CN117717883A - Gas deodorizing device and method - Google Patents
Gas deodorizing device and method Download PDFInfo
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- CN117717883A CN117717883A CN202410172084.0A CN202410172084A CN117717883A CN 117717883 A CN117717883 A CN 117717883A CN 202410172084 A CN202410172084 A CN 202410172084A CN 117717883 A CN117717883 A CN 117717883A
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- 238000004140 cleaning Methods 0.000 claims description 20
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- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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 present disclosure relates to a gas deodorization device and a method, which belong to the technical field of gas treatment, and the technical problem to be solved is that the prior art is not suitable for waste gas with complex malodor source components and high concentration. The device comprises an inner tower and an outer tower, wherein the center of the top of the inner tower is connected with a first air inlet pipe for introducing air to be deodorized, and a gas collecting pipe penetrating the inner tower and communicated with the first air inlet pipe is arranged; the outer tower is sleeved outside the inner tower and is provided with a first deodorizing part; the periphery of the gas collecting tube is provided with a plurality of second gas inlet tubes, the inlet ends of the second gas inlet tubes are communicated with the gas collecting tube, and the outlet ends of the second gas inlet tubes are connected to the outer wall of the inner tower and are communicated with the outer tower; the inlet end of the second air inlet pipe is provided with a gas negative pressure forming part so as to form gas negative pressure at the inlet end, so that the gas to be deodorized in the gas collecting pipe enters the second air inlet pipe and flows into the outer tower; the lower part of the inner tower is provided with a gas inlet, the gas deodorized by the outer tower enters the inner tower through the gas inlet, the inner tower is provided with a second deodorizing part, and the top of the inner tower is provided with a gas outlet for discharging clean gas.
Description
Technical Field
The present disclosure relates to the field of gas treatment technologies, and in particular, to a gas deodorizing device and method.
Background
The malodorous waste gas generally contains hydrogen sulfide, macromolecular volatile organic compounds, micromolecular volatile organic compounds, difficultly-soluble volatile organic compounds and the like, and can be generated in the fields of chemical industry, kitchen, landfill treatment and the like. Malodorous waste gas has very bad influence on the environment and human health, and harmful components in malodorous waste gas are removed before the malodorous waste gas is discharged. Currently, the commonly used malodorous gas treatment technologies include adsorption, photo-oxygen catalysis, biodegradation, combustion, plasma decomposition and the like.
Among them, adsorption includes physical adsorption using activated carbon, zeolite, etc., and chemical adsorption using an alkaline absorbent. Photo-oxygen catalysis refers to the steps of irradiating with ultraviolet light beam in the presence of ozone to decompose malodorous components into CO under the action of catalyst 2 And H 2 O, decomposable ammonia, butyl acetate, trimethylamine, carbon disulfide, dimethyl disulfide, methylthio, methyl mercaptan, methyl sulfide, ethyl acetate and styrene, sulfide H 2 S, etc. The biodegradation utilizes microorganisms to degrade and oxidize organic matters, thereby removing malodorous smell.
The waste gas is collected by the combustion method and then is sent into an incinerator, and organic gas in the waste gas is burnt to generate CO 2 And H 2 And discharging after O. The combustion method is direct and efficient, but H in the waste gas 2 S、NH 4 If the ratio is high, the tail end of the device is connected with desulfurization and denitrification equipment, and the combustion method has high energy consumption and operation costLarge. The plasma decomposition technique decomposes organic substances and odorous substances such as sulfides in malodorous gases into harmless substances by strong oxidation, but the technique requires high power supply and complicated equipment.
The malodorous gas treatment technology still has the defects of incomplete malodor removal, insufficient applicability and the like for malodorous gases with complex components and/or high concentration.
Disclosure of Invention
Based on this, it is an object of the present disclosure to provide a highly efficient gas deodorizing device and method suitable for malodorous gases of complex composition and/or high concentration.
