CN206837849U - A kind of spiral tool sieve plate drop filter tower and exhaust treatment system - Google Patents

Abstract

It the utility model is related to machinery equipment field, provide a kind of spiral tool sieve plate drop filter tower, including tower body, multiple spiral chambers are provided with tower body, nutrient solution spiral spray pipe is provided with each helical cavity room, the tube wall of nutrient solution spiral spray pipe is provided with multiple spray holes, the bottom of tower body is provided with air inlet and discharging opening, gas outlet and inlet are provided with the top of tower body, the top of each spiral chamber connects with gas outlet, and is connected with inlet；The bottom of each spiral chamber connects with air inlet, and is connected with discharging opening, in tower body, is provided with sieve plate under multiple spiral chambers and on air inlet, sieve plate is provided with multiple air dispelling holes.The spiral tool sieve plate drop filter tower has preferable treatment effect to waste gas.The utility model additionally provides a kind of exhaust treatment system, including the above-mentioned spiral tool sieve plate drop filter tower being serially connected, the exhaust treatment system are preferable to the regulation effect of waste gas.

Description

A kind of spiral tool sieve plate drop filter tower and exhaust treatment system

Technical field

Machinery equipment field is the utility model is related to, in particular to a kind of spiral tool sieve plate drop filter tower and waste gas Processing system.

Background technology

The organic matter of the variety classes various concentrations often contained in industrial waste gas, it is the predecessor of haze and ozone, directly It is quite serious to discharge other side's environmental hazard.Biological method purification organic matter has unique advantage, is currently used organic exhaust gas The method of processing, bio-trickling filter are the common equipments for biological cleaning organic exhaust gas.But there is battalion in existing bio-trickling filter The problem of nutrient solution spray is uneven, and biologic packing material utilization rate is low, at the same it is insufficient with biofilm contact there is also organic exhaust gas, effectively The problem of microbial biomass utilization rate is low.

Utility model content

The utility model provides a kind of spiral tool sieve plate drop filter tower, it is intended to improves existing most few drops of filter towers nutrient solution Spray is uneven, filler utilization rate is low, while it can strengthen waste gas and biofilm contact, it is possible to increase treatment effeciency.

The utility model additionally provides a kind of exhaust treatment system, and its effect to exhaust-gas treatment is preferable.

What the utility model was realized in：

A kind of spiral tool sieve plate drips filter tower, including tower body, and multiple spiral chambers, each spiral chamber are provided with tower body Nutrient solution spiral spray pipe is inside provided with, the tube wall of nutrient solution spiral spray pipe is provided with multiple spray holes, the bottom of tower body Air inlet and discharging opening are provided with, gas outlet and inlet are provided with the top of tower body, the top of each spiral chamber is with going out Gas port connects, and is connected with inlet；The bottom of each spiral chamber connects with air inlet, and is connected with discharging opening, In tower body, sieve plate is provided with multiple spiral chambers and on air inlet, sieve plate is provided with multiple air dispelling holes.

Further, in the utility model preferred embodiment, the nutrient solution spiral spray pipe in each helical cavity room Quantity be at least 2, at least two nutrient solution spiral spray pipe is uniformly arranged on the inwall that tower body corresponds to spiral chamber.

Further, in the utility model preferred embodiment, the bearing of trend of air dispelling hole relative to sieve plate plate face Tilt.

Further, high-pressure spraying device, high pressure spray are provided with the utility model preferred embodiment, at the top of tower body Leaching device connects with inlet, and high-pressure spraying device includes multiple connecting tubes, and each connecting tube is connected with an annular separating tube, multiple Annular separating tube and multiple spiral chambers correspond, and each annular separating tube is and the helical cavity corresponding with annular separating tube Indoor nutrient solution spiral spray pipe connection.

Further, in the utility model preferred embodiment, the bottom of tower body is provided with for closing discharging opening Discharge lid, and air inlet is arranged at discharging lid.

Further, in the utility model preferred embodiment, the edge for the lid that discharges sets seal washer.

