CN217613957U - Multi-effect purification tower for treating polypropylene waste gas in grading manner - Google Patents
Multi-effect purification tower for treating polypropylene waste gas in grading manner Download PDFInfo
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- CN217613957U CN217613957U CN202123417020.3U CN202123417020U CN217613957U CN 217613957 U CN217613957 U CN 217613957U CN 202123417020 U CN202123417020 U CN 202123417020U CN 217613957 U CN217613957 U CN 217613957U
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- 238000000746 purification Methods 0.000 title claims abstract description 154
- 239000002912 waste gas Substances 0.000 title claims abstract description 33
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 21
- -1 polypropylene Polymers 0.000 title claims abstract description 21
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 21
- 238000012546 transfer Methods 0.000 claims abstract description 43
- 230000001105 regulatory effect Effects 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 17
- 239000000945 filler Substances 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000000376 reactant Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 230000000750 progressive effect Effects 0.000 abstract description 3
- 238000010926 purge Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000010891 toxic waste Substances 0.000 description 1
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Abstract
The utility model discloses a multistage processing polypropylene waste gas multiple-effect purification tower, include: the device comprises an air inlet pipe, a first purification tower, a transfer pipe, an adjusting valve, a secondary purification tower, a communicating pipe and an air outlet pipe, wherein the air inlet pipe is arranged at the bottom of the first purification tower, the transfer pipe is arranged at the top of the first purification tower, the secondary purification tower is arranged at the output end of the transfer pipe, and the air outlet pipe is arranged at the output end of the secondary purification tower; the transfer pipe is provided with a regulating valve which is connected with all secondary purification towers; a communicating pipe is connected between the secondary purification towers; adopt progressive formula multilayer purification's structure on the one hand, adopt reaction solution submergence waste gas simultaneously, guarantee waste gas and reactant contact, improved purification efficiency, guarantee the completeness of purification, on the other hand passes through valve control and cuts off partial purifying column, realizes the maintenance of not shutting down of purifying column, improves production efficiency, and the purifying column that needs to overhaul also can arrange waste gas to the purifying column of work in, avoids waste gas harm workman and environment.
Description
Technical Field
The utility model belongs to the field of waste gas treatment equipment, in particular to a multi-effect purification tower for treating polypropylene waste gas in a grading way.
Background
The purification tower is a device which absorbs and decomposes harmful substances by means of chemical reaction and is widely applied to the fields of chemical production and the like which generate toxic waste materials. The production of polypropylene materials can also generate a large amount of toxic gases, a purification tower is required to be used for purification, and in the practical use of the purification tower, the problems of incomplete purification and difficult maintenance often exist, so that the purification tower is innovated and improved in the application for the problems.
Present purge tower still has many weak points, for example, present purge tower mostly has the purification incomplete problem, because adopt spray column purification usually, gas probably does not have contact chemical liquid, lead to not reacting just being released, polluted environment, the security is poor, simultaneously, present purge tower mostly has the problem of being difficult to maintain, because present purge tower need shut down and change reactant or cleaning equipment, reduce purification efficiency, simultaneously the purge tower stops completely, the body of the tower content easily remains poisonous gas, harm operating personnel's safety. Therefore, the present application has innovated and improved the purification tower with respect to the above problems.
The existing purification tower mainly has the following problems:
1. most of the existing purification towers have the problem of incomplete purification, and because the purification is usually carried out by adopting a spray tower, gas possibly does not contact with chemical liquid, so that the gas is released without reaction, the environment is polluted, and the safety is poor.
