CN202751898U - Filter bag gas-solid separator - Google Patents
Filter bag gas-solid separator Download PDFInfo
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- CN202751898U CN202751898U CN 201220304469 CN201220304469U CN202751898U CN 202751898 U CN202751898 U CN 202751898U CN 201220304469 CN201220304469 CN 201220304469 CN 201220304469 U CN201220304469 U CN 201220304469U CN 202751898 U CN202751898 U CN 202751898U
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- filter bag
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- solid separator
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Abstract
The utility model belongs to the technical field of gas-solid separation and relates to a gas-solid separator, in particular to a filter bag gas-solid separator which finishes self-cleaning by means of alternation working and then finishes gas and materials or dust separation. The filter bag gas-solid separator comprises a gas inlet and a filter device. The filter device comprises filter bags and an ash discharge mechanism, and the ash discharge mechanism is arranged at the bottom end of the filter bags. The filter bag gas-solid separator further comprises a gas inlet header pipe. The gas inlet is arranged on the gas inlet header pipe. Fans and the filter bags are respectively arranged on the gas inlet header pipe and located on two sides of the gas inlet in sequence. The fan and the filter bag on each side are connected through a gas inlet branch. The fans of the filter bag gas-solid separator are alternately utilized, so that the filter bags on two sides of the gas inlet alternately work, utilization rate of the filter bag gas-solid separator can be improved, and energy consumption is reduced.
Description
Technical field
The utility model relates to a kind of gas-solid separator, specifically a kind ofly finishes self-cleaning by alternation, thereby finishes the filter bag gas-solid separator of gas and material or dust separation, belongs to the gas solid separation technical field.
Background technology
Gas solid separation is technology commonly used in the industrial production, and after much all needing to utilize gas that material is carried out the strength conveying under the industrial environments, being delivered to the predetermined area, recycling gas solid separation technology with feed separation out.The principle of deduster also is gas solid separation, the dust that needs are removed is separated from gas, thereby realized gas cleaning.
Take deduster as example, bag dust collector commonly used since volume is little, easy for installation, filter area is large etc. characteristics in industrial production, be widely used at present.During use, after dusty gas enters dust collector ash hopper, because air-flow the section suddenly enlarging, the thick grit of a part of particle settles down under gravity and inertia force effect in the air-flow, after fine size, the grit that density is little enter the filter chamber, by comprehensive effects such as Blang's diffusion and sievings, make dust deposit at filter material surface, by the filtration of filtrate, so that gas is cleaned, purified gas is discharged through the blast pipe of outer case of dust remover after being discharged by filter bag again.Along with the continuous use of deduster, the dust that is deposited on filter material surface can get more and more, and the bulk deposition of dust can stop up filtrate, so that the running resistance of deduster improves, increased energy consumption, and dust removing effects reduces greatly also; Therefore, must in time carry out deashing to deduster processes.
At present, the deashing processing method that bag dust collector is commonly used comprises mechanical oscillation dedusting, high pressure blowback dedusting and air pulse dedusting.In the prior art, Chinese patent literature CN201030268Y discloses a kind of unit bag filter of mechanical oscillation dedusting, formed by casing, motor, blower fan, discharge pipe, linkage, filter bag, card etc., it waves ash removal equipment for flapping is to drive rotating shaft by shaking motor by belt, rotating shaft is provided with eccentric shaft, and eccentric shaft connects connecting crank by shield bearing, and crank is connected with rocking bar by split pin, rocking bar is connected with axis of rocking, and axis of rocking connects the linkage that hangs with filter bag.This deduster is by the mechanical oscillation filter bag of certain frequency, remove the dust on the filter bag, but because the ectonexine of filter bag all is provided with wire netting, filtrate is arranged between the above-mentioned wire netting, so mechanical oscillation are easy to damage the wire netting of filter bag ectonexine, reduced the service life of filter bag.
