CN111821848A - Organic waste gas biological treatment method and device - Google Patents
Organic waste gas biological treatment method and device Download PDFInfo
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- CN111821848A CN111821848A CN202010806945.8A CN202010806945A CN111821848A CN 111821848 A CN111821848 A CN 111821848A CN 202010806945 A CN202010806945 A CN 202010806945A CN 111821848 A CN111821848 A CN 111821848A
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- waste gas
- filter
- biological
- pipe
- organic waste
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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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 invention relates to the technical field of organic waste gas treatment, and discloses an organic waste gas biological treatment device which comprises a waste gas pipe and a fan, wherein an air outlet pipe of the waste gas pipe is communicated with an air inlet of the fan, an air outlet of the fan is communicated with one end of the air pipe, the other end of the air pipe is communicated with the lower side of the left side wall of a filter box, a filter screen is fixedly arranged in an inner cavity of the filter box, the top of the filter box is communicated with one end of a guide pipe, the other end of the guide pipe is communicated with the lower side of the left side wall of the biological filter, the top of the biological filter is communicated with one end of the air outlet pipe, and the. According to the invention, the organic waste gas is decomposed by using microorganisms, and then simple micromolecular substances, carbon dioxide and water are formed, so that the secondary pollution effect is realized, the decomposition is thorough, the operation is convenient and fast, the operation cost is low, and the safety performance is high.
Description
Technical Field
The invention relates to the technical field of organic waste gas treatment, in particular to a biological treatment method and device for organic waste gas.
Background
The organic waste gas treatment refers to the treatment work of adsorbing, filtering and purifying the organic waste gas generated in the industrial production process. The organic waste gas treatment is generally carried out by an air purification treatment method of organic substances containing carbon, hydrogen and oxygen, such as formaldehyde organic waste gas treatment, benzene series organic waste gas treatment such as benzene toluene xylene, acetone butanone organic waste gas treatment, ethyl acetate waste gas treatment, oil mist organic waste gas treatment, furfural organic waste gas treatment, styrene and acrylic acid organic waste gas treatment, resin organic waste gas treatment, additive organic waste gas treatment, paint mist organic waste gas treatment, and Tianna water organic waste gas treatment.
The existing organic waste gas treatment method has high cost, potential safety hazard and poor treatment effect, so the method and the device for biologically treating the organic waste gas are provided.
Disclosure of Invention
The invention aims to provide a biological treatment method and a biological treatment device for organic waste gas, which solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an organic waste gas biological treatment device comprises a waste gas pipe and a fan, wherein an air outlet pipe of the waste gas pipe is communicated with an air inlet of the fan, an air outlet of the fan is communicated with one end of the air pipe, the other end of the air pipe is communicated with the lower side of the left side wall of a filter box, a filter screen is fixedly installed in an inner cavity of the filter box, the top of the filter box is communicated with one end of a guide pipe, the other end of the guide pipe is communicated with the lower side of the left side wall of a biological filter, the top of the biological filter is communicated with one end of an air outlet pipe, and the outer end of the air;
department installs the filler net frame in the middle of the inner chamber of biological filter, the inner chamber of filler net frame is filled with filler, the right side wall fixed mounting of biological filter has the liquid pump, the inlet of liquid pump and the one end intercommunication of first water pipe, the other end of first water pipe and the right side wall downside intercommunication of biological filter, the liquid outlet of liquid pump and the one end intercommunication of second water pipe, the other end of second water pipe runs through the right side wall and the fixedly connected with shower head of biological filter and the inner chamber upside of shower head as for biological filter.
As a preferred embodiment of the invention, a motor is fixedly installed at the bottom of the biological filter, and a transmission shaft of the motor penetrates through the bottom of the biological filter and is fixedly connected with a stirring rod.
In a preferred embodiment of the present invention, a gas flowmeter is inserted into an outer wall of the conduit.
As a preferred embodiment of the present invention, the filtering mechanism includes an activated carbon filter screen and a high efficiency HEPA filter screen, the activated carbon filter screen is fixedly installed at an outer end of the air outlet pipe, and the high efficiency HEPA filter screen is fixedly installed at an outer wall of the activated carbon filter screen.
In a preferred embodiment of the present invention, the biological treatment method comprises:
the method comprises the following steps: starting a fan to pump the waste gas into a filter box, and filtering impurities through a filter screen;
step two: the gas flow meter is used for adjusting the gas flow rate so that the gas concentration of the gas entering the biological filter is less than 200mg/m3；
Step three: starting the motor to drive the stirring rod to stir the gas, so that the gas is uniformly distributed and enters the filler to be decomposed;
step four: and starting the liquid pumps in sequence every three days to enable the spray liquid at the bottom of the biological filter to enter the spray header for spraying, wherein the spraying time is 20 min.
As a preferred embodiment of the invention, the temperature of the reaction in the biological filter is 18-25 ℃.
