CN105363337A - Waste incineration flue gas purifying system - Google Patents
Waste incineration flue gas purifying system Download PDFInfo
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- CN105363337A CN105363337A CN201510708673.7A CN201510708673A CN105363337A CN 105363337 A CN105363337 A CN 105363337A CN 201510708673 A CN201510708673 A CN 201510708673A CN 105363337 A CN105363337 A CN 105363337A
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Abstract
The invention relates to the field of air purification, and provides a waste incineration flue gas purifying system. The waste incineration flue gas purifying system comprises a bag-type dust remover and further comprises a semi-dry process reaction tower, a dioxin adsorbent charging device and a desulfurizer charging device, wherein an outlet of the semi-dry process reaction tower is connected with an inlet of the bag-type dust remover. The outlet end of the dioxin adsorbent charging device is connected with the semi-dry process reaction tower. The outlet end of the desulfurizer charging device is connected with the semi-dry process reaction tower. The semi-dry process reaction tower is provided with a flue gas inlet pipe. The waste incineration flue gas purifying system has a good purifying effect on sulfur and dioxin in flue gas generated by waste incineration.
Description
Technical field
The present invention relates to air purification field, especially a kind of waste incinerated smoke purification system.
Background technology
The flue gas that waste incineration produces contains harmful sulphur with bioxin; The utility model of Chinese Patent Application No. CN201320616305.6 discloses a kind of smoke eliminator, is provided with the gas cleaning pipeline drawn by flue gas on outlet flue side downwards, and the upper end of gas cleaning pipeline is communicated with outlet flue by " U " shape pipe.Sack cleaner is the device for gas cleaning; The structure of sack cleaner can obtain understanding from a kind of sack cleaner disclosed in the utility model of Chinese Patent Application No. CN200720201069.6; With bioxin, there is the deficiency that clean-up effect is poor in the sulphur in the flue gas produced with traditional smoke eliminator purification waste incineration; Therefore, design a kind of purify waste incineration produce flue gas in sulphur with the good waste incinerated smoke purification system of bioxin effect, become problem demanding prompt solution.
Summary of the invention
The object of the invention is in order to overcome current smoke eliminator for purify waste incineration produce flue gas in sulphur with bioxin, there is the deficiency that clean-up effect is poor, provide a kind of purify waste incineration produce flue gas in sulphur with the good waste incinerated smoke purification system of bioxin effect.
Concrete technical scheme of the present invention is:
A kind of waste incinerated smoke purification system, comprising: sack cleaner; Described waste incinerated smoke purification system also comprises: export the semidry method reaction tower ， bioxin adsorbent charging device be connected with the import of sack cleaner, desulfurizing agent feeding device; The port of export of bioxin adsorbent charging device is connected with semidry method reaction tower; The port of export of desulfurizing agent feeding device is connected with semidry method reaction tower; Semidry method reaction tower is provided with flue gas inlet pipe.The purification method of this waste incinerated smoke purification system, the flue gas that waste incineration produces enters semidry method reaction tower from flue gas inlet pipe; Bioxin adsorbent is sent into bioxin in semidry method reaction tower and flue gas mixing and absorption flue gas by bioxin adsorbent charging device; Desulfurizing agent is sent into semidry method reaction tower and is mixed with flue gas and carry out desulfurization by desulfurizing agent feeding device; Flue gas through Xi Fu bioxin and desulfurization enters sack cleaner from semidry method reaction tower, and the gas after Bag filter is discharged from the outlet of sack cleaner.Sulphur in the flue gas that this waste incinerated smoke purification system purification waste incineration produces is with bioxin effect is better.
As preferably, described semidry method reaction tower comprises: top is provided with the tower body that the sack cleaner that is connected with sack cleaner import is taken over, and the air inlet pipe of tower body lower end is stretched in upper end, is provided with taper type through hole and the segmentation ring be connected with gusset in tower body; The small end of taper type through hole is positioned at downside; Air inlet pipe is provided with from top to bottom successively: the upper taper hole that large end is relative with the small end of taper type through hole, the necking down hole that upper end is communicated with upper taper hole small end, the lower cone hole that small end is communicated with lower end, necking down hole, the isometrical hole that upper end is communicated with lower cone hole lower end; Flue gas inlet pipe is connected with air inlet pipe lower end and is communicated with isometrical hole; Segmentation is equipped with: lower circular passage, the spiral nozzle of upper circular passage and several imports and upper annular channel connection; The desulfurizing agent charging hole with upper annular channel connection is arranged with outside tower body; Be arranged with outside tower body and be communicated with bioxin adsorbent charging hole with lower circular passage; Taper type through-hole side is arranged with several spray-holes be communicated with lower circular passage.Semidry method reaction tower is simple and practical; The structure of air inlet pipe adopts Venturi tube principle, is beneficial to inhale attached bioxin adsorbent and desulfurizing agent and mix with flue gas and carry out bioxin absorption and desulfurization; Spiral nozzle makes desulfurizing agent nebulize to spray in tower body to improve desulfurized effect.
