CN219972211U - Skid-mounted waste plastic pyrolysis gas treatment device - Google Patents
Skid-mounted waste plastic pyrolysis gas treatment device Download PDFInfo
- Publication number
- CN219972211U CN219972211U CN202320640229.6U CN202320640229U CN219972211U CN 219972211 U CN219972211 U CN 219972211U CN 202320640229 U CN202320640229 U CN 202320640229U CN 219972211 U CN219972211 U CN 219972211U
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- China
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- pyrolysis gas
- skid
- connector
- tank
- treatment device
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 68
- 239000004033 plastic Substances 0.000 title claims abstract description 36
- 229920003023 plastic Polymers 0.000 title claims abstract description 36
- 239000002699 waste material Substances 0.000 title claims abstract description 36
- 238000005406 washing Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002351 wastewater Substances 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000011010 flushing procedure Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 62
- 239000003513 alkali Substances 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 238000000034 method Methods 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 239000003518 caustics Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Landscapes
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The utility model discloses a skid-mounted waste plastic pyrolysis gas treatment device which comprises a skid-mounted shell, wherein a low-temperature pyrolysis gas inlet and a high-temperature pyrolysis gas inlet are formed in one side wall of the skid-mounted shell, an exhaust gas treated air outlet is formed in the top side wall of the skid-mounted shell, and a circulating pump, an alkaline washing tower, a water washing tower, an alkaline liquid storage tank, a water tank, a vacuum back-flushing cooling tank, a vacuum pump, a venturi ejector, a gas-liquid separation tank and a waste water tank are integrally arranged in the skid-mounted shell. According to the utility model, the pyrolysis gas treatment device is integrated in the skid-mounted shell through the arrangement of the skid-mounted structure, the occupied area is small, the installation engineering quantity is small, a special treatment site is not required to be additionally constructed, the pyrolysis gas treatment device is directly conveyed to the vicinity of the waste plastic pyrolysis processor, the pyrolysis gas is directly utilized and treated, the effective treatment of the waste plastic pyrolysis gas is realized, and the pyrolysis gas treatment system is installed together through the integral skid-mounted structure, so that the pyrolysis gas treatment device is convenient to install and detach, can be used at any time, and is repeatedly utilized, and has a good treatment effect.
Description
Technical Field
The utility model relates to the technical field of waste plastic pyrolysis gas, in particular to a skid-mounted waste plastic pyrolysis gas treatment device.
Background
Because of its excellent characteristics, such as light weight, low cost, convenient use, corrosion resistance, etc., it is widely used in packaging, agriculture, light industry, automobiles, etc. However, the plastic is easy to age and break, the service cycle is short, the natural decomposition cycle is long, and the wide application of the plastic brings convenience to the life of people, and simultaneously, a large amount of waste plastic is generated, so that serious pollution is caused to the environment and the ecological system.
In recent years, the technology for treating waste plastics has been paid attention to, and the technology can effectively recover fuel oil, combustible gas and solid fuel through conversion, realizes the maximum recovery of energy sources and the full recycling of waste plastics, and has higher economic benefit and environmental benefit. Pyrolysis refers to the thermal decomposition of waste plastics into small molecular compounds under the condition of no oxygen or oxygen deficiency, and comprises pyrolysis oil, pyrolysis gas and carbon powder; compared with direct incineration, the pyrolysis technology has little environmental pollution, and pyrolysis products can be recycled, so that the method is the most potential pyrolysis treatment method for waste plastics in the future.
At present, the waste plastic pyrolysis gas treatment has a problem that the pyrolysis gas is subjected to a corresponding treatment process, most waste plastic fields are used for treating waste plastic by intensively transporting the waste plastic to pyrolysis positions for pyrolysis and then intensively treating, but the waste plastic transportation process is labor-consuming and high in cost.
Disclosure of Invention
The utility model aims to provide a skid-mounted waste plastic pyrolysis gas treatment device, which aims to solve the technical problems of large occupied area, time and labor waste, high cost and the like in the waste plastic pyrolysis gas treatment process in the prior art.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model provides a sled dress formula waste plastic pyrolysis gas processing apparatus, includes sled dress casing, be provided with low temperature pyrolysis gas air intake and high temperature pyrolysis gas air intake on the lateral wall of sled dress casing, be provided with the air outlet after the exhaust-gas treatment on the top lateral wall of sled dress casing, the inside integration of sled dress casing is provided with the circulating pump, the alkaline wash tower, the washing tower, the lye storage tank, the water pitcher, the vacuum blowback cooling tank, the vacuum pump, venturi sprayer, gas-liquid separation jar and waste water jar, let in low temperature pyrolysis gas in the gas-liquid separation jar and utilize venturi sprayer forms vacuum and discharges noncondensable gas again, gas-liquid separation jar still with waste water jar links to each other, let in low temperature pyrolysis gas in the alkaline wash tower, and link to each other with lye storage tank, circulating pump, waste water jar and washing tower still link to each other with the water pitcher, waste water jar and vacuum blowback cooling tank still link to each other with the vacuum pump.
Preferably, the gas-liquid separation tank is provided with a left side connection port, an upper connection port and a lower connection port, the low-temperature pyrolysis gas is introduced from the left side connection port, the uncondensed gas is discharged from the upper connection port, and the lower connection port is connected to the wastewater tank.
Preferably, the upper connection port and the lower connection port are symmetrically arranged.
Preferably, the above-mentioned caustic wash tower is provided with left side connector, right side connector, goes up connector and lower connector, high temperature pyrolysis gas gets into from left side connector, right side connector with the alkali lye storage tank is connected, go up the connector with the water wash tower is connected, lower connector with the circulating pump is connected to in returning alkali lye caustic wash tower.
Preferably, the upper connection port and the lower connection port are symmetrically arranged, and the right connection port is located above the left connection port.
Preferably, the water washing tower is provided with a left side connection port, two right side connection ports, an upper connection port and a lower connection port, wherein the left side connection port is connected with the alkaline washing tower, one right side connection port is connected with the water tank, the other right side connection port and the upper connection port are both connected with the vacuum back-flushing cooling tank, and the lower connection port is connected with the wastewater tank.
Preferably, the upper connection port and the lower connection port are symmetrically arranged, and the left connection port is located at a middle position of the two right connection ports.
Preferably, the vacuum backwash cooling tank is provided with a left side connection port, an upper connection port and a lower connection port, both the left side connection port and the lower connection port are connected with the water scrubber, and the upper connection port is connected with the vacuum pump.
Preferably, the upper connection port and the lower connection port are symmetrically arranged.
The utility model has the following beneficial effects: according to the utility model, the pyrolysis gas treatment device is integrated in the skid-mounted shell through the arrangement of the skid-mounted structure, the occupied area is small, the installation engineering quantity is small, a special treatment site is not required to be additionally constructed, the pyrolysis gas treatment device is directly conveyed to the vicinity of the waste plastic pyrolysis processor, the pyrolysis gas is directly utilized and treated, the effective treatment of the waste plastic pyrolysis gas is realized, and the pyrolysis gas treatment system is installed together through the integral skid-mounted structure, so that the pyrolysis gas treatment device is convenient to install and detach, can be used at any time, and is repeatedly utilized, and has a good treatment effect.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the skid-mounted waste plastic pyrolysis gas treatment device comprises a skid-mounted shell 14, a low-temperature pyrolysis gas inlet 11 and a low-temperature pyrolysis gas inlet 12 are formed in one side wall of the skid-mounted shell 14, an exhaust gas treated air outlet 13 is formed in the top side wall of the skid-mounted shell 14, a circulating pump 1, an alkaline washing tower 2, a water washing tower 3, an alkali liquor storage tank 4, a water tank 5, a vacuum backwash cooling tank 6, a vacuum pump 7, a venturi ejector 8, a gas-liquid separation tank 9 and a waste water tank 10, the gas-liquid separation tank 9 is filled with low-temperature pyrolysis gas and forms vacuum by the venturi ejector 8 and then discharges uncondensed gas, the gas-liquid separation tank 9 is further connected with the waste water tank 10, the alkaline washing tower 2 is filled with high-temperature pyrolysis gas and is respectively connected with the alkali liquor storage tank 4, the circulating pump 1, the waste water tank 10 and the water washing tower 3 are further connected with the water tank 5, the waste water tank 10 and the vacuum backwash cooling tank 6, and the vacuum backwash cooling tank 6 are further connected with the vacuum pump 7.