2. Most of the existing purification towers have the problem of difficult maintenance, because the existing purification towers need to be shut down to replace reactants or cleaning equipment, the purification efficiency is reduced, and toxic gas is easy to remain in the tower body and endangers the safety of operators.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome above not enough, the utility model aims at providing a hierarchical processing polypropylene waste gas multiple-effect purification tower, adopt the structure of progressive multilayer purification on the one hand, adopt reaction solution submergence waste gas simultaneously, guarantee waste gas and reactant contact, purification efficiency has been improved, guarantee the completeness of purification, on the other hand passes through valve control and cuts off partial purification tower, realize the non-stop maintenance of purification tower, production efficiency is improved, the purification tower that needs to overhaul also can arrange waste gas to the purification tower of work in, avoid waste gas harm workman and environment.
The technical scheme is as follows: in order to achieve the above object, the present invention provides a multi-effect purification tower for staged treatment of polypropylene exhaust gas, comprising: the device comprises an air inlet pipe, a first purification tower, a transfer pipe, an adjusting valve, a secondary purification tower, a communicating pipe and an air outlet pipe, wherein the air inlet pipe is arranged at the bottom of the first purification tower, the transfer pipe is arranged at the top of the first purification tower, the secondary purification tower is arranged at the output end of the transfer pipe, the number of the secondary purification towers can be multiple, and the air outlet pipe is arranged at the output end of the secondary purification tower; the transfer pipe is provided with a regulating valve which is connected with all secondary purification towers; and communicating pipes are connected between the secondary purification towers.
The utility model discloses in the structure of formula multilayer purification is advanced in adoption to the setting of multiple-effect purifying column, adopts reaction solution submergence waste gas simultaneously, guarantees waste gas and reactant contact, has improved purification efficiency, guarantees the completeness of purification.
The utility model discloses in the setting of multiple-effect purifying tower cuts off partial purifying tower through valve control, realizes the maintenance of not shutting down of purifying tower, improves production efficiency, and the purifying tower that needs to overhaul also can arrange waste gas to the purifying tower of work in, avoids waste gas harm workman and environment.
The first purification tower comprises a first tower body, filler, a spraying pipe and a water pool, wherein the bottom of the first tower body is connected with an air inlet pipe, the middle section of the first tower body is provided with the filler, the top of the filler is provided with the spraying pipe, the spraying pipe is arranged in a grid shape, and the top of the first tower body is connected with a transfer pipe; the first body of the tower bottom is provided with the pond, the pond sets up in the intake pipe bottom.
The transfer pipe in the utility model comprises a main pipe, a gas distribution pipe and an auxiliary sealing valve, wherein the input end of the main pipe is connected with the top of the first purification tower, the output end of the main pipe is connected with a regulating valve, one side of the regulating valve, which is far away from the main pipe, is provided with the gas distribution pipe, and the output end of the gas distribution pipe is connected with the secondary purification tower; and an auxiliary sealing valve is arranged on the gas distribution pipe and is linked with the regulating valve through a wire.
The utility model discloses in shift the setting of pipe, improved the leakproofness.
The utility model discloses in transfer pipe output end be provided with the gas pocket, the gas pocket is provided with a plurality ofly.
The utility model discloses in the area of contact of waste gas with the reaction liquid has been improved in the setting of gas pocket.
The utility model discloses in governing valve essence be a plurality of open and close valves, supplementary seal valve with the open and close valve one-to-one.
The utility model discloses in the gas-distributing pipe include outer tube and connecting pipe, the outer tube inboard is provided with the connecting pipe, outer tube parcel connecting pipe, it is provided with supplementary seal valve to connect on the connecting pipe, outer tube parcel supplementary seal valve.
The utility model discloses in secondary purification tower in be provided with purification water pool, the transfer pipe extends to in the purification water pool.
The utility model discloses in communicating pipe include communicating pipe anterior segment, shunt pipe and electric control valve, communicating pipe anterior segment one end is connected with the shunt pipe, set secondary purification tower behind the shunt union coupling, shunt pipe quantity equals set secondary purification tower quantity in back, be provided with electric control valve on the shunt pipe.
