CN104941416A - Odor treating system for chemical slurry workshop - Google Patents
Odor treating system for chemical slurry workshop Download PDFInfo
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- CN104941416A CN104941416A CN201510320814.8A CN201510320814A CN104941416A CN 104941416 A CN104941416 A CN 104941416A CN 201510320814 A CN201510320814 A CN 201510320814A CN 104941416 A CN104941416 A CN 104941416A
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Abstract
The application discloses an odor treating system for a chemical slurry workshop. The odor treating system comprises a plurality of parallelly connected exhaust gas collecting devices, a plurality of exhaust gas pretreating devices, an exhaust gas conveying device, an exhaust gas absorbing device, an exhaust gas detecting device and an exhaust gas discharging device, wherein the exhaust gas pretreating devices and the exhaust gas collecting devices are in one-to-one correspondence and are connected in series, exhaust gas collected by the plurality of exhaust gas collecting devices is mixed and collected into the exhaust gas conveying device, the exhaust gas absorbing device comprises a plurality of parallelly connected spraying air-scrubbing towers and an activated carbon adsorbing device parallelly connected with the spraying air-scrubbing towers; the output ends of the parallelly connected spraying air-scrubbing towers are connected to the activated carbon adsorbing device. Different pretreating devices are arranged according to the component characteristics of the odor generated in pulping, all gas pollution sources in the chemical slurry workshop are comprehensively controlled, direct discharge to the atmosphere is reduced, the production environment of a factory is improved, the health of workers is protected, and pollution to the surrounding is reduced.
Description
Technical field
The application belongs to technical field of waste gas treatment in pulping process, specifically, relates to oneization slurry workshop stench processing system.
Background technology
The production technology of sulfate pulping mainly comprises pulping process and supporting alkali recovery process, all can produce the foul smell of variable concentrations, produce certain harmful effect to atmospheric environment in pulping and digesting and alkali recovery process.
The emission point of sulfate pulp-making odor pollution material mainly contains: digester, spraying pot, washing facility (wash engine), black liquor vaporizing system, caustic room alkali recovery furnace etc.The main component of foul smell is hydrogen sulfide, sulfur dioxide, sulfur trioxide, methyl mercaptan, methyl sulfide.In sulfate pulp-making foul smell, hydrogen sulfide toxicity is quite high, has rotten egg smell, except causing local excitation, also endangers respiratory apparatus, can cause septicemia phenomenon; Methyl mercaptan has great foul smell, generally have syngignoscism, high concentration can benumb nervous centralis, after human body sucks methyl mercaptan repeatedly, because the heavy metal in it and bodily tissue has extremely strong compatibility, the necessary trace element of life can be made to lose activity and drain; Methyl mercaptan can be absorbed by the skin, and Long Term Contact has carcinogenesis, human body protein can also be made to occur rotten.This kind of foul smell is comparatively large to regional environment quality of the air influence, affects the life of nearby residents and healthy.Therefore must arrange corresponding treatment system to carry out collecting and removing.
Summary of the invention
The application overcomes shortcoming of the prior art, provide oneization slurry workshop stench processing system, it has the main pernicious gas collected and produce in sulfate pulp-making production process, and process accordingly and transform, reduce pernicious gas to be directly discharged in air, improve production environment, reach the object of cleaner production and safety in production.
In order to solve the problems of the technologies described above, the application is achieved through the following technical solutions:
Oneization slurry workshop stench processing system,
Comprise the waste gas collection device of several parallel connections set gradually, several waste gas pre-treating devices, exhaust-carrying device, exhaust gas absorption device, wasted nickel catalyst device, exhaust emission device,
Several waste gas pre-treating devices and several waste gas collection device one_to_one corresponding and be arranged in series,
Waste gas collected by several waste gas collection devices all mixes and is aggregated into exhaust-carrying device,
The spray scrubbing tower that exhaust gas absorption device comprises some parallel connections and the absorbent charcoal adsorber of connecting with the spray scrubbing tower of some parallel connections, the output of the spray scrubbing tower of some parallel connections is connected to absorbent charcoal adsorber,
The output of exhaust gas absorption device is also provided with the waste gas washing liquid bath for collecting waste gas cleaning solution.
