CN103769370B - Anhydrous explosion-proof raw coal separation machine - Google Patents
Anhydrous explosion-proof raw coal separation machine Download PDFInfo
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- CN103769370B CN103769370B CN201410040282.8A CN201410040282A CN103769370B CN 103769370 B CN103769370 B CN 103769370B CN 201410040282 A CN201410040282 A CN 201410040282A CN 103769370 B CN103769370 B CN 103769370B
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Abstract
The invention discloses a kind of anhydrous explosion-proof raw coal separation machine.Comprise explosion-proof damp-proof electric appliances interlocker, the explosion-proof distributor of raw coal, explosion-proof dust removal unit, raw coal discharge refuse desulfurization conveyer, the explosion-proof sniffer of X-ray, X-ray explosion-proof protection against the tide identification coal separation signal generator, explosion-proof noise elimination discharge refuse machine, spoil inorganic sulfur conveyer and cleaned coal conveyer.Raw coal is transported on raw coal discharge refuse desulfurization conveyer by the explosion-proof moistureproof distributor of raw coal, by
241the 59.5kev monochromatic x-rays of Am radiation and each composition of non-aqueous technique identification raw coal, and send to explosion-proof noise elimination discharge refuse machine and get rid of signal and get rid of spoil block in raw coal and inorganic sulphur-cake, obtain the cleaned coal be made up of clean coal block and fine coal.Spoil block and inorganic sulphur-cake are retained in underground coal mine by the present invention, not only reduce the disposal cost of spoil, and considerably reduce the discharge of coal smoke and sulfur dioxide gas to the impact of environment, also reduce coal separation cost and power consumption simultaneously.
Description
Technical field
The present invention relates to a kind of coal separator, particularly the anhydrous explosion-proof raw coal separation machine of one.
Background technology
Till now for this reason, domestic and international widely used wet process coal cleaning machine and wet dressing machine due to volume very large, recirculated water consumption is many, both cannot arrive coal washing at the bottom of coal mine, also cannot other other mineral products of mine down-hole washing beyond colliery.The pneumatic dry separator jigging coal picker of domestic use can only the easy coal separation of anhydrous sorting, can not sorting is medium can coal separation and difficult separation coal, underground coal mine sorting raw coal can not be arrived.Other with
241am or
238the anhydrous coal picker of each composition of Pu lower energy photon identifing source raw coal, equal to not installing explosion-proof damp-proof installation facility, the technical equipment reducing methane gas concentration is not set in identification sorting two critical processes of coal picker, there is no arc extinguishing oise-reducing means, there is no cleaner, underground coal mine coal separation can not be arrived.
Summary of the invention
The major defect of the anhydrous coal separation of underground coal mine can not be arrived for existing coal preparation technology equipment, the invention provides a kind of civilian non-powered Application of Nuclear Technology high tech equipment---anhydrous explosion-proof raw coal separation machine.Can other on-radiation mineral products beyond intelligent anhydrous sorting raw coal, can also other on-radiation mineral products beyond coal mine well port and ground intelligent sorting raw coal and raw coal
The technical scheme that the present invention solves the problems of the technologies described above is: the explosion-proof separator of a kind of anhydrous raw coal, (raw coal related to below is clean coal block to the inorganic sulphur-cake of spoil in underground coal mine Coal Transport in anhydrous eliminating raw coal, spoil block, the mixture of inorganic sulphur-cake and fine coal composition), make the cleaned coal that colliery can form to all kinds of coal-fired user's direct marketing clean coal and fine coal at the coal mining well head of oneself, enter according to raw coal, cleaned coal goes out, the requirement of the technique of the anhydrous coal separation of the underground coal mine that spoil inorganic sulfur moves back, the invention is characterized in: it comprises the explosion-proof damp-proof electric appliances interlocker 1 being arranged on same level height and sequential series, the explosion-proof distributor 2 of raw coal, explosion-proof dust removal unit 3, raw coal discharge refuse desulfurization conveyer 4, the explosion-proof sniffer 5 of X-ray, the explosion-proof protection against the tide of X-ray identifies coal separation signal generator 6, explosion-proof noise elimination discharge refuse machine 7, spoil inorganic sulfur conveyer 8 and cleaned coal conveyer 9, the explosion-proof distributor of raw coal 2 comprises two-tube explosion-proof coal supply unit 21, raw coal bucket 22, the anti-supplying machine 23 of raw coal, raw coal on underground coal supply line is separated part or all and is transported in raw coal bucket 22 by the explosion-proof supplying machine 23 of raw coal, is transported to by raw coal in each bar raw coal groove of the run-in synchronism adhesive tape 26 of raw coal discharge refuse desulfurization conveyer 4 by two-tube coal supply unit 21 stably, raw coal discharge refuse desulfurization conveyer 4 is that the present invention carries out the conveying machine of discharge refuse desulfurization to raw coal, it comprises electrodeless variable-speed anti-explosion electric cylinder 25, run-in synchronism adhesive tape 26, correction edger roll group 27, flat idler group 28, frame 29, follower rollers 30 and explosion-proof guard shield 31, be fastened to correction edger roll group 27 in frame and flat idler group 28 all coordinates electrodeless variable-speed anti-explosion electric cylinder 25 and follower rollers 30, by run-in synchronism adhesive tape 26 within the departing from and be strictly limited in positive and negative 1mm of horizontal cross, mark soft X source group is made to aim at the corresponding detection center of circle of the explosion-proof moistureproof detector set of raw coal in each radiation center of circle straight up, thus can ensure that the line in above-mentioned two groups of vertical centers of circle overlaps completely with bar raw coal groove center line each on run-in synchronism adhesive tape for a long time, make mark soft X source group and the explosion-proof moistureproof detector set of raw coal to the correct recognition rata of each composition of raw coal close to 100%, the explosion-proof sniffer of X-ray 5 is that the present invention utilizes the soft X-ray bundle of mark to carry out the civilian non-powered nuclear detection technology equipment of explosion-proof detection and identify process to each compositions such as the clean coal block in raw coal, spoil block, inorganic sulphur-cake and fine coal, it comprises scattering division board group 17, identify soft X source group 18, the explosion-proof moistureproof detector set 19 of raw coal, the explosion-proof detector shield room 20 of raw coal, scattering division board group 17 absorbs whole soft X source groups 18 of mark