Further, in the utility model preferred embodiment, discharging opening cover outer wall is set close to discharging lid edge Be equipped with multiple fasteners, the outer wall that discharging opening corresponds to tower body is provided with multiple fasteners, multiple fasteners corresponded with multiple fasteners and Cooperate.

Further, in the utility model preferred embodiment, the top of tower body is also detachably provided with top cover, top cover On multiple spiral chambers, gas outlet, inlet may be contained within top cover, and top cover is additionally provided with multiple charging apertures, Duo Gejin Material mouth and the top of multiple spiral chambers are corresponded, and side of the top cover away from spiral chamber is provided with for closing charging aperture Feed lid.

Further, in the utility model preferred embodiment, in addition to air blower, the bottom of tower body be additionally provided with The air intlet that multiple spiral chambers connect, air blower connect with air intlet.

A kind of exhaust treatment system, including above-mentioned multiple spiral tool sieve plate drop filter towers, multiple spiral tool sieve plate drops Filter tower is sequentially connected in series.

The beneficial effects of the utility model are：The spiral tool sieve plate that the utility model is obtained by above-mentioned design drips filter Tower, multiple spiral chamber helical spiral designs, nutrient solution spiral spray pipe are uniformly arranged on the inwall that tower body corresponds to spiral chamber, changed It has been apt to the problem of existing most few drops of filter towers nutrient solution spray is uneven, filler utilization rate is low, waste gas can be extended by microorganism The time of processing, while strengthen waste gas and biofilm contact so that the composition that the needs in waste are removed can be processed It is more complete, and the waste gas that the sieve plate set enables to enter in tower body is more evenly dispersed into each spiral cavity It is interior so that microorganism is of a relatively high to the treatment effeciency of waste gas.The exhaust-gas treatment system that the utility model is obtained by above-mentioned design System, because including multiple above-mentioned spiral tool sieve plate drop filter towers being serially connected, it has preferable treatment effect to waste gas.

Brief description of the drawings

, below will be to required in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment The accompanying drawing used is briefly described, it will be appreciated that and the following drawings illustrate only some embodiments of the present utility model, therefore not The restriction to scope is should be considered as, for those of ordinary skill in the art, on the premise of not paying creative work, Other related accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation for the spiral tool sieve plate drop filter tower that the utility model embodiment provides；

Fig. 2 is Fig. 1 perspective view；

Fig. 3 is the sectional view of tower body in Fig. 1；

Fig. 4 is the fragmentary, perspective view of tower body in Fig. 1；

Fig. 5 is the part-structure schematic diagram of nutrient solution spiral spray pipe in Fig. 3；

Fig. 6 is that the partial structurtes that annular separating tube cooperates with nutrient solution spiral spray pipe and high-pressure spraying device three are shown It is intended to；

Fig. 7 is the structural representation that tower body bottom sets the anti-place that slips through the net；

Fig. 8 is the enlarged drawing in the regions of Fig. 3 VIII；

Fig. 9 is the enlarged drawing in the regions of Fig. 2 Ⅸ.

Icon：100- spirally has sieve plate drop filter tower；110- tower bodies；111- spiral chambers；112- nutrient solution spiral sprays Pipe；113- spray holes；114- air inlets；115- discharging openings；116- gas outlets；117- sieve plates；118- air dispelling holes；119- feed liquors Mouthful；120- high-pressure spraying devices；121- connecting tubes；122- annular separating tubes；130- discharging lids；131- seal washers；132- cards Part；133- fasteners；134- air intlets；135- is anti-to slip through the net；140- air blowers；150- top covers；151- charging apertures；152- charging apertures Lid.

Embodiment

To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality Accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shown So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality Embodiment in new, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of the utility model protection.Therefore, the implementation of the present utility model to providing in the accompanying drawings below The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of of the present utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor The every other embodiment obtained under the premise of dynamic, belong to the scope of the utility model protection.

In description of the present utility model, it is to be understood that term " length ", " on ", " under ", " level ", " top ", The orientation or position relationship of the instruction such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just In description the utility model and simplified description, rather than indicate or imply that signified equipment or element must be with specifically square Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be Mechanically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two element internals connection or The interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned Concrete meaning of the term in the utility model.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only Represent that fisrt feature level height is less than second feature.

