CN103752117A - Smoke-gas treatment system and method of integrated desulfuration and PM2.5 (Fine Particulate Matter) desorption by adopting ammonia process - Google Patents
Smoke-gas treatment system and method of integrated desulfuration and PM2.5 (Fine Particulate Matter) desorption by adopting ammonia process Download PDFInfo
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- CN103752117A CN103752117A CN201410030398.3A CN201410030398A CN103752117A CN 103752117 A CN103752117 A CN 103752117A CN 201410030398 A CN201410030398 A CN 201410030398A CN 103752117 A CN103752117 A CN 103752117A
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Abstract
The invention discloses smoke-gas treatment system and method of integrated desulfuration and PM2.5 (Fine Particulate Matter) desorption by adopting an ammonia process. The smoke-gas treatment system comprises a smoke-gas integrated treatment tower, an ammonia desorption agent pulping and slurry supplying system, a water circulation system and a side product preparation system, wherein the ammonia desorption agent pulping and slurry supplying system is connected with the smoke-gas integrated treatment tower; a desulfuration size outlet of the smoke-gas integrated treatment tower is connected with the water circulation system in a conducted manner; the water circulation system filters and separates desulfuration slurry to obtain filtered clean water and concentrated waste liquid; the filtered clean water is introduced into the smoke-gas integrated treatment tower; the concentrated waste liquid is introduced into the side product preparation system. The method provided by the invention comprises the following steps: a step of preparing an ammonia desulfuration agent; a step of desulfurizing and removing the PM2.5 by adopting the ammonia process in a coordinative manner; a step of treating waste liquid; and a step of preparing a side product. According to the smoke-gas treatment system and method provided by the invention, the problem of ammonia volatilization loss can be effectively solved; the ammonia use ratio is increased; the secondary pollution is avoided; no waste water is discharged, so that the water circulation utilization is realized; furthermore, the PM2.5 can be removed in smoke gas in the coordinative process.
Description
Technical field
The present invention relates to the technical field of flue gas managing technique, relate in particular to a kind of ammonia process integrated desulfurizing, remove the smoke gas treatment system and method for PM2.5.
Background technology
Although economic development and growth in the living standard that industrialized fast development has been advanced by leaps and bounds for the mankind have brought, also caused the generation of various problem of environmental pollutions.Wherein, atmosphere pollution is one of the most serious environmental problem of facing of 21 century human society survival and development.China is a country that coal reserves is abundant, and energy consumption structure has caused the aggravation of atmosphere pollution to the undue dependence of coal, and the sulfur dioxide that coal burning is discharged is the main precursor of acid rain and fine particle, has caused multiple harm.
Ammonia-process desulfurization technique adopts ammonia to absorb the SO in tail gas
2, be one of more common sulfur removal technology.The exploration of China to ammonia-process desulfurization technique, starts from the nineties in last century.Calendar year 2001, in Tenth Five-Year Plan Period 863 Program energy field problem is listed ammonia-process desulfurization technique by the Department of Science and Technology, organizes thereafter expert group to check and accept 863 Program problem " resourcebility flue gas desulfurization technique ".National Development and Reform Committee also proposes China should build large-scale ammonia process of desulfurization demonstration project.In National Key Research Programs problem subsequently, the Department of Science and Technology continues the perfect of ammonia-process desulfurization technique to support.
The accessory substance of the ammonia process of desulfurization is (NH
4)
2sO
4thereby can be used as chemical fertilizer can effective recycling.China is chemical fertilizer demand big country, therefore adopts ammonia type flue gas desulfurizing to tally with the national condition.
Because combustion of fossil fuel brings the factor of serious atmosphere pollution except SO
2outward, the baneful influence of haze also increasingly sharpens, and the pollutant that causes this phenomenon is PM2.5 fine particle.PM2.5 refers to that aerodynamic diameter is less than the subparticle of 2.5 μ m, is the key factor that causes the environmental problems such as atmospheric visibility reduction, thick weather, acid rain and Global climate change.At present, PM2.5 pollutes another key problem that day by day becomes China's atmosphere pollution.Because its specific area is very large, easily enriching heavy metal element, is one of topmost pollutant affecting human body health.
