CN110152339A - A kind of petroleum vapor recovery condensing unit and its application method - Google Patents

A kind of petroleum vapor recovery condensing unit and its application method Download PDF

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Publication number
CN110152339A
CN110152339A CN201910490291.XA CN201910490291A CN110152339A CN 110152339 A CN110152339 A CN 110152339A CN 201910490291 A CN201910490291 A CN 201910490291A CN 110152339 A CN110152339 A CN 110152339A
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CN
China
Prior art keywords
storage tank
ball valve
pneumatic ball
oil
oil storage
Prior art date
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Pending
Application number
CN201910490291.XA
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Chinese (zh)
Inventor
王兆利
刘海
朱胜楠
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JIANGSU AEROSPACE HEWLETT ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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JIANGSU AEROSPACE HEWLETT ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Priority to CN201910490291.XA priority Critical patent/CN110152339A/en
Publication of CN110152339A publication Critical patent/CN110152339A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0033Other features
    • B01D5/0054General arrangements, e.g. flow sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/002Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention discloses a kind of petroleum vapor recovery condensing unit and its application methods, including explosion-proof centrifugal blower, ice chest, refrigeration unit, oil storage tank, temporary storage tank, nitrogen pipeline, lime set feed-line, far transmission level meter, oil storage tank pneumatic ball valve, nitrogen tube pneumatic ball valve, delivery pipe pneumatic ball valve, pipe electromagnetic valve and exhaust outlet, the explosion-proof centrifugal blower is connected with ice chest, it is connected at the top of the ice chest with exhaust outlet, ice chest side is connected with refrigeration unit, ice chest bottom is connected with the top of oil storage tank, the far transmission level meter is located at oil storage tank side, the oil storage pot bottom is connected by oil storage tank pneumatic ball valve with the top of temporary storage tank, nitrogen tube pneumatic ball valve and pipe electromagnetic valve are additionally provided at the top of the temporary storage tank, pass through pneumatic conveying condensate liquid, effectively solve oil drain pump problem of cavitation in conventional flowsheet;Pass through temporary storage tank and isolation of system, it is ensured that nitrogen pressure does not influence system pressure balance;Reduction system moves equipment oil drain pump quantity, and can effectively improve oil extraction efficiency.

Description

A kind of petroleum vapor recovery condensing unit and its application method
Technical field
The invention belongs to the recycling of oil-containing exhaust gas and processing technology field more particularly to a kind of petroleum vapor recovery condensing unit and Its application method.
Background technique
Currently, petroleum vapor recovery traditional treatment method mainly has condensation method, film process, absorption method, absorption process etc..Wherein condense Method effect is the most intuitive, economic well-being of workers and staff highest, cooperates other process treatment effeciencies higher, especially the processing organic gas of high concentration Body.
But condensation method is generally normal pressure system, and collected lime set always exists drain problem, and conventional flowsheet passes through row Oil pump drain, considers equipment skid structure, the factors such as mounting height, net positive suction head of pump, and oil drain pump is and cold there are cavitation phenomenons Lime set temperature collected by solidifying method is lower, and temperature, which increases, when flowing through oil extraction pump intake is easy vaporization.
Summary of the invention
The technical issues of solution: the invention discloses a kind of petroleum vapor recovery condensing unit and its application methods, overcome existing There are cavitation phenomenons for oil drain pump in technology, and lime set temperature collected by condensation method is lower, and temperature increases when flowing through oil extraction pump intake It is easy the technical problems such as vaporization.
Technical solution: a kind of petroleum vapor recovery condensing unit, including explosion-proof centrifugal blower, ice chest, refrigeration unit, oil storage tank, Temporary storage tank, nitrogen pipeline, lime set feed-line, far transmission level meter, oil storage tank pneumatic ball valve, nitrogen tube pneumatic ball valve, delivery pipe Pneumatic ball valve, pipe electromagnetic valve and exhaust outlet, the explosion-proof centrifugal blower are connected with ice chest, the ice chest top and exhaust outlet phase Even, ice chest side is connected with refrigeration unit, and ice chest bottom is connected with the top of oil storage tank, and the far transmission level meter is located at oil storage tank Side, the oil storage pot bottom are connected by oil storage tank pneumatic ball valve with the top of temporary storage tank, are additionally provided at the top of the temporary storage tank Nitrogen tube pneumatic ball valve and pipe electromagnetic valve, the outlet of the oil storage tank pneumatic ball valve, the outlet of nitrogen tube pneumatic ball valve and pipe The import of road solenoid valve passes through pipeline respectively and is connected side by side with temporary storage tank top, the nitrogen pipeline and nitrogen tube pneumatic ball valve Import is connected, and the lime set feed-line is connected by delivery pipe pneumatic ball valve with temporary pot bottom.
