CN114259860A - Exhaust gas treatment system - Google Patents
Exhaust gas treatment system Download PDFInfo
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- CN114259860A CN114259860A CN202111633507.7A CN202111633507A CN114259860A CN 114259860 A CN114259860 A CN 114259860A CN 202111633507 A CN202111633507 A CN 202111633507A CN 114259860 A CN114259860 A CN 114259860A
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- 238000004140 cleaning Methods 0.000 claims abstract description 98
- 239000007789 gas Substances 0.000 claims abstract description 52
- 238000005406 washing Methods 0.000 claims abstract description 42
- 239000002912 waste gas Substances 0.000 claims abstract description 31
- 239000002245 particle Substances 0.000 claims abstract description 23
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 12
- 241000220317 Rosa Species 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 65
- 238000000746 purification Methods 0.000 claims description 44
- 239000007788 liquid Substances 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 17
- 230000002378 acidificating effect Effects 0.000 claims description 16
- 230000007935 neutral effect Effects 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 14
- 239000002351 wastewater Substances 0.000 claims description 12
- 230000001954 sterilising effect Effects 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 abstract description 23
- 239000003513 alkali Substances 0.000 abstract description 14
- 241000894006 Bacteria Species 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000002000 scavenging effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000004887 air purification Methods 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention provides a waste gas treatment system, which comprises a washing tower, a first air pipe, a filter box, a second air pipe, a disinfection box and an exhaust device which are sequentially communicated; a first air inlet is formed in the bottom of the washing tower, a first air outlet is formed in the top of the washing tower, and one end of a first air pipe is communicated with the first air outlet; first shower nozzle, first filter layer, second shower nozzle, second filter layer, third shower nozzle and third filter layer have set gradually the interval from the bottom of washing tower to the washing tower top in the washing tower, and the rose box includes second air inlet and second gas outlet, the other end intercommunication of second air inlet and first tuber pipe, and the interval is provided with the cleaning layer in the rose box, and the quantity of cleaning layer is the multilayer. The waste gas treatment system has the advantages of completely removing acid and alkali components in waste gas, removing particles and moisture in the waste gas and killing bacteria.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment system.
Background
In the industries of chemical industry, petrifaction, medicine, printing, electronics and the like, a large amount of waste gas is generated in the production process, the waste gas can be discharged to the atmosphere after being treated, and the waste gas has a large number of pollution components, mainly including acid-base, granular pollutants, water-soluble pollutants and water-insoluble pollutants. In the prior art, the effect and the function of the waste gas treatment system are incomplete, and the treated gas still cannot reach the emission standard, so that the pollution to the atmosphere is caused by random emission.
In view of the above, there is a need for a new exhaust gas treatment system that solves or at least alleviates the above technical drawbacks.
Disclosure of Invention
The invention mainly aims to provide an exhaust gas treatment system, and aims to solve the technical problem that gas treated by the exhaust gas treatment system in the prior art cannot meet the emission standard.
The present invention provides an exhaust gas treatment system comprising:
the washing tower, the first air pipe, the filter box, the second air pipe, the disinfection box and the exhaust device are sequentially communicated;
a first air inlet is formed in the bottom of the washing tower, a first air outlet is formed in the top of the washing tower, and one end of the first air pipe is communicated with the first air outlet; first nozzles, a first filter layer, a second nozzle, a second filter layer, a third nozzle and a third filter layer are sequentially arranged in the washing tower from the bottom of the washing tower to the top of the washing tower at intervals, the first nozzles are used for spraying alkaline purification liquid, and the first filter layer is soaked with the alkaline purification liquid; the second nozzle is used for spraying the acidic purification liquid, and the second filter layer is soaked with the acidic purification liquid; the third nozzle is used for spraying neutral purification liquid, and the third filter layer is soaked with the neutral purification liquid;
the filter box comprises a second air inlet and a second air outlet, the second air inlet is communicated with the other end of the first air pipe, cleaning layers are arranged in the filter box at intervals, the number of the cleaning layers is multiple, and waste gas entering from the second air inlet passes through the multiple cleaning layers in sequence and is discharged from the second air outlet;
the sterilizing box comprises a third air inlet and a third air outlet, one end of the second air pipe is communicated with the second air outlet, the other end of the second air pipe is communicated with the third air inlet, and the exhaust device is communicated with the third air outlet.
