CN108355459B - Treatment device for tail gas of gas smoke dust particles - Google Patents
Treatment device for tail gas of gas smoke dust particles Download PDFInfo
- Publication number
- CN108355459B CN108355459B CN201711298582.6A CN201711298582A CN108355459B CN 108355459 B CN108355459 B CN 108355459B CN 201711298582 A CN201711298582 A CN 201711298582A CN 108355459 B CN108355459 B CN 108355459B
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- atomization
- spray
- atomizing
- box
- tail gas
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- 239000002245 particle Substances 0.000 title claims abstract description 12
- 239000000779 smoke Substances 0.000 title claims abstract description 12
- 239000000428 dust Substances 0.000 title claims description 5
- 239000007921 spray Substances 0.000 claims abstract description 84
- 238000000889 atomisation Methods 0.000 claims abstract description 80
- 238000005406 washing Methods 0.000 claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 52
- 238000001179 sorption measurement Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 24
- 239000004745 nonwoven fabric Substances 0.000 claims description 13
- 239000003595 mist Substances 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 239000004071 soot Substances 0.000 claims description 6
- 239000008213 purified water Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 24
- 239000002912 waste gas Substances 0.000 description 8
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/55—Compounds of silicon, phosphorus, germanium or arsenic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
Abstract
The invention discloses a treatment device for tail gas of gas smoke particles, which relates to the technical field of environmental protection equipment, and comprises an odor treatment device, an ultrasonic atomization device and a spray washing device which are sequentially arranged along the flowing direction of the tail gas, and is characterized in that: the ultrasonic atomization device comprises an atomization box, an ultrasonic atomizer positioned outside the atomization box, a spray main pipe with one end connected with the ultrasonic atomizer and the other end penetrating through the atomization box and positioned in the atomization box, and an atomization branch port arranged on the spray main pipe. The beneficial technical effects of the invention are as follows: 1. the device can effectively adsorb and absorb and eliminate gas and smoke tail gas, and the P 2O5 -containing tail gas treated by the device is subjected to field test, wherein P 2O5 particles are reduced from 200mg/m 3 to below 10mg/m 3; 2. the device has simple structure, low operation cost and good treatment effect.
Description
Technical Field
The invention relates to the technical field of environmental protection equipment, in particular to a device for treating tail gas of gas smoke particles by utilizing ultrasonic atomization and spray washing.
Background
The waste gas treatment system mainly aims at the treatment of the smoke dust and the gas which is harmful to the environment and is produced in the industrial production. Most of the current wet treatment systems mostly adopt a high-pressure atomizing nozzle to wash the waste gas, but the liquid drops generated by the high-pressure atomizing nozzle have larger particle sizes and the treatment effect is often not ideal. There is a need for a more efficient processing apparatus.
Disclosure of Invention
The invention aims to solve the problem of providing a treatment device for gas smoke particle tail gas, which utilizes purified water to carry out ultrasonic atomization and then is matched with an odor treatment device, a secondary atomization device and a spray washing device, so that water-based gas and smoke tail gas can be effectively adsorbed and absorbed.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a gaseous smoke and dust granule tail gas's processing apparatus, includes peculiar smell processing apparatus, ultrasonic atomization device and the washing device that sprays that sets gradually along tail gas flow direction, its characterized in that: the ultrasonic atomization device comprises an atomization box, an ultrasonic atomizer positioned outside the atomization box, a spray main pipe with one end connected with the ultrasonic atomizer and the other end penetrating through the atomization box and positioned in the atomization box, and an atomization branch port arranged on the spray main pipe.
Further, the peculiar smell treatment device comprises an active carbon box body with an air inlet and at least two active carbon adsorption layers arranged in the active carbon box body.
Further, the air inlet is positioned at the top of the activated carbon box body, and the spraying main pipe and the activated carbon adsorption layer are respectively horizontally arranged in the atomization box and the activated carbon box body.
Further, at least two groups of atomizing main pipes and matched atomizing branch ports are arranged along the vertical direction of the atomizing box.
Further, a spray washing device is arranged on one side of the ultrasonic atomization device, and comprises a spray washing box with an exhaust port, a non-woven fabric adsorption layer vertically arranged in the spray washing box, a spray water pipe, a spray header arranged on the spray water pipe and a spray water pump matched with the spray water pipe.
Further, the non-woven fabric adsorption layer is provided with at least two layers of spraying washing boxes, and the spraying heads face the non-woven fabric adsorption layer.
Further, a first liquid level meter and a drain pipe are arranged in the spray washing box.
Further, a secondary atomization device is arranged between the ultrasonic atomization device and the spray washing device, and comprises a secondary atomization box body communicated with the bottom of the atomization box, a high-pressure water pipe arranged in the secondary atomization box body and an atomization nozzle arranged on the high-pressure water pipe.
