TWI760034B - Exhaust gas purification system - Google Patents

Abstract

An exhaust gas purification system is suitable for purifying exhaust gas, and includes a purification device and at least one capture device. The purification device includes a purification vessel defining a purification space, at least one intake portion for injecting the exhaust gas into the purification space, and at least one exhaust portion for discharging the purified exhaust gas out of the purification space. The at least one catching device is installed in the purification container, and includes a driving device and a catching device that can be driven by the driving device to operate continuously. The catching device has at least one surface with a sticky body capable of catching the exhaust gas A trap for suspended particulates within. With the sticky capture design of the capture device, it can have an excellent exhaust gas purification effect.

Description

Exhaust gas purification system

The present invention relates to a waste gas treatment equipment, in particular to a waste gas purification system suitable for purifying waste gas.

With the development of industry, many factories will set up a waste gas generation equipment for burning fuel for the high temperature environment required by high temperature processing operations. Exhaust gas. This type of exhaust gas usually contains harmful substances such as particulate pollutants, sulfur oxides, hydroxides, etc. In addition, there are other exhaust gas generating equipment such as vehicles on the market. In order to avoid the operation of the exhaust gas generating equipment The exhaust gas produced by the process is directly discharged to the outside world and pollutes the atmospheric environment. Relevant environmental protection laws and regulations stipulate the emission standards of exhaust gas (smoke) generated by such exhaust gas generation equipment, so the industry usually installs an exhaust gas treatment equipment on these exhaust gas generation equipment. The exhaust gas treatment equipment has an exhaust gas purification system for purifying the exhaust gas, but because the purification effect of the existing exhaust gas purification system is not good, it still needs to be improved.

Therefore, the object of the present invention is to provide an exhaust gas purification system which can overcome at least the disadvantages of the prior art.

Therefore, the exhaust gas purification system of the present invention is suitable for purifying exhaust gas, and includes a purification device and at least one capture device. The purification device includes a purification vessel defining a purification space, at least one intake portion for injecting the exhaust gas into the purification space, and at least one exhaust portion for discharging the purified exhaust gas out of the purification space. The at least one catching device is installed in the purification container, and includes a driving device and a catching device that can be driven by the driving device to operate continuously. The catching device has a surface with a sticky body that can capture the exhaust gas. A trap for suspended particulates.

In addition, the exhaust gas purification system of the present invention is suitable for purifying exhaust gas, and includes a purification device and at least one capture device. The purification device includes a purification vessel defining a purification space, at least one intake portion for injecting the exhaust gas into the purification space, and at least one exhaust portion for discharging the purified exhaust gas out of the purification space. The at least one catching device is installed on the purification container, and includes a driving device and a catching device that can be driven by the driving device to be continuously actuated, the driving device has a movable conveying member, and the catching device has a plurality of It is transferred to the conveying member and is driven by the conveying member to pass through the capturing member under the air inlet portion, and the surface of the capturing member is provided with a sticking body.

The effect of the present invention is that the exhaust gas purification system can fully and properly purify the exhaust gas by means of the arrangement of the at least one capturing device, thereby helping to improve the exhaust gas purification efficiency.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated by the same reference numerals.

1 and 2, a first embodiment of the exhaust gas purification system of the present invention is suitable for connecting to an exhaust gas generating device (not shown), which can be used to purify the exhaust gas discharged from the exhaust gas generating device and then discharge it. The exhaust gas purification system includes a purification device 1 , three capture devices 2 , and a control device 3 .

The purification device 1 includes a purification container 12 defining a purification space 11, an air inlet 13 for injecting the exhaust gas discharged from the exhaust gas generating device into the purification space 11, and an exhaust gas for discharging the purified exhaust gas into the purification space 11. The exhaust part 14 of the purification space 11, a glue 15 contained in the purification space 11 of the purification container 12, a glue inlet 16 for introducing the glue 15 into the purification space 11, and a glue The glue liquid 15 is discharged out of the glue outlet 17 of the purification space 11 . The liquid level 151 of the viscose liquid 15 is located below the intake part 13 and the exhaust part 14 , that is, below the exhaust gas. It should be noted that the design of the purification device 1 can also omit the setting of the glue inlet part 16 and the glue outlet part 17 , and the glue liquid 15 can be loaded and discharged in other ways, such as directly pouring and discharging the glue liquid 15 . The pipeline is drawn out, or only one inlet and outlet that can enter and exit in both directions is provided, so it is not limited to the first embodiment.