In order to achieve the above purpose, the present disclosure adopts the following technical scheme:
a gas deodorizing device comprises an inner tower and an outer tower;
the center of the top of the inner tower is connected with a first air inlet pipe for introducing air to be deodorized, and the inner tower is also provided with a gas collecting pipe which penetrates through the inner tower and is communicated with the first air inlet pipe;
the outer tower is sleeved outside the inner tower, and a first deodorizing part for removing malodorous substances in the gas is arranged in a gap between the outer tower and the inner tower;
the gas collecting tube is provided with a plurality of second gas inlet tubes at least at the upper section around the periphery thereof, the inlet ends of the second gas inlet tubes are communicated with the gas collecting tube, and the outlet ends of the second gas inlet tubes are connected to the outer wall of the inner tower and are communicated with the outer tower;
the inlet end of the second air inlet pipe is provided with a gas negative pressure forming part so as to form a gas negative pressure smaller than the gas pressure of the gas collecting pipe at the inlet end, so that the gas to be deodorized in the gas collecting pipe enters the second air inlet pipe and flows into the outer tower;
the gas inlet is arranged at the lower part of the inner tower, the gas deodorized by the first deodorizing part enters the inner tower through the gas inlet, a second deodorizing part for removing malodorous substances in the gas is arranged in a gap between the inner tower and the gas collecting pipe, and a gas outlet for discharging clean gas is arranged at the top of the inner tower.
Preferably, the inlet end of the second air inlet pipe is provided with a first liquid injector facing the outlet end, and the liquid pressure of the first liquid can form a gas negative pressure smaller than the gas pressure of the gas collecting pipe at the inlet end, so that the gas to be deodorized in the gas collecting pipe enters the second air inlet pipe and is carried by the first liquid to be injected into the outer tower.
Preferably, a third deodorizing part for deodorizing is further provided at the top of the inner tower, and the third deodorizing part includes a spraying system for spraying a cleaning liquid to the gas of the inner tower.
More preferably, the cleaning liquid of the spray system circulates from the cleaning liquid accumulated at the bottom of the inner tower;
the first liquid and the cleaning liquid comprise water, and the first liquid and/or the cleaning liquid contain additives for removing malodorous substances in the gas.
Preferably, the first deodorizing portion and the second deodorizing portion are provided with a first deodorizing filler and a second deodorizing filler, respectively;
wherein the first deodorizing filler and the second deodorizing filler comprise a biological filler and a biological filler, respectively; alternatively, the first deodorizing filler and the second deodorizing filler include a biological filler and a chemical filler, respectively; alternatively, the first deodorizing filler and the second deodorizing filler include a chemical filler and a chemical filler, respectively; alternatively, the first deodorizing filler and the second deodorizing filler include a flocculating agent and a bio-filler, respectively.
Preferably, the bottom of the gas collecting tube is provided with a liquid discharge port, the liquid discharge port is sealed by a movable first sealing member, and the first sealing member is opened to discharge liquid when the liquid accumulated at the bottom of the gas collecting tube reaches a set amount.
More preferably, the bottom of the gas collecting tube is further provided with a plurality of gas flow channels, the gas flow channels are sealed by movable second sealing members, and when the gas flow pressure of the inner tower is greater than that of the gas collecting tube, the second sealing members are opened to enable the gas of the inner tower to flow into the gas collecting tube.
Preferably, a liquid inlet pipe connected with the first liquid injector is provided with a filtering device for filtering impurities in the liquid; the inner tower and the outer tower are respectively provided with a water draining part at the bottom of the tower.
In order to achieve the above purpose, the present disclosure further adopts the following technical scheme:
a method of deodorizing a gas, the method being carried out in a gas deodorizing device according to any one of the preceding claims, comprising the steps of:
the gas to be deodorized enters a gas collecting tube in the center of the inner tower through a first gas inlet tube;
the negative pressure forming part forms a gas negative pressure smaller than the gas pressure of the gas collecting pipe at the inlet end of the second gas inlet pipe so that the gas to be deodorized in the gas collecting pipe enters the second gas inlet pipe and flows into the outer tower;
the gas entering the outer tower flows from top to bottom and passes through the first deodorizing part to remove malodorous substances in the gas;
the gas flowing to the bottom of the outer tower enters the inner tower through a gas inlet at the bottom of the inner tower and flows from bottom to top through a second deodorizing part to remove malodorous substances therein;
and discharging the deodorized clean gas from a gas outlet at the top of the inner tower.
