CN107638778B - Spraying deodorization device - Google Patents
Spraying deodorization device Download PDFInfo
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- CN107638778B CN107638778B CN201710898008.8A CN201710898008A CN107638778B CN 107638778 B CN107638778 B CN 107638778B CN 201710898008 A CN201710898008 A CN 201710898008A CN 107638778 B CN107638778 B CN 107638778B
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- sodium hypochlorite
- alkali liquor
- spraying
- liquid
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- 238000005507 spraying Methods 0.000 title claims abstract description 61
- 238000004332 deodorization Methods 0.000 title abstract description 13
- 239000005708 Sodium hypochlorite Substances 0.000 claims abstract description 110
- 239000003513 alkali Substances 0.000 claims abstract description 107
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000007921 spray Substances 0.000 claims abstract description 43
- 238000010521 absorption reaction Methods 0.000 claims abstract description 42
- 238000005192 partition Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 43
- 239000000945 filler Substances 0.000 claims description 9
- 239000013589 supplement Substances 0.000 claims description 8
- 230000001877 deodorizing effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010802 sludge Substances 0.000 abstract description 4
- 235000019645 odor Nutrition 0.000 description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 238000012856 packing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a spraying deodorization device.A lye circulating area, a lye absorbing area, a lye spraying area, a sodium hypochlorite circulating area, a sodium hypochlorite absorbing area, a sodium hypochlorite spraying area and a demister area are sequentially arranged in a tank body from the bottom to the top; the alkali liquor storage tank is connected with the alkali liquor circulating area through an alkali liquor replenishing pump and an alkali liquor replenishing pipeline, and the alkali liquor circulating area is connected with an alkali liquor spraying head arranged in the alkali liquor spraying area through an alkali liquor circulating pump; a partition plate is arranged between the alkali liquor spraying area and the sodium hypochlorite absorption area; the sodium hypochlorite storage tank through sodium hypochlorite supply pipeline and sodium hypochlorite supply pump with sodium hypochlorite circulation district connects, and sodium hypochlorite circulation district passes through the sodium hypochlorite spray pump and is connected with the sodium hypochlorite shower head. The invention solves the problem of odor treatment in the sewage treatment and sludge treatment processes, can remove all odor pollutants by using one tower, can save floor area and equipment investment, and has the characteristics of high deodorization efficiency, good deodorization effect and the like.
Description
Technical Field
The invention relates to the field of environment-friendly equipment, in particular to a spraying deodorization device.
Background
In order to protect the environment and reduce the discharge of urban pollutants, most public places are provided with sewage treatment facilities which are generally small and are in a closed state. Foul waste gas is generated and emitted in the sewage treatment process and the sludge treatment process, and the main component of the waste gas is hydrogen sulfide (H)2S), ammonia (NH)3) And volatile substances such as mercaptan and the like, and the sense of the volatile substances is comprehensive stink and peculiar smell. These odors will affect the physical and mental health of the surrounding residents if not treated.
Disclosure of Invention
In view of the above, the invention provides a spraying deodorization device, which is used for solving the deodorization problem in the sewage treatment and sludge treatment processes and has high efficiency and good deodorization effect.
The invention adopts the following technical scheme:
a spraying deodorization device comprises a tank body, an alkali liquor storage tank and a sodium hypochlorite storage tank, wherein an alkali liquor circulating area, an alkali liquor absorbing area, an alkali liquor spraying area, a sodium hypochlorite circulating area, a sodium hypochlorite absorbing area, a sodium hypochlorite spraying area and a demister area are sequentially arranged in the tank body from the bottom to the top; the alkali liquor storage tank is connected with the alkali liquor circulating area through an alkali liquor replenishing pump and an alkali liquor replenishing pipeline, and the alkali liquor circulating area is connected with an alkali liquor spraying head arranged in the alkali liquor spraying area through an alkali liquor circulating pump and an alkali liquor circulating pipeline; a partition board is arranged between the alkali liquor spraying area and the sodium hypochlorite absorption area, the partition board is arranged in the tank body in a sealing manner, a plurality of capillary tubes for entering and exiting odor are arranged on the partition board, the open ends of the bottoms of the capillary tubes are communicated with the alkali liquor spraying area, and the other ends of the capillary tubes extend into the sodium hypochlorite absorption area; the sodium hypochlorite storage tank is connected with the sodium hypochlorite circulation zone through a sodium hypochlorite supplement pipeline and a sodium hypochlorite supplement pump, and the sodium hypochlorite circulation zone is connected with a sodium hypochlorite spray header through a sodium hypochlorite circulation pump and a sodium hypochlorite circulation pipeline; the side surface of the bottom of the tank body is provided with an odor inlet, and the tank body above the demister area is provided with an odor discharge pipeline.