Chinese patent literature CN102078730A discloses a kind of gas tank back-blowing sack cleaner of high pressure blowback dedusting, it is by upper box, lower box, intake stack, exhaust duct, ash storehouse and back blowing machine consist of, upper box top connects exhaust duct, the back blowing machine that is positioned at the upper box upper surface links to each other with the inside of upper box by the blowback pipeline, this back blowing machine installation one can be regulated the electronic adjustable valve of its air-out bore, the bottom of lower box is provided with the air inlet that links to each other with intake stack, one horizontal orifice plate is installed between upper box and the lower box, the dust-removal cloth-bag that evenly is arranged in the lower box is installed on the orifice plate, and the lower box bottom connects grey storehouse.This deduster makes the inner air-flow that forms rapidly of lower box by the wind speed that strengthens back blowing machine, and air-flow has formed the back-blowing of expanding rapidly outside to inside from dust-removal cloth-bag, thereby the dust that will stick to the dust-removal cloth-bag surface is removed.But this purge mode not only can increase the electric energy loss of cleaner, and the wind speed increasing also can cause filter bag to swing, easily make the wearing and tearing of sack place, reduce life of bag filter, also easily cause a bag interior dust secondary fly-up, increased the weight of the work load of deduster.
Chinese patent literature CN101890266A discloses a kind of high-pressure pulse deashing deduster, it utilizes high-voltage pulse to carry out dedusting, the housing of this deduster is provided with the pulse jet device that is connected on the high-pressure air source, the pulse jet device is provided with some pulse valves, pulse valve connection corresponding to the deashing gas circuit, pulse valve be connected on the control circuit and each pulse valve can be respectively under the pulse signal control of control circuit control one deashing gas circuit and high-pressure air source together with or end.In this technology, in order to realize the deashing to deduster, so independently deashing gas circuit need to be set, can realize the off-line ash-clearing operation like this, improve ash-removal effect.Will certainly cause like this structure of deduster more complicated, and utilize air pulse to carry out deashing, independently pulse gas generator must be set, improve the deashing cost of deduster.And the active force that the moment of high-voltage pulse sprays also is easy to destroy filter bag, reduces the service life of filter bag.
Chinese patent literature CN201470250U discloses a kind of Novel efficient diffuse dust catcher of axial flow fan, comprises a sack cleaner, and at least one Bidirectional axial flow fan installed at place, sack cleaner gas outlet.This deduster is under the effect of Bidirectional axial flow fan, and flue gas is got rid of through filtering by the gas outlet, and when the needs deashing, Bidirectional axial flow fan changes the back-blowing state under automatically controlled control, and filter bag is moved in wind, makes the ash of filter bag inner surface fall into the ash bucket end opening.This deduster is realized the conversion of dedusting state and deashing state by Bidirectional axial flow fan.But this deduster must stop dedusting work when deashing, so that deduster can not work long hours continuously, affects the service efficiency of deduster, and simultaneously, Bidirectional axial flow fan is had relatively high expectations to electric-control system, and long-term the use also continuously easily damaged.
Summary of the invention
Technical problem to be solved in the utility model is that the deashing device energy consumption of the filter bag gas-solid separating device take deduster as representative in the prior art is large, filter bag is easily impaired, affect the service efficiency of device, can't finish the recovery of material or dust or deashing when especially the filter bag gas-solid separating device is in running order processes, cause device not work long hours continuously, thereby a kind of filter bag gas-solid separator of finishing self-cleaning by the filter bag alternation is provided.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of filter bag gas-solid separator comprises air inlet, at least two filters, and described filter comprises filter bag and ash discharge mechanism, and described ash discharge mechanism is arranged on the bottom of described filter bag;
Also comprise the inlet manifold, described air inlet is arranged on the described inlet manifold;
On described inlet manifold and the both sides that are positioned at described air inlet be sequentially set with respectively blower fan and filter bag, connected by the air inlet branch road between the described blower fan of every side and the filter bag.
Be connected with induced duct with described air inlet.