It refer to shown in Fig. 1 and Fig. 2, the utility model provides a kind of spiral tool sieve plate drop filter tower 100, and it includes tower Body 110, be provided with multiple spiral chambers 111 in the tower body 110, with continued reference to shown in Fig. 3, the bottom of tower body 110 be provided with into Gas port 114 and discharging opening 115, the top of tower body 110 are provided with gas outlet 116, inlet 119 and top cover 150, gas outlet 116 It is may be contained within inlet 119 on top cover 150.Further, multiple spiral chambers 111 are arranged side by side and are uniformly arranged on tower body 110 It is interior.

Preferably, it is shown in Figure 4, multiple charging apertures 151, multiple charging apertures more than more than 151 are additionally provided with top cover 150 The top of individual spiral chamber 111 is corresponded, and side of the top cover 150 away from spiral chamber 111 is provided with for closing charging aperture 151 charging lid 152.It is when the filler into spiral chamber 111 to set multiple charging apertures 151 and the purpose for feeding lid 152 When avoid raising top cover 150, and can directly raise charging lid 152 and directly carry out filler, the design makes filler more convenient. In the present embodiment, one in multiple charging apertures 151 shares an opening with gas outlet 116, certainly, of the present utility model The charging aperture 151 of in other embodiment or gas outlet more than 116 is independently provided separately.

When spirally tool sieve plate drop filter tower 100 works, charging lid 152 is opened, being filled into spiral chamber 111 to supply The filler that microorganism adheres to and grown, the nutrient solution that nutriment is provided for microorganism enter in tower body 110 from inlet 119 Portion, waste gas are entered by air inlet 114 from the bottom of spiral chamber 111, during by spiral chamber 111, the filled middle attachment of waste gas Microbiological treatment, then discharge tower body 110 from the top of spiral chamber 111 by gas outlet 116.Due to spiral chamber 111 For spiral shape, the discharge to gas has certain inhibition, extends waste gas by the time of microbiological treatment so that waste In the composition that is removed of needs can be processed more complete.

In addition, spirally tool sieve plate drop the long-term work of filter tower 100 after inner stuffing be contaminated, cause treatment effect decline or Disappear, it is therefore desirable to change filler, now discharge filler by discharging opening 115.

Shown in Figure 3, Fig. 3 is a sectional view of tower body 110 in Fig. 2, is respectively provided with each spiral chamber 111 Nutritious liquid spiral spray pipe 112, refers to Fig. 4, and multiple spray holes 113 are provided with the nutrient solution spiral spray pipe 112. The effect that nutrient solution spiral spray pipe 112 is set in spiral chamber 111 is that the microorganism into spiral chamber 111 provides growth institute The nutriment needed, activity and growth can be kept with the microorganism ensured in filler, so as to continue efficiently to waste gas Handled；And nutrient solution spiral spray pipe 112 is to be able to for spiral shape and the shape of nutrient solution spiral chamber 111 matches The nutrient solution that closing enables to spray uniformly supplies.

Further, referring again to Fig. 2, in the utility model, the nutrient solution spiral spray pipe in spiral chamber 111 112 quantity is at least 2, and at least two nutrient solution spiral spray pipe 112 is uniformly arranged on the corresponding spiral chamber 111 of tower body 110 Inwall.In the present embodiment, the quantity of nutrient solution spiral spray pipe 112 is that 5,5 nutrient solution spiral spray pipes 112 are uniformly arranged In on the inwall of the corresponding spiral chamber 111 of tower body 110, it is enable to while nutrient solution is comprehensively sprayed onto the every of filler At one so that the microorganism in filler effectively can rapidly be obtained to nutriment, to reach optimal activity And growth conditions.The purpose that multiple nutrient solution spiral spray pipes 112 are respectively provided with each spiral chamber 111 is to ensure that and is distributed in Microorganism in spiral chamber 111 everywhere can get nutriment, and then it is right to improve spiral tool sieve plate drop filter tower 100 The treatment effeciency of waste gas.

