CN103816735B - Gas filter system and device - Google Patents
Gas filter system and device Download PDFInfo
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- CN103816735B CN103816735B CN201410073779.XA CN201410073779A CN103816735B CN 103816735 B CN103816735 B CN 103816735B CN 201410073779 A CN201410073779 A CN 201410073779A CN 103816735 B CN103816735 B CN 103816735B
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Abstract
The invention discloses a kind of gas filter system and the device that can carry out air-flow shearing deashing by gas to be filtered to cartridge surface.This system comprises the first gas-filtering device and the second gas-filtering device, gas filter system has by the first operational mode of Valve controlling and the second operational mode, under first operational mode, gas to be filtered enters the first gas-filtering device and realizes filtering in the filtration channel of the first filter core; Under second operational mode, gas to be filtered is introduced into the first gas-filtering device and carries when the filtration channel by the first filter core the dust being attached to filtration channel surface and enters the first ash can, then enters the second gas-filtering device through blast pipe and realizes filtering by the second filter core.
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 kiln all can produce a large amount of dust-laden gas, on the one hand due to the utility mostly containing expectation recovery in these furnace gas dust, air environmental pollution (especially PM2.5 Particulate Pollution) can be caused on the other hand if do not carried out recovery to these dust, but also the production of subsequent product can be affected, therefore, the occasion of most use Industrial Stoves all faces the dust cleaning problem to furnace gas.Current 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 utilize dust arrester installation, and be mainly mechanical dust-precipitator, bag filter and electric cleaner at present, mechanical dust-precipitator common are gravitational precipitator, cyclone dust collectors etc.Bag filter is compared with mechanical dust-precipitator, electric cleaner, difference is that the mode its operation principle using filtration carries out dedusting, namely the cloth bag that gas passes through as filter core is allowed, dust in gas is then tackled by filter core or by the filter cake set up in cartridge surface in filter process, thus realizes gas solid separation.In bag filter use procedure, when blocking cloth bag when forming certain filter cake, then by back-blowing dust removing device startup blowback air, reverse gas cleaning being carried out to cloth bag, maintaining 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 raising further because cloth bag exists non-refractory, easily damaged and filtering accuracy, therefore occur the filter core that the aspect performances such as some heat-resisting quantities, chemical stability, filtering accuracy, mechanical strength are more excellent on the market at present.But, these filter cores are the same with cloth bag, in whole use procedure, gas to be filtered is almost complete passes through filter core in the mode perpendicular to cartridge surface, and blowback air is move in the mode perpendicular to cartridge surface equally during reverse gas cleaning, cause being blocked by dust in the filter core short time, and reverse gas cleaning effect is also not ideal, also there is certain influence service life to filter core.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of gas filter system and the device that can carry out air-flow shearing deashing by gas to be filtered to cartridge surface.
Gas filter system of the present invention, comprise the first gas-filtering device, first gas-filtering device comprises the first shell with the first air inlet, first row gas port and the first ash discharging hole and the first filter core of being arranged in the first shell, described first air inlet is connected with the first Primordial Qi transfer valve be arranged on Primordial Qi input pipe, first row gas port is connected with the first pure qi (oxygen) delivery valve be arranged on pure qi (oxygen) efferent duct, first ash discharging hole connects the first ash-valve, and the below of the first ash-valve is provided with the first ash can be connected with the output of the first ash-valve; Gas filter system also comprises the second gas-filtering device, described second gas-filtering device comprises second housing with the second air inlet, second exhaust port and the second ash discharging hole and the second filter core of being arranged in second housing, described second air inlet is connected with the first ash can by blast pipe, second exhaust port connects pure qi (oxygen) efferent duct, and the second ash discharging hole connects the second ash-valve; And, described 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 is filtration channel between inlet end and exhaust end, there is the pure qi (oxygen) cavity be separated to form by the first filter core, described first row gas port and this pure qi (oxygen) cavity conducting between filtration channel and the first shell; Gas filter system has by the first operational mode of above-mentioned each Valve controlling and the second operational mode, and under the first operational mode, gas to be filtered enters the first gas-filtering device and realizes filtering in the filtration channel of the first filter core; Under second operational mode, gas to be filtered is introduced into the first gas-filtering device and carries when the filtration channel by the first filter core the dust being attached to filtration channel surface and enters the first ash can, then enters the second gas-filtering device through blast pipe and realizes filtering by the second filter core.