In an embodiment, the first cleaning layer, the second cleaning layer and the third cleaning layer are arranged at intervals, the first cleaning layer, the second cleaning layer and the third cleaning layer are sequentially arranged from the second air inlet to the second air outlet, the first cleaning layer is a filter screen layer, the second cleaning layer is a drying layer, and the third cleaning layer is an intermediate-efficiency filter bag layer.
In an embodiment, the cleaning layer divides the filter box into a first cavity, a second cavity, a third cavity and a fourth cavity which are sequentially arranged at intervals, the first cavity is communicated with the first air duct, the second cavity is formed between the first cleaning layer and the second cleaning layer, the third cavity is formed between the second cleaning layer and the third cleaning layer, and the fourth cavity is communicated with the second air outlet; still be provided with first detection device and second detection device in the rose box, first detection device set up in the first cavity, the second detection device set up in the fourth cavity.
In one embodiment, a third detection device, a fourth detection device and a fifth detection device are further arranged in the filter box;
one detection end of the third detection device is arranged on one side of the first cavity close to the first cleaning layer, and the other detection end of the third detection device is arranged on one side of the second cavity close to the first cleaning layer;
one detection end of the fourth detection device is arranged on one side, close to the second cleaning layer, of the second cavity, and the other detection end of the fourth detection device is arranged on one side, close to the second cleaning layer, of the third cavity;
one detection end of the fifth detection device is arranged on one side, close to the third cleaning layer, of the third cavity, and the other detection end of the fifth detection device is arranged on one side, close to the third cleaning layer, of the fourth cavity.
In an embodiment, the third detecting device, the fourth detecting device and the fifth detecting device are all pressure difference meters, and the pressure difference meters are used for detecting pressure difference values at two sensing ends of the pressure difference meters.
In one embodiment, the first cleaning layer and the second cleaning layer are bent.
In an embodiment, a particle removing layer is further disposed in the water washing tower, the particle removing layer is disposed below the first spray head and above the first air inlet, and the particle removing layer includes a plurality of layers of mesh cloth with meshes, and the mesh cloth is used for blocking particles in the exhaust gas entering from the first air inlet.
In one embodiment, the bottom of the washing tower is provided with a funnel and a wastewater collection box, the funnel is arranged above the wastewater collection box, the bottom of the wastewater collection box is connected with a drain pipe, and the drain pipe is provided with a drain valve.
In an embodiment, the vertical side wall of the washing tower is provided with an access opening, and a fan is arranged in the first air duct and used for discharging waste gas from the first air outlet to the second air inlet.
In an embodiment, the exhaust device includes an exhaust fan and an exhaust pipe, one end of the exhaust pipe is communicated with the third air outlet, the other end of the exhaust pipe is communicated with the atmosphere, and the exhaust fan is used for exhausting the air in the sterilizing tank.
In the scheme, the waste gas treatment system comprises a washing tower, a first air pipe, a filter box, a second air pipe, a disinfection box and an exhaust device which are sequentially communicated; a first air inlet is formed in the bottom of the washing tower, a first air outlet is formed in the top of the washing tower, and one end of a first air pipe is communicated with the first air outlet; a first nozzle, a first filter layer, a second nozzle, a second filter layer, a third nozzle and a third filter layer are sequentially arranged in the washing tower from the bottom of the washing tower to the top of the washing tower at intervals, the first nozzle is used for spraying alkaline purification liquid, and the first filter layer is soaked with the alkaline purification liquid; the second nozzle is used for spraying the acidic purification liquid, and the second filter layer is soaked with the acidic purification liquid; the third nozzle is used for spraying neutral purification liquid, and the third filter layer is soaked with the neutral purification liquid; the filter box comprises a second air inlet and a second air outlet, the second air inlet is communicated with the other end of the first air pipe, cleaning layers are arranged in the filter box at intervals, the number of the cleaning layers is multiple, and waste gas coming from the second air inlet passes through the multiple cleaning layers in sequence and is discharged from the second air outlet; the disinfection box comprises a third air inlet and a third air outlet, one end of the second air pipe is communicated with the second air outlet, the other end of the second air pipe is communicated with the third air inlet, and the exhaust device is communicated with the third air outlet.
