CN217312747U - Active carbon regenerating unit - Google Patents

Active carbon regenerating unit Download PDF

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Publication number
CN217312747U
CN217312747U CN202123234929.5U CN202123234929U CN217312747U CN 217312747 U CN217312747 U CN 217312747U CN 202123234929 U CN202123234929 U CN 202123234929U CN 217312747 U CN217312747 U CN 217312747U
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layer
activated carbon
spray
liquid
active carbon
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CN202123234929.5U
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姜丽
刘启凯
黄丹
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Xiyuan Environmental Protection Shanghai Co Ltd
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Xiyuan Environmental Protection Shanghai Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The utility model belongs to the technical field of biological deodorization, a active carbon regenerating unit is disclosed. The biological trickling filter comprises a shell, a liquid storage layer, an air inlet layer, a filler layer and a spraying layer, wherein the liquid storage layer, the air inlet layer, the filler layer and the spraying layer are positioned in the shell and are sequentially arranged from bottom to top; the fungus liquid jar that is linked together with the layer of admitting air to and the fan that is linked together with the layer of admitting air, wherein, spray the layer and be linked together with the stock solution layer, be formed with the gas outlet on the casing, treat that regeneration treatment's active carbon sets up in the filler layer, spray the layer structure and be able to spray the packing layer with the intraformational liquid that mixes the fungus liquid of fungus liquid jar of stock solution to degrade the foul smell composition in the intraformational active carbon of treating regeneration treatment of packing. The utility model discloses an active carbon regenerating unit economic benefits is high, operation running condition is simple, and regeneration efficiency is high.