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 is filtration channel between inlet end and exhaust end, there is between filtration channel and the first shell the pure qi (oxygen) cavity be separated to form by the first filter core, first row gas port and this pure qi (oxygen) cavity conducting, therefore, at closedown first ash-valve, when opening the first Primordial Qi transfer valve and the first pure qi (oxygen) delivery valve, enter the first gas-filtering device from the first air inlet and then entered the gas to be filtered of filtration channel of the first filter core by inlet end, cannot from the exhaust end of the first filter core again through the first ash discharging hole, first ash-valve is discharged, and can only to the pure qi (oxygen) cavity infiltration outside filtration channel, again from first row gas port, first pure qi (oxygen) delivery valve is discharged, thus realize filtering by the first filter core, in this process, to be retained down and the dust being attached to filtration channel surface increases gradually, pressure in filtration channel is also more and more higher, after opening the first ash-valve, by means of pressure higher in filtration channel, the gas moment to be filtered of the filtration channel entering the first gas-filtering device from the first air inlet and then entered the first filter core by inlet end is flowed fast to the exhaust end of the first filter core, air-flow forms the shearing force easily peeling off dust on the surface of filtration channel, thus carry be attached to filtration channel surface dust successively from the first ash discharging hole, 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, thus realize filtering by the second filter core.Visible, first gas-filtering device of this gas filter system can carry out air-flow by gas to be filtered to cartridge surface and shear deashing, this shearing purge mode can improve filter core deashing regeneration effect with the collaborative work of existing reverse gas cleaning mode, also can substitute reverse gas cleaning mode completely and improve filter core service life (shearing the impact of purge mode to element kit little).
Gas-filtering device of the present invention, comprise the shell with air inlet, exhaust outlet and ash discharging hole and installation filter core in the enclosure, 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 are filtration channel between inlet end and exhaust end, there is the pure qi (oxygen) cavity be separated to form by filter core, described exhaust outlet and this pure qi (oxygen) cavity conducting between filtration channel and shell; During normal filtration, Primordial Qi transfer valve, pure qi (oxygen) delivery valve are opened and ash-valve closedown, and gas to be filtered enters the first gas-filtering device and realizes filtering in the filtration channel of the first filter core; During filter core deashing, ash-valve is opened, and the gas to be filtered entering the first gas-filtering device is by the filtration channel of the first filter core and carry the dust being attached to filtration channel surface and discharge from ash-valve.
To part 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 adds and advantage, part will become obvious from the following description, or be recognized 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.