Each filter links to each other with described blower fan through an air inlet branch road respectively.
A plurality of filters link to each other with described blower fan through an air inlet branch road.
Described ash discharge mechanism is rotary ash discharge mechanism or Weight type ash discharge mechanism.
Described filter bag inside is provided with support.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) filter bag gas-solid separator described in the utility model, the inlet manifold air inlet is set, on described inlet manifold and in the both sides of described air inlet, be sequentially set with respectively blower fan and filter bag, connected by the air inlet branch road between the described blower fan of every side and the filter bag.Being used alternatingly of the blower fan of above-mentioned filter bag gas-solid separator by being connected in described inlet manifold both sides; so that the filter bag of air inlet both sides can alternation; when filter bag work a period of time of air inlet one side when filter bag inwall deposition much needs the materials of cleaning or dust; utilization is positioned at the blower fan of described air inlet opposite side and thereby the work drive of filter bag needs the blower fan of filter bag one side of cleaning to reverse; with air inlet branch road that this blower fan is connected in form negative pressure; realized the reverse blowing to the filter bag of needs cleaning; and then outside air sucked in the filter bag for clearance; and when air enters filter bag, peel off being deposited on material on the filter bag or dust and filter bag inwall, realized at the gas-solid separating device self-cleaning under the stopped status not.Above-mentioned filter bag gas-solid separator has effectively avoided in the prior art use to gas-solid separator at a lot of materials of filter bag inside deposition or dust; affected the operating efficiency of filter bag; if continuation moves then can expend a lot of abilities; if it is cleared up; then need to shut down; so that the problem that operating efficiency reduces greatly; the utility model carries out when utilizing equipment simple in structure to realize dedusting and deashing; having realized carrying out when carrying out gas solid separation the recovery of material or dust or deashing processes; effectively saved the working time; improve operating efficiency, reduced energy consumption.Because the setting of a plurality of air inlet branch roads, a plurality of filter bags can be finished the work simultaneously and can be finished self-cleaning.
(2) filter bag gas-solid separator described in the utility model further arranges induced duct and is connected with air inlet, thereby so that the pressure reduction that filter bag bears is less, stability is better, is not easy breakage, has prolonged its service life.
(3) filter bag gas-solid separator described in the utility model adopts Open architecture, the situation that can directly observe filter bag, and convenient situation of observing filter bag when breakage appears in filter bag, can in time be changed.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, and wherein, Fig. 1 is filter bag gas-solid separator structural representation described in the utility model;
Fig. 2 is the structural representation that each filter described in the utility model links to each other with blower fan through an air inlet branch road respectively;
Fig. 3 is that a plurality of filter described in the utility model shows through the structure that an air inlet branch road links to each other with blower fan
Intention;
Fig. 4 is that filter bag is heaved view described in the filter bag gas-solid separator described in the utility model;
Fig. 5 is filter bag contraction state schematic diagram described in the filter bag gas-solid separator described in the utility model.
Reference numeral is expressed as among the figure: 1-air inlet, 2-filter bag, 3-ash discharge mechanism, 4-inlet manifold, 6-air inlet branch road, 7-induced duct, 8-support, 9-the first blower fan, 10-the second blower fan.
