CN213348299U - High-efficient organic waste gas active carbon adsorption steam desorption regenerating unit - Google Patents
High-efficient organic waste gas active carbon adsorption steam desorption regenerating unit Download PDFInfo
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- CN213348299U CN213348299U CN202022214474.XU CN202022214474U CN213348299U CN 213348299 U CN213348299 U CN 213348299U CN 202022214474 U CN202022214474 U CN 202022214474U CN 213348299 U CN213348299 U CN 213348299U
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Abstract
The utility model provides a high-efficient organic waste gas activated carbon adsorption steam desorption regenerating unit, including two at least activated carbon adsorption beds, activated carbon adsorption bed's organic waste gas import is connected with organic waste gas pipeline and stoving gas pipeline respectively through tee bend switching-over valve, organic waste gas pipe connection has main blower and filter, the stoving gas pipeline is connected with the air inlet machine, activated carbon adsorption bed's organic waste gas export passes through exhaust duct and is connected with the chimney, the last exhaust control valve that is connected with of exhaust duct, activated carbon adsorption bed's steam inlet is connected with the steam and advances the pipe, activated carbon adsorption bed's steam outlet has concatenated at least one condenser through the steam exit tube, the comdenstion water export of condenser has the layering groove through the water piping connection, the layering groove is connected with solvent groove and wastewater disposal basin. The utility model discloses use steam desorption back, be connected with the air inlet machine through the gas pipeline that dries, the air inlet machine blows in the air or the air after the heating, takes away the moisture content in the active carbon to do not influence the re-absorption effect of active carbon.
Description
Technical Field
The utility model relates to an organic waste gas treatment facility field, in particular to high-efficient organic waste gas active carbon adsorption steam desorption regenerating unit.
Background
Volatile organic compounds in organic waste gas are called VOCs (volatile organic compounds), and in many industries of coating, printing, shoe manufacturing and chemical production, the production process of some industrial products is accompanied by discharge of a large amount of Volatile Organic Compound (VOCs) waste gas. VOCs is the precursor of photochemical reaction, when there is sunshine to shine, VOCs and NOx and other suspended chemical substance take place a series of photochemical reactions under the appropriate condition, mainly produce ozone, form the photochemical smog, thus take place the photochemical pollution; photochemical smog can stimulate eyes and respiratory systems of people, some VOCs also have strong pungent smell, and uncomfortable feeling is generated when certain concentration is reached in the air, so that the air quality is influenced; toxic VOCs (such as aromatic hydrocarbon) gas exists in the environment, which can damage the health of people, and can cause canceration or other serious diseases after being exposed in polluted air for a long time, such as benzene damaging the hematopoietic function of bone marrow, which is a carcinogen; toluene and xylene have a strong anesthetic effect on central nerves; vinyl chloride is a carcinogen. Therefore, the treatment of the VOCs in the organic waste gas is imperative.
In the actual production process, according to different situations, the selection of a proper method is the key of organic waste gas treatment. At present, the treatment technology of organic waste gas mainly comprises two types: one is recovery technology and one is destruction technology. Activated carbon adsorption is one of recovery technology, but only when adsorbing, activated carbon will reach saturation to certain stage, can't adsorb again, at this moment or change activated carbon, or just need carry out the desorption to activated carbon, it is a commonly used mode to carry out the desorption through catalytic combustion bed desorption equipment, but this kind of mode equipment cost is high, and middle and small enterprises can't bear, and when utilizing steam to carry out the desorption, mainly let in steam, with low costs, be fit for middle and small enterprises. However, the existing steam desorption process is not complete enough, and after the steam is introduced for desorption, moisture remains in the activated carbon, and the adsorption effect is influenced when the activated carbon is re-adsorbed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-efficient organic waste gas active carbon adsorption steam desorption regenerating unit has solved among the prior art after vapour is desorbed the active carbon, remains moisture content in the active carbon, influences the adsorbed defect again of active carbon.