The utility model discloses in automatically controlled valve include preceding set valve switch, preceding set valve, back set valve switch and back set valve, preceding set valve switch establishes ties with preceding set valve, preceding set valve switch is double-throw switch, preceding set valve switch is connected and is provided with back set valve switch, back set valve switch establishes ties with preceding set valve switch, back set valve switch establishes ties with back set valve.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:
1. the utility model discloses in a hierarchical processing polypropylene waste gas multiple-effect purification tower, adopt the structure of progressive formula multilayer purification, adopt reaction solution submergence waste gas simultaneously, guarantee waste gas and reactant contact, improved purification efficiency, guarantee the completeness of purification.
2. The utility model discloses in a hierarchical processing polypropylene waste gas multiple-effect purification tower, cut off partial purification tower through valve control, realize the not shutdown maintenance of purification tower, improve production efficiency, the purification tower that needs to overhaul also can arrange waste gas to the purification tower of work in, avoids waste gas harm workman and environment.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a first purification tower of the present invention;
FIG. 3 is a schematic structural view of the transfer tube of the present invention;
fig. 4 is a schematic structural view of the communication pipe of the present invention;
fig. 5 is a schematic structural view of the electric control valve of the present invention;
in the figure: the device comprises an air inlet pipe-1, a first purification tower-2, a first tower body-21, a filler-22, a spray pipe-23, a water pool-24, a transfer pipe-3, a main pipe-31, a gas distribution pipe-32, an outer pipe-321, a connecting pipe-322, an auxiliary sealing valve-33, a regulating valve-4, a secondary purification tower-5, a communicating pipe-6, a communicating pipe front section-61, a branch pipe-62, an electric control valve-63, a front set valve switch-631, a front set valve-632, a rear set valve switch-633, a rear set valve-634 and an air outlet pipe-7.
Detailed Description
The invention will be further elucidated with reference to the drawings and the embodiments.
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" 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 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, 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 of ordinary skill in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
A multi-effect purification tower for treating polypropylene waste gas by stages, as shown in fig. 1-5, comprises: the device comprises an air inlet pipe 1, a first purification tower 2, a transfer pipe 3, an adjusting valve 4, a secondary purification tower 5, a communicating pipe 6 and an air outlet pipe 7, wherein the air inlet pipe 1 is arranged at the bottom of the first purification tower 2, the transfer pipe 3 is arranged at the top of the first purification tower 2, the secondary purification tower 5 is arranged at the output end of the transfer pipe 3, a plurality of secondary purification towers 5 can be arranged, and the air outlet pipe 7 is arranged at the output end of each secondary purification tower 5; the transfer pipe 3 is provided with a regulating valve 4, and the regulating valve 4 is connected with all secondary purification towers 5; and a communicating pipe 6 is connected between the secondary purification towers 5.
The first purification tower 2 in this embodiment includes a first tower body 21, a filler 22, a spray pipe 23 and a water tank 24, the bottom of the first tower body 21 is connected to the air inlet pipe 1, the filler 22 is disposed in the middle section of the first tower body 21, the spray pipe 23 is disposed on the top of the filler 22, the spray pipe 23 is arranged in a grid shape, and the top of the first tower body 21 is connected to the transfer pipe 3; the bottom of the first tower body 21 is provided with a water tank 24, and the water tank 24 is arranged at the bottom of the air inlet pipe 1.
The transfer pipe 3 in this embodiment includes a main pipe 31, a gas distribution pipe 32, and an auxiliary sealing valve 33, an input end of the main pipe 31 is connected to the top of the first purification tower 2, an output end of the main pipe 31 is connected to the regulating valve 4, a gas distribution pipe 32 is disposed on a side of the regulating valve 4 away from the main pipe 31, and an output end of the gas distribution pipe 32 is connected to the secondary purification tower 5; an auxiliary sealing valve 33 is arranged on the gas distributing pipe 32, and the auxiliary sealing valve 33 is linked with the regulating valve 4 through a lead.
The regulating valve 4 described in the present embodiment is essentially a plurality of opening and closing valves, and the auxiliary sealing valves 33 correspond to the opening and closing valves one by one.