The specific embodiment
The structure of filter bag gas-solid separator described in the utility model comprises air inlet 1, filter as shown in Figure 1, and described filter comprises filter bag 2 and ash discharge mechanism 3, and described ash discharge mechanism 3 is arranged on the bottom of described filter bag 2; Also comprise inlet manifold 4, described air inlet 1 is arranged on the described inlet manifold 4; On described inlet manifold 4 and the both sides that are positioned at described air inlet 1 be sequentially set with respectively blower fan and filter bag 2, connected by air inlet branch road 6 between the described blower fan of every side and the filter bag 2.On described inlet manifold 4 and the both sides that are positioned at described air inlet 1 be respectively arranged with the first blower fan 9 and the second blower fan 10, in the present embodiment, an air inlet branch road 6 only is set, being tightly connected away from an end of described the first blower fan 9 with this air inlet branch road 6 is provided with filter bag 2, and the other end of described filter bag 2 is that its bottom and described ash discharge mechanism 3 are tightly connected.Similarly, be connected with described the second blower fan 10 and also be provided with at least one air inlet branch road 6, in the present embodiment, an air inlet branch road 6 also only is set, being tightly connected away from an end of described the second blower fan 10 with this air inlet branch road 6 is provided with filter bag 2, and the other end of described filter bag 2 is that its bottom and described ash discharge mechanism 3 are tightly connected.In the present embodiment, rotary ash discharge mechanism is selected to be set to by described ash discharge mechanism 3, and such as auger etc., as embodiment that can conversion, Weight type ash discharge mechanism also can be selected to be set to by described ash discharge mechanism 3, such as unloading valve etc.; As embodiment that can conversion, can select any ash removing mechanism that material or dust are collected and discharged can realized in the prior art.
As embodiment that can conversion, filter bag gas-solid separator described in the utility model, each filter link to each other with described blower fan through an air inlet branch road 6 respectively.Can be according to the power of the blower fan that arranges, be connected with blower fan a plurality of air inlet branch roads 6 are set, in the present embodiment namely, be connected with two or more air inlet branch roads 6 with described the first blower fan 9, similarly, being connected with described the second blower fan 10 also arranges two or more air inlet branch roads 6, accordingly, being tightly connected away from an end of described blower fan with each air inlet branch road 6 is provided with filter bag 2, and the other end of described filter bag 2 is that its bottom and described ash discharge mechanism 3 are tightly connected.In the present embodiment, a plurality of air inlet branch roads 6 are air inlet branch road 6 independently separately, and namely a plurality of air inlet branch roads 6 all directly connect with blower fan respectively, and each air inlet branch road 6 and other air inlet branch roads 6 are not communicated with each other, as shown in Figure 2.
For above-mentioned air inlet branch road 6 be connected the connection of blower fan, also can be set to a plurality of filters and link to each other with described blower fan through an air inlet branch road 6.Namely be connected with described the first blower fan 9 an air inlet branch road 6 is set, similarly, being connected with described the second blower fan 10 arranges an air inlet branch road 6, connects on each air inlet branch road 6 a plurality of described filter bags 2 are set, and the other end of a plurality of described filter bags 2 is that its bottom and described ash discharge mechanism 3 are tightly connected.As shown in Figure 3.
On the basis of above-described embodiment, filter bag gas-solid separator described in the utility model can also further arrange induced duct 7, and described induced duct 7 is connected setting with described air inlet 1; By described induced duct 7 gas is introduced in the filter bag gas-solid separator through air inlet 1.