The intake portion 13 is an exhaust gas inlet, the exhaust portion 14 is an exhaust gas outlet, the glue inlet portion 16 is a glue inlet, and the glue outlet 17 is a glue outlet. The above-mentioned inlet and outlet are provided with switches. Each valve can be controlled to open or close. In design, the air inlet 13 can also be a nozzle, which can be continuous or intermittent. It should be noted that the air inlet 13, the exhaust The number of the part 14 , the glue feeding part 16 , and the glue discharging part 17 is not limited to one, but can be two, three, four or more according to actual needs, and the setting position can also be changed. The purification apparatus 1 may further include a suction fan 18 installed at the exhaust portion 14 to assist in removing the purified exhaust gas, but the suction fan 18 is not a necessary structure of the first embodiment.

The capturing devices 2 are installed in the purification container 12 , and each capturing device 2 includes a driving device 21 and a capturing device 22 that can be driven by the driving device 21 to operate continuously. The driving device 21 in the first embodiment is a motor. Of course, the design of the driving device 21 of the capturing devices 2 can also be changed, for example, the design of the pulley and the belt, or the design of the gear set, so that as long as The catching devices 22 of the catching devices 2 can be driven together by a single motor.

The catching device 22 has a catching member 221 which is provided with a sticky body on the surface and can catch the suspended particles in the exhaust gas. The liquid surface 151 of the glue solution 15 and the top surface of the liquid surface 151 is attached to the glue solution 15 to form a layer of the sticky body suitable for contacting and sticking to the suspended particles in the exhaust gas such as PM2.5 dust, In order to achieve the purpose of purifying exhaust gas. In use, when the rotating catch 221 is immersed in the liquid surface 151, in addition to coating the surface with the glue 15, it can also release the suspended particles adhered to the surface into the glue. 15. Of course, the catching device 2 may also include a scraper 23 disposed beside the catching member 221, which can be used to scrape the sticky body with suspended particles from the catching member 221, but the scraper 23 is not the original Invent necessary designs. It should be noted that the number of the capturing devices 2 is not limited to three, and may be one, two, four or more than four according to actual needs.

The control device 3 includes a timing module 31 and a control module 32 connected to the timing module 31 by a signal. The control module 32 also connects the intake part 13 and the exhaust part 14 with a signal. After controlling the exhaust part 14 to close, it controls the intake part 13 to open, and after the exhaust gas is injected into the purification space 11 , The air inlet 13 is controlled to be closed, and the timing module 31 is activated at the same time. After a predetermined purification time, the exhaust part 14 is controlled to be opened, so that the purified exhaust gas is discharged. In addition, the control module 32 is also connected to the glue-in part 16 and the glue-out part 17 by signals, and can be activated regularly to discharge the unusable glue 15 and replace the clean glue 15 .

During use, the control module 32 is used to control the opening and closing of the intake part 13 and the exhaust part 14, and the exhaust gas that needs to be purified is introduced into the purification space 11, and then the exhaust gas purification process is started, that is, The driving device 21 is activated to drive the capturing device 22 to act, and the continuously rotating capturing member 221 continuously sticks and captures the suspended particles in the exhaust gas. After a predetermined purification time, the exhaust gas can be completely removed. In the purification process, the control module 32 will again control the opening and closing of the intake part 13 and the exhaust part 14 so as to discharge the purified exhaust gas to the outside, and again contain the exhaust gas to be purified, and repeat the above purification process.

Referring to FIGS. 1 and 3 , another aspect of the first embodiment is illustrated. The only difference is that the control device 3 replaces the one in FIG. 2 with a detection module 33 installed in the clean space 11 . When the timing module 31 is in use, the detection module 33 can be controlled and activated by the control module 32 to detect the quality of the exhaust gas, that is, to detect the concentration of suspended particles in the exhaust gas, and generate a corresponding exhaust gas according to the detection result. detection signal, and the control module 32 will receive and analyze the exhaust gas detection signal, and when it is judged that the exhaust gas quality has reached an emission standard, it will control to discharge the purified exhaust gas.