Description

Active carbon regenerating unit
Technical Field
The utility model relates to a biological deodorization technical field, concretely relates to active carbon regenerating unit.
Background
Hydrogen sulfide is a toxic gas with smelly eggs, has strong stimulation to mucous membranes, can cause damage to the central nervous system and respiratory system, and can cause harm to human health and growth of animals and plants in the presence of different concentrations, thereby polluting the ecological environment. The hydrogen sulfide is a main component of malodorous gas generated in the sewage conveying and treating process, and is easy to cause acidic corrosion to metal equipment and pipe fittings under the condition of water, in addition to possible harm to human bodies and ecological environment.
The use of activated carbon in the presence of certain oxygen and humidity to adsorb hydrogen sulfide from gases has proven to be an economical and efficient process. Since the adsorption material is accumulated in the activated carbon pore passage, the adsorption capacity of the activated carbon is reduced with time, and thus regeneration is required. The most widely used and mature regeneration method at present is a thermal regeneration method, and the method usually uses water vapor or inert gas as carrier gas to activate and regenerate the activated carbon. The thermal regeneration method has the advantages of short regeneration time, high regeneration efficiency, no special requirements on adsorbed substances and the like, but the loss of the activated carbon in the regeneration process is large and is about 5 to 15 percent, and the mechanical strength of the activated carbon regenerated by the method is low.
Therefore, an activated carbon regeneration device with high regeneration efficiency, high economic benefit and small secondary pollution is needed.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the utility model provides an active carbon regenerating device which has high economic benefit, simple operation and running conditions and high regenerating efficiency.
According to the utility model discloses an active carbon regenerating unit, include: the biological trickling filter comprises a shell, a liquid storage layer, an air inlet layer, a packing layer and a spraying layer, wherein the liquid storage layer, the air inlet layer, the packing layer and the spraying layer are arranged in the shell in sequence from bottom to top; the bacteria liquid tank is communicated with the air inlet layer, and the fan is communicated with the air inlet layer and is used for feeding air into the air inlet layer. Wherein, spray the layer and be linked together with the stock solution layer, be formed with the gas outlet on the casing, treat regeneration treatment's active carbon setting in the filler layer, spray the layer structure and be can spray the packing layer with the intraformational liquid that thoughtlessly has the bacterial in the fungus liquid jar of stock solution to degrade the foul smell composition in the intraformational active carbon of treating regeneration treatment of filler.
Further, the activated carbon to be subjected to regeneration treatment includes a plurality of activated carbon particles disposed in the filler layer.
Furthermore, the liquid storage layer is communicated with the spraying layer through a circulating pipeline, and a circulating spraying pump is arranged on the circulating pipeline.
Further, the bacteria liquid tank is communicated with the air inlet layer through a bacteria liquid pipeline, and the bacteria liquid pump is arranged on the bacteria liquid pipeline.
Further, the spray layer includes a plurality of nozzles positioned above the filler layer, each nozzle being disposed toward the filler layer.
Furthermore, the activated carbon regeneration device also comprises a device for detecting SO in the liquid sprayed out of the spraying layer 4 2- A concentration value monitoring device.
Further, the odor component in the activated carbon to be regenerated is hydrogen sulfide, and the strain in the bacteria liquid tank is Acidithiobacillus acidithii extremely.
Further, an air outlet is formed at the top of the housing.
Further, the activated carbon regeneration device also comprises a flushing device which is used for washing the activated carbon after the odor components in the activated carbon to be regenerated are removed.
Furthermore, the activated carbon regeneration device also comprises a drying device for drying the activated carbon washed by the washing device.
Compared with the prior art, the utility model discloses an active carbon regenerating unit is particularly useful for adsorbing low concentration hydrogen sulfide (concentration is at 15mg/m usually) 3 Below) the saturated activated carbon to be regenerated is regenerated, the whole operation condition is simple, and the requirements on the operation temperature and the spraying water quality are simpleAnd the like has no special requirements, the construction and operation cost is low, and the loss of the active carbon can not be generated in the process. In addition, because the hydrogen sulfide belongs to an inorganic substance which is easy to biodegrade, a large amount of viscous metabolites cannot be generated in the process of active carbon biotrickling regeneration, the active carbon cannot be adversely affected, and secondary sludge pollutants cannot be generated in the process of regeneration.
Drawings
Fig. 1 is a schematic structural diagram of an activated carbon regeneration device according to the present invention.
Detailed Description
For better understanding of the purpose, structure and function of the present invention, the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 shows a structure of an activated carbon regeneration apparatus 100 according to an embodiment of the present invention. It includes: the biological trickling filter 1 comprises a shell 11, and a liquid storage layer 12, an air inlet layer 13, a packing layer 14 and a spraying layer 15 which are positioned in the shell 11 and are sequentially arranged from bottom to top; the bacteria liquid tank 2 is communicated with the air inlet layer 13, the bacteria liquid tank 2 is communicated with the air inlet layer 13 through a bacteria liquid pipeline 5, and a bacteria liquid pump 7 is arranged on the bacteria liquid pipeline 5; and the fan 3 is communicated with the air inlet layer 13, and the fan 3 is used for feeding air into the air inlet layer 13. Wherein, spray layer 15 and liquid storage layer 12 and link to each other through circulating line 4, be provided with circulation on the circulating line 4 and spray pump 6, be formed with gas outlet 16 on the casing 11, the active carbon (not shown in the figure) that treats regeneration sets up in packing layer 14, spray layer 15 and construct and to spray the packing layer 14 with the liquid that mixes the bacterial in the fungus liquid jar in the liquid storage layer 12 to degrade the foul smell composition in the active carbon that treats regeneration in packing layer 14.
