CN102732658B - Blast furnace gas gas-phase fluctuation reverse blow inner-filtering bag filter - Google Patents
Blast furnace gas gas-phase fluctuation reverse blow inner-filtering bag filter Download PDFInfo
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- CN102732658B CN102732658B CN201210193976.6A CN201210193976A CN102732658B CN 102732658 B CN102732658 B CN 102732658B CN 201210193976 A CN201210193976 A CN 201210193976A CN 102732658 B CN102732658 B CN 102732658B
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Abstract
The invention discloses a deduster, particularly a blast furnace gas gas-phase fluctuation reverse blow inner-filtering bag filter for preventing leakage of a seal of a filter bag from when removing dust, comprising a container and a filtering unit arranged in the container, wherein the container bottom is a dust hopper, the filtering unit comprises an installation structure and a filter bag arranged on the installation structure, the filtering unit divides the container into an upper clean gas space and a lower raw gas space, the container is provided with a raw gas inlet and a clean gas outlet, the raw gas inlet is communicated with the raw gas space, the clean gas outlet is communicated with the clean gas space, the installation structure comprises a hanging platform and an installation tubesheet, the open seal of the filter bag is connected with the installation tubesheet and is communicated with the raw gas space, the hanging platform is arranged in the clean gas space, the hanging platform is provides with an elastic hanging unit, and the filter bag cap is hung on the elastic hanging unit.
Description
Technical field
The present invention relates to a kind of fly-ash separator, especially a kind of blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator.
Background technology
Iron and steel enterprise's blast furnace gas fully-dried type dust settling pocket technique, because domestic crude steel production capacity is larger, country considers from energy-saving and environmental protection, has carried out special regulation, thereby be widely used at home in industry standard, rules.Developed countries is subject to the impact of environmental protection, technology, and the application of full dry bag process device is subject to certain restrictions.The blast furnace gas impulse sack cleaner that domestic application is more, from environmental dust removal device, develop, to take high pressure nitrogen as deashing power, utilize pulse valve to be controlled at moment and emit nitrogen, inject at a high speed filter bag, filter bag is sharply expanded, rely on striking energy and blowback air stream to carry out deashing, mainly by pulse of nitrogen Controlling System, filter bag cylindrical shell, card, outside filter method filter bag, the compositions such as bag cage, filter bag relies on snap ring to be fixed on card, and complete the isolation of clean coal air chamber and rough coal air chamber, owing to will inevitably cause the vibration of filter bag when carrying out pulse dust cleaning, will cause for a long time the sack of filter bag and the sealing of card to occur gap, sack inevitably leaks ash, filter bag only has one end to fix, in with pulse compression gas deashing, only depend on filter bag self to expand and wave deashing, finite elastic due to filter bag self, the pulse dust cleaning that power is little can cause filter bag distortion limited, ash-removal effect is bad, when power is large, deashing intensity greatly but cause the damage of filter bag greatly, causes the problems such as in practical application, levels of leakage is high, filtering accuracy is low simultaneously, on TRT turbine and rear portion blast furnace gas, uses the impact of transmission & distribution processing apparatus larger.
In order to optimize the ash-clearing technology of pulse bag type dust collector, gas pulse sack cleaner, rotation impulse sack cleaner etc. arises at the historic moment, but is applied in dedusting of blast furnace gas, poor effect, and problem is not still solved at all.More domestic steel mills attempt reverse back-blowing inward flow filtration-type pocket type fly-ash separator to be applied in dedusting of blast furnace gas, though the aspect performances such as the deashing intensity of filter bag, life-span of the filter bag, support equipment reliability are better than pulse bag type dust collector, from TRT system and subsequent process, the requirement of dedusting of blast furnace gas precision and stability are also had to gap.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of filter bag blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator that seal leaks when deashing of avoiding.
The present invention solves the blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator that its technical problem adopts, comprise container, be arranged on the filtering unit in container, the bottom of described container is ash bucket, described filtering unit comprises mounting structure and is arranged on the filter bag on described mounting structure, described filtering unit is divided into the purified gas space on top and the raw gas space of bottom by described container, on described container, be provided with raw gas import and purified gas outlet, described raw gas import is communicated with described raw gas space, described purified gas outlet is communicated with described purified gas space, described mounting structure comprises hanging platform and card is installed, the opening of described filter bag is sealedly connected on to be installed on card and is connected with described raw gas space, described hanging platform is arranged in purified gas space, on described hanging platform, be provided with resilient hanger device, the CAP NUTS of described filter bag is hung on described resilient hanger device.