Preferably, the capillary tube is vertically disposed on the partition plate.
Preferably, the length of the capillary tube is equal to the amount of the circulating area spray liquid/A, and the unit of the amount of the circulating area spray liquid is m3A is the sectional area of the spray tower;
wherein v is the gas flow rate, Q is the air input, and n is the number of capillaries.
Preferably, the sodium hypochlorite absorption zone is provided with sodium hypochlorite absorption zone packing.
Preferably, the lye absorption zone is provided with lye absorption zone packing.
Preferably, the alkali liquor spray header and the sodium hypochlorite spray header are spiral spray headers or shower heads.
Preferably, the alkali liquor spraying heads and the sodium hypochlorite spraying heads are multiple and are respectively and uniformly distributed in the alkali liquor spraying area and the sodium hypochlorite spraying area.
Preferably, the liquid-gas ratio of the spray liquid and the odor in the alkali liquor spraying area is 0.5-2.0L/m3The flow velocity of the odor air tower is 0.5-2.0m/s, and the spraying density is 6-10m3/(m2·h)。
Preferably, the liquid-gas ratio of the spraying liquid of the sodium hypochlorite spraying area to the odor is 0.5-2.0L/m3The flow velocity of the odor air tower is 2.0-3.0m/s, and the spraying density is 6-10m3/(m2·h)。
The invention has the following beneficial effects:
the tank body is internally provided with an alkali liquor absorption area and a sodium hypochlorite absorption area, odor is absorbed twice in the alkali liquor absorption area and the sodium hypochlorite absorption area, meanwhile, a partition plate is adopted for isolating the alkali liquor spraying area and the sodium hypochlorite absorption area, the odor flows upwards from a plurality of capillary tubes arranged on the partition plate and is fully contacted with absorption liquid to react and be removed, the joints of the capillary tubes and the partition plate are sealed, small liquid drops falling into the mouths of the capillary tubes are refracted by airflow and then fall onto the partition plate due to certain flow velocity of gas, so that the physical isolation of liquid between the two areas is realized, the odor and the liquid are fully mixed and reacted by the arrangement of the plurality of capillary tubes, the deodorization effect and efficiency are improved, and the odor after treatment can fully meet the requirements of 'odor pollutant emission standard' (GB 19554-93).
The invention adopts one spray tower to solve the problem of spraying different liquids, and the tank body of the spray tower is provided with two absorption areas, namely an alkali liquor absorption area and a sodium hypochlorite absorption area, so that all odor pollutants can be removed by only one spray tower, and the floor area and the equipment investment are saved.
Drawings
FIG. 1 is a schematic view of a spray deodorizing device according to the present invention;
in the figure: 1-an alkali liquor circulation zone; 2-an alkali liquor absorption zone; 3-filling in an alkali liquor absorption zone; 4-an alkali liquor spray header; 5-sodium hypochlorite circulation zone; 6-odor pipeline; 7-on-line PH meter/thermometer; an 8-sodium hypochlorite absorption zone; 9-sodium hypochlorite absorption zone packing; 10-sodium hypochlorite spray header; 11-a demister; 12-odor exhaust duct; 13-circulation pump of alkali liquor; 14-lye supplementary pumps; 15-an alkali liquor storage tank; 16-an alkali liquor replenishing pipeline; 17-an alkali liquor circulation pipeline; a 18-sodium hypochlorite storage tank; 19-sodium hypochlorite replenishing pipeline; a 20-sodium hypochlorite replenishing pump; 21-odor inlet; 22-sodium hypochlorite circulating pump; 23-sodium hypochlorite recycle line; and 24-tank body.