As a preferred embodiment of the invention, the biological filler is HSJ-XI type composite biological filler.
In a preferred embodiment of the present invention, the bottom of the inner cavity of the biological filter 7 is filled with a soluble inorganic salt nutrient solution, and the liquid level of the soluble inorganic salt nutrient solution is lower than the air inlet of the biological filter 7.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the organic waste gas is decomposed by using microorganisms, and then simple micromolecular substances, carbon dioxide and water are formed, so that the secondary pollution effect is realized, the decomposition is thorough, the operation is convenient and fast, the operation cost is low, and the safety performance is high.
2. According to the invention, the stirring rod is driven by the motor to stir, so that the waste gas is uniformly distributed and then enters the filling frame, and the completeness of decomposition is further improved.
3. The invention controls the volume of the gas entering the biological filter through the gas flowmeter, thereby controlling the concentration of the gas and ensuring that the concentration of the entering gas is less than 200mg/m3Thereby fully decomposing, and avoiding the conditions that the concentration is too high and the decomposition rate is reduced.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the overall structure of a biological treatment method and apparatus for organic waste gas according to the present invention;
FIG. 2 is a schematic structural diagram of a filtering mechanism of a biological treatment method and device for organic waste gas according to the present invention.
In the figure: 1. an exhaust gas pipe; 2. a fan; 3. an air tube; 4. a filter box; 5. a filter screen; 6. a conduit; 7. a biological filter; 8. a liquid pump; 9. a filler screen frame; 10. an air outlet pipe; 11. a filtering mechanism; 12. a motor; 13. soluble inorganic salt nutrient solution; 14. a first water pipe; 15. a second water pipe; 16. a shower head; 17. an active carbon filter screen; 18. a high-efficiency HEPA filter screen; 19. a gas flow meter; 20. a stirring rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, the present invention provides a technical solution: an organic waste gas biological treatment device comprises a waste gas pipe 1 and a fan 2, wherein an air outlet pipe of the waste gas pipe 1 is communicated with an air inlet of the fan 2, an air outlet of the fan 2 is communicated with one end of an air pipe 3, the other end of the air pipe 3 is communicated with the lower side of the left side wall of a filter box 4, a filter screen 5 is fixedly installed in an inner cavity of the filter box 4, the top of the filter box 4 is communicated with one end of a guide pipe 6, the other end of the guide pipe 6 is communicated with the lower side of the left side wall of a biological filter 7, the top of the biological filter 7 is communicated with one end of an air outlet pipe 10, and the outer end of the air outlet pipe;
department installs filler net frame 9 in the middle of biological filter 7's the inner chamber, filler net frame 9's inner chamber is filled with the filler, biological filter 7's right side wall fixed mounting has liquid pump 8, liquid pump 8's inlet and the one end intercommunication of first water pipe 14, the other end of first water pipe 14 and biological filter 7's right side wall downside intercommunication, liquid pump 8's liquid outlet and second water pipe 15's one end intercommunication, the other end of second water pipe 15 runs through biological filter 7's right side wall and fixedly connected with shower head 16 and shower head 16 as to biological filter 7's inner chamber upside.
Referring to fig. 1 in the present embodiment, a motor 12 is fixedly installed at the bottom of the biological filter 7, a transmission shaft of the motor 12 penetrates through the bottom of the biological filter 7 and is fixedly connected with a stirring rod 20, and the stirring rod 20 is driven by the motor 12 to stir, so that the gas is uniformly distributed.
In this embodiment, referring to fig. 1, a gas flowmeter 19 is inserted into an outer wall of the conduit 6, and can control the flow rate of the gas entering, thereby controlling the gas concentration.
In this embodiment, referring to fig. 2, the filtering mechanism 11 includes an activated carbon filter 17 and a high efficiency HEPA filter 18, the activated carbon filter 17 is fixedly installed at an outer end of the air outlet pipe 10, and the high efficiency HEPA filter 18 is fixedly installed at an outer wall of the activated carbon filter 17, so that exhausted air can be further filtered, and air can be purified to the greatest extent.
In the present embodiment, referring to fig. 1, the biological treatment method is as follows:
the method comprises the following steps: starting a fan 2 to pump waste gas into a filter box 4, and filtering impurities through a filter screen 5;
step two: the gas flow meter 19 is used for adjusting the gas concentration of the gas entering the biological filter 7 to be less than 200mg/m3；
Step three: starting the motor 12 to drive the stirring rod 20 to stir the gas, so that the gas is uniformly distributed into the filler to be decomposed;
step four: and starting the liquid pump 8 in sequence every three days to enable the spray liquid at the bottom of the biological filter 7 to enter the spray header 16 for spraying, wherein the spraying time is 20 min.
Referring to FIG. 1, the temperature of the reaction in the biological filter 7 is 18-25 ℃.
Referring to FIG. 1, the bio-filler in this example is HSJ-XI type composite bio-filler.
