CN2074202U

CN2074202U - Filtering device for exhaust fume

Info

Publication number: CN2074202U
Application number: CN 90208708
Authority: CN
Inventors: 麦松泉; 麦恭铭
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-06-20
Filing date: 1990-06-20
Publication date: 1991-04-03

Abstract

The utility model discloses a filtering device for exhaust fume used for filtering smoke and dust of chimney. The utility model is characterized in that the end of the chimney is connected with a gas delivery pipe whose bottom is provided with a water outlet, the ring side of the gas delivery pipe is provided with a spray gun, a filter screen is fixed in the gas delivery pipe, space whose top and bottom are communicated is between the inner ring wall and outer ring wall of the gas delivery pipe, and an inclined plate which is communicated with the space is arranged in the inner ring wall of the gas delivery pipe. In addition, a backstop can be arranged at the end of the chimney to prevent sewage from refluxing or a filtering device which can filter sewage can be arranged between the water outlet and the spray gun, so that the purpose of washing and cooling hot gas, filtering, sucking, and filtering sewage by the filtering screen can be achieved, and natural pollution is decreased.

Description

Filtering device for exhaust fume

A kind of chimney filtrating smoke dust device particularly a kind ofly can be removed flue dust, cooling air, and can make and purify flue gas and discharge, and be beneficial to field erected blast pipe (or chimney) and use the filtrating smoke dust device.

At present, serious air pollution, become a kind of significant damage in industrial development epoch, the a large amount of black smokes or the dust that spread all over factory's discharging everywhere, cause the deterioration of living environment and because the distribution of a large amount of hot gas, can cause suffocative air, with cement plant or brickkiln factory is example, and these factories all are provided with large-scale chimney with the discharging flue dust, when smoke contamination is serious, even can form expiratory dyspnea, the visual field is fuzzy, but so far as yet the someone corrective measure to this technical problem is proposed, or because do not develop effective technical means, or because the costliness of procuring equipment price, or because other reason.

The purpose of this utility model is to provide a kind of dedusting, cooling hot gas at the deficiency of prior art, and can be smooth and easy the discharge blast pipe (or chimney) that purifies flue gas use the filtrating smoke dust device.

The purpose of this utility model also is: provide a kind of and be not subjected to the blast pipe specification limits and be beneficial to field erected blast pipe (or chimney) to use the filtrating smoke dust device.

The purpose of this utility model is achieved in that the end at the chimney blast pipe connects and establishes the appendix that a bottom is provided with discharge outlet, this appendix end is provided with one and can borrows axle to drive the blade rotation and produce the motor of a suction force, appendix is at its end and the air exhaust loop that can supply the discharging flue dust is arranged, between air exhaust loop end and motor, be provided with one and can stop that flue gas enters the baffle plate in the motor, but at gas transmission pipe ring skew back to the spray gun that places jet douche liquid, be provided with screen pack in appendix inside, be provided with filter screen in the air exhaust loop outside.

The purpose of this utility model can also realize by following measure: appendix is provided with inside and outside ring wall, is formed with the space that can be communicated in air exhaust loop and appendix bottom between this two ring wall, and also is formed with the inclination road that is communicated in above-mentioned space in the appendix internal ring wall.

The purpose of this utility model can also realize by following measure: blast pipe is inserted the end outlet place of appendix, and the water injector that a periphery offers hole for water spraying and fumarole is set.

The purpose of this utility model can also reach by following measure: blast pipe end-rings side offers the outlet that has a power failure, and is provided with ventilating opening near pipe end around the motor.

The purpose of this utility model can also reach by following measure: be provided with one at blast pipe and the appendix place of accepting and prevent flow backwards backstop within blast pipe of sewage.

The purpose of this utility model can also reach by following measure: positive return device includes the fixed head that is connected to blast pipe end outlet place, and be positioned at the inclined guide plate of fixed head top, and be formed at the inclined guide plate bottom, promptly accept the guide groove at place with respect to fixed head and inclined guide plate.

The width of fixed head and inclined guide plate is greater than the diameter of blast pipe.

