removed system utilizes microwave to coal feedstock removal of impurities.

To achieve these goals, the invention provides a kind of coal impurity removed system, wherein, this coal impurity removed system comprises feed mechanism, e Foerderanlage, microwave heating chamber and collection device, described e Foerderanlage is connected with described feed mechanism and extends through described microwave heating chamber and be connected with described collection device along delivery direction, described microwave heating chamber comprises the first chamber and the second chamber, this first chamber is positioned at described microwave heating chamber one end near described feed mechanism, this second chamber is positioned at the downstream of described the first chamber along delivery direction, in described the first chamber, the power of microwave is greater than the power of microwave in described the second chamber.

Preferably, the power 40KW of microwave in described the first chamber, frequency 915MHz, the power 20KW of microwave in described the second chamber, frequency 915MHz.

Preferably, described microwave heating chamber is connected in series and is formed by multiple Cavity units, is provided with dividing plate described microwave heating chamber is divided into described the first chamber and described the second chamber in described microwave heating chamber.

Preferably, the top of described the first chamber and the second chamber is provided with energy feed-in mouth, and this energy feed-in mouth is connected with the outside microwave generating apparatus that is arranged on described microwave heating chamber by waveguide.

The quantity of the described microwave generating apparatus preferably, being connected with described the first chamber is greater than the quantity of the described microwave generating apparatus being connected with described the second chamber.

Preferably, described microwave generating apparatus is connected with described waveguide by choke joint, in described choke joint, has been filled with water.

Preferably, described coal impurity removed system also comprises microwave leakage restraining device, this microwave leakage restraining device at the entrance and exit place of described microwave heating chamber along described e Foerderanlage setting.

Preferably, described coal impurity removed system also comprises the inflation mechanism being connected with described the first chamber and the second chamber, and this inflation mechanism can be filled with the gas that stops coal burning in described the first chamber and the second chamber.

Preferably, described gas is nitrogen.

Preferably, described coal impurity removed system also comprises the spray equipment being connected with described the first chamber and the second chamber, and this spray equipment can be as spray water in described the first chamber and the second chamber.

Preferably, the speed of described spray equipment spray water is for being more than or equal to 500L/min.

Preferably, described coal impurity removed system also comprises the exhaust device being connected with described the first chamber and the second chamber, and this exhaust device can be discharged the water vapor in described the first chamber and the second chamber.

Preferably, described exhaust device comprises vacuum fan, and this vacuum fan is connected by pipeline and described the first chamber and the second chamber.

Preferably, described coal impurity removed system also comprises temperature-humidity detecting device, and this temperature-humidity detecting device comprises temperature sensor and/or humidity sensor, and this temperature sensor and/or humidity sensor are arranged in described the first chamber and the second chamber.

Preferably, described coal impurity removed system also comprises video monitoring device, and this video monitoring device comprises camera head, and this camera head is at least arranged on the entrance and exit place of described microwave heating chamber.

Preferably, described feed mechanism comprises hopper, be arranged on the casing of the below of this hopper, be arranged on the transport unit of below and the pedestal of this casing of support of this casing, the lower surface of described casing is open, material in described hopper can drop on described transport unit, this whipping appts is relatively arranged on the below of the discharge port of this hopper, this whipping appts comprises the first rotating shaft and agitating vane, this first rotating shaft drives rotation perpendicular to delivery direction setting and by drive-motor, this agitating vane is arranged in described the first rotating shaft and along the radially extension of described the first rotating shaft, in described casing, be also provided with longitudinal cutting device, this longitudinal cutting device is positioned at the downstream of described whipping appts and is driven by described drive-motor along delivery direction.

Preferably, described longitudinal cutting device comprises the second rotating shaft and longitudinal blade, this second rotating shaft drives rotation perpendicular to delivery direction setting and by described drive-motor, and this longitudinal blade is arranged in described the second rotating shaft and along the radial direction of described the second rotating shaft and extends.

Preferably, be also provided with transversally cutting device in described casing, this transversally cutting device is positioned at the downstream of described longitudinal cutting device and is driven by described drive-motor along delivery direction.

Preferably, described transversally cutting device comprises the 3rd rotating shaft and horizontal blade, the 3rd rotating shaft drives rotation perpendicular to delivery direction setting and by described drive-motor, and this horizontal blade is arranged in described the 3rd rotating shaft and is parallel to the axial direction due extension of described the 3rd rotating shaft.

Preferably, described drive-motor is connected with described the first rotating shaft by the first cycloidal planetary gear speed reducer, described drive-motor is connected with described the second rotating shaft by the second cycloidal planetary gear speed reducer, and described drive-motor is connected with described the 3rd rotating shaft by the 3rd cycloidal planetary gear speed reducer.

Preferably, described feed mechanism also comprises screeding device, this screeding device is arranged between described longitudinal cutting device and described transversally cutting device, described screeding device comprises perpendicular to delivery direction and is fixed on stationary shaft on described casing and is connected to the scraper plate on stationary shaft, and this scraper plate is parallel to described stationary shaft and near described longitudinal cutting device setting.

Preferably, described feed mechanism also comprises Pneumatic knocking hammer, and this Pneumatic knocking hammer is arranged on described hopper.

Preferably, this e Foerderanlage comprises travelling belt, supporting member and drive unit, described drive unit drives described supporting member rotation, thereby drive described conveyer belt, this travelling belt comprises layer of silica gel and silent chain flaggy, and this layer of silica gel is arranged at the outermost layer of described travelling belt, and this silent chain flaggy is arranged at the innermost layer of described travelling belt, described supporting member is gear, is formed with the driving groove that can coordinate with the tooth of described gear on this silent chain flaggy.

Preferably, the upper surface of described layer of silica gel is provided with side direction block, and this side direction block extends along the length direction of described layer of silica gel, and is arranged on the both sides of the broad ways of described travelling belt.

Preferably, described side direction block extends along delivery direction undulate.

Preferably, described silent chain flaggy comprises multiple toothed members, the axis of this toothed member extends along the width of described travelling belt, on the periphery of described toothed member, be formed with the tooth perpendicular to the axis of described toothed member, mutually peg graft along the length direction of described travelling belt by described tooth along the described toothed member that delivery direction is adjacent.

Preferably, described toothed member comprises long toothed member and short toothed member, and this long toothed member and short toothed member are arranged alternately alignedly along delivery direction central point, forms driving groove with the both sides at described silent chain flaggy.

Preferably, described toothed member also in series arranges along the width of described travelling belt, can not line up to arrange with the both sides at described silent chain flaggy to form driving groove along the adjacent described toothed member of delivery direction.

Pass through technique scheme, utilize the method for microwave to coal feedstock heating, first in the first higher chamber of microwave power, make rapidly coal feedstock heat up with to coal feedstock removal of impurities, then in the second lower chamber of microwave power, maintain further removal of impurities at this temperature.Coal impurity removed system of the present invention can carry out removal of impurities to coal feedstock effectively, dust removal rate is high and effective, can also prevent that coal feedstock from burning because of excess Temperature, guarantee the security of removal of impurities process, and reduce the complexity except miscellaneous operation, save manpower and working time, greatly improved industrial efficiency.

Other features and advantages of the present invention are described in detail the embodiment part subsequently.

Brief description of the drawings

Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:

Fig. 1 is the front view of coal impurity removed system according to the preferred embodiment of the present invention;

Fig. 2 is the vertical view of coal impurity removed system according to the preferred embodiment of the present invention;

Fig. 3 is the side-view of coal impurity removed system according to the preferred embodiment of the present invention;

Fig. 4 is the front view of feed mechanism according to the preferred embodiment of the present invention;

Fig. 5 is the sectional view along the A-A line of Fig. 4;

Fig. 6 is the schematic diagram in the cross section perpendicular to delivery direction of travelling belt according to the preferred embodiment of the present invention

Fig. 7 is the partial view of the schematic diagram of the front view (layer of silica gel) of travelling belt according to the preferred embodiment of the present invention;

Fig. 8 is the partial view of the schematic diagram of the reverse view (chain flaggy) of travelling belt according to the preferred embodiment of the present invention;

Fig. 9 is the schematic diagram of toothed member according to the preferred embodiment of the present invention;

Figure 10 is the schematic diagram of toothed member according to the preferred embodiment of the present invention.

