CN211537211U - Tail gas treatment device for acrylic acid and derivatives thereof - Google Patents
Tail gas treatment device for acrylic acid and derivatives thereof Download PDFInfo
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- CN211537211U CN211537211U CN201921964418.9U CN201921964418U CN211537211U CN 211537211 U CN211537211 U CN 211537211U CN 201921964418 U CN201921964418 U CN 201921964418U CN 211537211 U CN211537211 U CN 211537211U
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Abstract
The utility model discloses a tail gas processing apparatus of acrylic acid and derivatives thereof, including alkaline washing spray column (1) and active carbon deodorization case (3), the gas outlet of alkaline washing spray column (1) is through the air inlet intercommunication of first trunk line (5) and active carbon deodorization case (3), still includes light oxygen catalytic unit (2), and the top of light oxygen catalytic unit (2) is through pipeline (6) and first trunk line (5) intercommunication, and the bottom of light oxygen catalytic unit (2) even has first fan (7). The utility model discloses an alkali wash spray tower air inlet can directly be connected with the storage tank, realizes the on-the-spot processing of tail gas, and processing cost is low, the security is high, can not cause the pollution after the exhaust emissions through this device processing moreover.
Description
Technical Field
The utility model belongs to the technical field of tail gas treatment and specifically relates to a tail gas processing apparatus of acrylic acid and spin-off product thereof is related to.
Background
Acrylic acid and derivatives thereof generate tail gas (waste gas) in the storage process, and especially generate more tail gas during the loading and unloading period, wherein the tail gas contains a small amount of organic gases such as propylene, propane, acrolein, solvents and the like, and also contains a certain amount of oxygen. For this part of tail gas, generally adopt the mode of direct incineration to handle at present, but because burn and have naked light, can not directly go on near warehouse, need collect waste gas earlier, transport waste gas to safe department and just can burn, the process is loaded down with trivial details and the treatment cost is too high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that the tail gas that produces is difficult for handling at present in the storage process to acrylic acid and derivative thereof, provide a tail gas processing apparatus of acrylic acid and derivative for this reason, including alkaline washing spray tower 1 and active carbon deodorization case 3, the air inlet intercommunication of first trunk line 5 and active carbon deodorization case 3 is passed through to the gas outlet of alkaline washing spray tower 1, this tail gas processing apparatus still includes light oxygen catalytic unit 2, and branch pipeline 6 and 5 intercommunications of first trunk line are passed through at the top of light oxygen catalytic unit 2, and the bottom of light oxygen catalytic unit 2 even has first fan 7 to in with air suction equipment. Photo-oxygen catalytic apparatus utilizes the oxygen molecule production free oxygen in the air of high energy high ozone UV ultraviolet ray beam decomposition suction, because of the unbalanced positive negative electron that free oxygen carries so need combine with the oxygen molecule, and then produce ozone, along with the air constantly by the suction, ozone in the equipment increases gradually, can follow the small transfer line at top after being full of and let in the trunk line, gets into the deodorization case after fusing together with waste gas and oxidizes and the active carbon adsorbs.
The utility model discloses acrylic acid and tail gas processing apparatus of derivative thereof, still include chimney 4, second trunk line 8 and 4 intercommunications of chimney are passed through to the gas outlet of active carbon deodorization case 3, still be equipped with second fan 9 on second trunk line 8, under the effect of second fan, waste gas is by suction active carbon deodorization case with the mist of ozone, it is filled with the active carbon adsorbent to pack in the active carbon deodorization incasement, the surface effort that utilizes active carbon adsorbent itself attracts organic waste gas molecule to attach to its surface, harmful substance composition in the gas adsorbs the concentration at the huge solid phase surface of active carbon, tail gas after the active carbon deodorization case is handled is discharged after second fan suction chimney, can realize that the tail gas after handling reaches emission standard completely.
The utility model discloses acrylic acid and derivative's tail gas processing apparatus still is equipped with alarm and water pump outside alkaline washing spray tower 1, is equipped with level sensor in the tower, and the air inlet of alkaline washing spray tower 1 is located the bottom, and the storage tank passes through the blast pipe to be connected with the air inlet, and still is equipped with the spark arrester in alkaline washing spray tower 1's air inlet department, and air outlet department is equipped with the defroster.
The utility model discloses acrylic acid and derivative's tail gas processing apparatus still is equipped with pressure sensor before second fan 9, and the position that pressure sensor set up includes but not limited to first trunk line, second trunk line, storage tank air inlet or active carbon deodorization case department, can be in the optional position that the gas in second fan the place ahead passes through.
The utility model also comprises a controller which can be placed in a control box, wherein the controller comprises an information receiving module, an alarm control module and a fan control module,
the liquid level sensor is used for detecting the liquid level, setting a threshold value and sending the information that the liquid level is too low to the controller when the liquid level in the tower is lower than the threshold value;
the pressure sensor is used for detecting the real-time pressure at the installation position, setting a threshold value and sending information of overlarge pressure to the controller when the detected pressure is greater than the threshold value;
the information receiving module is used for receiving information sent by the liquid level sensor and the pressure sensor, processing the received information and sending the processed information to the alarm control module or the fan control module;
the alarm control module is used for receiving the information sent by the information receiving module, controlling the alarm to send an alarm when the liquid level is too low, and enabling a worker to turn on the water pump to pump alkali liquor into the alkali washing spray tower after hearing the alarm;
the fan control module is used for receiving the information sent by the information receiving module and controlling the second fan to increase the rotating speed when the pressure of the pressure detection point is too large so as to stabilize the output of the tail gas flow.
The utility model has the advantages that:
the utility model discloses an alkali wash spray tower air inlet can directly be connected with the storage tank, realizes the on-the-spot processing of tail gas, and processing cost is low, the security is high, can not cause the pollution after the exhaust emissions through this device processing moreover.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of the present invention;
fig. 2 is a controller schematic.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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 according to specific situations by those skilled in the art.
The tail gas treatment device for the acrylic acid and the derivatives thereof shown in the figure 1 comprises an alkaline washing spray tower 1 and an active carbon deodorization box 3, wherein an air outlet of the alkaline washing spray tower 1 is communicated with an air inlet of the active carbon deodorization box 3 through a first main pipeline 5, the tail gas treatment device further comprises a photo-oxidation catalytic device 2, the top of the photo-oxidation catalytic device 2 is communicated with the first main pipeline 5 through a branch pipeline 6, and the bottom of the photo-oxidation catalytic device 2 is connected with a first fan 7 so as to draw air into the device. The air outlet of the active carbon deodorization box 3 is communicated with a chimney 4 through a second main pipeline 8, and a second fan 9 is further arranged on the second main pipeline 8. Photo-oxygen catalytic apparatus utilizes the oxygen molecule production free oxygen in the air of high energy high ozone UV ultraviolet ray beam decomposition suction, because of the unbalanced positive and negative electron that free oxygen carries so need combine with the oxygen molecule, and then produces ozone, along with the air is constantly being sucked, ozone in the equipment increases gradually, can follow the small transfer line at top and let in the trunk line after being full of, fuses together with waste gas. The photo-oxygen catalysis equipment can be purchased and obtained, and only the photo-oxygen catalysis effect can be realized, such as: can be purchased from Shanghai environmental protection equipment Co. Under the action of the second fan, the mixed gas of the waste gas and the ozone is pumped into the activated carbon deodorization box, the activated carbon deodorization box is filled with the activated carbon adsorbent, the organic waste gas molecules are attracted and attached to the surface of the activated carbon adsorbent by utilizing the surface acting force of the activated carbon adsorbent, harmful substance components in the gas are adsorbed and concentrated on the huge solid phase surface of the activated carbon, the tail gas treated by the activated carbon deodorization box is pumped into a chimney by the second fan and then is discharged, and the treated tail gas can completely reach the emission standard.
Still be equipped with alarm and water pump outside alkaline washing spray column 1, be equipped with level sensor in the tower, the air inlet of alkaline washing spray column 1 is located the bottom, and the storage tank passes through the blast pipe to be connected with the air inlet, and still is equipped with the spark arrester in the air inlet department of alkaline washing spray column 1, and air outlet department is equipped with the defroster. Still be equipped with pressure sensor before second fan 9, the position that pressure sensor set up includes but not limited to first trunk line, second trunk line, storage tank air inlet or active carbon deodorization case department, can be in the arbitrary position that the gas in second fan the place ahead passes through, the optimum is for setting up in the air inlet department of active carbon deodorization case.
The device also comprises a controller which can be placed in a control box and is connected with the power supply, and the on-off of the controller is controlled by the power switch. As shown in fig. 2, the controller comprises an information receiving module, an alarm control module and a fan control module,
the liquid level sensor is used for detecting the liquid level, setting a threshold value and sending the information that the liquid level is too low to the controller when the liquid level in the tower is lower than the threshold value;
the pressure sensor is used for detecting the real-time pressure at the installation position, setting a threshold value and sending information of overlarge pressure to the controller when the detected pressure is greater than the threshold value;
the information receiving module is used for receiving information sent by the liquid level sensor and the pressure sensor, processing the received information and sending the processed information to the alarm control module or the fan control module;
the alarm control module is used for receiving the information sent by the information receiving module, controlling the alarm to send an alarm when the liquid level is too low, and enabling a worker to turn on the water pump to pump alkali liquor into the alkali washing spray tower after hearing the alarm;
the fan control module is used for receiving the information sent by the information receiving module, and controlling the second fan to increase the rotating speed when the pressure of the pressure detection point is too large, so that the tail gas is stably output all the time.
The utility model discloses an alkali wash spray tower air inlet can be directly be connected with storage tank 10, generally adopt concentration to be 25% sodium hydroxide solution in the spray tower, tail gas lets in the alkali wash spray tower from the storage tank and gets into first trunk line after getting rid of acid composition, and be in ozone at the branch pipeline and mix, the gas mixture gets into the active carbon deodorization case again together, tail gas after the active carbon treatment is discharged by the chimney again, realize the on-the-spot processing of tail gas, and on-the-spot naked light does not have, the treatment cost is low, the security is high, and can not cause the pollution after the exhaust emission through this device processing.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a tail gas processing apparatus of acrylic acid and derivatives thereof, includes alkaline washing spray column (1) and active carbon deodorization case (3), and the gas outlet of alkaline washing spray column (1) is through the air inlet intercommunication of first trunk line (5) and active carbon deodorization case (3), characterized by: the device is characterized by further comprising a photo-oxidation catalytic device (2), wherein the top of the photo-oxidation catalytic device (2) is communicated with the first main pipeline (5) through a branch pipeline (6), and the bottom of the photo-oxidation catalytic device (2) is connected with a first fan (7);
still be equipped with alarm and water pump outside alkaline washing spray column (1), be equipped with level sensor in the tower, the air inlet of alkaline washing spray column (1) is located the bottom, still is equipped with the spark arrester in the air inlet department of alkaline washing spray column (1), and air outlet department is equipped with the defroster.
2. The apparatus for treating tail gas of acrylic acid and its derivatives as claimed in claim 1, wherein: still include chimney (4), the gas outlet of active carbon deodorization case (3) is through second trunk line (8) and chimney (4) intercommunication, still is equipped with second fan (9) on second trunk line (8).
3. The apparatus for treating tail gas of acrylic acid and its derivatives as claimed in claim 1, wherein: a pressure sensor is also arranged in front of the second fan (9).
4. The apparatus for treating tail gas of acrylic acid and its derivatives as claimed in claim 3, wherein: the intelligent alarm system also comprises a controller, wherein the controller comprises an information receiving module, an alarm control module and a fan control module,
the liquid level sensor is used for detecting the liquid level, setting a threshold value and sending the information that the liquid level is too low to the controller when the liquid level in the tower is lower than the threshold value;
the pressure sensor is used for detecting the real-time pressure at the installation position, setting a threshold value and sending information of overlarge pressure to the controller when the detected pressure is greater than the threshold value;
the information receiving module is used for receiving information sent by the liquid level sensor and the pressure sensor, processing the received information and sending the processed information to the alarm control module or the fan control module;
the alarm control module is used for receiving the information sent by the information receiving module and controlling the alarm to send out an alarm when the liquid level is too low;
and the fan control module is used for receiving the information sent by the information receiving module and controlling the second fan to increase the rotating speed when the pressure of the pressure detection point is overlarge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921964418.9U CN211537211U (en) | 2019-11-14 | 2019-11-14 | Tail gas treatment device for acrylic acid and derivatives thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921964418.9U CN211537211U (en) | 2019-11-14 | 2019-11-14 | Tail gas treatment device for acrylic acid and derivatives thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211537211U true CN211537211U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921964418.9U Active CN211537211U (en) | 2019-11-14 | 2019-11-14 | Tail gas treatment device for acrylic acid and derivatives thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211537211U (en) |
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2019
- 2019-11-14 CN CN201921964418.9U patent/CN211537211U/en active Active
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