CN216986358U - Waste gas treatment system - Google Patents
Waste gas treatment system Download PDFInfo
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- CN216986358U CN216986358U CN202220638459.4U CN202220638459U CN216986358U CN 216986358 U CN216986358 U CN 216986358U CN 202220638459 U CN202220638459 U CN 202220638459U CN 216986358 U CN216986358 U CN 216986358U
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- cooling
- liquid
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- tank
- treatment system
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- 239000002912 waste gas Substances 0.000 title claims abstract description 53
- 238000001816 cooling Methods 0.000 claims abstract description 84
- 239000007789 gas Substances 0.000 claims abstract description 78
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 239000002699 waste material Substances 0.000 claims abstract description 18
- 239000000110 cooling liquid Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 238000010790 dilution Methods 0.000 claims description 13
- 239000012895 dilution Substances 0.000 claims description 13
- 239000002994 raw material Substances 0.000 abstract description 14
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000010257 thawing Methods 0.000 description 23
- 238000001514 detection method Methods 0.000 description 16
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of waste gas treatment, and discloses a waste gas treatment system which comprises a tank assembly, a cooling assembly and a waste gas furnace, wherein the tank assembly can generate gas to be treated, the cooling assembly is communicated with the tank assembly, cooling liquid with the temperature lower than-18 ℃ and the gas to be treated generated by the tank assembly can respectively enter the cooling assembly for heat exchange, the cooled gas to be treated can be separated into liquid and waste gas, the liquid can return to the tank assembly, the waste gas furnace is communicated with the cooling assembly, and the waste gas furnace is used for treating waste gas. The waste gas treatment system that this embodiment provided, cooling module can become liquid and waste gas with pending gas separation, and the liquid of isolating can return jar body subassembly and carry out reuse, has realized the recovery of raw materials, has reduced the waste of raw materials, has increased pending gaseous processing speed for more waste gas can be handled to the waste gas stove, and the gas after the waste gas stove is handled can reach the environmental protection and discharges the requirement.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a waste gas treatment system.
Background
The fluorocarbon resin passes through high pressure in the reaction kettleThe pressure in a reaction kettle after the reaction is maintained at 2kg/cm2Left and right, the gas to be treated in the reaction kettle is mainly unreacted chlorotrifluoroethylene, before the reaction kettle is decompressed and discharged to the dilution tank, unreacted monomer raw materials and chlorotrifluoroethylene in fluorocarbon resin need to be removed by vacuum pumping, and the gas to be treated needs to be continuously discharged to a waste gas furnace for treatment during the vacuum pumping. This operation has the following problems: continuously discharging the gas to be treated to a waste gas furnace in the vacuumizing process, wherein the gas treated by the waste gas furnace cannot meet the environment-friendly discharge requirement; the vacuum pumping speed needs to be slowed down due to the limitation of the processing capacity of the waste gas furnace, the processing time is influenced, and the productivity is reduced; the vacuum pumping can pump out the effective components in the fluorocarbon resin, which causes the waste of raw materials and increases the cost of the raw materials.
SUMMERY OF THE UTILITY MODEL
Based on the above, the present invention provides a waste gas treatment system, which increases the discharge speed of the gas to be treated, can recover the raw material in the gas to be treated, reduces the waste of the raw material, and enables the gas treated by the waste gas furnace to meet the requirement of environmental emission.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an exhaust treatment system comprising: a tank assembly capable of generating a gas to be treated; the cooling assembly is communicated with the tank assembly, cooling liquid with the temperature lower than-18 ℃ and the gas to be treated generated by the tank assembly can respectively enter the cooling assembly for heat exchange, the cooled gas to be treated can be separated into liquid and waste gas, and the liquid can return to the tank assembly; and the waste gas furnace is communicated with the cooling assembly and is used for treating the waste gas.
As a preferred scheme of the waste gas treatment system, the cooling assembly comprises a cooling inlet pipeline, a cooling outlet pipeline and a first condenser, a cooling channel and a heat exchange channel communicated with the tank body assembly are defined in the first condenser, an inlet and an outlet of the cooling channel are respectively communicated with the cooling inlet pipeline and the cooling outlet pipeline, and the cooling inlet pipeline is used for introducing cooling liquid.
As a preferable mode of the exhaust gas treatment system, the flow directions of the cooling liquid in the cooling channel and the gas to be treated in the heat exchange channel are opposite.