Description of reference numerals

1 whipping appts 11 first rotating shafts

12 agitating vane 13 first cycloidal planetary gear speed reducers

2 longitudinal cutting device 21 second rotating shafts

22 longitudinal blade 23 second cycloidal planetary gear speed reducers

24 transverse link 3 transversally cutting devices

The horizontal blade of 31 the 3rd rotating shaft 32

33 the 3rd cycloidal planetary gear speed reducer 34 longitudinal rods

4 screeding device 41 stationary shaft

42 scraper plates 5 knock hammer

110 hopper 120 casings

130 transport unit 140 pedestals

100 feed mechanism 200 e Foerderanlages

201 layer of silica gel 202 chain flaggies

203 driving groove 204 side direction blocks

The long toothed member of 205 toothed member 206

207 short toothed member 300 microwave heating chambers

301 first chamber 302 second chambers

311 energy feed-in mouth 312 microwave generating apparatus

313 microwave leakage restraining device 314 spray equipments

315 vacuum fan 400 collection devices

Embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.

In the present invention, in the situation that not doing contrary explanation, the noun of locality using needs by reference to the accompanying drawings conventionally, understand according to the actual parts of describing in specification sheets, " upper and lower " typically refers to the above and below on vertical direction, the namely above and below of coal impurity removed system of the present invention in the situation that of normal work, " longitudinally " refers to the direction along this delivery direction, the namely length direction of the travelling belt of transport unit, " laterally " refers to the direction perpendicular to delivery direction, namely the width of the travelling belt of transport unit; If travelling belt is closed annular, therefore " inner side " of travelling belt refers to the side of travelling belt towards ring-shaped inner part, " outside " refers to the side of travelling belt towards annular, outer, " delivery direction " refers to the direction of travelling belt convey materials, and namely the annular of travelling belt is positioned at the surperficial direction of motion of vertical top.In addition, " coal " here refers to the raw material using in coal-mining industry, such as coal slime, brown coal etc.

The invention provides a kind of coal impurity removed system, wherein, this coal impurity removed system comprises feed mechanism 100, e Foerderanlage 200, microwave heating chamber 300 and collection device 400, described e Foerderanlage 200 is connected with described feed mechanism 100 and extends through described microwave heating chamber 300 and be connected with described collection device 400 along delivery direction, described microwave heating chamber 300 comprises the first chamber 301 and the second chamber 302, this first chamber 301 is positioned at described microwave heating chamber 300 one end near described feed mechanism 100, this second chamber 302 is positioned at the downstream of described the first chamber 301 along delivery direction, the power of described the first chamber 301 interior microwaves is greater than the power of described the second chamber 302 interior microwaves.

Coal impurity removed system of the present invention is for removing the impurity of coal, and the coal is here often referred to the coal feedstock that need to carry out removal of impurities processing, for example coal slime or brown coal.Coal feedstock enters this coal impurity removed system from feed mechanism 100, this feed mechanism 100 is connected with e Foerderanlage 200, here " being connected " is not the connection on common meaning, and refer to that coal feedstock can arrive e Foerderanlage 200 by feed mechanism 100, preferably, this e Foerderanlage 200 is arranged on the below of feed mechanism 100, arrives e Foerderanlage 200 thereby make coal feedstock pass through feed mechanism 100.

This e Foerderanlage 200 extends to collection device 400 from feed mechanism 100, and e Foerderanlage 200 is connected with collection device 400, " being connected " here with should be understood to e Foerderanlage 200 above in like manner and the coal feedstock on it can be transported in collection device 400.And this e Foerderanlage 200, through microwave heating chamber 300, is sent to collection device 400 by coal feedstock.

The impurity existing in coal has a variety of, and wherein water most importantly, is secondly sulphur.In the present invention, utilize microwave to heat coal feedstock, mainly utilize the electromagnetic oscillation principle of the high frequency of microwave, under the strong microwave field effect of high field, the moisture fast vaporizing of coal feedstock, to reach dry object; On the other hand, because coal feedstock makes a kind of mixture of non-homogeneous, different material profit specific inductivity differences can be carried out selectivity heating under microwave action.Therefore can not cause main component in coal feedstock to cross thermolysis, and by the coal feedstock of microwave fast heating, due to thermal expansivity difference, cause producing thermal strain between different minerals component, and then generation slight crack, taking sulphur impurity as example, thereby the chemical bond rupture of the element sulphur existing with compound form is separated out sulphur simple substance.

Coal feedstock microwave energy absorbing is also converted into heat energy it, because the mode of microwave heating is different from common heating mode, be to produce heat by carrying high molecular kinetic energy, therefore can keep the bulk temperature of coal feedstock lower, reduced the danger that coal burns due to excess Temperature

Wherein, microwave heating chamber 300 comprises the first chamber 301 and the second chamber 302, this first chamber 301 is positioned at one end of the close feed mechanism 100 of microwave heating chamber 300, and the second chamber 302 is positioned at the downstream of the first chamber 301 along delivery direction, than the more close collection device 400 of the first chamber 301.Like this, the coal feedstock that e Foerderanlage 200 transports enters microwave heating chamber 300, and first enter the first chamber 301, and then enter the second chamber 302, between the first chamber 301 and the second chamber 302 or the second chamber 302 other chamber can also be set along the downstream of delivery direction, the power of the first chamber 301 interior microwaves is greater than the power of the second chamber 302 interior microwaves.Like this, first coal feedstock heats up rapidly after entering microwave heating chamber 300 under the superpower of the first chamber 301, to heat removal of impurities, and then enters the second chamber 302, maintains this temperature under lower power, further carries out removal of impurities.

It should be noted that, microwave heating chamber 300 is usually designed to and makes microwave optimum resonant state, and the energy of microwave changes into heat energy via being absorbed by coal feedstock in microwave heating chamber 300.The efficiency of conversion of the energy of microwave be by microwave heating chamber 300 whether with microwave transmission route matching to make microwave resonance and determining in microwave heating chamber 300, if coupling, can fully be absorbed by coal feedstock microwave energy, otherwise the microwave energy that has part is depleted, cause Efficiency Decreasing, even can damage microwave generating apparatus.Correspondingly, the setting of the first chamber 301 and the second chamber 302 also should meet above-mentioned principle, correspondingly designs according to the microwave energy in the first chamber 301 and the second chamber 302.From for microwave heating chamber 300, and the design of the first chamber 301 and the second chamber 302, to those skilled in the art completely can mentioned above principle carry out optimization and design, repeat no more herein.

Pass through technique scheme, utilize the method for microwave to coal feedstock heating, first in the first higher chamber of microwave power, make rapidly coal feedstock heat up with to coal feedstock removal of impurities, then in the second lower chamber of microwave power, maintain further removal of impurities at this temperature.Coal impurity removed system of the present invention can carry out removal of impurities to coal feedstock effectively, dust removal rate is high and effective, can also prevent that coal feedstock from burning because of excess Temperature, guarantee the security of removal of impurities process, and reduce the complexity except miscellaneous operation, save manpower and working time, greatly improved industrial efficiency.

Preferably, the power 40KW of described the first chamber 301 interior microwaves, frequency 915MHz, the power 20KW of described the second chamber 302 interior microwaves, frequency 915MHz.

In the preferred embodiment of the present invention, the power of this first chamber 301 is preferably two times of power of the second chamber 302.Certainly, the present invention is not limited this, can be according to the practical situation of reality coal feedstock to be dealt with to the power of the first chamber 301 and the second chamber 302 is set.

Preferably, described microwave heating chamber 300 is connected in series and is formed by multiple Cavity units, is provided with dividing plate described microwave heating chamber 300 is divided into described the first chamber 301 and described the second chamber 302 in described microwave heating chamber 300.

In the preferred embodiment of the present invention, microwave heating chamber 300 has multiple Cavity units to be connected in series formation.Pass through this programme, the length of microwave heating chamber 300 can be set according to the actual requirements and at random, and easy to assembly, be convenient to installation and the transport of coal impurity removed system of the present invention, make coal impurity removed system of the present invention can be adapted to more workplace and condition.In the present embodiment, in microwave heating chamber 300, be provided with dividing plate, thereby this microwave heating chamber 300 is divided into two chambers, i.e. the first chamber 301 and the second chamber 302, the setting of this dividing plate is also according to principle mentioned above, make the microwave in the first chamber 301 and the second chamber 302 can reach best resonant condition, thereby farthest utilized the energy of microwave.In the preferred embodiment of the present invention as depicted in figs. 1 and 2, in microwave heating chamber 300, from left side, first Cavity unit starts to be interconnected and to form the first chamber 301 to the 4th Cavity unit, from left side, the 5th Cavity unit starts to be interconnected and to form the second chamber 302 to a Cavity unit of the rightmost side, between this first chamber and the second chamber, is separated from each other by dividing plate.