Detailed Description
As shown in fig. 1, the present invention provides a spraying deodorization device, which comprises a tank 24, an alkali liquor storage tank 15 and a sodium hypochlorite storage tank 18, wherein the tank 24 is internally provided with an alkali liquor circulation zone 1, an alkali liquor absorption zone 2, an alkali liquor spraying zone, a sodium hypochlorite circulation zone 5, a sodium hypochlorite absorption zone 8, a sodium hypochlorite spraying zone and a demister zone from bottom to top in sequence. The alkali liquor storage tank 15 is connected with the alkali liquor circulating area 1 through an alkali liquor replenishing pump 14 and an alkali liquor replenishing pipeline 16, the alkali liquor circulating area 1 is connected with an alkali liquor spraying head 4 arranged in the alkali liquor spraying area through an alkali liquor circulating pump 13 and an alkali liquor circulating pipeline 17, the alkali liquor spraying head 4 is a spiral spraying head or a shower head, and the alkali liquor spraying heads 4 are multiple and are uniformly distributed in the alkali liquor spraying area.
Set up the baffle between alkali lye sprays district and sodium hypochlorite circulation district 5, the baffle is circular, and sealed the setting all around is in jar body 24, sets up a plurality of capillaries that are used for passing in and out the foul smell on the baffle, and the baffle can set up a plurality of apertures with capillary integrated into one piece, also can set up a plurality of apertures on the baffle, and the capillary is vertical to be worn to establish in the aperture to do sealed processing. The open end of the bottom of the capillary tube is communicated with the alkali liquor spraying area, and the other end of the capillary tube extends into the sodium hypochlorite absorption area. The length and the pipe diameter of the capillary are related to the amount (m3) of spray liquid in the circulation area and the sectional area (A) of the spray tower, and the length is m 3/A. The pipe diameter is related to gas flow velocity (v), gas amount (Q) and capillary number (n), and the calculation formula is as follows:
a sodium hypochlorite storage tank 18 is connected with the sodium hypochlorite circulation zone 5 through a sodium hypochlorite supplement pipeline 19 and a sodium hypochlorite supplement pump 20. Sodium hypochlorite circulation district 5 connects sodium hypochlorite shower head 10 through sodium hypochlorite circulating pump 22 and sodium hypochlorite circulating pipe 23, and sodium hypochlorite shower head 10 is spiral shower head or gondola water faucet, and sodium hypochlorite shower head 10 is a plurality of, evenly arranges in sodium hypochlorite shower district. An odor inlet 21 is arranged on a tank body 24 at one side of the alkali liquor absorption zone 2, an odor discharge pipeline 12 is arranged on the tank body 24 above the demister zone, and a demister 11 is arranged in the demister zone. Sodium hypochlorite absorbing region filler 9 is arranged in the sodium hypochlorite absorbing region 8, and the sodium hypochlorite absorbing region filler 9 is a round ball or other fillers. The alkali liquor absorption area 2 is provided with an alkali liquor absorption area filler 3, and the alkali liquor absorption area filler 3 is a round ball or other fillers.
The device is used for treating malodorous gas generated in the sewage treatment process and the sludge treatment process. The spraying liquid adopts sodium hydroxide aqueous solution and sodium hypochlorite aqueous solution. The cylindrical structure of the tank 24 can be glass fiber reinforced plastic/carbon steel anti-corrosive material. The odor inlet port 21 is provided on the side of the can 24, and the odor discharge duct 12 is provided on the top of the can 24. The stink enters into jar body 24 from stink air inlet 21 in, and the alkali liquor that sprays down in alkali liquor absorption zone 2 and alkali liquor shower head 4 contacts, and acid composition enters into sodium hypochlorite absorption zone 8 through stink passageway 6 after being absorbed in the stink, and in this region, alkali composition and organic matter etc. are got rid of after being neutralized or the oxidation by sodium hypochlorite in the stink, and the stink after the purification is passed through defroster 11 back and is discharged through stink discharge tube 12 up to standard.