Further, the gas-liquid separation tank 9 is provided with a left side connection port 9-1, an upper connection port 9-2 and a lower connection port 9-3, the low-temperature pyrolysis gas is introduced from the left side connection port 9-1, the uncondensed gas is discharged from the upper connection port 9-2, the lower connection port 9-3 is connected with the wastewater tank 10, and the upper connection port 9-2 and the lower connection port 9-3 are symmetrically arranged with each other.
The low-temperature pyrolysis gas generated by pyrolysis of a waste plastic factory enters a gas-liquid separation tank 9 with a cooling coil from a left connecting port 9-1, then gas-liquid separation is carried out, water vapor is cooled down and discharged into a waste water tank 10 from a lower connecting port 9-3, uncondensed gas is discharged into a venturi ejector 8 from an upper connecting port 9-2, and vacuum pumping of the uncondensed gas is produced by the venturi ejector.
Further, the caustic wash tower 2 is provided with a left side connection port 2-1, a right side connection port 2-2, an upper connection port 2-4 and a lower connection port 2-3, pyrolysis gas enters from the left side connection port 2-1, the right side connection port 2-2 is connected with the lye storage tank 4, the upper connection port 2-4 is connected with the water wash tower 3, the lower connection port 2-3 is connected with the circulating pump 1 and returns lye into the caustic wash tower 2, the upper connection port 2-4 and the lower connection port 2-3 are symmetrically arranged with each other, and the right side connection port 2-2 is positioned above the left side connection port 2-1.
Chlorine-containing pyrolysis gas generated by pyrolysis of waste plastics plants enters the alkaline washing tower 2 from the left connecting port 2-1, sodium hydroxide solution in the alkaline solution storage tank 4 enters from the right connecting port 2-2, chlorine-containing waste gas in the pyrolysis gas is neutralized and removed, the neutralized solution is pumped back into the alkaline washing tower 2 through the circulating pump 1 again until PH reaches a value detected by the PH meter, the control valve is opened to discharge waste liquid in the alkaline washing tower from 2-3 to the waste water tank 10 through the circulating pump 1, and sodium hydroxide solution in the alkaline solution storage tank 4 enters from the right connecting port 2-2.
Further, the water scrubber 3 is provided with a left side connection port 3-1, two right side connection ports 3-2 and 3-5, an upper connection port 3-4 and a lower connection port 3-3, the left side connection port 3-1 is connected with the alkaline scrubber 2, one right side connection port 3-2 is connected with the water tank 5, the other right side connection port 3-5 and the upper connection port 3-4 are both connected with the vacuum backwash cooling tank 6, the lower connection port 3-3 is connected with the wastewater tank 10, the upper connection port 3-4 and the lower connection port 3-3 are symmetrically arranged with each other, the left side connection port 3-1 is positioned at the middle position of the two right side connection ports 3-2 and 3-5, the vacuum backwash cooling tank 6 is provided with a left side connection port 6-1, the upper connection port 6-2 and the lower connection port 6-3, the left side connection port 6-1 and the lower connection port 6-3 are both connected with the water scrubber 3, the upper connection port 6-2 is connected with the vacuum pump 7, and the upper connection port 6-2 and the lower connection port 6-3 are symmetrically arranged with each other.