It should be noted that in other embodiment of the present utility model, according to actual requirement of engineering, the spray of nutrient solution spiral Spilling the quantity of pipe 112 can adjust more than 2.Certainly, in other embodiment of the present utility model, the spray of nutrient solution spiral The quantity for spilling pipe 112 can also be 1, but compared to quantity be more than 2 when, its treatment effect to waste gas is relatively poor.

Further, Fig. 5 is referred to, length direction of multiple spray holes 113 along nutrient solution spiral spray pipe 112 is uniformly set Put.The purpose of the design is so that nutrient solution while can be equably sprayed onto the everywhere of filler in spiral chamber 111 and be entered One step ensures that the microorganism in spiral chamber 111 can uniformly and fully get nutriment, to reach preferably useless Gas disposal effect.

Further, Fig. 2 and Fig. 4 are referred to, the top of tower body 110 is provided with high-pressure spraying device 120, high-pressure spraying device 120 connect with inlet 119.Referring also to shown in Fig. 6, high-pressure spraying device 120 includes multiple connecting tubes 121, each connecting tube 121 are connected with an annular separating tube 122, and multiple annular separating tubes 122 correspond with multiple spiral chambers 111, each Annular separating tube 122 may be contained within the top open part of corresponding spiral chamber 111, each annular separating tube 122 and Nutrient solution spiral spray pipe 112 in the spiral chamber 111 corresponding with annular separating tube 122 connects.When charging when, filler from The center of annular separating tube 122 enters in spiral chamber 111.By annular separating tube 122 by nutrient solution spiral spray pipe 112 connect with high-pressure spraying device 120, when avoiding nutrient solution spiral spray pipe 112 and high-pressure spraying device 120 and being joined directly together, by The stop of nutrient solution spiral spray pipe 112 at the top of spiral chamber 111 causes filler to be had some setbacks when entering spiral chamber 111 Freely.

When spiral tool sieve plate drop filter tower 100 works, nutrient solution enters in tower body 110 from inlet 119, in high-pressure spraying Sprayed in the presence of device 120 by the spray hole 113 on nutrient solution spiral spray pipe 112, due to the nutrient solution tool sprayed There is higher its region that can be reached in the middle part of filler of hydraulic pressure event to be further ensured that the thing biology being attached in filler can obtain The treatment effect for causing waste gas to enough nutrients is further strengthened.

Meanwhile discharge filler is needed to clean spiral chamber 111 when spiral tool sieve plate drop filter tower 100 is stopped When, filler is discharged from spiral chamber 111 first, is then passed into rinse water in high-pressure spraying device 120 from inlet 119, Sprayed after pressurized by the spray hole 113 on nutrient solution spiral spray pipe 112 and spiral chamber 111 is cleaned.

Further, Fig. 2 and Fig. 7 are referred to, is detachably provided with the bottom of the corresponding spiral chamber 111 of tower body 110 anti- Slip through the net 135, it is to stop the filler being filled in spiral chamber 111 because Action of Gravity Field all slides to set anti-135 purpose of slipping through the net Locate spiral chamber 111, cause equipment can not Effec-tive Function the problem of.

Further, Fig. 2 and Fig. 3 are referred to, the bottom of tower body 110 is provided with the discharging opening for closing discharging opening 115 Lid 130, discharging opening 115 are arranged at the underface of multiple spiral chambers 111, and the bottom of tower body 110 is provided with for closing discharging The discharging lid 130 of mouth 115, after discharging lid 130 is opened, then 135 openings of slipping through the net will be prevented, the filler in spiral chamber 111 exists Directly it can be discharged under Action of Gravity Field by discharging opening 115.Air inlet 114 is arranged in discharging lid 130, due to the lid that discharges 130 are located at the bottommost of tower body 110, can evenly enter each spiral chamber when gas rises and spread from lowest part toward eminence In 111, therefore air inlet 114 is arranged in discharging lid 130 and enables to waste gas more uniformly to enter in spiral chamber 111.

It should be noted that in other embodiment of the present utility model, air inlet can also be that to be arranged at tower body close The side-walls of discharging opening, but the design method is not easy diffusion uniformly compared to the design method waste gas of the present embodiment.