Take the filter bag gas-solid separator as example, gas-solid separator described in the utility model is when work, at first, the first blower fan 9 in the separator of startup air inlet 1 one sides, air-flow carries material or dust enters air inlet 1, then by induced duct 7, the inlet manifold 4, the first blower fan 9, air inlet branch road 6, enter in the filter bag 2 that is connected with described the first blower fan 9, utilize 2 pairs of air-flows of filter bag to carry out filtration, purification, as shown in Figure 4, this moment, the pressure of filter bag 2 inside was higher than outside atmospheric pressure, filter bag 2 is fully heaved under the effect of pressure reduction, expands outwardly, and a part of material or dust freely fall in the ash discharge mechanism 3 that is connected with filter bag 2 bottoms, another part material or dust then adsorb the inner surface that is deposited on filter bag 2, pass filter bag 2 discharging atmosphere through the clean air after filtering.After work a period of time, be deposited on the material of filter bag 2 inner surfaces or dust more and more, it is increasing that clean air passes the resistance of filter bag 2, causes the pressure of filter bag 2 inside more and more higher, so that the energy consumption of the first blower fan 9 is increasing.At this moment, need to clear up the filter bag 2 that links to each other with described the first blower fan 9, then close the first blower fan 9, start the second blower fan 10 of air inlet 1 opposite side, air-flow continues to carry material or dust enters air inlet 1, then by induced duct 7, inlet manifold 4, the second blower fan 10, air inlet branch road 6, enter the filter bag 2 with described the second blower fan 10 the same sides, 2 pairs of air-flows of filter bag carry out filtration, purification.Meanwhile, because described the first blower fan 9 and described the second blower fan 10 interpenetrate by described inlet manifold 4, so under the effect of the second blower fan 10, drive 9 counter-rotatings of the first blower fan, the internal pressure of the filter bag 2 that be connected with described the first blower fan 9 this moment is lower than atmospheric pressure, be in negative pressure state, as shown in Figure 5, inwardly shrink with the filter bag 2 of described the first blower fan 9 the same sides, supports 8 in the described filter bag 2 support described filter bag, and outside gas oppositely enters the inside with the filter bag 2 of described the first blower fan 9 the same sides, because the inside contraction of filter bag 2, and oppositely the entering of outside air, fully cleared up with the filter bag 2 of described the first blower fan 9 the same sides.After the filter bag 2 that is connected with described the second blower fan 10 is worked a period of times, finish with filter bag 2 cleanings of described the first blower fan 9 the same sides, then can again resume work.
[0025] in the above-described embodiments, filter bag gas-solid separator described in the utility model is when work, and the pressure of described filter bag 2 inside is preferably got 300-800Pa, generally is no more than 1000Pa.The wind speed of blower fan can be selected to arrange according to the air quantity of the gas that carries material or dust, generally can be set to the arbitrary value between the 0.5-2 meter per second.
Obviously, above-described embodiment only is for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (6)
1. a filter bag gas-solid separator comprises air inlet (1), at least two filters, and described filter comprises filter bag (2) and ash discharge mechanism (3), and described ash discharge mechanism (3) is arranged on the bottom of described filter bag (2);
It is characterized in that, also comprise
Inlet manifold (4), described air inlet (1) is arranged on the described inlet manifold (4);
Both sides upper described inlet manifold (4) and that be positioned at described air inlet (1) are sequentially set with respectively blower fan and filter bag (2), are connected by air inlet branch road (6) between the described blower fan of every side and the filter bag (2).
2. filter bag gas-solid separator according to claim 1 is characterized in that, is connected with induced duct (7) with described air inlet (1).
3. filter bag gas-solid separator according to claim 1 and 2 is characterized in that, each filter links to each other with described blower fan through an air inlet branch road (6) respectively.
4. filter bag gas-solid separator according to claim 1 and 2 is characterized in that, a plurality of filters link to each other with described blower fan through an air inlet branch road (6).
5. filter bag gas-solid separator according to claim 1 and 2 is characterized in that, described ash discharge mechanism (3) is rotary ash discharge mechanism or Weight type ash discharge mechanism.
6. filter bag gas-solid separator according to claim 1 and 2 is characterized in that, described filter bag (2) inside is provided with support (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304469 CN202751898U (en) | 2012-06-27 | 2012-06-27 | Filter bag gas-solid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304469 CN202751898U (en) | 2012-06-27 | 2012-06-27 | Filter bag gas-solid separator |
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| Publication Number | Publication Date |
|---|---|
| CN202751898U true CN202751898U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220304469 Expired - Lifetime CN202751898U (en) | 2012-06-27 | 2012-06-27 | Filter bag gas-solid separator |
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| CN (1) | CN202751898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698532A (en) * | 2012-06-27 | 2012-10-03 | 卓卫民 | Filter bag gas-solid separator and gas-solid separation method thereof |
-
2012
- 2012-06-27 CN CN 201220304469 patent/CN202751898U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698532A (en) * | 2012-06-27 | 2012-10-03 | 卓卫民 | Filter bag gas-solid separator and gas-solid separation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |