CN213790953U - Waste gas treatment device - Google Patents
Waste gas treatment device Download PDFInfo
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- CN213790953U CN213790953U CN202022148013.7U CN202022148013U CN213790953U CN 213790953 U CN213790953 U CN 213790953U CN 202022148013 U CN202022148013 U CN 202022148013U CN 213790953 U CN213790953 U CN 213790953U
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- 239000002912 waste gas Substances 0.000 title claims abstract description 55
- 239000007789 gas Substances 0.000 claims abstract description 92
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 69
- 230000001699 photocatalysis Effects 0.000 claims abstract description 69
- 238000001179 sorption measurement Methods 0.000 claims abstract description 42
- 230000003647 oxidation Effects 0.000 claims abstract description 30
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 abstract description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 6
- 239000001569 carbon dioxide Substances 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 description 26
- 230000000694 effects Effects 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
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- 230000009471 action Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- OUUQCZGPVNCOIJ-UHFFFAOYSA-N hydroperoxyl Chemical compound O[O] OUUQCZGPVNCOIJ-UHFFFAOYSA-N 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a waste gas treatment device, which comprises a dust remover and a purifier which are connected through a gas transmission pipeline and a blower, wherein the purifier comprises a shell, two opposite side walls of the shell are respectively provided with a first gas inlet and a gas outlet, and a uniform flow net, a first active carbon adsorption module, a plasma reaction module, a photocatalytic oxidation module, a demisting plate and a second active carbon adsorption module are sequentially arranged in the shell along the direction from the first gas inlet to the gas outlet; the purifier also comprises a three-position three-way electromagnetic valve, a gas quality detection sensor and a first controller. The utility model discloses a dust remover, active carbon adsorption, plasma reaction and photocatalytic oxidation's synergism make organic pollutant and foul gas degradation in the waste gas change into low molecular compound, water and carbon dioxide, and then reach harmless the emission, can not produce secondary pollution to the atmosphere, also solved simultaneously among the prior art can not confirm whether the waste gas after handling reaches emission standard and just discharges the problem.
Description
Technical Field
The utility model relates to a waste gas treatment device technical field, concretely relates to waste gas treatment device.
Background
The waste gas purification mainly refers to the treatment of industrial waste gas generated in industrial places, such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas. Common waste gas purification includes factory smoke and waste gas purification, workshop dust and waste gas purification, organic waste gas purification, waste gas peculiar smell purification and the like. The existing waste gas purification equipment has a single treatment process, can obtain a certain purification effect, but has poor purification effect and usually generates secondary pollution; in addition, the existing waste gas purification equipment can not detect the pollutant concentration of the treated waste gas and can not circularly purify the waste gas which does not reach the standard after purification.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough, a waste gas treatment device is provided, through the dust remover, activated carbon adsorption, plasma reaction and photocatalytic oxidation's synergism, organic pollutant and foul gas degradation in the messenger waste gas are changed into low molecular compound, water and carbon dioxide, and then reach harmless emission, can not produce secondary pollution to the atmosphere, through tribit three-way solenoid valve, gaseous quality detection sensor and first controller, the problem of whether can not confirm among the prior art that the waste gas after handling reaches emission standard and just discharges has been solved.
In order to achieve the above object, the present invention provides a waste gas treatment device, comprising a dust collector and a purifier connected with a blower through a gas transmission pipeline, wherein the purifier comprises a housing, two opposite side walls of the housing are respectively provided with a first gas inlet and a gas outlet, and a uniform flow net, a first activated carbon adsorption module, a plasma reaction module, a photocatalytic oxidation module, a demister plate and a second activated carbon adsorption module are sequentially arranged in the housing along the direction from the first gas inlet to the gas outlet;
the purifier also comprises a three-position three-way electromagnetic valve, a gas quality detection sensor and a first controller, wherein the three-position three-way electromagnetic valve comprises an electromagnetic valve body, a first interface, a second interface, a third interface and two electromagnets are arranged on the electromagnetic valve body, and the two electromagnets are respectively an electromagnet A and an electromagnet B; a second air inlet is formed in the side wall of the shell, the first air inlet and the second air inlet are located in the same side wall of the shell, a first interface of the three-position three-way electromagnetic valve is connected with the air outlet through a gas transmission pipeline, a second interface of the three-position three-way electromagnetic valve is connected with the second air inlet through a gas transmission pipeline, and a third interface of the three-position three-way electromagnetic valve is connected with an exhaust pipe; the gas quality detection sensor is installed in a gas transmission pipeline between a first interface of the three-position three-way electromagnetic valve and the gas outlet, the first controller is installed on the outer side wall of the shell, and the first controller is respectively in control connection with the three-position three-way electromagnetic valve and the gas quality detection sensor.
