CN103816735A - Gas filtration system and device - Google Patents
Gas filtration system and device Download PDFInfo
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- CN103816735A CN103816735A CN201410073779.XA CN201410073779A CN103816735A CN 103816735 A CN103816735 A CN 103816735A CN 201410073779 A CN201410073779 A CN 201410073779A CN 103816735 A CN103816735 A CN 103816735A
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Abstract
The invention discloses a gas filtration system and device that can use gas to be filtered to conduct airflow cutting and ash removal on a filter element surface. The gas filtration system comprises a first gas filtration device and a second gas filtration device, and is provided with a first operating mode and a second operating mode that are controlled by valves. In the first operating mode, gas to be filtered enters the first gas filtration device and realizes filtration in the filtration channel of a first filter element; in the second operating mode, gas to be filtered enters the first gas filtration device, carries ash attached to the surface of the filtration channel to enter a first ash can when the gas to be filtered passes through the filtration channel of the first filter element, and then enters the second gas filtration device through a gas exhausting pipe and realizes filtration through a second filter element.
Description
Technical field
The present invention relates to dedusting equipment, be specifically related to a gas filter system and device.
Background technology
In industry, a lot of kilns all can produce a large amount of dust-laden gas, on the one hand owing to mostly containing the utility of expecting recovery in these furnace gas dust, can cause air environmental pollution (especially PM2.5 Particulate Pollution) if these dust not carried out to recovery on the other hand, but also can affect the production of subsequent product, therefore, most occasions that use Industrial Stoves all face the dust cleaning problem to furnace gas.At present furnace gas dust cleaning technology have dry method and wet method point, wet processing is comparatively complicated, easily causes secondary pollution, and the bad recovery of utility in dust, and dry process has its Inherent advantage in these areas.
Dry method furnace gas dust cleaning technology need be utilized dust arrester installation, is mainly at present mechanical dust-precipitator, bag filter and electric cleaner, and mechanical dust-precipitator common are gravitational precipitator, cyclone dust collectors etc.Bag filter is compared with mechanical dust-precipitator, electric cleaner, difference is to use the mode of filtering to carry out dedusting in its operation principle, allow gas pass through the cloth bag as filter core, under dust in gas is tackled by filter core or by the filter cake of setting up in cartridge surface in filter process, thereby realize gas solid separation.In bag filter use procedure, when forming certain filter cake while stopping up cloth bag, then start blowback air by back-blowing dust removing device cloth bag is carried out to reverse gas cleaning, maintain reusing of cloth bag.
Because dedusting by filtration adopts physics interception mode, therefore dedusting precision is higher and easily control, but need the aspect problems such as further raising because cloth bag exists non-refractory, easily breakage and filtering accuracy, therefore occurred on the market at present the more excellent filter cores of aspect performance such as some heat-resisting quantities, chemical stability, filtering accuracy, mechanical strength.But, these filter cores are the same with cloth bag, in whole use procedure, gas to be filtered almost passes through filter core in the mode perpendicular to cartridge surface completely, and when reverse gas cleaning, blowback air is to move in the mode perpendicular to cartridge surface equally, cause being stopped up by dust in the filter core short time, and reverse gas cleaning effect is also not ideal, filter core is also had to certain influence service life.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of gas filter system and device that can carry out by gas to be filtered air-flow shearing deashing to cartridge surface.
Gas filter system of the present invention, comprise the first gas-filtering device, the first gas-filtering device comprises with the first shell of the first air inlet, first row gas port and the first ash discharging hole and is arranged on the first filter core in the first shell, described the first air inlet is connected with the first Primordial Qi transfer valve being arranged on Primordial Qi input pipe, first row gas port is connected with the first pure qi (oxygen) delivery valve being arranged on pure qi (oxygen) efferent duct, the first ash discharging hole connects the first ash-valve, and the below of the first ash-valve is provided with the first ash can being connected with the output of the first ash-valve; Gas filter system also comprises the second gas-filtering device, described the second gas-filtering device comprises with the second housing of the second air inlet, second row gas port and the second ash discharging hole and is arranged on the second filter core in second housing, described the second air inlet is connected with the first ash can by blast pipe, second row gas port connects pure qi (oxygen) efferent duct, and the second ash discharging hole connects the second ash-valve; And, described the first filter core is provided with inlet end and exhaust end, inlet end and the first air inlet conducting, exhaust end and the first ash discharging hole conducting, it between inlet end and exhaust end, is filtration channel, between filtration channel and the first shell, there is the pure qi (oxygen) cavity being separated to form by the first filter core, described first row gas port and this pure qi (oxygen) cavity conducting; Gas filter system has by the first operational mode of above-mentioned each valve control and the second operational mode, and under the first operational mode, gas to be filtered enters the first gas-filtering device and realizes and filtering in the filtration channel of the first filter core; Under the second operational mode, gas to be filtered is introduced into the first gas-filtering device and in the time of the filtration channel by the first filter core, carries the dust that is attached to filtration channel surface and enters the first ash can, then enters the second gas-filtering device and is realized and being filtered by the second filter core through blast pipe.