The pH meter/thermometer 7 is used for respectively detecting the pH values of the alkali circulating liquid and the sodium hypochlorite circulating liquid, and when the pH value of the alkali circulating liquid is lower than 9, the alkali liquor replenishing pump 14 is automatically started to enter the alkali liquor circulating area 1 for liquid replenishing. When the pH value of the sodium hypochlorite circulating liquid is higher than 5.5, the sodium hypochlorite replenishing pump 20 is automatically started to replenish the liquid in the sodium hypochlorite storage tank 18 to the sodium hypochlorite circulating area 5.
The circulating liquid in the alkali liquor circulating area 1 is lifted to the alkali liquor spraying head 4 through an alkali liquor circulating pump 13 and an alkali liquor circulating pipeline 17, the sprayed liquid is contacted with the odor, and the odor absorbs the acid gas components in the odor and returns to the alkali liquor circulating area 1. Similarly, the circulating liquid in the sodium hypochlorite circulating area 5 is lifted to the sodium hypochlorite liquid spray header 10 through the sodium hypochlorite circulating pump 22 and the sodium hypochlorite circulating pipeline 23, and the sprayed liquid is contacted with the odor to absorb alkaline gas components and organic substances in the odor and then returns to the sodium hypochlorite circulating area 5.
In one embodiment, the lye absorption zone 2 and the sodium hypochlorite absorption zone 8 each contain a small amount of round pall balls or other packing material to increase the gas-liquid contact area. The alkali liquor spray header 4 and the sodium hypochlorite spray header 10 both adopt distributed spiral spray devices, namely a plurality of spiral spray headers are distributed and evenly distributed in the tank body 24, so that fine liquid drops and even spraying are ensured during spraying.
The liquid-gas ratio of spray liquid and odor in the alkali liquor spray area during spraying is 0.5-2.0L/m3The volume of the alkali liquor circulation zone should be at least 15-30min of spray liquor, the flow rate of the odor air tower should be 0.5-2.0m/s, and the spray density should be 6-10m3/(m2H). The liquid-gas ratio of spray liquid and odor in the sodium hypochlorite spray area during spraying is 0.5-2.0L/m3The volume of the sodium hypochlorite circulation area should be at least 15-30min of spray liquid, the flow rate of the odor air tower should be 2.0-3.0m/s, and the spray density should be 6-10m3/(m2·h)。
The odor is absorbed twice by the alkali liquor absorption area and the sodium hypochlorite absorption area, meanwhile, the alkali liquor spraying area and the sodium hypochlorite absorption area are isolated by a partition plate, the odor flows upwards from a plurality of capillary tubes arranged on the partition plate and is fully contacted with absorption liquid and reacted to be removed, the capillary tubes are vertically arranged on the partition plate, the connection part of the capillary tubes and the partition plate is sealed, small liquid drops at the openings of the capillary tubes are refracted by airflow and then fall onto the partition plate due to certain flow velocity of gas, so that the physical isolation of liquid between the two areas is realized, the odor and the liquid are fully mixed and reacted by the arrangement of the capillary tubes, the deodorization effect and efficiency are improved, and the odor after treatment can fully meet the requirements of 'odor pollutant emission standard' (GB 19554-93).