At the terminal filter that is communicated between discharge outlet and the spray gun of placing of discharge outlet, this filter includes and is connected to discharge outlet and the inner little filter chamber that is communicated with that is equipped with filter material, the upper strata filter chamber, and can be communicated in upper strata filter chamber and the inner lower floor's filter chamber that is built-in with filter material, and can utilize overflow pipe to be communicated in the communication chamber of lower floor's filter chamber, but and can utilize another overflow pipe and be communicated in the cistern of also plural groups design, and connect pumping hole in above-mentioned cistern.

Fig. 1 is the cross-sectional schematic of embodiment one.

Figure 1A is the schematic top plan view of embodiment one.

Fig. 2 is another schematic diagram of embodiment one.

Fig. 3 is the cross-sectional schematic of embodiment one filter.

Fig. 4 is the schematic perspective view of embodiment one spray gun.

Fig. 5 is the cross-sectional schematic of embodiment two.

Fig. 6 is the front view of embodiment three.

Fig. 7 is the front view of embodiment four.

The contrast accompanying drawing is described in detail formation of the present utility model below.

As shown in Figure 1, the utility model mainly is at blast pipe 1(or chimney) appendix of end installing with inside and outside ring wall.2. the top end of appendix 2 is provided with a motor.3. motor 3 drives blade 4 rotations by axle center 31, thereby when making blade 4 rotations flue dust is formed a suction force, the place, axle center of this motor is provided with bearing A, make it stable rotation, appendix 2 in its end and be formed with can for the discharging flue dust air exhaust loop 21, pipe end-rings side offers a plurality of power failure outlets 23, pipe end is provided with a plurality of ventilating openings 22 around motor, between the end of air exhaust loop 21 and motor 3, be provided with a baffle plate 5, so that the flue dust that is aspirated by blade 4 can not enter motor 3, thereby can prolong the service life of motor 3, more than being provided with, the outer rim side appropriate location of appendix 2 supply the jet douche fog-like body only (as vaporific chilled water, vaporific suds or vaporific limewash) spray gun 6, spray gun 6 can be done suitable skewed setting, this flushing fog-like body can or mix the flushing of the dirt in the flue dust, the end outlet place of inserting appendix 2 at blast pipe 1 also can be provided with a water injector 11, the periphery of this water injector 11 also is formed with majority can be for the hole for water spraying 111 of ejection water, and can be for the fumarole 112 of ejection gas, above-mentioned both can both rinse out via chimney 1 terminal pollutant of discharging flue dust, but also flue dust hot gas can be cooled off.

Shown in Fig. 1 and Figure 1A, when flue dust enters appendix 2 via blast pipe 1 discharge, rinse out the part pollutant by water injector 11, spray gun 6 can spray flushing liquid simultaneously, dirt in the flue dust rinsed out once more and become the flue gas of comparatively clean and cooling and can slowly cool off the flue dust heat again, by the tilting water spray effect of spray gun, the flue gas that guiding is filtered blows to ventilating opening 22 or the outlet 23 that has a power failure easily, the blade 4 of axle 31 driven rotary of motor can produce a suction force this clean flue gas is discharged the external world via air exhaust loop 21 simultaneously, can not cause air pollution, and the dirt that part is rinsed also can stick on the screen pack 20 that is fixed on appendix 2 inside, and flow down via internal ring wall, as for the cleaning and the cooled flue gas of discharging via air exhaust loop 21, mainly can drain into external world's (as shown by arrows) via a plurality of ventilating openings 22 around the motor 3, if when having a power failure, purify the flue gas of inhaling cooling and also can directly discharge, have screen pack 27 can filter out pollutant once more in air exhaust loop 21 arranged outside via the power failure outlet 23 that is positioned at appendix 2 end-rings sides.The flue gas that flue gas that the end is excluded or end are rinsed out dirt fully also can be through between appendix 2 inside and outside ring walls formed space 24 flow to appendix 2 bottoms and this space 24 can be communicated with air exhaust loop 21, the internal ring wall of appendix 2 also has the inclination road 25 that is communicated with above-mentioned space 24 as shown, make part and gather the discharge outlet 26 that is back to appendix 2 bottoms at the aqueous flue dust of appendix 2 via space 24, this discharge outlet 26 is to offer the minimum point of appendix 2, so that sewage flows out smoothly.Therefore, the sewage that flows down via screen pack 20 can flow to inclined side 25 via internal ring wall and flow to discharge outlet 26 again and get rid of, and also can flow to discharge outlet 26 for 24 times via the space via the sewage that filter screen 27 pours out and get rid of.Simultaneously, the flue gas that is not excluded also can be via space 24 reflux cycle, till being discharged from.