By adopting the technical scheme, when the waste gas treatment device is used, solid particles or liquid drops carried in the waste gas are removed by the dust remover, so that the influence of the solid particles or the liquid drops on the treatment effect of the purifier is avoided; waste gas treated by the dust remover is primarily purified by the first active carbon adsorption module, then the waste gas is deeply purified by plasma and photocatalytic oxidation in sequence, fog drops can be generated in the purification process of the photocatalytic oxidation module, the fog drops generated in the purification process of the photocatalytic oxidation are filtered by the defogging plate, the risk that the fog drops generated in the purification process of the photocatalytic oxidation are discharged into the air to easily generate secondary pollution is avoided, and finally harmful substances and odor in the waste gas are further degraded by the second active carbon adsorption module to reach the emission standard; the utility model discloses in detect the waste gas after purifying through gas quality detection sensor, when the result that gas quality detection sensor detected is unqualified, first controller control tribit three-way solenoid valve makes the gas of gas outlet return to and carries out purification treatment again in the clarifier from the second air inlet, when the result that gas quality detection sensor detected is qualified, first controller control tribit three-way solenoid valve makes the gas of gas outlet discharge from the blast pipe, whether the waste gas after having solved among the prior art can not affirm to handle reaches emission standard and just discharges the problem.
In the above exhaust gas treatment device, the dust remover is a cyclone dust remover.
The above-mentioned exhaust treatment device, wherein, first active carbon adsorption module with second active carbon adsorption module structure is the same, first active carbon adsorption module includes the edge first air inlet extremely a plurality of active carbon adsorption net that the gas outlet direction evenly set up, active carbon adsorption net lateral wall with casing inside wall sealing connection, the perpendicular cross-section of active carbon adsorption net is the zigzag.
By adopting the technical scheme, the vertical section of the activated carbon adsorption net is arranged to be zigzag, so that the contact area between the waste gas and the activated carbon adsorption net is increased, and the waste gas treatment efficiency and effect are improved.
The plasma reaction module comprises a positive plate and a negative plate, the positive plate is mounted on the inner bottom wall of the shell, the negative plate is mounted on the inner top wall of the shell, the negative plate is located above the positive plate, at least two metal conductive tips are arranged on the lower end face of the negative plate, the metal conductive tips are electrically connected with the negative plate, and the negative plate is connected with an external high-frequency high-voltage power supply.
By adopting the technical scheme, when the potential difference between the negative plate and the positive plate provided with the metal conductive tip is increased to a certain value, the whole electric field is ionized to generate corona discharge to form low-temperature plasma, electrons obtain energy from the electric field in the discharge process of the low-temperature plasma, the energy is converted into internal energy or kinetic energy of pollutant molecules through collision, the molecules obtaining the energy are excited or ionized to form active groups, and meanwhile, oxygen and moisture in the air can also generate a large amount of active groups under the action of high-energy electronsThe active groups of the catalyst are active hydrogen, active oxygen, hydroxyl oxygen and the like, and after the active groups collide with each other, a series of complex physical and chemical reactions are initiated. The pollutant in the waste gas is finally converted into CO2And H2O and the like, thereby achieving the purpose of purifying the waste gas.
The above exhaust gas treatment device, wherein the photocatalytic oxidation module includes a plurality of first photocatalytic networks uniformly arranged along the direction from the first gas inlet to the gas outlet, a second photocatalytic network is arranged between the adjacent first photocatalytic networks, the upper end surface of the first photocatalytic network is fixedly connected with the inner top wall of the housing, a gap is formed between the lower end surface of the first photocatalytic network and the inner top wall of the housing, the lower end surface of the second photocatalytic network is fixedly connected with the inner bottom wall of the housing, and a gap is formed between the upper end surface of the second photocatalytic network and the inner top wall of the housing; an ultraviolet light source component is arranged between the first photocatalytic net and the second photocatalytic net which are adjacent.
