Utility model content
The purpose of this utility model is to provide a kind for the treatment of column for purifying and stive waste gas, and this treating column has the operation principle being different from traditional water film dedusting equipment, and power consumption is less.
To achieve these goals, the utility model provides a kind for the treatment of column for purifying and stive waste gas, this treating column comprises tower body and is horizontally placed in this tower body the inner chamber of this tower body to be divided into the dust removal and filtration plate of multiple chamber, described treating column is provided with the air inlet for passing into dust waste gas and the exhaust outlet for discharging the gas after filtration, the described dust waste gas passed into from described air inlet can filter through described dust removal and filtration plate, and, described treating column is also provided with for passing into filtered fluid to form the inlet of moisture film and the leakage fluid dram for discharging the soiling solution in described tower body on described dust removal and filtration plate.
Preferably, the top of described tower body is provided with housing, and the lower port of this housing is provided with the water fender being formed as curved pathway, and described exhaust outlet is arranged on the top of described housing.
Preferably, the bottom of described tower body is provided with back liquid chamber, and described leakage fluid dram is arranged on this time liquid chamber.
Preferably, described air inlet by upwards to extend and pass described time liquid chamber air inlet pipe and with the inner space of described tower body, the top of this air inlet pipe is provided with overhead guard.
Preferably, described air inlet pipe is provided with outer permeability cell, the sidewall of the pipeline section of this outer permeability cell and residing described air inlet pipe thereof is formed with the air-vent missed one another respectively.
Preferably, described inlet is connected with the feed liquor mother pipe extended above described dust removal and filtration plate, and the female pipe of this feed liquor is connected with the multiple feed liquor arms extended in the horizontal direction, the tube wall of each feed liquor arm is formed towards the eyelet of described dust removal and filtration plate.
Preferably, dust removal and filtration plate described in multilayer is arranged at intervals with in described tower body.
Preferably, described dust removal and filtration plate comprises flexible screen pack and is separately positioned on the upper and lower both sides of this screen pack to clamp the upper filter plate of the rigidity of this screen pack and lower filter plate.
Preferably, the order number of the described screen pack of the described dust removal and filtration plate on upper strata is less than the order number of the described screen pack of the described dust removal and filtration plate of lower floor.
Preferably, the inwall of described tower body is provided with filter fixed mount, and this filter fixed mount has the slot for dust removal and filtration plate described in plug-in mounting.
Preferably, described slot has the near-end for inserting for described dust removal and filtration plate, and the far-end of described slot is provided with hydrops groove, this hydrops trench bottom is connected with multiple woven hose, the tube wall of woven hose described in each is formed towards the eyelet of the described dust removal and filtration plate of correspondence.
Preferably, described slot has the near-end for inserting for described dust removal and filtration plate, and the outer wall position place relative with this near-end of described tower body is removably provided with shrouding.
On this basis, the utility model provides a kind of equipment for purifying and stive waste gas, this equipment comprises the described treating column that surge chamber and the utility model for storing dust waste gas provide, and the connecting path between described surge chamber and the described air inlet of described treating column is provided with the aspirator for being pumped by the dust waste gas of described surge chamber to described air inlet.
Preferably, described surge chamber is connected with multiple described treating column.
In addition, the utility model also provides a kind of system comprising described treating column or equipment, and wherein, described inlet is connected with liquid reserve tank by the water influent pipeline being provided with delivery pump, and described leakage fluid dram is communicated with described liquid reserve tank by liquid back pipe road.
By technique scheme of the present utility model, dust waste gas passes into tower body inner chamber by air inlet, after being formed in the filtration of the moisture film on horizontally disposed dust removal and filtration plate, is discharged by exhaust outlet.In this purification process, because dust removal and filtration plate level is arranged, have certain maintenance effect to the filtered fluid on it, thus discharge is less.Further, without the need to providing powerful centrifugal force to dust, make power consumption in dust removal process less.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
Shown in Fig. 5, the utility model provides a kind for the treatment of column 1 for purifying and stive waste gas, comprises tower body 11, and this tower body 11 is formed with inner chamber, can arrange moisture film to process dust waste gas in this inner chamber.Be horizontally disposed with dust removal and filtration plate 14 in this inner chamber, this dust removal and filtration plate 14 can have formed moisture film and the inner chamber of described tower body 11 is divided into multiple chamber.