As shown in Figure 2, for preventing to flow backward to blast pipe 1(or chimney at the sewage among the appendix 2) within, also can establish a backstop 7 at the place of accepting of blast pipe 1 and appendix 2, this device comprises that one is connected to the fixed head 7 at blast pipe 1 end outlet place, and be positioned at the inclined guide plate 72 of fixed head 7 tops, and formation inclined guide plate 72 bottoms, promptly accept the guide groove 73 at place with respect to fixed head 71 and inclined guide plate 72, following current is to guide groove 73 so that the sewage that appendix 2 drips can directly drip in inclined guide plate 72,74(is because the width of fixed head 71 and inclined guide plate 73 and area coverage must be greater than the diameters of blast pipe 1), and then flow to discharge outlet 26, as mentioned above, the setting of backstop 7 not only can make blast pipe 1(or chimney) smoke evacuation of rising flow to appendix 2 inside via fixed head 71 and inclined guide plate 72 smoothly, and the sewage that is rinsed out by water smoke also can be got rid of via discharge outlet 26 easily, simultaneously, as long as backstop 7 is installed, also can consider motor 3 needn't be set, be that flue dust is only after the water spray of spray gun helps the effect of drawing to be rinsed, directly clean smooth air is discharged ventilating opening or outlet, become no motor type smoke abatement equipment.

As for disposal options, can be communicated in the sewage filter device between discharge outlet 26 and the spray gun 6 so that use by being provided with one, as shown in Figure 3 via the effluent cycle of discharge outlet 26 outflows through discharge outlet 26 backflow sewage.Filter includes the small offence filter chamber 86(that is connected to discharge outlet 26 and was provided with material in it, can filter the impurity of the larger volume that flows into via discharge outlet 26) in advance, and filter chamber 81(inside, upper strata is placed with the sand that can supply to filter the sewage filth), and filter chamber 82(lower floor of lower floor filter chamber 82 inner storings that can be communicated in upper strata filter chamber 81 have multilayer filtering medium 821, this filtering medium can be sand from level to level, sponge, plastics, charcoal, Xiao Bai stone ... Deng filtering material), and utilize filter pipe 831 to be communicated in the communication chamber 83 of lower floor's filter chamber 82, and also available another overflow pipe 832 of communication chamber 83 is communicated in the external world, these overflow pipe 832 end outlet places can connect and establish suitably several cistern 84 again, and make every cistern 84 all connect a bellmouth 85, enter filter 8 via discharge outlet 26 and flow to the water quality of cistern 84, its filth has been kept somewhere by therebetween filter material layer and has been become clean water matter, its filth also will be deposited in the bottom of small offence filter chamber 86 upper strata filter chambers, 81 lower floor's filter chambers 82 and communication chamber 83 and can not influence the fluency of current, the clean water of cistern 84 inside can be adjusted to chilled water, limewash or suds.

As shown in Figure 4, schematic perspective view for spray gun, in conjunction with Fig. 1, Fig. 3 spray gun 6 mainly comprises and is connected to above-mentioned pumping hole 85 and is formed with most very small pores 61 in penetrating end, when pumping hole 85 draws water via cistern 84, and with powerful current deflecting spray gun 6, whole powerful current become the water-fog type ejection immediately when current flow to terminal hole 61, and the water smoke of this ejection exactly can fall impurity in the flue dust at appendix 2 interior flushings, make the flue gas of clean and cooling discharge extraneous, thereby reduce air pollution in a large number, and the sewage of carrying impurity secretly also can drain into filter 8 via discharge outlet 26 and is filtered into clear water and recycles alone.

As shown in Figure 5, appendix 9 also can be arranged in one and have the blast pipe 1 of syphon shape end to cooperate factory's actual needs, its unique difference only is that the direction of appendix 9 ornaments converts the horizontal type ornaments to by above-mentioned erect type, filter, aspirate, filter effects such as sewage as for flushing cooling hot gas and screen pack that it possessed, all same as above.

As shown in Figure 6, appendix 2 can be set up in a security fence 60, with consolidate its installing after stability and security prevent because of awful weather ... fall the danger of couch when taking place, reach effect that long-term security uses and the utility model and can whether must install according to the needs decision and have the power source that aspirates strength etc. factor.