Preferably, the top of described the first chamber 301 and the second chamber 302 is provided with energy feed-in mouth 311, and this energy feed-in mouth 311 is connected with the outside microwave generating apparatus 312 that is arranged on described microwave heating chamber 300 by waveguide.

According to technical scheme of the present invention, coal feedstock heats in microwave heating chamber 300, and normally, microwave generating apparatus is not arranged in microwave heating chamber 300, and be arranged on outside microwave heating chamber 300, then by waveguide, microwave energy is incorporated in microwave heating chamber 300.

In this preferred implementation, the top of the first chamber 301 and the second chamber 302 is provided with energy feed-in mouth 311, this energy feed-in mouth 311 is connected with microwave generating apparatus 312 by waveguide, this microwave generating apparatus 312 comprises magnetron, produce micro-wave energy by this magnetron, at the energy feed-in mouth 311 that by waveguide, micro-wave energy is sent to the first chamber 301 and the second chamber 302, so that micro-wave energy is heated coal feedstock in the first chamber 301 and the second chamber 302.

Normally, micro-wave energy is provided with tubaeform device to be connected this energy feed-in mouth 311 and waveguide at the energy feed-in mouth 311 at the first chamber 301 and the top of the second chamber 302, can be incorporated in the first chamber 301 and the second chamber 302 in best mode.

The quantity of the described microwave generating apparatus 312 preferably, being connected with described the first chamber 301 is greater than the quantity of the described microwave generating apparatus 312 being connected with described the second chamber 302.

In this preferred implementation, the power of the microwave that each microwave generating apparatus 312 produces is identical, therefore be greater than the power of the second chamber 302 in order to ensure the power in the first chamber 301, the quantity of the microwave generating apparatus 312 being connected with the first chamber 301 is greater than the quantity of the microwave generating apparatus 312 being connected with the second chamber 302.In embodiment as shown in the figure, the top of the first chamber 301 is provided with two energy feed-in mouths 311, each energy feed-in mouth 311 is connected with a microwave generating apparatus 312 by tubaeform device respectively, so the first chamber 301 is connected with two microwave generating apparatus 312, the power of the micro-wave energy that each microwave generating apparatus produces is 20KW, frequency is 915MHz, therefore in the first chamber 301, the power of micro-wave energy is 40KW, frequency is 915MHz, the first chamber 301 is 4m along the length of delivery direction, coal feedstock can be elevated to fast 90 DEG C to 110 DEG C left and right in the first chamber 301, the top of the second chamber 302 is provided with two energy feed-in mouths 311, two energy feed-in mouths 311 are connected with same microwave generating apparatus 312 by two tubaeform devices respectively, the power of the micro-wave energy that this microwave generating apparatus produces is 20KW, frequency is 915MHz, therefore in the second chamber 302, the power of micro-wave energy is 20KW, frequency is 915MHz, the second chamber 302 is 5m along the length of delivery direction, and coal feedstock can maintain the temperature of 110 DEG C of left and right to carry out further removal of impurities in the second chamber 302.

Preferably, described microwave generating apparatus 312 is connected with described waveguide by choke joint, in described choke joint, has been filled with water.

As described above, in the time that micro-wave energy can not be absorbed by coal feedstock completely, powerful micro-wave energy can be reflected back microwave generating apparatus 312 by energy feed-in mouth 311 and waveguide from microwave heating chamber 300, so very easily the magnetron in microwave generating apparatus 312 is caused to damage.In the preferred embodiment of the present invention; this microwave generating apparatus 312 is connected with waveguide by choke joint; in this choke joint, be filled with water; before entering microwave generating apparatus 312, the microwave reflecting first can be absorbed by this water like this; thereby the magnetron in protection microwave generating apparatus 312, has reduced microwave generating apparatus 312, especially the failure rate of magnetron; reduce maintenance cost, improved reliability and the life-span of coal impurity removed system.

More preferably, because microwave generating apparatus 312 can produce a large amount of heat in the course of the work, if heat radiation also can cause the fault of microwave generating apparatus 312 not in time, therefore preferably utilize water to carry out cooled microwave generating unit 312, especially magnetron, this is used for the flow velocity of water cycle of cooled microwave generating unit for being more than or equal to 20L/min.

Preferably, described coal impurity removed system also comprises microwave leakage restraining device 313, and this microwave leakage restraining device 313 arranges along described e Foerderanlage 200 at the entrance and exit place of described microwave heating chamber 300.

In this preferred implementation, in order to prevent that microwave leakage in microwave heating chamber 300 out, entrance and exit at microwave heating chamber 300 goes out to be provided with microwave leakage restraining device 313, and this microwave leakage restraining device 313 is along the travelling belt setting of e Foerderanlage 200.This microwave leakage device can be selected any suitable related device in prior art according to actual needs, for example, propped up the microwave absorbing bar of making, the pectination of being made up of alloy aluminum inhibition bar and suppressed frid etc. by graphite carbon plate.As shown in the figure, this microwave leakage restraining device 313 comprises along delivery direction and is arranged on vertically two relative side plates of e Foerderanlage 200 both sides and is connected between two side plates and is set in parallel in the top board of the travelling belt top of described e Foerderanlage 200, between this top board and this travelling belt, have certain distance, this distance should be greater than the thickness of coal feedstock on travelling belt.

Preferably, described coal impurity removed system also comprises the inflation mechanism being connected with described the first chamber 301 and the second chamber 302, and this inflation mechanism can be filled with the gas that stops coal burning in described the first chamber 301 and the second chamber 302.

Because coal impurity removed system of the present invention is by heating and carry out removal of impurities coal feedstock, because coal feedstock is easily burnt, in order to ensure the safety of the course of processing, conventionally need to fire protection system is being set deal with the generation of coal feedstock combustion phenomena in the course of processing.In the preferred embodiment of the present invention, preferably, the first chamber 301 and the second chamber 302 respectively with inflation mechanism UNICOM, when coal feedstock in the first chamber 301 and/or the second chamber 302 burning occurs or has while there is burning dangerous, can in the first chamber 301 and/or the second chamber 302, be filled with the gas that stops coal burning.

The gas of this prevention coal burning can be rare gas element or other nonflammable and not combustion-supporting gas.Preferably, described gas is nitrogen.Nitrogen is widely used in industrial production, easily obtains.

Preferably, described coal impurity removed system also comprises the spray equipment 314 being connected with described the first chamber 301 and the second chamber 302, and this spray equipment 314 can be as spray water in described the first chamber 301 and the second chamber 302.

The inflation mechanism adopting except above-mentioned embodiment plays fire-fighting function, and coal impurity removed system of the present invention can also comprise spray equipment 314, and this spray equipment 314 and the first chamber 301 and/or the second chamber 302 are connected.This spray equipment can be in the first chamber 301 and/or the second chamber 302 coal feedstock there is burning or have while there is burning dangerous, spray water to the first chamber 301 and/or the second chamber 302, to play the function of fire-fighting.Normally, this spray equipment 314 comprises water tank, water pump, detector and controller, there is burning or have while there is burning dangerous when detector judges by the detection of temperature or naked light in the first chamber 301 and/or the second chamber 302, transfer the signal to the controller, controller is controlled starting mode of pump through judgement, thereby the water pump in water tank is delivered in the first chamber 301 and/or the second chamber 302.

Preferably, the speed of described spray equipment 314 spray waters is for being more than or equal to 500L/min.Although the main purpose of coal impurity removed system of the present invention is the impurity of removing in coal, especially water, although the coal feedstock water content after spray is larger, once coal feedstock burning occurs and controls not in time, its loss is immeasurable, and therefore safety is primary.Certainly, the present invention is not limited to this preferred implementation, and the speed of the spray water of spray equipment 314 can arrange different numerical value according to practical situations.

Preferably, described coal impurity removed system also comprises the exhaust device being connected with described the first chamber 301 and the second chamber 302, and this exhaust device can be discharged the water vapor in described the first chamber 301 and the second chamber 302.

According to the preferred embodiment of the present invention, in microwave heating chamber 300, water in coal feedstock is heated and is present in microwave heating chamber 300 with the form of water vapor, in order to improve dry effect, coal impurity removed system of the present invention also comprises the exhaust device being connected with the first chamber 301 and the second chamber 302, and this exhaust device can be discharged the water vapor in the first chamber 301 and the second chamber 302.