In above-mentioned gas filter system, because the first filter core of the first gas-filtering device is provided with inlet end and exhaust end, inlet end and the first air inlet conducting, exhaust end and the first ash discharging hole conducting, it between inlet end and exhaust end, is filtration channel, between filtration channel and the first shell, there is the pure qi (oxygen) cavity being separated to form by the first filter core, first row gas port and this pure qi (oxygen) cavity conducting, therefore, closing the first ash-valve, open in the situation of the first Primordial Qi transfer valve and the first pure qi (oxygen) delivery valve, enter the first gas-filtering device and then enter the gas to be filtered of the filtration channel of the first filter core by inlet end from the first air inlet, cannot be from the exhaust end of the first filter core again through the first ash discharging hole, the first ash-valve is discharged, and can only permeate by the pure qi (oxygen) cavity outside filtration channel, again from first row gas port, the first pure qi (oxygen) delivery valve is discharged, thereby realize and filtering by the first filter core, in this process, the dust being retained down and be attached to filtration channel surface increases gradually, pressure in filtration channel is also more and more higher, when opening after the first ash-valve, by means of pressure higher in filtration channel, the gas to be filtered moment of filtration channel that enters the first gas-filtering device and then enter the first filter core by inlet end from the first air inlet is to the exhaust end rapid flow of the first filter core, air-flow forms on the surface of filtration channel the shearing force of easily peeling off dust, thereby carrying the dust that is attached to filtration channel surface successively from the first ash discharging hole, the first ash-valve enters the first ash can, part dust is in the first ash can sedimentation, part dust enters the second gas-filtering device with gas to be filtered through blast pipe, thereby realize and filtering by the second filter core.Visible, first gas-filtering device of this gas filter system can carry out air-flow to cartridge surface by gas to be filtered and shear deashing, thereby this shearing purge mode can improve filter core deashing regeneration effect with existing reverse gas cleaning mode collaborative work, also can substitute reverse gas cleaning mode completely and improve filter core service life (shearing purge mode is little to the impact of element kit).
Gas-filtering device of the present invention, comprises shell and installation filter core in the enclosure with air inlet, exhaust outlet and ash discharging hole, and air inlet connects Primordial Qi transfer valve, and exhaust outlet connects pure qi (oxygen) delivery valve, and ash discharging hole connects ash-valve; Described filter core is provided with inlet end and exhaust end, inlet end and air inlet conducting, exhaust end and ash discharging hole conducting, be filtration channel between inlet end and exhaust end, between filtration channel and shell, there is the pure qi (oxygen) cavity being separated to form by filter core, described exhaust outlet and this pure qi (oxygen) cavity conducting; Primordial Qi transfer valve when normal filtration, pure qi (oxygen) delivery valve is opened and ash-valve is closed, and gas to be filtered enters the first gas-filtering device and in the filtration channel of the first filter core, realizes and filtering; When filter core deashing, ash-valve is opened, and the filtration channel of the gas to be filtered that enters the first gas-filtering device by the first filter core carrying is attached to the dust on filtration channel surface and discharges from ash-valve.
To partly provide in the following description below in conjunction with the drawings and specific embodiments aspect that the present invention is described further, the present invention is additional and advantage, part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of gas filter system embodiment 1 of the present invention.
Fig. 2 is the structural representation of gas filter system embodiment 2 of the present invention.
Fig. 3 is the structural representation of even gas distribution device in the embodiment of the present invention 1,2.