Waste gas gets into in the washing tower from the first air inlet of washing tower bottom, rise from the bottom of washing tower to the top, pass through first shower nozzle in proper order, first filter layer, the second shower nozzle, the second filter layer, third shower nozzle and third filter layer, first shower nozzle is arranged in spraying alkaline scavenging solution and is arranged in taking out the acid composition of waste gas, clear away completely for guaranteeing the acid composition, it has alkaline scavenging solution to soak at first filter layer, further neutralize the acid composition in the waste gas, of course, in order to practice thrift alkali lye, can set the alkaline scavenging solution concentration of first filter layer to be less than the alkaline scavenging solution concentration that first shower nozzle sprayed, because the acid composition of waste gas after spraying through first shower nozzle can reduce certainly. In a similar way, the second nozzle is used for spraying the acid purification liquid and is used for taking out the alkaline component in the waste gas, in order to ensure that the alkaline component is completely removed, the acid purification liquid is infiltrated into the first filter layer, the alkaline component in the waste gas is further neutralized, of course, in order to save the acid liquid, the concentration of the acid purification liquid of the first filter layer can be set to be less than that of the acid purification liquid sprayed by the first nozzle, and the alkaline concentration of the waste gas sprayed by the first nozzle can be reduced inevitably. Meanwhile, in order to prevent acid and alkali components from remaining in the exhaust gas due to excessive use of acid or alkali in the first nozzle and the first filter layer, or in the second nozzle and the second filter layer, a neutral purification liquid can be sprayed through a third nozzle, and the third filter layer is a neutral purification liquid soaked to neutralize the acid or alkali remaining in the exhaust gas, wherein the neutral purification liquid refers to a neutralization liquid capable of reacting with both acid and alkali, such as sodium bicarbonate liquid. Of course, the concentration of the neutral purification liquid in the third filter layer may be set to be smaller than that sprayed from the third spray head. This ensures that the acid and alkali components of the gas discharged from the first gas outlet are completely neutralized, and does not require an additional detection device, thereby increasing the cost. Specifically, the number of the nozzles on the first nozzle, the second nozzle and the third nozzle is multiple, and the nozzles can spray water upwards or downwards.
The gas from the first gas outlet enters the filter box from the second gas inlet through the first air pipe, is filtered by the multi-layer cleaning layer of the filter box to remove small particles and moisture in the gas, and then enters the sterilizing box from the second gas outlet for sterilization to kill gas possibly existing in the gas. In particular, activated carbon can be placed in the disinfection box, and disinfection or color adsorption can be realized through adsorption. The invention has the advantages of completely removing acid and alkali components in the waste gas, removing particles and moisture in the waste gas and sterilizing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an exhaust gas treatment system according to an embodiment of the present invention;
FIG. 2 is another schematic view of an exhaust gas treatment system according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a water washing tower according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a filter box according to an embodiment of the invention.
The reference numbers illustrate:
1. washing the tower with water; 11. a first air inlet; 12. a first nozzle; 13. a first filter layer; 14. a second nozzle; 15. a second filter layer; 16. a third spray head; 17. a third filter layer; 18. a particle removal layer; 19. a funnel; 2. a first air duct; 3. a filter box; 31. a first cleaning layer; 32. a second cleaning layer; 33. a third cleaning layer; 34. a first cavity; 35. a second cavity; 36. a third cavity; 37. a fourth cavity; 4. a second air duct; 5. a sterilizing box; 6. an exhaust device; 61. an exhaust fan; 62. an exhaust duct; 71. a first detection device; 72. a second detection device; 73. a third detection device; 74. a fourth detection device; 75. a fifth detecting device; 101. a wastewater collection tank; 102. a drain pipe; 103. an access hole; 104. a first air outlet.
