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 PDFInfo
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- 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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- storage tank
- ball valve
- pneumatic ball
- oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0054—General arrangements, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/002—Separation 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
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.
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Cited By (1)
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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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 |
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2019
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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Publication number | Priority date | Publication date | Assignee | Title |
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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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