The specific embodiment
As shown in Figure 1, the gas filter system of the embodiment of the present invention 1 comprises the first gas-filtering device 100 and the second gas-filtering device 500, wherein, the first gas-filtering device 100 comprises with the first air inlet 111, the first shell 110 of first row gas port 112 and the first ash discharging hole 113 and be arranged on the first filter core 120 in the first shell 110, the first filter core 120 adopts sintering inorganic porous material membrane cartridge, the concrete cemented iron aluminum base alloy porous material membrane cartridge that adopts excellent combination property under hot conditions, described the first air inlet 111 is connected with the first Primordial Qi transfer valve K1 being arranged on Primordial Qi input pipe 200, first row gas port 112 is connected with the first pure qi (oxygen) delivery valve K2 being arranged on pure qi (oxygen) efferent duct 300, the first ash discharging hole 113 connects the first ash-valve K3, the below of the first ash-valve K3 is provided with the first ash can 400 being connected with the output of the first ash-valve K3, what the first filter core 120 was both ends open is columnar structured, its upper end is inlet end 121, lower end is exhaust end 122, between inlet end 121 and exhaust end 122, it is filtration channel 123, between filtration channel 123 and the first shell 110, there is the pure qi (oxygen) cavity 124 being separated to form by the first filter core 120, inlet end 121 is arranged in the first shell 110 by up-hole plate 130 and orifice plate 140 respectively with exhaust end 122, thereby form former air chamber 150 above the interior up-hole plate 130 of the first shell 110, the below of orifice plate 140 forms exhaust chamber 160, between up-hole plate 130 and orifice plate 140, form pure qi (oxygen) cavity 124, the first air inlet 111 and former air chamber 150 conductings, first row gas port 113 and 160 conductings of pure qi (oxygen) cavity, the bottom of exhaust chamber 160 is provided with taper expansion chamber, the first ash discharging hole 113 is positioned at taper expansion chamber bottom, the second gas-filtering device 500 comprises with the second air inlet 511, the second housing 510 of second row gas port 512 and the second ash discharging hole 513 and be arranged on the second filter core 520 in second housing 510, the same cemented iron aluminum base alloy porous material membrane cartridge that adopts of the second filter core 520, described the second air inlet 511 is connected with the first ash can 400 by blast pipe 600, second row gas port 512 connects pure qi (oxygen) efferent duct 300, the second ash discharging hole 513 connects the second ash-valve K4, the second filter core 520 is lower end closed, upper end open columnar structured, the upper end of the second filter core 520 is arranged in second housing 510 by orifice plate 530, thereby form former air chamber 540 below second housing 510 inner hole plates 530, the top of orifice plate 530 forms air-purifying chamber 550, the second air inlet 511 and former air chamber 540 conductings, second row gas port 512 and air-purifying chamber 550 conductings, former air chamber 540 bottoms are provided with taper expansion chamber 560, the second ash discharging hole 513 is positioned at taper expansion chamber 560 bottoms.
In the gas filter system of embodiment 1, the pure qi (oxygen) efferent duct 300 that the pure qi (oxygen) efferent duct 300 that first row gas port 112 connects is connected with second row gas port 512 can finally pool same pure qi (oxygen) efferent duct, then this pure qi (oxygen) efferent duct connects a total power-equipment (for example blower fan 900) again, thereby for the motion of gas to be filtered in system provides driving force, at this moment, gas filter system is the negative pressure system that a power-equipment is positioned at gas filter system rear end.Certainly, power-equipment also can be arranged on Primordial Qi input pipe 200, and at this moment, gas filter system is the positive pressure system that a power-equipment is positioned at gas filter system front end.No matter take positive pressure system or negative pressure system, conventionally all need to use power-equipment, this is that current gas filtration field is known, and gas filter system of the present invention is obviously still like this.
In the gas filter system of embodiment 1, the first gas-filtering device 100 is main gas filtration equipment, the gas to be filtered of the overwhelming majority is all filtered by the first gas-filtering device 100, and the second gas-filtering device 500 is only the gas filtration equipment helping out, just at the first gas-filtering device 100 in short time filtration when deashing state.Therefore, the first gas-filtering device 100 should be than huge many of the second gas-filtering device 500, for this reason, it is long that the first filter core 120 in the first gas-filtering device 100 can design, for example reach 1.7-2.2 rice (for sintering inorganic porous material membrane cartridge, the length manufacture difficulty that exceedes 2.2 meters can be very high), so just can in limited space, guarantee that the first filter core 120 has larger filter area, has guaranteed filter efficiency.Because the second gas-filtering device 500 is less and working strength is not high yet, therefore in considering the second gas-filtering device 500, the second filter core 520 uses the deashing problem after some cycles to want freely easily a lot.Because the second filter core 520 is smaller, low cost of manufacture, therefore, even if the second gas-filtering device 500 does not have the back-blowing dust removing device that the second filter core 520 is carried out to deashing is installed, adopts artificial deashing or clear-cut directly replacing, is all feasible.Certainly, the second gas-filtering device 500 had better be installed back-blowing dust removing device, in such cases, impact on whole system after starting for fear of back-blowing dust removing device, can be on blast pipe 600 mounted valve (in Fig. 1 for illustrating), and the second pure qi (oxygen) delivery valve K5 is installed on the pipeline between second row gas port 512 and pure qi (oxygen) efferent duct 300, to close where necessary.