Through adopting above-mentioned technical scheme, form a serpentine channel between first photocatalysis net and the second photocatalysis net, increased the time that the waste gas stream passes through the photocatalytic oxidation module, and then improved photocatalytic oxidation purification efficiency.
Foretell exhaust treatment device, wherein, the photocatalytic oxidation module still including install in second controller and alarm on the casing lateral wall, first photocatalytic network orientation ultraviolet light intensity sensor is installed to one side of second photocatalytic network, the second controller respectively with ultraviolet light intensity sensor the alarm electricity is connected.
Through adopting above-mentioned technical scheme, when waste gas passes through the photocatalytic oxidation module among the prior art, remaining dust and particulate matter are attached to on the ultraviolet light source subassembly easily in the waste gas to produce to the ultraviolet ray and shelter from the influence photocatalytic oxidation purification efficiency, the utility model discloses in detect the ultraviolet light intensity in the casing through ultraviolet light intensity sensor, predetermine the ultraviolet light intensity value in the second controller and be Y, when ultraviolet light intensity sensor detected the ultraviolet light intensity value and is less than Y, controller control alarm reminds the staff to handle in time.
In the above exhaust gas treatment device, the vertical section of the defogging plate is wavy.
Through adopting above-mentioned technical scheme, through setting up the defogging board into the wave, increased the area of contact of waste gas with the defogging board, improved defogging efficiency.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model relates to an exhaust treatment device, through dust remover, activated carbon adsorption, plasma reaction and photocatalytic oxidation's synergism, organic pollutant and foul gas degradation in the messenger waste gas are changed into low molecular compound, water and carbon dioxide, and then reach harmless emission, can not produce secondary pollution to the atmosphere, through tribit three-way solenoid valve, gaseous quality detection sensor and first controller, solved among the prior art can not confirm whether the waste gas after handling reaches emission standard and just discharges the problem.
Drawings
FIG. 1 is a schematic configuration diagram of an exhaust gas treatment device according to embodiment 1;
FIG. 2 is a schematic view of the structure of a purifier in example 1;
FIG. 3 is a schematic structural view of a three-position, three-way solenoid valve according to embodiment 1;
FIG. 4 is a schematic view showing the structure of an activated carbon adsorption net in example 1;
FIG. 5 is a schematic view showing the structure of a defogging plate in example 1;
fig. 6 is a schematic structural view of a purifier in example 2.
The correspondence between each mark and the part name is as follows:
the device comprises a blower 1, a dust remover 2, a purifier 3, a shell 4, a first air inlet 5, a second air inlet 6, an air outlet 7, a flow equalizing net 8, a three-position three-way electromagnetic valve 9, a first interface 10, a second interface 11, a third interface 12, an electromagnet A13, an electromagnet B14, a gas quality detection sensor 15, a first controller 16, a first activated carbon adsorption module 17, a second activated carbon adsorption module 18, an activated carbon adsorption net 19, a defogging plate 20, a positive plate 21, a negative plate 22, a metal conductive tip 23, a first photocatalytic net 24, a second photocatalytic net 25, an ultraviolet light source assembly 26, an exhaust pipe 27, an electromagnetic valve body 28, an alarm 29, an ultraviolet light intensity sensor 30 and a second controller 31.
Detailed Description
In order to make the technical means of the implementation of the present invention, for making the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below, and it is clear and completely described the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1 and fig. 2, the embodiment discloses a waste gas treatment device, including dust remover 2 connected through gas transmission line and forced draught blower 1, clarifier 3 includes casing 4, be equipped with first air inlet 5, gas outlet 7 on the relative both sides wall of casing 4 respectively, be equipped with equal flow net 8, first active carbon adsorption module 17, plasma reaction module, photocatalytic oxidation module, defogging board 20, second active carbon adsorption module 18 along 5 mouths of first air inlet to gas outlet 7 directions in the casing 4 in proper order.