The gas distribution pipe 32 in this embodiment includes an outer pipe 321 and a connecting pipe 322, the inner side of the outer pipe 321 is provided with the connecting pipe 322, the outer pipe 321 wraps the connecting pipe 322, the connecting pipe 322 is provided with an auxiliary sealing valve 33 in a connecting manner, and the outer pipe 321 wraps the auxiliary sealing valve 33.
In the embodiment, a purification water pool is arranged in the secondary purification tower 5, and the transfer pipe 3 extends into the purification water pool.
Communicating pipe 6 stated in this embodiment includes communicating pipe anterior segment 61, branch way pipe 62 and electric control valve 63, communicating pipe anterior segment 61 one end is connected with branch way pipe 62, set secondary purification tower 5 after branch way pipe 62 connects, branch way pipe 62 quantity equals to set secondary purification tower 5 quantity after, be provided with electric control valve 63 on the branch way pipe 62.
The electric control valve 63 described in this embodiment includes a front set valve switch 631, a front set valve 632, a rear set valve switch 633 and a rear set valve 634, the front set valve switch 631 is connected in series with the front set valve 632, the front set valve switch 631 is a double-throw switch, the front set valve switch 631 is connected and provided with the rear set valve switch 633, the rear set valve switch 633 is connected in series with the front set valve switch 631, and the rear set valve switch 633 is connected in series with the rear set valve 634.
Example 2
A multi-effect purification tower for treating polypropylene waste gas by stages as shown in fig. 1 and 2, comprising: the device comprises an air inlet pipe 1, a first purification tower 2, a transfer pipe 3, an adjusting valve 4, a secondary purification tower 5, a communicating pipe 6 and an air outlet pipe 7, wherein the air inlet pipe 1 is arranged at the bottom of the first purification tower 2, the transfer pipe 3 is arranged at the top of the first purification tower 2, the secondary purification tower 5 is arranged at the output end of the transfer pipe 3, a plurality of secondary purification towers 5 can be arranged, and the air outlet pipe 7 is arranged at the output end of each secondary purification tower 5; the transfer pipe 3 is provided with a regulating valve 4, and the regulating valve 4 is connected with all secondary purification towers 5; and a communicating pipe 6 is connected between the secondary purification towers 5.
The first purification tower 2 in this embodiment includes a first tower body 21, a filler 22, a spray pipe 23 and a water tank 24, the bottom of the first tower body 21 is connected to the air inlet pipe 1, the filler 22 is disposed in the middle section of the first tower body 21, the spray pipe 23 is disposed on the top of the filler 22, the spray pipe 23 is arranged in a grid shape, and the top of the first tower body 21 is connected to the transfer pipe 3; the bottom of the first tower body 21 is provided with a water tank 24, and the water tank 24 is arranged at the bottom of the air inlet pipe 1.
Example 3
A multi-effect purification tower for treating polypropylene waste gas by stages as shown in fig. 1 and 3, comprising: the device comprises an air inlet pipe 1, a first purification tower 2, a transfer pipe 3, an adjusting valve 4, a secondary purification tower 5, a communicating pipe 6 and an air outlet pipe 7, wherein the air inlet pipe 1 is arranged at the bottom of the first purification tower 2, the transfer pipe 3 is arranged at the top of the first purification tower 2, the secondary purification tower 5 is arranged at the output end of the transfer pipe 3, a plurality of secondary purification towers 5 can be arranged, and the air outlet pipe 7 is arranged at the output end of each secondary purification tower 5; the transfer pipe 3 is provided with a regulating valve 4, and the regulating valve 4 is connected with all secondary purification towers 5; and a communicating pipe 6 is connected between the secondary purification towers 5.