Detailed description of the invention
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, 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 the first filter core 120 be arranged in the first shell 110, first filter core 120 adopts sintering inorganic porous material membrane cartridge, the cemented iron aluminum base alloy porous material membrane cartridge of excellent combination property under concrete employing hot conditions, described first air inlet 111 is connected with the first Primordial Qi transfer valve K1 be arranged on Primordial Qi input pipe 200, first row gas port 112 is connected with the first pure qi (oxygen) delivery valve K2 be arranged on pure qi (oxygen) efferent duct 300, 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 be connected with the output of the first ash-valve K3, first filter core 120 is the columnar structured of both ends open, its upper end is inlet end 121, lower end is exhaust end 122, it is filtration channel 123 between inlet end 121 and exhaust end 122, between filtration channel 123 and the first shell 110, there is the pure qi (oxygen) cavity 124 be separated to form by the first filter core 120, inlet end 121 and exhaust end 122 are arranged in the first shell 110 respectively by up-hole plate 130 and orifice plate 140, thus Primordial Qi room 150 is formed above up-hole plate 130 in the first shell 110, the below of orifice plate 140 forms exhaust chamber 160, pure qi (oxygen) cavity 124 is formed between up-hole plate 130 and orifice plate 140, first air inlet 111 and Primordial Qi room 150 conducting, first row gas port 112 and pure qi (oxygen) cavity 124 conducting, the bottom of exhaust chamber 160 is provided with taper expansion chamber, first ash discharging hole 113 is positioned at bottom taper expansion chamber, second gas-filtering device 500 comprises with the second air inlet 511, second housing 510 and second filter core 520 be arranged in second housing 510 of second exhaust port 512 and the second ash discharging hole 513, second filter core 520 adopts cemented iron aluminum base alloy porous material membrane cartridge equally, described second air inlet 511 is connected with the first ash can 400 by blast pipe 600, second exhaust port 512 connects pure qi (oxygen) efferent duct 300, second ash discharging hole 513 connects the second ash-valve K4, 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, thus form Primordial Qi room 540 in the below of second housing 510 inner hole plate 530, the top of orifice plate 530 forms air-purifying chamber 550, second air inlet 511 and Primordial Qi room 540 conducting, second exhaust port 512 and air-purifying chamber 550 conducting, taper expansion chamber 560 is provided with bottom Primordial Qi room 540, second ash discharging hole 513 is positioned at bottom taper expansion chamber 560.
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 exhaust port 512 finally can pool same pure qi (oxygen) efferent duct, then this pure qi (oxygen) efferent duct connects a total power-equipment (such as blower fan 900) again, thus provide driving force for the motion of gas to be filtered in system, 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, usually 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, first gas-filtering device 100 is main gas filter plant, 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 a gas filter plant helped out, the just filtration when the first gas-filtering device 100 is in short time deashing state.Therefore, first gas-filtering device 100 should be huger than the second gas-filtering device 500 many, for this reason, it is long that the first filter core 120 in first gas-filtering device 100 can design, such as reach 1.7-2.2 rice (for sintering inorganic porous material membrane cartridge, length manufacture difficulty more than 2.2 meters can be very high), so just can guarantee in limited space 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 considering that the deashing problem after second filter core 520 uses some cycles in the second gas-filtering device 500 wants 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 to install the back-blowing dust removing device the second filter core 520 being carried out to deashing, adopting artificial deashing or clear-cut directly replacing, is all feasible.Certainly, second gas-filtering device 500 had better install back-blowing dust removing device, in such cases, impact on whole system after back-blowing dust removing device startup, can on blast pipe 600 mounted valve (not shown in figure 1), and pipeline between second exhaust port 512 and pure qi (oxygen) efferent duct 300 installs the second pure qi (oxygen) delivery valve K5, to close where necessary.
In addition, as shown in Figure 1, in the gas filter system of embodiment 1, between the first air inlet 111 and the inlet end 121 of the first filter core 120, even gas distribution device 700 is also provided with, to enable the gas to be filtered entered from the first air inlet 111 be assigned to as far as possible uniformly the inlet end 121 of each the first different filter core 120 in first gas-filtering device 100.Gas to be filtered specifically can be dispensed to the inlet end 121 of different first filter core 120 by even gas distribution device 700 by many different pipelines, as shown in Figure 3, the present embodiment 1 specifically adopts even gas distribution plate 710, even gas distribution plate 710 is distributed with passage 711.Wherein, as Fig. 3, the diameter of these passages 711 preferably increases along even gas distribution plate 710 center gradually to peripheral direction, like this, the center air pressure that can be good at making up because of Primordial Qi room 150 is large, periphery air pressure is little and cause gas to be filtered more to enter the problem of the first filter core 120, improves the uniformity that gas to be filtered distributes further.
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 first operational mode, first Primordial Qi transfer valve K1, first pure qi (oxygen) delivery valve K2 opens, first ash-valve K3 closes, gas to be filtered is entered the first gas-filtering device 100 and is assigned to the inlet end 121 of each first filter core 120 by even gas distribution plate 710 uniformly, gas to be filtered enters in filtration channel 123 from inlet end 121, cannot again from the exhaust end 122 of the first filter core 120 again through the first ash discharging hole 113, first ash-valve K3 discharges, and can only permeate to the pure qi (oxygen) cavity 124 outside filtration channel 123, again from first row gas port 112, first pure qi (oxygen) delivery valve K2 discharges, thus realize filtering by the first filter core 120, in this process, to be retained down and the dust being attached to filtration channel 123 surface increases gradually, pressure in filtration channel 123 is also more and more higher, when pressure reaches setting threshold values, first ash-valve K3 is triggered unlatching, first pure qi (oxygen) delivery valve K2 closes (for improving ash-removal effect, first pure qi (oxygen) delivery valve K2 closes and preferably closes), at this moment gas filter system enters the second operational mode, under second operational mode, by means of pressure higher in filtration channel 123, the gas moment to be filtered of the filtration channel 123 entering the first gas-filtering device 100 from the first air inlet 111 and then entered the first filter core 120 by inlet end 121 is flowed fast to the exhaust end 122 of the first filter core 120, air-flow forms the shearing force easily peeling off dust on the surface of filtration channel 120, thus carry be attached to filtration channel 123 surface dust successively from the first ash discharging hole 113, first ash-valve K3 enters the first ash can 400, part dust is in the first ash can 400 sedimentation, part dust enters the second gas-filtering device 500 with gas to be filtered through blast pipe 600, thus realize filtering by the second filter core 520, setting threshold values is dropped to once the filtration pressure difference when the first gas-filtering device 100, close the first ash-valve K3 at once and open the first pure qi (oxygen) delivery valve K2, System recover is to the first operational mode.Repeated multiple timesly be switched to the second operational mode, also can cause the second filter core 520 adhering to more dust form filter cake and the filtration pressure difference of the second filter core 520 both sides is increased, after the filtration pressure difference of the second filter core 520 both sides increases to setting threshold values, start the back-blowing dust removing device of the second gas-filtering device 500, dust on second filter core 520 is entered in taper expansion chamber 560, and regularly opens the second ash-valve K4 and 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, also improves 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, 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 the first filter core 120 be arranged in the first shell 110, first filter core 120 adopts sintered ceramic porous material membrane cartridge (also can adopt cemented iron aluminum base alloy porous material membrane cartridge), described first air inlet 111 is connected with the first Primordial Qi transfer valve K1 be arranged on Primordial Qi input pipe 200, first row gas port 112 is connected with the first pure qi (oxygen) delivery valve K2 be arranged on pure qi (oxygen) efferent duct 300, 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 be connected with the output of the first ash-valve K3, first filter core 120 is the columnar structured of both ends open, its upper end is inlet end 121, lower end is exhaust end 122, it is filtration channel 123 between inlet end 121 and exhaust end 122, between filtration channel 123 and the first shell 110, there is the pure qi (oxygen) cavity 124 be separated to form by the first filter core 120, inlet end 121 and exhaust end 122 are arranged in the first shell 110 respectively by up-hole plate 130 and orifice plate 140, thus Primordial Qi room 150 is formed above up-hole plate 130 in the first shell 110, the below of orifice plate 140 forms exhaust chamber 160, pure qi (oxygen) cavity 124 is formed between up-hole plate 130 and orifice plate 140, first air inlet 111 and Primordial Qi room 150 conducting, first row gas port 112 and pure qi (oxygen) cavity 124 conducting, the bottom of exhaust chamber 160 is provided with taper expansion chamber, first ash discharging hole 113 is positioned at bottom taper expansion chamber, second gas-filtering device 500 comprises with the second air inlet 511, second housing 510 and second filter core 520 be arranged in second housing 510 of second exhaust port 512 and the second ash discharging hole 513, second air inlet 511 respectively with the second Primordial Qi transfer valve K6 be arranged on Primordial Qi input pipe 200 and and lead to the downtake pipe 610 of the first ash can 400 and be connected, second exhaust port 512 is connected with the second pure qi (oxygen) delivery valve K5 be arranged on pure qi (oxygen) efferent duct 300, 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 be connected with the output of the second ash-valve K4, second ash can 800 is connected with the second exhaust pipe 620 leading to the first air inlet 111, downtake pipe 610 and second exhaust pipe 620 are respectively equipped with the first control valve K7 and the second control valve K8, in addition the second filter core 520 adopts sintered ceramic porous material membrane cartridge (also can adopt cemented iron aluminum base alloy porous material membrane cartridge) equally 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 conducting, exhaust end 522 and the second ash discharging hole 513 conducting, it is filtration channel 523 between inlet end 521 and exhaust end 522, there is between filtration channel 523 and second housing 510 the pure qi (oxygen) cavity 524 be separated to form by the second filter core 520, inlet end 521 and exhaust end 522 are arranged in second housing 510 respectively by up-hole plate 530 and orifice plate 540, thus Primordial Qi room 550 is formed above up-hole plate 530 in second housing 510, the below of orifice plate 540 forms exhaust chamber 560, described pure qi (oxygen) cavity 524 is formed between up-hole plate 530 and orifice plate 540, second air inlet 511 and Primordial Qi room 550 conducting, second exhaust port 512 and pure qi (oxygen) cavity 524 conducting, the bottom of exhaust chamber 560 is provided with taper expansion chamber, second ash discharging hole 513 is positioned at bottom taper expansion chamber.
It should be noted that, in the gas filter system of above-mentioned said embodiment 2, first air inlet 111 can be an air inlet be simultaneously connected with Primordial Qi input pipe 200 and second exhaust pipe 620 respectively, can certainly be two air inlets be 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 be simultaneously connected with Primordial Qi input pipe 200 and downtake pipe 610 respectively, can certainly be two air inlets be 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 exhaust port 512 finally can pool same pure qi (oxygen) efferent duct, then this pure qi (oxygen) efferent duct connects a total blower fan 900 again, thus provide driving force for the motion of gas to be filtered in system, 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, be provided with even gas distribution device 700, to enable the gas to be filtered entered from the first air inlet 111 be assigned to as far as possible uniformly the inlet end 121 of each the first different filter core 120 equally between the first air inlet 111 and the inlet end 121 of the first filter core 120 in first gas-filtering device 100.Gas to be filtered specifically can be dispensed to the inlet end 121 of different first filter core 120 by even gas distribution device 700 by many different pipelines, as shown in Figure 3, the present embodiment 1 specifically adopts even gas distribution plate 710, even gas distribution plate 710 is distributed with passage 711.Wherein, as Fig. 3, the diameter of these passages 711 preferably increases along even gas distribution plate 710 center gradually to peripheral direction, like this, the center air pressure that can be good at making up because of Primordial Qi room 150 is large, periphery air pressure is little and cause gas to be filtered more to enter the problem of the first filter core 120, improves the uniformity that gas to be filtered distributes further.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 being 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 the gas filter plant being preferably no longer divided into main gas filter plant as embodiment 1 between the first gas-filtering device 100 and the second gas-filtering device 500 and help out, but the gas flow to be filtered of mean allocation filtration time and process between the first gas-filtering device 100 and the second gas-filtering device 500.Like this, the first gas-filtering device 100 can adopt identical scale with the second gas-filtering device 500, such as, the first filter core 120 and the second filter core 520 are all designed that to become 1.7-2.2 rice long, thus 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 realize carrying out air-flow by gas to be filtered to cartridge surface and shear deashing, therefore gas filter system can fully phase out current back-blowing dust removing device, thus the construction cost of reduction system and use cost.Cancel back-blowing dust removing device and also have a very useful and cost-effective advantage when filtering for high-temperature furnace gas: in the past, if use gas filter system to filter high-temperature furnace gas, the at least blowback air of serviceability temperature more than furnace gas dew-point temperature is necessarily required when reverse gas cleaning being carried out to filter core by back-blowing dust removing device, otherwise cartridge surface can be caused to condense rapidly and to form pasty state dirt and filter core caused to the blockage being difficult to recover, therefore heat temperature raising be carried out to blowback air and supporting Temperature Control Measures becomes the right problem of gas filter system multiaspect; Gas filter system of the present invention can be cancelled reverse gas cleaning and directly use gas to be filtered itself to carry out the cleaning of filter core, does not need to heat gas, 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, second operational mode, 3rd operational mode and, under first operational mode, first Primordial Qi transfer valve K1, first pure qi (oxygen) delivery valve K2 opens, first ash-valve K3 and the second control valve K8 closes, gas to be filtered is entered the first gas-filtering device 100 and is assigned to the inlet end 121 of each first filter core 120 by even gas distribution plate 710 uniformly, gas to be filtered enters in filtration channel 123 from inlet end 121, cannot again from the exhaust end 122 of the first filter core 120 again through the first ash discharging hole 113, first ash-valve K3 discharges, and can only permeate to the pure qi (oxygen) cavity 124 outside filtration channel 123, again from first row gas port 112, first pure qi (oxygen) delivery valve K2 discharges, thus realize filtering by the first filter core 120, in this process, to be retained down and the dust being attached to filtration channel 123 surface increases gradually, pressure in filtration channel 123 is also more and more higher, when pressure reaches setting threshold values, first ash-valve K3 is triggered unlatching, first pure qi (oxygen) delivery valve K2 closes, at this moment gas filter system enters the second operational mode, under second operational mode, by means of pressure higher in filtration channel 123, the gas moment to be filtered of the filtration channel 123 entering the first gas-filtering device 100 from the first air inlet 111 and then entered the first filter core 120 by inlet end 121 is flowed fast to the exhaust end 122 of the first filter core 120, air-flow forms the shearing force easily peeling off dust on the surface of filtration channel 120, thus carry be attached to filtration channel 123 surface dust successively from the first ash discharging hole 113, first ash-valve K3 enters the first ash can 400, part dust is in the first ash can 400 sedimentation, 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, second pure qi (oxygen) delivery valve K5 opens), be assigned to the inlet end 521 of each second filter core 520 uniformly by even gas distribution plate after gas to be filtered enters the second gas-filtering device 500, gas to be filtered enters in filtration channel 523 from inlet end 521, cannot again from the exhaust end 522 of the second filter core 520 again through the second ash discharging hole 513, second ash-valve K4 discharges, and can only permeate to the pure qi (oxygen) cavity 524 outside filtration channel 523, again from second exhaust port 512, second pure qi (oxygen) delivery valve K5 discharges, thus realize filtering by the second filter core 520, in this process, to be retained down and the dust being attached to filtration channel 523 surface increases gradually, pressure in filtration channel 523 is also more and more higher, when pressure reaches setting threshold values, first close the first Primordial Qi transfer valve K1, first ash-valve K3, first control valve K7 and the second pure qi (oxygen) delivery valve K5, open the second Primordial Qi transfer valve K6 simultaneously, then the second ash-valve K4 is opened again, second control valve K8 and the first pure qi (oxygen) delivery valve K2, gas filter system enters the 3rd operational mode, under 3rd operational mode, gas to be filtered is introduced into the second gas-filtering device 500 in a similar manner and carries out deashing, and then enter the first gas-filtering device 100 and filter, after the 3rd operational mode runs a period of time, switch back again the second operational mode, repeatedly can switch between the second operational mode and the 3rd operational mode in follow-up whole process like this, when making an individual filter be in filtration condition, another is in air-flow shearing deashing state, filter core deashing regeneration effect and filter core service life is improved after cancellation back-blowing dust removing device, also improve filter efficiency simultaneously.
Claims (8)
1. gas filter system, comprise the first gas-filtering device (100), 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 the first filter core (120) be arranged in the first shell (110), described first air inlet (111) is connected with the first Primordial Qi transfer valve (K1) be arranged on Primordial Qi input pipe (200), first row gas port (112) is connected with the first pure qi (oxygen) delivery valve (K2) be arranged on pure qi (oxygen) efferent duct (300), 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) be 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 second gas-filtering device (500) comprises with the second air inlet (511), the second housing (510) of second exhaust port (512) and the second ash discharging hole (513) and the second filter core (520) be arranged in second housing (510), described second air inlet (511) is connected with the first ash can (400) by blast pipe (600), second exhaust port (512) connects pure qi (oxygen) efferent duct (300), second ash discharging hole (513) connects the second ash-valve (K4),
And, described 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 (113) conducting, be filtration channel (123) between inlet end (121) and exhaust end (122), there is between filtration channel (123) and the first shell (110) the pure qi (oxygen) cavity (124) be 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 controlling and the second operational mode, under first operational mode, gas to be filtered enters the first gas-filtering device (100) and realizes filtering in the filtration channel (123) of the first filter core (120); Under second operational mode, gas to be filtered is introduced into the first gas-filtering device (100) and carries the dust being attached to filtration channel (123) surface when filtration channel (123) by the first filter core (120) and enters the first ash can (400), then enters the second gas-filtering device (500) through blast pipe (600) and realizes filtering by the second filter core (520).
2. gas filter system as claimed in claim 1, it is characterized in that: described 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), thus form Primordial Qi room (540) in the below of second housing (510) inner hole plate (530), the top of orifice plate (530) forms air-purifying chamber (550), second air inlet (511) and Primordial Qi room (540) conducting, second exhaust port (512) and air-purifying chamber (550) conducting, bottom, Primordial Qi room (540) is provided with taper expansion chamber (560), 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 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) and exhaust end (122) are arranged in the first shell (110) respectively by up-hole plate (130) and orifice plate (140), thus the top of up-hole plate (130) forms Primordial Qi room (150) in the first shell (110), the below of orifice plate (140) forms exhaust chamber (160), described pure qi (oxygen) cavity (124) is formed between up-hole plate (130) and orifice plate (140), first air inlet (111) and Primordial Qi room (150) conducting, first row gas port (112) and pure qi (oxygen) cavity (124) conducting, the bottom of exhaust chamber (160) is provided with taper expansion chamber, first ash discharging hole (113) is positioned at bottom taper expansion chamber.
4. the gas filter system as described in claim 1,2 or 3, is characterized in that: described first filter core (120) and/or the second filter core (520) adopt sintering inorganic porous material membrane cartridge.
5. gas filter system as claimed in claim 4, is characterized in that: described 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: be provided with even gas distribution device (700) between the inlet end (121) being positioned at the first air inlet (111) and the first filter core (120) in the first gas-filtering device (100).
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), even gas distribution plate (710) is distributed with passage (711).
8. gas filter system as claimed in claim 7, is characterized in that: the diameter of described passage (711) increases along even gas distribution plate (710) center gradually to peripheral direction.
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| CN201410073779.XA CN103816735B (en) | 2014-02-28 | 2014-02-28 | Gas filter system and device |
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| CN103816735B true CN103816735B (en) | 2015-12-02 |
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| CN108745604B (en) * | 2018-06-04 | 2020-08-25 | 叶其才 | Automatic separation and sorting method and equipment for powder materials |
| CN115193178B (en) * | 2022-06-29 | 2023-07-04 | 成都易态科技有限公司 | Flue gas filtering and dust removing device and yellow phosphorus flue gas purifying system |
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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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