As preferably, described bioxin adsorbent charging device comprises: bioxin adsorbent is housed and is provided with the adsorbent storehouse of elevating hopper, the upper feed valve be connected with the outlet of elevating hopper, be positioned at the hopper on the downside of feed valve, lower feed valve, the weigher between hopper and lower feed valve, blower fan, tube connector, exports with tube connector one end, fan outlet and lower feed valve the communicating pipe be connected respectively; Weigher is provided with and exports with hopper respectively and the connecting hole of lower rotatory feeder valve inlet communication; The other end of tube connector is communicated with Yu bioxin adsorbent charging hole.
The hopper that bioxin adsorbent charging device has, weigher, upper feed valve and lower feed valve, Shi bioxin adsorbent quantitatively adds in tower body on demand, improves bioxin adsorption effect.
As preferably, described bioxin adsorbent charging device also comprises: bioxin compound Quick testing instrument and controller; Bioxin compound Quick testing instrument comprises: the signal record amplifier be connected with semidry method reaction tower upper end and the immunosensor be electrically connected with signal record amplifier; Immunosensor is provided with the electrode stretching into semidry method reaction tower upper end; Electrode surface is coated with pyrrole polymerization layer successively with bioxin antibody layer; Upper feed valve is the electronic rotation valve being provided with stepper motor; Lower feed valve is the electronic rotation valve being provided with stepper motor; Signal record amplifier, upper feed valve and lower feed valve are electrically connected with controller respectively.The structure of bioxin compound Quick testing instrument and principle can just be taken formula bioxin compound Quick testing instrument from the one of the disclosure of the invention of Chinese Patent Application No. CN00131164.6 and obtain understanding; In flue gas in gas cleaning process in bioxin compound Quick testing instrument double dry process reaction tower after purification, content of dioxin measures, controller is by controlling the opening degree Tiao Jie bioxin adsorbent addition of lower feed valve, and the absorption of Shi bioxin maintains a good state.
As preferably, described bioxin adsorbent is active carbon.Xi Fu bioxin is effective, and cost is low.
As preferably, the gusset of described hopper is provided with at least one compressed air inlet; Adsorbent storehouse is provided with feed bin vibrator and at least one compressed air inlet hole.Compressed air inlet is connected with compressed air, is beneficial to bioxin adsorbent and falls from hopper; The rapping of feed bin vibrator and the compressed air inlet hole be connected with compressed air, be beneficial to bioxin adsorbent and fall from adsorbent storehouse.
As preferably, the lower end of described sack cleaner is provided with tiltedly returns smoke pipe; The smoke return hole be communicated with isometrical hole is arranged with outside air inlet pipe; The high-end dust that is provided with tiltedly returning smoke pipe falls mouth; The low side tiltedly returning smoke pipe is communicated with smoke return hole.Flue gas through Xi Fu bioxin and desulfurization enters sack cleaner from semidry method reaction tower, gas after Bag filter is discharged from the outlet of sack cleaner, the bulk sulfide that the granular active carbon of larger Xi Fu bioxin and desulfurization are formed falls collection from the dust mouth that falls, enter semidry method reaction tower through oblique time smoke pipe from smoke return hole with air-flow with the granular active carbon of less Xi Fu bioxin and the bulk sulfide of desulfurization formation again to purify, raising Xi Fu bioxin and desulfurized effect further.
As preferably, described desulfurizing agent feeding device comprises: desulfurizing agent is housed and exit is provided with the desulfurizing agent tank of inlet valve, and two ends export the desulfurizing agent pipe be communicated with desulfurizing agent charging hole respectively with inlet valve.Desulfurizing agent feeding device is simple and practical.