A kind of optimal technical scheme as the application: the oil storage tank is horizontal tank, and tank deck sets three receiving ports, bottom One oil storage tank oil discharge outlet and an oil storage tank sewage draining exit, import and the oil storage tank oil discharge outlet phase of oil storage tank pneumatic ball valve are set Even.
A kind of optimal technical scheme as the application: the oil storage tank pneumatic ball valve is opened by far transmission level meter control It closes.
A kind of optimal technical scheme as the application: the temporary pot bottom is equipped with temporary storage tank sewage draining exit and temporary storage tank is arranged The import of hydraulic fluid port, the delivery pipe pneumatic ball valve is connected by pipeline with temporary storage tank oil discharge outlet.
A kind of optimal technical scheme as the application: set at the top of the temporary storage tank nitrogen inlet, gas-liquid equilibrium outlet and The outlet of temporary storage tank receiving port, the oil storage tank pneumatic ball valve is connected with temporary storage tank receiving port, the outlet of nitrogen tube pneumatic ball valve Be connected with nitrogen inlet, gas-liquid equilibrium outlet is connected with the import of pipe electromagnetic valve, the outlet of pipe electromagnetic valve and blower into Air port is connected.
A kind of optimal technical scheme as the application: the air inlet of the blower respectively with oil gas and pipe electromagnetic valve Outlet is connected.
A kind of optimal technical scheme as the application: the refrigeration unit uses three-stage blower.
A kind of optimal technical scheme as the application: the ice chest is by 5 DEG C of ice chests, -25 DEG C of ice chests and -75 DEG C of ice chests three A ice chest composition.
The application method of petroleum vapor recovery condensing unit, includes the following steps:
Freeze step 1: opening refrigeration unit to ice chest, oil gas is sent into ice chest by explosion-proof centrifugal blower, and oil gas is condensed through ice chest It is discharged afterwards by exhaust outlet, the grease condensed out is transported in oil storage tank;
Step 2: controlling the opening and closing of oil storage tank pneumatic ball valve, storage of the oil from oil storage pot bottom by the far transmission level meter on oil storage tank Oil tank oil discharge outlet is discharged into temporary storage tank, and sewage is discharged from the oil storage tank sewage draining exit of oil storage pot bottom;
Step 3: the nitrogen in nitrogen pipeline controls nitrogen by nitrogen tube pneumatic ball valve and is transported in temporary storage tank, in temporary storage tank Oil body be discharged by keeping in the oil discharge outlet of pot bottom, and be discharged into lime set feed-line by delivery pipe pneumatic ball valve, nitrogen After pipe pneumatic ball valve and delivery pipe pneumatic ball valve are closed, the gas in temporary storage tank controlled by pipe electromagnetic valve be discharged into blower into Air port.
The utility model has the advantages that
Herein described petroleum vapor recovery condensing unit and its application method compared with the prior art by using the above technical solution, have Following technical effect:
1. effectively solving oil drain pump problem of cavitation in conventional flowsheet by pneumatic conveying condensate liquid.
2. passing through temporary storage tank and isolation of system, it is ensured that nitrogen pressure does not influence system pressure balance.
3. the system of reduction moves equipment oil drain pump quantity, and can effectively improve oil extraction efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of petroleum vapor recovery condensing unit.
Description of symbols: 1, explosion-proof centrifugal blower, 2, ice chest, 3, refrigeration unit, 4, oil storage tank, 5, temporary storage tank, 6, nitrogen Gas pipeline, 7, lime set feed-line, 8, far transmission level meter, 9, oil storage tank pneumatic ball valve, 10, nitrogen tube pneumatic ball valve, 11, conveying Pipe pneumatic ball valve, 12, pipe electromagnetic valve, 13, exhaust outlet.
