CN211411053U - High-temperature oil gas condenser for pyrolysis of oily sludge - Google Patents
High-temperature oil gas condenser for pyrolysis of oily sludge Download PDFInfo
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- CN211411053U CN211411053U CN201922175461.3U CN201922175461U CN211411053U CN 211411053 U CN211411053 U CN 211411053U CN 201922175461 U CN201922175461 U CN 201922175461U CN 211411053 U CN211411053 U CN 211411053U
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Abstract
The utility model provides a high temperature oil gas condenser of oiliness mud pyrolysis, includes reactor main part, water sprays atomizer, aeration hole, cooling water pipeline and profit overflow pipe, characterized by: the reactor main part passes through the export of oil gas pipeline connection high temperature oil gas, sets up the water spray atomizer in the oil gas pipeline, and the inlet end of water spray atomizer is connected the inlet tube, advances water piping connection water tank, deposits the water that sprays in the water tank, and the exit end of oil gas pipeline stretches into the reactor main part internal, and the exit end of oil gas pipeline sets up the aeration hole. The utility model discloses combine the indirect cooling and the direct cooling of oil gas, exert respective advantage and avoid respective shortcoming, be difficult for blockking up, reduce secondary pollution, the oil gas waste heat can utilize. The reactor creates a multiphase turbulent atmosphere through aeration, has high heat and mass transfer efficiency, has a scouring self-cleaning function on the pipe wall of the immersed cooling water pipe, and is not easy to scale and block.
Description
Technical Field
The utility model relates to an environmental protection technology field specifically is a high temperature oil gas condenser of oiliness mud pyrolysis.
Background
The oily sludge comes from the crude oil exploitation process, oil sludge is generated due to the reasons of well drilling, operation, well repairing, oil extraction, gathering, storage and the like and the accident leakage of equipment pipelines, a large amount of oily waste residues are generated by inclined plate oil separation when the oily sewage is treated, and a large amount of tank bottom sludge settled in an oil extraction storage tank and the like. Taking an oil field as an example, the amount of oil sludge is about 100 tons per day, and the total amount accumulated in a month reaches more than 40 ten thousand tons per day. The existing treatment technology for oily sludge is mature, such as a three-phase separation method, a chemical hot washing method, a pyrolysis method, an incineration method, a biological method and the like. The pyrolysis method is a mature technology which is widely applied abroad at present, wherein the pyrolysis method is relatively thorough in oil sludge treatment, can recover oil resources, and is relatively high in both economic efficiency and technical performance. In the existing pyrolysis technology, oil and moisture in oil-containing sludge are heated and desorbed to be changed into high-temperature oil gas, the temperature is as high as about 500 ℃, a certain amount of dust is contained, and further condensation is usually needed to recover petroleum components in the oil gas.
The high-temperature oil gas condenser commonly used in the market at present mainly adopts two types of indirect shell-and-tube type and direct spraying type. For an indirect shell-and-tube condenser, cooling water and high-temperature oil gas exchange heat indirectly through tube walls, secondary discharge of sewage is avoided, but dust contained in the oil gas easily causes pipeline blockage, and once the blockage occurs, great burden and serious standard exceeding are brought to subsequent non-condensable gas tail gas treatment, and system shutdown is easily caused. For the direct spray condenser, cooling water directly contacts with high-temperature oil gas, the evaporative cooling efficiency is high, the dust removal function is realized, the advantage is remarkable, but the defect is that a large amount of sewage is discharged to cause secondary pollution, and the high-temperature heat of the oil gas cannot be reused.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned weak point to a high temperature oil gas condenser of oiliness mud pyrolysis has the condensation efficiency height, is difficult for blockking up, is convenient for retrieve the petroleum component and utilizes the oil gas waste heat, does not have advantages such as secondary pollution.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature oil gas condenser of oiliness mud pyrolysis, includes reactor main part, water sprays atomizer, aeration hole, cooling water pipeline and profit overflow pipe, characterized by: the reactor main part passes through the export of oil gas pipe connection high temperature oil gas, sets up the water spray atomizer in the oil gas pipeline, and the inlet tube is connected to the end of intaking of water spray atomizer, advances the water piping connection water tank, deposits the spraying water in the water tank, and in the exit end of oil gas pipeline stretched into the reactor main part, the exit end of oil gas pipeline set up the aeration hole, and the oil gas pipeline is located the middle part of reactor main part, reactor main part bottom was equipped with the discharge gate, and discharge gate department is equipped with the screw pump, the top of reactor main part sets up noncondensable gas pipeline, set up the cooling water pipeline in reactor main part upper portion the upper portion of reactor main part and the top that is located the cooling water pipeline are provided with the oil.
Furthermore, a water pump is arranged on the water inlet pipe.
Furthermore, a first valve is arranged on the non-condensable gas pipeline.
Furthermore, the inlet and the outlet of the cooling water pipeline are respectively a cooling water inlet and a cooling water return port.
Furthermore, a second valve is arranged on the oil overflow pipe.
Further, a third valve is arranged between the bottom of the reactor main body and the screw pump.