As preferably, described desulfurizing agent is calcium hydroxide.Desulfurized effect is good, and cost is low.
Compared with prior art, the invention has the beneficial effects as follows: the sulphur in the flue gas that this waste incinerated smoke purification system purification waste incineration produces is with bioxin effect is better.Semidry method reaction tower is simple and practical; The structure of air inlet pipe adopts Venturi tube principle, is beneficial to inhale attached bioxin adsorbent and desulfurizing agent and mix with flue gas and carry out bioxin absorption and desulfurization; Spiral nozzle makes desulfurizing agent nebulize to spray in tower body to improve desulfurized effect.The hopper that bioxin adsorbent charging device has, weigher, upper feed valve and lower feed valve, Shi bioxin adsorbent quantitatively adds in tower body on demand, improves bioxin adsorption effect.In flue gas in purification process in bioxin compound Quick testing instrument double dry process reaction tower after purification, content of dioxin measures, controller is by controlling the opening degree Tiao Jie bioxin adsorbent addition of lower feed valve, and the absorption of Shi bioxin maintains a good state.In flue gas in gas cleaning process in bioxin compound Quick testing instrument double dry process reaction tower after purification, content of dioxin measures, controller is by controlling the opening degree Tiao Jie bioxin adsorbent addition of lower feed valve, and the absorption of Shi bioxin maintains a good state.Bioxin adsorbent is active carbon, and Xi Fu bioxin is effective, and cost is low.Compressed air inlet is connected with compressed air, is beneficial to bioxin adsorbent and falls from hopper; The rapping of feed bin vibrator and the compressed air inlet hole be connected with compressed air, be beneficial to bioxin adsorbent and fall from adsorbent storehouse.Flue gas through Xi Fu bioxin and desulfurization enters sack cleaner from semidry method reaction tower, gas after Bag filter is discharged from the outlet of sack cleaner, the bulk sulfide that the granular active carbon of larger Xi Fu bioxin and desulfurization are formed falls collection from the dust mouth that falls, enter semidry method reaction tower through oblique time smoke pipe from smoke return hole with air-flow with the granular active carbon of less Xi Fu bioxin and the bulk sulfide of desulfurization formation again to purify, raising Xi Fu bioxin and desulfurized effect further.Desulfurizing agent feeding device is simple and practical.Desulfurizing agent is calcium hydroxide, and desulfurized effect is good, and cost is low.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the structural representation of semidry method reaction tower, bioxin compound Quick testing instrument.
In figure: sack cleaner 1, tiltedly return smoke pipe 11, dust falls mouth 12, semidry method reaction tower 2, flue gas inlet pipe 21, sack cleaner adapter 22, tower body 23, air inlet pipe 24, taper type through hole 25, segmentation ring 26, upper taper hole 27, necking down hole 28, lower cone hole 29, isometrical hole 210, lower circular passage 211, upper circular passage 212, spiral nozzle 213, desulfurizing agent charging hole 214, bioxin adsorbent charging hole 215, spray-hole 216, smoke return hole 217, bioxin adsorbent charging device 3, elevating hopper 31, adsorbent storehouse 32, upper feed valve 33, hopper 34, lower feed valve 35, weigher 36, blower fan 37, tube connector 38, communicating pipe 39, bioxin compound Quick testing instrument 310, controller 311, signal record amplifier 312, immunosensor 313, electrode 314, pyrrole polymerization layer 315, bioxin antibody layer 316, compressed air inlet 317, feed bin vibrator 318, compressed air inlet hole 319, desulfurizing agent feeding device 4, inlet valve 41, desulfurizing agent tank 42, desulfurizing agent pipe 43.
Detailed description of the invention
Below in conjunction with shown in accompanying drawing, the present invention is described further.
As shown in accompanying drawing 1, accompanying drawing 2: a kind of waste incinerated smoke purification system, comprising: sack cleaner 1, export the semidry method reaction tower 2 ， bioxin adsorbent charging device 3 be connected with the import of sack cleaner 1, desulfurizing agent feeding device 4; The port of export of bioxin adsorbent charging device 3 is connected with semidry method reaction tower 2; The port of export of desulfurizing agent feeding device 4 is connected with semidry method reaction tower 2; Semidry method reaction tower 2 is provided with flue gas inlet pipe 21.