Further, a second liquid level meter is arranged in the secondary atomization box body, and a circulating water pump is arranged between the spray washing device and the secondary atomization device.
Further, a liquid outlet is arranged on the secondary atomization box body.
The beneficial technical effects of the invention are as follows: 1. the device can effectively adsorb and absorb and eliminate the particulate matters in the gas and smoke tail gas, and the P 2O5 -containing tail gas treated by the device is subjected to field test, wherein the P 2O5 particulate matters are reduced to below 10mg/m 3 from 200mg/m 3; 2. the device has simple structure, low operation cost and good treatment effect.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a device for treating gaseous soot particulate tail gas according to the present invention.
In the drawings: the device comprises an air inlet 1, an active carbon box body 2, an active carbon adsorption layer 3, an atomization box 4, an ultrasonic atomizer 5, a spray main pipe 6, an atomization branch port 7, a secondary atomization box body 8, a high-pressure water pipe 9, an atomization nozzle 10, a liquid discharge port 11, a spray washing box 12, a non-woven fabric adsorption layer 13, a spray water pipe 14, a spray head 15, a drain pipe 16, an exhaust port 17, a spray water pump 18, a circulating water pump 19, a second liquid level meter 20 and a first liquid level meter 21.
Detailed Description
Referring to the attached drawings, the invention provides a treatment device for tail gas of gas smoke particles, which comprises an odor treatment device, an ultrasonic atomization device and a spray washing device which are sequentially arranged along the flow direction of the tail gas.
The peculiar smell treatment device comprises an activated carbon box body 2 with an air inlet 1 and at least two activated carbon adsorption layers 3 arranged in the activated carbon box body 2. The air inlet 1 is positioned at the top of the activated carbon box body 2, and the activated carbon adsorption layer 3 is horizontally arranged in the activated carbon box body 2.
The size of the activated carbon box body 2 can be determined according to the size of the air inlet and the air quantity of the tail gas, and the larger the air quantity to be treated is, the larger the volume of the activated carbon layer box body 2 is; at least two detachable activated carbon adsorption layers 3 are arranged in the activated carbon box body 2; the side door of the activated carbon box body 2 can be opened, and the activated carbon adsorption layer 3 can be pulled out from the side after the side door is opened, so that the activated carbon adsorption layer 3 can be replaced conveniently.
The ultrasonic atomization device comprises an atomization box 4 communicated with the bottom of the activated carbon box body 2, an ultrasonic atomizer 5 positioned outside the atomization box 4, a main atomization pipe 6 with one end connected with the ultrasonic atomizer 5 and the other end penetrating through the atomization box 4 and positioned in the atomization box 4, and an atomization branch opening 7 arranged on the main atomization pipe 6.
The atomizing box 4 is a box body mainly formed by welding PP plates. The output port of the ultrasonic atomizer 5 is inserted into the atomizing box 4 through the atomizing main pipe 6, and the atomizing main pipe 6 and the side wall of the box body are sealed by glue to prevent mist from leaking; the ultrasonic atomizer 5 is connected with purified water as a water source, and the diameter of atomized particles is smaller than 0.1mm.
The main spray pipe 6 is horizontally arranged in the atomizing box 4. Simultaneously, the spraying is responsible for 6 and supporting atomizing branch mouth 7 is provided with two sets at least along the vertical direction of atomizing case 4.
The atomizing branch ports 7 positioned in the atomizing box 4 are uniformly provided with a plurality of groups along the axial direction of the atomizing main pipe 6. The axial distance between each group of atomizing branch openings 7 is 100mm. Each group of atomizing branch openings comprises 4 atomizing branch openings 7 which are uniformly distributed at 90 degrees along the circumferential direction of the atomizing main pipe 6.
The diameter of the spray nozzle 7 increases with the distance from the ultrasonic atomizer 5, the diameter of the distal spray nozzle 7 is 50mm, and the diameter of the proximal spray nozzle 7 is 30mm. The advantage of this distribution is that the mist generated by the ultrasonic atomizer 5 can be distributed relatively uniformly, for which purpose the distal atomizing branch 7 is designed to be larger and the proximal atomizing branch 7 to be smaller.
In this embodiment, two high-power ultrasonic atomizers 5 may be employed in order to provide atomized water droplets having sufficiently small particle diameters.
The spray washing device comprises a spray washing box 12 with an exhaust port 17, a non-woven fabric adsorption layer 13 vertically arranged in the spray washing box 12, a spray water pipe 14, a spray header 15 arranged on the spray water pipe 14 and a spray water pump 18 matched with the spray water pipe 14. The nonwoven fabric adsorption layer 13 is provided with at least two layers in the shower box 12. The shower head 15 is uniformly provided with a plurality of shower pipes 14 in the axial direction and faces the non-woven fabric adsorption layer 13 to uniformly spray water onto the adsorption layer. A first level gauge 21 and a drain pipe 16 are provided in the spray tank 12.