Described treating column 1 is also provided with the air inlet for passing into dust waste gas and the exhaust outlet for discharging the gas after filtration, and the dust waste gas passed into from air inlet can filter through described dust removal and filtration plate 14.Further, described treating column 1 is also provided with for passing into filtered fluid to form the inlet of moisture film and the leakage fluid dram 131 for discharging the soiling solution in described tower body 11 on described dust removal and filtration plate 14.
Dust waste gas is passed into the inner chamber of tower body 11 by air inlet, adjacent chamber is entered from a chamber by dust removal and filtration plate 14, to filter dust wherein, noxious material etc. by making (such as when reaching enough pressure) this dust waste gas.Gas after filtration can be discharged by exhaust outlet, thus can reach emission request.
For the ease of forming moisture film on dust removal and filtration plate 14, filtered fluid can be provided by inlet to dust removal and filtration plate 14, to ensure that filtered fluid can effectively dedusting.Can be discharged by leakage fluid dram 131 from dust removal and filtration plate 14 seepage or the soiling solution that flows down.
Should be understood that, for different dust waste gas, described filtered fluid can be different.Such as, filtered fluid can be water, for being filtered by inertial collision and suction-operated; If containing acid or alkaline matter (as solid granulates, steam etc.) in dust waste gas, then akaline liquid or acid filtered fluid can be utilized to form moisture film and carry out chemisorbed by acid-base neutralization principle.Therefore; although the utility model is mainly described with the waste gas containing dust; but the treating column that the utility model provides, equipment and system are equally applicable in the purification operation of the waste gas containing acid or alkaline gas etc.; as long as by forming moisture film and implement waste gas purification operation on dust removal and filtration plate 14, can all belong to protection domain of the present utility model.
The treating column 1 utilizing the utility model to provide carries out in waste gas purification process, because dust removal and filtration plate 14 is horizontally disposed with, thus has certain maintenance effect to the filtered fluid on it, and the filtered fluid that passed into by inlet thus can be made less.In addition, without the need to providing powerful centrifugal force for dust in filter process, make the power consumption of dust removal process less.
In addition, compared to the form that moisture film in conventional art is vertically arranged, the form that the dust removal and filtration plate 14 for the formation of moisture film is set to level is also created unforeseeable technique effect by treating column 1 of the present utility model.Particularly, in the moisture film form of the vertical setting of conventional art, in order to the grit utilizing the flowing of filtered fluid to wash away absorption, need constantly to supply filtered fluid to moisture film wall, and filtered fluid can flow down along moisture film wall under gravity, make the filtered fluid on the upside of moisture film wall less, filter effect is relatively poor; Filtered fluid on the downside of moisture film wall is then more, and cause gas to be difficult to pass through, filter efficiency is lower.The moisture film that horizontally disposed dust removal and filtration plate 14 of the present utility model is formed then can be comparatively even, makes filtration be easy to control, ensure filter effect and efficiency.
In addition, moisture film vertically arranges and also easily makes exhaust outlet flow area less, in order to discharge the gas after filtration, needs to make the dust waste gas passed into have larger kinetic energy or pressure, thus requires larger driving power.The utility model then can have the exhaust outlet of larger flow area, without the need to very large pressure, dust waste gas can be made by moisture film and gas after making filtration is discharged.
Another aspect of the present utility model also provides a kind of equipment for purifying and stive waste gas comprising treating column 1.As shown in Figure 1, this equipment also comprises the surge chamber 2 for storing dust waste gas, this surge chamber 2 is communicated with the air inlet for the treatment of column 1, and be provided with on connecting path for the dust waste gas in surge chamber 2 being pumped to air inlet and then the aspirator sending into tower body 11 inner chamber, this aspirator can be axial flow blower 7.