Preferably, the method further comprises the step of spraying a cleaning liquid from the top of the inner tower to the second deodorizing part and the gas of the inner tower.
The technical scheme adopted by the present disclosure has the following beneficial effects:
1) The composite deodorizing device with multiple deodorizing functions can effectively remove malodor source substances in the gas to be deodorized under the interception of the first deodorizing part and the second deodorizing part, and is suitable for purifying chemical waste gas, kitchen waste gas, waste landfill waste gas and the like containing complex components and/or high concentration malodor substances such as hydrogen sulfide, macromolecule volatile organic matters, micromolecule volatile organic matters, difficultly volatile organic matters and the like.
2) In the actual operation process, the gas flow of some malodorous sources is not large, but the concentration of the gas components is very high, and the device can consider that under the condition that the tightness of the malodorous sources, the gas collection channels and the inner tower and the outer tower is good, the negative pressure forming part is only used as a gas flow power source by means of the gas negative pressure formed at the inlet end of the second gas inlet pipe, and a fan is not needed, so that the purpose of efficiently removing the malodorous pollutants of the gas is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present disclosure, and other drawings may be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a deodorizing system including a deodorizing means.
Fig. 2 is a schematic view of the external structure of the deodorizing means.
Fig. 3 is a half sectional view of the deodorizing means.
Fig. 4 is a cross-sectional view of the deodorizing means.
Fig. 5 is a partially enlarged view of the second intake pipe (circled portion) in fig. 4.
Fig. 6 is a schematic top view in cross section of the deodorizing means.
Fig. 7 is a schematic perspective view (upper) and a sectional view (lower) of the ejector.
Fig. 8 is an upper view of the self-gravity single direction damper.
Fig. 9 is an overall cross-sectional view of the self-gravity single-direction damper.
Reference numerals:
1-an inner tower; 2-an outer column; 3-a first air inlet pipe; 4-gas collecting pipes; 5-a first deodorizing section; 6-a second air inlet pipe; 7-a first liquid ejector; 8-gas inlet; 9-a second deodorizing section; 10-gas outlet; 11-high pressure pump; 12-a filtration device; 13-an inhalation chamber; 14-diffuser pipe; 15-a third deodorizing section; 16-a circulating spray pump; 17-shower bypass; 18-a liquid replenishment valve; 19-an additive line; 20-a liquid discharge port; 21-a gravity floating ball; 22-air flow channels; 23-a second seal; 24-hinge bearings; 25-manual valve; 26-wind speed sensor.
Detailed Description
For the purpose of making the objects, technical solutions and advantageous effects of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure, and it is apparent that the described embodiments are some embodiments of the present disclosure, but not all embodiments. Based on the embodiments in this disclosure, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
Referring to fig. 1 to 9, the gas deodorizing device provided in this embodiment is made of glass fiber reinforced plastic or PP material, and performs steel reinforcement at the key points where support or stress is required. The deodorizing means includes an inner tower 1 and an outer tower 2, and the inner tower 1 and the outer tower 2 may be provided in a cylindrical shape. The center of the top of the inner tower 1 is connected with a first air inlet pipe 3 for introducing air to be deodorized, and the center of the inner tower 1 is provided with a gas collecting pipe 4 which penetrates through the inner tower 1 and is communicated with the first air inlet pipe 3. Wherein, outer tower 2 cover is established in inside tower 1 outside, and outer tower 2 top is sealed, and the clearance between outer tower 2 and the inside tower 1 is equipped with the first deodorization portion 5 that is used for getting rid of the malodorous material in the gas.
The header 4 is provided with a number of second inlet pipes 6 at least in the upper section around its periphery, preferably uniformly and annularly distributed over the entire section of the header 4. The inlet end of the second air inlet pipe 6 is communicated with the gas collecting pipe 4, and the outlet end is connected to the outer wall of the inner tower 1 and communicated with the outer tower 2.