The implementation, functional features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a waste gas treatment system, which comprises a water scrubber 1, a first air pipe 2, a filter box 3, a second air pipe 4, a disinfection box 5 and an exhaust device 6, which are sequentially communicated;
a first air inlet 11 is formed in the bottom of the water washing tower 1, a first air outlet 104 is formed in the top of the water washing tower 1, and one end of a first air pipe 2 is communicated with the first air outlet 104; a first spray head 12, a first filter layer 13, a second spray head 14, a second filter layer 15, a third spray head 16 and a third filter layer 17 are sequentially arranged in the washing tower 1 from the bottom of the washing tower 1 to the top of the washing tower 1 at intervals, the first spray head 12 is used for spraying alkaline purification liquid, and the first filter layer 13 is soaked with the alkaline purification liquid; the second nozzle 14 is used for spraying the acidic purification liquid, and the second filter layer 15 is soaked with the acidic purification liquid; the third nozzle 16 is used for spraying neutral purification liquid, and the third filter layer 17 is soaked with the neutral purification liquid;
the filter box 3 comprises a second air inlet and a second air outlet, the second air inlet is communicated with the other end of the first air pipe 2, cleaning layers are arranged in the filter box 3 at intervals, the number of the cleaning layers is multiple, and waste gas coming from the second air inlet is discharged from the second air outlet through the multiple cleaning layers in sequence;
the sterilizing box 5 comprises a third air inlet and a third air outlet, one end of the second air pipe 4 is communicated with the second air outlet, the other end of the second air pipe 4 is communicated with the third air inlet, and the exhaust device 6 is communicated with the third air outlet.
In the above embodiment, the exhaust gas enters the water scrubber 1 from the first gas inlet 11 at the bottom of the water scrubber 1, rises from the bottom of the water scrubber 1, and sequentially passes through the first nozzle 12, the first filter layer 13, the second nozzle 14, the second filter layer 15, the third nozzle 16 and the third filter layer 17, the first nozzle 12 is used for spraying the alkaline purification solution to extract the acidic components in the exhaust gas, in order to ensure that the acidic components are completely removed, the alkaline purification solution is soaked in the first filter layer 13 to further neutralize the acidic components in the exhaust gas, of course, in order to save the alkali solution, the concentration of the alkaline purification solution in the first filter layer 13 may be set to be smaller than that of the alkaline purification solution sprayed by the first nozzle 12, because the acidic components of the exhaust gas sprayed by the first nozzle 12 are necessarily reduced. Similarly, the second nozzle 14 is used for spraying the acidic purification solution to take out the alkaline component in the exhaust gas, in order to ensure that the alkaline component is completely removed, the acidic purification solution is soaked in the first filter layer 13 to further neutralize the alkaline component in the exhaust gas, and of course, in order to save the acid solution, the concentration of the acidic purification solution in the first filter layer 13 may be set to be less than that of the acidic purification solution sprayed by the first nozzle 12, because the alkaline concentration of the exhaust gas sprayed by the first nozzle 12 is inevitably reduced. Meanwhile, in order to prevent acid and alkali components remaining in the exhaust gas due to excessive use of acid or alkali in the first nozzle 12 and the first filter layer 13, or the second nozzle 14 and the second filter layer 15, a neutral purification liquid may be sprayed through the third nozzle 16, and the third filter layer 17 is a neutral purification liquid soaked to neutralize the acid or alkali remaining in the exhaust gas, where the neutral purification liquid refers to a neutralization liquid capable of reacting with both acid and alkali, such as sodium bicarbonate liquid. Of course, the concentration of the neutral cleaning liquid in the third filter layer 17 may be set to be smaller than that sprayed from the third spray head 16. This ensures that the acid and base components of the gas exiting first gas outlet 104 are completely neutralized, without the need for additional detection equipment and thus increasing the cost. Specifically, the number of the nozzles on the first nozzle 12, the second nozzle 14 and the third nozzle 16 is plural, the nozzles can spray water upwards or downwards, the first nozzle 12, the second nozzle 14 and the third nozzle 16 are respectively communicated with different external water storage tanks, and the concentration of the acidity and the alkalinity in the water storage tanks can be specifically set according to actual needs.