After chlorine-containing pyrolysis gas is washed off by the alkaline washing tower 2 and chlorine-containing waste gas enters the washing tower 3 from a left connecting port 3-1 on the washing tower 3, deionized water in a water tank 7 enters the washing tower 3 from a right connecting port 3-2, washing waste gas and waste water are discharged into a waste water tank 10 from a lower connecting port 3-3, the washed gas enters a vacuum back flushing cooling tank 6 with a coil pipe from an upper connecting port 3-4 of the washing tower 3 for cooling, cooled liquid is discharged into a right connecting port 3-5 on the washing tower 3 from a lower connecting port 6-3 on the vacuum back flushing cooling tank 6, finally, uncondensed gas is discharged into the waste water tank 10 from the lower connecting port 3-3 of the washing tower 3, and the uncondensed gas is discharged from the upper connecting port 6-2 on the vacuum back flushing cooling tank 6 by a vacuum pump 7 and is mixed with gas sprayed by a Venturi ejector 8 for use.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (9)
1. The utility model provides a sled dress formula waste plastic pyrolysis gas processing apparatus which characterized in that: the device comprises a skid-mounted shell, a low-temperature pyrolysis gas air inlet and a high-temperature pyrolysis gas air inlet are formed in one side wall of the skid-mounted shell, an air outlet after waste gas treatment is formed in the top side wall of the skid-mounted shell, a circulating pump, an alkaline washing tower, a water washing tower, an alkali liquor storage tank, a water tank, a vacuum back-flushing cooling tank, a vacuum pump, a venturi ejector, a gas-liquid separation tank and a waste water tank are integrally formed in the skid-mounted shell, low-temperature pyrolysis gas is introduced into the gas-liquid separation tank and utilized to form vacuum, non-condensed gas is discharged from the venturi ejector, the gas-liquid separation tank is further connected with the waste water tank, high-temperature pyrolysis gas is introduced into the alkaline washing tower and is further connected with the water tank, the waste water tank and the vacuum back-flushing cooling tank respectively, and the vacuum back-flushing cooling tank is further connected with the vacuum pump.
2. The skid-mounted waste plastic pyrolysis gas treatment device according to claim 1, wherein: the gas-liquid separation tank is provided with a left side connector, an upper connector and a lower connector, the low-temperature pyrolysis gas enters from the left side connector, the uncondensed gas is discharged into the Venturi ejector from the upper connector, and the lower connector is connected with the wastewater tank.
3. The skid-mounted waste plastic pyrolysis gas treatment device according to claim 2, wherein: the upper connecting port and the lower connecting port are symmetrically arranged.
4. The skid-mounted waste plastic pyrolysis gas treatment device according to claim 1, wherein: the alkaline tower is provided with a left side connector, a right side connector, an upper connector and a lower connector, the high-temperature pyrolysis gas enters from the left side connector, the right side connector is connected with the alkali liquid storage tank, the upper connector is connected with the water tower, the lower connector is connected with the circulating pump, and the alkali liquid is pumped back into the alkaline tower.
5. The skid-mounted waste plastic pyrolysis gas treatment device according to claim 4, wherein: the upper connecting port and the lower connecting port are symmetrically arranged, and the right connecting port is positioned above the left connecting port.
6. The skid-mounted waste plastic pyrolysis gas treatment device according to claim 1, wherein: the washing tower is provided with a left side connector, two right side connectors, an upper connector and a lower connector, the left side connector is connected with the alkaline washing tower, one right side connector is connected with the water tank, the other right side connector and the upper connector are connected with the vacuum back-flushing cooling tank, and the lower connector is connected with the wastewater tank.
7. The skid-mounted waste plastic pyrolysis gas treatment device according to claim 6, wherein: the upper connecting ports and the lower connecting ports are symmetrically arranged, and the left connecting port is positioned at the middle position of the two right connecting ports.
8. The skid-mounted waste plastic pyrolysis gas treatment device according to claim 1, wherein: the vacuum back-flushing cooling tank is provided with a left side connector, an upper connector and a lower connector, the left side connector and the lower connector are both connected with the water scrubber, and the upper connector is connected with the vacuum pump.
9. The skid-mounted waste plastic pyrolysis gas treatment device according to claim 8, wherein: the upper connecting port and the lower connecting port are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320640229.6U CN219972211U (en) | 2023-03-22 | 2023-03-22 | Skid-mounted waste plastic pyrolysis gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320640229.6U CN219972211U (en) | 2023-03-22 | 2023-03-22 | Skid-mounted waste plastic pyrolysis gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219972211U true CN219972211U (en) | 2023-11-07 |
Family
ID=88588582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320640229.6U Active CN219972211U (en) | 2023-03-22 | 2023-03-22 | Skid-mounted waste plastic pyrolysis gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219972211U (en) |
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2023
- 2023-03-22 CN CN202320640229.6U patent/CN219972211U/en active Active
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