CN104258666B - Tippler aerosol dust suppression system and using method thereof - Google Patents
Tippler aerosol dust suppression system and using method thereof Download PDFInfo
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- CN104258666B CN104258666B CN201410572056.4A CN201410572056A CN104258666B CN 104258666 B CN104258666 B CN 104258666B CN 201410572056 A CN201410572056 A CN 201410572056A CN 104258666 B CN104258666 B CN 104258666B
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Abstract
The invention discloses a kind of tippler aerosol dust suppression system and using method thereof, air compressor is connected with the input of air accumulator by air cleaner, the output of air accumulator links together with the air input of aerosol dust suppression main frame, the water source input of aerosol dust suppression main frame is together connected at water source by the full-automatic back washing filter for one-level coarse filtration, aerosol dust suppression host output end connects with multiple aerosol case through automation controller, and air compressor and aerosol dust suppression main frame are connected with the power distribution cabinet for distribution simultaneously.Tippler aerosol dust suppression system of the present invention and using method thereof, can make the dust that in unloading car dumper process, material produces because of shock, especially diameter is effectively administered at 10 μm and following dust.
Description
Technical field
The present invention relates to a kind of dust pelletizing system, the dust that when being particularly useful for suppressing tipper unloading, material produces.
Background technology
At present, countries in the world are strict to industry environmental protection level requirement, and China in recent years advocates energy-saving and emission-reduction, greenly to produce, and the situation is tense for China's air pollution in recent years, and country further enhances the improvement policy and requirement polluted air ambient.In recent years the environmental protection requirement of tipper unloading system project to Work places is also more and more higher both at home and abroad.
Simultaneously, the traditional dust suppression mode in car dumper system of being applied in is (as electrostatic precipitation, bag-type dust, watering dedusting etc.) in various degree to there is floor space large, power consumption is large, maintenance is large, maintenance cost is high, water consumption is excessive, winter easily freezes, do not possess anti-freezing and heat-insulating, equipment operating is inconvenient, large on humidity of materials impact, affect coal dust firing value, there is secondary pollution and potential safety hazard etc. and there is many defects, the more important thing is and cannot administer the great diameter of harm at 10 μm and following dust, Work places is made not reach domestic and international environmental requirement.
Therefore invent a kind of defect that can make up traditional dedusting method is technical barrier urgently to be resolved hurrily to effective controlling device of the granule dust of 10 μm and following diameter simultaneously.
Summary of the invention
The present invention is directed to the proposition of above problem, and a kind of tippler aerosol dust suppression system of research and design and using method thereof, in order to solve existing dust suppression mode in various degree to there is floor space large, power consumption is large, maintenance is large, maintenance cost is high, water consumption is excessive, winter easily freezes, do not possess anti-freezing and heat-insulating, equipment operating is inconvenient, large on humidity of materials impact, affect coal dust firing value, there is secondary pollution and potential safety hazard etc. and there is many defects, the more important thing is and cannot administer the great diameter of harm at 10 μm and following dust, Work places is made not reach the shortcoming of domestic and international environmental requirement.The technological means that the present invention adopts is as follows:
A kind of tippler aerosol dust suppression system, comprising: air accumulator, power distribution cabinet, air compressor, aerosol dust suppression main frame, air cleaner, full-automatic back washing filter one, the gentle fog chamber of automation controller;
Described air compressor is connected with the input of air accumulator by air cleaner, the output of air accumulator links together with the air input of aerosol dust suppression main frame, the water source input of aerosol dust suppression main frame is together connected at water source by the full-automatic back washing filter for one-level coarse filtration, aerosol dust suppression host output end connects with multiple aerosol case through automation controller, and air compressor and aerosol dust suppression main frame are connected with the power distribution cabinet for distribution simultaneously.