The gas from first gas outlet 104 enters filter box 3 from the second gas inlet through first tuber pipe 2, after filtering through the multilayer cleaning layer of filter box 3, gets rid of the tiny particle and moisture in the gas, then gets into disinfect box 5 from the second gas outlet and disinfects, kills the gas that probably exists in the gas. In particular, activated carbon may be placed in the sterilization chamber 5, which may be sterilized by adsorption or may absorb color. The embodiment has the advantages of completely removing acid and alkali components in the waste gas, removing particles and moisture in the waste gas and sterilizing.
In an embodiment, the first cleaning layer 31, the second cleaning layer 32 and the third cleaning layer 33 are arranged at intervals, the first cleaning layer 31, the second cleaning layer 32 and the third cleaning layer 33 are sequentially arranged from the second air inlet towards the second air outlet, the first cleaning layer 31 is a filter screen layer, the second cleaning layer 32 is a drying layer, and the third cleaning layer 33 is an intermediate-efficiency filter bag layer. Specifically, the filter screen layer may include a plurality of mesh cloths or metal nets for taking out particles in the exhaust gas; the drying layer can be activated carbon or other drying agents and is used for removing water vapor in the waste gas; the medium-efficiency filter bag is a filter product which can be used for trapping 1-55 mu m of particle dust and various suspended matters, usually adopts special non-woven fabrics or glass fibers, and can be repeatedly cleaned. The filter has the advantages of large effective filtering area, large dust holding capacity, small resistance and large ventilation; frame and support frame all can used repeatedly, only need change when changing the filter and cross the filter bag, and convenient and fast, greatly reduced running cost expense can further get rid of the tiny particle in the gas, further plays the effect of getting rid of impurity, air-purifying.
In one embodiment, the cleaning layer divides the filter box 3 into a first cavity 34, a second cavity 35, a third cavity 36 and a fourth cavity 37 which are sequentially arranged at intervals, the first cavity 34 is communicated with the first air duct 2, the second cavity 35 is formed between the first cleaning layer 31 and the second cleaning layer 32, the third cavity 36 is formed between the second cleaning layer 32 and the third cleaning layer 33, and the fourth cavity 37 is communicated with the second air outlet; the filter box 3 is further provided with a first detection device 71 and a second detection device 72, the first detection device 71 is disposed in the first cavity 34, and the second detection device 72 is disposed in the fourth cavity 37. Specifically, the first detection device 71 and the second detection device 72 may be configured to detect a particulate matter concentration (e.g., PM2.5, PM10), a moisture content, or other indicators, the first detection device 71 is configured to detect an exhaust gas indicator parameter before passing through the cleaning layer, the second detection device 72 is configured to detect an exhaust gas indicator parameter after passing through the cleaning layer, and the values detected by the first detection device 71 and the detection devices are compared to determine a cleaning effect of the cleaning layer, so as to determine whether the cleaning layer needs to be replaced, thereby achieving a purpose of real-time monitoring.
In an embodiment, a third detection device 73, a fourth detection device 74 and a fifth detection device 75 are further arranged in the filter tank 3;
one detection end of the third detection device 73 is disposed on the first cavity 34 near the first cleaning layer 31, and the other detection end of the third detection device 73 is disposed on the second cavity 35 near the first cleaning layer 31;
one detection end of the fourth detection device 74 is disposed at one side of the second cavity 35 close to the second cleaning layer 32, and the other detection end of the fourth detection device 74 is disposed at one side of the third cavity 36 close to the second cleaning layer 32;
one detecting end of the fifth detecting device 75 is disposed on the side of the third cavity 36 close to the third cleaning layer 33, and the other detecting end of the fifth detecting device 75 is disposed on the side of the fourth cavity 37 close to the third cleaning layer 33. The third detecting device 73, the fourth detecting device 74 and the fifth detecting device 75 are all pressure difference meters, and the pressure difference meters are used for detecting the pressure difference value at two sensing ends of the pressure difference meters. The functions of the third detecting device 73, the fourth detecting device 74 and the fifth detecting device 75 are similar to the first detecting device 71 and the second detecting device 72, and are not described in detail herein. It should be noted that, in this embodiment, a pressure gauge is used for measurement, and the cleaning effect of each cleaning layer is reflected by pressure difference, and if the pressure difference is large, the cleaning effect is proved to be good, or the exhaust gas pollution is serious; when the pressure difference value is smaller, the cleaning effect is poor, or the waste gas contains less impurities, the measuring result of the pressure gauge is more stable, the influence of humidity and temperature is not easy to occur, and the cost is low.
