CN109806760B - Temperature-adjusting and humidity-adjusting biological filter device and application method thereof - Google Patents
Temperature-adjusting and humidity-adjusting biological filter device and application method thereof Download PDFInfo
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- CN109806760B CN109806760B CN201910263964.8A CN201910263964A CN109806760B CN 109806760 B CN109806760 B CN 109806760B CN 201910263964 A CN201910263964 A CN 201910263964A CN 109806760 B CN109806760 B CN 109806760B
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- 238000000034 method Methods 0.000 title claims description 18
- 239000007789 gas Substances 0.000 claims abstract description 115
- 239000010815 organic waste Substances 0.000 claims abstract description 115
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000007921 spray Substances 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 244000005700 microbiome Species 0.000 claims abstract description 35
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 239000000945 filler Substances 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 17
- 239000012528 membrane Substances 0.000 claims abstract description 17
- 238000012856 packing Methods 0.000 claims description 39
- 230000001105 regulatory effect Effects 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 21
- 239000000498 cooling water Substances 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 11
- 235000015097 nutrients Nutrition 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 241000894006 Bacteria Species 0.000 claims description 4
- 230000004060 metabolic process Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 230000001580 bacterial effect Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 230000002503 metabolic effect Effects 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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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
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- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a temperature-adjusting and humidity-adjusting biological filtering device which comprises a filtering tower, an organic waste gas input pipe, a liquid supply tank and a control device, wherein a screen is arranged in the middle of the filtering tower, a filler layer loaded with bacterial microorganisms is filled on the screen, a plurality of layers of membrane cloth are stacked on the lower part of the filtering tower, water is stored in the liquid supply tank, the filtering tower penetrates into a microorganism spray pipe, the filler layer cannot leak water to the bottom of the filtering tower, a temperature adjusting structure, a humidity adjusting structure and the control device are arranged on the organic waste gas input pipe, and the control device is respectively connected with the temperature adjusting structure and the humidity adjusting structure and controls the temperature adjusting structure and the humidity adjusting structure to operate. The invention has the advantages of adjustable temperature and humidity and convenient cleaning of the filter tower.
Description
Technical Field
The invention belongs to the technical field of waste gas treatment, and particularly relates to a temperature and humidity regulating biological filter device and a use method thereof.
Background
VOCs (volatile organic pollutants) are one of the organic waste gases as precursors for ozone generation. One of the conventionally employed organic waste gas treatment techniques is a method for treating organic waste gas by spraying and biological decomposition. The method has the advantages that the microorganism takes the organic waste gas as a growth carbon source and an energy source, the organic waste gas is oxidized into inorganic matters, and the degradation efficiency is high. However, the biological trickling filtration method has the defects that the growth of microorganisms is not well controlled, the temperature is possibly higher and the temperature is possibly lower when organic waste gas is filled, the survival of the microorganisms is affected, and as the microorganisms are required to be continuously sprayed, a water tank is required to be arranged below a filtering tower to receive water, and the microorganisms can produce metabolic wastes and fall into the water tank to be precipitated, so that the more the sludge at the bottom of the water tank is deposited, the more the sludge is difficult to clean.