As a preferable embodiment of the exhaust gas treatment system, the exhaust gas treatment system further includes a defrosting pump and a heating member for heating defrosting liquid, an inlet of the defrosting pump is communicated with the cooling outflow pipe, an outlet of the defrosting pump is communicated with the cooling inflow pipe, the heating member is located between the defrosting pump and the cooling inflow pipe or between the defrosting pump and the cooling outflow pipe, the heated defrosting liquid can enter the cooling passage to remove a frost layer in the first condenser, and the cooled defrosting liquid can be returned to the heating member for heating.
As a preferred scheme of the exhaust-gas treatment system, be equipped with first temperature detection spare on the heating member, first temperature detection spare is used for detecting the defrosting liquid temperature, the heating member can with the defrosting liquid heating reaches preset temperature.
As a preferable scheme of the exhaust gas treatment system, the exhaust gas treatment system further includes a second temperature detection element and a third temperature detection element, the second temperature detection element is disposed at an inlet of the heat exchange passage to detect a temperature of the gas to be treated entering the heat exchange passage, and the third temperature detection element is disposed at an outlet of the heat exchange passage to detect a temperature of the exhaust gas flowing out of the heat exchange passage.
As a preferable scheme of the exhaust gas treatment system, the exhaust gas treatment system further comprises a vacuum pump, an inlet of the vacuum pump is communicated with the tank assembly, and an outlet of the vacuum pump is communicated with the cooling assembly.
As a preferable scheme of the waste gas treatment system, the waste gas treatment system further comprises a waste liquid tank, an outlet of the waste liquid tank is communicated with the tank assembly, and an inlet of the waste liquid tank is communicated with the cooling assembly.
As a preferred scheme of exhaust-gas treatment system, jar body subassembly is including the reserve tank, reation kettle and the dilution tank that can communicate in proper order, reserve tank, reation kettle reaches the dilution tank all can with cooling module intercommunication.
As a preferable mode of the off-gas treatment system, the off-gas treatment system further includes a second condenser communicating the reaction vessel with the cooling module, and a third condenser communicating the dilution tank with the cooling module.
The beneficial effects of the utility model are as follows: according to the waste gas treatment system disclosed by the utility model, the cooling assembly can separate the gas to be treated into liquid and waste gas, the separated liquid can be returned to the tank assembly for reuse, so that the recovery of raw materials is realized, the waste of the raw materials is reduced, the treatment speed of the gas to be treated is increased, the waste gas furnace can treat more waste gas, and the gas treated by the waste gas furnace can meet the requirement of environmental protection and emission.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic diagram of an exhaust treatment system provided by an embodiment of the present invention.
In the figure:
1. a canister assembly; 11. a material preparing groove; 12. a reaction kettle; 13. a dilution tank;
2. a cooling assembly; 21. cooling the mixture into a pipeline; 22. cooling the outflow conduit; 23. a first condenser;
3. a waste gas furnace;
41. a defrost pump; 42. a heating element;
51. a first temperature detection member; 52. a second temperature detection member; 53. a third temperature detection member;
61. a vacuum pump; 62. a waste liquid tank;
71. a second condenser; 72. and a third condenser.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, 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. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a waste gas treatment system, which is used for treating gas to be treated generated in the process of producing fluorocarbon resin, and as shown in fig. 1, the waste gas treatment system comprises a tank assembly 1, a cooling assembly 2 and a waste gas furnace 3, wherein the tank assembly 1 can generate the gas to be treated, the cooling assembly 2 is communicated with the tank assembly 1, cooling liquid with the temperature lower than-18 ℃ and the gas to be treated generated by the tank assembly 1 can respectively enter the cooling assembly 2 for heat exchange, the cooled gas to be treated can be separated into liquid and waste gas, the liquid can return to the tank assembly 1, the waste gas furnace 3 is communicated with the cooling assembly 2, and the waste gas furnace 3 is used for treating the waste gas.
The waste gas treatment system that this embodiment provided, cooling module 2 can become liquid and waste gas with pending gas separation, and the liquid of isolating can return jar body subassembly 1 and carry out reuse, has realized the recovery of raw materials, has reduced the waste of raw materials, has increased pending gaseous processing speed for waste gas stove 3 can handle more waste gases, and the gas after waste gas stove 3 handles can reach the environmental protection and discharge the requirement.
As shown in fig. 1, the cooling assembly 2 of this embodiment includes a cooling inlet pipe 21, a cooling outlet pipe 22 and a first condenser 23, a cooling channel and a heat exchange channel communicated with the tank assembly 1 are defined in the first condenser 23, an inlet and an outlet of the cooling channel are respectively communicated with the cooling inlet pipe 21 and the cooling outlet pipe 22, the cooling inlet pipe 21 is used for introducing a cooling liquid, that is, the cooling liquid with a lower temperature can cool the gas to be treated, so that small liquid beads in the gas to be treated are cooled to liquid. In order to ensure that the small liquid beads in the gas to be treated are fully cooled into liquid, the flowing directions of the cooling liquid in the cooling channel and the gas to be treated in the heat exchange channel are opposite, namely, the gas to be treated in the cooling channel and the cooling liquid in the heat exchange channel perform countercurrent heat exchange, so that the temperature of the gas to be treated is fully reduced, and the small liquid beads in the gas to be treated are fully cooled into liquid.