PLC electric-control system and multifunction control system is comprised as preferred described aerosol dust suppression main frame;
In air pipe line, compressed air is through air filter unit secondary filter process, then manually ball valve one and pressure transmitter one, and gas pressure signal is transformed into the DC Signal transmissions of 4-20mA to PLC electric-control system, PLC electric-control system sends signal to the filtering pressure reducing valve for adjusting gas pressure according to instruction, compressed air through pressure transmitter one is together communicated with on one or more air conditioning pipe road by establishing magnetic valve by cable, air conditioning pipe road end is connected on system pipeline, and make the compressed air pressure being transported to system pipeline stabilize to α, 0.2MPa < α < 0.8MPa,
Simultaneously, in water supply line, water source successively through y-type filter, manual ball valve four, full-automatic back washing filter two, manual ball valve five for secondary secondary filter, establish by cable magnetic valve three, flow sensor, pressure transmitter two and check valve together one or more water source control piper be communicated with, water source control piper end is connected on system pipeline, and make the source pressure being transported to system pipeline stabilize to β, 0.2MPa < β < 0.8MPa.
Be provided with two as preferred described air conditioning pipe road, manual ball valve two, electric press control valve one, pressure sensor one, Pressure gauge one that the compressed air in every bar air conditioning pipe road is provided with by air conditioning pipe road respectively successively, establish magnetic valve two by cable and manual ball valve three is transported in system pipeline;
Described water source control piper is provided with two, manual ball valve six, electric press control valve two, pressure sensor two, Pressure gauge two that the water source in every bar water source control piper is provided with by water source control piper respectively successively, establishes magnetic valve four by cable and manual ball valve seven is transported in system pipeline.
Linked together by the pipeline with manual ball valve nine as the output of preferred described y-type filter and the input of manual ball valve five.
As preferably when system is out of service, establishes magnetic valve one closedown by cable, establish magnetic valve five by cable and open, through filtering pressure reducing valve gas successively manually ball valve eight, establish magnetic valve five and check valve two by cable, lead to one or more water source control piper.
Comprise as preferred each described aerosol case: heating tape control cables, be used for the water route Controlling solenoid valve, water pipe, aerosol box bracket, tracheae, aerosol case fixture and the two phase flow atomizer that are controlled with main system pipeline break-make by aerosol case.
Safety valve, Pressure gauge, blowdown apparatus and electric tracer heating system is comprised as preferred described air accumulator.
As preferred described air compressor, there is air filter obstruction, oil strainer blocks, oil eliminator blocks, temperature is too high and the alarm signal of current overload state.
The electric tracer heating system had from the warm explosion-proof form of limit is provided with as the water in preferred described tippler aerosol dust suppression system, the gentle fog chamber of feed channel.
A kind of tippler aerosol dust suppression system using method, when tippler fully loaded upset inclination angle to 30 °, tippler aerosol dust suppression system is started working, air compressor starts to start simultaneously, the compressed air of generation is supplied air accumulator through air cleaner, after air accumulator steady pressure, by the compressed air of steady pressure, according to the flow of default, supply aerosol dust suppression main frame, aerosol dust suppression main frame is the stable compressed air that provides of the water of receiving system water source supply and air accumulator simultaneously, aerosol dust suppression main frame is by gas, after water filtration, with the air pressure of setting, hydraulic pressure, throughput, discharge opens or closes by PLC procedure operation control valve, through automation controller, aqueous vapor through Cemented filling in aerosol case, realize aerosol dust suppression.
Compared with the prior art, tippler aerosol dust suppression system of the present invention and using method thereof have the following advantages:
(1) tippler aerosol dust suppression system of the present invention and using method thereof, can by the pressure condition at the air in the comparatively accurate control piper of electric press control valve and water source, the compressed air pressure being transported to control piper is made to stabilize to α, 0.2MPa < α < 0.8MPa, the source pressure being transported to control piper is made to stabilize to β, 0.2MPa < β < 0.8MPa, and water pipe and endotracheal water and air pressure stability must be ensured, thus the dry fog making water pipe and endotracheal water and air change into 1 ~ 10 μm ejects, water fog particle is micron order, dense and close mist pond is formed at dust suppression point, tippler aerosol dust suppression system is enable to play good regulation effect to 10 μm and following dust, dust suppression efficiency is high, non-secondary pollution, can suck for 10 μm less than-2.5 μm and can enter lung treating flour dust effect can up to more than 96%, anthraco-silicosis is avoided to endanger, can make the dust that in unloading car dumper process, material produces because of shock, especially diameter is effectively administered at 10 μm and following dust.