Disclosure of Invention
The invention aims to solve the technical problem of providing a temperature and humidity regulating biological filter device and a use method thereof aiming at the defects of the prior art.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a temperature and humidity conditioning biological filtration device, wherein: comprises a filter tower, an organic waste gas input pipe, a liquid supply tank and a control device, wherein the upper part of the filter tower is provided with an air outlet, the middle part of the filter tower is provided with a screen, the screen is filled with a filler layer loaded with bacteria microorganisms, the lower part of the filter tower is overlapped with a plurality of layers of membrane cloth, the membrane cloth completely covers the lower surface in the filter tower, the organic waste gas input pipe horizontally stretches into the filter tower, the part of the organic waste gas input pipe stretching into the filter tower is positioned below the screen, a plurality of organic waste gas nozzles are arranged, the liquid supply tank is arranged near the filter tower, water is stored in the liquid supply tank, the filter tower is penetrated with a microorganism spray pipe, the part of the microorganism spray pipe positioned in the filter tower is horizontally arranged above the filler layer, a plurality of spray nozzles are arranged on the microorganism spray pipe, the spray nozzles face the filler layer, the part of the microorganism spray pipe positioned outside the filter tower is connected with a first submersible pump, the first submersible pump is arranged in the liquid supply tank, the first submersible pump can pump water in the liquid supply tank into the microorganism spray pipe and spray the microorganism spray pipe through the spray nozzle, when the water spraying amount is required to be that the organic waste gas input pipe does not input organic waste gas, the packing layer is kept moist, the packing layer cannot leak water to the bottom of the filtering tower, the organic waste gas input pipe is provided with a temperature regulating structure, the temperature regulating structure comprises a first thermometer, a cooling loop and a second thermometer, the first thermometer, the cooling loop and the second thermometer are sequentially arranged on the organic waste gas input pipe along the flow direction of the organic waste gas, the detection ends of the first thermometer and the second thermometer are inserted into the organic waste gas input pipe and used for measuring the temperature of the organic waste gas, the cooling loop is coiled on the organic waste gas input pipe in a serpentine shape, the cooling loop is connected with an external cooling water source, and the external cooling water source can inject cooling water into the cooling loop; the organic waste gas input pipe is still equipped with humidity regulation and control structure, humidity regulation and control structure includes the second immersible pump, humidity regulation pipe, a plurality of humidity regulation shower nozzle and back flow, the second immersible pump is put in the liquid feed pond, humidity regulation pipe one end is connected with the second immersible pump, humidity regulation shower nozzle is connected to the other end, humidity regulation shower nozzle is fixed in organic waste gas input pipe, back flow upper end and organic waste gas input pipe butt joint, the interface is located between humidity regulation shower nozzle and the organic waste gas spout, the lower extreme is submerged in the aquatic of liquid feed pond, be fixed with a plurality of humidity detector on the filter tower, humidity detector inserts the different heights at the packing layer, be used for detecting packing layer humidity, controlling means is connected with humidity detector respectively, first thermometer and second thermometer, and can receive three's information, controlling means still is connected with first immersible pump respectively, second immersible pump and external cooling water source, and control three operation.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the liquid supply tank is connected with a nutrient solution pipe which is used for periodically injecting nutrient solution for maintaining the metabolism of bacterial microorganisms into the water in the liquid supply tank.
The side surface of the bottom of the filtering tower is provided with the openable door, and when the door is opened, people can enter and exit the lower part of the filtering tower.
The temperature of the organic waste gas sprayed from the organic waste gas nozzle is 20-40 ℃.
The filler used in the filler layer is one or more of ceramic raschig rings, biological ceramic particles and activated carbon particles.
The control device is a PLC.
The application method of the temperature-adjusting and humidity-adjusting biological filter device comprises the following steps:
step a, the control device controls the first submersible pump to regularly and quantitatively pump water in the liquid supply tank and pump the water to the spray nozzle for spraying, and the water quantity of the first submersible pump is as follows: when the organic waste gas is not input into the organic waste gas input pipe, the packing layer is kept wet, and the packing layer cannot leak water to the bottom of the filtering tower;
step b, an organic waste gas input pipe inputs organic waste gas to be subjected to biological filtration treatment into a filter tower;
c, continuously collecting the temperature of the organic waste gas in the organic waste gas input pipe by the first thermometer and the second thermometer, and controlling an external cooling water source to pump cooling water into a cooling ring pipe by a control device when the temperature of the organic waste gas is lower than 20 ℃ or higher than 40 ℃, wherein the temperature of the organic waste gas collected by the second thermometer is adjusted by the cooling ring pipe to be 20-40 ℃;
d, the humidity detector always collects humidity information of different height positions of the packing layer, when the humidity is reduced to a certain value, the control device controls the second submersible pump to operate, the second submersible pump pumps water into the humidity adjusting pipe and then ejects the water from the humidity adjusting nozzle, so that the humidity of organic waste gas in the organic waste gas input pipe is increased, water which is not absorbed by the organic waste gas flows back to the liquid supply tank from the return pipe, the humidified organic waste gas can supplement water to the packing layer, the humidity of the packing layer is increased, and when the humidity detector collects that the humidity of the packing layer reaches a preset value, the control device controls the second submersible pump to stop operating;
and e, when the filler layer falls to the bottom of the filtering tower and impurities are accumulated to a certain height, opening the door, and tearing and removing the uppermost layer of membrane cloth together with the impurities falling on the membrane cloth, so that the membrane cloth of the second layer is positioned on the first layer.