The transfer pipe 3 in this embodiment includes a main pipe 31, a gas distribution pipe 32 and an auxiliary sealing valve 33, an input end of the main pipe 31 is connected to the top of the first purification tower 2, an output end of the main pipe 31 is connected to the regulating valve 4, the gas distribution pipe 32 is arranged on a side of the regulating valve 4 away from the main pipe 31, and an output end of the gas distribution pipe 32 is connected to the secondary purification tower 5; an auxiliary sealing valve 33 is arranged on the gas distributing pipe 32, and the auxiliary sealing valve 33 is linked with the regulating valve 4 through a lead.
The regulating valve 4 in this embodiment is essentially a plurality of opening and closing valves, and the auxiliary sealing valves 33 correspond to the opening and closing valves one by one.
The gas distributing pipe 32 in this embodiment includes an outer pipe 321 and a connecting pipe 322, the inner side of the outer pipe 321 is provided with the connecting pipe 322, the outer pipe 321 wraps the connecting pipe 322, the connecting pipe 322 is connected with an auxiliary sealing valve 33, and the outer pipe 321 wraps the auxiliary sealing valve 33.
In the embodiment, a purification water pool is arranged in the secondary purification tower 5, and the transfer pipe 3 extends into the purification water pool.
Example 4
A multi-effect purification tower for treating polypropylene exhaust gas by stages as shown in fig. 1, 4 and 5, comprising: the device comprises an air inlet pipe 1, a first purification tower 2, a transfer pipe 3, an adjusting valve 4, a secondary purification tower 5, a communicating pipe 6 and an air outlet pipe 7, wherein the air inlet pipe 1 is arranged at the bottom of the first purification tower 2, the transfer pipe 3 is arranged at the top of the first purification tower 2, the secondary purification tower 5 is arranged at the output end of the transfer pipe 3, a plurality of secondary purification towers 5 can be arranged, and the air outlet pipe 7 is arranged at the output end of each secondary purification tower 5; the transfer pipe 3 is provided with a regulating valve 4, and the regulating valve 4 is connected with all secondary purification towers 5; and a communicating pipe 6 is connected between the secondary purification towers 5.
Communicating pipe 6 stated in this embodiment includes communicating pipe anterior segment 61, branch way pipe 62 and electric control valve 63, communicating pipe anterior segment 61 one end is connected with branch way pipe 62, set secondary purification tower 5 after branch way pipe 62 connects, branch way pipe 62 quantity equals to set secondary purification tower 5 quantity after, be provided with electric control valve 63 on the branch way pipe 62.
The electric control valve 63 described in this embodiment includes a front set valve switch 631, a front set valve 632, a rear set valve switch 633 and a rear set valve 634, the front set valve switch 631 is connected in series with the front set valve 632, the front set valve switch 631 is a double-throw switch, the front set valve switch 631 is connected and provided with the rear set valve switch 633, the rear set valve switch 633 is connected in series with the front set valve switch 631, and the rear set valve switch 633 is connected in series with the rear set valve 634.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (8)
1. A multi-effect purification tower for treating polypropylene waste gas in a grading way is characterized in that: the method comprises the following steps: the device comprises an air inlet pipe (1), a first purification tower (2), a transfer pipe (3), an adjusting valve (4), a secondary purification tower (5), a communicating pipe (6) and an air outlet pipe (7), wherein the air inlet pipe (1) is arranged at the bottom of the first purification tower (2), the transfer pipe (3) is arranged at the top of the first purification tower (2), the secondary purification towers (5) are arranged at the output ends of the transfer pipe (3), the number of the secondary purification towers (5) can be multiple, and the air outlet pipe (7) is arranged at the output ends of the secondary purification towers (5); the transfer pipe (3) is provided with a regulating valve (4), and the regulating valve (4) is connected with all secondary purification towers (5); and a communicating pipe (6) is connected between the secondary purification towers (5).