Existing conventional dedusting technology is to PM
10and following subparticle is difficult to effective trapping, and the exploitation of wet static dedusting technology will play an important role to the control of PM2.5 discharge.If ammonia desulfurizing process can be combined with wet static dedusting technique, can realize the SO removing in coal-fired flue-gas simultaneously
2with PM2.5 fine particle, reach the collaborative object of administering of multiple pollutant.
Yet, the process system or the rarely seen report of equipment that in prior art, wet static dedusting technology are combined with ammonia-process desulfurization technique at present.Therefore, the applicant is devoted to the smoke gas treatment system and method for developing this new ammonia process integrated desulfurizing, removing PM2.5, realizes multiple pollutant as SO
2, PM2.5 etc. combines and removes, and can effectively prevent the escaping of ammonia phenomenon of ammonia process wet type desulfurizing, avoids secondary pollution and waste water to produce, and can improve air contaminant treatment effect, can effectively reduce operating cost and floor space again.
Summary of the invention
In view of the deficiency that above-mentioned prior art exists, the present invention proposes a kind of multiple pollutant of realizing as SO
2, PM2.5 etc. combines and removes, and can effectively prevent the escaping of ammonia phenomenon of ammonia process wet type desulfurizing, avoid secondary pollution and waste water to produce, both improved air contaminant treatment effect, reached minimum discharge requirement, can effectively reduce again operating cost and floor space ammonia process integrated desulfurizing, remove the smoke gas treatment system and method for PM2.5.
The present invention is for achieving the above object, and a kind of ammonia process integrated desulfurizing provided by the invention, removes the smoke gas treatment system of PM2.5, comprising:
For ammonia process wet type desulfurizing the integrated integrated improvement tower of flue gas that removes PM2.5,
For ammonia removal agent slurrying and the pulp feeding system of ammonia process of desulfurization agent preparation and supply,
Be used for maintaining the isorrheic water circulation system of smoke gas treatment system process, and
The accessory substance preparation system utilizing for ammonia process of desulfurization by-product recovery.
Described ammonia removal agent slurrying and pulp feeding system connect the integrated improvement tower of described flue gas, the desulfurization slurry delivery port conducting of the integrated improvement tower of described flue gas is connected to described water circulation system, described water circulation system is the rear clear water of filter and concentrating spent liquor by desulfurization slurry isolated by filtration, after described filter, clear water imports the integrated improvement tower of described flue gas, and described concentrating spent liquor imports described accessory substance preparation system.
As a further improvement on the present invention, the internal structure of the integrated improvement tower of described flue gas comprises oxidation pond, ammonia removal agent spray equipment and wet-esp section from bottom to up successively.
The gas approach of the integrated improvement tower of described flue gas is arranged between oxidation pond and ammonia removal agent spray equipment on tower body, and the clean exhanst gas outlet of the integrated improvement tower of described flue gas is arranged at wet-esp section top tower top.
Described oxidation pond is connected with the outer air compressor machine conducting of tower, and described ammonia removal agent spray equipment is connected with described oxidation pond conducting by tower outer circulation pump.
Described wet-esp section consists of electric field region and pole plate flushing water nozzle, described electric field region is spaced and is formed by cathode line, the positive plate of some upright layouts, described electric field region can be set to one or more levels, and described pole plate flushing water nozzle is arranged on the positive plate top of described electric field region.
As a further improvement on the present invention, described ammonia removal agent slurrying and pulp feeding system comprise storage ammonia tank, join ammonia pump, join ammonia tank and supply ammonia pump.
Described storage ammonia tank by described join ammonia pump with described in join the conducting that is connected of ammonia tank, described in join ammonia tank by described for the ammonia pump conducting that is connected with the ammonia removal agent spray equipment of the integrated improvement tower of described flue gas.
As a further improvement on the present invention, described water circulation system comprises waste liquid pool, filter and technique water tank.
Described waste liquid pool import is connected with the oxidation pond outlet conducting of the integrated improvement tower of described flue gas, and described waste liquid pool outlet is connected with the inlet of described filter, and the pure water inlet of described filter is connected with the import of described technique water tank.
As a further improvement on the present invention, described accessory substance preparation system comprises crystallizer, centrifuge and drier.
The material liquid outlet of described crystallizer is connected with the import of described centrifuge, and the outlet of described centrifuge is connected with described drier.
As a further improvement on the present invention, the delivery port of described technique water tank is connected with the conducting of described pole plate flushing water nozzle pipe, the waste liquid outlet of described filter is connected with described crystallizer import conducting, the outlet of the supernatant of described crystallizer with described in join the conducting of ammonia tank and be connected.