The invention has the following advantages:
1. according to the invention, the water spraying amount of the microorganism spraying pipe is controlled, the packing layer is kept moist, and the packing layer cannot leak water to the bottom of the filtering tower, so that a water pool is not required to be arranged at the bottom of the filtering tower, and metabolic waste of the packing layer can fall at the bottom of the filtering tower in a solid particle state.
2. The invention controls the water spraying amount of the microorganism spraying pipe, so that the invention controls the water content of the organic waste gas, prevents the drying of the packing layer caused by the too low water content of the organic waste gas, and the microorganism death. By arranging the humidity regulating structure, the invention achieves the technical effects of not affecting the normal metabolism of microorganisms and not arranging a water tank under the filter tower, and ensures the normal operation of the whole filter tower.
3. The invention also designs a temperature regulation structure, the temperature of the organic waste gas is monitored in real time by a thermometer, the temperature of the organic waste gas is regulated by cooling water circulation, the temperature of the organic waste gas entering the filter tower is ensured to be within the range of 20-40 ℃, and the existence of microorganisms is not influenced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Wherein the reference numerals are as follows: the filter tower 1, the air outlet 11, the screen 12, the packing layer 13, the membrane cloth 14, the humidity detector 15, the door 16, the organic waste gas input pipe 2, the organic waste gas nozzle 21, the liquid supply tank 3, the nutrient solution pipe 31, the microorganism spray pipe 4, the spray nozzle 41, the first submersible pump 42, the temperature regulation structure 5, the first thermometer 51, the cooling loop 52, the second thermometer 53, the external cooling water source 54, the humidity regulation structure 6, the second submersible pump 61, the humidity regulation pipe 62, the humidity regulation spray nozzle 63, the return pipe 64 and the control device 7.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
The invention relates to a temperature and humidity regulating biological filter, wherein: comprises a filter tower 1, an organic waste gas input pipe 2, a liquid supply tank 3 and a control device 7, wherein an air outlet 11 is formed in the upper part of the filter tower 1, a screen 12 is arranged in the middle of the filter tower 1, a filler layer 13 loaded with bacteria microorganisms is filled on the screen 12, a plurality of layers of membrane cloth 14 are stacked on the lower part of the filter tower 1, the membrane cloth 14 completely covers the lower surface in the filter tower 1, the organic waste gas input pipe 2 horizontally extends into the filter tower 1, the part of the organic waste gas input pipe 2 extending into the filter tower 1 is positioned below the screen 12 and is provided with a plurality of organic waste gas nozzles 21, the liquid supply tank 3 is arranged near the filter tower 1, water is stored in the liquid supply tank 3, the filter tower 1 penetrates into a microorganism spray pipe 4, the part of the microorganism spray pipe 4 positioned in the filter tower 1 is horizontally arranged above the filler layer 13, a plurality of spray nozzles 41 are arranged on the microorganism spray pipe 4, the spray nozzles 41 face the filler layer 13, the part of the microorganism spray pipe 4 positioned outside the filtering tower 1 is connected with a first submersible pump 42, the first submersible pump 42 is placed in the liquid supply tank 3, the first submersible pump 42 can pump the water of the liquid supply tank 3 into the microorganism spray pipe 4 and spray the water through a spray nozzle 41, when the water spraying amount is required to be that the organic waste gas input pipe 2 does not input the organic waste gas, the packing layer 13 keeps moist, the packing layer 13 cannot leak water to the bottom of the filtering tower 1, the organic waste gas input pipe 2 is provided with a temperature regulating structure 5, the temperature regulating structure 5 comprises a first thermometer 51, a cooling loop 52 and a second thermometer 53 which are sequentially arranged on the organic waste gas input pipe 2 along the flowing direction of the organic waste gas, the detection ends of the first thermometer 51 and the second thermometer 53 are inserted into the organic waste gas input pipe 2 and are used for measuring the temperature of the organic waste gas, the cooling loop 52 is in a serpentine shape and winds on the organic waste gas input pipe 2, the cooling loop 52 is connected with an external cooling water source 