Preferably, described exhaust device comprises vacuum fan 315, and this vacuum fan 315 is connected by pipeline and described the first chamber 301 and the second chamber 302.

In this preferred implementation, exhaust device comprises the vacuum fan 315 with the first chamber 301 and the second chamber 302 UNICOMs, when this vacuum fan 315 starts work, the water vapor in microwave heating chamber 300 can be extracted out.More preferably, because water content in coal feedstock is conventionally larger, the amount of the water of separating out in removal of impurities process is larger, and in this water, contain a lot of impurity and dust, therefore this vacuum fan 315 is collected this water vapor after water vapor is extracted out, by the cooling water vapor liquid water that becomes, and in this process, collect the heat discharging to carry out the recycling of energy, the liquid water of collecting is being filtered accordingly and processed, finally recycle or reach emission standard after discharge, not only effectively utilize dramatically resource, and reduce pollution and the destruction to environment.

Preferably, described coal impurity removed system also comprises temperature-humidity detecting device, and this temperature-humidity detecting device comprises temperature sensor and/or humidity sensor, and this temperature sensor and/or humidity sensor are arranged in described the first chamber 301 and the second chamber 302.

Preferably, described coal impurity removed system also comprises video monitoring device, and this video monitoring device comprises camera head, and this camera head is at least arranged on the entrance and exit place of described microwave heating chamber 300.

According to coal impurity removed system of the present invention, in microwave heating chamber 300, in order to improve the effect of removal of impurities and to ensure the security of working process, conventionally in microwave heating chamber 300, temperature-humidity detecting device is set, comprise temperature sensor and/or humidity sensor, to detect the humiture in microwave heating chamber 300 (being mainly the first chamber 301 and the second chamber 302).Mainly, easily there is spontaneous combustion in coal feedstock in the time of excess Temperature in microwave heating chamber 300, therefore by the monitoring of temperature is controlled the temperature in microwave heating chamber 300 in time, to guarantee safety; In the time that the humidity in microwave heating chamber 300 is too high, can greatly affect the impurity-eliminating effect of coal impurity removed system of the present invention, can be by for example improving the power of exhaust device, quickly the aqueous vapor in microwave heating chamber 300 is discharged to outside microwave heating chamber, to improve the water impurity in impurity-eliminating effect, especially coal feedstock.

Certainly, microwave heating chamber 300 of the present invention is interior can also arrange other sensor proofing units, thereby the removal of impurities process of coal feedstock is more comprehensively detected, and can carry out more efficiently and safely guaranteeing to the removal of impurities of coal feedstock.

Coal feedstock being carried out in the process of removal of impurities, for fear of the radiation hazradial bundle of microwave, personnel can not, near microwave heating chamber 300, therefore need the working condition in microwave heating chamber 300 to carry out remote monitoring conventionally.Normally, detect the parameters such as the humiture in microwave heating chamber 300 by sensor and can only infer by data, and cannot recognize intuitively the situation in microwave heating chamber 300.In the preferred embodiment of the present invention, locate to arrange video monitoring device at the entrance and exit of microwave heating chamber 300 (being the outlet that e Foerderanlage 200 enters the entrance of microwave heating chamber 300 and e Foerderanlage 200 and leave microwave heating chamber 300), this video monitoring device comprises camera, this camera is aimed at the travelling belt of e Foerderanlage 200, to take the situation of the coal feedstock on travelling belt, and directly observe the situation of coal feedstock in microwave heating chamber 300 according to video data, carry out Long-distance Control to improve dust removal rate and to guarantee safety.

Preferably, described feed mechanism 100 comprises hopper 110, be arranged on the casing 120 of the below of this hopper 110, be arranged on the transport unit 130 of below and the pedestal 140 of this casing 120 of support of this casing 120, the lower surface of described casing 120 is open, material in described hopper 110 can drop on described transport unit 130, this whipping appts 1 is relatively arranged on the below of the discharge port of this hopper 110, this whipping appts 1 comprises the first rotating shaft 11 and agitating vane 12, this first rotating shaft drives rotation perpendicular to delivery direction setting and by drive-motor, this agitating vane 12 is arranged in described the first rotating shaft 11 and along the radially extension of described the first rotating shaft 11, in described casing 120, be also provided with longitudinal cutting device 2, this longitudinal cutting device 2 is positioned at the downstream of described whipping appts 1 and is driven by described drive-motor along delivery direction.

Feed mechanism of the present invention can be for providing material in industrial production.Wherein, the hopper 110 of this feed mechanism is used for dropping into material, this hopper 110 comprises opening for feed and discharge port, and hopper 110 is arranged on the top of casing 120, transport unit 130 is arranged on the below of casing 120, the discharge port of hopper 110 is corresponding with casing 120, and because the lower surface of casing 120 is open, the material therefore entering in hopper 110 can directly drop on transport unit 130.

According to this preferred implementation, the lower surface of this casing 120 is open, preferably this casing 120 does not have lower surface, or there is perforate on the lower surface of casing 120, thereby material can directly be dropped on the transport unit 130 of casing 120 belows, then pass through this transport unit 130 along delivery direction convey materials.In casing 120, be provided with whipping appts 1, this whipping appts 1 is relatively arranged on the below of the discharge port of hopper 110, that is to say that this whipping appts 1 is arranged on the top of transport unit 130 and corresponding with the discharge port of hopper 110.Material, after the discharge port of hopper 110 falls, drops on transport unit 130 by the stirring of whipping appts 1.

Whipping appts 1 comprises the first rotating shaft 11 and agitating vane 12, this first rotating shaft is perpendicular to delivery direction setting, namely along the width setting of the travelling belt of transport unit 1, agitating vane 12 arranges perpendicular to this first rotating shaft 11, namely along the radially extension of the first rotating shaft 11, this agitating vane 12 can be multiple for what arrange along the first rotating shaft 11, and the present invention is not limited the quantity of agitating vane 12.This agitating vane 12 rotates around this first rotating shaft 11, thereby by even the material stirring entering from hopper 110.

In this casing 120, be also provided with longitudinal cutting device 2, this cutting device 2 is positioned at the downstream of whipping appts 1 along delivery direction, that is to say that material is after hopper 110 enters, first pass through the stirring of whipping appts 1 and drop on transport unit 130, then transport unit 130 is transported to longitudinal cutting device 2 places by this material along delivery direction again and carries out longitudinal cutting, by material along delivery direction cutting.And this whipping appts 1 and longitudinally cutting device 2 are all driven by drive-motor.

It should be noted that, casing 120 mainly plays the effect of dustproof isolation.At interior whipping appts 1 and longitudinal cutting device 2 devices such as grade of arranging of casing 120, so that material is carried out to pre-treatment, make material more evenly and be beneficial to processing for further processing.This whipping appts 1 and longitudinally cutting device 2 all carry out the operation of material in casing 120, thereby prevent the airborne dust producing in stirring to material and cutting process or the material from leakage the splashing outside to casing 120.

By technique scheme, feed mechanism of the present invention not only comprises whipping appts, so that the material of carrying is stirred, also comprises cutting device, so that material is carried out to cutting.Like this, utilize feed mechanism of the present invention, not only can make the material of conveying more even, and can before for further processing to material, cut apart this material, especially there is special effect for the larger material of some viscosity, greatly facilitate conveying and the processing of material, thereby be conducive to the course of processing, can obtain better processing effect, and make to process more convenient, improve working (machining) efficiency.

Preferably, described longitudinal cutting device 2 comprises the second rotating shaft 21 and longitudinal blade 22, this second rotating shaft 21 drives rotation perpendicular to delivery direction setting and by described drive-motor, and this longitudinal blade 22 is arranged in described the second rotating shaft 21 and along the radial direction of described the second rotating shaft 21 and extends.

In this preferred implementation, this longitudinal cutting device 2 comprises the second rotating shaft 21 and longitudinal blade 22, this second rotating shaft 21 is parallel to the first rotating shaft 11 and arranges, perpendicular to delivery direction setting, and this second rotating shaft 21 rotation under drive-motor drives, longitudinally blade 22 is arranged in the second rotating shaft 21 and along the radial direction along described the second rotating shaft 21 and extends.Under the driving of drive-motor, the second rotating shaft 21 is rotated, thereby drives longitudinal blade 22 to rotate, with by longitudinally cutting of the material on transport unit 130.This longitudinal blade 22 can be arrange along the length direction of the second rotating shaft 21 and circumferential direction multiple, thereby by the material cutting on transport unit 130 is multiple parts of extending along the longitudinal direction.