In the present embodiment, described semidry method reaction tower 2 comprises: gusset top is provided with the tower body 23 of the sack cleaner adapter 22 be connected with sack cleaner 1 import screw, the air inlet pipe 24 of tower body 23 lower end is stretched in upper end, is provided with taper type through hole 25 and the segmentation ring 26 be connected with gusset screw in tower body 23; The small end of taper type through hole 25 is positioned at downside; Air inlet pipe 24 is provided with from top to bottom successively: the upper taper hole 27 that large end is relative with the small end of taper type through hole 25, the necking down hole 28 that upper end is communicated with upper taper hole 27 small end, the lower cone hole 29 that small end is communicated with lower end, necking down hole 28, the isometrical hole 210 that upper end is communicated with lower cone hole 29 lower end; Flue gas inlet pipe 21 welds with air inlet pipe 24 lower end and is communicated with isometrical hole 210; Segmentation ring 26 is provided with: lower circular passage 211, the spiral nozzle 213 that upper circular passage 212 is communicated with upper circular passage 212 with four imports; The desulfurizing agent charging hole 214 be communicated with upper circular passage 212 is arranged with outside tower body 23; Be arranged with outside tower body 23 and be communicated with bioxin adsorbent charging hole 215 with lower circular passage 211; Taper type through hole 25 gusset is provided with four spray-holes 216 be communicated with lower circular passage 211.
Described bioxin adsorbent charging device 3 comprises: bioxin adsorbent is housed and is provided with the adsorbent storehouse 32 of elevating hopper 31, the upper feed valve 33 be connected with the outlet of elevating hopper 31, be positioned at the hopper 34 on the downside of feed valve 33, lower feed valve 35, weigher 36 between hopper 34 and lower feed valve 35, blower fan 37, tube connector 38, to export with tube connector 38 one end, blower fan 37 respectively and lower feed valve 35 exports the communicating pipe 39 ， bioxin compound Quick testing instrument 310 and controller 311 be connected; Weigher 36 is provided with and exports with hopper 34 respectively and the connecting hole of lower rotatory feeder valve inlet communication; The other end of tube connector 38 is communicated with Yu bioxin adsorbent charging hole 215.Blower fan 37 is roots blower.
Described bioxin compound Quick testing instrument 310 comprises: the signal record amplifier 312 be connected with semidry method reaction tower 2 upper end screw and the immunosensor 313 be electrically connected with signal record amplifier 312; Immunosensor 313 is provided with the electrode 314 stretching into semidry method reaction tower 2 upper end; Electrode 314 surface is coated with pyrrole polymerization layer 315 He bioxin antibody layer 316 successively; Upper feed valve 33 is for being provided with the electronic rotation valve of stepper motor; Lower feed valve 35 is for being provided with the electronic rotation valve of stepper motor; Signal record amplifier 312, upper feed valve 33 and lower feed valve 35 are electrically connected with controller 311 respectively.
Described bioxin adsorbent is active carbon.
The gusset of described hopper 34 is provided with two compressed air inlet 317; Adsorbent storehouse 32 is provided with feed bin vibrator 318 and a compressed air inlet hole 319.
The lower end of described sack cleaner 1 is provided with tiltedly returns smoke pipe 11; The smoke return hole 217 be communicated with isometrical hole 210 is arranged with outside air inlet pipe 24; The high-end dust that is provided with tiltedly returning smoke pipe 11 falls mouth 12; The low side tiltedly returning smoke pipe 11 is communicated with smoke return hole 217.
Described desulfurizing agent feeding device 4 comprises: desulfurizing agent is housed and exit is provided with the desulfurizing agent tank 42 of inlet valve 41, and two ends export with inlet valve 41 the desulfurizing agent pipe 43 be communicated with desulfurizing agent charging hole 214 respectively.Inlet valve 41 is for being provided with the electronic rotation valve of stepper motor.
Described desulfurizing agent is calcium hydroxide.