In addition, referring to fig. 2 and 3, the purifier 3 in this embodiment further includes a three-position three-way solenoid valve 9, a gas quality detection sensor 15, and a first controller 16, where the three-position three-way solenoid valve 9 includes a solenoid valve body 28, and the solenoid valve body 28 is provided with a first port 10, a second port 11, a third port 12, and two electromagnets, which are respectively an electromagnet a13 and an electromagnet B14; a second air inlet 6 is arranged on the side wall of the shell 4, the first air inlet 5 and the second air inlet 6 are positioned on the same side wall of the shell 4, a first interface 10 of the three-position three-way electromagnetic valve 9 is connected with an air outlet 7 through an air transmission pipeline, a second interface 11 of the three-position three-way electromagnetic valve 9 is connected with the second air inlet 6 through the air transmission pipeline, and a third interface 12 of the three-position three-way electromagnetic valve 9 is connected with an exhaust pipe 27; a gas quality detection sensor 15 is arranged in a gas transmission pipeline between a first interface 10 of the three-position three-way electromagnetic valve 9 and the gas outlet 7, a first controller 16 is arranged on the outer side wall of the shell 4, and the first controller 16 is respectively in control connection with the three-position three-way electromagnetic valve 9 and the gas quality detection sensor 15. The model of the first controller 16 in the present embodiment is STM32F103 RE.
During specific use, the purified waste gas is detected by the gas quality detection sensor 15 in the embodiment, when the result detected by the gas quality detection sensor 15 is unqualified, the first controller 16 controls the three-position three-way electromagnetic valve 9 to return the gas at the gas outlet 7 into the purifier 3 from the second gas inlet 6 for purification again, and when the result detected by the gas quality detection sensor 15 is qualified, the first controller 16 controls the three-position three-way electromagnetic valve 9 to discharge the gas at the gas outlet 7 from the exhaust pipe 27, so that the problem that whether the treated waste gas reaches the emission standard or not in the prior art is solved.
Specifically, before the purifier 3 finishes working, the first controller 16 defaults that the electromagnet a13 and the electromagnet B14 of the three-position three-way electromagnetic valve 9 lose power simultaneously, when the result detected by the gas quality detection sensor 15 is unqualified, the controller controls the electromagnet a to be powered and the electromagnet B14 to be powered, the channel between the first interface 10 and the second interface 11 is opened, the gas at the gas outlet 7 returns to the purifier 3 from the second gas inlet 6 for purification treatment again, when the result detected by the gas quality detection sensor 15 is qualified, the controller controls the electromagnet a to be powered and the electromagnet B14 to be powered, and the gas at the gas outlet 7 is discharged from the exhaust pipe 27.
The dust separator 2 in this embodiment is a cyclone.
Referring to fig. 4, in the present embodiment, the first activated carbon adsorption module 17 and the second activated carbon adsorption module 18 have the same structure, the first activated carbon adsorption module 17 includes a plurality of activated carbon adsorption nets 19 uniformly arranged along the direction from the first air inlet 5 to the air outlet 7, the outer side wall of the activated carbon adsorption net 19 is hermetically connected with the inner side wall of the housing 4, and the vertical cross section of the activated carbon adsorption net 19 is zigzag. The vertical section of the activated carbon adsorption net 19 is arranged to be zigzag, so that the contact area between the waste gas and the activated carbon adsorption net 19 is increased, and the waste gas treatment efficiency and effect are improved.
Referring to fig. 2, the plasma reaction module in this embodiment includes a positive electrode plate 21 and a negative electrode plate 22, the positive electrode plate 21 is mounted on the inner bottom wall of the case 4, and the negative electrode plate 22 is mountedOn the roof in casing 4, negative plate 22 is located positive plate 21 directly over, and negative plate 22 terminal surface is equipped with two at least metal electrically conductive pointed end 23 down, and metal electrically conductive pointed end 23 is connected with negative plate 22 electricity, and negative plate 22 is connected with external high frequency high voltage power supply. When the potential difference between the negative plate 22 and the positive plate 21 provided with the metal conductive tip 23 is increased to a certain value, the whole electric field is ionized to generate corona discharge to form low-temperature plasma, electrons obtain energy from the electric field in the low-temperature plasma discharge process, the energy is converted into internal energy or kinetic energy of pollutant molecules through collision, the molecules obtaining the energy are excited or ionized to form active groups, meanwhile, oxygen and moisture in the air can also generate a large amount of nascent hydrogen, active oxygen, hydroxyl oxygen and other active groups under the action of high-energy electrons, and a series of complex physical and chemical reactions are initiated after the active groups collide with each other. The pollutant in the waste gas is finally converted into CO2And H2O and the like, thereby achieving the purpose of purifying the waste gas.
