CN212262435U - Solid material pyrolysis gas recovery equipment - Google Patents
Solid material pyrolysis gas recovery equipment Download PDFInfo
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- CN212262435U CN212262435U CN202021134969.5U CN202021134969U CN212262435U CN 212262435 U CN212262435 U CN 212262435U CN 202021134969 U CN202021134969 U CN 202021134969U CN 212262435 U CN212262435 U CN 212262435U
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Abstract
The utility model discloses a solid material pyrolysis gas recovery plant belongs to solid material thermal cracking technical field. The recovery equipment comprises an oil gas pipeline, a condenser and a condensed oil conveying pipeline, wherein an oil gas inlet of the pyrolysis gas condenser is connected with the pyrolysis gas oil gas pipeline, an oil outlet of the pyrolysis gas condenser is connected with the pyrolysis gas condensed oil conveying pipeline, the recovery equipment also comprises an intermediate oil storage tank connected with an oil outlet end of the pyrolysis gas condensed oil conveying pipeline, and a vacuum pump connected with the intermediate oil storage tank of the pyrolysis gas; the pyrolysis gas condenser comprises a first condenser, a second condenser and a third condenser. The utility model discloses be applied to in the aspect of solid material pyrolysis gas recovery, solved current thermal cracking system because of can not realizing the abundant condensation of pyrolysis gas to cause a series of problems such as wasting of resources potential safety hazard even, have pyrolysis gas cooling rate height, oil yield height, oil of high quality, safety, efficient characteristics.
Description
Technical Field
The utility model belongs to the technical field of solid material thermal cracking, especially, relate to a solid material pyrolysis gas recovery plant.
Background
With the rapid development of economic society in China, the increasingly serious pollution of solid materials such as waste tires and waste plastics causes serious pressure and damage to the ecological environment in China, and the black pollution caused by the treatment of the solid materials such as the waste tires and the waste plastics is not slow. At present, the outward rotary pyrolysis mode is often adopted to carry out cracking treatment on solid materials such as waste tires, waste plastics, household garbage and the like. The thermal cracking treatment technology for solid materials is to heat and decompose the solid materials under the oxygen-poor or inert atmosphere, and to recover gas, oil, solid carbon, steel wires and some chemical products. The method not only realizes the treatment of the waste solid materials and reduces the environmental pressure brought by the waste solid materials, but also produces oil gas, carbon black and steel wires after cracking, which are good chemical raw materials and can be reused. Therefore, the separation of oil gas, carbon black and steel wires is of great significance.
Chinese patent CN107298983A discloses a novel continuous thermal cracking method for waste tires, which comprises a tire pretreatment unit, a vertical thermal cracking unit, an oil-gas cooling and recovering unit and a carbon black fine grinding unit. The tire rubber blocks after being crushed and pretreated are conveyed to a vertical cracking furnace through automatic feeding, and the rapid cracking and product separation of the tire rubber blocks are realized in the cracking furnace. And pumping pyrolysis gas generated by cracking to a condenser through a vacuum pump for condensation treatment to convert the pyrolysis gas into pyrolysis oil, and refluxing the rest gas to a combustion chamber of the cracking furnace for combustion. And conveying the cracked carbon black and steel wires to a discharging section by a conveying screw, and then carrying out separation operation. The process adopts tail gas circulation heating and composite negative pressure cracking, the equipment is stable and reliable in operation, no gas leaks, energy is saved, environment is protected, full-automatic production and monitoring can be realized in the whole production process, the labor intensity is greatly reduced, the production efficiency is improved, the cost is effectively reduced, and the principle of energy conservation and emission reduction is met.
However, the above patent only uses a single condenser to condense the pyrolysis gas, and cannot achieve sufficient condensation of the pyrolysis gas, thereby causing a series of problems such as resource waste and even potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The weak point that exists to prior art, the utility model aims to solve the main problem that overcomes current thermal cracking system because of can not realizing the abundant condensation of pyrolysis gas to cause a series of problems such as wasting of resources potential safety hazard even, provide one kind and have pyrolysis gas cooling rate height, oil yield height, oil of high quality, safety, efficient solid material pyrolysis gas recovery plant.