The present invention also proposes a kind of ammonia process integrated desulfurizing, removes the smoke treating method of PM2.5, and the smoke gas treatment system that adopt described ammonia process integrated desulfurizing, removes PM2.5 is carried out gas cleaning processing, comprises the following steps:
Step 1, ammonia removal agent preparatory phase: joined in ammonia tank described in being delivered to by the described ammonia pump of joining being stored in ammonia removal agent stoste in described storage ammonia tank, according to preset proportion, be configured to ammonia removal agent with industry water, then for ammonia pump, be delivered to described ammonia removal agent spray equipment by described.
Step 2, ammonia process coordinated desulfurization takes off the PM2.5 stage: pending flue gas imports in the integrated improvement tower of described flue gas from described gas approach, up flue gas effectively contacts and desulfurization with the ammonia removal agent of spray downwards of described ammonia removal agent spray equipment, flue gas enters the high-tension electricity place being formed by some cathode line and positive plate in described wet-esp section subsequently, PM2.5 particulate in pending flue gas and the ammonia of escape, aerosol is by charged, and migrate to described positive plate, by the flushing water on positive plate, washed away and remove, last clean flue gas discharges by the clean exhanst gas outlet of tower top.
Step 3, the liquid waste processing stage: the desulfurization slurry of described oxidation pond exports described waste liquid pool to, then carry out filtering and concentrating by described filter, and after filter, clear water is delivered to described technique water tank, and concentrating spent liquor is carried in accessory substance preparation system.
Step 4, accessory substance preparatory phase: the desulfurization slurry after filtration carries out crystallization, centrifugal, dry successively, completes the preparation of accessory substance.
The concentration range of joining the ammonia removal agent configuring in ammonia tank as a further improvement on the present invention, is 4.0%-6.0%.
As a further improvement on the present invention, the oxidation pond of the integrated improvement tower of described flue gas is oxidized desulfurization slurry by the compressed air of the outer air compressor machine input of tower.
As a further improvement on the present invention, in step 4, carry out in the process of crystallization, described in the supernatant that crystallization process is produced imports, join in ammonia tank the recycling of the ammonia that escapes.
Ammonia process integrated desulfurizing of the present invention, the smoke gas treatment system and method that removes PM2.5 compared with prior art at least have following technique effect:
Ammonia process integrated desulfurizing of the present invention, remove the smoke gas treatment system and method for PM2.5, by ammonia desulfurizing process and the effective combination of wet-esp technology, realized same removing and in tower, combined oxysulfide and the PM2.5 subparticle removing in flue gas, having realized multiple pollutant combines and removes, and can effectively prevent the escaping of ammonia phenomenon of ammonia process wet type desulfurizing, improved ammonia utilization rate, and avoided secondary pollution and waste water to produce, realized water circulation use, improved the purification efficiency to flue gas, reduced operating cost, both improved air contaminant treatment effect, reached minimum discharge requirement, can effectively reduce operating cost and floor space again.
Accompanying drawing explanation
Fig. 1 is ammonia process integrated desulfurizing of the present invention, remove the structural representation of the smoke gas treatment system of PM2.5.
Fig. 2 is the structural representation of smoke gas treatment tower of the present invention.
Primary clustering symbol description in figure:
100, the integrated improvement tower 101 of flue gas, the outer air compressor machine 102 of tower, oxidation pond
103, gas approach 104, ammonia removal agent spray equipment 105, tower outer circulation pump
106, wet-esp section 107, positive plate 108, cathode line
109, pole plate flushing water nozzle 110, clean exhanst gas outlet 200, ammonia removal agent slurrying and pulp feeding system
201, store up ammonia tank 202, join ammonia pump 203, join ammonia tank
204, for ammonia pump 300, water circulation system 301, waste liquid pool
302, agitator 303, filter 304, technique water tank
400, accessory substance preparation system 401, crystallizer 402, centrifuge
403, drier.