Several waste gas collection devices comprise digester waste gas collection device, spraying pot waste gas collection device, washing facility waste gas collection device, black liquor vaporizing system off gas gathering-device, caustic room alkali recovery furnace waste gas collection device.
Waste gas pre-treating device comprises digester waste gas pre-treating device, spraying pot waste gas pre-treating device, washing facility waste gas pre-treating device, black liquor vaporizing system off gas pretreatment unit, caustic room alkali recovery furnace waste gas pre-treating device.
Spraying pot waste gas pre-treating device comprises the spraying pot waste gas buffer tank, the spraying pot waste gas light oxygen processor that set gradually.
Digester waste gas pre-treating device comprises the digester waste gas B groove, digester waste gas cyclone separator, digester exhaust-heat exchanger, digester spray tower for waste gas, digester waste gas buffer tank, the digester waste gas light oxygen processor that set gradually.
The spray liquid adopted in spray scrubbing tower is sodium hydroxide solution.
Exhaust-carrying device is air-introduced machine.
Exhaust emission device comprises blower fan and chimney.
Compared with prior art, the beneficial effect of the application is:
Oneization slurry workshop stench processing system described in the application, comprise the waste gas collection device of several parallel connections set gradually, several waste gas pre-treating devices, exhaust-carrying device, exhaust gas absorption device, wasted nickel catalyst device, exhaust emission device, several waste gas pre-treating devices and several waste gas collection device one_to_one corresponding and be arranged in series, waste gas collected by several waste gas collection devices all mixes and is aggregated into exhaust-carrying device, the spray scrubbing tower that exhaust gas absorption device comprises some parallel connections and the absorbent charcoal adsorber of connecting with the spray scrubbing tower of some parallel connections, the output of the spray scrubbing tower of some parallel connections is connected to described absorbent charcoal adsorber, the output of exhaust gas absorption device is also provided with the waste gas washing liquid bath for collecting waste gas cleaning solution.The emission point that the change slurry workshop stench processing system of the application mainly produces foul smell for change slurry workshop is arranged; and different pretreatment units is set for the foul smell composition characteristic that slurrying produces; comprehensively change slurry workshop all gas pollution source apportionment is lived; reduce in line to air; improve plant produced environment; the health of protection workman, reduces the pollution to surrounding environment.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present application, is used from explanation the application, does not form the restriction to the application with the embodiment one of the application, in the accompanying drawings:
Fig. 1 is the flow chart of a kind ofization slurry workshop stench processing system described in the application.
Include in Fig. 1:
Spraying pot waste gas collection device 111, spraying pot waste gas buffer tank 112, spraying pot waste gas light oxygen processor 113,
Digester waste gas collection device 121, digester waste gas B groove 122, digester waste gas cyclone separator 123, digester exhaust-heat exchanger 124, digester spray tower for waste gas 125, digester waste gas buffer tank 126, digester waste gas light oxygen processor 127,
Washing facility waste gas collection device 131, washing facility waste gas pre-treating device 132,
Black liquor vaporizing system off gas gathering-device 141, black liquor vaporizing system off gas pretreatment unit 142,
Caustic room alkali recovery furnace waste gas collection device 151, caustic room alkali recovery furnace waste gas pre-treating device 152,
Air-introduced machine 200,
First spray scrubbing tower 310, second sprays scrubbing tower 320, the 3rd spray scrubbing tower 330, the 4th sprays scrubbing tower 340,
Waste gas washing liquid bath 400,
Absorbent charcoal adsorber 500,
Blower fan 610, chimney 620.
Detailed description of the invention
Be described below in conjunction with the preferred embodiment of accompanying drawing to the application, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the application, and be not used in restriction the application.