The utility model has the advantages that: the utility model has the advantages of condensation efficiency is high, is difficult for blockking up, is convenient for retrieve the oil component and utilizes the oil gas waste heat, does not have secondary pollution.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: the system comprises a water spray atomizer 1, an oil-gas pipeline 2, an aeration hole 3, a reactor body 4, a screw pump 5, a non-condensable gas pipeline 6, a cooling water pipeline 7, an oil-water overflow pipe 8, a water inlet pipe 9, a water tank 10, a water pump 11, a first valve 12, a second valve 13 and a third valve 14.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1: the utility model provides a high temperature oil gas condenser of oiliness mud pyrolysis, includes reactor main part 4, water sprays atomizer 1, aeration hole 3, cooling water pipeline 7 and profit overflow pipe 8, characterized by: reactor main part 4 passes through the export of oil gas pipeline 2 connection high temperature oil gas, sets up water spray atomizer 1 in oil gas pipeline 2, and inlet tube 9 is connected to water spray atomizer 1's the end of intaking, and water tank 10 is connected to inlet tube 9, deposits the water of spraying in the water tank 10, and in reactor main part 4 was stretched into to the exit end of oil gas pipeline 2, the exit end of oil gas pipeline 2 set up aeration hole 3, and oil gas pipeline 2 is located the middle part of reactor main part 4, 4 bottoms of reactor main part are equipped with the discharge gate, and discharge gate department is equipped with screw pump 5, the top of reactor main part 4 sets up noncondensable gas pipeline 6, set up cooling water pipeline 7 in 4 upper portions of reactor main part 4 and the top that is located cooling water pipeline 7 are provided with oil water overflow pipe 8.
The water inlet pipe 9 is provided with a water pump 11.
A first valve 12 is arranged on the non-condensable gas pipeline 6.
And the inlet and the outlet of the cooling water pipeline 7 are respectively a cooling water inlet and a cooling water return port.
A second valve 13 is arranged on the oil overflow pipe 8.
A third valve 14 is arranged between the bottom of the reactor main body 4 and the screw pump 5.
Reactor main part 4 is the main place of oil gas condensation, and inside is filled with multiple mixture such as water, oil, dirt, gas and buries the cooling water pipeline, makes heterogeneous turbulent motion atmosphere through the aeration, reaches high-efficient cooling of oil gas, dust effectively subsides, multiple purposes such as cooling water pipe wall is clean, unblock. The temperature of the liquid inside the reactor body 4 is preferably maintained between 50 ℃ and 80 ℃.
The water spray atomizer 1 is positioned at an inlet section of high-temperature oil gas and is used for spraying water to reduce the temperature of the oil gas from about 500 ℃ to about 120 ℃ instantly and reducing the volume of the oil gas at the same time.
The oil gas pipeline 2 is immersed below the liquid level and is provided with aeration holes.
The cooling water pipeline 7 is arranged below the liquid level and used for cooling the liquid in the reactor body 4, and the return water of the cooling water can be used for bathing, heating and the like.
An oil-water overflow pipe 8 is arranged at the top end of the liquid surface of the reactor main body 4 and is used for discharging oil-water mixture and recovering oil after further oil-water separation.
The screw pump 5 is positioned at the bottom of the reactor body 4 and is used for discharging settled bottom mud of dust in oil gas.
The part which is difficult to condense in the oil gas forms non-condensable gas, and the non-condensable gas is discharged through a non-condensable gas pipeline 6 at the upper part for subsequent treatment.
The utility model discloses a working process: the dust-containing high-temperature oil gas with the temperature of about 500 ℃ is firstly cooled to about 120 ℃ by the water spraying atomizer 1 in the oil gas pipeline 2, then enters the reactor main body 4 for water bath cooling, and is aerated through the aeration holes 3, so that a multiphase turbulent motion atmosphere filled with various mixtures such as water, oil, dust, gas and the like is created. The upper part of the reactor body 4 is provided with a cooling water line 7 for cooling the liquid inside the reactor and maintaining the temperature thereof between 50 ℃ and 80 ℃. An oil-water overflow pipe 8 is arranged at the top of the liquid surface in the reactor body 4 and is used for discharging oil-water mixture and recovering oil after further oil-water separation. The dust in the original oil gas is discharged by a screw pump 5 at the bottom of the reactor after settling inside the reactor body 4. The part which is difficult to condense in the oil gas forms non-condensable gas, and the non-condensable gas is discharged through a non-condensable gas pipeline 6 at the upper part for subsequent treatment.
The first embodiment is as follows:
the dust-containing high-temperature oil gas with the temperature of about 500 ℃ is firstly cooled to about 120 ℃ by water spraying in an oil gas pipeline, then enters a reactor main body for water bath cooling, and is aerated through aeration holes, so that a multiphase turbulent motion atmosphere filled with various mixtures such as water, oil, dust, gas and the like is created. The upper part of the reactor body 4 is provided with a cooling water line 7 for keeping the temperature of the liquid in the reactor body 4 at 50 to 80 ℃. An oil-water overflow pipe 8 is arranged at the top of the liquid surface in the reactor body 4 and is used for discharging oil-water mixture and recovering oil after further oil-water separation. Dust in the original oil gas is discharged by a screw pump 5 located at the bottom of the reactor body 4 after settling inside the reactor body 4. The part which is difficult to condense in the oil gas forms non-condensable gas, and the non-condensable gas is discharged through a non-condensable gas pipeline 6 at the upper part for subsequent treatment.