The photocatalytic oxidation module in the embodiment comprises a plurality of first photocatalytic networks 24 uniformly arranged along the direction from the first air inlet 5 to the air outlet 7, a second photocatalytic network 25 is arranged between the adjacent first photocatalytic networks 24, the upper end surface of each first photocatalytic network 24 is fixedly connected with the inner top wall of the shell 4, a gap is formed between the lower end surface of each first photocatalytic network 24 and the inner top wall of the shell 4, the lower end surface of each second photocatalytic network 25 is fixedly connected with the inner bottom wall of the shell 4, and a gap is formed between the upper end surface of each second photocatalytic network 25 and the inner top wall of the shell 4; an ultraviolet light source component 26 is arranged between the adjacent first photocatalytic net 24 and the second photocatalytic net 25. A serpentine channel is formed between the first photocatalytic net 24 and the second photocatalytic net 25, so that the time of the waste gas flow passing through the photocatalytic oxidation module is increased, and the photocatalytic oxidation purification efficiency is improved.
The uv light source assembly 26 in this embodiment is a uv lamp.
Specifically, referring to fig. 5, the vertical section of the defogging plate 20 in the present embodiment is wavy. Through setting up defogging plate 20 for the wave, increased the area of contact of waste gas with defogging plate 20, improved defogging efficiency.
When the waste gas treatment device in the embodiment is used, solid particles or liquid drops carried in the waste gas are removed through the dust remover 2, so that the influence of the solid particles or the liquid drops on the treatment effect of the purifier 3 is avoided; waste gas through dust remover 2 processing carries out preliminary purification through first active carbon adsorption module 17 to the waste gas of accomplishing the dust removal, then loop through plasma and photocatalytic oxidation again and carry out deep purification to waste gas, can produce the droplet among the photocatalytic oxidation module purification process, the droplet that produces among the photocatalytic oxidation purification process is filtered through defogging board 20, the risk that easily produces secondary pollution in having avoided the droplet that produces among the photocatalytic oxidation purification process to discharge to the air, harmful substance and stink in the waste gas are further degraded to rethread second active carbon adsorption module 18 at last, make it reach emission standard.
In summary, in the exhaust gas treatment device in this embodiment, through the synergistic effect of the dust remover, the activated carbon adsorption, the plasma reaction and the photocatalytic oxidation, the organic pollutants and the malodorous gas in the exhaust gas are degraded and converted into low molecular compounds, water and carbon dioxide, so as to achieve harmless emission, and no secondary pollution is generated to the atmosphere, and through the three-position three-way electromagnetic valve 9, the gas quality detection sensor 15 and the first controller 16, the problem that whether the treated exhaust gas meets the emission standard or not and then is emitted in the prior art is solved.
Example 2
Referring to fig. 6, the present embodiment discloses an exhaust gas treatment device, and the structure of the exhaust gas treatment device in the present embodiment is different from that of the exhaust gas treatment device in embodiment 1 in that: the photocatalytic oxidation module in this embodiment further includes a second controller 31 and an alarm 29 which are installed on the outer side wall of the housing 4, the ultraviolet light intensity sensor 30 is installed on the side of the first photocatalytic network 24 facing the second photocatalytic network 25, and the second controller 31 is electrically connected with the ultraviolet light intensity sensor 30 and the alarm 29, respectively.
The model of the second controller 31 in this embodiment is STM32F103RCT 6.
The alarm 29 in this embodiment is an audible and visual alarm.