In addition, as shown in Figure 1, in the gas filter system of embodiment 1, the gas to be filtered entering from the first air inlet 111 in the first gas-filtering device 100, between the first air inlet 111 and the inlet end 121 of the first filter core 120, is also provided with even gas distribution device 700, to can be assigned to the inlet end 121 of each the first different filter core 120 as far as possible uniformly.Even gas distribution device 700 specifically can be dispensed to gas to be filtered by many different pipelines the inlet end 121 of different the first filter cores 120, and as shown in Figure 3, the concrete even gas distribution plate 710 that adopts of the present embodiment 1, is distributed with passage 711 on even gas distribution plate 710.Wherein, as Fig. 3, the diameter of these passages 711 preferably increases gradually along mind-set peripheral direction in even gas distribution plate 710, like this, can be good at making up center air pressure because of former air chamber 150 large, periphery air pressure is little and the problem that causes gas to be filtered more to enter the first filter core 120 further improves the uniformity that gas to be filtered distributes.
The course of work of the gas filter system of embodiment 1 is described in detail as follows: gas filter system has the first operational mode and the second operational mode, under the first operational mode, the first Primordial Qi transfer valve K1, the first pure qi (oxygen) delivery valve K2 opens, the first ash-valve K3 closes, gas to be filtered enters the first gas-filtering device 100 and is assigned to uniformly the inlet end 121 of each the first filter core 120 by even gas distribution plate 710, gas to be filtered enters in filtration channel 123 from inlet end 121, cannot be again from the exhaust end 122 of the first filter core 120 again through the first ash discharging hole 113, the first ash-valve K3 discharges, and can only permeate by the pure qi (oxygen) cavity 124 outside filtration channel 123, again from first row gas port 112, the first pure qi (oxygen) delivery valve K2 discharges, thereby realize and filtering by the first filter core 120, in this process, the dust being retained down and be attached to filtration channel 123 surfaces increases gradually, pressure in filtration channel 123 is also more and more higher, in the time that pressure reaches setting threshold values, the first ash-valve K3 unlatching that is triggered, the first pure qi (oxygen) delivery valve K2 closes (for improving ash-removal effect, the first pure qi (oxygen) delivery valve K2 closes preferably and closes), at this moment gas filter system enters the second operational mode, under the second operational mode, by means of pressure higher in filtration channel 123, the gas to be filtered moment of filtration channel 123 that enters the first gas-filtering device 100 and then enter the first filter core 120 by inlet end 121 from the first air inlet 111 is to exhaust end 122 rapid flows of the first filter core 120, air-flow forms on the surface of filtration channel 120 shearing force of easily peeling off dust, thereby carrying the dust that is attached to filtration channel 123 surfaces successively from the first ash discharging hole 113, the first ash-valve K3 enters the first ash can 400, part dust is in the first ash can 400 sedimentations, part dust enters the second gas-filtering device 500 with gas to be filtered through blast pipe 600, thereby realize and filtering by the second filter core 520, once drop to and set threshold values when the filtration pressure difference of the first gas-filtering device 100, close at once the first ash-valve K3 and open the first pure qi (oxygen) delivery valve K2, system returns to the first operational mode.Repeated multiple times second operational mode that is switched to, also can cause adhering to more dust on the second filter core 520 forms filter cake and the filtration pressure difference of the second filter core 520 both sides is increased, when increasing to, the filtration pressure difference of the second filter core 520 both sides sets after threshold values, start the back-blowing dust removing device of the second gas-filtering device 500, dust on the second filter core 520 is entered in taper expansion chamber 560, and regularly open the second ash-valve K4 discharge.
The back-blowing dust removing device of the first gas-filtering device 100 that the gas filter system of embodiment 1 is cancelled, but still can improve filter core deashing regeneration effect, has also improved filter core service life simultaneously.