2. The multi-effect purification tower for treating polypropylene waste gas in a staged manner as claimed in claim 1, wherein: the first purification tower (2) comprises a first tower body (21), a filler (22), a spray pipe (23) and a water pool (24), wherein the bottom of the first tower body (21) is connected with an air inlet pipe (1), the filler (22) is arranged in the middle section of the first tower body (21), the spray pipe (23) is arranged at the top of the filler (22), the spray pipe (23) is arranged in a grid shape, and the top of the first tower body (21) is connected with a transfer pipe (3); a water pool (24) is arranged at the bottom of the first tower body (21), and the water pool (24) is arranged at the bottom of the air inlet pipe (1).
3. The multi-effect purification tower for treating polypropylene waste gas in a staged manner as claimed in claim 1, wherein: the transfer pipe (3) comprises a main pipe (31), a gas distribution pipe (32) and an auxiliary sealing valve (33), the input end of the main pipe (31) is connected to the top of the first purification tower (2), the output end of the main pipe (31) is connected with the regulating valve (4), the gas distribution pipe (32) is arranged on one side, away from the main pipe (31), of the regulating valve (4), and the output end of the gas distribution pipe (32) is connected with the secondary purification tower (5); an auxiliary sealing valve (33) is arranged on the gas distribution pipe (32), and the auxiliary sealing valve (33) is linked with the regulating valve (4) through a wire.
4. The multi-effect purification tower for the staged treatment of polypropylene exhaust gas as claimed in claim 3, wherein: the regulating valve (4) is essentially a plurality of opening and closing valves, and the auxiliary sealing valves (33) correspond to the opening and closing valves one by one.
5. The multi-effect purification tower for treating polypropylene waste gas in a staged manner as claimed in claim 3, wherein: the gas distribution pipe (32) comprises an outer pipe (321) and a connecting pipe (322), wherein the connecting pipe (322) is arranged on the inner side of the outer pipe (321), the outer pipe (321) wraps the connecting pipe (322), an auxiliary sealing valve (33) is connected and arranged on the connecting pipe (322), and the outer pipe (321) wraps the auxiliary sealing valve (33).
6. The multi-effect purification tower for the staged treatment of polypropylene exhaust gas as claimed in claim 1, wherein: and a purification water pool is arranged in the secondary purification tower (5), and the transfer pipe (3) extends into the purification water pool.
7. The multi-effect purification tower for the staged treatment of polypropylene exhaust gas as claimed in claim 1, wherein: communicating pipe (6) including communicating pipe anterior segment (61), branch way pipe (62) and electric control valve (63), communicating pipe anterior segment (61) one end is connected with branch way pipe (62), set secondary purification tower (5) after branch way pipe (62) are connected, set secondary purification tower (5) quantity after branch way pipe (62) quantity equals, be provided with electric control valve (63) on branch way pipe (62).
8. The multi-effect purification tower for treating polypropylene waste gas in a staged manner as claimed in claim 7, wherein: electric control valve (63) including preceding set valve switch (631), preceding set valve (632), after set valve switch (633) and after set valve (634), preceding set valve switch (631) establishes ties with preceding set valve (632), preceding set valve switch (631) is the double-throw switch, preceding set valve switch (631) is connected and is provided with after set valve switch (633), after set valve switch (633) establishes ties with preceding set valve switch (631), after set valve switch (633) establishes ties with after set valve switch (634).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123417020.3U CN217613957U (en) | 2021-12-31 | 2021-12-31 | Multi-effect purification tower for treating polypropylene waste gas in grading manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123417020.3U CN217613957U (en) | 2021-12-31 | 2021-12-31 | Multi-effect purification tower for treating polypropylene waste gas in grading manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217613957U true CN217613957U (en) | 2022-10-21 |
Family
ID=83643138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123417020.3U Expired - Fee Related CN217613957U (en) | 2021-12-31 | 2021-12-31 | Multi-effect purification tower for treating polypropylene waste gas in grading manner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217613957U (en) |
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2021
- 2021-12-31 CN CN202123417020.3U patent/CN217613957U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221021 |