The spray washing tank 12 is a tank body mainly welded by PP plates. When in use, water is injected into the spray washing box 12, and the water level is more than 20cm below the height of the side air outlet 17. The box body is internally connected with a tap water injection pipe, a liquid level detector and an electromagnetic valve, and the liquid level detector and the electromagnetic valve jointly control the water injection pipe so as to control the water level in the box body; the air outlet of the spray box is connected with a variable-frequency air exhaust fan, and is used for controlling the air exhaust quantity according to the use condition.
The ultrasonic atomization device and the spray washing device are provided with a secondary atomization device, and the secondary atomization device comprises a secondary atomization box body 8, a high-pressure water pipe 9 arranged in the secondary atomization box body 8 and an atomization nozzle 10 arranged on the high-pressure water pipe 9.
The secondary atomization box body 8 is communicated with the bottom of the atomization box 4, and the spray washing box 12 is communicated with the top of the secondary atomization box 8.
The high-pressure water pipe 9 and the spray water pipe 14 share a spray water pump 18. A second liquid level meter 20 is arranged in the secondary atomization box body 8, and a circulating water pump 19 is arranged between the spray washing device and the secondary atomization device so as to discharge water in the secondary atomization box body 8 into the spray washing box 12 again. The secondary atomizing box 8 is provided with a liquid outlet 11.
The pipeline material of the high-pressure water pipe 9 is required to have the characteristic of acid-base corrosion prevention according to the tail gas property required to be treated. Multiple groups of atomizing nozzle groups are arranged along the length direction of the high-pressure water pipe 9, and two adjacent atomizing nozzle groups are spaced by 10cm. Each group of atomizing spray heads comprises three atomizing spray heads 10, and the three atomizing spray heads 10 are uniformly arranged along the circumferential direction of the pipeline, namely, adjacent spray heads are spaced at 120 degrees. The atomizing nozzle 10 is directly communicated with the spray water pump 18, and the pressure provided by the spray water pump 18 is not less than 0.4MPa so as to atomize water into liquid drops with the diameter of 0.1-0.3 mm.
The device of the invention is embodied as follows: the waste gas enters the activated carbon box body 2 from the air inlet 1, and the two activated carbon adsorption layers 3 are used for eliminating peculiar smell in part of the gas; then the waste gas enters an atomization box 4, mist in the box is provided by an ultrasonic atomizer 5, the mist is conveyed into the atomization box 4 by a main spray pipe 6 and a spray branch opening 7, the mist is combined with the waste gas, and gas and particles are easily combined with water mist to form small liquid drops; the diameter of mist supplied by the ultrasonic atomizer 5 is very small, about 0.1 micron, and can be fully combined with waste gas in a very short time; the water mist and the waste gas are mixed and then enter a secondary atomization box body 8, and a high-pressure atomization nozzle 10 can spray water mist with the diameter of about 0.1-0.5mm for intercepting part of the water mist combined with the waste gas at the previous stage; then the water mist is mixed in the gas and enters a spray washing box 12, the spray washing box 12 comprises two layers of non-woven fabric adsorption layers 13, a spray pipe 14 and a spray header 15, the non-woven fabric adsorption layers 13 mainly comprise a plurality of layers of non-woven fabrics, and the spray header directly sprays water or liquid medicine on the adsorption layers to be used as the final tail gas interception.