Specific embodiment
The following examples can make those skilled in the art that the present invention be more fully understood, but not limit this in any way Invention.
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment 1:
As shown in Figure 1, petroleum vapor recovery condensing unit, including it is explosion-proof centrifugal blower 1, ice chest 2, refrigeration unit 3, oil storage tank 4, temporary Tank 5, nitrogen pipeline 6, lime set feed-line 7, far transmission level meter 8, oil storage tank pneumatic ball valve 9, nitrogen tube pneumatic ball valve 10, conveying Pipe pneumatic ball valve 11, pipe electromagnetic valve 12 and exhaust outlet 13, the explosion-proof centrifugal blower 1 are connected with ice chest 2, and the ice chest 2 pushes up Portion is connected with exhaust outlet 13, and 2 side of ice chest is connected with refrigeration unit 3, and 2 bottom of ice chest is connected with the top of oil storage tank 4, described remote It passes liquidometer 8 and is located at 4 side of oil storage tank, 4 bottom of oil storage tank passes through the top phase of oil storage tank pneumatic ball valve 9 and temporary storage tank 5 Even, it is additionally provided with nitrogen tube pneumatic ball valve 10 and pipe electromagnetic valve 12 at the top of the temporary storage tank 5, the oil storage tank pneumatic ball valve 9 Outlet, the outlet of nitrogen tube pneumatic ball valve 10 and the import of pipe electromagnetic valve 12 pass through pipeline side by side and at the top of temporary storage tank 5 respectively It is connected, the nitrogen pipeline 6 is connected with the import of nitrogen tube pneumatic ball valve 10, and the lime set feed-line 7 passes through delivery pipe gas Dynamic ball valve 11 is connected with 5 bottom of temporary storage tank;Refrigeration unit 3 use three-stage blower, ice chest 2 by 5 DEG C of ice chests, -25 DEG C of ice chests and - 75 DEG C of ice chests, three ice chest compositions.
Petroleum vapor recovery condensing unit application method is to freeze step 1: opening refrigeration unit 3 to ice chest 2, oil gas is by explosion-proof Centrifugal blower 1 is sent into ice chest, and oil gas is discharged after the condensation of ice chest 2 by exhaust outlet 13, and the grease condensed out is transported to storage In oil tank 4;
It is opened and closed step 2: controlling oil storage tank pneumatic ball valve 9 by the far transmission level meter 8 on oil storage tank 4, it is oily from 4 bottom of oil storage tank Oil storage tank oil discharge outlet be discharged into temporary storage tank 5, sewage from the oil storage tank sewage draining exit of 4 bottom of oil storage tank be discharged;
Step 3: the nitrogen in nitrogen pipeline 6 controls nitrogen by nitrogen tube pneumatic ball valve 10 and is transported in temporary storage tank 5, keep in Oil body in tank 5 is discharged by the oil discharge outlet of 5 bottom of temporary storage tank, and is discharged into lime set feed-line by delivery pipe pneumatic ball valve 11 In 7, after nitrogen tube pneumatic ball valve 10 and the closing of delivery pipe pneumatic ball valve 11, the gas in temporary storage tank (5) passes through pipe electromagnetic valve 12 controls are discharged into the air inlet of blower 1.
The oil storage tank 4 is horizontal tank, and tank deck sets three receiving ports, and an oil storage tank oil discharge outlet and a storage is arranged in bottom The import of oil tank sewage draining exit, oil storage tank pneumatic ball valve 9 is connected with oil storage tank oil discharge outlet;Oil storage tank pneumatic ball valve 9 passes through teletransmission liquid The 8 control opening and closing of position meter, after oil storage tank 4 collects the condensed lime set of ice chest 2, controls oil storage tank Pneumatic ball by far transmission level meter 8 Valve 9 is opened, and a high position is opened, and low level is closed, and oil product is flowed into temporary storage tank 5 certainly.