The utility model discloses active carbon regenerating unit 100 can be put into bio-trickling filter 1's packing layer 14 with the active carbon (the active carbon after adsorbing the odor saturation promptly) of treating regeneration in advance at the during operation, then starts active carbon regenerating unit 100 operation. During the operation of the activated carbon regeneration device 100, the bacteria liquid pump 7 firstly degrades the bacteria species which can dominantly degrade the odor component (such as hydrogen sulfide) in the activated carbon to be regeneratedThe biological bacteria liquid is pumped into the liquid storage layer 12 at the bottom of the biological trickling filter 1, then the liquid in the liquid storage layer 12 is circularly pumped into the spraying layer 15 at the upper part of the biological trickling filter 1 by the circulating spraying pump 6, and the liquid is circularly sprayed to the packing layer 14 by a plurality of nozzles 151 (preferably arranged towards the packing layer 14) of the spraying layer 15 so as to continuously and circularly spray the activated carbon to be regenerated in the biological trickling filter. The microorganism liquid containing odor component (such as hydrogen sulfide) dominant degradation strain can contact with odor component in the active carbon in the circulating spraying process to gradually realize the consumption and degradation of the odor component in the active carbon, for example, when the odor component is hydrogen sulfide, the odor component can be finally degraded into SO 4 2- And enters the liquid storage layer 12 along with the circulating spray water. In the bio-trickling filter regeneration process, fresh air is blown into the bio-trickling filter 1 through the fan 3 and is combined with the air outlet 16 of the bio-trickling filter 1 to maintain the aerobic environment of the packing layer 14 in the bio-trickling filter 1.
Preferably, the air outlet 16 may be formed at the top of the housing 11, and its cooperation with the fan 3 may keep all areas inside the housing 11 with fresh air all the time, thereby helping to better maintain the aerobic environment of the packing layer 14 inside the biotrickling filter 1.
According to the utility model discloses, the foul smell composition in the active carbon of treating regeneration treatment can be for hydrogen sulfide, and the bacterial of 2 in the fungus liquid jar can be extreme acidophilic thiobacillus.
In a preferred embodiment, the activated carbon to be regenerated may include a plurality of activated carbon to be regenerated disposed in the filler layer 14, that is, a plurality of activated carbon to be regenerated may be simultaneously disposed in the filler layer 14, so as to achieve simultaneous regeneration of the plurality of activated carbon to be regenerated, which helps to improve the regeneration efficiency of the activated carbon to be regenerated.
According to the utility model discloses, the utility model discloses activated carbon regenerating unit 100 is particularly useful for the regeneration to the activated carbon that treats regeneration treatment who contains the low concentration hydrogen sulfide composition of saturation, and activated carbon regenerating unit 100 still can be including being arranged in detecting the SO that sprays in layer 15 spun liquid 4 2- Means for monitoring the concentration values (not shown in the figures). In the regeneration of activated carbon to be regeneratedIn the process, SO in the spray water can be circularly sprayed 4 2- As an indicator, it is monitored as SO in the circulating spray water 4 2- When the concentration value reaches a stable value, it means that the degradation of the hydrogen sulfide adsorbate in the activated carbon is finished.
Further, the activated carbon regeneration apparatus 100 may further include a washing apparatus (not shown in the drawings) for washing the activated carbon after the odor component in the activated carbon to be regenerated is removed.
Furthermore, the activated carbon regeneration device further comprises a drying device (not shown in the figure) for drying the activated carbon washed by the washing device, so that the activated carbon to be regenerated can be regenerated.
The activated carbon regeneration device 100 of the embodiment of the present invention is used to regenerate the activated carbon to be regenerated (i.e. the activated carbon after absorbing the saturated odor) containing the saturated odor component, especially for the activated carbon containing the saturated low-concentration hydrogen sulfide (usually the concentration is 15 mg/m) 3 The following) components to be regenerated, the whole operation condition of the activated carbon is simple, the operating temperature, the spraying water quality and the like are not required, the construction and operation cost is low, and the loss of the activated carbon can not be generated in the process. In addition, because hydrogen sulfide belongs to the inorganic substance of easy biodegradation, can not produce a large amount of stickness metabolite among the active carbon biological trickling filter regeneration process, can not cause adverse effect to active carbon, can not produce mud secondary pollutant among the regeneration process.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. An activated carbon regeneration device, comprising:
the biological trickling filter comprises a shell, and a liquid storage layer, an air inlet layer, a filler layer and a spraying layer which are positioned in the shell and are sequentially arranged from bottom to top;
a bacteria liquid tank communicated with the air inlet layer, and
the fan is communicated with the air inlet layer and is used for feeding air into the air inlet layer,
wherein, spray the layer with the stock solution layer is linked together, be formed with the gas outlet on the casing, the active carbon setting of treating regeneration is in pack the in situ, it constructs to spray the layer can with the intraformational thoughtlessly of stock solution the liquid of the bacterial in the fungus liquid jar sprays extremely the packing layer, it is right to pack the intraformational odor component in the active carbon of treating regeneration and handle and degrade.
2. The activated carbon regeneration device of claim 1, wherein the activated carbon to be regenerated includes a plurality disposed in the filler layer.
3. The activated carbon regeneration device according to claim 1 or 2, wherein the liquid storage layer is communicated with the spray layer through a circulation pipeline, and a circulation spray pump is arranged on the circulation pipeline.
4. The activated carbon regeneration device according to claim 1 or 2, wherein the bacteria liquid tank is communicated with the air inlet layer through a bacteria liquid pipeline, and a bacteria liquid pump is arranged on the bacteria liquid pipeline.
5. The activated carbon regeneration device according to claim 1 or 2, wherein the spray layer includes a plurality of nozzles located above the filler layer, each of the nozzles being disposed toward the filler layer.
6. The activated carbon regeneration device according to claim 1 or 2, further comprising a sensor for detecting SO in the liquid sprayed from the spray layer 4 2- A concentration value monitoring device.
7. The activated carbon regeneration device according to claim 1 or 2, wherein an odor component in the activated carbon to be regenerated is hydrogen sulfide, and the bacterial species in the bacterial liquid tank is Acidithiobacillus acidocaldarius.
8. The activated carbon regeneration device according to claim 1 or 2, wherein the air outlet is formed at a top of the housing.
9. The activated carbon regeneration device according to claim 1 or 2, further comprising a washing device for washing the activated carbon with water after an odor component in the activated carbon to be regenerated is removed.
10. The activated carbon regeneration device according to claim 9, further comprising a drying device for drying the activated carbon washed by the washing device.
CN202123234929.5U 2021-12-21 2021-12-21 Active carbon regenerating unit Active CN217312747U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123234929.5U CN217312747U (en) 2021-12-21 2021-12-21 Active carbon regenerating unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123234929.5U CN217312747U (en) 2021-12-21 2021-12-21 Active carbon regenerating unit

Publications (1)

Publication Number Publication Date
CN217312747U true CN217312747U (en) 2022-08-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123234929.5U Active CN217312747U (en) 2021-12-21 2021-12-21 Active carbon regenerating unit

Country Status (1)

Country Link
CN (1) CN217312747U (en)

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