Further, also comprise purified gas back blow port, described purified gas back blow port is connected with described purified gas space.
Be further, also comprise clean coal tracheae, described clean coal tracheae enters container from ash bucket, through described installation card, is connected with described purified gas space, and described purified gas outlet is all arranged on described purified gas back blow port the outer end that described clean coal tracheae is positioned at container.
Be further, described filter bag is by woven fiberglass layer and the compound formation of expanded PTFE (ePTFE) layer, described woven fiberglass layer is outer, described eptfe layer is internal layer, raw gas is via container card hole, enter filter bag, dust is by the filtering of internal layer varicosity eptfe layer, then enters container purified gas space by the woven fiberglass layer of outer supporting role.
Further, the rectangular trapezoidal shape in the cross section of described ash bucket, the sidewall of described ash bucket comprises that at least one vertically leads grey portion and grey portion is led at least one inclination.
Further, described ash bucket consists of arc surfaced, sidewall plane or its combination.
Further, described resilient hanger device comprises elastic hook and flexible chain, and described elastic hook one end is hung on flexible chain, and the other end is hung on CAP NUTS; One end of described flexible chain is connected on described hanging platform, and the other end is connected to one end of elastic hook hanging bag cap.
Further, also comprise shrinking-proof ring, described shrinking-proof ring is arranged on described filter bag.
Further, also comprise bulk cement storage tank, described bulk cement storage tank is connected with the outlet of described ash bucket, is provided with star-shaped dust-discharging valve and flat closed type Special cut-off valve in the outlet of described ash bucket.
Be further, also comprise storehouse pump and ash releasing tube, described ash releasing tube is connected with described storehouse pump, and described storehouse pump is arranged in bulk cement storage tank, described ash releasing tube is through outside described bulk cement storage tank is communicated to, and described ash releasing tube is positioned at and on the one end outside described bulk cement storage tank, is provided with storehouse pump discharge trip valve.
The invention has the beneficial effects as follows: because filter bag is to hang on hanging platform by resilient hanger device, and keep rational tensile force.Therefore when adopting reverse gas cleaning, reasonable pressure, the blowback air-flow of flow and time length, by the anti-blowpipe of particular design and the plane of reflection of container top, on the ring section of container that filter bag is installed, produce evenly lower pressure gas stream, because filter bag bottom and installation card are fixed, pressing down the pressure of airflow function on filter bag surface makes filter bag reversal deformation (filtering working order with respect to filter bag) and shrinks, cohesion is the axial tension of filter bag, the resilient hanger device on stretching filter bag top, after lower pressure gas stream disappears, form the pulsation up and down of filter bag, complete main deashing action.Resistance of the filter bag larger (can be that dust stratification is more, especially filter bag surface scale), the deformation force of filter bag is larger, and the axial tension of cohesion is larger, and filter bag pulsation is more violent, so this soot cleaning system has adaptive ability to reach best ash-removal effect.This patent is different from the feature of traditional reverse gas cleaning, is exactly using the pulsation of filter bag as main purge mode, and traditional reverse gas cleaning can not adapt to raw gas in the operating mode of filter bag surface scale.Certainly, what blowback formed presses down airflow function on CAP NUTS, and the pulling force that resilient hanger device is formed also can help filter bag to form pulsation in various degree.In a word, system architecture, when realizing filtration, is also dust and the deashing energy of shaking off dust or dirty piece of reasonably blowing off by the energy distribution of blowback air-flow.Filtration and cleaning efficiency have been improved greatly.Because pulsation is longitudinally carried out along filter bag, the radially mechanical seal between filter bag lower opening and installation card, and the sealing of the expansion between filter bag upper shed and CAP NUTS, unaffected, got rid of the possibility that dust is revealed; Meanwhile, filter bag two ends are fixed, and the displacement that filter bag departs from longitudinal cenlerline is restricted, and have reduced collision probability between filter bag (being different from the socle girder fixed form of the long filter bag of pulse), and filter bag is avoided collision machine damage.Purified gas outlet shares with purified gas back blow port, from ash bucket, draws, and makes purified gas outlet glasses valve, back blowing machine and back-flushing valve all in bottom, easy access operation.Filter bag covers formation by woven fiberglass layer and expanded PTFE (ePTFE) layer heat, can bear high temperature, avoids to greatest extent burning bag risk, and bi-material stable chemical performance simultaneously is not hydrolyzed, anti-strong acid, makes filter bag avoid blast furnace gas acid dewing corrosion.The superelevation filtering accuracy of eptfe film, makes dust fouling only occur in film surface, and the characteristic of the extremely smooth and hydrophobic of film is also more easily removed the fouling occurring.Cross section is the asymmetric grey bucket structure of right-angled trapezium, makes heap ash be difficult for forming, and defeated ash is more smooth and easy.Finally reach: meeting to greatest extent under the prerequisite of blast furnace gas operating mode, making the stable reach≤0.5mg/Nm3(of filtering accuracy of fly-ash separator than the high 1-2 of a prior art order of magnitude), reliability significantly promotes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A place enlarged view of Fig. 1;
Fig. 3 is the schematic diagram of a kind of embodiment of ash bucket;
Fig. 4 is the schematic diagram of the another kind of embodiment of ash bucket
Component, position and numbering in figure: container 1, filter bag 2, hanging platform 3, card 4, raw gas import 5, purified gas outlet 6, resilient hanger device 7, ash bucket 8, raw gas space 9, clean coal tracheae 10, purified gas space 11, purified gas back blow port 12, bulk cement storage tank 13, ash releasing tube 14, CAP NUTS 21, elastic hook 71, flexible chain 72 are installed, vertically lead grey portion 81, are tilted to lead grey portion 82.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the present invention includes container 1, be arranged on the filtering unit in container 1, the bottom of described container 1 is ash bucket 8, described filtering unit comprises mounting structure and is arranged on the filter bag 2 on described mounting structure, described filtering unit is divided into described container 1 in the raw gas space 9 of the 11He bottom, purified gas space on top, on described container 1, be provided with raw gas import 5 and purified gas outlet 6, described raw gas import 5 is communicated with described raw gas space 9, described purified gas outlet 6 is communicated with described purified gas space 11, described mounting structure comprises hanging platform 3 and card 4 is installed, the opening of described filter bag 2 is sealedly connected on to be installed on card 4 and is connected with described raw gas space 9, described hanging platform 3 is arranged in purified gas space 11, on described hanging platform 3, be provided with resilient hanger device 7, the CAP NUTS 21 of described filter bag 2 is hung on described resilient hanger device 7.Ash bucket 8 itself forms a part for container 1, is positioned at the bottom of container 1, and ash bucket 8 is generally integrally connected by the upper part of flange and container 1, can be also welding or one-body molded.Hanging platform 3 is spaced a distance and is arranged in container 1 with installation card 4, filter bag 2 arranges corresponding quantity as required, the CAP NUTS 21 of filter bag 2 is hung on hanging platform 3 by resilient hanger device 7, it is tabular that installation card 4 is generally porous, the opening of each Kong Yuyi filter bag 2 is corresponding, the opening of filter bag 2 seals and communicates with raw gas space 9 with card 4 is installed, and in fact now the internal space of filter bag 2 own has been separated into container 1 the raw gas space 9 of the 11He bottom, purified gas space on top jointly with installation card 4.When operation, the outlet of ash bucket 8 is in closing condition, need the raw gas filtering to enter into raw gas space 9 from raw gas import 5, raw gas enters into filter bag 2 from the opening of filter bag 2, dust in raw gas is blocked in filter bag 2, purified gas after filtration sees through filter bag 2 and enters into purified gas space 11, and then purified gas exports 6 discharges by purified gas, with this, reaches the effect of dedusting.In use for some time, because dust is constantly piled up on the inwall of filter bag 2, cause the filtration efficiency of filter bag 2 to reduce, pressure reduction constantly increases, when reaching the value of setting, pressure reduction just need to carry out deashing to filter bag 2, so that filter bag 2 recovers filtration efficiency, now close purified gas outlet 6, purified gas blowback producer (can be back blowing machine) and purified gas outlet 6 are connected, the purified gas blowback of boosting is to purified gas space 11, because filter bag 2 is installed on hanging platform 3 by resilient hanger device 7, the general spring that adopts of resilient hanger device 7, can certainly be that some resilient materials are made, filter bag 2 relies on evenly two reactive forces of the formation of the blowback air-flow of reflection of cylindrical shell top: the downward pulling force of filter bag 2 CAP NUTSs under evenly reverse air pressure, make filter bag 2 bags radially inhale flat produced simultaneously filter bag 2 axial shrinkage pulling force with reverse air pressure, tensile elasticity erecting by overhang 7, after blowback air-flow disappears, filter bag 2 up-down vibration, when coordinating of the Young's modulus of blowback air flowing pressure and flow and filter bag 2 and resilient hanger device 7, while reaching the best, can complete the deashing of filter bag 2 and snaking, the dust that filter bag 2 inwalls adhere to or dirty piece are departed from by blowback and shake off, the process of snaking more has benefited from the shake of filter bag.The characteristic of more extremely smooth due to eptfe film and hydrophobic, deashing energy can be reduced to 20% of common energy, even lower.
Dust and dirty piece are collected by ash bucket 8, utilize the opening of ash bucket 8 to discharge.
Concrete, as shown in Figure 1, the present invention also comprises purified gas back blow port 12, described purified gas back blow port 12 is connected with described purified gas space 11.Purified gas back blow port 12 adopts same pipeline to be communicated with purified gas space 11 with purified gas outlet 6, and both all control switching by valve, when raw gas purifying filters, opens purified gas and exports 6 purified gas back blow ports in closing condition 12; Otherwise, in for filter bag 2 ash disposal, close purified gas outlet 6 and open purified gas back blow port 12.Adopt the mode of off-line ash-clearing.
As shown in Figure 1, the present invention also comprises clean coal tracheae 10, and clean coal tracheae 10 can enter from the top of container 1, is directly connected with purified gas space 11.Preferred: described clean coal tracheae 10 enters container 1 from ash bucket 8, through described installation card 4, be connected with described purified gas space 11, described purified gas outlet 6 is all arranged on described purified gas back blow port 12 outer end that described clean coal tracheae 10 is positioned at container 1.The equipment that so better layout is connected with gas pipe, equipment is all arranged on more lower position, is convenient to install, overhauls and monitoring.
In order to improve the performance of filter bag 2, described filter bag 2 covers formation by woven fiberglass layer and expanded PTFE (ePTFE) layer heat, and described woven fiberglass layer is outer, and described expanded PTFE (ePTFE) layer is internal layer.Adopt after above-mentioned materials, the heatproof of filter bag 2 filtering systems reaches the upper limit of 260 ℃ of non-stop run temperature, avoids to greatest extent burning bag risk, and bi-material stable chemical performance simultaneously is not hydrolyzed, anti-strong acid, makes filter bag avoid blast furnace gas acid dewing corrosion; The application of film (surface) filtering technique, blast-furnace dust is only deposited in film surface, the characteristic of and hydrophobic extremely smooth due to expanded PTFE (ePTFE) film, filter bag 2 has possessed that deashing (dirt) energy is low, the ability of ant-scaling, and filtering system restorability is strong.Meet the inevitably industrial and mineral of dewfall fouling in short-term of blast furnace gas, last, due to the superelevation filtering accuracy of expanded PTFE (ePTFE) film, make the high 1-2 of the filtering accuracy than a prior art fly-ash separator order of magnitude of fly-ash separator.The thickness of eptfe film (ePTFE) layer is generally 10 μ m～30 μ m, and the thickness of described woven glass layer is generally 0.3mm～0.5mm.Eptfe film (ePTFE) is born filtering function, and woven glass layer is mainly born supporting role.
The cross section of common ash bucket is generally isosceles triangle shape, in the situation that deashing amount is larger, the black dirt that the right and left wall slides is more, be deposited in outlet simultaneously, easily cause outlet to stop up, for fear of ash bucket 8 ash output holes, stop up, as shown in Figure 1, the rectangular trapezoidal shape in cross section of described ash bucket 8, the sidewall of described ash bucket comprises that at least one vertically leads grey portion 81 and grey portion 82 is led at least one inclination.The face through the center of ash inlet 2 and ash output hole 3 is generally chosen in the cross section of ash bucket, so just the easy ash bucket difference that is isosceles trapezoid with common cross section.Thereby at least one wall of ash bucket 8 is vertical formation vertically leads grey portion 81, the formation that other wall is inclination tilts to lead grey portion 82, when black dirt falls, over against the black dirt of vertically leading grey portion 81, can fall faster ash output hole discharges, and the inclination of other black dirt process leads grey portion 82 and tilts, slower through out-of-date black dirt speed, thus make black dirt discharging by ash output hole successively, avoided so all black dirts to pour into together the situation of ash output hole, the unfavorable situation of having avoided ash output hole to stop up.