Preferably, longitudinal blade 22 is set to along the multiple of the length direction of the second rotating shaft 21 and circumferential direction setting and is uniformly distributed, be that longitudinal blade 22 is not only set to multiple and is uniformly distributed along the length direction of the second rotating shaft 21, and in the circumferential direction around this second rotating shaft 21, this longitudinal blade 22 is also set to multiple.It should be noted that, this longitudinal blade 22 has determined the longitudinally quantity of cutting and the width of each several part of material quilt in the distance of the length direction along the second rotating shaft 21 (being axial direction due), therefore can select according to actual needs and adjust.

In order to improve the intensity of longitudinal blade 22, can utilize transverse link 24 is linked together multiple longitudinal blade 22 in the same plane, the multiple longitudinal blade 22 that is about to all align along length direction and the circumferential direction of the second rotating shaft 21 links together by transverse link 24.This transverse link is perpendicular to delivery direction setting, and the position that connects of this transverse link 24 can either improve the intensity of longitudinal blade 22, can not affect again the cutting of longitudinal blade 22 to material.Meanwhile, this transverse link 24 can also play the effect that material is struck off.In the time that longitudinal blade 22 rotates along with the second rotating shaft 21, transverse link 24 is parallel to the second rotating shaft 21 and rotates around this second rotating shaft 21.Like this, when longitudinally blade 22 carries out cutting to the material on transport unit 300, transverse link 24 can also strike off material in its rotation radius.

Preferably, in described casing 120, be also provided with transversally cutting device 3, this transversally cutting device 3 is positioned at the downstream of described longitudinal cutting device 2 and is driven by described drive-motor along delivery direction.

In this preferred implementation, further, preferably also need the material on transport unit 130 to carry out transversally cutting.That is to say that material is after hopper 110 enters, first pass through the stirring of whipping appts 1 and drop on transport unit 130, then transport unit 130 is transported to longitudinal cutting device 2 places by this material along delivery direction again and carries out longitudinal cutting, by material along delivery direction cutting.Then, transport unit 130 is transported to transversally cutting device 3 places by material along delivery direction again and carries out transversally cutting, the direction cutting by material edge perpendicular to delivery direction.And this whipping appts 1, longitudinally cutting device 2 and this transversally cutting device 3 are all driven by drive-motor.

Preferably, described transversally cutting device 3 comprises the 3rd rotating shaft 31 and horizontal blade 32, the 3rd rotating shaft 31 drives rotation perpendicular to delivery direction setting and by described drive-motor, and this horizontal blade 32 is arranged in described the 3rd rotating shaft 31 and is parallel to the axial direction due extension of described the 3rd rotating shaft 31.

In this preferred implementation, transversally cutting device 3 comprises the 3rd rotating shaft 31 and horizontal blade 32, the 3rd rotating shaft 31 and the first rotating shaft 11 and the second rotating shaft 21 arrange abreast, perpendicular to delivery direction, laterally blade 32 is parallel to the axial direction due setting of described the 3rd rotating shaft 31, and be connected in the 3rd rotating shaft 31 by longitudinal rod 34, this longitudinal rod 34 is along the radial direction setting of described the 3rd rotating shaft 31.

Under the driving of drive-motor, the 3rd rotating shaft 31 is rotated, thereby drives horizontal blade 32 to rotate, with by the material on transport unit 130 along transversally cutting.This horizontal blade 32 can be arrange along the circumferential direction of the 3rd rotating shaft 31 multiple, thereby by the material cutting on transport unit 130 is multiple parts of extending along horizontal direction.

Preferably, horizontal blade 32 is set to along the multiple of the circumferential direction setting of the 3rd rotating shaft 31 and is uniformly distributed, and multiple horizontal blades 32 are by circumference equal dividing.In order to improve the strength of joint of horizontal blade 32 and the 3rd rotating shaft 31, this longitudinal rod 34 can be set to multiple and be uniformly distributed along the length direction of the 3rd rotating shaft 31 (being axial direction due).

It should be noted that, each horizontal blade 32 has determined that by the umber of circumference equal dividing transversally cutting device 3, by the length of the part of material transversally cutting (taking delivery direction as length direction), can select and arrange according to the situation of practical application.

Preferably, described drive-motor is connected with described the first rotating shaft 11 by the first cycloidal planetary gear speed reducer 13, described drive-motor is connected with described the second rotating shaft 21 by the second cycloidal planetary gear speed reducer 23, and described drive-motor is connected with described the 3rd rotating shaft 31 by the 3rd cycloidal planetary gear speed reducer 33.

Cycloidal planetary gear speed reducer compact construction, volume is little, can save installing space, and higher reduction ratio can be provided, and efficiency is higher, and smooth running and noise are lower, and better performances and stable, is relatively applicable in industrial production.

According to the preferred embodiment of the present invention, the first rotating shaft 11, the second rotating shaft 21 and the 3rd rotating shaft 31 are connected with drive-motor with the 3rd cycloidal planetary gear speed reducer 33 by the first cycloidal planetary gear speed reducer 13, the second cycloidal planetary gear speed reducer 23 respectively.

Preferably, described feed mechanism also comprises screeding device 4, this screeding device 4 is arranged between described longitudinal cutting device 2 and described transversally cutting device 3, described screeding device 4 comprises perpendicular to delivery direction and is fixed on stationary shaft on described casing 120 41 and is connected to the scraper plate 42 on stationary shaft 41, and this scraper plate 42 is parallel to described stationary shaft 41 and arranges near described longitudinal cutting device 2.

In this preferred implementation, because the second rotating shaft 21 of longitudinal cutting device 2 drives longitudinal blade rotation, in the time that longitudinally blade 22 rotates, the tangential direction of the circumference that longitudinally end of blade 22 drive material surrounds along this end throws away.

When the effect of this screeding device 4 just prevents that longitudinal cutting device 2 from rotating, longitudinally the end of blade 22 drives material throw away and splash, and the material through longitudinal cutting device 2 cuttings can also be struck off.Therefore, this screeding device 4 is arranged between longitudinal cutting device 2 and transversally cutting device 3, and arranges near longitudinal cutting device 2, and more preferably, this screeding device 4 rotates near the end of described longitudinal blade 22 the circumference setting forming.

In this preferred implementation, screeding device 4 does not rotate, and is fixed on casing 120 by stationary shaft, and this scraper plate and stationary shaft are parallel to each other, all perpendicular to delivery direction.Those skilled in the art can arrange according to actual position the position of stationary shaft and scraper plate.

As shown in Figure 4 and Figure 5, the height of this stationary shaft in the vertical direction is lower than the second rotating shaft 21, and the height of scraper plate in the vertical direction is basic equal with the center of the second rotating shaft, and this scraper plate abuts against on the circumference that the end of longitudinal blade 22 rotates to form, can more effectively prevent like this materials from spattering, and the material on travelling belt is limited in certain altitude range.

Preferably, described feed mechanism also comprises Pneumatic knocking hammer 5, and this Pneumatic knocking hammer 5 is arranged on described hopper 110.

Pneumatic knocking hammer 5 is the conventional a kind of devices of processing industry (especially powder processing industry), for preventing that material from pipeline, hopper or feed bin conveying, adhesion or obstruction etc. occurring, and can or not produce operation and distortion to the wall of equipment.

Pneumatic knocking hammer 5 is by pressurized air and the mutual mating reaction of magnetic picture, promotes inner tup and hits hopper 110, falls so that material can not stick on the inwall of hopper 110 thereby make hopper 110 produce vibration from the discharge port of hopper 110.

Preferably, this Pneumatic knocking hammer 5 is arranged on the both sides that hopper 110 is relative symmetrically, thereby improves propagation efficiency and the effect of vibration.Certainly, can multiple Pneumatic knocking hammers 5 be set in position according to actual material physical properties.

Preferably, this e Foerderanlage comprises travelling belt, supporting member and drive unit, described drive unit drives described supporting member rotation, thereby drive described conveyer belt, this travelling belt comprises layer of silica gel 201 and silent chain flaggy 202, and this layer of silica gel 201 is arranged at the outermost layer of described travelling belt, and this silent chain flaggy 202 is arranged at the innermost layer of described travelling belt, described supporting member is gear, is formed with the driving groove 203 that can coordinate with the tooth of described gear on this silent chain flaggy 202.