241the monochromatic soft X-ray bundle of the 59.5kev of Am radiation is to the scattered beam of all directions scattering, eliminate the interference of various spreading beam to the detection data of the explosion-proof moistureproof detector set 19 of raw coal, the upper all around light beam waiting protective plate 59.5kev in ABSORPTION AND SCATTERING to all directions in five directions of the explosion-proof detector shield room 20 of raw coal, ensure that operating personnel exempt the irradiation of scattering X-ray bundle, again for preventing this detector shield room from methane gas blast occurring, the explosion-proof sniffer of X-ray 5 is as follows with the operation principle of the explosion protection system that explosion-proof guard shield 31 forms: be connected with the earth with the explosion-proof sniffer 5 of raw coal by raw coal discharge refuse desulfurization conveyer 4, they are less than 4 ohm with the earth resistance of the earth, explosion-proof guard shield 31 is good with the electrical contact of raw coal discharge refuse desulfurization conveyer 4, scattering division board group 17 all insulate with the miscellaneous part of the explosion-proof sniffer 5 of X-ray, each piece in scattering division board group 17 is connected into a conductor combination mutually with wire, and it is affixed with+24 volts of low-voltage dc power supply 32, the negative pole of this low-voltage dc power supply is connected with the earth, during work, the soft X-ray bundle of mark of mark soft X source group 18 radiation in raw coal explosion-proof detector shield room 20, photoelectric effect is produced in air in the cavity of the explosion-proof detector shield room (20) of raw coal, the electronegative photoelectron e-that photoelectric effect produces all is absorbed by the scattering division board group 17 of positively charged+24 volt immediately, the oxonium ion O of positively charged
+, O
+ 2, O
+ 4with Nitrogen ion N
+, N
+ 2, N
+ 3also oxygen O is reduced to by the raw coal explosion-proof detector shield room 20 that greatly connects and explosion-proof anti-cover 31 immediately
2(g) and nitrogen N
2(g), also there is electronegative photoelectron e-, hydrogen atom H and carbon ion C in the methane gas that identified soft X-ray bundle dissociates
+, C
+ 2, C
+ 3, C
+ 4, and photoelectron e-is absorbed by the scattering division board group 17 be connected with the positive pole of low-voltage dc power supply, the carbon ion C of positively charged
+, C
+ 2, C
+ 3, C
+ 4renewable sources of energy solid carbon C (s) are reduced to by the blast shield wallboard of raw coal explosion-proof detector shield room 20 and explosion-proof guard shield 31, and hydrogen ion H forms hydrogen H very soon
2(g), and the gasification synthetic water steam molecule in the cavity of room 20 is covered with the explosion-proof detection of raw coal, therefore, the structure of the soft X source group 18 of the mark of raw coal of the present invention explosion-proof detector shield room 20 and explosion-proof guard shield 31 inner chamber and low-voltage dc power supply 32 significantly can reduce the methane gas concentration of device interior, extract the low concentration gas air in raw coal explosion-proof detector shield room 20 and explosion-proof guard shield 31 continuously out with the air exhauster of explosion-proof dust removal unit, workplace of the present invention will be made to exempt gas hazard, the explosion-proof protection against the tide of X-ray identifies that coal separation signal generator 6 is the kernel analysis instruments of the Gaussian Profile signal that process of the present invention accepts from raw coal explosion-proof detector, it comprises low-voltage dc power supply 32, adjustable high voltage D. C 33, linear amplifier 34, digital frequency meter 35, height frequency changer 36, Big Dipper positioner 37, automatic charging device 38, time normalizing electronic impulser 39, the explosion-proof moistureproof cabinet 40 of instrument, the various data detected are passed to linear amplifier 34 by the explosion-proof moistureproof detector set 19 of raw coal, again by signal transmission to digital frequency meter 35, pass to height frequency changer 36 again, first output of height frequency changer 36 enters the accurate longitude and latitude that Big Dipper positioner 37 monitors the soft X source group 18 of mark, second output and the Big Dipper positioner 37 of height frequency changer 36 monitor the accurate location that the explosion-proof protection against the tide of X-ray identifies coal separation signal generator 6 jointly, and be responsible for the charging function starting automatic charging device 38, 3rd output of height frequency changer 36 is connected with the input of time normalizing electronic impulser 39, the information components of time normalizing electronic impulser 39 and digital processing system ensure each spoil pulse and inorganic sulphur-cake pulse, the arc extinguishing noise elimination discharge refuse connection rod set of explosion-proof noise elimination discharge refuse machine 7 is all made to produce a discharge refuse desulfurization mechanical action, make spoil block elimination factor of the present invention and inorganic sulphur-cake removal efficiency up to about 90%, the explosion-proof moistureproof cabinet 40 of instrument can make the explosion-proof protection against the tide of identification coal separation signal generator, ensure that nuclear instrument has high analyte precision at the underground coal mine of humidity, explosion-proof noise elimination discharge refuse machine 7 is executing agencies of discharge refuse desulfurization of the present invention, it comprises spoil fine coal bolter 12, cleaned coal baffle plate 13, arc extinguishing noise elimination discharge refuse connection rod set 14, horizontal fixed axis 16, arc extinguishing noise elimination tractive magnet 15, when time normalizing electronic impulser 39 exports a pulse, the sucking coil of arc extinguishing noise elimination tractive magnet 15 makes its armature draw connecting rod 43 straight down immediately, arc extinguishing noise elimination discharge refuse connection rod set 14 is made to impact the inorganic sulphur-cake 11 of spoil around horizontal fixed axis 16, in the front of any one connecting rod of arc extinguishing noise elimination discharge refuse connection rod set 14, noise elimination sheet rubber 42 is all installed, the armature of arc extinguishing noise elimination tractive magnet 15 is installed with noise elimination rubber grommet 44, cross cleaned coal baffle plate 13 immediately when the impact that the inorganic sulphur-cake 11 of spoil is subject to arc extinguishing noise elimination discharge refuse connection rod set 14 is launched and fly to spoil fine coal bolter 12, the inorganic sulphur-cake 11 of spoil drops on the feeding adhesive tape of cleaned coal conveyer 9 through sieve plate hole after coming off with fine coal in the collision process in sieve plate face, the inorganic sulphur-cake 11 of spoil removing fine coal slips on the transportation rubber belt of spoil inorganic sulfur conveyer 8 from spoil fine coal bolter 12 plate, then is transported to the room needing landfill.
