CN109174837A - Crude quality flowmeter on-line cleaning device - Google Patents
Crude quality flowmeter on-line cleaning device Download PDFInfo
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- CN109174837A CN109174837A CN201811101227.XA CN201811101227A CN109174837A CN 109174837 A CN109174837 A CN 109174837A CN 201811101227 A CN201811101227 A CN 201811101227A CN 109174837 A CN109174837 A CN 109174837A
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- cleaning
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- switch valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses crude quality flowmeter on-line cleaning devices.The device includes measurement portion, measurement portion includes measurement branch pipe, it measures and is equipped with mass flowmenter in branch pipe, cleaning part includes cleaning liquid pump and the cabinet for accommodating cleaning solution, and cleaning liquid pump provides the power of liquid flowing by shaft coupling direct connection driving motor, cleaning liquid pump, blowdown circuit emits the sump oil measured in circuit, scavenger circuit cleaning quality flowmeter, and measurement branch pipe is impregnated, sump oil and remaining cleaning fluid discharge return working connection.The present invention has the online timely cleaning of mass flowmenter, effectively prevention and elimination wax deposition phenomenon, and good cleaning quality, there is no the effects of irreducible oil exhaust emission.
Description
Technical field
The present invention relates to crude oil measurement technical fields, in particular to crude quality flowmeter on-line cleaning device.
Background technique
Mass flowmenter has many advantages, such as that measurement range is big, accuracy is high, stability is good, is convenient for arrangement and installation, wide
It is general to be applied to during crude oil measurement.In mass flowmenter During Process of Long-term Operation, due to by the wax and colloid in crude oil
Composition influence wax deposition phenomenon can occurs in the measurement inside pipe wall of mass flowmenter, influence the metering accuracy of mass flowmenter.
In the conventional technology, by the wax and gum components that are adhered on cleaning quality flow measurement buret inner wall, Chang Cai
It is disassembled from pipeline with by mass flowmenter, is put into diesel oil, carries out long-time heating immersion process in white oil equal solvent, or
It is using Low Temperature Steam long-time blowing method.There are maintenance periods long, at high cost, easy damaged mass flowmenter to ask for the former
Topic, the latter there is a problem of being difficult to handle clean.Both methods it is all different degrees of there are environmental issues.
Summary of the invention
One or more to solve the above-mentioned problems, the present invention provides crude quality flowmeter on-line cleaning devices.
According to an aspect of the present invention, the crude quality flowmeter on-line cleaning device include measurement portion, cleaning part with
And row zero,
Measurement portion includes measurement branch pipe, and measurement branch pipe both ends are connected to main oil pipe, measure and be equipped with mass flowmenter in branch pipe, survey
Amount branch pipe left end is successively arranged the first plug valve, the first main switching valve, and measurement branch pipe right end is successively arranged the second main switching valve, row
Air valve and the second plug valve, the first main switching valve is connected to the first cleaning switch valve by three-way connection and first row zero switchs
Valve,
Cleaning part includes cleaning liquid pump and the cabinet for accommodating cleaning solution,
Cabinet lower surface is equipped with first port and upper surface is equipped with second port, and first port is connected to the first box body switch
Valve, second port are connected to the second box body switch valve, and the second box body switch valve is connected to the 4th branch pipe, and the 4th branch pipe other end passes through three
Pass joint is connected to the second main switching valve and exhaust valve,
Liquid pump is cleaned by shaft coupling direct connection driving motor, cleaning liquid pump provides the power of liquid flowing, cleans liquid pump packet
Inlet and liquid outlet are included, inlet is connected to filter, and filter connects the first box body switch valve by the first branch pipe, out liquid
Mouthful connection check-valves, check-valves are connected to second branch pipe one end, the second branch pipe by three-way connection be respectively communicated with third branch pipe and
Sewage pipe, the third branch pipe other end are connected to the second cleaning switch valve, and the second cleaning switch valve is opened by the cleaning of pipeline connection first
Valve is closed, the sewage pipe other end is connected to blowdown valve, and blowdown valve, the second cleaning switch valve also pass through pipeline connection main oil pipe,
Row zero includes zero pipe of row, and zero pipe one end of row is connected to the first branch pipe and the other end is connected to zero switch valve of second row, the
Two rows, zero switch valve is connected to zero switch valve of first row by pipeline.