For solving the technical problem, the utility model discloses a technical scheme be:
the utility model provides a solid material pyrolysis gas recovery device, which comprises an oil gas pipeline, a condenser and a condensed oil conveying pipeline, wherein an oil gas inlet of the condenser is connected with the oil gas pipeline, an oil outlet of the condenser is connected with the condensed oil conveying pipeline, the solid material pyrolysis gas recovery device also comprises an intermediate oil storage tank connected with an oil outlet end of the condensed oil conveying pipeline, and a vacuum pump connected with the intermediate oil storage tank; the condenser comprises a first condenser, a second condenser and a third condenser; the lower end of the first condenser is provided with a first oil-gas outlet, the upper end of the second condenser is provided with a second oil-gas inlet, and the first oil-gas outlet is connected with the second oil-gas inlet through a first oil-gas connecting pipeline; the second condenser lower extreme is equipped with the second oil gas export, the third condenser upper end is equipped with the third oil gas import, the second oil gas export with the third oil gas import links to each other through second oil gas connecting tube.
Preferably, an oil seal is arranged on the condensed oil conveying pipeline, and a sewage discharge valve is arranged at the bottom of the oil seal.
Preferably, the top of the middle oil storage tank is connected with a gas-liquid separation tank, and the gas-liquid separation tank is connected with the vacuum pump through an air exhaust pipeline.
Preferably, the device further comprises a water-sealed tank connected with the air outlet of the vacuum pump, the vacuum pump is connected with the water-sealed tank through an air outlet pipeline, and the air outlet of the air outlet pipeline is located in the middle of the water level of the water-sealed tank.
Preferably, the vacuum pump comprises 2 vacuum pumps connected in parallel.
Preferably, pressure sensors are arranged on the oil-gas pipeline, the condensed oil conveying pipeline, the intermediate oil storage tank, the gas-liquid separation tank, the air extraction pipeline, the air outlet pipeline and the water seal tank; and temperature sensors are arranged on the oil gas pipeline and the condensed oil conveying pipeline.
Preferably, valves are arranged on the condenser oil gas inlet, the condenser oil outlet, the intermediate oil storage tank oil inlet, the intermediate oil storage tank oil outlet, the gas-liquid separation tank gas inlet, the gas-liquid separation tank gas outlet, the air exhaust pipeline and the air outlet pipeline.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model provides a solid material pyrolysis gas recovery device, which has the characteristics of high pyrolysis gas cooling rate, high oil yield and good oil quality;
2. the utility model provides a solid material pyrolysis gas recovery device, which has the characteristics of safety and high efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a solid material pyrolysis gas recovery device provided by an embodiment of the present invention;
in the above figures: 1. an oil and gas pipeline; 21. a first condenser; 211. a first oil gas outlet; 22. a second condenser; 221. a second oil gas inlet; 222. a second oil gas outlet; 23. a third condenser; 231. A third oil gas inlet; 24. a first oil and gas connection pipeline; 25. a second oil and gas connecting pipeline; 3. a condensed oil delivery line; 4. an intermediate oil storage tank; 5. a vacuum pump; 6. oil sealing; 61. a blowdown valve; 7. a gas-liquid separation tank; 8. an air extraction pipeline; 9. sealing the tank with water; 10. an air outlet pipe; 11. a pressure sensor; 12. A temperature sensor; 13. and (4) a valve.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be understood that the terms "upper", "lower", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, 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 therefore should not be construed as limiting the present invention.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally 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 in specific cases to those skilled in the art.
