CN212215032U - Waste gas control system - Google Patents
Waste gas control system Download PDFInfo
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- CN212215032U CN212215032U CN202020772124.2U CN202020772124U CN212215032U CN 212215032 U CN212215032 U CN 212215032U CN 202020772124 U CN202020772124 U CN 202020772124U CN 212215032 U CN212215032 U CN 212215032U
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Abstract
The utility model discloses a waste gas control system, which comprises a first fan and a second fan, wherein the second fan is communicated with a first purification device, a second purification device, a third purification device, a fourth purification device and a fifth purification device, the first purification device, the second purification device, the third purification device, the fourth purification device and the fifth purification device are converged and communicated with a fourth fan, and the fourth fan is communicated with an exhaust funnel; the first fan is communicated with a first heat exchanger, the first heat exchanger is communicated with a first purification device, a second purification device, a third purification device, a fourth purification device and a fifth purification device, the first purification device, the second purification device, the third purification device, the fourth purification device and the fifth purification device are converged and communicated with the second heat exchanger, the second heat exchanger is communicated with a catalytic combustion device, the catalytic combustion device is communicated with a third fan, and the third fan is communicated with an exhaust funnel.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment, concretely relates to exhaust gas control system.
Background
The waste gas that sprays paint produces furniture preparation, automotive production surface coating, mechanical production surface coating, production fields such as plastics five metals extensively, can produce two kinds of pollutants in the paint spraying process generally: firstly, the coating cloud, paint atomizes into the particle under the high pressure effect, and different modes of spraying paint can not reach 100% the rate of painting, can not reach the coating cloud granule on workpiece surface and can form the coating cloud along with air current dispersion. And secondly, organic waste gas, normal paint, namely Lexi city diluent, is adopted, and the common components of the diluent are toluene, xylene, ethyl acetate, butyl acetate, acetone and the like. These diluents do not adhere to the workpiece surface with the paint and are continuously emitted from the painting and subsequent processes to form organic waste gases. If the waste gas is directly discharged into the waste gas without being treated, not only can serious environmental pollution be caused, but also serious influence can be caused to human bodies.
Contain a large amount of coating cloud particles in the waste gas that sprays paint, if can not purification treatment complete, the active carbon is very easily by tiny coating cloud particle pollution, blocks up the active carbon specific surface, makes adsorption rate decline, causes the active carbon inefficacy, and active carbon adsorption device changes and life shortens. The high-concentration waste gas desorbed from the catalytic oxidation process needs to be heated to high temperature, and if the part of the waste gas is directly discharged to the atmosphere from the exhaust funnel, a large amount of heat energy loss is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waste gas control system to it is low to solve prior art exhaust purification efficiency, and catalytic combustion heat utilization rate is low, the high problem of equipment running cost.
In order to achieve the above object, the utility model provides a following technical scheme: an exhaust control system comprising a first fan and a second fan, wherein: the second fan is communicated with a first purification device, a second purification device, a third purification device, a fourth purification device and a fifth purification device, the first purification device, the second purification device, the third purification device, the fourth purification device and the fifth purification device are converged and communicated with a fourth fan, and the fourth fan is communicated with an exhaust funnel;
the first fan is communicated with a first heat exchanger, the first heat exchanger is communicated with a first purification device, a second purification device, a third purification device, a fourth purification device and a fifth purification device, the first purification device, the second purification device, the third purification device, the fourth purification device and the fifth purification device are converged and communicated with the second heat exchanger, the second heat exchanger is communicated with a catalytic combustion device, the catalytic combustion device is communicated with a third fan, and the third fan is communicated with an exhaust funnel.
Preferably, the first fan, the first heat exchanger, the first purification device, the second purification device, the third purification device, the fourth purification device, the fifth purification device, the second heat exchanger, the catalytic combustion device, the third fan and the exhaust funnel are all communicated through a first gas pipeline.
Preferably, the second fan, the first purifying device, the second purifying device, the third purifying device, the fourth purifying device, the fifth purifying device, the fourth fan and the exhaust funnel are all communicated through a second gas pipeline.
Preferably, a plurality of electromagnetic air valves are arranged on the first gas pipelines of the first purifying device, the second purifying device, the third purifying device, the fourth purifying device and the fifth purifying device.
Preferably, microporous active substances such as activated carbon are arranged in the first purification device, the second purification device, the third purification device, the fourth purification device and the fifth purification device.
Preferably, an electric heating device is arranged in the catalytic combustion device.