As shown in Figure 1, the oneization slurry workshop stench processing system described in the application,
Comprise 5 of setting gradually waste gas collection device in parallel, 5 waste gas pre-treating devices, exhaust-carrying device, exhaust gas absorption device, wasted nickel catalyst device, exhaust emission devices,
5 waste gas pre-treating devices and 5 waste gas collection device one_to_one corresponding and be arranged in series,
Waste gas collected by several waste gas collection devices all mixes and is aggregated into exhaust-carrying device,
As shown in Figure 1, exhaust gas absorption device comprises 4 spray scrubbing towers in parallel, be respectively the absorbent charcoal adsorber 500 that the first spray scrubbing tower 310, second sprays scrubbing tower 320, the 3rd spray scrubbing tower 330 and the 4th spray scrubbing tower 340, connects with 4 spray scrubbing towers in parallel, the output of 4 spray scrubbing towers in parallel is connected to absorbent charcoal adsorber 500, and the output of exhaust gas absorption device is also provided with the waste gas washing liquid bath 400 for collecting waste gas cleaning solution.The waste gas cleaning solution that scrubbing tower spray liquid flows out after absorbing waste gas is temporarily left in this, gets to other treatment facilities be further processed through pump.
5 waste gas collection devices comprise digester waste gas collection device 121, spraying pot waste gas collection device 111, washing facility waste gas collection device 131, black liquor vaporizing system off gas gathering-device 141, caustic room alkali recovery furnace waste gas collection device 151.Boiling foul smell, evaporate station foul condensate air lift foul smell, evaporate station evaporator foul smell belong to high dense foul smell; Slip house wash engine, foam tank, the foul smell of the bulk storage such as each white liquid bath of each black liquor slot of evaporate station, condensate draining and causticization, green liquor storage belongs to low dense foul smell.Gathering system is installed in each source of distributing general, and is coupled together in the source of distributing, and focuses on.Waste gas collection device can be gas skirt, sealing device upper shed connects discharge etc.As long as the equipment producing foul smell all can arrange waste gas collection device and focus on.
Waste gas pre-treating device comprises digester waste gas pre-treating device, spraying pot waste gas pre-treating device, washing facility waste gas pre-treating device 132, black liquor vaporizing system off gas pretreatment unit 142, caustic room alkali recovery furnace waste gas pre-treating device 152.Foul smell kind and the concentration of the generation of each workshop section are different, therefore adopt and design targetedly, carry out respective pretreatment to the foul smell of variety classes and concentration, and then absorption process is carried out in mixing, further increases treatment effect.
Spraying pot waste gas pre-treating device comprises the spraying pot waste gas buffer tank 112, the spraying pot waste gas light oxygen processor 113 that set gradually.Pretreatment is carried out to the dense waste gas of height that spraying pot produces, improves treatment effeciency.
Digester waste gas pre-treating device comprises the digester waste gas B groove 122, digester waste gas cyclone separator 123, digester exhaust-heat exchanger 124, digester spray tower for waste gas 125, digester waste gas buffer tank 126, the digester waste gas light oxygen processor 127 that set gradually.Pretreatment is carried out to the dense waste gas of height that digester produces, improves treatment effeciency.
The spray liquid adopted in spray scrubbing tower is sodium hydroxide solution.Exhaust-carrying device is air-introduced machine 200.Exhaust emission device comprises blower fan 610 and chimney 620.
Last it is noted that these are only the preferred embodiment of the application; be not limited to the application; although with reference to embodiment to present application has been detailed description; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; but within all spirit in the application and principle; any amendment of doing, equivalent replacement, improvement etc., within the protection domain that all should be included in the application.
Claims (8)
1. change a slurry workshop stench processing system, it is characterized in that:
Comprise the waste gas collection device of several parallel connections set gradually, several waste gas pre-treating devices, exhaust-carrying device, exhaust gas absorption device, wasted nickel catalyst device, exhaust emission device,
Several waste gas pre-treating devices described with several waste gas collection device one_to_one corresponding described and each emission-control equipment waste gas collection device corresponding with it be arranged in series,
Waste gas collected by several waste gas collection devices described all mixes and is aggregated into described exhaust-carrying device,
The spray scrubbing tower that described exhaust gas absorption device comprises some parallel connections and the absorbent charcoal adsorber of connecting with the spray scrubbing tower of described some parallel connections, the output of the spray scrubbing tower of described some parallel connections is connected to described absorbent charcoal adsorber,
The output of described exhaust gas absorption device is also provided with the waste gas washing liquid bath for collecting waste gas cleaning solution.