The inlet end of the second air inlet pipe 6 is provided with a gas negative pressure forming part so as to form a gas negative pressure smaller than the gas pressure of the gas collecting pipe at the inlet end, so that the gas to be deodorized in the gas collecting pipe 4 enters the second air inlet pipe 6 and flows into the outer tower 2. In an exemplary version, the inlet end of each second inlet pipe 6 is provided with a first liquid injector 7 towards its outlet end for injecting a first liquid having a liquid pressure which is capable of creating a gas negative pressure at the inlet end for the gas to be deodorized in the gas header 4 to enter the second inlet pipe 6 and be carried by the first liquid for injection into the outer tower 2. The lower part of the inner tower 1 is provided with a gas inlet 8, the gas deodorized by the first deodorizing part 5 enters the inner tower 1 through the gas inlet 8, a gap between the inner tower 1 and the gas collecting pipe 4 is provided with a second deodorizing part 9 for removing malodorous substances in the gas, and the top of the inner tower 1 is provided with a gas outlet 10 for discharging clean gas.
In an exemplary embodiment, the first liquid injector 7 may be a high-pressure nozzle, and the second air inlet pipe 6 may be a gas-liquid mixing injector. The liquid inlet main pipeline connected to the high-pressure nozzle is provided with a high-pressure pump 11, and the high-pressure pump 11 provides injection power with sufficient pressure for the high-pressure nozzle. A filtering device 12 for filtering impurities in the liquid may be preferably provided at the front end of the high-pressure pump 11, for example, a pipe filter screen may be provided in front of the high-pressure pump 11 to filter the liquid, preventing clogging of the high-pressure nozzle and the ejector.
The ejector structure can refer to fig. 7, and is composed of a suction chamber 13 and a diffuser pipe 14, the front end of the suction chamber 13 is connected with a high-pressure nozzle, when high-pressure liquid is injected into the suction chamber 13 at the end of the nozzle, air around the nozzle forms negative pressure and drives gas to be deodorized to enter the suction chamber 13 along with the first liquid with liquid pressure, and the gas suction in the form is adopted as a gas collecting power source of the deodorization device in the embodiment, so that the whole device is not provided with a fan.
In a preferred solution, the top of the inner tower 1 is also provided with a third deodorizing section 15 for deodorizing, the third deodorizing section 15 comprising a spray system for spraying a cleaning liquid to said second deodorizing section 9 and the gas to leave the inner tower. The cleaning liquid of the spraying system preferably circulates the cleaning liquid accumulated at the bottom of the inner tower 1, the cleaning liquid at the bottom of the inner tower 1 is pumped to the top of the inner tower 1 by a circulating spray pump 16 for spraying, and returns to the bottom of the tower under the action of gravity, and a drain pipe at the bottom of the tower periodically discharges sludge and the cleaning liquid. The drain pipe arranged at the bottom avoids the deposition of sludge in the tower to become a new malodor source and avoids the unsatisfactory deodorizing effect. For the same purpose, a drain opening of the outer tower is also provided at the bottom. The spray pipe bypass 17 of the spray system is provided with a liquid supplementing valve 18 for periodically supplementing liquid, and the circulating spray pump stops working when supplementing water because a certain pressure is needed when supplementing the liquid, and the liquid enters the spray system from the spray main pipe.
In a preferred embodiment, the first liquid and the cleaning liquid in this embodiment may be water, and the first liquid and/or the cleaning liquid may contain an additive that helps to remove malodorous substances in the gas. For example, an additive line 19 may be connected to the first liquid delivery line to add substances to the first liquid that aid in the deodorization of the gas as required by the process, such as microbial nutrient solution, sodium hypochlorite, sodium dodecyl benzene sulfonate, and the like. Similarly, the piping of the spray system may also be provided with additive piping and additives to assist in deodorizing the gas to the spray liquid as required by the process.
In a preferred embodiment, the first deodorizing portion 5 and the second deodorizing portion 9 are provided with a first deodorizing filler and a second deodorizing filler, respectively. Wherein the first deodorizing filler and the second deodorizing filler may include the following types of collocations, respectively: biological fillers and biological fillers, or biological fillers and chemical fillers, or chemical fillers and chemical fillers, or flocculants and biological fillers. In an exemplary scenario, the first deodorizing filler type may be: PE central ropes, hydroformylation vinylon filament bundles, PE central ropes, PP elastic yarns and the like are formed and are wound and fixed on soft fiber fillers on the inner wall of the outer tower; the second deodorizing filler type may be: 10-20 mm of bamboo charcoal particles, 25mm of hollow plastic balls, 15mm of volcanic rock and other inert particle fillers.