In order to promote treatment effeciency, multiple treating column 1 can be made to be connected on surge chamber 2.Such as, above surge chamber 2, the supporting leg 10 be formed on treating column 1 is utilized to support multiple treating column 1, to carry out dedusting operation simultaneously.
In addition, the utility model also provides a kind of system for purifying and stive waste gas, comprises above-mentioned treating column 1 or equipment.For the ease of conveying and the discharge of filtered fluid, inlet is connected with liquid reserve tank 5 by being provided with the water influent pipeline 4 of delivery pump 3, and leakage fluid dram 131 is communicated with liquid reserve tank 5 by liquid back pipe road 6.
Above to the treating column 1 of the utility model basic embodiment and there is its equipment and system is illustrated; be described in detail to the treating column 1 of the utility model preferred embodiment below; these explanations do not limit protection domain of the present utility model, and it can be used in the said equipment and system equally.
With reference to shown in Fig. 2, in treating column 1 according to a kind of preferred embodiment of the utility model, the top of tower body 11 is provided with housing 12, and the lower port of this housing 12 is provided with the water fender 15 being formed as curved pathway, and described exhaust outlet is arranged on the top of described housing 12.Exhaust outlet can be connected with blast pipe 8.Water fender 15 can be formed as various structures form, and such as in the embodiment shown in figure 2, water fender 15 is evenly distributed multiple bending plates.Pass through this set, curved pathway between exhaust outlet and moisture film has barrier effect for the filtered fluid carried in the filtered fluid splashed on moisture film and the gas after filtering, and separates by making filtered fluid (and steam) collide with water fender 15 sidewall in curved pathway.
The bottom of tower body 11 can also be provided with back liquid chamber 13, and leakage fluid dram 131 is arranged on this time liquid chamber 13.The soiling solution that dust removal and filtration plate 14 flows down and filtered fluid can fall into this time liquid chamber 13, and discharge from leakage fluid dram 131.
In addition, air inlet also can at the inner space going back to liquid chamber 13 position and tower body 11.In a preferred embodiment, as shown in Figures 2 and 3, air inlet by upwards to extend and pass back liquid chamber 13 air inlet pipe 161 and with the inner space of described tower body 11, the top of this air inlet pipe 161 is provided with overhead guard 162.Air inlet pipe 161 is arranged to extend through back liquid chamber 13, filtered fluid can be avoided to enter air inlet pipe.And overhead guard 162 being set at air inlet pipe 161 top, entering air inlet pipe for avoiding the soiling solution fallen from dust removal and filtration plate 14.
Further, outer permeability cell 163 can be provided with around air inlet pipe 161, the sidewall of the pipeline section of this outer permeability cell 163 and residing described air inlet pipe 161 thereof is formed with the air-vent 160 missed one another respectively.This air-vent 160 1 aspect shifted to install can make dust waste gas pass through, and needs dust waste gas to be filtered to pass into tower body 11 inner chamber; On the other hand, the soiling solution fallen can also be avoided directly to enter air inlet pipe 161.
For the ease of filtered fluid being arranged in equably on dust removal and filtration plate 14 to form the uniform moisture film of thickness, the female pipe 171 of the feed liquor extended above dust removal and filtration plate 14 can be connected with at inlet, the female pipe 171 of this feed liquor is connected with the multiple feed liquor arms 172 extended in the horizontal direction, the tube wall of each feed liquor arm 172 is formed towards the eyelet of described dust removal and filtration plate 14.
The female pipe 171 of above-mentioned feed liquor and feed liquor arm 172 can have multiple set-up mode.Such as, in the shown embodiment, multilayer dust removal and filtration plate 14 is arranged at intervals with in tower body 11, the female pipe 171 of feed liquor of inlet and connection thereof and feed liquor arm 172 are only arranged on above the superiors' dust removal and filtration plate 14, and the dust removal and filtration plate 14 of lower floor then receives the filtered fluid flowed down from the dust removal and filtration plate 14 above it.In alternate embodiments, the female pipe 171 of inlet and feed liquor and feed liquor arm 172 also can corresponding each layer (or part) dust removal and filtration plates 14 and be provided with multiple.