Referring to FIGS. 1 and 4 , another aspect of the first embodiment is illustrated. The detection module 33 of the aspect of FIG. 3 is used in combination with the aspect of FIG. 2 , that is, the control device of this aspect. 3. In addition to the control module 32, it also includes the timing module 31 and the detection module 33. When in use, the detection module 33 further detects exhaust gas after the timing module 31 finishes timing. Whether the quality meets the emission standard, and when the control module 32 judges that the quality of the exhaust gas meets the emission standard, control to discharge the purified exhaust gas, which can double ensure the quality of the exhaust gas, and when the control module 32 judges that the exhaust gas quality is not good When the emission standard is met, the timing module 31 will be activated to perform a timing of a compensation time to extend the purification treatment process of the exhaust gas, and after the compensation time expires, it will be judged again whether the exhaust gas quality meets the emission standard. The emission standard will discharge the exhaust gas, otherwise the timing module 31 will repeat the timing of the compensation time, and the exhaust gas will not be discharged until it is determined that the emission standard is met. And after the exhaust gas is discharged, the control module 32 will correspondingly adjust and extend the predetermined cleaning time, that is, increase the compensation time performed above, and automatically change to the predetermined cleaning time for the next timing of the timing module 31 .

It should be noted that, in another aspect of the first embodiment, the only difference is that the detection module 33 can also be used to detect the glue quality of the glue 15 and generate a glue detection correspondingly Signal, the control module 32 will receive and analyze the glue detection signal, and when judging that the suspended particles in the glue solution 15 have reached a predetermined concentration, it will control to discharge the contaminated glue solution 15 And replace with new glue 15.

In addition, another aspect of the first embodiment will be described, the difference is only that: the control module 32 is also connected to the driving device 21 with a signal, and the control module 32 will receive and analyze the detection when in use. The exhaust gas detection signal generated by the measuring module 33 is used to control the actuation speed of the driving device 21. When the exhaust gas quality is poor, the driving device 21 is driven to increase speed, and when the exhaust gas quality is good, the driving device 21 is driven. The driving device 21 is decelerated and actuated, so that the aerosols can be captured sufficiently and effectively until the exhaust gas quality reaches the emission standard before being discharged.

In addition, another aspect of the first embodiment is also described, the difference is only that: the control module 32 is also connected to the air inlet 13 by a signal, and the control module 32 receives and analyzes the detection module when in use. The exhaust gas detection signal generated by 33 is used to control and adjust the jet flow rate of the air inlet portion 13. When the quality of the exhaust gas is not good, the jetting time of the air inlet portion 13 can be shortened, or the air flow rate of the air inlet portion 13 can be reduced. The jet flow rate or even stop the jet can allow the suspended particles floating due to the jet turbulence to have sufficient time to slowly settle down, and then can adhere to the surface of the capture piece 221, and when the exhaust gas quality is good, it can be extended for a long time The air injection time of the air intake portion 13 or the increase of the air injection flow rate of the air intake portion 13 can fully and efficiently capture the suspended particles until the exhaust gas quality reaches the emission standard before discharging.

It is worth mentioning that the control module 32 of the first embodiment also compares and judges the exhaust gas quality before and after the exhaust gas enters and leaves the purification space 11, and outputs an air pollution index or an air pollution index before and after the exhaust gas purification. It is a signal such as exhaust gas purification rate. The control device 3 may further include a display (not shown) that is connected to the control module 32 with a signal for displaying the signal, so that the user or the consumer can know the improvement effect of the exhaust gas quality.

Referring to FIG. 5, the structure of a second embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the first embodiment, the difference is that the exhaust gas purification system further includes an environmental control device 4, and the environmental control device 4 includes a usable A temperature control device 41 for adjusting the temperature of the exhaust gas injected into the air inlet 13 to a certain temperature value, and a humidity control device 42 for adjusting the humidity of the exhaust gas injected into the air intake 13 to a certain humidity value. During use, the temperature and humidity of the injected exhaust gas can be adjusted to achieve the best viscosity of the viscose, which can improve the purification efficiency of suspended particles captured by sticking. In other variations of the second embodiment, the temperature control device 41 and the humidity control device 42 can also be activated or set independently. Of course, the environmental control device 4 can also include other devices for regulating the environment. Since the installation position and structural action of the environmental control device 4 are not the focus of the present invention, they will not be described here.