2. oneization slurry workshop according to claim 1 stench processing system, is characterized in that: several waste gas collection devices described comprise digester waste gas collection device, spraying pot waste gas collection device, washing facility waste gas collection device, black liquor vaporizing system off gas gathering-device, caustic room alkali recovery furnace waste gas collection device.
3. oneization slurry workshop according to claim 1 stench processing system, is characterized in that: described waste gas pre-treating device comprises digester waste gas pre-treating device, spraying pot waste gas pre-treating device, washing facility waste gas pre-treating device, black liquor vaporizing system off gas pretreatment unit, caustic room alkali recovery furnace waste gas pre-treating device.
4. oneization slurry workshop according to claim 3 stench processing system, is characterized in that: described spraying pot waste gas pre-treating device comprises the spraying pot waste gas buffer tank, the spraying pot waste gas light oxygen processor that set gradually.
5. oneization slurry workshop according to claim 3 stench processing system, is characterized in that: described digester waste gas pre-treating device comprises the digester waste gas B groove, digester waste gas cyclone separator, digester exhaust-heat exchanger, digester spray tower for waste gas, digester waste gas buffer tank, the digester waste gas light oxygen processor that set gradually.
6. oneization slurry workshop according to claim 1 stench processing system, is characterized in that: the spray liquid adopted in described spray scrubbing tower is sodium hydroxide solution.
7. oneization slurry workshop according to claim 1 stench processing system, is characterized in that: described exhaust-carrying device is air-introduced machine.
8. oneization slurry workshop according to claim 1 stench processing system, is characterized in that: described exhaust emission device comprises blower fan and chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510320814.8A CN104941416A (en) | 2015-06-12 | 2015-06-12 | Odor treating system for chemical slurry workshop |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510320814.8A CN104941416A (en) | 2015-06-12 | 2015-06-12 | Odor treating system for chemical slurry workshop |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178929A (en) * | 2016-07-11 | 2016-12-07 | 湖南屎壳郎环境科技有限公司 | A kind of livestock and poultry farm foul smell smoke gas treatment system and method |
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| CN202638247U (en) * | 2012-04-17 | 2013-01-02 | 马卫军 | Purification system suitable for high temperature waste gas with organic pollutants |
| CN104437052A (en) * | 2014-11-17 | 2015-03-25 | 芒市海华开发有限公司 | Chemical laboratory waste gas treating method and chemical laboratory waste gas treating device |
| CN204799084U (en) * | 2015-06-12 | 2015-11-25 | 重庆理文造纸有限公司 | Change thick liquid workshop odor treatment system |
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2015
- 2015-06-12 CN CN201510320814.8A patent/CN104941416A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202638247U (en) * | 2012-04-17 | 2013-01-02 | 马卫军 | Purification system suitable for high temperature waste gas with organic pollutants |
| CN104437052A (en) * | 2014-11-17 | 2015-03-25 | 芒市海华开发有限公司 | Chemical laboratory waste gas treating method and chemical laboratory waste gas treating device |
| CN204799084U (en) * | 2015-06-12 | 2015-11-25 | 重庆理文造纸有限公司 | Change thick liquid workshop odor treatment system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178929A (en) * | 2016-07-11 | 2016-12-07 | 湖南屎壳郎环境科技有限公司 | A kind of livestock and poultry farm foul smell smoke gas treatment system and method |
| CN106178929B (en) * | 2016-07-11 | 2019-02-05 | 湖南屎壳郎环境科技有限公司 | A kind of livestock and poultry farm foul smell smoke gas treatment system and method |
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Application publication date: 20150930 |
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