Further, above-mentioned anhydrous explosion-proof raw coal separation machine, described explosion-proof damp-proof electric appliances interlocker 1 comprises PLC, explosion-proof moistureproof rack, 3 phase AC solid electrical equipment dropping resistor, light emitting diode, electrothermal relay, fuse, bipolar band switch, the break contact wire of whole electrothermal relay is concatenated into path, after the serial connection starting point of path is connected with the first moving plate 45 of bipolar band switch and the second moving plate 46, affixed with the DC potential zero volt terminal OV of PLC again, serial connection path terminal and the control separately of whole solid-state relay are born affixed, affixed with the negative pole of each light emitting diode again, the positive pole of each light emitting diode and the control positive pole of three-phase solid circuit closer affixed, one end of each dropping resistor and the positive pole of each light emitting diode affixed, the output of the heater element of each electrothermal relay is affixed with the input of corresponding three-phase alternating-current motor, the input of each 3 phase AC solid relay and one end of each fuse affixed, the other end and the main circuit output-parallel of each fuse draw admittedly, and main circuit end is electrically connected with city through air switch Q, the quantity of the output winding Yi of PLC is greater than 16, i=1,2 ..., 16,17 ..., the input coil Xj quantity of PLC is greater than 43, j=0,1,2 ..., 43, the whole dynamo-electric portion of explosion-proof damp-proof electric appliances interlocker 1 and part are all arranged in explosion-proof moistureproof rack, and the input and output power cable of main circuit is anti-explosion cable.
Further, above-mentioned anhydrous explosion-proof raw coal separation machine, the soft X-ray bundle of described mark be americium-241 namely
241the monochromatic soft X-ray bundle of 59.5kev of Am radiation, or
241am and plutonium-238 are namely
238the mixing source of Pu two kinds of nucleic compositions.
Described intellectuality anhydrous sorting raw coal make to utilize wavelength be into the soft X-ray of mark to irradiate effective atomic number be Z
efmaterial, the probability absorbing X-ray bundle be proportional to into
3with Ze
4the product of f enters
3z
e 4 f=C enters
3z
e 4 fwhen certain limit changes, C is constant, Z
efcan change; Therefore, the present invention also can on-radiation mineral products beyond underground coal mine and coal mine well port and ground sorting raw coal.
The explosion-proof noise elimination discharge refuse machine that described arc extinguishing noise elimination tractive magnet is formed, also can be gone to get rid of the inorganic sulphur-cake of spoil in raw coal by arc extinguishing pneumatic anti-explosion is electromagnetic air valve of eliminating the noise.
Described explosion-proof dust removal unit is done except fuel except collecting fine coal particulate, also can collect other mineral products dust and do the raw material of industry, improve the utilization rate of mineral products resource; The low concentration gas air in raw coal blast shield room and explosion-proof guard shield is extracted continuously out, by the harm making workplace of the present invention exempt methane gas blast with the air exhauster of explosion-proof dust removal unit; The cavity structure of low-voltage dc power supply positive pole of the present invention and exhausting X-ray bundle ionization device in Gas is generalized to high concentration gas down-hole, colliery, also can reduces the harm of methane gas blast.
Authority detects the unit equipment such as 470A-six.y dosemeter in detection
241the 59.5kev of Am radiation with
238pu composition the amount of radiation of the soft X-ray bundle of mark of mixing radioactivity common radiation time, the front and back of source container under source container is in sealing condition, left and right, the up and down radiation level on each surface are background, on average be less than 0.5usv/h at the radiation level opening radioactive source and make each overcoat surface, raw coal explosion-proof detector shield room under the condition of radioactive source work, meet regulation and the requirement of country " ionization radiation protection and the safe basic standard of radiation source " (GB18871-2002).