When waste gas passes through the photocatalytic oxidation module among the prior art, remaining dust and particulate matter are attached to on ultraviolet ray source module 26 easily in the waste gas to shelter from influence photocatalytic oxidation purification efficiency to the ultraviolet ray production, the utility model discloses in detect the ultraviolet luminous intensity in to casing 4 through ultraviolet luminous intensity sensor 30, predetermine the ultraviolet luminous intensity value in the second controller 31 and be Y, when ultraviolet luminous intensity sensor 30 detected the ultraviolet luminous intensity value and is less than Y, controller control alarm 29 reminds the staff to carry out timely processing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A waste gas treatment device is characterized by comprising a dust remover and a purifier which are connected with a blower through a gas transmission pipeline, wherein the purifier comprises a shell, a first gas inlet and a gas outlet are respectively arranged on two opposite side walls of the shell, and a uniform flow net, a first activated carbon adsorption module, a plasma reaction module, a photocatalytic oxidation module, a demisting plate and a second activated carbon adsorption module are sequentially arranged in the shell along the direction from the first gas inlet to the gas outlet;
the purifier also comprises a three-position three-way electromagnetic valve, a gas quality detection sensor and a first controller, wherein the three-position three-way electromagnetic valve comprises an electromagnetic valve body, a first interface, a second interface, a third interface and two electromagnets are arranged on the electromagnetic valve body, and the two electromagnets are respectively an electromagnet A and an electromagnet B; a second air inlet is formed in the side wall of the shell, the first air inlet and the second air inlet are located in the same side wall of the shell, a first interface of the three-position three-way electromagnetic valve is connected with the air outlet through a gas transmission pipeline, a second interface of the three-position three-way electromagnetic valve is connected with the second air inlet through a gas transmission pipeline, and a third interface of the three-position three-way electromagnetic valve is connected with an exhaust pipe; the gas quality detection sensor is installed in a gas transmission pipeline between a first interface of the three-position three-way electromagnetic valve and the gas outlet, the first controller is installed on the outer side wall of the shell, and the first controller is respectively in control connection with the three-position three-way electromagnetic valve and the gas quality detection sensor.
2. An exhaust gas treatment device according to claim 1, wherein the dust separator is a cyclone.
3. The exhaust gas treatment device according to claim 1, wherein the first activated carbon adsorption module and the second activated carbon adsorption module have the same structure, the first activated carbon adsorption module comprises a plurality of activated carbon adsorption nets uniformly arranged along the direction from the first gas inlet to the gas outlet, the outer side walls of the activated carbon adsorption nets are hermetically connected with the inner side wall of the housing, and the vertical cross section of each activated carbon adsorption net is zigzag.
4. The exhaust gas treatment device of claim 1, wherein the plasma reaction module comprises a positive plate and a negative plate, the positive plate is mounted on the inner bottom wall of the shell, the negative plate is mounted on the inner top wall of the shell, the negative plate is positioned right above the positive plate, the lower end surface of the negative plate is provided with at least two metal conductive tips, the metal conductive tips are electrically connected with the negative plate, and the negative plate is connected with an external high-frequency high-voltage power supply.
5. The exhaust gas treatment device according to claim 1, wherein the photocatalytic oxidation module includes a plurality of first photocatalytic networks uniformly arranged along the direction from the first gas inlet port to the gas outlet port, a second photocatalytic network is provided between adjacent ones of the first photocatalytic networks, an upper end surface of each of the first photocatalytic networks is fixedly connected to the inner top wall of the housing, a gap is provided between a lower end surface of each of the first photocatalytic networks and the inner top wall of the housing, a lower end surface of each of the second photocatalytic networks is fixedly connected to the inner bottom wall of the housing, and a gap is provided between an upper end surface of each of the second photocatalytic networks and the inner top wall of the housing; an ultraviolet light source component is arranged between the first photocatalytic net and the second photocatalytic net which are adjacent.
6. The exhaust treatment device of claim 5, wherein the photocatalytic oxidation module further comprises a second controller and an alarm mounted on the outer sidewall of the housing, the first photocatalytic network is mounted with a UV light intensity sensor on a side facing the second photocatalytic network, and the second controller is electrically connected to the UV light intensity sensor and the alarm, respectively.
7. An exhaust gas treatment device as claimed in claim 1, wherein the demister plate has a wavy vertical cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022148013.7U CN213790953U (en) | 2020-09-25 | 2020-09-25 | Waste gas treatment device |
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| CN202022148013.7U CN213790953U (en) | 2020-09-25 | 2020-09-25 | Waste gas treatment device |
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| CN213790953U true CN213790953U (en) | 2021-07-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680183A (en) * | 2021-08-19 | 2021-11-23 | 四川大学 | A piezoelectric-based self-powered odor treatment and detection integrated equipment |
| CN119733325A (en) * | 2025-03-06 | 2025-04-01 | 京典(秦皇岛)科技有限公司 | Intelligent high-efficiency cyclone dust collector |
-
2020
- 2020-09-25 CN CN202022148013.7U patent/CN213790953U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680183A (en) * | 2021-08-19 | 2021-11-23 | 四川大学 | A piezoelectric-based self-powered odor treatment and detection integrated equipment |
| CN119733325A (en) * | 2025-03-06 | 2025-04-01 | 京典(秦皇岛)科技有限公司 | Intelligent high-efficiency cyclone dust collector |
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