Referring to fig. 1 in this embodiment, a soluble inorganic salt nutrient solution 13 is filled at the bottom of an inner cavity of the biological filter 7, and a liquid level of the soluble inorganic salt nutrient solution 13 is lower than an air inlet of the biological filter 7.
When the method and the device for biologically treating organic waste gas are used, it should be noted that the invention is the method and the device for biologically treating organic waste gas, all components are general standard components or components known by those skilled in the art, and the structure and the principle of the method and the device can be known by technical manuals or conventional experimental methods.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an organic waste gas biological treatment device, includes waste gas pipe (1) and fan (2), its characterized in that: the air outlet pipe of the waste gas pipe (1) is communicated with the air inlet of the fan (2), the air outlet of the fan (2) is communicated with one end of the air pipe (3), the other end of the air pipe (3) is communicated with the lower side of the left side wall of the filter box (4), a filter screen (5) is fixedly installed in the inner cavity of the filter box (4), the top of the filter box (4) is communicated with one end of the guide pipe (6), the other end of the guide pipe (6) is communicated with the lower side of the left side wall of the biological filter (7), the top of the biological filter (7) is communicated with one end of the air outlet pipe (10), and the outer end of the air outlet pipe (10) is communicated with the filter mechanism (11);
department installs filler net frame (9) in the middle of the inner chamber of biological filter (7), the inner chamber of filler net frame (9) is filled with the filler, the right side wall fixed mounting of biological filter (7) has liquid pump (8), the inlet of liquid pump (8) and the one end intercommunication of first water pipe (14), the other end of first water pipe (14) and the right side wall downside intercommunication of biological filter (7), the liquid outlet of liquid pump (8) and the one end intercommunication of second water pipe (15), the other end of second water pipe (15) runs through right side wall and the fixedly connected with shower head (16) and shower head (16) of biological filter (7) and is as for the inner chamber upside of biological filter (7).
2. The organic waste gas biological treatment device according to claim 1, characterized in that: the bottom fixed mounting of biological filter (7) has motor (12), the transmission shaft of motor (12) runs through bottom and the fixedly connected with puddler (20) of biological filter (7).
3. The organic waste gas biological treatment device according to claim 1, characterized in that: and a gas flowmeter (19) is inserted into the outer wall of the guide pipe (6).
4. The organic waste gas biological treatment device according to claim 1, characterized in that: filtering mechanism (11) include activated carbon filter screen (17) and high-efficient HEPA filter screen (18), activated carbon filter screen (17) fixed mounting and the outer end of outlet duct (10), high-efficient HEPA filter screen (18) fixed mounting is in the outer wall of activated carbon filter screen (17).
5. The biological treatment method for organic waste gas according to claim 1, characterized in that: the biological treatment method comprises the following steps:
the method comprises the following steps: starting a fan (2) to pump waste gas into a filter box (4) and filtering impurities through a filter screen (5);
step two: the gas flow meter (19) is used for adjusting so that the gas concentration of the gas entering the biological filter (7) is less than 200mg/m3；
Step three: starting the motor (12) to drive the stirring rod (20) to stir the gas, so that the gas is uniformly distributed and enters the filler to be decomposed;
step four: and starting the liquid pump (8) in turn every three days to enable the spray liquid at the bottom of the biological filter (7) to enter the spray header (16) for spraying, wherein the spraying time is 20 min.
6. The method for biologically treating an organic waste gas according to claim 5, wherein: the temperature of the internal reaction of the biological filter (7) is 18-25 ℃.
7. The method for biologically treating an organic waste gas according to claim 5, wherein: the biological filler is HSJ-XI type composite biological filler.
8. The method for biologically treating an organic waste gas according to claim 5, wherein: the bottom of the inner cavity of the biological filter (7) is filled with soluble inorganic salt nutrient solution (13), and the liquid level of the soluble inorganic salt nutrient solution (13) is lower than the air inlet of the biological filter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010806945.8A CN111821848A (en) | 2020-08-12 | 2020-08-12 | Organic waste gas biological treatment method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010806945.8A CN111821848A (en) | 2020-08-12 | 2020-08-12 | Organic waste gas biological treatment method and device |
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| CN202010806945.8A Pending CN111821848A (en) | 2020-08-12 | 2020-08-12 | Organic waste gas biological treatment method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114849453A (en) * | 2022-05-30 | 2022-08-05 | 山东珺宜环保科技有限公司 | Spraying device for waste gas treatment |
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| US4723968A (en) * | 1986-03-12 | 1988-02-09 | Keramchemie Gmbh | Method and apparatus for the purification of waste air containing biologically decomposable impurities |
| CN206372621U (en) * | 2016-12-01 | 2017-08-04 | 广州怡海环保科技有限公司 | A kind of chemical industry tail gas purifies absorption plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114849453A (en) * | 2022-05-30 | 2022-08-05 | 山东珺宜环保科技有限公司 | Spraying device for waste gas treatment |
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Application publication date: 20201027 |