The specific embodiment
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Embodiment mono-:
Fig. 1 is ammonia process integrated desulfurizing of the present invention, remove the structural representation of the smoke gas treatment system of PM2.5.As shown in Figure 1, a kind of ammonia process integrated desulfurizing that the present embodiment proposes, remove the smoke gas treatment system of PM2.5, comprising:
For ammonia process wet type desulfurizing the integrated integrated improvement tower 100 of flue gas that removes PM2.5,
For ammonia removal agent slurrying and the pulp feeding system 200 of ammonia process of desulfurization agent preparation and supply,
Be used for maintaining the isorrheic water circulation system 300 of smoke gas treatment system process, and
The accessory substance preparation system 400 utilizing for ammonia process of desulfurization by-product recovery.
As shown in Figure 1, ammonia removal agent slurrying and pulp feeding system 200 connect the integrated improvement tower 100 of flue gas, ammonia removal agent slurries are delivered in the integrated improvement tower 100 of flue gas and spray desulfurization, the desulfurization slurry delivery port conducting of the integrated improvement tower 100 of flue gas is connected in water circulation system 300, by 300 pairs of desulfurization slurries of water circulation system, filtered, be separated into the rear clear water of filter and concentrating spent liquor, after filter, clear water imports in the integrated improvement tower 100 of flue gas, as pole plate flushing water, use, concentrating spent liquor imports accessory substance preparation system 400.
Concrete, as shown in Figure 2, the internal structure of the integrated improvement tower 100 of flue gas comprises oxidation pond 102, ammonia removal agent spray equipment 104 and wet-esp section 106 from bottom to up successively.
The gas approach 103 of the integrated improvement tower 100 of flue gas is arranged between oxidation pond 102 and ammonia removal agent spray equipment 104 on tower body, and the clean exhanst gas outlet 110 of the integrated improvement tower 100 of flue gas is arranged at wet-esp section 106 top tower tops.
Oxidation pond 102 is connected with outer air compressor machine 101 conductings of tower, and ammonia removal agent spray equipment 104 is connected with oxidation pond 102 conductings by tower outer circulation pump 105.
Wet-esp section 106 consists of electric field region and pole plate flushing water nozzle 109, described electric field region is spaced and is formed by cathode line 108, the positive plate 107 of some upright layouts, described electric field region can be set to one or more levels, and pole plate flushing water nozzle 109 is arranged on the positive plate top of described electric field region.
Concrete, as shown in Figure 1, ammonia removal agent slurrying and pulp feeding system 200 comprise storage ammonia tank 201, join ammonia pump 202, join ammonia tank 203 and supply ammonia pump 204.Storage ammonia tank 201 being by joining ammonia pump 202 and joining ammonia tank 203 conducting that is connected, and joins ammonia tank 203 by the conducting that is connected with the ammonia removal agent spray equipment 104 of the integrated improvement tower 100 of flue gas of confession ammonia pump 204.
Water circulation system 300 comprises waste liquid pool 301, filter 303 and technique water tank 304.Waste liquid pool 301 is built-in with agitator 302, waste liquid pool 301 imports are connected with the oxidation pond 102 outlet conductings of the integrated improvement tower 100 of flue gas, waste liquid pool 301 outlets are connected with the inlet of filter 303, and the pure water inlet of filter 303 is connected with the import of technique water tank 304.
Accessory substance preparation system 400 comprises crystallizer 401, centrifuge 402 and drier 403.The material liquid outlet of crystallizer 401 is connected with the import of centrifuge 402, and the outlet of centrifuge 402 is connected with drier 403.
In the present embodiment, as shown in the figure, the delivery port of technique water tank 304 is connected with 109 conductings of pole plate flushing water nozzle, and the waste liquid outlet of filter 303 is connected with crystallizer 401 import conductings, the outlet of the supernatant of crystallizer 401 with join 203 conductings of ammonia tank and be connected.
Embodiment bis-:
The present embodiment proposes a kind of ammonia process integrated desulfurizing, removes the smoke treating method of PM2.5, adopts the ammonia process integrated desulfurizing of embodiment mono-, the smoke gas treatment system that removes PM2.5 to carry out gas cleaning processing, shown in Fig. 1 and Fig. 2, comprises the following steps:
Step 1, ammonia removal agent preparatory phase: be delivered to and join in ammonia tank 203 by joining ammonia pump 202 being stored in ammonia removal agent stoste in ammonia tank 201, according to preset proportion, be configured to ammonia removal agent with industry water, then by being delivered to ammonia removal agent spray equipment 104 for ammonia pump 204.