Because the temperature of the cooling liquid is low, the liquid separated from the gas to be treated in the heat exchange channel in the first condenser 23 is easy to frost, the flow area of the heat exchange channel is reduced, if the defrosting is not performed for a long time, the heat exchange channel is easy to block, in order to remove the frost layer in the first condenser 23, as shown in fig. 1, the exhaust gas treatment system of the embodiment further includes a defrosting pump 41 and a heating member 42 for heating the defrosting liquid, an inlet of the defrosting pump 41 is communicated with the cooling outflow pipeline 22, an outlet of the defrosting pump is communicated with the cooling inflow pipeline 21, the heating member 42 is located between the defrosting pump 41 and the cooling outflow pipeline 22, the heated defrosting liquid can enter the cooling channel to remove the frost layer in the first condenser 23, and the cooled defrosting liquid can return to the heating member 42 for heating. In other embodiments, the heating element 42 may also be located between the defrost pump 41 and the cooling inlet duct 21, and the position of the heating element 42 is selected according to actual needs. Specifically, when the first condenser 23 needs defrosting, the cooling inlet pipe 21 prohibits the introduction of the cooling liquid, the defrosting liquid heated by the heating member 42 is introduced into the cooling channel, and the defrosting liquid with a higher temperature heats the first condenser 23, so that the frost layer in the first condenser 23 is melted.
As shown in fig. 1, the heating element 42 is provided with a first temperature detecting element 51, the first temperature detecting element 51 is a temperature sensor, the first temperature detecting element 51 is used for detecting the temperature of the defrosting liquid, the heating element 42 can heat the defrosting liquid to a preset temperature, and the preset temperature is selected according to actual needs, for example, the preset temperature can be any temperature between 45 ℃ and 60 ℃, or other temperatures can be selected, and is specifically determined according to actual needs.
As shown in fig. 1, the exhaust gas treatment system of the present embodiment further includes a second temperature detection element 52 and a third temperature detection element 53, both of the second temperature detection element 52 and the third temperature detection element 53 are temperature sensors, the second temperature detection element 52 is disposed at an inlet of the heat exchange channel to detect a temperature of the gas to be treated entering the heat exchange channel, and the third temperature detection element 53 is disposed at an outlet of the heat exchange channel to detect a temperature of the exhaust gas flowing out of the heat exchange channel.
As shown in fig. 1, the exhaust gas treatment system of the embodiment further includes a vacuum pump 61 and a waste liquid tank 62, an inlet of the vacuum pump 61 is communicated with the tank assembly 1, an outlet of the vacuum pump 61 is communicated with the cooling assembly 2, the vacuum pump 61 can pump the gas to be treated in the tank assembly 1 to the cooling assembly 2 for cooling, an outlet of the waste liquid tank 62 is communicated with the tank assembly 1, an inlet of the waste liquid tank 62 is communicated with the cooling assembly 2, an inlet of the waste liquid tank 62 is also communicated with an inlet of the heat exchange channel, and the waste liquid tank 62 is used for collecting liquid, so that the condensed liquid is reused, waste of raw materials is reduced, and production cost of fluorocarbon resin is reduced.
As shown in fig. 1, the tank assembly 1 of the present embodiment includes a material preparation tank 11, a reaction kettle 12 and a dilution tank 13 that can be sequentially communicated, the material preparation tank 11, the reaction kettle 12 and the dilution tank 13 can be communicated with the cooling assembly 2, the material preparation tank 11 is used for accommodating raw materials for producing fluorocarbon resin, the raw materials in the material preparation tank 11 are sent to the reaction kettle 12 for reaction, and the fluorocarbon resin generated after the reaction of the reaction kettle 12 is adjusted in the dilution tank 13. The off-gas treatment system further includes a second condenser 71 and a third condenser 72, the second condenser 71 communicating the reaction tank 12 with the cooling module 2, and the third condenser 72 communicating the dilution tank 13 with the cooling module 2. That is to say, the gas to be treated that reation kettle 12 and dilution tank 13 produced carries out the preliminary condensation at second condenser 71 and third condenser 72 before entering cooling module 2 and cooling for some little liquid globules in the gas to be treated condense into liquid, have reduced the probability that the humidity in the gas to be treated is too big and lead to vacuum pump 61 to take place the liquid hit, have prolonged vacuum pump 61's life.