As the first embodiment of ash bucket 8, as shown in Figure 3, the sidewall of ash bucket 8 is arc surfaced.The sidewall of now vertically leading grey portion 81 places is also vertical, vertically lead grey portion 81 and inclination and lead between grey portion 82 by arc transition, black dirt is just not easy to remain in ash bucket like this, and the resistance that black dirt runs into when deashing is also less, efficiency is higher, but its processing more complicated.
As the second embodiment of the present invention, as shown in Figure 3, described ash bucket 8 is comprised of a plurality of plane sidewalls.Vertically lead grey portion 81 and inclination are now led grey portion 82 and are formed by smooth plate, that is to say that whole ash bucket 8 is to be formed by smooth plate direct splicing, such tooling cost is just lower, but owing to can forming dead angle between smooth plate, easily cause black dirt to assemble therein, affect deashing.Now can carry out rounding processing to dead angle, avoid black dirt accumulation.
As the compromise mode of two kinds of embodiments of ash bucket, can partial sidewall adopt circular arc, partial sidewall adopts smooth plate, can obtain like this effect of compromise, can determine according to actual needs.
For the ease of the Oscillation Amplitude of adjustable elastic erecting by overhang 7, as shown in Figure 2, described resilient hanger device 7 comprises elastic hook 71 and flexible chain 72, and one end of described flexible chain 72 is connected on described hanging platform 3, and the other end is connected on CAP NUTS 21; Described elastic hook 71 one end are hung on flexible chain 72, and the other end is hung on flexible chain 72 or CAP NUTS 21.The general steel chain that adopts of flexible chain 72, in the process hanging, between two hanging points of elastic hook 71, reserved flexible chain 72 length are the length that elastic hook 71 can extend, also be peak swing, therefore, the length of the reserved flexible chain 72 of control can be controlled the amplitude of whole resilient hanger device 7.General spring and two hooks of adopting of elastic hook 71 are made.In actual deashing process, just can be according to elastic hook 71 degree of agings or actual needs adjusting amplitude, thus the needs that vibrate while better meeting deashing are avoided the excessive damage filter bag 2 of amplitude, and also avoiding that amplitude is too small cannot deashing.
Because 2 of filter bags are as flexibility, therefore easily flat after the air-flow that is subject to recoiling, in order to prevent inner side overlay film collision friction, as shown in Figure 1, the present invention also comprises shrinking-proof ring, and described shrinking-proof ring is arranged on described filter bag 2.Shrinking-proof ring adopts rigid material (being generally stainless steel) to make, and coated making in the outside of filter bag 2 arranges along the even interval of length of filter bag 2, allows every section of generation of filter bag evenly to internal strain and change filter bag drawing force longitudinally into.
Concrete, as shown in Figure 1, the present invention also comprises bulk cement storage tank 13, described bulk cement storage tank 13 is connected with the outlet of described ash bucket 8, is provided with star-shaped dust-discharging valve and flat closed type Special cut-off valve in the outlet of described ash bucket 8.Bulk cement storage tank 13 can be collected the dust vibrating under trembling, to do next step processing.Star-shaped dust-discharging valve can unload ash for controlling, and flat closed type Special cut-off valve can be closed storehouse pump 13 passages, prevents from from storehouse pump 13, spilling when raw gas filters.
Concrete, as shown in Figure 1, the present invention also comprises storehouse pump and ash releasing tube 14, and described ash releasing tube 14 is connected with described storehouse pump, outside described ash releasing tube 14 is communicated to through described storehouse pump 13, described ash releasing tube 14 is positioned at and on the one end outside described bulk cement storage tank 13, is provided with storehouse pump discharge trip valve.Utilize storehouse pump 13 can extract the black dirt of collecting in the pump of storehouse out, then utilize ash releasing tube 14 that black dirt is discharged to rear further processing.
Claims (9)
1. blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator, comprise container (1), be arranged on the filtering unit in container (1), the bottom of described container (1) is ash bucket (8), described filtering unit comprises mounting structure and is arranged on the filter bag (2) on described mounting structure, described filtering unit is divided into the purified gas space (11) on top and the raw gas space (9) of bottom by described container (1), on described container (1), be provided with raw gas import (5) and purified gas outlet (6), described raw gas import (5) is communicated with described raw gas space (9), described purified gas outlet (6) is communicated with described purified gas space (11), it is characterized in that: described mounting structure comprises hanging platform (3) and card (4) is installed, the opening of described filter bag (2) is sealedly connected on to be installed card (4) above and is connected with described raw gas space (9), described hanging platform (3) is arranged in purified gas space (11), on described hanging platform (3), be provided with resilient hanger device (7), the CAP NUTS (21) of described filter bag (2) is hung on described resilient hanger device (7), described resilient hanger device (7) comprises elastic hook (71) and flexible chain (72), described elastic hook (71) one end is hung on flexible chain (72), the other end is hung on CAP NUTS (21), it is upper that one end of described flexible chain (72) is connected to described hanging platform (3), and the other end is connected to one end of elastic hook (71) hanging bag cap (21).
2. blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator as claimed in claim 1, is characterized in that: also comprise purified gas back blow port (12), described purified gas back blow port (12) is connected with described purified gas space (11).
3. blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator as claimed in claim 2, it is characterized in that: also comprise clean coal tracheae (10), described clean coal tracheae (10) enters container (1) from ash bucket (8), through described installation card (4), be connected with described purified gas space (11), described purified gas outlet (6) is all arranged on described purified gas back blow port (12) outer end that described clean coal tracheae (10) is positioned at container (1).
4. blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator as claimed in claim 1, it is characterized in that: described filter bag (2) is by woven fiberglass layer and eptfe layer is compound forms, described woven fiberglass layer is outer, and described eptfe layer is internal layer.
5. blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator as claimed in claim 1, it is characterized in that: the rectangular trapezoidal shape in cross section of described ash bucket (8), the sidewall of described ash bucket comprises that at least one vertically leads grey portion (81) and grey portion (82) is led at least one inclination.
6. blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator as claimed in claim 5, is characterized in that: described ash bucket (8) consists of arc surfaced, sidewall plane or its combination.
7. blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator as claimed in claim 1, is characterized in that: also comprise shrinking-proof ring, described shrinking-proof ring is arranged on described filter bag (2).
8. the blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator as described in claim as arbitrary in claim 1 to 7, it is characterized in that: also comprise bulk cement storage tank (13), described bulk cement storage tank (13) is connected with the outlet of described ash bucket (8), is provided with star-shaped dust-discharging valve and flat closed type Special cut-off valve in the outlet of described ash bucket (8).
9. blast furnace gas gas phase pulsating back-blowing wind inward flow filtration-type pocket type fly-ash separator as claimed in claim 8, it is characterized in that: also comprise storehouse pump and ash releasing tube (14), described ash releasing tube (14) is connected with described storehouse pump, described storehouse pump is arranged in bulk cement storage tank (13), outside described ash releasing tube (14) is communicated to through described bulk cement storage tank (13), described ash releasing tube (14) is positioned on the outer one end of described bulk cement storage tank (13) and is provided with storehouse pump discharge trip valve.
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| CN201210193976.6A CN102732658B (en) | 2012-06-13 | 2012-06-13 | Blast furnace gas gas-phase fluctuation reverse blow inner-filtering bag filter |
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| CN201210193976.6A CN102732658B (en) | 2012-06-13 | 2012-06-13 | Blast furnace gas gas-phase fluctuation reverse blow inner-filtering bag filter |
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| CN103215400B (en) * | 2013-04-19 | 2014-12-10 | 成都瑞柯林工程技术有限公司 | Flue gas dust removal equipment with temperature fluctuation and flue gas dust removal system |
| CN104740944B (en) * | 2015-04-02 | 2017-04-12 | 成都瑞柯林工程技术有限公司 | Filtering device used for gas-solid separation |
| CN108246015A (en) * | 2018-03-10 | 2018-07-06 | 日照兴业汽车配件有限公司 | Dust pelletizing system |
| CN112850168B (en) * | 2021-03-15 | 2023-10-24 | 成都瑞柯林工程技术有限公司 | Pneumatic conveying method for particulate matters |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201441864U (en) * | 2009-03-28 | 2010-04-28 | 段金挺 | Back-blowing bag-type dust remover with divided chambers |
| CN202730155U (en) * | 2012-06-13 | 2013-02-13 | 成都瑞柯林工程技术有限公司 | Gas phase pulse reverse blow-type internal filter-type bag type dust collector for blast-furnace gas |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201441864U (en) * | 2009-03-28 | 2010-04-28 | 段金挺 | Back-blowing bag-type dust remover with divided chambers |
| CN202730155U (en) * | 2012-06-13 | 2013-02-13 | 成都瑞柯林工程技术有限公司 | Gas phase pulse reverse blow-type internal filter-type bag type dust collector for blast-furnace gas |
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