As shown in Figure 7, appendix 10 also can be connected to the central appropriate location of blast pipe 1, directly with the flue dust of blast pipe 1 inside in the joint suction process, needn't get rid of via end again, and the ring side appropriate location by diagram appendix 1 also can be provided with joint A, and is suitable for appendix 10 inside (flue dust collecting that this joint A can discharge several the smoke exhaust pipes of connecting in factory building and aspirated and handle by appendix 10).Certainly, no matter be float tracheae 1 or the joint A flue dust of being discharged through appendix 10 when inner, but processing such as all same XianCheng flushings, cooling hot gas, screen pack filter, suction, filtration sewage, this has seen top described, the appendix 10 that is provided with in this way can be simplified the length that is provided with of blast pipe 1 in addition, even can replace the setting of blast pipe 1 and appendix 10 only is set and get final product, thereby saving funds and cost.

As mentioned above, the utlity model has following advantage: 1. can be designed to simultaneously have flushing, screen pack filtration, cooling hot gas and suction, filtration sewage, and the effect that clean water is recycled, make discharge flue gas the pollution of the Nature is minimized and almost reach smoke dust and hot air discharge degree. 2. the utility model can be arranged at the blast pipe end of any type, such as factory, steamer, domestic chimney ... Deng the blast pipe end utilization can be set all, no matter and vertical type setting or traverse formula arrange all and can reach identical effect. 3. low, the cost of cost of the present utility model is economized. 4. it also can be applicable to epimegetic chimney, wide application.

Claims

1, a kind of chimney filtrating smoke dust device, mainly be to connect at the blast pipe end to establish the appendix that a bottom is provided with discharge outlet, it is characterized in that: this appendix end is provided with one and can borrows axle to drive the blade rotation and produce the motor of a suction force, appendix is at its end and the air exhaust loop that can supply the discharging flue dust is arranged, between air exhaust loop end and motor, be provided with one and can stop that flue gas enters the baffle plate in the motor, but at gas transmission pipe ring skew back to the spray gun that places jet douche liquid, be provided with screen pack in appendix inside, be provided with filter screen in the air exhaust loop outside.

2, according to the described filtrating smoke dust device of claim 2, it is characterized in that: appendix is provided with inside and outside ring wall, is formed with the space that can be communicated in air exhaust loop and appendix bottom between this two ring wall.And also be formed with the inclination road that has been communicated with above-mentioned space in the appendix internal ring wall.

3, the described filtrating smoke dust device of a tree name claim 1, it is characterized in that: blast pipe is inserted the end outlet place of appendix, and the water injector that a periphery offers hole for water spraying and fumarole is set.

4, the described filtrating smoke dust device of a tree name claim 1 is characterized in that: blast pipe end-rings side offers the outlet that has a power failure, and is provided with ventilating opening near pipe end around the motor.

5, according to the described filtrating smoke dust device of claim 1, it is characterized in that: blast pipe and the appendix place of accepting are provided with one and prevent flow backwards backstop within blast pipe of sewage.

6, according to the described filtrating smoke dust device of claim 5, it is characterized in that: backstop includes the fixed head that is connected to blast pipe end outlet place, and be positioned at the inclined guide plate of fixed head top, and be formed at the inclined guide plate bottom, promptly accept the guide groove at place with respect to fixed head and inclined guide plate.

7, according to the described filtrating smoke dust device of claim 6, it is characterized in that: the width of fixed head and inclined guide plate is greater than the diameter of blast pipe.

8, according to claim 1 or 2 or 3 or 4 described filtrating smoke dust devices, it is characterized in that: one filter that is communicated between discharge outlet and the spray gun is set at the discharge outlet end.

9, according to the described filtrating smoke dust device of claim 8, it is characterized in that: this filter includes and is connected to discharge outlet and inner be equipped with the little filter chamber that is communicated with, the upper strata filter chamber of filter material and can be communicated in the upper strata filter chamber and innerly be built-in with lower floor's filter chamber of filter material and can utilize overflow pipe to be communicated in the communication chamber of lower floor's filter chamber, but and can utilize another overflow pipe and be communicated in the cistern of also plural groups design, and connect pumping hole in above-mentioned cistern.