E Foerderanlage of the present invention comprises travelling belt, supporting member and drive unit, drive unit drives supporting member rotation, strut member is connected with travelling belt, and the motivating force of drive unit is just delivered on travelling belt by supporting member like this, to drive travelling belt to move along delivery direction.

Travelling belt comprises layer of silica gel 201 and chain flaggy 202, this layer of silica gel 201 is arranged on the outermost of travelling belt, the namely annular of travelling belt outside surface towards the outside, because layer of silica gel 201 is mainly made up of silica gel material, its frictional force is large and be difficult for the sticky glutinous material being transferred, therefore compared with existing travelling belt, the surface of the easier layer of silica gel 201 from travelling belt of the present invention of material separates, and travelling belt of the present invention is more easily cleared up.Certainly, the outermost layer of silica gel of travelling belt can also adopt other materials to make, or is the synthetic or composition material of silica gel and other materials.

Travelling belt of the present invention also comprises chain flaggy 202, this chain flaggy 202 is arranged on the inner side of travelling belt, namely the annular of travelling belt is towards inner internal surface, to be connected with supporting member, this supporting member is preferably gear, correspondingly, on chain flaggy 2, be formed with the driving groove 203 that can coordinate with the tooth of gear.

Like this, conveyor belt loop is arranged on the outside of gear around ground, the chain flaggy 202 that is positioned at so the inner side of travelling belt is combined together with gear, and the tooth of gear is inserted in the driving groove 203 on chain flaggy 202, along with the rotation of gear, the tooth of gear promotes chain flaggy 202 and moves along delivery direction.

The outermost layer that the present invention only defines travelling belt is layer of silica gel 201, innermost layer is chain flaggy 202, but the travelling belt of this can also comprise the structure except layer of silica gel 201 and chain flaggy 202, the middle layer that other are for example set between layer of silica gel 201 and chain flaggy 202 connects and transmission, or directly layer of silica gel 201 and chain flaggy 202 are linked together, thereby layer of silica gel 201 can be moved along delivery direction together along with chain flaggy 202.

E Foerderanlage of the present invention can show superior characteristic in a lot of application scenarios.For example, in coal removal of impurities manufacture field, usually need coal to dewater, in this application scenario, travelling belt need to carry coal through this heating chamber, and is finally transported in collection device.Because existing travelling belt adopts elastomeric material conventionally, be heated easily aging, and easy and coal slime is sticked together not easily separated, on the top layer of travelling belt, conventionally leave residue, and not easy-clear of this residue, not only affect the transmission efficiency of coal material, and greatly shortened the life-span of travelling belt.And microwave current heating technique is application more and more widely in industrial circle, travelling belt need to carry material through microwave heating chamber, and in microwave heating process, in microwave heating chamber, can not have metal parts, therefore, existing travelling belt often can not be satisfied the demand.

And utilize travelling belt of the present invention, made by the larger material of frictional force as the layer of silica gel 201 directly contacting with the material betransporteding, for example silica gel, or the material of other similarities, or the synthetic or composition material of silica gel and other materials, taking silica gel material as example, frictional force is larger not only and between the material betransporteding, and Heat stability is good, under heating state, can there is not significant catabiosis, improve the work-ing life of travelling belt, and sticked together between the material can and not betransporteding, easily cleaning.In addition, chain flaggy 202 of the present invention can adopt plastic material to make, and not only cost is lower, and can be applied to the occasion of microwave heating.

By technique scheme, travelling belt of the present invention comprises layer of silica gel and chain flaggy, and layer of silica gel directly contacts with the material betransporteding, and chain flaggy coordinates to carry out transmission with supporting member.Layer of silica gel of the present invention adopts the materials such as silica gel to make, frictional force between the material that not only makes travelling belt and betransported is larger, and layer of silica gel and betransported and be difficult for adhesion between material, layer of silica gel is at thermotolerance and good stability, under the condition such as heated, can not occur serious aging, work-ing life is longer, and is applicable to the special occasions such as such as microwave heating.

Preferably, the upper surface of described layer of silica gel 201 is provided with side direction block 204, and this side direction block 204 extends along the length direction of described layer of silica gel 201, and is arranged on the both sides of the broad ways of described travelling belt.

In industrial production, the amount of the material of travelling belt transport is conventionally larger, in order to prevent that material is rolled down from travelling belt, in the preferred embodiment of the present invention, on the outside surface of travelling belt, namely in layer of silica gel 201, side direction block 204 is set, this side direction block 204 extends along delivery direction, namely extending around direction along travelling belt, and this side direction block 204 is relatively arranged on the both sides of the width of travelling belt, namely perpendicular to the both sides of delivery direction, thereby effectively the material betransporteding is limited on travelling belt.

In this preferred implementation, side direction block 204 preferably forms as one with layer of silica gel 201, that is to say that this side direction block 204 is identical with the material of layer of silica gel 201, also by silica gel material, there is the material of similarity, or made by the synthetic or combination of silica gel material and other materials.Certainly, above are only preferred situation, because side direction block 204 should have certain hardness, this side direction block 204 also can adopt the material different from layer of silica gel 201 to make, the material that for example adopts hardness to be greater than layer of silica gel 201 is made, or side direction block 204 also can link together and not form as one with layer of silica gel 201.Here, consider that this side direction block 204 exists and the problem that betransported material and contact equally, therefore this side direction block 204 also preferably adopts the material identical with layer of silica gel 201, so not only be not easy to betransported material adhesion and be convenient to cleaning, and be difficult for aging, work-ing life is longer, and side direction block 204 and layer of silica gel 201 to form as one be also can be convenient to manufacture and processing.

Preferably, described side direction block 204 extends along delivery direction undulate.

Known according to preferred implementation mentioned above, the effect of side direction block 204 is to prevent that the material that betransported on travelling belt from dropping to outside travelling belt, in industrial production, the amount of the material betransporteding is conventionally larger, and therefore side direction block 204 need to have certain hardness and intensity.The scheme of this preferred implementation is to start with to improve the intensity of this side direction block 204 from the structure of side direction block 204, make this side direction block 204 be formed as waviness, this waviness is extended along delivery direction, namely on the length direction of side direction block 204, form corrugated bending, thereby improve the intensity of side direction block 204 on the width of travelling belt, effectively prevent that the material betransporteding from dropping from travelling belt.

Preferably, described silent chain flaggy 202 comprises multiple toothed members 205, the axis of this toothed member 205 extends along the width of described travelling belt, on the periphery of described toothed member 205, be formed with the tooth perpendicular to the axis of described toothed member 205, mutually peg graft along the length direction of described travelling belt by described tooth along the described toothed member 205 that delivery direction is adjacent.

In this preferred implementation, provide the preferred structure of chain flaggy 202.Wherein, this chain flaggy 202 comprises multiple toothed members 205, the axis of this toothed member 205 extends along the width of travelling belt, on the periphery of toothed member 205, be formed with the tooth perpendicular to the axis of this toothed member 205, that is to say in the time that the axis of toothed member 205 is arranged along the width of travelling belt, the tooth of toothed member 205 extends along delivery direction, like this, between the adjacent toothed member 205 of delivery direction, just can mutually be plugged in together by this tooth, that is to say that chain flaggy 202 is along being interconnected and formed by multiple toothed members 205 on delivery direction.

Chain flaggy 202 will play the effect of supporting layer of silica gel 201 on the one hand, to match to play with gear on the other hand the effect of transmission, by preferably structure of above-mentioned chain flaggy 202, toothed member 205 can have certain rigidity with supporting layer of silica gel 201, preferably, this toothed member 205 is made up of engineering plastics.And this toothed member 205 can be adjacent to link together along delivery direction, adjacent toothed member 205 links together by the mutual grafting between tooth.Grafting between this tooth and tooth can allow to have rotary freedom between adjacent toothed member 205, that is to say that adjacent toothed member 205 can relatively rotate around the tie point of this tooth and tooth, thereby can allow can surround along the interconnective toothed member of delivery direction the chain flaggy 202 of closed annular.By suitably designing, can in the time that cooperatively interacting, toothed member 205 suitably arrange, and to form driving groove 203 on chain flaggy 202, can coordinate with this driving groove 203 as the tooth of the gear of supporting member, thereby drive travelling belt to move along delivery direction.

Preferably, described toothed member 205 comprises long toothed member 206 and short toothed member 207, and this long toothed member 206 and short toothed member 207 are arranged alternately alignedly along delivery direction central point, forms driving groove 203 with the both sides at described silent chain flaggy 202.

In this preferred implementation, toothed member 205 comprises long toothed member 206 and short toothed member 207, and the central point of this long toothed member 206 and short toothed member 207 arranges alignedly along delivery direction.Like this, both sides at short toothed member 207 have just all produced space, this short toothed member 207 arranges regularly spaced reciprocally with long toothed member 206, that is to say comprise some amount (the long toothed member group of for example long toothed member 206 m) with comprise that (the short toothed member group of for example short toothed member 207 n) arranges some amount spaced reciprocally, the space that is exactly so short toothed member 207 both sides arranges regularly, can long toothed member 206 and the size that rule is set adjusts this space of short toothed member 207, the quantity more (namely n is larger) of the short toothed member 207 that is for example adjacent to link together along delivery direction, this space is just larger, the long toothed member group connecting successively, the space that short toothed member group and long toothed member group surround is the driving groove 203 of chain flaggy 202.And, the driving groove 203 of the both sides of chain flaggy 202 arranges relatively symmetrically, correspondingly, be arranged on relatively symmetrically in pairs the both sides of broad ways of transmission corresponding with this driving groove 203 as the gear of supporting member, and a pair of gear synchronous being oppositely arranged rotate.

Preferably, described toothed member 205 also in series arranges along the width of described travelling belt, can not line up to arrange with the both sides at described silent chain flaggy 202 to form driving groove 203 along the adjacent described toothed member 205 of delivery direction.

Except preferred implementation mentioned above, the present invention also provides one preferred embodiment, wherein, this toothed member 205 not only can conjointly arrange successively along delivery direction, can also in series arrange along the width of travelling belt, that is to say the setting of coaxially connecting of multiple toothed members 205.In embodiment mentioned above, the length of long toothed member 206 and short toothed member 207 is substantially mutually corresponding with the width of travelling belt, and in the present embodiment, it is shorter that the length of toothed member 205 can arrange, multiple toothed members 205 are connected in series along the width of travelling belt, thereby can adjust as required the width of travelling belt, and avoid toothed member 205 long and cause intensity lower, exist the easy problem such as fracture, the volume of single toothed member 205 be can also reduce, transport, dismounting and maintenance and replacing are convenient to.

In this preferred implementation, between the toothed member 205 that is adjacent to connect along delivery direction, do not line up and arrange, that is to say that two toothed members 205 that are connected along delivery direction do not line up on the width of travelling belt, form driving groove in this way on chain flaggy 202.In preferred implementation as shown in the figure, for example, taking the toothed member 205 of certain one deck as the first layer, the second layer being adjacent along delivery direction misplaces to the right, and with the second layer along adjacent the 3rd layer dislocation to the left of delivery direction, namely the 3rd layer arranges mutually alignedly with the first layer, and with the 3rd layer along adjacent the 4th layer dislocation to the right of delivery direction, namely the 4th layer arranges mutually alignedly with the second layer.Like this, the first layer, the second layer and the 3rd layer have surrounded space in the left end of the second layer, i.e. driving groove 203, and the second layer, the 3rd layer and the 4th layer of right-hand end at the 3rd layer have surrounded space, i.e. driving groove 203.As can be seen here, the driving groove 203 that this preferred implementation forms is formed on the both sides of the width of chain flaggy 202 interlacedly.In like manner, also can be by shifting to install regularly between the toothed member of every one deck 205, correspondingly to adjust the size in space, for example, taking the toothed member 205 of certain one deck as the first layer, the n being adjacent along delivery direction layer misplaces with respect to the first layer mutually alignedly to the right, mutually misplace left with respect to the second layer to the n+1 layer alignedly since n layer of n+2 layer, namely arrange alignedly with the first layer, so just form larger driving groove 203, the size of this driving groove 203 is by the first layer, the second size to the space that n+1 layer and n+2 layer surround determines.

Preferably, described e Foerderanlage also comprises pedestal, and described supporting member is fixed on this pedestal, is also provided with electronic brush roll on described pedestal, and this electronic brush roll is driven by described drive-motor, and the outside surface of layer of silica gel described in can wiper.

The supporting member of e Foerderanlage is fixed on pedestal, and this pedestal can adopt any applicable structure, and microwave heating chamber 300 etc. all can be arranged on this pedestal.Because travelling belt surrounds annular structure, in the vertical direction, be positioned at the outside surface of part of the travelling belt of vertical top towards vertical top, be positioned at the outside surface of travelling belt part of vertical below towards vertical below, therefore electronic brush roll is arranged on pedestal, make the position that this electronic brush roll is relative with the outside surface of described travelling belt, in the time that drive-motor drives this electronic brush roll rotation, this electronic brush roll can clean the outside surface of travelling belt, namely the outside surface of layer of silica gel 201 is cleaned, so just can remove betransporteding the remnants of material on the outside surface of travelling belt.Especially for the larger material of viscosity, be easy to sticky bonding on the outside surface of travelling belt, material can be removed from transmitting the face that represents by this electronic brush roll, and collection container can be set by the material collection of removing.

It should be noted that, material on the outside surface of travelling belt is known to the mode of getting off is not limited to the above-mentioned embodiment exemplifying, can also, by as air knife, the material on the outside surface of travelling belt be blown down and be collected by air-flow, the present invention is not limited this.

As depicted in figs. 1 and 2, according to coal impurity removed system of the present invention, operator operate whole coal impurity removed system at microwave supervisory control desk.Each microwave generating apparatus 312 is connected with a microwave power supply respectively, so that microwave generating apparatus (being mainly magnetron) is powered, to produce microwave, micro-wave energy is sent to energy feed-in mouth 311 from microwave generating apparatus 312 by waveguide, then enters into the first chamber 301 and second chamber 302 of microwave heating chamber 300 by this energy feed-in mouth 311, on the other hand microwave supervisory control desk also with Temperature Humidity Sensor, camera, inflation mechanism, spray equipment 314 and vacuum fan 315 are electrically connected, like this, operator just can be by the detection signal of microwave supervisory control desk receiving sensor and camera, and will utilize control processor or artificially to process detection signal, produce control signal according to actual working condition, for example, in the time finding the coal feedstock generation burning in microwave heating chamber 300 or have burning trend, just control inflation mechanism and be filled with shielding gas in microwave heating chamber 300, and/or control spray equipment 314 and spray water in microwave heating chamber 300, or, in the time that the vapor content in discovery microwave heating chamber 300 is higher, start extractor fan, control vacuum fan 315 and start outside air draft, thereby Bas Discharged too high interior microwave heating chamber 300 humidity is arrived extraneous.In figure as shown in Figure 2, utilize power distribution cabinet to power to all electric installations, be included as the microwave power supply power supply of each microwave generating apparatus.In addition, this preferred implementation also comprises water tank and topping-up pump, and according to operator's control, topping-up pump can be worked, and so that the water pump in water tank is delivered in the spray water pipeline of spray equipment, or is pumped in microwave generating apparatus 312 to carry out cooling to it.

Preferably, described coal impurity removed system is for coal slime removal of impurities.And above-mentioned preferred implementation is mainly for carry out removal of impurities using coal slime as coal feedstock, but the coal feedstock of coal impurity removed system of the present invention is not limited to coal slime, and any coal feedstock that need to carry out removal of impurities can be applied in the present invention.

It should be noted that, coal impurity removed system of the present invention mainly designs taking coal-mining industry as object, also can the removal of impurities for unclassified stores by coal impurity removed system of the present invention on the basis of each device being carried out to adaptive amendment and adjustment, especially need the material of dehydration.

Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; 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 characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.

In addition, also can carry out arbitrary combination between various 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.