Water is the objectionable impurities in coal.National Specification: the moisture in the cleaned coal that modern wet process coal cleaning machine is produced is 12%---13%, the moisture in special user and Export Coal is lower than 8%---and 9%.Anhydrous coal preparation technique of the present invention makes coal bases save groundwater resources, avoids the secondary pollution of black water to environment and the loss of coal slime, and saves a large amount of freight-transport capacity for national, also improves the quality of coal bases cleaned coal.The present invention uses and does not consume electric energy and mechanical energy, price is low, the life-span is long, the nucleic of easily protection
241am with
238the each composition of mark soft X-ray identification coal of Pu radiation, makes coal separation consumption rate be only 2kwh/t. and the electric power that modern wet process coal cleaning machine mechanical movement identification raw coal consumes is about three times of the present invention, and the present invention is a kind of energy-saving coal picker.The operating ambient temperature of modern wet coal preparation machine is+1 DEG C---+40 DEG C, not cold-resistant resistance to frost, once temperature drops to 0 DEG C, wash water freezes, and must stop coal separation, make modern wet coal preparation machine can only maintain seasonal production, utilization rate of equipment and installations is low, and anhydrous coal preparation technique of the present invention makes its operating ambient temperature expand to-40 DEG C---+40 DEG C, there is fabulous cold-resistant resistance to frost, can be gone into operation in all parts of the world coal separation throughout the year, increased substantially the utilization rate of equipment.In the second the shortest coal separation time about 180 of modern wet coal preparation machine, in maximum duration about 9 second of anhydrous coal preparation technique of the present invention, be 1/20th of the modern wet coal preparation time, increased substantially production efficiency.The volume of modern wet coal preparation machine is very large, and equipment manufacturing cost is expensive, and medium and small colliery is difficult to build wet coal preparation factory, and small in volume of the present invention, fixed assets investment is about 1/2nd of wet coal preparation machine, and medium and small colliery is afforded and afforded to use.The coal separation cost about 30 yuan/ton of modern wet coal preparation machine, coal separation cost of the present invention about 10 yuan/ton is 1/3rd of modern wet coal preparation machine.The modern spoil elimination factor of wet coal preparation machine and the disengaging rate of inorganic sulfur are 50%---70%, and spoil block elimination factor of the present invention and inorganic sulphur-cake extrusion rate are about 90%, higher by 20 than modern wet coal preparation machine---and 40 percentage points.The clean coal recovery of modern wet coal preparation machine is about 94%, and clean coal recovery of the present invention about 98% is higher than modern wet coal preparation machine four percentage points, and the present invention has energy-conservation, water saving, reduced investment, low running cost, resist cold the advantage such as antifreeze.Domestic also can only the easy coal separation of anhydrous sorting small grain size level at the air jigging coal picker used, and can not sorting is medium can coal separation and difficult separation coal, the scope of application is too little, can not arrive underground coal mine coal separation.The present invention's wavelength be into X-ray bundle go irradiate effective atomic number be Z
efmaterial, the probability absorbing X-ray bundle is proportional to combinatorial formula and enters
3z
e 4 fthe size of numerical value, therefore, the present invention not only can anhydrous sorting raw coal, and can on-radiation mineral products beyond sorting coal.In addition, continuously extract the low concentration gas air in raw coal explosion-proof detector shield room cavity and explosion-proof guard shield out with the air exhauster of explosion-proof dust removal unit, the harm exploded from methane gas in workplace of the present invention can be made; Other are local aforementioned structure to be generalized to product down-hole, colliery, also can reduce the harm of gas to colliery.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the structural representation of the raw coal discharge refuse desulfurization conveyer of the embodiment of the present invention.
Fig. 3 is the frame structure schematic diagram that the explosion-proof protection against the tide of the X-ray of the embodiment of the present invention identifies coal separation signal generator.
Fig. 4 is the structural representation of one of the arc extinguishing noise elimination discharge refuse connection rod set of the embodiment of the present invention.
Fig. 5 is the armature structure schematic diagram of the arc extinguishing noise elimination tractive magnet of the embodiment of the present invention.
Fig. 6 is the connection diagram of the explosion-proof damp-proof electric appliances interlocker circuit of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples the present invention is described in further detail describe.
See Fig. 1, Fig. 2 and Fig. 3, the present invention includes and be arranged at same level height down-hole to the left or to the right on underground coal mine Coal Transport line, anhydrous coal separation production line place splitter section or all raw coal conveying equipment facility, enter raw coal bucket 22 after on the conveyer belt that raw coal 24 is transported to the explosion-proof supplying machine 23 of raw coal of the explosion-proof distributor of raw coal 2 by down-hole raw coal conveying equipment, by two-tube explosion-proof coal supply unit 21, raw coal 24 is transported to reposefully in each bar raw coal groove of the run-in synchronism adhesive tape 26 of raw coal discharge refuse desulfurization conveyer 4, raw coal discharge refuse desulfurization conveyer 4 comprises electrodeless variable-speed anti-explosion electric cylinder 25, run-in synchronism adhesive tape 26, correction edger roll group 27, flat idler group 28, frame 29, follower rollers 30 and explosion-proof guard shield 31 all fastener are fastened in frame 29, and above five electromechanical components all have good electrical contact with frame 29, frame 29 is connected with the earth, and its earth resistance must be less than 4 ohm, ensures the safety utilization of electric power of operating personnel, and makes mark soft X-ray bundle ionization methane gas have enough ionization current intensity, correction edger roll group 27 and flat idler group 28 all coordinate electrodeless variable-speed anti-explosion electric cylinder 25 and follower rollers 30, by run-in synchronism adhesive tape 26 horizontal lateral deviation be strictly limited in ± interval of 1mm in, make the correct recognition rata of mark soft X source group 18 and the explosion-proof moistureproof detector set of raw coal 19 pairs of each compositions of raw coal 24 close to 100%, the explosion-proof detector shield room 20 of raw coal that the explosion-proof sniffer of X-ray 5 comprises scattering division board group 17, identifies soft X source group 18, the explosion-proof moistureproof detector set 19 of raw coal and earth resistance are less than 4 ohm, scattering division board group 17 is made with the metallic plate that atomic number is lower, every block is affixed with the+24V terminal of low-voltage dc power supply 32 again after being all connected in series mutually with wire, the negative pole of low-voltage dc power supply 32 is connected with the earth, its earth resistance is less than 4 ohm, and this scattering division board group 17 not only can absorb all soft X source groups 18 of mark