54, and the external cooling water source 54 can inject cooling water into the cooling loop 52; the organic waste gas input pipe 2 is still equipped with humidity control structure 6, humidity control structure 6 includes second immersible pump 61, humidity control pipe 62, a plurality of humidity control shower nozzle 63 and back flow 64, second immersible pump 61 is put in the liquid feed pond 3, humidity control pipe 62 one end is connected with second immersible pump 61, humidity control shower nozzle 63 is connected to the other end, humidity control shower nozzle 63 is fixed in organic waste gas input pipe 2, back flow 64 upper end and organic waste gas input pipe 2 butt joint, the interface is located between humidity control shower nozzle 63 and organic waste gas spout 21, the lower extreme is submerged in the water of liquid feed pond 3, be fixed with a plurality of humidity detector 15 on the filter tower 1, humidity detector 15 inserts at the different heights of packing layer 13, be used for detecting packing layer 13 humidity, controlling means 7 is connected with humidity detector 15 respectively, first thermometer 51 and second thermometer 53, and can receive the information of three, controlling means 7 still is connected with first immersible pump 42 respectively, second immersible pump 61 and external cooling water source 54, and control the operation.
In the embodiment, a nutrient solution pipe 31 is connected to the liquid supply tank 3, and the nutrient solution pipe 31 is used for periodically injecting nutrient solution for maintaining metabolism of bacterial microorganisms into water in the liquid supply tank 3.
In the embodiment, the side of the bottom of the filtering tower 1 is provided with a door 16 which can be opened and closed, and when the door 16 is opened, people can enter and exit the lower part of the filtering tower 1.
In an embodiment, the temperature of the organic waste gas discharged from the organic waste gas discharge port 21 is 20-40 ℃.
In the embodiment, the filler used in the filler layer 13 is one or more of ceramic raschig rings, biological ceramic particles and activated carbon particles.
In the embodiment, the control device 7 is a PLC.
The application method of the temperature-adjusting and humidity-adjusting biological filter device comprises the following steps:
step a, the control device 7 controls the first submersible pump 42 to regularly and quantitatively pump water in the liquid supply tank 3 and pump the water to the spray nozzle 41 for spraying, and the water quantity of the first submersible pump 42 is as follows: when the organic waste gas is not input into the organic waste gas input pipe 2, the packing layer 13 is kept moist, and the packing layer 13 cannot leak water to the bottom of the filtering tower 1;
step b, an organic waste gas input pipe 2 inputs organic waste gas to be subjected to biological filtration treatment into a filter tower 1;
step c, continuously collecting the temperature of the organic waste gas in the organic waste gas input pipe 2 by the first thermometer 51 and the second thermometer 53, when the temperature of the organic waste gas is lower than 20 ℃ or higher than 40 ℃, controlling the external cooling water source 54 to pump cooling water into the cooling loop 52 by the control device 7, and regulating the temperature of the organic waste gas in the organic waste gas input pipe 2 by the cooling loop 52 to ensure that the temperature of the organic waste gas collected by the second thermometer 53 is 20-40 ℃;
step d, the humidity detector 15 always collects humidity information of different height positions of the packing layer 13, when the humidity is reduced to a certain value, the control device 7 controls the second submersible pump 61 to operate, the second submersible pump 61 pumps water into the humidity adjusting pipe 62 and then ejects the water from the humidity adjusting nozzle 63, so that the humidity of organic waste gas in the organic waste gas input pipe 2 is increased, water which is not absorbed by the organic waste gas flows back to the liquid supply tank 3 from the return pipe 64, the humidified organic waste gas can supplement water to the packing layer 13, the humidity of the packing layer 13 is increased, and when the humidity detector 15 collects that the humidity of the packing layer 13 reaches a preset value, the control device 7 controls the second submersible pump 61 to stop operating;
and e, when the impurities falling to the bottom of the filter tower 1 from the packing layer 13 are accumulated to a certain height, opening the door 16, and tearing off and removing the uppermost layer of membrane cloth 14 together with the impurities falling on the membrane cloth 14, so that the membrane cloth 14 of the second layer is positioned on the first layer.