The technical scheme of the utility model is realized like this:
a high-efficiency organic waste gas activated carbon adsorption steam desorption regeneration device comprises at least two activated carbon adsorption beds, an organic waste gas inlet of each activated carbon adsorption bed is respectively connected with an organic waste gas pipeline and a drying gas pipeline through a three-way reversing valve, the organic waste gas pipeline is connected with a main fan and a filter, the drying gas pipeline is connected with a heater, air inlet machine and air cleaner, the organic waste gas outlet of active carbon adsorption bed passes through exhaust duct and is connected with the chimney, the last exhaust control valve that is connected with of exhaust duct, the steam inlet of active carbon adsorption bed is connected with steam and advances the pipe, the steam outlet of active carbon adsorption bed has concatenated at least one condenser through the steam exit tube, the comdenstion water export of condenser has the layering groove through the drain pipe connection, the upper portion in layering groove is connected with the solvent groove, the sub-unit connection in layering groove has the wastewater disposal basin, the cooling medium access connection of condenser has the cooling medium to advance the pipe.
Further, the air filter is a dust filter.
Further, the heater is an electric heater.
Furthermore, the activated carbon adsorption bed comprises a tank body and an activated carbon adsorption layer arranged in the tank body.
Further, the filter is a dust filter.
Furthermore, the cooling medium inlet pipe is connected with a cold water pump, and the cooling medium is cooling water or cooling brine.
Furthermore, the cooling medium inlet pipe is connected with a cold air fan, and the cooling medium is cold air.
Further, the number of the condensers is two.
The utility model has the advantages that: the active carbon adsorption bed of the utility model is connected with the air inlet machine through the drying air pipeline, and the air inlet machine blows air to take away the moisture in the active carbon, thereby not influencing the re-adsorption effect of the active carbon; after the air is added back to the heater, the air blown in from the air inlet machine is heated by the heater to have a certain temperature, so that the drying speed of the activated carbon is accelerated; after the air filter is added, air for drying the active carbon can be filtered and blown in, so that the active carbon is prevented from adsorbing too much dust to influence the adsorption effect of the organic waste gas; the multistage condenser is adopted, so that the condensing effect can be improved; the solvent tank is used for treating the organic solvent floating on the upper layer of the layering tank.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a high-efficiency organic waste gas activated carbon adsorption steam desorption regeneration device comprises at least two activated carbon adsorption beds 1, an organic waste gas inlet of the activated carbon adsorption bed 1 is respectively connected with an organic waste gas pipeline 21 and a drying gas pipeline 31 through a three-way reversing valve 11, the organic waste gas pipeline 21 is connected with a main fan 22 and a filter 23, the drying gas pipeline 31 is connected with a heater 33, an air inlet fan 32 and an air filter 34, an organic waste gas outlet of the activated carbon adsorption bed 1 is connected with a chimney 42 through an exhaust pipeline 41, the exhaust pipeline 41 is connected with an exhaust control valve 43, a steam inlet of the activated carbon adsorption bed 1 is connected with a steam inlet pipe 51, a steam outlet of the activated carbon adsorption bed 1 is connected with at least one condenser 53 in series through a steam outlet pipe 52, a condensed water outlet of the condenser 53 is connected with a layering tank 55 through a drain pipe 54, the upper part, a waste water tank 57 is connected to a lower portion of the layering tank 55, and a cooling medium inlet of the condenser 53 is connected to a cooling medium inlet pipe 58.
Further, the air filter 34 is a dust filter.
Further, the heater 33 is an electric heater.
Further, the activated carbon adsorption bed 1 comprises a tank body and an activated carbon adsorption layer arranged in the tank body.
Further, the filter 23 is a dust filter.
Further, the cooling medium inlet pipe 58 is connected to a cold water pump 59, and the cooling medium is cooling water or cooling brine. Or the cooling medium inlet pipe is connected with a cold air fan, and the cooling medium is cold air.
Further, the number of the condensers 53 is two.
In the adsorption, the organic waste gas is filtered by the filter 23, and then passes through the activated carbon adsorption bed 1, and the organic substances in the organic waste gas are adsorbed by the activated carbon in the activated carbon adsorption bed 1 and then discharged through the exhaust duct 41 and the stack 42.
During desorption, steam is reversely introduced into the activated carbon adsorption bed 1 through the steam inlet pipe 51, water molecules in a high-temperature state have high affinity to activated carbon micropores, so that organic matters adsorbed on the activated carbon are replaced, a desorption product is a mixture of the steam and organic gas, the mixture is sent into the condenser 53 through the steam outlet pipe 52 to be condensed, condensate flows into the layering tank 55, layering is formed in the layering tank 55 according to organic components and water-insoluble properties, generally, the organic solvent has a density smaller than that of water and is statically placed on the upper layer of the layering tank 55, the organic solvent continuously overflows into the solvent tank 56 in the desorption process, and wastewater is discharged into the wastewater tank 57.