The crude quality flowmeter on-line cleaning device realizes pipeline condensate drain and on-line cleaning process,
Firstly, pipeline is through blowdown oil circuit draining: the first main switching valve of conducting, zero switch valve of first row, second row zero switch
Valve, exhaust valve and blowdown valve, the second box body switch valve maintain a normally open, and starting cleaning liquid pump, remaining valve is closed, and sump oil is through the
The blowdown that one main switching valve, zero switch valve of first row, zero switch valve of second row, cleaning liquid pump, check-valves and blowdown valve are formed
Oil circuit drains into main oil pipe, empties sump oil；
Secondly, passing through scavenger circuit cleaning quality flowmeter: opening the first main switching valve, the first cleaning switch valve, second
Main switching valve, the first box body switch valve, the second cleaning switch valve, the second box body switch valve maintain a normally open, starting cleaning liquid pump, clearly
Washing lotion case, the first box body switch valve, filter, cleaning liquid pump, check-valves, the second cleaning switch valve, the first cleaning switch valve, the
One main switching valve, measurement pipeline, mass flowmenter, the second main switching valve and the second box body switch valve, form closure and clean back
Road, cleaning solution slowly flow across mass flowmenter cleaning；
Again, cleaning liquid pump, the first main switching valve, the first cleaning switch valve, the second main switch pipeline soaking and washing: are closed
Valve, the first box body switch valve and the second cleaning switch valve allow cleaning solution sufficiently to impregnate in measurement branch pipe；
Finally, cleaning solution is discharged: opening the first main switching valve, the first cleaning switch valve, the second main switching valve, the first cabinet
Switch valve and the second cleaning switch valve start and clean liquid pump, in the first branch pipe, the second branch pipe, the 4th branch pipe and cabinet
Remaining cleaning solution can drain into main oil pipe through the second cleaning switch valve by cleaning liquid pump；
Mass flowmenter is once purged to can continue to metering use.The beneficial effect is that: first, the arrangement achieves quality
The on-line cleaning of flowmeter, easy to operate efficient, maintenance cost is low, securely and reliably, it is ensured that the measurement accuracy of mass flowmenter；
Second, compared to artificial cleaning, which can clean in time mass flowmenter without time interval, effectively prevent and disappear
Except wax deposition phenomenon, the measurement accuracy of mass flowmenter is further improved；Third, the device not only carries out mass flowmenter
Cleaning, and soaking and washing, good cleaning quality are carried out to pipeline；Fourth, cleaning liquid pump is also used as crude oil blowdown, which will be dirty
Oil and cleaning solution are directly injected back into main oil pipe, do not influence crude quality, efficiently solve mass flowmenter in repair and maintenance
Pipeline irreducible oil discharges bring environmental issue；Fifth, the device cleans blowdown automatically, human input is reduced, and reduce
Influence to the safety and health of operator.
Further, cleaning solution can select the stronger crude oil downstream product of diesel oil, white oil equal solvent performance.It is beneficial to effect
Fruit is: not influencing crude quality, can be directly discharged into crude oil main oil pipe.
Further, cabinet upper surface is equipped with liquid back pipe, and liquid back pipe is fixed on cabinet by right angle rack, table on cabinet
Face is additionally provided with third port, and third branch pipe upper end, which is equipped on first, divides mouth, and liquid back pipe both ends are respectively communicated with third port and first
On divide mouth.
Further, at third port, liquid back pipe side is additionally provided with a point of port, divides port close by sealing plate
Envelope.The beneficial effect is that: this point of port is set, can repair and be opened and used in draining.
Further, one jiao of cabinet upper end is additionally provided with the 4th port, and cabinet side lower end is additionally provided with fifth port, magnetic turning plate
Liquidometer both ends are respectively communicated with the 4th port and fifth port.The beneficial effect is that: magnetic double level gauge can be measured effectively
The volume of cleaning solution guarantees the abundance of cleaning solution, guarantees being fully-operational for cleaning process, and cleaning is complete.
Further, cabinet upper surface is additionally provided with the 6th port, is equipped with breather valve on the 6th port.Its advantages
Be: breather valve is maintenance cabinet air pressure balance, reduces medium volatilization, protects the safety device of cabinet.
Further, it is also successively arranged the 7th port and the 8th port below body side, the 7th port is equipped with just
Ground thermometer, the 8th port are equipped with temperature transmitter, and temperature transmitter is electrically connected control module.Cabinet is added using steam heat tracing
Cleaning solution can be heated to 50-70 DEG C by hot mode, the beneficial effect is that: cleaning solution is more conducive to colloid and wax
Dissolution, obtain more preferable cleaning effect.