As shown in Figure 2, the gas filter system of the embodiment of the present invention 2 comprises the first gas-filtering device 100 and the second gas-filtering device 500 equally, wherein, the first gas-filtering device 100 comprises with the first air inlet 111, the first shell 110 of first row gas port 112 and the first ash discharging hole 113 and be arranged on the first filter core 120 in the first shell 110, the first filter core 120 adopts sintered ceramic porous material membrane cartridge (also can adopt cemented iron aluminum base alloy porous material membrane cartridge), described the first air inlet 111 is connected with the first Primordial Qi transfer valve K1 being arranged on Primordial Qi input pipe 200, first row gas port 112 is connected with the first pure qi (oxygen) delivery valve K2 being arranged on pure qi (oxygen) efferent duct 300, the first ash discharging hole 113 connects the first ash-valve K3, the below of the first ash-valve K3 is provided with the first ash can 400 being connected with the output of the first ash-valve K3, what the first filter core 120 was both ends open is columnar structured, its upper end is inlet end 121, lower end is exhaust end 122, between inlet end 121 and exhaust end 122, it is filtration channel 123, between filtration channel 123 and the first shell 110, there is the pure qi (oxygen) cavity 124 being separated to form by the first filter core 120, inlet end 121 is arranged in the first shell 110 by up-hole plate 130 and orifice plate 140 respectively with exhaust end 122, thereby form former air chamber 150 above the interior up-hole plate 130 of the first shell 110, the below of orifice plate 140 forms exhaust chamber 160, between up-hole plate 130 and orifice plate 140, form pure qi (oxygen) cavity 124, the first air inlet 111 and former air chamber 150 conductings, first row gas port 113 and 160 conductings of pure qi (oxygen) cavity, the bottom of exhaust chamber 160 is provided with taper expansion chamber, the first ash discharging hole 113 is positioned at taper expansion chamber bottom, the second gas-filtering device 500 comprises with the second air inlet 511, the second housing 510 of second row gas port 512 and the second ash discharging hole 513 and be arranged on the second filter core 520 in second housing 510, the second air inlet 511 respectively be arranged on the second Primordial Qi transfer valve K6 on Primordial Qi input pipe 200 and and the downtake pipe 610 that leads to the first ash can 400 be connected, second row gas port 512 is connected with the second pure qi (oxygen) delivery valve K5 being arranged on pure qi (oxygen) efferent duct 300, the second ash discharging hole 513 connects the second ash-valve K4, the below of the second ash-valve K4 is provided with the second ash can 800 being connected with the output of the second ash-valve K4, the second ash can 800 is connected with the second exhaust pipe 620 that leads to the first air inlet 111, on downtake pipe 610 and second exhaust pipe 620, be respectively equipped with the first control valve K7 and the second control valve K8, in addition the second filter core 520 adopts equally sintered ceramic porous material membrane cartridges (also can adopt cemented iron aluminum base alloy porous material membrane cartridge) and is the columnar structured of both ends open, its upper end is inlet end 521, lower end is exhaust end 522, inlet end 521 and the second air inlet 511 conductings, exhaust end 522 and the second ash discharging hole 513 conductings, between inlet end 521 and exhaust end 522, it is filtration channel 523, between filtration channel 523 and second housing 510, there is the pure qi (oxygen) cavity 524 being separated to form by the second filter core 520, inlet end 521 is arranged in second housing 510 by up-hole plate 530 and orifice plate 540 respectively with exhaust end 522, thereby above the interior up-hole plate 530 of second housing 510, form former air chamber 550, the below of orifice plate 540 forms exhaust chamber 560, between up-hole plate 530 and orifice plate 540, form described pure qi (oxygen) cavity 524, the second air inlet 511 and former air chamber 550 conductings, second row gas port 512 and 524 conductings of pure qi (oxygen) cavity, the bottom of exhaust chamber 560 is provided with taper expansion chamber, the second ash discharging hole 513 is positioned at taper expansion chamber bottom.
It should be noted that, in the gas filter system of above-mentioned said embodiment 2, the first air inlet 111 can be an air inlet being simultaneously connected with Primordial Qi input pipe 200 and second exhaust pipe 620 respectively, can certainly be two air inlets that are connected with Primordial Qi input pipe 200 and second exhaust pipe 620 respectively; In like manner, the second air inlet 511 can be an air inlet being simultaneously connected with Primordial Qi input pipe 200 and downtake pipe 610 respectively, can certainly be two air inlets that are connected with Primordial Qi input pipe 200 and downtake pipe 610 respectively.
Identical with embodiment 1, the pure qi (oxygen) efferent duct 300 that the pure qi (oxygen) efferent duct 300 that first row gas port 112 in embodiment 2 connects is connected with second row gas port 512 can finally pool same pure qi (oxygen) efferent duct, then this pure qi (oxygen) efferent duct connects a total blower fan 900 again, thereby for the motion of gas to be filtered in system provides driving force, at this moment, gas filter system is the negative pressure system that a power-equipment is positioned at gas filter system rear end.