In one embodiment, the first cleaning layer 31 and the second cleaning layer 32 are disposed in a bent manner. The bending may be wave-shaped, concave-convex, fold-line-shaped or any shape with bending. The bending design is adopted to increase the surface area of the first cleaning layer 31 and the second cleaning layer 32 and improve the cleaning effect.
In an embodiment, a particle removing layer 18 is further disposed in the water washing tower 1, the particle removing layer 18 is disposed below the first nozzle 12 and above the first air inlet 11, and the particle removing layer 18 includes a plurality of layers of mesh cloth with meshes, and the mesh cloth is used for blocking particles in the exhaust air coming from the first air inlet 11. The particle removing layer 18 is used for preliminarily removing large particle impurities in the exhaust gas, so that the burden of a later filtering layer is reduced, and the purifying effect is improved.
In one embodiment, the bottom of the water washing tower 1 is provided with a funnel 19 and a waste water collection tank 101, the funnel 19 is arranged above the waste water collection tank 101, the bottom of the waste water collection tank 101 is connected with a drain pipe 102, and the drain pipe 102 is provided with a drain valve. The funnel 19 is used for collecting the waste water sprayed by the first spray head 12, the second spray head 14 and the third spray head 16, and flows into the waste water collection tank 101 from the hole of the funnel 19, and is discharged or recycled through the drain pipe 102.
In one embodiment, the vertical side wall of the washing tower 1 is provided with an access opening 103, and the first air duct 2 is provided with a fan therein, wherein the fan is used for discharging the waste air from the first air outlet 104 to the second air inlet. The maintenance port 103 is arranged for facilitating maintenance, and the fan is arranged for forming suction at the first air outlet 104, accelerating air flow and accelerating air purification efficiency in the washing tower 1; on the other hand, the waste gas is rapidly discharged from the first air outlet 104 to the second air inlet, so that the air flow is accelerated, the purification efficiency is improved, and the air backflow can be prevented.
In one embodiment, the exhaust device 6 comprises an exhaust fan 61 and an exhaust duct 62, one end of the exhaust duct 62 is communicated with the third air outlet, the other end of the exhaust duct 62 is open to the atmosphere, and the exhaust fan 61 is used for exhausting the air in the disinfection tank. The air completely purified is exhausted to the atmosphere by the suction force generated by the exhaust fan 61, and the whole air purification process is completed.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the claims and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An exhaust treatment system, comprising:
the washing tower, the first air pipe, the filter box, the second air pipe, the disinfection box and the exhaust device are sequentially communicated;
a first air inlet is formed in the bottom of the washing tower, a first air outlet is formed in the top of the washing tower, and one end of the first air pipe is communicated with the first air outlet; first nozzles, a first filter layer, a second nozzle, a second filter layer, a third nozzle and a third filter layer are sequentially arranged in the washing tower from the bottom of the washing tower to the top of the washing tower at intervals, the first nozzles are used for spraying alkaline purification liquid, and the first filter layer is soaked with the alkaline purification liquid; the second nozzle is used for spraying the acidic purification liquid, and the second filter layer is soaked with the acidic purification liquid; the third nozzle is used for spraying neutral purification liquid, and the third filter layer is soaked with the neutral purification liquid;
the filter box comprises a second air inlet and a second air outlet, the second air inlet is communicated with the other end of the first air pipe, cleaning layers are arranged in the filter box at intervals, the number of the cleaning layers is multiple, and waste gas entering from the second air inlet passes through the multiple cleaning layers in sequence and is discharged from the second air outlet;
the sterilizing box comprises a third air inlet and a third air outlet, one end of the second air pipe is communicated with the second air outlet, the other end of the second air pipe is communicated with the third air inlet, and the exhaust device is communicated with the third air outlet.