Further, third branch pipe, which is equipped on second, divides mouth, divides on second and is equipped with pressure gauge on mouth.Its advantages
It is: guarantees oil pressure in suitable range.
Further, zero pipe of row, which is equipped in third, divides mouth, the lower mouth of mouth connection first switch valve is divided in third, first opens
The suitable for reading of valve is closed to seal by sealing plate.The beneficial effect is that: first switch valve is used as safety valve.
Further, further include rack, be equipped with first support on the right side of rack, cabinet is fixed in first support, in cabinet
Portion is equipped with second support, and cleaning liquid pump and driving motor, fixed third branch on the left of rack are successively fixed with before and after second support
Frame, the fixed third branch pipe of third bracket.The beneficial effect is that: rack ensure that integrally-built integrality, and cleaning is stable,
Equal abnormal sounds without friction.
Further, rack quadrangle is additionally provided with lifting part, and walking ladder is additionally provided on the right side of first support.The beneficial effect is that:
Lifting part has packed device convenient transportation lifting, and walking ladder facilitates maintenance and detection.
Further, front end of rack is further fixed on the 4th bracket, and control cabinet is fixed on the 4th bracket, and control cabinet surface is equipped with
Display screen is fixed with control module in control cabinet.The beneficial effect is that: control module and display screen realize cleaning process
Automatic operation, further reduced the use of manpower, save personnel cost.
Further, the first main switching valve, the second main switching valve, the first cleaning switch valve, zero switch valve of first row, first
Box body switch valve, the second box body switch valve, the second cleaning switch valve, blowdown valve and zero switch valve of second row are hand valve or electromagnetism
Valve.The beneficial effect is that: the setting facilitates operation, high degree of automation.
A kind of crude quality flowmeter on-line cleaning method, using above-mentioned crude quality flowmeter on-line cleaning device,
The following steps are included:
Firstly, pipeline blowdown:
First, close the first plug valve, the second plug valve；
Second, the first main switching valve, zero switch valve of first row, zero switch valve of second row and exhaust valve are successively opened, the
Two box body switch valves maintain a normally open；
Third opens blowdown valve, remaining valve is closed, and starting cleaning liquid pump cleans liquid pump for sump oil and drains into main oil pipe, arranges
Net sump oil；
Secondly, mass flowmenter cleans:
First, open the first main switching valve, the first cleaning switch valve and the second main switching valve；
Second, the first box body switch valve, the second cleaning switch valve are opened, the second box body switch valve maintains a normally open；
Third, starting cleaning liquid pump, cleaning solution is bottom-up to pass through mass flowmenter, cleaning solution low speed in measurement branch pipe
Slowly flowing carries out flush clean to mass flowmenter,
Again, pipeline soaking and washing:
Close cleaning liquid pump, the first main switching valve, the first cleaning switch valve, the second main switching valve, the first box body switch valve
And the second cleaning switch valve, allow cleaning solution sufficiently to impregnate in measurement branch pipe；
Finally, cleaning solution is discharged:
It is clear to open the first main switching valve, the first cleaning switch valve, the second main switching valve, the first box body switch valve and second
Switch valve is washed, liquid pump is cleaned in starting,
Remaining cleaning solution in first branch pipe, the second branch pipe, the 4th branch pipe and cabinet can be by cleaning liquid pump through the
Two cleaning switch valves drain into main oil pipe, and mass flowmenter is once purged to can continue to metering use.
Further, cabinet uses steam heat tracing heating method, cleaning solution can be heated to 50-70 DEG C, advantageously
In dissolution of the cleaning solution to colloid and wax.