Further, referring again to Fig. 3 and referring also to shown in Fig. 8, Fig. 8 is the enlarged drawing at Fig. 3 VIII.Tower body 110 It is interior, sieve plate 117 is provided with multiple spiral chambers 111 and on air inlet 114, is provided with sieve plate 117 more Individual air dispelling hole 118.This is designed to cause the waste gas that enters inside tower body 110 from air inlet 114 in sieve plate 117 and thereon scattered It is scatter in the presence of stomata 118 and from air dispelling hole 118 by entering in spiral chamber 111 so that waste gas can be more uniform Ground is entered in each spiral chamber 111, further such that Institute of Micro-biology's exhausted air quantity to be processed in filler is suitable and useless Gas admission velocity is uniform, so that enabling the microorganism in filler fully to be acted on waste gas.

Further, the bearing of trend of air dispelling hole 118 tilts relative to the plate face of sieve plate 117.Because sieve plate 117 is being set Horizontal plane setting is generally parallel to when in tower body 110.It is to move upwards that waste gas, which enters in tower body 110, due to air dispelling hole 118 It is obliquely installed, when waste gas is by air dispelling hole 118, the wall of the corresponding air dispelling hole 118 of sieve plate 117 can produce certain resistance to waste gas Power, enable to waste gas more uniformly can be handled into spiral chamber 111 by multiple air dispelling holes 118, so as to more Be advantageous to fully contact with the filler in spiral chamber 111, and then the microorganism in filler is fully carried out with waste gas Effect, to reach optimal treatment effect.

Further, referring again to Fig. 9, Fig. 6 is the enlarged drawing at Fig. 2 Ⅸ, discharging lid 130 edge be provided with it is close Seal washer 131.The purpose for setting seal washer 131 is to seal tower body 110, and it is right to prevent that discharging lid 130 is covered on tower body 110 Answer phenomenon that is not tight at discharging opening 115 and leaking air.

Further, referring again to Fig. 9, its edge is provided with multiple fasteners 133 in the lid 130 that discharges, gone out The outer wall of the corresponding tower body 110 of material mouth 115 is provided with multiple fasteners 132, multiple fasteners 133 corresponded with multiple fasteners 132 and Cooperate, fastener 133 is connected with the mutual cooperation of fastener 132, realizes that discharging lid 130 is detachably arranged at tower body 110 Bottom, it is easy to opening and the closing of discharging opening 115.

Preferably, refer to shown in Fig. 1 and Fig. 2, spiral tool sieve plate drop filter tower 100 also includes air blower 140, tower body 110 bottom is provided with the air intlet 134 connected with multiple spiral chambers 111, and air intlet 134 connects with air blower 140 It is logical.When the vital movement of the too low microorganism for being difficult to meet to adhere on filler of oxygen content in the waste gas being passed through in tower body 110, Then open air blower 140 and air is passed into spiral chamber 111 to the oxygen provided for microorganism required for vital movement；When logical Enter sufficiently high disclosure satisfy that of oxygen content in the waste gas in tower body 110 to be then not required to open air blower 140 during microbial life activity.

In summary, spirally multiple spiral chamber helical spiral designs help to extend waste gas in spiral shell in tool sieve plate drop filter tower The residence time make it that microorganism is more complete by exhaust-gas treatment in rotation chamber, and the setting of sieve plate to give up from what air inlet entered Gas, which can be disperseed more uniformly to enter in helical cavity room, make it that microorganism is higher to the treatment effeciency of waste gas；Dissipated on sieve plate Stomata is obliquely installed then further such that waste gas more uniformly can enter in helical cavity room；Multiple nutrient solution spiral sprays Pipe, which is uniformly arranged on tower body and corresponds to the inwall of spiral chamber, ensure that the microorganism of attachment in filler can get and is provided from body life The required nutrition of life activity；It is to be further ensured that micro- life in filler that spray hole is uniformly arranged along nutrient solution spiral spray pipe Thing can be got for its vital movement needed nutrient；The setting of high-pressure spraying device not only further such that in filler everywhere Microorganism can get nutrients, additionally it is possible to so that the cleaning of later stage spiral chamber is more convenient；The setting of air blower makes When oxygen content is relatively low in proper waste gas also can in time into tower body supplemental oxygen to meet the vital movement of microorganism；And It is readily produced in the spiral tool sieve plate drop filter tower industry simple in construction.