Claims (28)

1. a coal impurity removed system, it is characterized in that, this coal impurity removed system comprises feed mechanism (100), e Foerderanlage (200), microwave heating chamber (300) and collection device (400), described e Foerderanlage (200) is connected with described feed mechanism (100) and extends through described microwave heating chamber (300) and be connected with described collection device (400) along delivery direction, described microwave heating chamber (300) comprises the first chamber (301) and the second chamber (302), this first chamber (301) is positioned at described microwave heating chamber (300) one end near described feed mechanism (100), this second chamber (302) is positioned at the downstream of described the first chamber (301) along delivery direction, the power of the interior microwave of described the first chamber (301) is greater than the power of the interior microwave of described the second chamber (302),

Wherein, described feed mechanism (100) comprises hopper (110), be arranged on the casing (120) of the below of this hopper (110), be arranged on the transport unit (130) of below and the pedestal (140) of this casing of support (120) of this casing (120), the lower surface of described casing (120) is open, material in described hopper (110) can drop on described transport unit (130), whipping appts (1) is relatively arranged on the below of the discharge port of this hopper (110), this whipping appts (1) comprises the first rotating shaft (11) and agitating vane (12), this first rotating shaft drives rotation perpendicular to delivery direction setting and by drive-motor, it is upper and along the radially extension of described the first rotating shaft (11) that this agitating vane (12) is arranged on described the first rotating shaft (11), in described casing (120), be also provided with longitudinal cutting device (2), this longitudinal cutting device (2) is positioned at the downstream of described whipping appts (1) and is driven by described drive-motor along delivery direction.

2. coal impurity removed system according to claim 1, is characterized in that, the power 40KW of the interior microwave of described the first chamber (301), frequency 915MHz, the power 20KW of the interior microwave of described the second chamber (302), frequency 915MHz.

3. coal impurity removed system according to claim 1 and 2, it is characterized in that, described microwave heating chamber (300) is connected in series and is formed by multiple Cavity units, is provided with dividing plate described microwave heating chamber (300) is divided into described the first chamber (301) and described the second chamber (302) in described microwave heating chamber (300).

4. coal impurity removed system according to claim 3, it is characterized in that, the top of described the first chamber (301) and the second chamber (302) is provided with energy feed-in mouth (311), and this energy feed-in mouth (311) is connected with the outside microwave generating apparatus (312) that is arranged on described microwave heating chamber (300) by waveguide.

5. coal impurity removed system according to claim 4, it is characterized in that, the quantity of the described microwave generating apparatus (312) being connected with described the first chamber (301) is greater than the quantity of the described microwave generating apparatus (312) being connected with described the second chamber (302).

6. coal impurity removed system according to claim 4, is characterized in that, described microwave generating apparatus (312) is connected with described waveguide by choke joint, in described choke joint, has been filled with water.

7. coal impurity removed system according to claim 3, it is characterized in that, described coal impurity removed system also comprises microwave leakage restraining device (313), and this microwave leakage restraining device (313) arranges along described e Foerderanlage (200) at the entrance and exit place of described microwave heating chamber (300).

8. coal impurity removed system according to claim 3, it is characterized in that, described coal impurity removed system also comprises the inflation mechanism being connected with described the first chamber (301) and the second chamber (302), and this inflation mechanism can be filled with the gas that stops coal burning in described the first chamber (301) and the second chamber (302).

9. coal impurity removed system according to claim 8, is characterized in that, described gas is nitrogen.

10. coal impurity removed system according to claim 1, it is characterized in that, described coal impurity removed system also comprises the spray equipment (314) being connected with described the first chamber (301) and the second chamber (302), and this spray equipment (314) can be to spray water in described the first chamber (301) and the second chamber (302).

11. coal impurity removed systems according to claim 10, is characterized in that, the speed of described spray equipment (314) spray water is for being more than or equal to 500L/min.

12. coal impurity removed systems according to claim 3, it is characterized in that, described coal impurity removed system also comprises the exhaust device being connected with described the first chamber (301) and the second chamber (302), and this exhaust device can be discharged the water vapor in described the first chamber (301) and the second chamber (302).

13. coal impurity removed systems according to claim 12, it is characterized in that, described exhaust device comprises vacuum fan (315), and this vacuum fan (315) is connected by pipeline and described the first chamber (301) and the second chamber (302).

14. coal impurity removed systems according to claim 3, it is characterized in that, described coal impurity removed system also comprises temperature-humidity detecting device, this temperature-humidity detecting device comprises temperature sensor and/or humidity sensor, and this temperature sensor and/or humidity sensor are arranged in described the first chamber (301) and the second chamber (302).

15. coal impurity removed systems according to claim 3, it is characterized in that, described coal impurity removed system also comprises video monitoring device, and this video monitoring device comprises camera head, and this camera head is at least arranged on the entrance and exit place of described microwave heating chamber (300).

16. coal impurity removed systems according to claim 1, it is characterized in that, described longitudinal cutting device (2) comprises the second rotating shaft (21) and longitudinal blade (22), this second rotating shaft (21) drives rotation perpendicular to delivery direction setting and by described drive-motor, and this longitudinal blade (22) is arranged on described the second rotating shaft (21) above and extends along the radial direction of described the second rotating shaft (21).

17. coal impurity removed systems according to claim 16, it is characterized in that, in described casing (120), be also provided with transversally cutting device (3), this transversally cutting device (3) is positioned at the downstream of described longitudinal cutting device (2) and is driven by described drive-motor along delivery direction.

18. coal impurity removed systems according to claim 17, it is characterized in that, described transversally cutting device (3) comprises the 3rd rotating shaft (31) and horizontal blade (32), the 3rd rotating shaft (31) drives rotation perpendicular to delivery direction setting and by described drive-motor, and this horizontal blade (32) is arranged on described the 3rd rotating shaft (31) go up and is parallel to the axial direction due extension of described the 3rd rotating shaft (31).

19. coal impurity removed systems according to claim 18, it is characterized in that, described drive-motor is connected with described the first rotating shaft (11) by the first cycloidal planetary gear speed reducer (13), described drive-motor is connected with described the second rotating shaft (21) by the second cycloidal planetary gear speed reducer (23), and described drive-motor is connected with described the 3rd rotating shaft (31) by the 3rd cycloidal planetary gear speed reducer (33).

20. coal impurity removed systems according to claim 18, it is characterized in that, described feed mechanism also comprises screeding device (4), this screeding device (4) is arranged between described longitudinal cutting device (2) and described transversally cutting device (3), described screeding device (4) comprises perpendicular to delivery direction and is fixed on the stationary shaft (41) on described casing (120) and is connected to the scraper plate (42) on stationary shaft (41), this scraper plate (42) is parallel to described stationary shaft (41) and arranges near described longitudinal cutting device (2).

21. coal impurity removed systems according to claim 1, is characterized in that, described feed mechanism also comprises Pneumatic knocking hammer (5), and this Pneumatic knocking hammer (5) is arranged on described hopper (110).

22. coal impurity removed systems according to claim 3, it is characterized in that, this e Foerderanlage comprises travelling belt, supporting member and drive unit, described drive unit drives described supporting member rotation, thereby drive described conveyer belt, this travelling belt comprises layer of silica gel (201) and silent chain flaggy (202), this layer of silica gel (201) is arranged at the outermost layer of described travelling belt, this silent chain flaggy (202) is arranged at the innermost layer of described travelling belt, described supporting member is gear, on this silent chain flaggy (202), be formed with the driving groove (203) that can coordinate with the tooth of described gear.

23. coal impurity removed systems according to claim 22, it is characterized in that, the upper surface of described layer of silica gel (201) is provided with side direction block (204), this side direction block (204) extends along the length direction of described layer of silica gel (201), and is arranged on the both sides of the broad ways of described travelling belt.

24. coal impurity removed systems according to claim 23, is characterized in that, described side direction block (204) extends along delivery direction undulate.

25. coal impurity removed systems according to claim 22, it is characterized in that, described silent chain flaggy (202) comprises multiple toothed members (205), the axis of this toothed member (205) extends along the width of described travelling belt, on the periphery of described toothed member (205), be formed with the tooth perpendicular to the axis of described toothed member (205), mutually peg graft along the length direction of described travelling belt by described tooth along the described toothed member (205) that delivery direction is adjacent.

26. coal impurity removed systems according to claim 25, it is characterized in that, described toothed member (205) comprises long toothed member (206) and short toothed member (207), this long toothed member (206) and short toothed member (207) are arranged alternately alignedly along delivery direction central point, form driving groove (203) with the both sides at described silent chain flaggy (202).

27. coal impurity removed systems according to claim 25, it is characterized in that, described toothed member (205) also in series arranges along the width of described travelling belt, can not line up to arrange with the both sides at described silent chain flaggy (202) to form driving groove (203) along the adjacent described toothed member (205) of delivery direction.

28. coal impurity removed systems according to claim 1, is characterized in that, described coal impurity removed system is for coal slime removal of impurities.