Example (b): as shown in fig. 1, the embodiment exemplifies a solid material pyrolysis gas recovery device, which comprises an oil gas pipeline 1, a condenser and a condensed oil conveying pipeline 3, wherein an oil gas inlet of the condenser is connected with the oil gas pipeline 1, an oil outlet of the condenser is connected with the condensed oil conveying pipeline 3, the solid material pyrolysis gas recovery device further comprises an intermediate oil storage tank 4 connected with an oil outlet end of the condensed oil conveying pipeline 3, and a vacuum pump 5 connected with the intermediate oil storage tank 4; the condenser includes a first condenser 21, a second condenser 22, and a third condenser 23; the lower end of the first condenser 21 is provided with a first oil-gas outlet 211, the upper end of the second condenser 22 is provided with a second oil-gas inlet 221, and the first oil-gas outlet 211 is connected with the second oil-gas inlet 221 through a first oil-gas connecting pipeline 24; the lower end of the second condenser 22 is provided with a second oil gas outlet 222, the upper end of the third condenser 23 is provided with a third oil gas inlet 231, and the second oil gas outlet 222 is connected with the third oil gas inlet 231 through a second oil gas connecting pipeline 25. The recovery equipment is provided with a plurality of condensers, wherein oil gas which is not condensed in the first condenser 21 enters the second condenser 22 through the first oil gas connecting pipeline 24 to be condensed continuously, and oil gas which is not condensed in the second condenser 22 enters the third condenser 23 through the second oil gas connecting pipeline 25 to be condensed continuously, so that the complete condensation of pyrolysis gas is realized, and the cooling rate of the pyrolysis gas and the yield of oil are improved; in addition, by arranging the vacuum pump 5, the recovery system is in a negative pressure state, the oil quality is favorably improved, meanwhile, the high-temperature pyrolysis gas leakage caused by positive pressure is prevented, and the safety is high. Furthermore, in order to observe the oil outlet condition of the condensed oil of the condenser, an oil outlet sight glass is arranged below the condenser.
In order to prevent uncooled oil gas from directly entering the intermediate oil storage tank 4, an oil seal 6 is arranged on the condensed oil conveying pipeline 3, and a drain valve 61 is arranged at the bottom of the oil seal 6.
In order to further improve the quality of oil products, the top of the intermediate oil storage tank 4 is connected with a gas-liquid separation tank 7, and the gas-liquid separation tank 7 is connected with a vacuum pump 5 through an air exhaust pipeline 8. The gas-liquid separation jar 7 is set up on middle oil storage tank 4 to this embodiment, can separate the impurity in the noncondensable gas on the one hand, and on the other hand draws the gas composition that does not contain the light component in making the oil through vacuum pump 5 suction negative pressure, makes the storage of oil safer, the oil quality is higher.
In order to improve the safety, the device also comprises a water-sealed tank 9 connected with the air outlet of the vacuum pump 5, the vacuum pump 5 is connected with the water-sealed tank 9 through an air outlet pipeline 10, and the air outlet of the air outlet pipeline 10 is positioned in the middle of the water level of the water-sealed tank 9. Through setting up water-sealed tank 9, make gaseous scurrying out behind the water, make whole recovery plant keep apart with the outside air to avoided making outside air get into the thermal cracking system because of the operation carelessly, guaranteed the production safety of whole thermal cracking system, avoided the incident because of the artificial reason causes. Further, a water-sealed tank liquid level meter for observing the water level is also arranged on the water-sealed tank 9.
In order to ensure continuous and stable operation of the recovery process, the vacuum pump 5 includes 2 vacuum pumps 5 connected in parallel. The 2 parallel vacuum pumps 5 avoid production interruption caused by the damage of the vacuum pumps 5, and ensure the continuous and stable operation of the recovery process.
In order to facilitate the detection of temperature and pressure, pressure sensors 11 are arranged on the oil-gas pipeline 1, the condensed oil conveying pipeline 3, the intermediate oil storage tank 4, the gas-liquid separation tank 7, the air extraction pipeline 8, the air outlet pipeline 10 and the water seal tank 9; and temperature sensors 12 are arranged on the oil gas pipeline 1 and the condensed oil conveying pipeline 3.
Further, valves 13 are arranged on the condenser oil gas inlet, the condenser oil outlet, the oil inlet of the intermediate oil storage tank 4, the oil outlet of the intermediate oil storage tank 4, the air inlet of the gas-liquid separation tank 7, the air outlet of the gas-liquid separation tank 7, the air exhaust pipeline 8 and the air outlet pipeline 10.
The method for recovering the pyrolysis gas of the solid material recovered by the recovery device recited in any one of the above embodiments, the recovery method comprising the steps of:
the high-temperature pyrolysis gas enters the condenser for condensation through the oil-gas pipeline 1, wherein the oil gas which is not condensed in the first condenser 21 enters the second condenser 22 through the first oil-gas connecting pipeline 24 for continuous condensation, the oil gas which is not condensed in the second condenser 22 enters the third condenser 23 through the second oil-gas connecting pipeline 25 for continuous condensation, and the condensed oil obtained by condensation is conveyed to the intermediate oil storage tank 4 through the condensed oil conveying pipeline 3.