The utility model additionally provides a kind of exhaust treatment system, and it includes above-mentioned multiple spiral tool sieve plate drop filters Tower, multiple above-mentioned spiral tool sieve plates drop filter towers are sequentially connected in series, because the exhaust treatment system has been connected multiple above-mentioned spiral shells Rotating tool sieve plate drop filter tower, therefore the exhaust treatment system enables to the harmful substance in waste gas treatment process in waste gas to be removed Ground is more thorough.

Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for For those skilled in the art, the utility model can have various modifications and variations.It is all in spirit of the present utility model and former Within then, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for For those skilled in the art, the utility model can have various modifications and variations.It is all in spirit of the present utility model and former Within then, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (10)

1. a kind of spiral tool sieve plate drop filter tower, it is characterised in that including tower body, multiple helical cavities are provided with the tower body Room, is provided with nutrient solution spiral spray pipe in each helical cavity room, and the tube wall of the nutrient solution spiral spray pipe is provided with more Individual spray hole, the bottom of the tower body are provided with air inlet and discharging opening, gas outlet and feed liquor are provided with the top of the tower body Mouthful, the top of each spiral chamber connects with the gas outlet, and is connected with the inlet；Each spiral The bottom of chamber connects with the air inlet, and is connected with the discharging opening, in the tower body, positioned at multiple spirals Sieve plate is provided with chamber and on the air inlet, the sieve plate is provided with multiple air dispelling holes.

2. spiral tool sieve plate drop filter tower according to claim 1, it is characterised in that the institute in each helical cavity room The quantity for stating nutrient solution spiral spray pipe is at least 2, and nutrient solution spiral spray pipe is uniformly arranged on the tower body described at least two The inwall of the corresponding spiral chamber.

3. spiral tool sieve plate drop filter tower according to claim 1, it is characterised in that the bearing of trend phase of the air dispelling hole Tilted for the plate face of the sieve plate.

4. spiral tool sieve plate drop filter tower according to claim 1, it is characterised in that be provided with height at the top of the tower body Spray thrower is pressed, the high-pressure spraying device connects with the inlet, and the high-pressure spraying device includes multiple connecting tubes, each connection Pipe is connected with an annular separating tube, and multiple annular separating tubes correspond with multiple spiral chambers, each described Annular separating tube and the helical cavity room corresponding with the annular separating tube in the nutrient solution spiral spray Guan Lian It is logical.

5. spiral tool sieve plate drop filter tower according to claim 1, it is characterised in that the bottom of the tower body is provided with use In the discharging lid for closing the discharging opening, the air inlet is arranged at the discharging lid.

6. spiral tool sieve plate drop filter tower according to claim 5, it is characterised in that the edge of the discharging lid is set Seal washer.

7. spiral tool sieve plate drop filter tower according to claim 6, it is characterised in that the discharging opening cover outer wall is close to institute State discharging lid edge and be provided with multiple fasteners, the outer wall that the discharging opening corresponds to the tower body is provided with multiple fasteners, more The individual fastener is corresponded and cooperated with multiple fasteners.

8. spiral tool sieve plate drop filter tower according to claim 1, it is characterised in that the top of the tower body is also detachable Top cover is provided with, the top cover is located on multiple spiral chambers, and the gas outlet, the inlet may be contained within described Top cover, the top cover are additionally provided with multiple charging apertures, a pair of the top 1 of multiple charging apertures and multiple spiral chambers Should, side of the top cover away from the spiral chamber is provided with the charging lid for closing the charging aperture.

9. spiral tool sieve plate drop filter tower according to claim 1, it is characterised in that also including air blower, the tower body Bottom be additionally provided with the air intlet connected with multiple spiral chambers, the air blower connects with the air intlet It is logical.

10. a kind of exhaust treatment system, it is characterised in that including multiple spiral tools as described in claim any one of 1-9 Sieve plate drips filter tower, and multiple spiral tool sieve plate drop filter towers are sequentially connected in series.