Further, the gas concentration detection point is added at the outlet of the waste gas furnace 3, so that the content of the gas discharged from the waste gas furnace 3 and the concentration of various gases can be monitored in real time, the environment-friendly requirement of the gas discharged from the waste gas furnace 3 is met, and the phenomenon of gas explosion caused by overhigh concentration of the discharged gas is prevented.
It is to be noted that the foregoing description is only exemplary of the utility model and that the principles of the technology may be employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An exhaust treatment system, comprising:
a tank assembly (1) capable of generating a gas to be treated;
the cooling assembly (2) is communicated with the tank assembly (1), cooling liquid with the temperature lower than-18 ℃ and the gas to be treated generated by the tank assembly (1) can respectively enter the cooling assembly (2) for heat exchange, the cooled gas to be treated can be separated into liquid and waste gas, and the liquid can return to the tank assembly (1);
a waste gas furnace (3) in communication with the cooling assembly (2), the waste gas furnace (3) for processing the waste gas.
2. An exhaust gas treatment system according to claim 1, wherein the cooling assembly (2) comprises a cooling inlet duct (21), a cooling outlet duct (22) and a first condenser (23), the first condenser (23) defining therein a cooling channel and a heat exchange channel communicating with the tank assembly (1), an inlet and an outlet of the cooling channel communicating with the cooling inlet duct (21) and the cooling outlet duct (22), respectively, the cooling inlet duct (21) being adapted to being fed with the cooling liquid.
3. The exhaust gas treatment system according to claim 2, wherein the flow directions of the cooling liquid in the cooling channel and the gas to be treated in the heat exchange channel are opposite.
4. An exhaust gas treatment system according to claim 2, characterized in that the exhaust gas treatment system further comprises a defrost pump (41) and heating elements (42) for heating a defrost liquid, the defrost pump (41) having an inlet communicating with the cooling outflow conduit (22) and an outlet communicating with the cooling inlet conduit (21), the heating elements (42) being located between the defrost pump (41) and the cooling inlet conduit (21) or between the defrost pump (41) and the cooling outflow conduit (22), the heated defrost liquid being able to enter the cooling channel to remove the frost layer in the first condenser (23), the cooled defrost liquid being able to return to the heating elements (42) for heating.
5. An exhaust gas treatment system according to claim 4, characterized in that the heating member (42) is provided with a first temperature detecting member (51), the first temperature detecting member (51) being adapted to detect the temperature of the defrost liquid, the heating member (42) being adapted to heat the defrost liquid to a preset temperature.
6. An exhaust gas treatment system according to claim 2, further comprising a second temperature detecting member (52) and a third temperature detecting member (53), the second temperature detecting member (52) being provided at an inlet of the heat exchanging channel to detect a temperature of the gas to be treated entering the heat exchanging channel, the third temperature detecting member (53) being provided at an outlet of the heat exchanging channel to detect a temperature of the exhaust gas flowing out of the heat exchanging channel.
7. The exhaust gas treatment system according to claim 1, further comprising a vacuum pump (61), an inlet of the vacuum pump (61) being in communication with the tank assembly (1), an outlet of the vacuum pump (61) being in communication with the cooling assembly (2).
8. An exhaust gas treatment system according to claim 1, further comprising a waste liquid tank (62), an outlet of the waste liquid tank (62) being in communication with the tank assembly (1), an inlet of the waste liquid tank (62) being in communication with the cooling assembly (2).
9. The exhaust gas treatment system of claim 1, wherein the tank assembly (1) comprises a stock tank (11), a reaction kettle (12) and a dilution tank (13) which can be communicated in sequence, and the stock tank (11), the reaction kettle (12) and the dilution tank (13) can be communicated with the cooling assembly (2).
10. The exhaust gas treatment system according to claim 9, further comprising a second condenser (71) and a third condenser (72), the second condenser (71) communicating the reaction vessel (12) and the cooling package (2), the third condenser (72) communicating the dilution tank (13) and the cooling package (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220638459.4U CN216986358U (en) | 2022-03-22 | 2022-03-22 | Waste gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220638459.4U CN216986358U (en) | 2022-03-22 | 2022-03-22 | Waste gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216986358U true CN216986358U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220638459.4U Active CN216986358U (en) | 2022-03-22 | 2022-03-22 | Waste gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216986358U (en) |
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2022
- 2022-03-22 CN CN202220638459.4U patent/CN216986358U/en active Active
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