Referring to FIG. 6 , the structure of a third embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the first and second embodiments, and the difference is: A nozzle entering the purification space 11 , and it can be continuous jetting or intermittent jetting, the exhaust part 14 is arranged at intervals on the opposite side of the air inlet part 13 , for example, the air inlet part 13 is located on the side of the capture device 2 . Above, the exhaust part 14 is located below the capturing device 2 , but the setting direction thereof is not limited to the third embodiment. The exhaust gas purification system includes a catching device 2 , the driving device 21 of the catching device 2 has two spaced apart rotating shafts 211 , and the catching member 221 of the catching device 22 is a ring-shaped snare around the rotating shafts 211 The belt will be driven by the rotating shafts 211 and circled under the air inlet 13, and the capturing device 22 also has a device for spraying the glue 15 on the surface of the capturing member 221 to form the sticking body. The glue spraying part 222, which can be continuous glue spraying or intermittent glue spraying, has the effect of purifying the exhaust gas.

Referring to FIG. 7 , the structure of a fourth embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the third embodiment. The number of air parts 13 is not limited to two, and can be one, three, four or more than four according to actual needs. The catching member 221 of the catching device 22 is an adhesive tape, which extends from one of the rotating shafts 211 and is rolled up by the other rotating shaft 211 after passing under the air inlet 13 . The catching member 221 The part that is unfolded between the rotating shafts 211 can stick to the suspended particles in the exhaust gas, so as to have the effect of purifying the exhaust gas, so the capturing device 22 can omit the glue spraying in the third embodiment of FIG. 6 . 222 settings. The catching device 22 also has a release paper 223 attached to the catching piece 221 and torn off the catching piece 221 before passing under the air inlet 13 , and the torn release paper 223 will be rolled up separately receive.

Referring to FIG. 8 , the structure of a fifth embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the fourth embodiment. The difference is that the fifth embodiment omits the release paper 223 of the fourth embodiment in FIG. The catching member 221 of the catching device 22 is a general adhesive tape.

Referring to FIG. 9 , the structure of a sixth embodiment of the exhaust gas purification system of the present invention is substantially the same as that of the third embodiment, the difference is that the driving device 21 of the capturing device 2 also has a trap around the periphery of the rotating shafts 211 and The conveying member 212 can be driven to move, and the capturing device 22 has a plurality of capturing members 221 that are moved to the conveying member 212 and are driven by the conveying member 212 to pass under the air inlet 13 . One of the trapping members 221 is a rubber plate with a sticking body on the surface, which can stick to the suspended particles in the exhaust gas, so as to have the effect of purifying the exhaust gas, so the trapping device 22 can be omitted from the third embodiment shown in FIG. 6 . For example, the setting of the glue spraying member 222. It should be noted that the exhaust gas purification system may further include a feeding device (not shown) for sending the capturing member 221 to the conveying member 212, and a capturing member 221 for recovering the aerosol covered particles The recycling equipment (not shown in the figure), but since the feeding equipment and the recycling equipment are not the focus of the present invention, they will not be described here.

To sum up, the exhaust gas purification system of the present invention, by virtue of the sticky capture design of the capture device 2, becomes a rather novel and practical creation, which can fully and properly purify the exhaust gas and help to improve the exhaust gas purification efficiency. Therefore, the object of the present invention can surely be achieved.

However, the above are only examples of the present invention, and should not limit the scope of implementation of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the patent specification are still included in the scope of the present invention. within the scope of the invention patent.

1: Purification equipment

11: Purify the space

12: Decontamination Container

13: Air intake

14: Exhaust part

15: Viscose

151: Liquid level

16: Injecting part

17: Glue Department

18: Exhaust fan

2: Capture device

21: Drive unit

211: Spindle

212: Conveyor

22: Capture Device

221: Capture Pieces

222: spray parts

223: Release paper

23: Scraper

3: Control equipment

31: Timing Module

32: Control Module

33: Detection module

4: Environmental control equipment

41: Temperature control device

42: Humidity control device

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: Fig. 1 is an incomplete cross-sectional schematic diagram of a first embodiment of the exhaust gas purification system of the present invention; 2 is a functional block diagram of the first embodiment; 3 is a functional block diagram of another aspect of the first embodiment; 4 is a functional block diagram of yet another aspect of the first embodiment; 5 is a functional block diagram of a second embodiment of the exhaust gas purification system of the present invention; FIG. 6 is an incomplete schematic cross-sectional view of a third embodiment of the exhaust gas purification system of the present invention; FIG. 7 is an incomplete schematic cross-sectional view of a fourth embodiment of the exhaust gas purification system of the present invention; FIG. 8 is an incomplete schematic cross-sectional view of a fifth embodiment of the exhaust gas purification system of the present invention; and FIG. 9 is a partial schematic cross-sectional view of a sixth embodiment of the exhaust gas purification system of the present invention.

1: Purification equipment

11: Purify the space

12: Decontamination Container

13: Air intake

14: Exhaust part

15: Viscose

151: Liquid level

16: Injecting part

17: Glue Department

18: Exhaust fan

2: Capture device

21: Drive unit

22: Capture Device

221: Capture Pieces

23: Scraper

3: Control equipment

Claims (11)

An exhaust gas purification system, suitable for purifying exhaust gas, and comprising: a purification device, including a purification container defining a purification space, at least one air inlet for injecting the exhaust gas into the purification space, and at least one for making the purified space The exhaust gas is discharged from the exhaust part of the purification space; and at least one capture device is installed in the purification container, and includes a driving device, and a capture device that can be driven by the driving device and continuously actuated, the driving device has Two spaced apart rotating shafts, the catching device has a catching piece with a sticky body on the surface that can catch the suspended particles in the exhaust gas, the catching piece is a tape, which will protrude from one of the rotating shafts and then be caught by the other. One of the reels is retracted. The exhaust gas purification system according to claim 1, wherein the capture device further has a release paper that can be peeled off and attached to the capture member. The exhaust gas purification system according to claim 1, wherein the exhaust gas purification system further includes a control device, the control device includes a timing module, and a control module connected to the timing module by a signal, the control module further The signal is connected to the at least one intake part and the at least one exhaust part, and after the at least one exhaust part is controlled to be closed, the at least one intake part is controlled to be opened, and the exhaust gas is injected into the purification space, and then the at least one intake part is controlled to be opened. At least one intake part is closed, and the timing module is activated at the same time, and after a predetermined purification time, the at least one exhaust part is controlled to open, so that the purified exhaust gas is discharged. The exhaust gas purification system of claim 1, wherein the exhaust gas purification system It also includes a control device, the control device includes a detection module installed in the purification space, and a control module signally connected to the detection module, the control module also signally connected to the at least one air intake And the at least one exhaust part, after controlling the at least one exhaust part to close, controls the at least one intake part to open, after the exhaust gas is injected into the purification space, and then controls the at least one intake part to close, and The detection module can be used to detect the exhaust gas quality in the purification space and generate a corresponding exhaust gas detection signal. The control module will receive and analyze the exhaust gas detection signal, and when it is judged that the exhaust gas quality has reached an emission standard, The at least one exhaust part is then controlled to be opened for discharging the purified exhaust gas. The exhaust gas purification system according to claim 4, wherein the control module of the control device also compares and judges the exhaust gas quality before and after the exhaust gas enters and leaves the purification space, and outputs an air pollution index before and after the exhaust gas purification 's signal. The exhaust gas purification system according to claim 1, wherein the exhaust gas purification system further includes a control device, the control device includes a detection module installed in the purification space, and a signal connected to the detection module and The control module of the driving device, the detection module can be used to detect the quality of the exhaust gas in the purification space and generate an exhaust gas detection signal correspondingly, the control module will receive and analyze the exhaust gas detection signal, and send the signal accordingly The actuation speed of the driving device is controlled, and the driving device is driven to increase speed when the exhaust gas quality is poor, and the driving device is driven to decelerate when the exhaust gas quality is good. The exhaust gas purification system of claim 1, wherein the at least one air intake portion of the purification device intermittently injects the exhaust gas into the purification space. The exhaust gas purification system according to claim 1, wherein the purification equipment further comprises a suction fan installed in the exhaust part. The exhaust gas purification system according to claim 1, wherein the exhaust gas purification system further includes a control device, the control device includes a detection module installed in the purification space, and a signal connecting the detection module with the detection module. The control module of the at least one intake part, the detection module can be used to detect the exhaust gas quality in the purification space and generate an exhaust gas detection signal correspondingly, the control module will receive and analyze the exhaust gas detection signal, and Thereby, the air jet flow rate of the at least one air inlet portion is controlled and adjusted. The exhaust gas purification system according to claim 1, wherein the exhaust gas purification system further comprises an environmental control device, and the environmental control device includes a temperature control device that can be used to adjust the temperature of the exhaust gas injected into the at least one air inlet to a certain temperature value. control device. The exhaust gas purification system according to claim 1, wherein the exhaust gas purification system further comprises an environmental control device, and the environmental control device includes a humidity control device that can be used to adjust the humidity of the exhaust gas injected into the at least one air inlet to a certain humidity value. control device.

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