(2) tippler aerosol dust suppression system of the present invention and using method thereof, when system is out of service, establish magnetic valve one closedown by cable, lower end is established magnetic valve five by cable and is opened, gas manually ball valve eight, establish magnetic valve five, check valve two by cable, use compressed air to purge to system water route, water remaining in discharge line, prevent freezed in winter blocking pipeline and atomizer, emptying is carried out to system.
(3) tippler aerosol dust suppression system of the present invention and using method thereof play dirt pits treating flour dust on the spot in the source of pollution, and energy-saving and emission-reduction, water consumption is little, gain in weight than only 0.03%-0.09% with humidity of materials, be the 1/10-1/100 of traditional dedusting water consumption, material (coal) loses without calorific value.
(4) tippler aerosol dust suppression system of the present invention and using method thereof, plant area area is little, compact conformation, and full-automatic PLC controls, and maintenance cost is low, saves capital expenditure and administrative expenses; Have electric tracing thermal insulation system, system can normally be run winter.
Tippler aerosol dust suppression system of the present invention and using method thereof, compressed air and water are carried out compressed mixed in specific proportioning situation, play dirt pits at each and export the aerosol particles that ten hundreds of diameter is less than 10 μm, aerosol particles forms huge mist battle array in certain space, its density and quantity are far longer than dust group, just look like add one high density at a dirt pits, high-precision filter screen, floating dust is when through the mist battle array of filling the air, must collide with aerosol particles, experienced by absorption, in conjunction with, after a series of processes such as cohesion, sedimentation under gravity, thus reach suppression dust, the object purified air.
Tippler aerosol dust suppression system of the present invention, by PLC electric-control system and multifunction control system, after gas, water filtration, open or close by switching programme operation control valve with the air pressure of setting, hydraulic pressure, throughput, discharge, through Cemented filling in aerosol case, realize spray dust-arrest.Wherein electric-control system set Programmable Logic Controller, protection circuit, relay and the components and parts relevant to them, for user provides automatically and manual two kinds of operator schemes, when automatic operation mode, automatically can receive Remote triggering signal enabling or stop the spraying of aerosol case; At manual mode, operating personnel can pressing operation pushbutton enable or stop aerosol case or universal joint assembly spraying.User can also arrange interface amendment spray cycles and the blowing pipeline time etc. by PLC.Suspension in the water at external water source is filtered out the standard reaching and use required by aerosol case or universal joint assembly by multifunction system, and it has gathered all filters, control valve, blowing pipeline valve and pressure sensor.Meanwhile, regulate pressure and the flow of compressed air and water, and by distributor and valve they are assigned in each aerosol case and go.
Accompanying drawing explanation
Fig. 1 is tippler aerosol dust suppression system schematic flow sheet of the present invention.
Fig. 2 is aerosol dust suppression main frame schematic diagram of the present invention.
Fig. 3 is multifunction control system structure for amplifying schematic diagram on aerosol dust suppression main frame of the present invention.
Fig. 4 is aerosol case schematic diagram of the present invention.
Fig. 5 is that schematic diagram arranged by tumble side aerosol case of the present invention.
Fig. 6 is that schematic diagram arranged by the non-side aerosol case of tumbling of the present invention.
Fig. 7 is that the present invention passes in and out car end aerosol case layout schematic diagram.
Fig. 8 is present system capital equipment fitting arrangement.