In a more preferred embodiment, the specification materials of the first deodorizing filler and the second deodorizing filler of the deodorizing device of the present embodiment may be selected according to the nature of the gas to be deodorized. For example, when the macromolecular organic matter content in the gas is high, the first deodorizing filler can be selected from coarser braided fillers or rope fillers, and the second deodorizing filler can be selected from plastic balls or large-particle bamboo charcoal with larger pore diameters. If the gas contains more micromolecular substances such as hydrogen sulfide, the first deodorizing filler can be selected from finer braided filler or rope filler, and the second deodorizing filler can be selected from plastic balls with small pore diameters or small-particle bamboo charcoal. The braid packing or rope packing is fixed on a row of annular transverse upright posts in the outer tower in a winding mode.
In a preferred embodiment, the bottom of the header 4 is provided with a liquid discharge opening 20, the liquid discharge opening 20 being sealed by a movable first seal, which is opened to discharge liquid when the liquid accumulated at the bottom of said header reaches a set amount. In an exemplary embodiment, a gravity float 21 may be provided at the liquid discharge port 20, and the gravity float 21 floats upward when it receives a buoyancy greater than its gravity, and the liquid accumulated in the gas collecting pipe 4 is discharged through the liquid discharge port 20.
In a more preferred embodiment, the bottom of the header 4 is further provided with a number of gas flow channels 22, the gas flow channels 22 preferably being arranged around the liquid discharge opening 20. The gas flow channel 22 is sealed by a movable second seal 23, the second seal 23 being opened to allow gas of the inner tower 1 to flow into the header 4 when the gas flow pressure of the inner tower 1 is greater than the gas flow pressure of the header 4. In an exemplary embodiment, the second seal 23 may be provided in the form of a movable vane, one end of which may be connected to the outer edge of the gas flow channel 22 by a hinge bearing 24, and which is forced upwardly by an upward force to allow gas from the inner tower 1 to enter the gas header 4 when the gas flow pressure of the inner tower 1 is greater than the gas flow pressure of the gas header 4 and the weight of the movable vane (or when the manual valve 25 at the gas outlet 10 is manually adjusted).
Preferably, wind speed sensors 26 are provided at the air inlet end and the air outlet 10 of the first air inlet pipe 3 to monitor the inlet and outlet air volume and ensure that the first air inlet pipe operates within a normal working condition range. In addition, the integrated structure of the air flow channel 22 at the bottom of the air collecting tube 4 and the liquid discharge outlet 20 forms a self-gravity unidirectional air valve, so that not only can the water in the air collecting tube 4 be discharged, but also when the air supply pressure of the air to be deodorized is changed, the deodorizing device of the embodiment can enter part of the air of the inner tower 1 into the air collecting tube 4 in an air supplementing mode in an air supplementing backflow mode, so that the air can be subjected to multiple air-liquid mixing cycles, the deodorizing efficiency of the air is improved, the self-adaptive process of the device is achieved, and meanwhile, the influence of the change of the air inlet working condition on the air treatment effect is reduced.
The gas deodorizing method performed in the gas deodorizing device in this embodiment includes the steps of:
the gas to be deodorized enters a gas collecting tube 4 in the center of the inner tower 1 through a first gas inlet tube 3;
the first liquid injector 7 injects the first liquid with liquid pressure towards the outlet direction of the second air inlet pipe 6, and forms gas negative pressure smaller than the gas pressure of the gas collecting pipe at the inlet end of the second air inlet pipe 6, so that the gas to be deodorized in the gas collecting pipe 4 enters the second air inlet pipe 6 and is carried by the first liquid to be injected into the outer tower 2;
the gas entering the outer tower 2 flows from top to bottom and passes through the first deodorizing part to remove malodorous substances in the gas;
the gas flowing to the bottom of the outer tower 2 enters the inner tower 1 through a gas inlet 8 at the bottom of the inner tower 1 and flows from bottom to top through a second deodorizing part to remove malodorous substances in the gas;
the deodorized clean gas is discharged from the gas outlet 10 at the top of the inner tower 1.