124the scattered beam of the soft X-ray bundle of mark of the 59.5kev of Am radiation, and the photoelectron e-of the methane gas generation of being dissociated by the soft X-ray bundle of mark in raw coal explosion-proof detector shield room 20 can also be absorbed, to dissociate in raw coal explosion-proof detector shield room 20 inner photoeffect the size of ionization current of methane gas molecule, represented by the reading of the ionization current table corresponding to+24v of low-voltage dc power supply 32, photoelectric effect dissociate methane gas molecule produce carbon ion C
+, C
+ 2, C
+ 4renewable sources of energy solid carbon C (s) are reduced to by the cavity protection barrier shield of the explosion-proof moistureproof detector shield room 20 of raw coal be connected with the earth, photoelectric effect dissociate methane gas produce hydrogen atom H form hydrogen H very soon
2(g), hydrogen H
2(g) and the oxygen O in the explosion-proof moistureproof detector shield room 20 of raw coal
2g () is combined to water vapour H
2o (g), these water vapour molecules, outside raw coal and cleaned coal, can not increase the moisture of cleaned coal, the dissociate various gases of after damp of photoelectric effect are extracted out outside the explosion-proof detector shield room 20 of raw coal by explosion-proof dust removal unit 3, therefore, the both positive and negative polarity structure of raw coal of the present invention explosion-proof detector shield room 20, explosion-proof guard shield 31 and low-voltage dc power supply 32 significantly can reduce the mash gas concentration of cleaning unit inside, the low concentration gas air in raw coal explosion-proof detector shield room 20 and explosion-proof guard shield 31 is extracted out, by the harm making workplace of the present invention exempt methane gas blast with explosion-proof dust removal unit 3, the various data detected are transferred to the linear amplifier 34 that the explosion-proof protection against the tide of X-ray identifies coal separation signal generator 6 by the explosion-proof moistureproof detector set 19 of raw coal, the explosion-proof protection against the tide of X-ray identifies that coal separation signal generator 6 comprises low-voltage dc power supply 32, adjustable high voltage D. C 33, linear amplifier 34, digital frequency meter 35, height frequency changer 36, Big Dipper positioner 37, automatic charging device 38, time normalizing electronic impulser 39, the explosion-proof moistureproof cabinet 40 of instrument, height frequency changer 36 is passed to again after signal is passed to digital frequency meter 35 by the linear amplifier 34 that can receive Gaussian Profile pulse signal, the output signal of height frequency changer 36 first output enters the accurate longitude and latitude that Big Dipper positioner 37 monitors the soft X source group 18 of mark, the output signal of the second output of height frequency changer 36 and the output signal of Big Dipper positioner 37 monitor the accurate location that the explosion-proof protection against the tide of X-ray identifies coal separation signal generator 6 jointly, and be responsible for the charging function starting automatic charging device 38, 3rd output of height frequency changer 36 is connected with the input of time normalizing electronic impulser 39, the information components of time normalizing impulse generator 39 and digital processing system ensure each spoil block pulse and inorganic sulphur-cake pulse, the arc extinguishing noise elimination discharge refuse connection rod set 14 of explosion-proof noise elimination discharge refuse machine 7 is all made to produce a discharge refuse desulfurization mechanical action, make spoil block elimination factor of the present invention and inorganic sulphur-cake extrusion rate all up to about 90%, the explosion-proof moistureproof cabinet 40 of instrument makes the explosion-proof protection against the tide of this identification coal separation signal generator 6, ensure that nuclear instrument still has high analyte precision at the underground coal mine of humidity.
See Fig. 1, Fig. 4, and Fig. 5, explosion-proof noise elimination discharge refuse machine 7 comprises spoil fine coal bolter 12, cleaned coal baffle plate 13, arc extinguishing noise elimination discharge refuse bar group 14, arc extinguishing noise elimination tractive magnet 15 and horizontal fixed axis 16, when time normalizing electronic impulser 39 exports a pulse, the sucking coil energising of arc extinguishing noise elimination tractive magnet 15, make its armature draw connecting rod 43 straight down to tow arc extinguishing noise elimination discharge refuse connection rod set 14 and impact the inorganic sulphur-cake 11 of spoil around horizontal fixed axis 15 and in the front of any one connecting rod of arc extinguishing noise elimination discharge refuse connection rod set 14, noise elimination sheet rubber 42 is all installed, at the reverse side of any one connecting rod of arc extinguishing noise elimination discharge refuse connection rod set 14, arc extinguishing rubber slab 41 is all installed, the armature of arc extinguishing noise elimination tractive magnet 15 is installed with noise elimination rubber grommet 44, cross cleaned coal baffle plate 13 immediately when the impact that the inorganic sulphur-cake 11 of spoil is subject to arc extinguishing noise elimination discharge refuse connection rod set 14 is launched and fly to spoil fine coal bolter 12, the inorganic sulphur-cake 11 of spoil drops on the feeding adhesive tape of cleaned coal conveyer 9 through sieve plate hole after coming off with fine coal in the collision process in sieve plate face, the inorganic sulphur-cake 11 of spoil removing fine coal slips on the transportation rubber belt of spoil inorganic sulfur conveyer 8 from the sieve plate of spoil fine coal bolter 12, be transported to the room needing landfill again, cleaned coal 10 is transported to coal mine well port and is supplied to coal-fired user by cleaned coal conveyer 9.