Step 2, ammonia process coordinated desulfurization takes off the PM2.5 stage: pending flue gas imports in the integrated improvement tower 100 of flue gas from gas approach 103, up flue gas effectively contacts and desulfurization with the ammonia removal agent spray equipment 104 ammonia removal agent of spray downwards, flue gas enters the high-tension electricity place being formed by some cathode line 108 and positive plate 107 in wet-esp section 106 subsequently, PM2.5 particulate in pending flue gas and the ammonia of escape, aerosol is by charged, and migrate to positive plate 107, by the flushing water on positive plate 107, washed away and remove, last clean flue gas is by clean exhanst gas outlet 110 discharges of tower top.
Step 3, the liquid waste processing stage: the desulfurization slurry of oxidation pond 102 exports waste liquid pool 301 to, then carry out filtering and concentrating by filter 303, and after filter, clear water is delivered to technique water tank 304, and concentrating spent liquor is carried in accessory substance preparation system 400.
Step 4, accessory substance preparatory phase: the desulfurization slurry after filtration carries out crystallization, centrifugal, dry successively, completes the preparation of accessory substance, can deliver to packing shop by dried byproduct.
Concrete, the concentration range of joining the ammonia removal agent configuring in ammonia tank 203 of the present embodiment is 4.0-6.0%, the oxidation pond 102 of the integrated improvement tower 100 of flue gas is oxidized desulfurization slurry by the compressed air of outer air compressor machine 101 inputs of tower, and carry out in the process of crystallization in step 4, the supernatant that crystallization process is produced imports joins in ammonia tank 203, the recycling of the ammonia that escapes.
Adopt the ammonia process integrated desulfurizing of the present embodiment, remove the smoke treating method of PM2.5, effectively by ammonia desulfurizing process and the effective combination of wet-esp technology, realized same removing and in tower, combined oxysulfide and the PM2.5 subparticle removing in flue gas, having realized multiple pollutant combines and removes, and can effectively prevent the escaping of ammonia phenomenon of ammonia process wet type desulfurizing, improved ammonia utilization rate, avoided secondary pollution and waste water to produce, realized water circulation use, improved the purification efficiency to flue gas, reduced operating cost, both improved air contaminant treatment effect, reached minimum discharge requirement, can effectively reduce operating cost and floor space again.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
- Ammonia process integrated desulfurizing, remove a smoke gas treatment system of PM2.5, it is characterized in that: compriseFor ammonia process wet type desulfurizing the integrated integrated improvement tower of flue gas that removes PM2.5,For ammonia removal agent slurrying and the pulp feeding system of ammonia process of desulfurization agent preparation and supply,Be used for maintaining the isorrheic water circulation system of smoke gas treatment system process, andThe accessory substance preparation system utilizing for ammonia process of desulfurization by-product recovery;Described ammonia removal agent slurrying and pulp feeding system connect the integrated improvement tower of described flue gas, the desulfurization slurry delivery port conducting of the integrated improvement tower of described flue gas is connected to described water circulation system, described water circulation system is the rear clear water of filter and concentrating spent liquor by desulfurization slurry isolated by filtration, after described filter, clear water imports the integrated improvement tower of described flue gas, and described concentrating spent liquor imports described accessory substance preparation system.
- Ammonia process integrated desulfurizing as claimed in claim 1, remove the smoke gas treatment system of PM2.5, it is characterized in that: the internal structure of the integrated improvement tower of described flue gas comprises oxidation pond, ammonia removal agent spray equipment and wet-esp section from bottom to up successively;The gas approach of the integrated improvement tower of described flue gas is arranged between oxidation pond and ammonia removal agent spray equipment on tower body, and the clean exhanst gas outlet of the integrated improvement tower of described flue gas is arranged at wet-esp section top tower top;Described oxidation pond is connected with the outer air compressor machine conducting of tower, and described ammonia removal agent spray equipment is connected with described oxidation pond conducting by tower outer circulation pump;Described wet-esp section consists of electric field region and pole plate flushing water nozzle, described electric field region is spaced and is formed by cathode line, the positive plate of some upright layouts, described electric field region can be set to one or more levels, and described pole plate flushing water nozzle is arranged on the positive plate top of described electric field region.