As shown in Figure 2, in the gas filter system of embodiment 2, the gas to be filtered entering from the first air inlet 111 is provided with even gas distribution device 700 equally between the first air inlet 111 and the inlet end 121 of the first filter core 120 in the first gas-filtering device 100, to can be assigned to the inlet end 121 of each the first different filter core 120 as far as possible uniformly.Even gas distribution device 700 specifically can be dispensed to gas to be filtered by many different pipelines the inlet end 121 of different the first filter cores 120, and as shown in Figure 3, the concrete even gas distribution plate 710 that adopts of the present embodiment 1, is distributed with passage 711 on even gas distribution plate 710.Wherein, as Fig. 3, the diameter of these passages 711 preferably increases gradually along mind-set peripheral direction in even gas distribution plate 710, like this, can be good at making up center air pressure because of former air chamber 150 large, periphery air pressure is little and the problem that causes gas to be filtered more to enter the first filter core 120 further improves the uniformity that gas to be filtered distributes.In addition, in the second gas-filtering device 500 between the second air inlet 511 and the inlet end 521 of the second filter core 520 the same even gas distribution device 700 that is provided with said structure.
In the gas filter system of embodiment 2, because the first gas-filtering device 100 is identical with the structure of the second gas-filtering device 500, therefore between the first gas-filtering device 100 and the second gas-filtering device 500, preferably no longer as embodiment 1, be divided into main gas filtration equipment and the gas filtration equipment helping out, but between the first gas-filtering device 100 and the second gas-filtering device 500 gas flow to be filtered of mean allocation filtration time and processing.Like this, the first gas-filtering device 100 can adopt identical scale with the second gas-filtering device 500, for example, the first filter core 120 and the second filter core 520 are all designed to become 1.7-2.2 rice long, thereby greatly improves the operating efficiency of gas filter system.In addition, in the gas filter system of embodiment 2, the first gas-filtering device 100 and the second gas-filtering device 500 can both be realized by gas to be filtered cartridge surface is carried out to air-flow shearing deashing, therefore gas filter system can fully phase out current back-blowing dust removing device, thus construction cost and the use cost of reduction system.Cancel back-blowing dust removing device and also have a very useful and cost-effective advantage in the time filtering for high-temperature furnace gas: in the past, if use gas filter system to filter high-temperature furnace gas, while filter core being carried out to reverse gas cleaning by back-blowing dust removing device, necessarily require at least blowback air of serviceability temperature more than furnace gas dew-point temperature, otherwise can cause the rapid dewfall of cartridge surface to form pasty state dirt and filter core is caused and is difficult to the blockage recovered, therefore blowback air being carried out to heat temperature raising and supporting Temperature Control Measures becomes the problem that gas filter system multiaspect is right; Gas filter system of the present invention can be cancelled reverse gas cleaning and directly itself carry out the cleaning of filter core with gas to be filtered, does not need gas to heat, and therefore more saves the energy.
The course of work of the gas filter system of embodiment 2 is described in detail as follows: gas filter system has the first operational mode, the second operational mode, the 3rd operational mode and, under the first operational mode, the first Primordial Qi transfer valve K1, the first pure qi (oxygen) delivery valve K2 opens, the first ash-valve K3 and the second control valve K8 close, gas to be filtered enters the first gas-filtering device 100 and is assigned to uniformly the inlet end 121 of each the first filter core 120 by even gas distribution plate 710, gas to be filtered enters in filtration channel 123 from inlet end 121, cannot be again from the exhaust end 122 of the first filter core 120 again through the first ash discharging hole 113, the first ash-valve K3 discharges, and can only permeate by the pure qi (oxygen) cavity 124 outside filtration channel 123, again from first row gas port 112, the first pure qi (oxygen) delivery valve K2 discharges, thereby realize and filtering by the first filter core 120, in this process, the dust being retained down and be attached to filtration channel 123 surfaces increases gradually, pressure in filtration channel 123 is also more and more higher, in the time that pressure reaches setting threshold values, the first ash-valve K3 unlatching that is triggered, the first pure qi (oxygen) delivery valve K2 closes, at this moment gas filter system enters the second operational mode, under the second operational mode, by means of pressure higher in filtration channel 123, the gas to be filtered moment of filtration channel 123 that enters the first gas-filtering device 100 and then enter the first filter core 120 by inlet end 121 from the first air inlet 111 is to exhaust end 122 rapid flows of the first filter core 120, air-flow forms on the surface of filtration channel 120 shearing force of easily peeling off dust, thereby carrying the dust that is attached to filtration channel 123 surfaces successively from the first ash discharging hole 113, the first ash-valve K3 enters the first ash can 400, part dust is in the first ash can 400 sedimentations, part dust enters the second gas-filtering device 500(with gas to be filtered through downtake pipe 610 and guarantees that the second ash-valve K4 closes, the second pure qi (oxygen) delivery valve K5 opens), gas to be filtered enters the inlet end 521 that is assigned to uniformly each the second filter core 520 after the first gas-filtering device 100 by even gas distribution plate 710, gas to be filtered enters in filtration channel 523 from inlet end 521, cannot be again from the exhaust end 522 of the second filter core 520 again through the second ash discharging hole 513, the second ash-valve K4 discharges, and can only permeate by the pure qi (oxygen) cavity 524 outside filtration channel 523, again from second row gas port 512, the second pure qi (oxygen) delivery valve K5 discharges, thereby realize and filtering by the second filter core 520, in this process, the dust being retained down and be attached to filtration channel 523 surfaces increases gradually, pressure in filtration channel 523 is also more and more higher, in the time that pressure reaches setting threshold values, first close the first Primordial Qi transfer valve K1, the first ash-valve K3, the first control valve K7 and the second pure qi (oxygen) delivery valve K5, open the second Primordial Qi transfer valve K6 simultaneously, then open again the second ash-valve K4, the second control valve K8 and the first pure qi (oxygen) delivery valve K2, gas filter system enters the 3rd operational mode, under the 3rd operational mode, gas to be filtered is introduced in a similar manner the second gas-filtering device 500 and carries out deashing, and then enter the first gas-filtering device 100 and filter, when after the 3rd operational mode operation a period of time, switch back again the second operational mode, can in follow-up whole process, repeatedly between the second operational mode and the 3rd operational mode, switch like this, another shears deashing state in air-flow in the time of filtration condition to make an individual filter, improve after back-blowing dust removing device filter core deashing regeneration effect and filter core service life cancelling, also improved filter efficiency simultaneously.
Claims (10)
1. gas filter system, comprise the first gas-filtering device (100), the first gas-filtering device (100) comprises with the first air inlet (111), first shell (110) of first row gas port (112) and the first ash discharging hole (113) and be arranged on the first filter core (120) in the first shell (110), described the first air inlet (111) is connected with the first Primordial Qi transfer valve (K1) being arranged on Primordial Qi input pipe (200), first row gas port (112) is connected with the first pure qi (oxygen) delivery valve (K2) being arranged on pure qi (oxygen) efferent duct (300), the first ash discharging hole (113) connects the first ash-valve (K3), the below of the first ash-valve (K3) is provided with the first ash can (400) being connected with the output of the first ash-valve (K3), it is characterized in that:
Gas filter system also comprises the second gas-filtering device (500), described the second gas-filtering device (500) comprises with the second housing (510) of the second air inlet (511), second row gas port (512) and the second ash discharging hole (513) and is arranged on the second filter core (520) in second housing (510), described the second air inlet (511) is connected with the first ash can (400) by blast pipe (600), second row gas port (512) connects pure qi (oxygen) efferent duct (300), and the second ash discharging hole (513) connects the second ash-valve (K4);
And, described the first filter core (120) is provided with inlet end (121) and exhaust end (122), inlet end (121) and the first air inlet (111) conducting, exhaust end (122) and the first ash discharging hole (133) conducting, between inlet end (121) and exhaust end (122), be filtration channel (123), between filtration channel (123) and the first shell (110), there is the pure qi (oxygen) cavity (124) being separated to form by the first filter core (120), described first row gas port (112) and this pure qi (oxygen) cavity (124) conducting;
Gas filter system has by the first operational mode of above-mentioned each valve control and the second operational mode, under the first operational mode, gas to be filtered enters the first gas-filtering device (100) and realizes and filtering in the filtration channel (123) of the first filter core (120); Under the second operational mode, gas to be filtered is introduced into the first gas-filtering device (100) and when the filtration channel by the first filter core (120) (123), carries the dust that is attached to filtration channel (123) surface and enters the first ash can (400), then enters the second gas-filtering device (500) and is realized and being filtered by the second filter core (520) through blast pipe (600).
2. gas filter system as claimed in claim 1, it is characterized in that: described the second filter core (520) is lower end closed, upper end open columnar structured, the upper end of the second filter core (520) is arranged in second housing (510) by orifice plate (530), thereby form former air chamber (540) in the below of second housing (510) inner hole plate (530), the top of orifice plate (530) forms air-purifying chamber (550), the second air inlet (511) and former air chamber (540) conducting, second row gas port (512) and air-purifying chamber (550) conducting, former air chamber (540) bottom is provided with taper expansion chamber (560), the second ash discharging hole (513) is positioned at taper expansion chamber (560) bottom.