See Fig. 6, explosion-proof damp-proof electric appliances interlocker 1 comprises PLC, explosion-proof moistureproof rack, 3 phase AC solid relay, dropping resistor, light emitting diode, electrothermal relay, fuse, bipolar band switch, the break contact wire of whole electrothermal relay is concatenated into path, be concatenated into after the starting point of path is connected with the first moving plate 45 of bipolar waved switch and the second moving plate 46, affixed with the DC potential zero volt terminal OV of PLC again, terminal and whole solid-state relay control negative pole separately of serial connection path are affixed, affixed with the negative pole of respective light emitting diode again, the positive pole of each light emitting diode and the control positive pole of 3 phase AC solid relay affixed, one end of each dropping resistor and the positive pole of light emitting diode affixed after again with each corresponding output terminals Y of PLC
iaffixed, the input of the heater element of each electrothermal relay and the output of each self-corresponding three-phase solid relay affixed, the input of each 3 phase AC solid relay and one end of each fuse affixed, the other end of each fuse is electrically connected with city through air switch Q after entering to hold Merger to connect with the defeated of main circuit again, the output winding Y of PLC
iquantity be greater than 16, i=0,1,2 ..., 16,17 ..., the quantity of the input coil Xj of PLC is greater than 43, j=0,1,2 ..., 43, whole electromechanical component of explosion-proof damp-proof electric appliances linked device 1 and part are all arranged in explosion-proof moistureproof rack, and the input and output power cable in main circuit is anti-explosion cable.
The operating procedure of anhydrous explosion-proof raw coal separation machine of the present invention is as follows:
See Fig. 1, Fig. 2, Fig. 3 and Fig. 6, before power-on operation, first check earth resistance and the contact technique index of raw coal discharge refuse desulfurization conveyer 4 and each parts of the explosion-proof sniffer of raw coal 5, wherein earth resistance is all less than 4 ohm; Second step detects the input and output power cable of three-phase alternating current and each technical parameter of motor device and technical indicator; The explosion-proof protection against the tide of 3rd step inspection X-ray identifies the technical parameter of the earth resistance of coal separation signal generator 6 and the explosion-proof moistureproof detector set 19 of raw coal, and the earth resistance of these two parts is all less than 4 ohm, and is greater than 3 meters with both air line distance above; 4th step is that closed air switch Q connects civil power, the explosion-proof protection against the tide of pre-thermal X-rays identifies that coal separation signal generator 6 and the explosion-proof moistureproof detector set 19 of raw coal are after about 10 minutes, open the soft X source group 18 of mark, detect X-ray to the ionization current average strength of methane gas; Finally the high-voltage dc voltage of adjustable high voltage D. C 33 is adjusted to normal value.
The operating instruction performing semi-automatic sequence starting is as follows:
Press the button SB
1, the input terminal X of PLC
1connect with+24V dc source, through the left and right bus of ladder diagram, input coil X
1energising, makes output winding Y
0energising, causes dropping resistor R
1make the LED in photoelectrical coupler
0produce luminous potential difference, LED
0luminous current potential official post three-phase solid relay SSR
0conducting, SSR
0conducting makes the motor M of explosion-proof dust removal unit 3 correspondence
0start and running continuously, motor M
0continuous running makes the low-concentration methane gas in the explosion-proof moistureproof detector shield room 20 of raw coal and explosion-proof guard shield 31 constantly be drawn out of, fine coal dust constantly collected by explosion-proof dust removal unit 3, simultaneously LED
0luminescence makes again phototransistor T
0produce photoelectric current, T
0colelctor electrode and+24V affixed, make input terminal X
23corresponding input coil X
23energising; As motor M
0operate 6 second time, the ladder diagram of PLC makes output winding Y
1energising, output winding Y
1energising makes dropping resistor R
1and LED
1luminescence, LED
1luminous current potential official post three-phase solid relay SSR
1conducting, SSR
1conducting makes the motor M of cleaned coal transporter 9 correspondence
1start and running continuously, LED
1make again phototransistor T
1produce photoelectric current, T
1colelctor electrode and+24V affixed, make input coil X
24energising; As motor M
1operate 6 second time, the ladder diagram in PLC makes output winding Y
2energising, output winding Y
2energising causes again dropping resistor R
5and LED
2conducting also makes LED
2luminescence, LED
2luminous current potential official post 3 phase AC solid relay SSR
2conducting, SSR
2conducting makes spoil inorganic sulfur conveyer 8 respective motor M
2start and running continuously, LED
2luminescence make again phototransistor produce photoelectric current, T
2colelctor electrode with+24V is affixed makes input coil X
25energising; When 6 second of motor operation, the ladder diagram output winding Y in PLC
3energising, dropping resistor R
7and LED
3be energized and make LED
3luminescence, LED
3luminous current potential official post three-phase alternating current relay SSR
3conducting, and SSR
3conducting makes the electronic motor M of electrodeless variable-speed of respective rollers 25 in raw coal discharge refuse desulfurization conveyer 4
3start and running continuously, LED
3luminescence make again phototransistor T
3generation current, T
3colelctor electrode makes input coil X with+24V is affixed
26energising; As motor M
3connect running and continue 6 seconds, 12 seconds, 18 seconds, the ladder diagram in PLC makes transmission coil Y respectively
4, Y
5, Y
6energising, dropping resistor R
9, R
11, R
13and LED
4, LED
5, LED
6all be energized, and make LED
4, LED
5, LED
6all luminous, LED
4, LED
5and LED
6luminous current potential official post 3 phase AC solid relay SSR
4, SSR
5, SSR
6all conductings, and SSR
4, SSR
5, SSR
6all conducting makes the motor M of two-tube explosion-proof coal supply unit 21 correspondence
4, M
5, M
6all start and running continuously, LED
4, LED
5and LED
6luminescence makes again phototransistor T
4, T
5, T
6colelctor electrode all affixed with+24V, make power transmission line X
27, X
30, X
31all be energized; As motor M
6during 6 second of continuous running, the ladder diagram of PCL makes output winding Y
7energising, output winding Y
7energising makes dropping resistor R
15and LED
7be energized and make LED
7luminescence, LED
7luminous current potential official post 3 phase AC solid relay SSR
7conducting, SSR
7conducting makes the motor M of raw coal explosion-proof supplying machine 23 correspondence
7start and running continuously, LED
7luminescence make again phototransistor T
7produce photoelectric current, phototransistor T
7colelctor electrode and+24V affixed, make input coil X
32energising.Now, the explosion-proof supplying machine 23 of raw coal starts to supply raw coal 24 continuously to the present invention, from the cleaned coal 10 that cleaned coal conveyer 9 is constantly made up of to coal-fired user clean coal block and fine coal, inorganic for spoil sulphur-cake 11 is constantly transported to the room that underground coal mine wants landfill by spoil inorganic sulfur conveyer 8.