The condensation of oil gas successively goes through water spraying, water bathing, aeration and cooling water pipe type cooling. The water spray cooling utilizes the latent heat of evaporation of water, and can achieve the purpose of rapid cooling by using a small amount of water. The water bath process is the direct contact cooling of oil gas and liquid, and the effect of aeration creates a heterogeneous turbulent atmosphere filled with various mixtures such as water, oil, dust, gas and the like, and the efficiency of cooling and heat exchange is quite high. And the cooling water pipe type cooling is mainly used for recovering waste heat resources carried in oil gas and plays a role in maintaining the temperature of liquid in the reactor. The cooling water pipe is arranged in liquid in the reactor for water bath aeration, the liquid temperature is higher, the turbulent atmosphere is good, so that the pipe wall is not easy to stick oil and dust, and the collection and utilization of waste heat in the final stage of the cooling process are ensured.
The utility model provides a high temperature oil gas condenser of oiliness mud pyrolysis combines the indirect cooling and the direct cooling of oil gas organically, has brought into play respective advantage and has avoided respective shortcoming, and difficult jam reduces secondary pollution, and the oil gas waste heat can utilize. The reactor creates a multiphase turbulent atmosphere through aeration, has high heat and mass transfer efficiency, has a scouring self-cleaning function on the pipe wall of the immersed cooling water pipe, and is not easy to scale and block.
Claims (6)
1. The utility model provides a high temperature oil gas condenser of oiliness mud pyrolysis, includes reactor main part (4), water sprays atomizer (1), aeration hole (3), cooling water pipeline (7) and profit overflow pipe (8), characterized by: the reactor main body (4) is connected with an outlet of high-temperature oil gas through an oil gas pipeline (2), a water spray atomizer (1) is arranged in an oil gas pipeline (2), the water inlet end of the water spray atomizer (1) is connected with a water inlet pipe (9), the water inlet pipe (9) is connected with a water tank (10), spraying water is stored in the water tank (10), the outlet end of the oil gas pipeline (2) extends into a reactor main body (4), the outlet end of the oil gas pipeline (2) is provided with an aeration hole (3), the oil gas pipeline (2) is positioned in the middle of the reactor main body (4), a discharge hole is arranged at the bottom of the reactor main body (4), a screw pump (5) is arranged at the discharge hole, the top end of the reactor main body (4) is provided with a non-condensable gas pipeline (6), the upper part of the reactor main body (4) is provided with a cooling water pipeline (7), an oil-water overflow pipe (8) is provided above the cooling water pipe (7) and above the reactor body (4).
2. The high-temperature oil gas condenser for the pyrolysis of oil-containing sludge according to claim 1, which is characterized in that: and a water pump (11) is arranged on the water inlet pipe (9).
3. The high-temperature oil gas condenser for the pyrolysis of oil-containing sludge according to claim 1, which is characterized in that: and a first valve (12) is arranged on the non-condensable gas pipeline (6).
4. The high-temperature oil gas condenser for the pyrolysis of oil-containing sludge according to claim 1, which is characterized in that: and the inlet and the outlet of the cooling water pipeline (7) are respectively a cooling water inlet and a cooling water return port.
5. The high-temperature oil gas condenser for the pyrolysis of oil-containing sludge according to claim 1, which is characterized in that: and a second valve (13) is arranged on the oil-water overflow pipe (8).
6. The high-temperature oil gas condenser for the pyrolysis of oil-containing sludge according to claim 1, which is characterized in that: and a third valve (14) is arranged between the bottom of the reactor main body (4) and the screw pump (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922175461.3U CN211411053U (en) | 2019-12-08 | 2019-12-08 | High-temperature oil gas condenser for pyrolysis of oily sludge |
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| CN201922175461.3U CN211411053U (en) | 2019-12-08 | 2019-12-08 | High-temperature oil gas condenser for pyrolysis of oily sludge |
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| CN211411053U true CN211411053U (en) | 2020-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920831A (en) * | 2019-12-08 | 2021-06-08 | 和惠优尼环境科技（北京）有限公司 | High-temperature oil gas condenser for pyrolysis of oily sludge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920831A (en) * | 2019-12-08 | 2021-06-08 | 和惠优尼环境科技（北京）有限公司 | High-temperature oil gas condenser for pyrolysis of oily sludge |
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Effective date of registration: 20210118 Address after: 518000 room 402, building a16, silicon valley power automotive electronics Pioneer Park, 334 Guiyue Road, Dafu community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Uni Environmental Technology (Shenzhen) Co.,Ltd. Address before: Room d101a-79, B-2 / F, Dongsheng Science Park, Zhongguancun, 66 xixiaokou Road, Haidian District, Beijing Patentee before: HEHUI YOUNI ENVIRONMENTAL TECHNOLOGY (BEIJING) Co.,Ltd. |