3. gas filter system as claimed in claim 1, it is characterized in that: what described the first filter core (120) was both ends open is columnar structured, its upper end is described inlet end (121), lower end is described exhaust end (122), inlet end (121) is arranged in the first shell (110) by up-hole plate (130) and orifice plate (140) respectively with exhaust end (122), thereby the top of up-hole plate (130) forms former air chamber (150) in the first shell (110), the below of orifice plate (140) forms exhaust chamber (160), between up-hole plate (130) and orifice plate (140), form described pure qi (oxygen) cavity (124), the first air inlet (111) and former air chamber (150) conducting, first row gas port (113) and pure qi (oxygen) cavity (160) conducting, the bottom of exhaust chamber (160) is provided with taper expansion chamber, the first ash discharging hole (113) is positioned at taper expansion chamber bottom.
4. the gas filter system as described in claim 1,2 or 3, is characterized in that: described the first filter core (120) and/or the second filter core (520) adopt sintering inorganic porous material membrane cartridge.
5. want the gas filter system as described in 4 as right, it is characterized in that: described the first filter core (120) and/or the second filter core (520) adopt cemented iron aluminum base alloy porous material membrane cartridge.
6. the gas filter system as described in claim 1,2 or 3, is characterized in that: in the first gas-filtering device (100), be positioned between the first air inlet (111) and the inlet end (121) of the first filter core (120) and be provided with even gas distribution device (700).
7. gas filter system as claimed in claim 6, is characterized in that: described even gas distribution device (700) comprises even gas distribution plate (710), is distributed with passage (711) on even gas distribution plate (710).
8. gas filter system as claimed in claim 7, is characterized in that: the diameter of described passage (711) increases gradually along mind-set peripheral direction in even gas distribution plate (710).
9. gas-filtering device, comprise with air inlet, the shell of exhaust outlet and ash discharging hole and installation filter core in the enclosure, air inlet connects Primordial Qi transfer valve, exhaust outlet connects pure qi (oxygen) delivery valve, ash discharging hole connects ash-valve, it is characterized in that: described filter core is provided with inlet end (121) and exhaust end (122), inlet end (121) and air inlet conducting, exhaust end (122) and ash discharging hole conducting, between inlet end (121) and exhaust end (122), be filtration channel (123), between filtration channel (123) and shell, there is the pure qi (oxygen) cavity (124) being separated to form by filter core, described exhaust outlet and this pure qi (oxygen) cavity conducting, Primordial Qi transfer valve when normal filtration, pure qi (oxygen) delivery valve is opened and ash-valve is closed, and gas to be filtered enters gas-filtering device and the filtration channel (123) of filter core in, realizes filtration, when filter core deashing, ash-valve is opened, and the filtration channel (123) of the gas to be filtered that enters gas-filtering device by filter core carrying is attached to the dust on filtration channel (123) surface and discharges from ash-valve.
10. gas-filtering device as claimed in claim 9, it is characterized in that: what described filter core was both ends open is columnar structured, its upper end is described inlet end (121), lower end is described exhaust end (122), inlet end (121) is installed in the enclosure by up-hole plate (130) and orifice plate (140) respectively with exhaust end (122), thereby the top of up-hole plate (130) forms former air chamber (150) in the enclosure, the below of orifice plate (140) forms exhaust chamber (160), between up-hole plate (130) and orifice plate (140), form described pure qi (oxygen) cavity (124), air inlet and former air chamber (150) conducting, exhaust outlet and pure qi (oxygen) cavity (124) conducting, the bottom of exhaust chamber (160) is provided with taper expansion chamber, ash discharging hole is positioned at taper expansion chamber bottom.
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| CN201410073779.XA CN103816735B (en) | 2014-02-28 | 2014-02-28 | Gas filter system and device |
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| CN201410073779.XA CN103816735B (en) | 2014-02-28 | 2014-02-28 | Gas filter system and device |
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| CN103816735B (en) | 2015-12-02 |
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Denomination of invention: Gas filtration system and device Effective date of registration: 20230106 Granted publication date: 20151202 Pledgee: Agricultural Bank of China Co.,Ltd. Chengdu Tianfu New Area Branch Pledgor: INTERMET TECHNOLOGIES CHENGDU Co.,Ltd. Registration number: Y2023110000003 |
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