The purification method of this waste incinerated smoke purification system, the flue gas that waste incineration produces enters semidry method reaction tower 2 from flue gas inlet pipe 21; Active carbon is sent into semidry method reaction tower 2 and bioxin in flue gas mixing and absorption flue gas by bioxin adsorbent charging device 3; Calcium hydroxide is sent into semidry method reaction tower 2 and is mixed with flue gas and carry out desulfurization by desulfurizing agent feeding device 4; Flue gas through Xi Fu bioxin and desulfurization enters sack cleaner 1 from semidry method reaction tower 2, gas after Bag filter is discharged from the outlet of sack cleaner 1, the bulk sulfide that the granular active carbon of larger Xi Fu bioxin and desulfurization are formed falls collection from the dust mouth 12 that falls, and the bulk sulfide that granular active carbon and desulfurization with less Xi Fu bioxin are formed enters semidry method reaction tower 2 from smoke return hole 217 with air-flow again purify through tiltedly returning smoke pipe 11; In purification process; bioxin compound Quick testing instrument 310 measures the content of dioxin in the flue gas after purification in half dry process reaction tower 2, controller 311 is by controlling the opening degree Tiao Jie bioxin adsorbent addition of lower feed valve 35, and the absorption of Shi bioxin maintains a good state.
The invention has the beneficial effects as follows: the sulphur in the flue gas that this waste incinerated smoke purification system purification waste incineration produces is with bioxin effect is better.Semidry method reaction tower is simple and practical; The structure of air inlet pipe adopts Venturi tube principle, is beneficial to inhale attached bioxin adsorbent and desulfurizing agent and mix with flue gas and carry out bioxin absorption and desulfurization; Spiral nozzle makes desulfurizing agent nebulize to spray in tower body to improve desulfurized effect.The hopper that bioxin adsorbent charging device has, weigher, upper feed valve and lower feed valve, Shi bioxin adsorbent quantitatively adds in tower body on demand, improves bioxin adsorption effect.In flue gas in purification process in bioxin compound Quick testing instrument double dry process reaction tower after purification, content of dioxin measures, controller is by controlling the opening degree Tiao Jie bioxin adsorbent addition of lower feed valve, and the absorption of Shi bioxin maintains a good state.In flue gas in gas cleaning process in bioxin compound Quick testing instrument double dry process reaction tower after purification, content of dioxin measures, controller is by controlling the opening degree Tiao Jie bioxin adsorbent addition of lower feed valve, and the absorption of Shi bioxin maintains a good state.Bioxin adsorbent is active carbon, and Xi Fu bioxin is effective, and cost is low.Compressed air inlet is connected with compressed air, is beneficial to bioxin adsorbent and falls from hopper; The rapping of feed bin vibrator and the compressed air inlet hole be connected with compressed air, be beneficial to bioxin adsorbent and fall from adsorbent storehouse.Flue gas through Xi Fu bioxin and desulfurization enters sack cleaner from semidry method reaction tower, gas after Bag filter is discharged from the outlet of sack cleaner, the bulk sulfide that the granular active carbon of larger Xi Fu bioxin and desulfurization are formed falls collection from the dust mouth that falls, enter semidry method reaction tower through oblique time smoke pipe from smoke return hole with air-flow with the granular active carbon of less Xi Fu bioxin and the bulk sulfide of desulfurization formation again to purify, raising Xi Fu bioxin and desulfurized effect further.Desulfurizing agent feeding device is simple and practical.Desulfurizing agent is calcium hydroxide, and desulfurized effect is good, and cost is low.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not thought and departed from the scope of the present invention.All like this to the apparent amendment of the technical staff in described field, by be included in this claim scope within.
Claims (9)
1. a waste incinerated smoke purification system, comprising: sack cleaner; It is characterized in that, described waste incinerated smoke purification system also comprises: export the semidry method reaction tower ， bioxin adsorbent charging device be connected with the import of sack cleaner, desulfurizing agent feeding device; The port of export of bioxin adsorbent charging device is connected with semidry method reaction tower; The port of export of desulfurizing agent feeding device is connected with semidry method reaction tower; Semidry method reaction tower is provided with flue gas inlet pipe.
2. waste incinerated smoke purification system according to claim 1, it is characterized in that: described semidry method reaction tower comprises: top is provided with the tower body that the sack cleaner that is connected with sack cleaner import is taken over, the air inlet pipe of tower body lower end is stretched in upper end, is provided with taper type through hole and the segmentation ring be connected with gusset in tower body; The small end of taper type through hole is positioned at downside; Air inlet pipe is provided with from top to bottom successively: the upper taper hole that large end is relative with the small end of taper type through hole, the necking down hole that upper end is communicated with upper taper hole small end, the lower cone hole that small end is communicated with lower end, necking down hole, the isometrical hole that upper end is communicated with lower cone hole lower end; Flue gas inlet pipe is connected with air inlet pipe lower end and is communicated with isometrical hole; Segmentation is equipped with: lower circular passage, the spiral nozzle of upper circular passage and several imports and upper annular channel connection; The desulfurizing agent charging hole with upper annular channel connection is arranged with outside tower body; Be arranged with outside tower body and be communicated with bioxin adsorbent charging hole with lower circular passage; Taper type through-hole side is arranged with several spray-holes be communicated with lower circular passage.