The operating process performing the shutdown of semi-automatic backward is as follows:
First cut off raw coal supply, press the button SB
2, input coil X
2energising, eight motor will by M
7, M
6, M
5, M
4, M
3, M
2, M
1, M
0order out of service, second step closes the soft X source group (18) of mark, and the 3rd step is closed the explosion-proof protection against the tide of X-ray and identified coal separation signal generator 6 and explosion-proof moistureproof detector set 19 single phase poaer supply of raw coal, close air switch Q, the present invention and civil power are disconnected.
Repair apparatus operating procedure is as follows:
First by toggle switch KNX
0(SB
0) press, make input coil X
0continue energising, the break contact X in ladder diagram
0all disconnect, and moving together contact is all closed.Press X respectively
3, X
5, X
7, X
11, X
13, X
15, X
17, X
21on eight buttons, M
0, M
1, M
2, M
3, M
4, M
5, M
6, M
7just intermittently start in order.Press X respectively
22, X
20, X
16, X
14, X
12, X
10, X
6, X
4just M7 is pressed, M on eight motor
6, M
5, M
4, M
3, M
2, M
1, M
0order intermittently stops.
Claims (4)
1. anhydrous explosion-proof raw coal separation machine, is characterized in that: comprise the explosion-proof damp-proof electric appliances interlocker (1), the explosion-proof distributor of raw coal (2), explosion-proof dust removal unit (3), raw coal discharge refuse desulfurization conveyer (4), the explosion-proof protection against the tide of the explosion-proof sniffer of X-ray (5), X-ray that are arranged on same level height and sequential series and identify coal separation signal generator (6), explosion-proof noise elimination discharge refuse machine (7), spoil inorganic sulfur conveyer (8) and cleaned coal conveyer (9), the explosion-proof distributor of described raw coal (2) comprises two-tube explosion-proof feeder (21), raw coal bucket (22), the explosion-proof supplying machine of raw coal (23), the explosion-proof supplying machine of described raw coal (23), raw coal bucket (22), two-tube explosion-proof feeder (21) sequential series, described two-tube explosion-proof feeder (21) is connected in raw coal discharge refuse desulfurization conveyer (4), described raw coal discharge refuse desulfurization conveyer (4) comprises electrodeless variable-speed anti-explosion electric cylinder (25), run-in synchronism adhesive tape (26), edger roll group of rectifying a deviation (27), flat idler group (28), frame (29), follower rollers (30) and explosion-proof guard shield (31), described electrodeless variable-speed anti-explosion electric cylinder (25) and follower rollers (30) are anchored on the two ends of frame (29), electrodeless variable-speed anti-explosion electric cylinder (25) drives follower rollers (30) by run-in synchronism adhesive tape (26), rectify a deviation edger roll group (27) and the flat idler group (28) be fastened in frame (29) coordinates electrodeless variable-speed anti-explosion electric cylinder (25) and follower rollers (30), explosion-proof guard shield (31) is fastened on the side of frame (29), the explosion-proof sniffer of described X-ray (5) comprises scattering division board group (17), identify soft X source group (18), the explosion-proof moistureproof detector set (19) of raw coal, the explosion-proof detector shield room (20) of raw coal, the explosion-proof moistureproof detector set (19) of raw coal is established in described raw coal explosion-proof detector shield room (20), the detector of the explosion-proof moistureproof detector set (19) of raw coal is separated by scattering division board, scattering division board forms scattering division board group (17), the explosion-proof moistureproof detector set (19) of raw coal is positioned at directly over run-in synchronism adhesive tape (26), identifying soft X source group (18) is positioned at immediately below run-in synchronism adhesive tape (26), the corresponding detection center of circle of the explosion-proof moistureproof detector set of described raw coal (19) is aimed in described mark soft X source group (18) each radiation center of circle straight up, the explosion-proof protection against the tide of described X-ray identifies that coal separation signal generator (6) comprises the low-voltage dc power supply (32) of connecting successively, adjustable high-voltage direct current (33), linear amplifier (34), digital frequency meter (35), height frequency changer (36), Big Dipper positioner (37), automatic charging device (38), time normalizing electronic impulser (39) and the explosion-proof moistureproof cabinet (40) of instrument, and the positive pole of described low-voltage dc power supply (32) is connected with scattering division board group (17), described explosion-proof noise elimination discharge refuse machine (7) comprises spoil fine coal bolter (12), cleaned coal baffle plate (13), arc extinguishing noise elimination discharge refuse connection rod set (14), horizontal fixed axis (16), arc extinguishing noise elimination tractive magnet (15), described arc extinguishing noise elimination discharge refuse connection rod set (14) comprises arc extinguishing rubber slab (41), noise elimination sheet rubber (42) and straight down connecting rod (43), the armature of described arc extinguishing noise elimination tractive magnet (15) installs noise elimination rubber grommet (44), when time normalizing electronic impulser (39) exports a pulse, the sucking coil of arc extinguishing noise elimination tractive magnet (15) makes its armature draw connecting rod (43) straight down immediately, tow arc extinguishing noise elimination discharge refuse connection rod set (14) and impact the inorganic sulphur-cake of spoil (11) around horizontal fixed axis (16), the front of any one connecting rod of arc extinguishing noise elimination discharge refuse connection rod set (14) is all installed with arc extinguishing rubber slab (41), cross cleaned coal baffle plate (13) immediately when the impact that the inorganic sulphur-cake of spoil (11) is subject to arc extinguishing noise elimination discharge refuse connection rod set (14) is launched and fly to spoil fine coal bolter (12), the inorganic sulphur-cake of spoil (11) drops on the feeding adhesive tape of cleaned coal conveyer (9) through sieve plate hole after coming off with fine coal in collision process on sieve plate face, the inorganic sulphur-cake of spoil (11) removing fine coal slips on the transportation rubber belt of spoil inorganic sulfur conveyer (8) from the sieve plate of spoil fine coal bolter (12), be transported to the room needing landfill again.
2. anhydrous explosion-proof raw coal separation machine according to claim 1, it is characterized in that: described explosion-proof damp-proof electric appliances interlocker (1) comprises PLC, explosion-proof moistureproof rack, 3 phase AC solid relay, dropping resistor, light emitting diode, electrothermal relay, fuse, bipolar band switch, the break contact wire of whole electrothermal relay is concatenated into path, after the serial connection starting point of path is connected with first moving plate (45) of bipolar band switch and the second moving plate (46), affixed with the DC potential zero volt terminal OV of PLC again, the terminal of series via and whole solid-state relay control negative pole is separately affixed, affixed with the negative pole of each light emitting diode again, the positive pole of each light emitting diode and the control positive pole of three-phase solid relay affixed, one end of each dropping resistor and the positive pole of each light emitting diode affixed after, its other end is affixed with each corresponding output end Yi of PLC again, the input of the heater element of each electrothermal relay and the output of each self-corresponding three-phase solid relay affixed, the output of each electrothermal relay heater element is affixed with the output of corresponding three-phase alternating-current motor, the input of each 3 phase AC solid relay and one end of each fuse affixed, the other end of each fuse is in parallel with main circuit affixed, and the input of main circuit is electrically connected with city through air switch Q, the quantity of the output winding Yi of PLC is greater than 16, i=1,2 ..., 16,17 ..., the input coil Xj quantity of PLC is greater than 43, j=0,1,2 ..., 43, whole electromechanical component and the part of explosion-proof damp-proof electric appliances interlocker (1) are all arranged in the rack of explosion-proof protection against the tide, and the input and output power cable of main circuit is anti-explosion cable.
3. anhydrous explosion-proof raw coal separation machine according to claim 1, is characterized in that: the soft X-ray bundle of described mark be americium-241 namely
241the monochromatic soft X-ray bundle of 59.5kev of Am radiation, or
241am and plutonium-238 are namely
238the mixing source of Pu two kinds of nucleic radiation.
4. anhydrous explosion-proof raw coal separation machine according to claim 1, is characterized in that: described arc extinguishing noise elimination tractive magnet (15) can be replaced by the arc extinguishing moistureproof electromagnetic gas valve of Pneumatic explosion-prevention of eliminating the noise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410040282.8A CN103769370B (en) | 2014-01-27 | 2014-01-27 | Anhydrous explosion-proof raw coal separation machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410040282.8A CN103769370B (en) | 2014-01-27 | 2014-01-27 | Anhydrous explosion-proof raw coal separation machine |
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| Publication Number | Publication Date |
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| CN103769370A CN103769370A (en) | 2014-05-07 |
| CN103769370B true CN103769370B (en) | 2016-04-06 |
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| CN104043593B (en) * | 2014-06-27 | 2016-12-07 | 罗旭 | The anhydrous screening installation of gangue inorganic sulfur in X-ray clean coal |
| CN207042877U (en) * | 2017-01-09 | 2018-02-27 | 唐山市神州机械有限公司 | A kind of intelligent dry method waste stone exhaust system applied to underground coal mine |
| CN107983662A (en) * | 2017-12-15 | 2018-05-04 | 杨宝祥 | A kind of mineral aggregate dry separation system and method |
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| GB404319A (en) * | 1932-07-12 | 1934-01-12 | Gen Electric Co Ltd | Improvements in apparatus for separating dust from coal or other materials |
| CN1056072A (en) * | 1990-04-30 | 1991-11-13 | 湘潭市四维应用技术研究所 | Coal and stone sorting machine |
| CN101793845B (en) * | 2010-02-04 | 2011-12-14 | 上海英迈吉东影图像设备有限公司 | X-raying detecting system and method for coal mine leather belt |
| CA2813035C (en) * | 2010-09-30 | 2019-08-20 | Technological Resources Pty. Limited | A method of sorting ore |
| CN102500454A (en) * | 2011-11-03 | 2012-06-20 | 东北大学 | X-ray radiation pre-selecting enrichment method for copper sulfide ore with low grade |
| CN203249879U (en) * | 2013-05-16 | 2013-10-23 | 清华大学 | Device for quickly detecting sulfur constituents in solid material |
| CN203711333U (en) * | 2014-01-27 | 2014-07-16 | 罗旭 | Water-free anti-explosion raw coal sorter |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Luo Xu Inventor after: Zhou Chunsheng Inventor after: Deng Bingyan Inventor after: Zhou Hua Inventor after: Zhou Linying Inventor after: Zhou Donghong Inventor after: Zhou Weibing Inventor after: Dan Bingjun Inventor after: Liang Mingli Inventor before: Luo Xu Inventor before: Zhou Hua Inventor before: Zhou Linying Inventor before: Zhou Donghong Inventor before: Zhou Weibing Inventor before: Dan Bingjun Inventor before: Liang Mingli |
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| COR | Change of bibliographic data | ||
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Effective date of registration: 20151026 Address after: 100192, Beijing, Haidian District, 1306 Qing East Lane, No. 4 Building Applicant after: Luo Xu Applicant after: Zhou Chunsheng Address before: 100192, Beijing, Haidian District, 1306 Qing East Lane, No. 4 Building Applicant before: Luo Xu Applicant before: Li Guizhen |
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