The flow mode of the organic waste gas is as follows: the organic waste gas is moved from the organic waste gas input pipe 2 to the organic waste gas nozzle 21, is subjected to temperature regulation of the temperature regulation structure 5 and humidity regulation of the humidity regulation structure 6, is sprayed out from the organic waste gas nozzle 21, moves upwards, enters the packing layer 13 through the screen 12, decomposes organic pollutants in the organic waste gas by the packing layer 13, and flows out from the air outlet 11 above the filter tower 1 after passing through the packing layer 13.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the invention without departing from the principles thereof are intended to be within the scope of the invention as set forth in the following claims.
Claims (6)
1. The application method of the temperature and humidity regulating biological filter device is characterized by applying the temperature and humidity regulating biological filter device: the temperature and humidity regulating biological filter device comprises a filter tower (1), an organic waste gas input pipe (2), a liquid supply tank (3) and a control device (7), wherein an air outlet (11) is formed in the upper part of the filter tower (1), a screen (12) is arranged in the middle of the filter tower (1), a filler layer (13) loaded with bacteria microorganisms is filled on the screen (12), a plurality of layers of membrane cloth (14) are stacked on the lower part of the filter tower (1), the membrane cloth (14) completely covers the lower surface in the filter tower (1), the organic waste gas input pipe (2) horizontally stretches into the filter tower (1), the part of the organic waste gas input pipe (2) stretching into the filter tower (1) is positioned below the screen (12), a plurality of organic waste gas nozzles (21) are formed in the part of the filter tower (1), the liquid supply tank (3) is arranged near the filter tower (1), water is stored in the liquid supply tank (3), the filter tower (1) is provided with a microorganism spray pipe (4), the microorganism spray pipe (4) is positioned in the filter tower (1), the part of the filter tower (1) horizontally extends into the filter tower (1), the lower surface of the filter tower (1) is provided with a plurality of submerged nozzles (41), the water spray nozzles (41) are positioned above the filler layer (13), the water spray pipe (41) and the microorganism spray pipe is positioned on the filter tower (13), the first submersible pump (42) is arranged in the liquid supply tank (3), the first submersible pump (42) can pump water of the liquid supply tank (3) into the microorganism spray pipe (4) and spray the microorganism spray pipe out through the spray nozzle (41), when the water spraying amount is that the organic waste gas is not input into the organic waste gas input pipe (2), the packing layer (13) is kept moist, the packing layer (13) cannot leak water to the bottom of the filtering tower (1), the organic waste gas input pipe (2) is provided with a temperature regulating structure (5), the temperature regulating structure (5) comprises a first thermometer (51), a cooling loop (52) and a second thermometer (53) which are sequentially arranged on the organic waste gas input pipe (2) along the flowing direction of the organic waste gas, the detection ends of the first thermometer (51) and the second thermometer (53) are inserted into the organic waste gas input pipe (2) and are used for measuring the temperature of the organic waste gas, the cooling loop (52) is coiled on the organic waste gas input pipe (2), the cooling loop (52) is connected with a cooling water source (54) in a serpentine shape, and the cooling water source (54) can be externally connected with the cooling loop (52); the organic waste gas input pipe (2) is also provided with a humidity regulating structure (6), the humidity regulating structure (6) comprises a second submersible pump (61), a humidity regulating pipe (62), a plurality of humidity regulating spray heads (63) and a return pipe (64), the second submersible pump (61) is placed in the liquid supply tank (3), one end of the humidity regulating pipe (62) is connected with the second submersible pump (61), the other end of the humidity regulating pipe is connected with the humidity regulating spray heads (63), the humidity regulating spray heads (63) are fixed in the organic waste gas input pipe (2), the upper end of the return pipe (64) is in butt joint with the organic waste gas input pipe (2), an interface is positioned between the humidity regulating spray heads (63) and the organic waste gas spray ports (21), the lower end of the return pipe is submerged in water of the liquid supply tank (3), a plurality of humidity detectors (15) are fixed on the filter tower (1), the humidity detectors (15) are inserted into different heights of the packing layer (13) and are used for detecting the humidity of the packing layer (13), the control device (7) is respectively connected with the humidity detectors (15), the first thermometer (51) and the second submersible pump (53) and the second submersible pump (42) and the water source (42) can be respectively connected with the cooling device (42), and controlling the three operations; the specific application method of the temperature-adjusting and humidity-adjusting biological filter device comprises the following steps:
step a, a control device (7) controls a first submersible pump (42) to regularly and quantitatively pump water in a liquid supply tank (3) and pump the water to a spray nozzle (41) for spraying, and the water quantity of the first submersible pump (42) is as follows: when the organic waste gas is not input into the organic waste gas input pipe (2), the packing layer (13) is kept moist, and the packing layer (13) cannot leak water to the bottom of the filtering tower (1);
step b, an organic waste gas input pipe (2) inputs organic waste gas to be subjected to biological filtration treatment into a filter tower (1);
step c, continuously collecting the temperature of the organic waste gas in the organic waste gas input pipe (2) by the first thermometer (51) and the second thermometer (53), and when the temperature of the organic waste gas is lower than 20 ℃ or higher than 40 ℃, controlling an external cooling water source (54) to pump cooling water into a cooling ring pipe (52) by a control device (7), and regulating the temperature of the organic waste gas in the organic waste gas input pipe (2) by the cooling ring pipe (52) to ensure that the temperature of the organic waste gas collected by the second thermometer (53) is 20-40 ℃;
d, the humidity detector (15) always collects humidity information of different height positions of the packing layer (13), when the humidity is reduced to a certain value, the control device (7) controls the second submersible pump (61) to operate, the second submersible pump (61) pumps water into the humidity adjusting pipe (62) and then ejects the water from the humidity adjusting nozzle (63), so that the humidity of organic waste gas in the organic waste gas input pipe (2) is increased, water which is not absorbed by the organic waste gas flows back to the liquid supply tank (3) from the return pipe (64), the humidified organic waste gas can supplement water to the packing layer (13) to enable the humidity of the packing layer (13) to rise, and when the humidity detector (15) collects that the humidity of the packing layer (13) reaches a preset value, the control device (7) controls the second submersible pump (61) to stop operating;
and e, when the filler layer (13) falls to the bottom of the filtering tower (1) and impurities accumulate to a certain height, opening the door (16), and tearing off and removing the uppermost layer of membrane cloth (14) together with the impurities falling on the membrane cloth (14) to enable the membrane cloth (14) of the second layer to be positioned on the first layer.
2. The method for using the temperature and humidity regulating biological filter device according to claim 1, which is characterized in that: the liquid supply tank (3) is connected with a nutrient solution pipe (31), and the nutrient solution pipe (31) is used for periodically injecting nutrient solution for maintaining metabolism of bacteria microorganisms into the water in the liquid supply tank (3).
3. The method for using the temperature and humidity regulating biological filter device according to claim 2, which is characterized in that: the side surface of the bottom of the filtering tower (1) is provided with a door (16) which can be opened and closed, and when the door (16) is opened, people can enter and exit the lower part of the filtering tower (1).
4. A method of using a temperature and humidity conditioning biological filtration unit according to claim 3, characterized by: the temperature of the organic waste gas sprayed from the organic waste gas nozzle (21) is 20-40 ℃.
5. The method for using a temperature and humidity regulating biological filter according to claim 4, wherein the method comprises the following steps: the filler used in the filler layer (13) is one or more of ceramic raschig rings, biological ceramic particles and activated carbon particles.
6. The method for using the temperature and humidity regulating biological filter device according to claim 5, wherein the method comprises the following steps: the control device (7) is a PLC.
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| CN201910263964.8A CN109806760B (en) | 2019-04-03 | 2019-04-03 | Temperature-adjusting and humidity-adjusting biological filter device and application method thereof |
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