The utility model discloses a technological effect and advantage: the utility model is provided with a second fan which is communicated with a first purification device, a second purification device, a third purification device, a fourth purification device and a fifth purification device, the low-temperature and low-concentration waste gas after being collected under the action of a draught fan enters the first purification device, the second purification device, the third purification device, the fourth purification device and the fifth purification device, active carbon is arranged in the first purification device, the second purification device, the third purification device, the fourth purification device and the fifth purification device, the waste gas is purified by active carbon adsorption, and the purified air is discharged in high altitude through the fourth fan and an exhaust funnel; through the arrangement of the first fan and the first heat exchanger, clean gas in the atmosphere is used as desorption gas, and a large amount of hot air flow carrying heat energy is generated under the action of the first heat exchanger, so that exhaust gas molecules or molecular groups adsorbed on the activated carbon in the first purification device, the second purification device, the third purification device, the fourth purification device and the fifth purification device are desorbed; by arranging the second heat exchanger and the catalytic combustion device, the desorbed gas is preheated by the action of the second heat exchanger, then enters a catalytic combustion device, an electric heating device and a catalytic reaction bed are arranged in the catalytic combustion device, a catalyst is arranged on the catalytic reaction bed, the electric heating device in the catalytic combustion device continuously heats desorbed gas through electric heating, when the temperature reaches the catalytic ignition temperature, organic matters in the desorbed gas are subjected to oxidation reaction under the catalytic action of the catalyst, because the catalytic reaction releases heat, the temperature of the gas after the reaction is raised to a certain temperature value, the gas after the combustion enters the second heat exchanger, and the gas after desorption is subjected to heat exchange, the heat energy utilization rate is improved, and the gas after combustion is finally discharged at high altitude through a third fan and an exhaust funnel. In summary, the following steps: the utility model provides a prior art exhaust purification inefficiency, catalytic combustion heat utilization rate is low, the high problem of equipment running cost.
Drawings
Fig. 1 is a schematic view of the process flow of the present invention.
In the figure: 1-a first gas pipeline, 2-a first fan, 3-a first heat exchanger, 4-a second gas pipeline, 5-a second fan, 6-an electromagnetic air valve, 7-a first purifying device, 8-a second purifying device, 9-a third purifying device, 10-a fourth purifying device, 11-a fifth purifying device, 12-a second heat exchanger, 13-a catalytic combustion device, 14-a third fan, 15-an exhaust funnel and 16-a fourth fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a waste gas control system as shown in figure 1, including first fan 2 and second fan 5, wherein: the second fan 5 is provided with a first purification device 7, a second purification device 8, a third purification device 9, a fourth purification device 10 and a fifth purification device 11 in a communication manner, the first purification device 7, the second purification device 8, the third purification device 9, the fourth purification device 10 and the fifth purification device 11 are converged and communicated with a fourth fan 16, and the fourth fan 16 is provided with an exhaust funnel 15 in a communication manner;
the first fan 2 is provided with a first heat exchanger 3 in a communication mode, the first heat exchanger 3 is provided with a first purification device 7, a second purification device 8, a third purification device 9, a fourth purification device 10 and a fifth purification device 11 in a communication mode, the first purification device 7, the second purification device 8, the third purification device 9, the fourth purification device 10 and the fifth purification device 11 converge and are communicated with a second heat exchanger 12, the second heat exchanger 12 is communicated with a catalytic combustion device 13, the catalytic combustion device 13 is communicated with a third fan 14, and the third fan 14 is communicated with an exhaust funnel 15.
Specifically, the first fan 2, the first heat exchanger 3, the first purification device 7, the second purification device 8, the third purification device 9, the fourth purification device 10, the fifth purification device 11, the second heat exchanger 12, the catalytic combustion device 13, the third fan 14 and the exhaust stack 15 are all communicated through the first gas pipeline 1.
Specifically, the second fan 5, the first purification device 7, the second purification device 8, the third purification device 9, the fourth purification device 10, the fifth purification device 11, the fourth fan 16 and the exhaust funnel 15 are all communicated through the second gas pipeline 4.
Specifically, a plurality of electromagnetic air valves 6 are arranged on the first air pipeline 1 of the first purifying device 7, the second purifying device 8, the third purifying device 9, the fourth purifying device 10 and the fifth purifying device 11, the number of the plurality of electromagnetic air valves 6 is ten, the electromagnetic air valves 6 can be opened and closed through a PLC controller, and the specific electromagnetic air valves 6 can be controlled to be closed, so that a large amount of hot air carrying heat energy generated by the action of the first heat exchanger 3 can flow through a specific one or more of the first purifying device 7, the second purifying device 8, the third purifying device 9, the fourth purifying device 10 and the fifth purifying device 11.
Specifically, microporous active materials such as activated carbon are provided in the first purification device 7, the second purification device 8, the third purification device 9, the fourth purification device 10, and the fifth purification device 11.