5 bottom of temporary storage tank is equipped with temporary storage tank sewage draining exit and temporary storage tank oil discharge outlet, the import of the delivery pipe pneumatic ball valve 11 It is connected by pipeline with temporary storage tank oil discharge outlet, nitrogen inlet, gas-liquid equilibrium outlet and temporary storage tank receiving port is set at the top of temporary storage tank 5, The outlet of the oil storage tank pneumatic ball valve 9 is connected with temporary storage tank receiving port, the outlet and nitrogen inlet of nitrogen tube pneumatic ball valve 10 It is connected, gas-liquid equilibrium outlet is connected with the import of pipe electromagnetic valve 12, the outlet of pipe electromagnetic valve 12 and the air inlet phase of blower 1 Even, oil storage tank pneumatic ball valve 9 is closed when liquid level reaches low level, opens simultaneously nitrogen tube pneumatic ball valve 10 and delivery pipe pneumatic ball valve 11, oil product is delivered to outside battery limit (BL).
The air inlet of blower 1 is connected with the outlet of oil gas and pipe electromagnetic valve 12 respectively, and gas-liquid equilibrium outlet is connected to wind Machine entrance is controlled by solenoid valve 12, and according to setting time, nitrogen tube pneumatic ball valve 10 and delivery pipe pneumatic ball valve 11 are closed Afterwards, opening conduits solenoid valve 12 is by the air inlet of pressure releasing in temporary storage tank 5 to blower 1, it is ensured that opens oil storage tank gas next time When dynamic ball valve 9, temporary storage tank 5 is normal pressure state.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure made by bright specification and attached drawing or equivalent function transformation are applied directly or indirectly in other relevant technology necks Domain is included within the scope of the present invention.

Claims (9)

1. a kind of petroleum vapor recovery condensing unit, it is characterised in that: including explosion-proof centrifugal blower (1), ice chest (2), refrigeration unit (3), oil storage tank (4), temporary storage tank (5), nitrogen pipeline (6), lime set feed-line (7), far transmission level meter (8), oil storage tank are pneumatic Ball valve (9), nitrogen tube pneumatic ball valve (10), delivery pipe pneumatic ball valve (11), pipe electromagnetic valve (12) and exhaust outlet (13), it is described Explosion-proof centrifugal blower (1) is connected with ice chest (2), is connected at the top of the ice chest (2) with exhaust outlet (13), ice chest (2) side and system Cold group (3) is connected, and ice chest (2) bottom is connected with the top of oil storage tank (4), and the far transmission level meter (8) is located at oil storage tank (4) Side, oil storage tank (4) bottom are connected by oil storage tank pneumatic ball valve (9) with the top of temporary storage tank (5), the temporary storage tank (5) top is additionally provided with nitrogen tube pneumatic ball valve (10) and pipe electromagnetic valve (12), the outlet of the oil storage tank pneumatic ball valve (9), The outlet of nitrogen tube pneumatic ball valve (10) and the import of pipe electromagnetic valve (12) pass through pipeline side by side and at the top of temporary storage tank (5) respectively It is connected, the nitrogen pipeline (6) is connected with the import of nitrogen tube pneumatic ball valve (10), and the lime set feed-line (7) passes through defeated Pipe pneumatic ball valve (11) is sent to be connected with temporary storage tank (5) bottom.
2. petroleum vapor recovery condensing unit according to claim 1, it is characterised in that: the oil storage tank (4) is horizontal tank, tank deck If three receiving ports, bottom is arranged an oil storage tank oil discharge outlet and an oil storage tank sewage draining exit, oil storage tank pneumatic ball valve (9) into Mouth is connected with oil storage tank oil discharge outlet.
3. petroleum vapor recovery condensing unit according to claim 1, it is characterised in that: the oil storage tank pneumatic ball valve (9) passes through Far transmission level meter (8) control opening and closing.
4. petroleum vapor recovery condensing unit according to claim 1, it is characterised in that: temporary storage tank (5) bottom is equipped with temporary The import of tank sewage draining exit and temporary storage tank oil discharge outlet, the delivery pipe pneumatic ball valve (11) passes through pipeline and temporary storage tank oil discharge outlet phase Even.
5. petroleum vapor recovery condensing unit according to claim 1, it is characterised in that: set at the top of the temporary storage tank (5) nitrogen into Mouth, gas-liquid equilibrium outlet and temporary storage tank receiving port, the outlet of the oil storage tank pneumatic ball valve (9) are connected with temporary storage tank receiving port, The outlet of nitrogen tube pneumatic ball valve (10) is connected with nitrogen inlet, the import phase of gas-liquid equilibrium outlet and pipe electromagnetic valve (12) Even, the outlet of pipe electromagnetic valve (12) is connected with the air inlet of blower (1).