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. A kind of spray deodorizing device, characterized by: comprises a tank body, a pH meter, an alkali liquor storage tank and a sodium hypochlorite storage tank;
an alkali liquor circulating area, an alkali liquor absorbing area, an alkali liquor spraying area, a sodium hypochlorite circulating area, a sodium hypochlorite absorbing area, a sodium hypochlorite spraying area and a demister area are sequentially arranged in the tank body from the bottom to the top;
the alkali liquor storage tank is connected with the alkali liquor circulating area through an alkali liquor replenishing pump and an alkali liquor replenishing pipeline, the pH meter is used for detecting the pH value of the alkali liquor circulating liquid, when the pH value of the alkali liquor circulating liquid is lower than 9, the alkali liquor replenishing pump is automatically started, and the alkali liquor circulating area replenishes the liquid;
the alkali liquor circulating area is connected with an alkali liquor spraying head arranged in the alkali liquor spraying area through an alkali liquor circulating pump and an alkali liquor circulating pipeline, and the alkali liquor spraying head is a spiral spraying head or a shower head;
the alkali liquor absorption area is provided with an alkali liquor absorption area filler, and the alkali liquor absorption area filler is a round Bohr ball;
a partition board is arranged between the alkali liquor spraying area and the sodium hypochlorite circulating area, the partition board is arranged in the tank body in a sealing manner, and a plurality of capillary tubes for entering and exiting odor are arranged on the partition board;
the liquid-gas ratio of the spray liquid and the odor in the alkali liquor spraying area is 0.5-2.0L/m3The flow velocity of the odor air tower is 0.5-2.0m/s, and the spraying density is 6-10m3/(m2·h)；
The partition board is provided with a plurality of small holes, and the capillary tubes vertically penetrate through the small holes and are sealed;
the length of the capillary tube is equal to the amount of the spray liquid in the circulation area/A, and the unit of the amount of the spray liquid in the circulation area is m3A is the sectional area of the spray tower; of said capillary tube
Wherein v is qiThe volume flow rate, Q is the air input, and n is the number of capillaries;
the bottom opening end of the capillary tube is communicated with the alkali liquor spraying area, the other end of the capillary tube extends into the sodium hypochlorite absorption area, and the sodium hypochlorite circulation area arranged above the partition plate is positioned outside the capillary tube;
the connection part of the capillary and the partition board is sealed, and because the gas has a certain flow velocity, small liquid drops at the position of the capillary are refracted by the gas flow and then fall onto the partition board, so that the physical isolation of liquid between the alkali liquor spraying area and the sodium hypochlorite absorption area is realized;
the sodium hypochlorite storage tank is connected with the sodium hypochlorite circulation area through a sodium hypochlorite supplement pipeline and a sodium hypochlorite supplement pump, the pH meter is used for detecting the pH value of the sodium hypochlorite circulation liquid, and when the pH value of the sodium hypochlorite circulation liquid is higher than 5.5, the sodium hypochlorite supplement pump is automatically started to supplement the liquid in the sodium hypochlorite storage tank to the sodium hypochlorite circulation area;
the sodium hypochlorite circulation zone is connected with a sodium hypochlorite spray head through a sodium hypochlorite circulation pump and a sodium hypochlorite circulation pipeline, and the sodium hypochlorite spray head is a spiral spray head or a shower head;
the sodium hypochlorite absorption area is provided with sodium hypochlorite absorption area fillers which are round pall balls;
the liquid-gas ratio of the spray liquid of the sodium hypochlorite spray area to the odor is 0.5-2.0L/m3The flow velocity of the odor air tower is 2.0-3.0m/s, and the spraying density is 6-10m3/(m2·h)；
The side surface of the bottom of the tank body is provided with an odor inlet, and the tank body above the demister area is provided with an odor discharge pipeline.