Claims (7)
1. Solid material pyrolysis gas recovery plant, including oil gas pipeline (1), condenser and condensate oil pipeline (3), the condenser oil gas import with oil gas pipeline (1) links to each other, the condenser oil-out with condensate oil pipeline (3) link to each other, its characterized in that: the system also comprises an intermediate oil storage tank (4) connected with the oil outlet end of the condensed oil conveying pipeline (3) and a vacuum pump (5) connected with the intermediate oil storage tank (4);
the condenser comprises a first condenser (21), a second condenser (22), and a third condenser (23);
a first oil gas outlet (211) is formed in the lower end of the first condenser (21), a second oil gas inlet (221) is formed in the upper end of the second condenser (22), and the first oil gas outlet (211) is connected with the second oil gas inlet (221) through a first oil gas connecting pipeline (24); the lower end of the second condenser (22) is provided with a second oil gas outlet (222), the upper end of the third condenser (23) is provided with a third oil gas inlet (231), and the second oil gas outlet (222) is connected with the third oil gas inlet (231) through a second oil gas connecting pipeline (25).
2. The recycling apparatus according to claim 1, characterized in that: an oil seal (6) is arranged on the condensed oil conveying pipeline (3), and a sewage discharge valve (61) is arranged at the bottom of the oil seal (6).
3. The recycling apparatus according to claim 1, characterized in that: the top of the intermediate oil storage tank (4) is connected with a gas-liquid separation tank (7), and the gas-liquid separation tank (7) is connected with the vacuum pump (5) through an air exhaust pipeline (8).
4. The recycling apparatus according to claim 3, characterized in that: still include with water seal tank (9) that vacuum pump (5) gas outlet links to each other, vacuum pump (5) with water seal tank (9) link to each other through pipeline (10) of giving vent to anger, pipeline (10) gas outlet of giving vent to anger is located water seal tank (9) water level middle part.
5. The recycling apparatus according to claim 1, characterized in that: the vacuum pump (5) comprises 2 vacuum pumps (5) connected in parallel.
6. The recycling apparatus according to claim 4, wherein: pressure sensors (11) are arranged on the oil-gas pipeline (1), the condensed oil conveying pipeline (3), the intermediate oil storage tank (4), the gas-liquid separation tank (7), the air extraction pipeline (8), the air outlet pipeline (10) and the water seal tank (9); and temperature sensors (12) are arranged on the oil gas pipeline (1) and the condensed oil conveying pipeline (3).
7. The recycling apparatus according to claim 4, wherein: the condenser oil gas inlet, the condenser oil outlet, the oil inlet of the intermediate oil storage tank (4), the oil outlet of the intermediate oil storage tank (4), the gas inlet of the gas-liquid separation tank (7), the gas outlet of the gas-liquid separation tank (7), the air exhaust pipeline (8) and the air exhaust pipeline (10) are all provided with valves (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021134969.5U CN212262435U (en) | 2020-06-18 | 2020-06-18 | Solid material pyrolysis gas recovery equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021134969.5U CN212262435U (en) | 2020-06-18 | 2020-06-18 | Solid material pyrolysis gas recovery equipment |
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| CN212262435U true CN212262435U (en) | 2021-01-01 |
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| CN202021134969.5U Active CN212262435U (en) | 2020-06-18 | 2020-06-18 | Solid material pyrolysis gas recovery equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569461A (en) * | 2020-06-18 | 2020-08-25 | 青岛轮云设计研究院有限责任公司 | Solid material pyrolysis gas recovery equipment and recovery method |
| CN114470848A (en) * | 2022-01-24 | 2022-05-13 | 广东申菱环境系统股份有限公司 | Condensed oil gas recovery system and defrosting method |
-
2020
- 2020-06-18 CN CN202021134969.5U patent/CN212262435U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569461A (en) * | 2020-06-18 | 2020-08-25 | 青岛轮云设计研究院有限责任公司 | Solid material pyrolysis gas recovery equipment and recovery method |
| CN114470848A (en) * | 2022-01-24 | 2022-05-13 | 广东申菱环境系统股份有限公司 | Condensed oil gas recovery system and defrosting method |
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