3. waste incinerated smoke purification system according to claim 2, it is characterized in that: described bioxin adsorbent charging device comprises: bioxin adsorbent is housed and is provided with the adsorbent storehouse of elevating hopper, the upper feed valve be connected with the outlet of elevating hopper, be positioned at the hopper on the downside of feed valve, lower feed valve, the weigher between hopper and lower feed valve, blower fan, tube connector, exports with tube connector one end, fan outlet and lower feed valve the communicating pipe be connected respectively; Weigher is provided with and exports with hopper respectively and the connecting hole of lower rotatory feeder valve inlet communication; The other end of tube connector is communicated with Yu bioxin adsorbent charging hole.
4. waste incinerated smoke purification system according to claim 3, is characterized in that: described bioxin adsorbent charging device also comprises: bioxin compound Quick testing instrument and controller; Bioxin compound Quick testing instrument comprises: the signal record amplifier be connected with semidry method reaction tower upper end and the immunosensor be electrically connected with signal record amplifier; Immunosensor is provided with the electrode stretching into semidry method reaction tower upper end; Electrode surface is coated with pyrrole polymerization layer successively with bioxin antibody layer; Upper feed valve is the electronic rotation valve being provided with stepper motor; Lower feed valve is the electronic rotation valve being provided with stepper motor; Signal record amplifier, upper feed valve and lower feed valve are electrically connected with controller respectively.
5. waste incinerated smoke purification system according to claim 3, is characterized in that: described bioxin adsorbent is active carbon.
6. the waste incinerated smoke purification system according to claim 3 or 4 or 5, is characterized in that: the gusset of described hopper is provided with at least one compressed air inlet; Adsorbent storehouse is provided with feed bin vibrator and at least one compressed air inlet hole.
7. the waste incinerated smoke purification system according to Claims 2 or 3 or 4 or 5, is characterized in that: the lower end of described sack cleaner is provided with tiltedly returns smoke pipe; The smoke return hole be communicated with isometrical hole is arranged with outside air inlet pipe; The high-end dust that is provided with tiltedly returning smoke pipe falls mouth; The low side tiltedly returning smoke pipe is communicated with smoke return hole.
8. the waste incinerated smoke purification system according to Claims 2 or 3 or 4 or 5, it is characterized in that: described desulfurizing agent feeding device comprises: desulfurizing agent is housed and exit is provided with the desulfurizing agent tank of inlet valve, two ends export the desulfurizing agent pipe be communicated with desulfurizing agent charging hole respectively with inlet valve.
9. the waste incinerated smoke purification system according to Claims 2 or 3 or 4 or 5, is characterized in that: described desulfurizing agent is calcium hydroxide.
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| CN201510708673.7A CN105363337A (en) | 2015-10-27 | 2015-10-27 | Waste incineration flue gas purifying system |
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| CN201510708673.7A CN105363337A (en) | 2015-10-27 | 2015-10-27 | Waste incineration flue gas purifying system |
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Cited By (2)
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| CN111678333A (en) * | 2020-04-27 | 2020-09-18 | 江苏搏斯威化工设备工程有限公司 | Feeder of vacuum drier |
| CN111760447A (en) * | 2020-07-02 | 2020-10-13 | 上海电气电站环保工程有限公司 | Desulfurization reaction tower and dry desulfurization process |
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| CN111678333A (en) * | 2020-04-27 | 2020-09-18 | 江苏搏斯威化工设备工程有限公司 | Feeder of vacuum drier |
| CN111760447A (en) * | 2020-07-02 | 2020-10-13 | 上海电气电站环保工程有限公司 | Desulfurization reaction tower and dry desulfurization process |
| CN111760447B (en) * | 2020-07-02 | 2024-01-26 | 上海电气电站环保工程有限公司 | Desulfurization reaction tower and dry desulfurization process |
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