2. The spray deodorizing device according to claim 1, wherein: the alkali liquor spraying heads and the sodium hypochlorite spraying heads are multiple and are respectively and uniformly distributed in the alkali liquor spraying area and the sodium hypochlorite spraying area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898008.8A CN107638778B (en) | 2017-09-28 | 2017-09-28 | Spraying deodorization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898008.8A CN107638778B (en) | 2017-09-28 | 2017-09-28 | Spraying deodorization device |
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| Publication Number | Publication Date |
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| CN107638778A CN107638778A (en) | 2018-01-30 |
| CN107638778B true CN107638778B (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710898008.8A Active CN107638778B (en) | 2017-09-28 | 2017-09-28 | Spraying deodorization device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110215811A (en) * | 2019-06-04 | 2019-09-10 | 中工国际工程股份有限公司 | The low dense stench processing system of one kind and method |
Citations (7)
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|---|---|---|---|---|
| CA1062440A (en) * | 1974-11-14 | 1979-09-18 | Thomas L.C. De Souza | Method and apparatus for removing reduced sulphur compounds from vapours and/or gas streams |
| JPS56124426A (en) * | 1980-03-07 | 1981-09-30 | Nissan Eng Kk | Wet type deodorizing method including regeneration process of oxidizing agent |
| CN1074837A (en) * | 1992-01-31 | 1993-08-04 | 清华大学 | Film-type gas distributor |
| CN102580496A (en) * | 2012-03-14 | 2012-07-18 | 杭州天蓝环保设备有限公司 | Liquid-phase oxidation multistage absorbed flue gas desulfurization and denitrification technology and device |
| CN103506002A (en) * | 2013-10-11 | 2014-01-15 | 浙江洁达环保集团有限公司 | Two-section bicirculating spraying and padding composite absorption tower |
| KR101702831B1 (en) * | 2016-06-17 | 2017-02-06 | (주)금강기계 | Abatement of Nitrogen Oxides and Sulfur Oxides |
| CN107174931A (en) * | 2017-07-04 | 2017-09-19 | 苏州华商新能源有限公司 | A kind of high effective flue gas processing unit using solar energy as power |
-
2017
- 2017-09-28 CN CN201710898008.8A patent/CN107638778B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1062440A (en) * | 1974-11-14 | 1979-09-18 | Thomas L.C. De Souza | Method and apparatus for removing reduced sulphur compounds from vapours and/or gas streams |
| JPS56124426A (en) * | 1980-03-07 | 1981-09-30 | Nissan Eng Kk | Wet type deodorizing method including regeneration process of oxidizing agent |
| CN1074837A (en) * | 1992-01-31 | 1993-08-04 | 清华大学 | Film-type gas distributor |
| CN102580496A (en) * | 2012-03-14 | 2012-07-18 | 杭州天蓝环保设备有限公司 | Liquid-phase oxidation multistage absorbed flue gas desulfurization and denitrification technology and device |
| CN103506002A (en) * | 2013-10-11 | 2014-01-15 | 浙江洁达环保集团有限公司 | Two-section bicirculating spraying and padding composite absorption tower |
| KR101702831B1 (en) * | 2016-06-17 | 2017-02-06 | (주)금강기계 | Abatement of Nitrogen Oxides and Sulfur Oxides |
| CN107174931A (en) * | 2017-07-04 | 2017-09-19 | 苏州华商新能源有限公司 | A kind of high effective flue gas processing unit using solar energy as power |
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Address after: 450000 No. 906, floor 9, building 2, Xinghua science and Technology Industrial Park, west of the second street, south of Jingnan 1st Road, Zhengzhou area (Economic Development Zone), Zhengzhou pilot Free Trade Zone, Henan Province Patentee after: Huaxia Bishui Environmental Protection Technology Co.,Ltd. Address before: 450000 Henan Zhengzhou economic and Technological Development Zone Second Avenue West, south of the road south, Xinghua science and Technology Industrial Park 2 Building 9 floor 906. Patentee before: HUAXIA BISHUI ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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Denomination of invention: A spray deodorization device Effective date of registration: 20221226 Granted publication date: 20201120 Pledgee: Bank of China Zhengzhou branch of Limited by Share Ltd. culture Pledgor: Huaxia Bishui Environmental Protection Technology Co.,Ltd. Registration number: Y2022980028978 |
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Granted publication date: 20201120 Pledgee: Bank of China Zhengzhou branch of Limited by Share Ltd. culture Pledgor: Huaxia Bishui Environmental Protection Technology Co.,Ltd. Registration number: Y2022980028978 |