The structure of dust removal and filtration plate 14 also can have multiple choices, as long as it is convenient to be horizontally disposed with in tower body 11 and can all belongs to concept of the present utility model by filtering exhaust.In the preferred embodiment shown in Fig. 4 a and Fig. 4 b, dust removal and filtration plate 14 comprises flexible screen pack 141 and is separately positioned on these screen pack about 141 both sides to clamp the upper filter plate 142 of the rigidity of this screen pack 141 and lower filter plate 143.Wherein, screen pack 141 is mainly used in keeping filtered fluid to form moisture film, the upper filter plate 142 and the lower filter plate 143 that are arranged on upper and lower both sides then can make the basic maintenance level of screen pack 141, to form uniform moisture film, and prevent moisture film intense vibration under the effects such as air-flow by being connected to tower body 11 sidewall.Together with screen pack 141, upper filter 142 can be bolted with lower filter 143, thus be convenient to integrally be mounted to tower body 11.
In dust removal process, the dustiness of the waste gas passed into by air inlet is higher, and after the water film filtering of lower floor, dustiness reduces.For this reason, the order number of the screen pack 141 of the dust removal and filtration plate 14 on upper strata can be set to the order number of the described screen pack 141 of the described dust removal and filtration plate 14 being less than lower floor, thus reduce the resistance to air-flow under the prerequisite ensureing dust removing effects.
As shown in Fig. 2 and Fig. 4 a to Fig. 5, in order to fixing dust removal and filtration plate 14, can install filter fixed mount 18 at the inwall of tower body 11, this filter fixed mount 18 has the slot 181 for dust removal and filtration plate 14 described in plug-in mounting.This slot 181 has the near-end for inserting for described dust removal and filtration plate 14, and the far-end of slot 181 is provided with hydrops groove 19, be connected with multiple woven hose 191 bottom this hydrops groove 19, the tube wall of woven hose 191 described in each be formed towards the eyelet of the described dust removal and filtration plate 14 of correspondence.The dust removal and filtration plate 14 of correspondence described herein refers to the one deck compared with below in adjacent two layers dust removal and filtration plate 14, thus filtered fluid unnecessary on upper strata dust removal and filtration plate 14 can flow to lower floor's dust removal and filtration plate 14 by hydrops groove 19 and woven hose 191 thereof.
In this preferred embodiment, for the ease of forming moisture film on dust removal and filtration plate 14, and be convenient to unnecessary filtered fluid and flow to hydrops groove 19, the periphery of filter plate 142 can be made to be formed with flanging upwards, and the flanging adjacent with hydrops groove 19 is relatively low.Be somebody's turn to do the maximum gauge that the flanging adjacent with hydrops groove 19 determines moisture film, it can be highly (such as) 3mm.Alternatively, also can form breach on the flanging adjacent with hydrops groove 19, can above-mentioned functions be realized equally.
In addition, slot 181 is convenient to the fixing of dust removal and filtration plate 14, can be formed as multiple formation.As shown in Figure 5, there is in the downside of filter fixed mount 18 gripper shoe of horizontal-extending, for supporting dust removal and filtration plate 14.The upside of this filter fixed mount 18 then has the convex edge extended towards gripper shoe, and this convex edge and gripper shoe form described slot 181, move up and down to prevent dust removal and filtration plate 14.
According to the utility model comparatively preferred embodiment in, the outer wall position place relative with the near-end of described slot 181 of tower body 11 is removably provided with shrouding 111.Thus be convenient to change dust removal and filtration plate 14, to clean in time, ensure dust removing effects.Shrouding 111 can removably be connected on tower body 11 in several ways, such as grafting, is threaded.In order to avoid dust is revealed, sealing gasket can be set at shrouding 111 and tower body 11 joint.
In above-mentioned multiple preferred embodiment, tower body 11 can have multiple suitable shape.Wherein, tower body 11 preferably has square-section so that the isostructural layout of filter fixed mount 18, and have be easy to manufacture, be convenient to the advantages such as shrouding 111 installation.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.