Wherein: 1, air accumulator, 2, power distribution cabinet, 3, air compressor, 4, aerosol dust suppression main frame, 5, air cleaner, 6, full-automatic back washing filter one, 7, automation controller, 8, aerosol case,
4.2.1, air filter unit, 4.2.21, manual ball valve one, 4.2.22, manual ball valve two, 4.2.23, manual ball valve three, 4.2.24, manual ball valve four, 4.2.25, manual ball valve five, 4.2.26, manual ball valve six, 4.2.27, manual ball valve seven, 4.2.28, manual ball valve eight, 4.2.29, manual ball valve nine
4.2.31, pressure transmitter one, 4.2.32, pressure transmitter two, 4.2.4, filtering pressure reducing valve, 4.2.51, establish magnetic valve one by cable, 4.2.52, establish magnetic valve two by cable, 4.2.53, establish magnetic valve three by cable, 4.2.54, establish magnetic valve four by cable, 4.2.55, establish magnetic valve five by cable, 4.2.61, electric press control valve one, 4.2.62, electric press control valve two, 4.2.71, pressure sensor one, 4.2.72, pressure sensor two, 4.2.81, Pressure gauge one, 4.2.82, Pressure gauge two, 4.2.9, check valve one, 4.2.10, y-type filter, 4.2.11, full-automatic back washing filter two, 4.2.12, flow sensor, 4.2.13, check valve two,
8.1, heating tape control cables, 8.2, water route Controlling solenoid valve, 8.3, water pipe, 8.4, aerosol box bracket, 8.5, tracheae, 8.6, aerosol case fixture, 8.7, two phase flow atomizer.
Detailed description of the invention
As Figure 1-Figure 8, a kind of tippler aerosol dust suppression system, comprising: air accumulator 1, power distribution cabinet 2, air compressor 3, aerosol dust suppression main frame 4, air cleaner 5, full-automatic back washing filter 1, the gentle fog chamber 8 of automation controller 7;
Described air compressor 3 is connected with the input of air accumulator 1 by air cleaner 5, described air cleaner 5 is used for the compressed air that air compressor 3 produces once to filter, and ensures the clean level of the gas entered in air accumulator, the output of air accumulator 1 links together with the air input of aerosol dust suppression main frame 4, the water source input of aerosol dust suppression main frame 4 is connected with water source by the full-automatic back washing filter 1 for one-level coarse filtration, aerosol dust suppression main frame 4 output connects with multiple aerosol case 8 through automation controller 7, realize water, gas, electricity Trunk Line is connected with the multiple aerosol case 8 of many covers, according to field condition, control the multiple aerosol case 8 of automation controller 7 control realization by PLC electric-control system 4.1 to spray respectively according to the work period of tippler, automation controller 7 is to the control of multiple aerosol case 8, realized by the switch of valve multiple on automation controller 7, and the switching signal of valve is controlled by PLC electric-control system 4.1 on automation controller 7, air compressor 3 and aerosol dust suppression main frame 4 are connected with the power distribution cabinet 2 for distribution simultaneously, and described power distribution cabinet 2 is for whole control and electric tracer heating system provide the device of power supply, and it comprises control button and operation and malfunction coefficient button.
Described full-automatic back washing filter 1 is automatic filter, carries out first time filter the water at water source, relies on pressure difference signal automatically to put into operation, avoids the artificial work to the loaded down with trivial details cleaning of filter; Also can be the continual water supply of system in the process of filtering cleaning in addition, thus ensure that on-the-spot problem of water consumption; Automatic filter is that putting into operation of automatic filter, can ensure the water quality of system for aqueous vapor distributor provides the unit of infrastructure service, effectively can reduce the blocking probability at dust suppression point place and extend the service life of suppressing dust with dry mist equipment; The automatic filter adopted, by the differential pressure signal that can arrange of system, automatic start-stop counter-flush, realizes the function of cleaning the impurity of strainer screen.
As shown in Figures 2 and 3, described aerosol dust suppression main frame 4 comprises PLC electric-control system 4.1 and multifunction control system 4.2;
In air pipe line, the compressed air that source of the gas (described source of the gas is the air after air compressor 3 compresses) provides is from the input air inlet of air filter unit 4.2.1, through air filter unit 4.2.1 secondary filter process, then manually ball valve one 4.2.21 and pressure transmitter one 4.2.31, and gas pressure signal is transformed into the DC Signal transmissions of 4-20mA to PLC electric-control system 4.1, PLC electric-control system 4.1 sends signal to the filtering pressure reducing valve 4.2.4 for adjusting gas pressure according to instruction, compressed air through pressure transmitter one 4.2.31 is communicated with by establishing the above air conditioning pipe road of magnetic valve one 4.2.51 same by cable, air conditioning pipe road end is connected on system pipeline, described air conditioning pipe road is preferably provided with two, manual ball valve two 4.2.22, electric press control valve one 4.2.61, pressure sensor one 4.2.71, Pressure gauge one 4.2.81 that compressed air in every bar air conditioning pipe road is provided with by air conditioning pipe road respectively successively, establish magnetic valve two 4.2.52 by cable and manual ball valve three 4.2.23 is transported in system pipeline, realize giving vent to anger, pressure is reconciled further through electric press control valve one 4.2.61, pressure signal is transferred to system display panel by pressure sensor one 4.2.71 again, ensure to make the compressed air pressure being transported to system pipeline stabilize to α, 0.2MPa < α < 0.8MPa.
Simultaneously, in water supply line, the water that water source (described water source is the water after full-automatic back washing filter 1 filters) provides is intake from the input of y-type filter 4.2.10, water source is successively through y-type filter 4.2.10, manual ball valve four 4.2.24, for full-automatic back washing filter two 4.2.11 of secondary secondary filter, manual ball valve five 4.2.25, establish magnetic valve three 4.2.53 by cable, flow sensor 4.2.12, pressure transmitter two 4.2.32 is communicated with check valve one 4.2.9 same above water source control piper, water source control piper end is connected on system pipeline.
Described water source control piper is preferably provided with two, manual ball valve six 4.2.26, electric press control valve two 4.2.62, pressure sensor two 4.2.72, Pressure gauge two 4.2.82 that water source in every bar water source control piper is provided with by water source control piper respectively successively, establish magnetic valve four 4.2.54 by cable and manual ball valve seven 4.2.27 is transported in system pipeline, realize water outlet; Water pressure signal is transformed into the DC Signal transmissions of 4-20mA to PLC electric-control system 4.1 by pressure transmitter two 4.2.32, PLC electric-control system 4.1 sends signal through check valve one 4.2.9 according to instruction, manual ball valve six 4.2.26, adjust water pressure to electric press control valve two 4.2.62, pressure signal is transferred to system display panel by pressure sensor two 4.2.72 again, ensure to make the source pressure being transported to system pipeline stabilize to β, 0.2MPa < β < 0.8MPa.
Tippler aerosol dust suppression system of the present invention, compressed air and water are carried out compressed mixed in specific proportioning situation, the compressed air pressure being transported to control piper is made to stabilize to α, 0.2MPa < α < 0.8MPa, the source pressure being transported to control piper is made to stabilize to β, 0.2MPa < β < 0.8MPa, wherein two kinds of preferred versions of steady pressure α and β at compressed air and water source are respectively, corresponding β=0.3 of optimum ratio one: α=0.2, β=0.35 corresponding to optimum ratio two: α=0.3, and water pipe and endotracheal water and air pressure stability must be ensured, thus the dry fog making water pipe and endotracheal water and air change into 1 ~ 10 μm ejects, water fog particle is micron order, dense and close mist pond is formed at dust suppression point, tippler aerosol dust suppression system is enable to play good regulation effect to 10 μm and following dust, dust suppression efficiency is high, non-secondary pollution, can suck for 10 μm less than-2.5 μm and can enter lung treating flour dust effect can up to more than 96%, anthraco-silicosis is avoided to endanger, can make the dust that in unloading car dumper process, material produces because of shock, especially diameter is effectively administered at 10 μm and following dust.
Article two, air conditioning pipe road is communicated with the non-pipeline one_to_one corresponding dumping material side with dumping material side respectively with the end of two water source control pipers, making with dumping material side and non-material side (non-dump material side be in dump material side opposite) of dumping has an air conditioning pipe road and a water source control piper respectively, enabling to dump material side and non-air pipe line in material side and the water supply line of dumping in aerosol dust suppression main frame 4 place centralized Control.
The screen specification that described full-automatic back washing filter two 4.2.11 uses is compared more accurate with the filter screen of full-automatic back washing filter 1, enable the water source after full-automatic back washing filter 1 coarse filtration carry out secondary secondary filter at full-automatic back washing filter two 4.2.11 place, the maximum particle diameter at the water source after filtration is reached completely by the minimum requirements of nozzle.
The output of described y-type filter 4.2.10 and the input of manual ball valve five 4.2.25 are linked together by the pipeline with manual ball valve nine 4.2.29, during normal work, this parallel branch manual ball valve nine 4.2.29 closes, do not use, when needs overhaul, close manual ball valve four 4.2.24, make water source not by full-automatic back washing filter two 4.2.11, facilitate maintenance or the replacement of full-automatic back washing filter two 4.2.11, blocking maintenance is convenient, and ensures that system is normally run by this branch road.
When system is out of service, in order to prevent freezed in winter blocking pipeline and atomizer, establish magnetic valve one 4.2.51 by cable to close, lower end is established magnetic valve five 4.2.55 by cable and is opened, through filtering pressure reducing valve 4.2.4 gas successively manually ball valve eight 4.2.28, establish magnetic valve five 4.2.55 and check valve two 4.2.13 by cable, lead to one or more water source control piper, system water route is purged, water remaining in discharge line, realize the emptying of system, draining valve is set in system minimum point simultaneously, air bleeding valve is set at system peak.
Wherein PLC electric-control system 4.1, Programmable Logic Controller, protection circuit, relay and the components and parts relevant to them are gathered, pass through control cables, programme, automatic and manual two kinds of operator schemes can be realized, when automatic operation mode, automatically can receive Remote triggering signal enabling or stop the spraying of aerosol case; When manual mode, operating personnel's action button that can press on PLC control operation panel 4.12 starts or stops aerosol case or universal joint assembly spraying.And user can also arrange interface amendment spray cycles and the blowing pipeline time etc. by PLC.Indication panel 4.11 has filter blowdown instruction, sewage backwash instruction, system blowback instruction, air inlet, instruction of giving vent to anger, electric tracing instruction, heating water tanks instruction, system blowdown instruction, backwash open instruction, system cloud gray model instruction, system water inlet instruction, system failure instruction, compressor operation instruction and indicating fault etc., and PLC control operation panel 4.12 side have emergency stop push button 4.13.
As shown in Figure 4, each described aerosol case 8 comprises: heating tape control cables 8.1, be used for the water route Controlling solenoid valve 8.2, water pipe 8.3, aerosol box bracket 8.4, tracheae 8.5, aerosol case fixture 8.6 and the two phase flow atomizer 8.7 that are controlled with main system pipeline break-make by aerosol case 8.
Aerosol case 8 receive transported by aerosol dust suppression main frame 4 gas, water by water pipe 8.3 and tracheae 8.5, converting it into particle diameter is that the dry fog of 1 ~ 10 μm ejects, and sprays to dust suppression point by the control instruction of aerosol dust suppression main frame 4.When dry fog and dust granules contact with each other, collide time, dust granules is bondd mutually, condenses and become large, and sedimentation under the Action of Gravity Field of self, thus reach the effect of dust suppression.
Every platform aerosol case 8 be furnished with two phase flow atomizer 8.7 several, have the advantages that spray angle is adjustable, and two phase flow atomizer 8.7 is located at and is dumped material side, ground above 700-800mm spray effect is best, aerosol case has the characteristics such as good looking appearance, commutativity is strong, in-site installation is convenient, and the water route Controlling solenoid valve 8.2 that each aerosol case 8 has can be good at the pipeline break-make of the multiple aerosol casees 8 controlled on this branch road, water route Controlling solenoid valve 8.2 can be controlled during maintenance respectively disconnect thus change, very convenient.
Described air accumulator 1 comprises safety valve, Pressure gauge, blowdown apparatus and electric tracer heating system, and described electric tracer heating system is particularly suitable for the cold districts such as northeast and uses, and has good insulation effect, constant temperature companion heat.And the compressed air reservoir of tippler aerosol dust suppression system of the present invention can determine its volume in conjunction with the gas production of the upset cycle of tippler and air compressor machine, realizes the voltage stabilizing to gas and compensator or trimmer pressure effect.
Described air compressor 3 has the alarm signal of the states such as air filter blocks, oil strainer blocks, oil eliminator blocks, the too high and current overload of temperature, and all signals show by man-machine interface.The function of man-machine interface shows operation conditions in compressor operation, and inspection and the maintenance of compressor are carried out according to the timer in man-machine interface, and equipment local operation and system parameter setting realize by man-machine interface; It is chain that described air compressor 3 and tippler overturn the cycle, can run continuously.
Water in described tippler aerosol dust suppression system, the gentle fog chamber of feed channel 8 are provided with the electric tracer heating system had from the warm explosion-proof form of limit, there is automatic switching and automatic temperature-adjusting function, and can automatic temp limit, by the temperature of heating, be limited within the scope of specific set temperature, electric tracer heating system is played a protective role, security of operation, non-maintaining; Installation is simple, electric-heating belt is sheared arbitrarily, non-environmental-pollution, saving electric energy.Described electric tracer heating system is provided with the insulation material of resistance combustion polyurethane foam section bar, and the outer alclad sheet of insulation material is fixed, and aluminium plate thickness is preferably 0.7mm;
When temperature is lower than 5 DEG C, freeze for preventing winter pipeline, adopt electric tracer heating system to the water laid, the gentle fog chamber 8 of feed channel, tippler aerosol dust suppression system, the input of described electric tracer heating system can guarantee that aerosol dust suppression system can normally work under the local limit lowest temperature.
Electric tracer heating system specification is as follows:
Working power 380VAC50Hz,
Temperature range: most high maintenance temperature 65 DEG C, the highest bearing temperature 105 DEG C,
Construction temperature: minimum-60 DEG C,
Heat endurance: by circulating between 10 DEG C to 99 DEG C after 300 times back and forth, hot line caloric value maintains more than 90%.
A kind of tippler aerosol dust suppression system using method, when tippler fully loaded upset inclination angle to 30 °, tippler aerosol dust suppression system is started working, air compressor 3 starts to start simultaneously, the compressed air of generation is supplied air accumulator 1 through air cleaner 5, after air accumulator 1 steady pressure, by the compressed air of steady pressure, according to the flow of default, supply aerosol dust suppression main frame 4, aerosol dust suppression main frame 4 is the stable compressed air that provides of the water of receiving system water source supply and air accumulator 1 simultaneously, aerosol dust suppression main frame 4 is by gas, after water filtration, with the air pressure of setting, hydraulic pressure, throughput, discharge opens or closes by PLC procedure operation control valve, through automation controller 7, aqueous vapor through Cemented filling in aerosol case 8, realize aerosol dust suppression.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (9)
1. a tippler aerosol dust suppression system, is characterized in that comprising: air accumulator (1), power distribution cabinet (2), air compressor (3), aerosol dust suppression main frame (4), air cleaner (5), full-automatic back washing filter one (6), automation controller (7) gentle fog chamber (8);
Described air compressor (3) is connected with the input of air accumulator (1) by air cleaner (5), the output of air accumulator (1) links together with the air input of aerosol dust suppression main frame (4), the water source input of aerosol dust suppression main frame (4) is connected with water source by the full-automatic back washing filter one (6) for one-level coarse filtration, aerosol dust suppression main frame (4) output connects with multiple aerosol case (8) through automation controller (7), air compressor (3) and aerosol dust suppression main frame (4) are connected with the power distribution cabinet (2) for distribution simultaneously, described aerosol dust suppression main frame (4) comprises PLC electric-control system (4.1) and multifunction control system (4.2),
In air pipe line, compressed air is through air filter unit (4.2.1) secondary filter process, then manually ball valve one (4.2.21) and pressure transmitter one (4.2.31), and gas pressure signal is transformed into the DC Signal transmissions of 4-20mA to PLC electric-control system (4.1), PLC electric-control system (4.1) sends signal to the filtering pressure reducing valve (4.2.4) for adjusting gas pressure according to instruction, compressed air through pressure transmitter one (4.2.31) is communicated with by establishing the above air conditioning pipe road of magnetic valve one (4.2.51) same by cable, air conditioning pipe road end is connected on system pipeline, and make the compressed air pressure being transported to system pipeline stabilize to α, 0.2MPa < α < 0.8MPa,
Simultaneously, in water supply line, water source is successively through y-type filter (4.2.10), manual ball valve four (4.2.24), for the full-automatic back washing filter two (4.2.11) of secondary secondary filter, manual ball valve five (4.2.25), establish magnetic valve three (4.2.53) by cable, flow sensor (4.2.12), pressure transmitter two (4.2.32) is communicated with check valve one (4.2.9) same above water source control piper, water source control piper end is connected on system pipeline, and make the source pressure being transported to system pipeline stabilize to β, 0.2MPa < β < 0.8MPa.