2. The exhaust gas treatment system of claim 1, wherein the first cleaning layer, the second cleaning layer and the third cleaning layer are arranged at intervals, the first cleaning layer, the second cleaning layer and the third cleaning layer are arranged in sequence from the second gas inlet to the second gas outlet, the first cleaning layer is a filter screen layer, the second cleaning layer is a drying layer, and the third cleaning layer is an intermediate-efficiency filter bag layer.
3. The exhaust treatment system of claim 2, wherein the cleaning layer divides the filter box into a first cavity, a second cavity, a third cavity and a fourth cavity arranged at intervals in sequence, the first cavity is communicated with the first air duct, the second cavity is formed between the first cleaning layer and the second cleaning layer, the third cavity is formed between the second cleaning layer and the third cleaning layer, and the fourth cavity is communicated with the second air outlet; still be provided with first detection device and second detection device in the rose box, first detection device set up in the first cavity, the second detection device set up in the fourth cavity.
4. The exhaust treatment system of claim 2, wherein a third detection device, a fourth detection device and a fifth detection device are further disposed in the filter box;
one detection end of the third detection device is arranged on one side of the first cavity close to the first cleaning layer, and the other detection end of the third detection device is arranged on one side of the second cavity close to the first cleaning layer;
one detection end of the fourth detection device is arranged on one side, close to the second cleaning layer, of the second cavity, and the other detection end of the fourth detection device is arranged on one side, close to the second cleaning layer, of the third cavity;
one detection end of the fifth detection device is arranged on one side, close to the third cleaning layer, of the third cavity, and the other detection end of the fifth detection device is arranged on one side, close to the third cleaning layer, of the fourth cavity.
5. The exhaust treatment system of claim 4, wherein the third detecting device, the fourth detecting device and the fifth detecting device are all pressure difference gauges, and the pressure difference gauges are used for detecting the pressure difference value of two sensing ends of the pressure difference gauges.
6. The exhaust treatment system of claim 2, wherein the first cleaning layer and the second cleaning layer are disposed in a fold.
7. The exhaust treatment system of any of claims 1-6, wherein a particle removal layer is further disposed within the water scrubber, the particle removal layer being disposed below the first spray head and above the first air inlet, the particle removal layer comprising a plurality of layers of mesh cloth having mesh openings, the mesh cloth being configured to block particles in the exhaust gas entering from the first air inlet.
8. The exhaust gas treatment system according to any one of claims 1 to 6, wherein a funnel and a waste water collection tank are provided at the bottom of the washing tower, the funnel is provided above the waste water collection tank, a drain pipe is connected to the bottom of the waste water collection tank, and a drain valve is provided on the drain pipe.
9. An effluent treatment system as claimed in any one of claims 1 to 6 wherein said vertical side walls of said water scrubber tower are provided with access openings and a fan is provided within said first air duct for exhausting effluent from said first outlet opening to said second inlet opening.
10. The exhaust treatment system of any of claims 1-6, wherein the exhaust device includes an exhaust fan and an exhaust duct, one end of the exhaust duct is in communication with the third air outlet, the other end of the exhaust duct is open to the atmosphere, and the exhaust fan is configured to exhaust air from the disinfection tank.
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|---|---|---|---|
| CN202111633507.7A CN114259860A (en) | 2021-12-28 | 2021-12-28 | Exhaust gas treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111633507.7A CN114259860A (en) | 2021-12-28 | 2021-12-28 | Exhaust gas treatment system |
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| CN114259860A true CN114259860A (en) | 2022-04-01 |
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| CN202111633507.7A Pending CN114259860A (en) | 2021-12-28 | 2021-12-28 | Exhaust gas treatment system |
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| CN115970466A (en) * | 2023-01-29 | 2023-04-18 | 紫科装备股份有限公司 | Lithium power battery electrolyte waste gas treatment process |
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