In a more preferred embodiment, the method further comprises the step of spraying the cleaning liquid from the top of the inner tower 1 to the second deodorizing section 9 and the gas to be discharged from the inner tower 1.
The embodiment provides a compound deodorizing device with multiple deodorizing functions, which firstly introduces the gas to be deodorized into a gas collecting tube 4 in the center of an inner tower 1, and firstly entraps some soluble and macromolecular volatile organic compounds and the like in a first liquid and a first deodorizing part under the high-pressure mixing action of gas-liquid mixing jet devices annularly arranged around the gas collecting tube 4. Then, under the pushing of the air flow, the air enters the inner tower 1 from the annular space between the outer tower 2 and the inner tower 1, and passes through the second deodorizing part from bottom to top, and the spraying system at the top of the inner tower 1 continuously sprays the second deodorizing part and the air to clean and remove the residual air malodorous pollutants.
The device in this embodiment can effectively get rid of the malodorous substances such as hydrogen sulfide, macromolecular volatile organic compounds, micromolecular volatile organic compounds, difficultly-soluble volatile organic compounds that contain in chemical waste gas, kitchen waste gas, landfill waste gas etc.. In the actual operation process, the gas quantity of some malodor sources is not large, but the concentration of the gas components is very high, and the device can consider that under the condition that the tightness of the malodor sources, the gas collection channels and the inner tower and the outer tower is good, the device only depends on the liquid negative pressure of the gas-liquid mixing jet device as a gas flowing power source without a fan so as to achieve the purpose of efficiently removing the malodor pollutants of the gas.
The above embodiments are merely exemplary descriptions of the present disclosure, and are not intended to limit the scope of the disclosure, and various modifications and improvements made by those skilled in the art to the technical solutions of the present disclosure should fall within the protection scope of the disclosure.
Claims (10)
1. A gas deodorizing device, which is characterized by comprising an inner tower and an outer tower;
the center of the top of the inner tower is connected with a first air inlet pipe for introducing air to be deodorized, and the inner tower is also provided with a gas collecting pipe which penetrates through the inner tower and is communicated with the first air inlet pipe;
the outer tower is sleeved outside the inner tower, and a first deodorizing part for removing malodorous substances in the gas is arranged in a gap between the outer tower and the inner tower;
the gas collecting tube is provided with a plurality of second gas inlet tubes at least at the upper section around the periphery thereof, the inlet ends of the second gas inlet tubes are communicated with the gas collecting tube, and the outlet ends of the second gas inlet tubes are connected to the outer wall of the inner tower and are communicated with the outer tower;
the inlet end of the second air inlet pipe is provided with a gas negative pressure forming part so as to form a gas negative pressure smaller than the gas pressure of the gas collecting pipe at the inlet end, so that the gas to be deodorized in the gas collecting pipe enters the second air inlet pipe and flows into the outer tower;
the gas inlet is arranged at the lower part of the inner tower, the gas deodorized by the first deodorizing part enters the inner tower through the gas inlet, a second deodorizing part for removing malodorous substances in the gas is arranged in a gap between the inner tower and the gas collecting pipe, and a gas outlet for discharging clean gas is arranged at the top of the inner tower.
2. A gas deodorizing device as set forth in claim 1 wherein said second air intake pipe is provided at its inlet end with a first liquid injector toward said outlet end for injecting a first liquid having a liquid pressure capable of forming a gas negative pressure at said inlet end smaller than the gas pressure of said gas collecting pipe, so that said gas to be deodorized in said gas collecting pipe enters said second air intake pipe and is carried by said first liquid to be injected into said outer tower.
3. The gas deodorizing device as set forth in claim 2, wherein the top of said inner tower is further provided with a third deodorizing portion for deodorizing, said third deodorizing portion comprising a spray system for spraying a cleaning liquid to the gas of said inner tower.
4. A gas deodorizing device as set forth in claim 3 wherein said spray system's cleaning fluid circulates from the cleaning fluid accumulated at the bottom of said inner tower;
the first liquid and the cleaning liquid comprise water, and the first liquid and/or the cleaning liquid contain additives for removing malodorous substances in the gas.