The shower water pump 18 provides a higher water pressure for the high-pressure water pipe 9 and the shower water pipe 14 in the above embodiment. The first liquid level meter 21 and the second liquid level meter 20 respectively measure the liquid level in the spray washing box 12 and the secondary atomization box 8; the circulating water pump 19 is matched with the second liquid level meter 20 to be used as circulation, so that liquid in the secondary atomization box 8 is pumped into the spray washing box 12, and the liquid level in the secondary atomization box 8 is ensured not to be higher than the box baffle, so that the liquid cannot flow into the atomization box 4.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (6)
1. The utility model provides a gaseous smoke and dust granule tail gas processing apparatus for handle and contain P 2O5 tail gas, include peculiar smell processing apparatus, ultrasonic atomization device and the washing unit that sprays that sets gradually along tail gas flow direction, its characterized in that: the ultrasonic atomization device comprises an atomization box (4), an ultrasonic atomizer (5) positioned outside the atomization box (4), a spraying main pipe (6) with one end connected with the ultrasonic atomizer (5) and the other end penetrating through the atomization box (4) and positioned in the atomization box (4), and an atomization branch opening (7) arranged on the spraying main pipe (6);
The atomizing branch ports (7) are uniformly arranged in the axial direction of a horizontally arranged atomizing main pipe (6), each atomizing branch port comprises 4 atomizing branch ports (7), the atomizing branch ports are uniformly distributed at 90 degrees along the circumferential direction of the atomizing main pipe (6), the caliber of each atomizing branch port (7) increases along with the increase of the distance from the ultrasonic atomizer (5), the diameter of each atomizing branch port (7) at the far end is 50mm, and the diameter of each atomizing branch port (7) at the near end is 30mm;
the ultrasonic atomizer (5) is connected with purified water as a water source, and the diameter of atomized particles is smaller than 0.1mm;
A secondary atomization device is arranged between the ultrasonic atomization device and the spray washing device, the secondary atomization device comprises a secondary atomization box body (8) communicated with the bottom of the atomization box (4), a high-pressure water pipe (9) arranged in the secondary atomization box body (8) and an atomization spray head (10) arranged on the high-pressure water pipe (9), and the diameter of water mist sprayed by the atomization spray head (10) is 0.1-0.5mm;
A plurality of groups of atomizing nozzle groups are arranged along the length direction of the high-pressure water pipe (9), each group of atomizing nozzle groups comprises three atomizing nozzles (10), and the three atomizing nozzles (10) are uniformly arranged along the circumferential direction of the pipeline;
the spray washing device comprises a spray washing box (12) with an exhaust port (17), a non-woven fabric adsorption layer (13) vertically arranged in the spray washing box (12), a spray pipe (14), a spray header (15) arranged on the spray pipe (14) and a spray water pump (18) matched with the spray pipe (14), the spray washing box (12) is communicated with the top of the secondary atomization box body (8), and the high-pressure water pipe (9) and the spray pipe (14) share the spray water pump (18);
The non-woven fabric adsorption layer (13) is provided with at least two layers in the spray washing box (12), and the spray header (15) faces the non-woven fabric adsorption layer (13);
A second liquid level meter (20) is arranged in the secondary atomization box body (8), and a circulating water pump (19) is arranged between the spray washing device and the secondary atomization device.
2. The treatment device for gaseous soot particulate tail gas according to claim 1, wherein: the peculiar smell treatment device comprises an active carbon box body (2) with an air inlet (1), and at least two active carbon adsorption layers (3) arranged in the active carbon box body (2).
3. The treatment device for gaseous soot particulate tail gas according to claim 2, wherein: the air inlet (1) is positioned at the top of the activated carbon box body (2), and the spraying main pipe (6) and the activated carbon adsorption layer (3) are respectively horizontally arranged in the atomizing box (4) and the activated carbon box body (2).
4. A treatment device for gaseous soot particulate exhaust gas according to claim 3, wherein: the spraying main pipe (6) and the matched atomizing branch opening (7) are at least provided with two groups along the vertical direction of the atomizing box (4).
5. The treatment device for gaseous soot particulate tail gas according to claim 1, wherein: a first liquid level meter (21) and a drain pipe (16) are arranged in the spray washing box (12).
6. The treatment device for gaseous soot particulate tail gas according to claim 1, wherein: a liquid outlet (11) is arranged on the secondary atomization box body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711298582.6A CN108355459B (en) | 2017-12-08 | 2017-12-08 | Treatment device for tail gas of gas smoke dust particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711298582.6A CN108355459B (en) | 2017-12-08 | 2017-12-08 | Treatment device for tail gas of gas smoke dust particles |
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| Publication Number | Publication Date |
|---|---|
| CN108355459A CN108355459A (en) | 2018-08-03 |
| CN108355459B true CN108355459B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711298582.6A Active CN108355459B (en) | 2017-12-08 | 2017-12-08 | Treatment device for tail gas of gas smoke dust particles |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112675642A (en) * | 2020-12-31 | 2021-04-20 | 江苏天蓝智能装置有限公司 | Ultrasonic tail gas treatment system |
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| CN106152143A (en) * | 2016-08-17 | 2016-11-23 | 湖南润漠环保科技发展有限公司 | One way of life rubbish magnetization pyrolysis treating stations |
| CN206276224U (en) * | 2016-12-14 | 2017-06-27 | 湖北宜施壮农业科技有限公司 | A kind of desulphurization system for composite heat transfer |
| CN206285660U (en) * | 2016-12-27 | 2017-06-30 | 奕工晨（天津）节能环保科技发展有限公司 | The tower desulfurization wastewater spray evaporation device of drying and flue gas processing device |
| CN207667380U (en) * | 2017-12-08 | 2018-07-31 | 中国电子科技集团公司第十三研究所 | The processing unit of gas soot dust granule tail gas |
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