2. tippler aerosol dust suppression system according to claim 1, it is characterized in that: described air conditioning pipe road is provided with two, manual ball valve two (4.2.22), electric press control valve one (4.2.61), pressure sensor one (4.2.71), Pressure gauge one (4.2.81) that the compressed air in every bar air conditioning pipe road is provided with by air conditioning pipe road respectively successively, establish magnetic valve two (4.2.52) by cable and manual ball valve three (4.2.23) is transported in system pipeline;
Described water source control piper is provided with two, manual ball valve six (4.2.26), electric press control valve two (4.2.62), pressure sensor two (4.2.72), Pressure gauge two (4.2.82) that the water source in every bar water source control piper is provided with by water source control piper respectively successively, establishes magnetic valve four (4.2.54) by cable and manual ball valve seven (4.2.27) is transported in system pipeline.
3. tippler aerosol dust suppression system according to claim 1, is characterized in that: the output of described y-type filter (4.2.10) and the input of manual ball valve five (4.2.25) are linked together by the pipeline with manual ball valve nine (4.2.29).
4. the tippler aerosol dust suppression system according to claim 1,2 or 3, it is characterized in that: when system is out of service, establish magnetic valve one (4.2.51) by cable to close, establish magnetic valve five (4.2.55) by cable to open, through filtering pressure reducing valve (4.2.4) gas successively manually ball valve eight (4.2.28), establish magnetic valve five (4.2.55) and check valve two (4.2.13) by cable, lead to one or more water source control piper.
5. the tippler aerosol dust suppression system according to claim 1,2 or 3, is characterized in that: each described aerosol case (8) comprising: heating tape control cables (8.1), be used for the water route Controlling solenoid valve (8.2), water pipe (8.3), aerosol box bracket (8.4), tracheae (8.5), aerosol case fixture (8.6) and the two phase flow atomizer (8.7) that are controlled with main system pipeline break-make by aerosol case (8).
6. the tippler aerosol dust suppression system according to claim 1,2 or 3, is characterized in that: described air accumulator (1) comprises safety valve, Pressure gauge, blowdown apparatus and electric tracer heating system.
7. the tippler aerosol dust suppression system according to claim 1,2 or 3, is characterized in that: described air compressor (3) has air filter obstruction, oil strainer blocks, oil eliminator blocks, temperature is too high and the alarm signal of current overload state.
8. the tippler aerosol dust suppression system according to claim 1,2 or 3, is characterized in that: the water in described tippler aerosol dust suppression system, the gentle fog chamber of feed channel (8) are provided with the electric tracer heating system had from the warm explosion-proof form of limit.
9. the tippler aerosol dust suppression system using method described in a claims 1-8 any one, it is characterized in that: when tippler fully loaded upset inclination angle to 30 °, tippler aerosol dust suppression system is started working, air compressor (3) starts to start simultaneously, the compressed air produced is supplied air accumulator (1) through air cleaner (5), after air accumulator (1) steady pressure, by the compressed air of steady pressure, according to the flow of default, supply aerosol dust suppression main frame (4), aerosol dust suppression main frame (4) is the stable compressed air that provides of the water of receiving system water source supply and air accumulator (1) simultaneously, aerosol dust suppression main frame (4) is by gas, after water filtration, with the air pressure of setting, hydraulic pressure, throughput, discharge opens or closes by PLC procedure operation control valve, through automation controller (7), aqueous vapor through Cemented filling in aerosol case (8), realize aerosol dust suppression.
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| CN109775397B (en) * | 2018-12-29 | 2020-11-24 | 国家能源投资集团有限责任公司 | Tippler bottom layer sprinkling system and control method |
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