After desorption, the air inlet machine 32 works, fresh air passes through the air filter 34, the air inlet machine 32 and the heater 33 to form dried air with a certain temperature, and the dried air sweeps and dries the activated carbon in the activated carbon adsorption bed 1 to take away moisture in the activated carbon, so that the next round of adsorption work is prevented from being influenced.
The active carbon adsorption bed 1 of the utility model is connected with the air inlet machine 32 through the drying air pipeline 31, and the air inlet machine 32 blows air to take away the moisture in the active carbon, thereby not influencing the re-adsorption effect of the active carbon; after the air is heated back to the heater 33, the air blown in from the air inlet machine 32 is heated by the heater 33 to have a certain temperature, so that the drying speed of the activated carbon is increased; after the air filter 34 is added, air for drying the activated carbon can be filtered and blown in, so that the activated carbon is prevented from adsorbing too much dust to influence the adsorption effect of the organic waste gas; the multistage condenser 53 is adopted, so that the condensing effect can be improved; the solvent tank 56 is used for treating the organic solvent floating on the upper layer of the layering tank.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a high-efficient organic waste gas active carbon adsorption steam desorption regenerating unit which characterized in that: the device comprises at least two activated carbon adsorption beds, wherein an organic waste gas inlet of each activated carbon adsorption bed is respectively connected with an organic waste gas pipeline and a drying gas pipeline through a three-way reversing valve, the organic waste gas pipeline is connected with a main fan and a filter, the drying gas pipeline is connected with a heater, an air inlet machine and an air filter, an organic waste gas outlet of each activated carbon adsorption bed is connected with a chimney through an exhaust pipeline, an exhaust control valve is connected onto the exhaust pipeline, a steam inlet of each activated carbon adsorption bed is connected with a steam inlet pipe, a steam outlet of each activated carbon adsorption bed is connected with at least one condenser in series through a steam outlet pipe, a condensate outlet of each condenser is connected with a layering tank through a drain pipe, the upper part of each layering tank is connected with a solvent tank, the lower part of each layering tank is connected with a.
2. The high-efficiency organic waste gas activated carbon adsorption steam desorption regeneration device as claimed in claim 1, characterized in that: the air filter is a dust filter.
3. The high-efficiency organic waste gas activated carbon adsorption steam desorption regeneration device as claimed in claim 1, characterized in that: the heater is an electric heater.
4. The high-efficiency organic waste gas activated carbon adsorption steam desorption regeneration device as claimed in claim 1, characterized in that: the active carbon adsorption bed comprises a tank body and an active carbon adsorption layer arranged in the tank body.
5. The high-efficiency organic waste gas activated carbon adsorption steam desorption regeneration device as claimed in claim 1, characterized in that: the filter is a dust filter.
6. The high-efficiency organic waste gas activated carbon adsorption steam desorption regeneration device as claimed in claim 1, characterized in that: the cooling medium inlet pipe is connected with a cold water pump, and the cooling medium is cooling water or cooling brine.
7. The high-efficiency organic waste gas activated carbon adsorption steam desorption regeneration device as claimed in claim 1, characterized in that: the cooling medium inlet pipe is connected with a cold air fan, and the cooling medium is cold air.
8. The high-efficiency organic waste gas activated carbon adsorption steam desorption regeneration device as claimed in claim 1, characterized in that: the number of the condensers is two.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022214474.XU CN213348299U (en) | 2020-10-09 | 2020-10-09 | High-efficient organic waste gas active carbon adsorption steam desorption regenerating unit |
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| CN202022214474.XU CN213348299U (en) | 2020-10-09 | 2020-10-09 | High-efficient organic waste gas active carbon adsorption steam desorption regenerating unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768463A (en) * | 2022-03-23 | 2022-07-22 | 山东保蓝环保工程有限公司 | Multidimensional zeolite adsorption, desorption, condensation and recovery device |
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- 2020-10-09 CN CN202022214474.XU patent/CN213348299U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114768463A (en) * | 2022-03-23 | 2022-07-22 | 山东保蓝环保工程有限公司 | Multidimensional zeolite adsorption, desorption, condensation and recovery device |
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