6. petroleum vapor recovery condensing unit according to claim 5, it is characterised in that: the air inlet of the blower (1) respectively with Oil gas is connected with the outlet of pipe electromagnetic valve (12).
7. petroleum vapor recovery condensing unit according to claim 1, it is characterised in that: the refrigeration unit (3) uses three-level pressure Contracting machine.
8. petroleum vapor recovery condensing unit according to claim 1, it is characterised in that: the ice chest (2) is by 5 DEG C of ice chests, -25 DEG C Three ice chest compositions of ice chest and -75 DEG C of ice chests.
9. the application method of -8 any petroleum vapor recovery condensing units according to claim 1, it is characterised in that:
Freeze step 1: opening refrigeration unit (3) to ice chest (2), oil gas is sent into ice chest by explosion-proof centrifugal blower (1), oil gas It is discharged after ice chest (2) condensation by exhaust outlet (13), the grease condensed out is transported in oil storage tank (4);
Step 2: by far transmission level meter (8) control oil storage tank pneumatic ball valve (9) opening and closing on oil storage tank (4), it is oily from oil storage tank (4) the oil storage tank oil discharge outlet of bottom is discharged into temporary storage tank (5), and sewage is discharged from the oil storage tank sewage draining exit of oil storage tank (4) bottom;
Step 3: the nitrogen in nitrogen pipeline (6) controls nitrogen by nitrogen tube pneumatic ball valve (10) and is transported to temporary storage tank (5) Interior, the oil body in temporary storage tank (5) is discharged by the oil discharge outlet of temporary storage tank (5) bottom, and is arranged by delivery pipe pneumatic ball valve (11) Enter in lime set feed-line (7), after nitrogen tube pneumatic ball valve (10) and delivery pipe pneumatic ball valve (11) closing, in temporary storage tank (5) Gas the air inlet of blower (1) is discharged by pipe electromagnetic valve (12) control.
CN201910490291.XA 2019-06-06 2019-06-06 A kind of petroleum vapor recovery condensing unit and its application method Pending CN110152339A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114602204A (en) * 2022-01-18 2022-06-10 广东申菱环境系统股份有限公司 Automatic oil drainage system and oil drainage method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150494A (en) * 1977-08-29 1979-04-24 Airco, Inc. Methods and apparatus for recovering solvents
CN102161905A (en) * 2011-03-11 2011-08-24 南京都乐制冷设备有限公司 Oil gas recovering system
CN103272401A (en) * 2013-06-06 2013-09-04 南京工业大学 Membrane method condensation combination formula vapor recovery system
CN106310698A (en) * 2015-07-03 2017-01-11 江苏金门能源装备有限公司 Oil and gas recycling method
CN205903656U (en) * 2016-07-29 2017-01-25 泉州市天龙环境工程有限公司 Oil gas recovery device
CN108467743A (en) * 2018-06-01 2018-08-31 武汉轻工大学 A kind of petroleum vapor recovery lime set is collected and conveying device and its method
CN210251288U (en) * 2019-06-06 2020-04-07 江苏航天惠利特环保科技有限公司 Oil gas recovery condensing equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150494A (en) * 1977-08-29 1979-04-24 Airco, Inc. Methods and apparatus for recovering solvents
CN102161905A (en) * 2011-03-11 2011-08-24 南京都乐制冷设备有限公司 Oil gas recovering system
CN103272401A (en) * 2013-06-06 2013-09-04 南京工业大学 Membrane method condensation combination formula vapor recovery system
CN106310698A (en) * 2015-07-03 2017-01-11 江苏金门能源装备有限公司 Oil and gas recycling method
CN205903656U (en) * 2016-07-29 2017-01-25 泉州市天龙环境工程有限公司 Oil gas recovery device
CN108467743A (en) * 2018-06-01 2018-08-31 武汉轻工大学 A kind of petroleum vapor recovery lime set is collected and conveying device and its method
CN210251288U (en) * 2019-06-06 2020-04-07 江苏航天惠利特环保科技有限公司 Oil gas recovery condensing equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114602204A (en) * 2022-01-18 2022-06-10 广东申菱环境系统股份有限公司 Automatic oil drainage system and oil drainage method

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