- Ammonia process integrated desulfurizing as claimed in claim 2, remove the smoke gas treatment system of PM2.5, it is characterized in that: described ammonia removal agent slurrying and pulp feeding system comprise storage ammonia tank, join ammonia pump, join ammonia tank and for ammonia pump;Described storage ammonia tank by described join ammonia pump with described in join the conducting that is connected of ammonia tank, described in join ammonia tank by described for the ammonia pump conducting that is connected with the ammonia removal agent spray equipment of the integrated improvement tower of described flue gas.
- Ammonia process integrated desulfurizing as claimed in claim 3, remove the smoke gas treatment system of PM2.5, it is characterized in that: described water circulation system comprises waste liquid pool, filter and technique water tank;Described waste liquid pool import is connected with the oxidation pond outlet conducting of the integrated improvement tower of described flue gas, and described waste liquid pool outlet is connected with the inlet of described filter, and the pure water inlet of described filter is connected with the import of described technique water tank.
- Ammonia process integrated desulfurizing as claimed in claim 4, remove the smoke gas treatment system of PM2.5, it is characterized in that: described accessory substance preparation system comprises crystallizer, centrifuge and drier;The material liquid outlet of described crystallizer is connected with the import of described centrifuge, and the outlet of described centrifuge is connected with described drier.
- Ammonia process integrated desulfurizing as claimed in claim 5, remove the smoke gas treatment system of PM2.5, it is characterized in that: the delivery port of described technique water tank is connected with the conducting of described pole plate flushing water nozzle pipe, the waste liquid outlet of described filter is connected with described crystallizer import conducting, the outlet of the supernatant of described crystallizer with described in join the conducting of ammonia tank and be connected.
- Ammonia process integrated desulfurizing, remove a smoke treating method of PM2.5, it is characterized in that: the smoke gas treatment system that adopt ammonia process integrated desulfurizing described in claim 1-6 any one, removes PM2.5 is carried out gas cleaning processing, comprises the following steps:Step 1, ammonia removal agent preparatory phase: joined in ammonia tank described in being delivered to by the described ammonia pump of joining being stored in ammonia removal agent stoste in described storage ammonia tank, according to preset proportion, be configured to ammonia removal agent with industry water, then for ammonia pump, be delivered to described ammonia removal agent spray equipment by described;Step 2, ammonia process coordinated desulfurization takes off the PM2.5 stage: pending flue gas imports in the integrated improvement tower of described flue gas from described gas approach, up flue gas effectively contacts and desulfurization with the ammonia removal agent of spray downwards of described ammonia removal agent spray equipment, flue gas enters the high-tension electricity place being formed by some cathode-anode plates in described wet-esp section subsequently, PM2.5 particulate in pending flue gas and the ammonia of escape, aerosol are by charged, and migrate to described positive plate, by the flushing water on positive plate, washed away and remove, last clean flue gas discharges by the clean exhanst gas outlet of tower top;Step 3, the liquid waste processing stage: the desulfurization slurry of described oxidation pond exports described waste liquid pool to, then it is concentrated by described filter, to carry out separation, and after filter, clear water is delivered to described technique water tank, and concentrating spent liquor is carried in accessory substance preparation system;Step 4, accessory substance preparatory phase: the concentrated slurry after filtration carries out crystallization, centrifugal, dry successively, completes the preparation of accessory substance.
- Ammonia process integrated desulfurizing as claimed in claim 7, remove the smoke treating method of PM2.5, it is characterized in that: described in join the ammonia removal agent configuring in ammonia tank concentration range be 4.0-6.0%.
- Ammonia process integrated desulfurizing as claimed in claim 7, remove the smoke treating method of PM2.5, it is characterized in that: the oxidation pond of the integrated improvement tower of described flue gas is oxidized desulfurization slurry by the compressed air of the outer air compressor machine input of tower.
- Ammonia process integrated desulfurizing as claimed in claim 7, remove the smoke treating method of PM2.5, it is characterized in that: in step 4, carry out in the process of crystallization, described in the supernatant that crystallization process is produced imports, join in ammonia tank the recycling of the ammonia that escapes.
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| CN110252059A (en) * | 2019-06-14 | 2019-09-20 | 苏州市协力环保设备有限公司 | Fiberboard dry waste gas processing system and fiberboard dry waste gas treatment process |
| CN110252059B (en) * | 2019-06-14 | 2021-08-27 | 苏州市协力环保设备有限公司 | Fiberboard drying waste gas treatment system and fiberboard drying waste gas treatment process |
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