5. The gas deodorizing device as set forth in claim 1, wherein said first deodorizing portion and said second deodorizing portion are provided with a first deodorizing filler and a second deodorizing filler, respectively;
wherein the first deodorizing filler and the second deodorizing filler comprise a biological filler and a biological filler, respectively; alternatively, the first deodorizing filler and the second deodorizing filler include a biological filler and a chemical filler, respectively; alternatively, the first deodorizing filler and the second deodorizing filler include a chemical filler and a chemical filler, respectively; alternatively, the first deodorizing filler and the second deodorizing filler include a flocculating agent and a bio-filler, respectively.
6. A gas deodorizing device as set forth in claim 1 wherein said header bottom is provided with a liquid discharge port, said liquid discharge port being sealed by a movable first seal, said first seal being opened to discharge liquid when liquid accumulated at said header bottom reaches a set amount.
7. The gas deodorizing device as set forth in claim 6, wherein said gas collecting pipe is further provided at the bottom thereof with a plurality of gas flow passages, said gas flow passages being sealed by a movable second sealing member, said second sealing member being opened to allow the gas of said inner tower to flow into said gas collecting pipe when the gas flow pressure of said inner tower is greater than the gas flow pressure of said gas collecting pipe.
8. The gas deodorizing device as set forth in claim 2, wherein a filtering means for filtering impurities in the liquid is provided on the liquid inlet pipe connected to the first liquid ejector; the inner tower and the outer tower are respectively provided with a water draining part at the bottom of the tower.
9. A method for deodorizing a gas, characterized in that the method is carried out in a gas deodorizing device according to any one of claims 1 to 8, comprising the steps of:
the gas to be deodorized enters a gas collecting tube in the center of the inner tower through a first gas inlet tube;
the negative pressure forming part forms a gas negative pressure smaller than the gas pressure of the gas collecting pipe at the inlet end of the second gas inlet pipe so that the gas to be deodorized in the gas collecting pipe enters the second gas inlet pipe and flows into the outer tower;
the gas entering the outer tower flows from top to bottom and passes through the first deodorizing part to remove malodorous substances therein;
the gas flowing to the bottom of the outer tower enters the inner tower through a gas inlet at the bottom of the inner tower and flows from bottom to top through a second deodorizing part to remove malodorous substances therein;
and discharging the deodorized clean gas from a gas outlet at the top of the inner tower.
10. The gas deodorizing method as set forth in claim 9, further comprising the step of spraying a cleaning liquid from the top of said inner tower to the gas of said second deodorizing section and said inner tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410172084.0A CN117717883B (en) | 2024-02-06 | Gas deodorizing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410172084.0A CN117717883B (en) | 2024-02-06 | Gas deodorizing device and method |
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| Publication Number | Publication Date |
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| CN117717883A true CN117717883A (en) | 2024-03-19 |
| CN117717883B CN117717883B (en) | 2024-05-14 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201558667U (en) * | 2009-04-30 | 2010-08-25 | 深圳市新环机械工程设备有限公司 | Biological filtration deodorization device |
| CN207745699U (en) * | 2017-12-14 | 2018-08-21 | 馆陶新能生物质热电有限公司 | A kind of efficient desulfurizing tower |
| CN110372097A (en) * | 2019-08-12 | 2019-10-25 | 桂润环境科技股份有限公司 | A kind of energy-saving tower inner circulation reactor |
| KR102259581B1 (en) * | 2021-02-19 | 2021-06-01 | 박길태 | Swirl flow type deodorizer |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201558667U (en) * | 2009-04-30 | 2010-08-25 | 深圳市新环机械工程设备有限公司 | Biological filtration deodorization device |
| CN207745699U (en) * | 2017-12-14 | 2018-08-21 | 馆陶新能生物质热电有限公司 | A kind of efficient desulfurizing tower |
| CN110372097A (en) * | 2019-08-12 | 2019-10-25 | 桂润环境科技股份有限公司 | A kind of energy-saving tower inner circulation reactor |
| KR102259581B1 (en) * | 2021-02-19 | 2021-06-01 | 박길태 | Swirl flow type deodorizer |
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