Specifically, an electric heating device and a catalytic reaction bed are arranged in the catalytic combustion device 13, a catalyst is arranged on the catalytic reaction bed, the electric heating device in the catalytic combustion device 13 heats desorbed gas through electric heating, organic matters in the desorbed gas generate an oxidation reaction under the catalytic action of the catalyst after the temperature reaches the catalytic combustion temperature, the temperature of the reacted gas rises to a certain temperature value due to heat release of the catalytic reaction, the combusted gas enters the second heat exchanger 12 again to exchange heat with the desorbed gas, the desorbed gas is heated, the heat energy utilization rate is improved, and the combusted gas is finally discharged in high altitude through the third fan 14 and the exhaust funnel 15.
The working principle is as follows: the utility model discloses an operating principle is for utilizing the adsorption affinity of micropore active material to solvent molecule or molecular group, when waste gas passes through adsorption medium, wherein organic solvent is detained promptly, thereby make organic waste gas obtain purification treatment, after the adsorbent adsorbs the saturation, again according to the thermal motion theory of molecule, add adsorption system heat energy from the external world, improve the thermal motion energy by adsorbed molecule or molecular group, when the thermal power of molecule is enough to overcome the adsorption affinity, organic solvent molecule just strives for out from adsorption system, thereby make adsorption medium obtain regeneration.
In the description of the present invention, it is to be understood that the terms "bottom", "front", "one side", "outer", "central", "inner", "upper", "lower", "one end", "vertical", "lower", "outer", "circumferential", "end", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.
The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but it is difficult to achieve absolute equality in actual production and operation, and some deviation generally exists. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.
In the present invention, unless otherwise explicitly specified or limited, the terms "embedded", "disposed", "connected", "fixed", "distributed" and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. An exhaust gas control system comprising a first fan (2) and a second fan (5), characterized in that: the second fan (5) is provided with a first purification device (7), a second purification device (8), a third purification device (9), a fourth purification device (10) and a fifth purification device (11) in a communication manner, the first purification device (7), the second purification device (8), the third purification device (9), the fourth purification device (10) and the fifth purification device (11) are converged and communicated with a fourth fan (16), and the fourth fan (16) is provided with an exhaust funnel (15) in a communication manner;
the air purifier is characterized in that a first heat exchanger (3) is communicated with the first fan (2), the first heat exchanger (3) is communicated with a first purifying device (7), a second purifying device (8), a third purifying device (9), a fourth purifying device (10) and a fifth purifying device (11), the first purifying device (7), the second purifying device (8), the third purifying device (9), the fourth purifying device (10) and the fifth purifying device (11) are converged and communicated with a second heat exchanger (12), the second heat exchanger (12) is communicated with a catalytic combustion device (13), the catalytic combustion device (13) is communicated with a third fan (14), and the third fan (14) is communicated with an exhaust funnel (15).
2. An exhaust gas control system according to claim 1, wherein: the first fan (2), the first heat exchanger (3), the first purification device (7), the second purification device (8), the third purification device (9), the fourth purification device (10), the fifth purification device (11), the second heat exchanger (12), the catalytic combustion device (13), the third fan (14) and the exhaust funnel (15) are communicated through a first gas pipeline (1).
3. An exhaust gas control system according to claim 1, wherein: the second fan (5), the first purification device (7), the second purification device (8), the third purification device (9), the fourth purification device (10), the fifth purification device (11), the fourth fan (16) and the exhaust funnel (15) are communicated through a second gas pipeline (4).
4. An exhaust gas control system according to claim 1, wherein: a plurality of electromagnetic air valves (6) are arranged on the first gas pipeline (1) on the first purification device (7), the second purification device (8), the third purification device (9), the fourth purification device (10) and the fifth purification device (11).
5. An exhaust gas control system according to claim 1, wherein: microporous active substances such as active carbon are arranged in the first purification device (7), the second purification device (8), the third purification device (9), the fourth purification device (10) and the fifth purification device (11).
6. An exhaust gas control system according to claim 1, wherein: an electric heating device is arranged in the catalytic combustion device (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020772124.2U CN212215032U (en) | 2020-05-11 | 2020-05-11 | Waste gas control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020772124.2U CN212215032U (en) | 2020-05-11 | 2020-05-11 | Waste gas control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212215032U true CN212215032U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020772124.2U Active CN212215032U (en) | 2020-05-11 | 2020-05-11 | Waste gas control system |
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| Country | Link |
|---|---|
| CN (1) | CN212215032U (en) |
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2020
- 2020-05-11 CN CN202020772124.2U patent/CN212215032U/en active Active
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