Detailed description of the invention
Fig. 1 is the schematic three dimensional views of the crude quality flowmeter on-line cleaning device of an embodiment of the present invention；
Fig. 2 is the schematic three dimensional views of cleaning part shown in FIG. 1 and row zero；
Fig. 3 is the schematic front view of cleaning part shown in Fig. 2 and row zero；
Fig. 4 is the schematic top plan view of cleaning part shown in Fig. 2 and row zero；
Fig. 5 is the partial enlargement diagram (one) of cleaning part shown in Fig. 2 and row zero；
Fig. 6 is the partial enlargement diagram (two) of cleaning part shown in Fig. 2 and row zero；
Fig. 7 is the pipeline blowdown flow diagram of crude quality flowmeter on-line cleaning device shown in FIG. 1；
Fig. 8 is the on-line cleaning flow diagram of crude quality flowmeter on-line cleaning device shown in FIG. 1；
Measurement portion 01, measurement branch pipe 011, mass flowmenter 012, the first main switching valve 013, the first plug valve 014, second
Main switching valve 015, exhaust valve 016, the second plug valve 017, the first cleaning switch valve 018, zero switch valve 019 of first row,
Cleaning part 02, the first branch pipe 021, the second branch pipe 022, third branch pipe 023 divide mouth 0231 on first, on second point
Mouth 0232, the 4th branch pipe 024, sewage pipe 025, cabinet 1, first port 101, second port 102, third port 103, the 4th end
Mouth 104, fifth port 105, the 6th port 106, the 7th port 107, the 8th port 108, right angle rack 109, the first cabinet are opened
Valve 11, the second box body switch valve 12 are closed, liquid back pipe 13 divides port 131, magnetic double level gauge 14, breather valve 15, on the spot thermometer
16, temperature transmitter 17 cleans liquid pump 2, and inlet 21, liquid outlet 22, driving motor 3, filter 4, check-valves 5, second is clear
Wash switch valve 6, blowdown valve 7, pressure gauge 8,
Row zero 03, arranges zero pipe 031, and zero switch valve 032 of second row divides mouth 0311, first switch valve 033, machine in third
Frame 04, first support 041, second support 042, third bracket 043, the 4th bracket 044, lifting part 045, walking ladder 046, control
Cabinet 05, display screen 051, main oil pipe 06.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.It should be noted that used in the following description
Word "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to
Towards or away from the direction of geometric center of specific component.
Fig. 1 to Fig. 8 schematically shows that a kind of crude quality flowmeter of embodiment according to the present invention is clear online
Cleaning device.As shown, the device include measurement portion 01, cleaning part 02 and row zero 03,
Measurement portion 01 includes measurement branch pipe 011, and measurement 011 both ends of branch pipe are connected to main oil pipe 06, measure and be equipped in branch pipe 011
Mass flowmenter 012, measurement 011 left end of branch pipe are successively arranged the first plug valve 014, the first main switching valve 013, measure branch pipe
011 right end is successively arranged the second main switching valve 015, exhaust valve 016 and the second plug valve 017, and the first main switching valve 013 passes through
Three-way connection is connected to the first cleaning switch valve 018 and zero switch valve 019 of first row,
Cleaning part 02 includes cleaning liquid pump 2 and the cabinet 1 for accommodating cleaning solution,
1 lower surface of cabinet is equipped with first port 101 and upper surface is equipped with second port 102, the connection of first port 101 first
Box body switch valve 11, second port 102 are connected to the second box body switch valve 12, and the second box body switch valve 12 is connected to the 4th branch pipe 024,
4th branch pipe, 024 other end is connected to the second main switching valve 015 and exhaust valve 016 by three-way connection,
Liquid pump 2 is cleaned by shaft coupling direct connection driving motor 3, cleaning liquid pump 2 provides the power of liquid flowing, cleans liquid pump
2 include inlet 21 and liquid outlet 22, and inlet 21 is connected to filter 4, and filter 4 passes through the first branch pipe 021 connection first
Box body switch valve 11, liquid outlet 22 are connected to check-valves 5, and check-valves 5 is connected to 022 one end of the second branch pipe, and the second branch pipe 022 passes through three
Pass joint is respectively communicated with third branch pipe 023 and sewage pipe 025, and 023 other end of third branch pipe is connected to the second cleaning switch valve 6,
Second cleaning switch valve 6 is connected to blowdown valve 7, blowdown by the first cleaning switch of pipeline connection valve 018,025 other end of sewage pipe
Valve 7, second cleans switch valve 6 and also passes through pipeline connection main oil pipe 06,
Row zero 03 includes zero pipe 031 of row, and row zero pipe, 031 one end is connected to the first branch pipe 021 and the other end is connected to second row
Zero switch valve 032, zero switch valve 032 of second row are connected to zero switch valve 019 of first row by pipeline.
The crude quality flowmeter on-line cleaning device realizes pipeline condensate drain and on-line cleaning process,
Firstly, pipeline is through blowdown oil circuit draining: conducting the first main switching valve 013, zero switch valve 019 of first row, second row
Zero switch valve 032, exhaust valve 016 and blowdown valve 7, the second box body switch valve 12 maintain a normally open, starting cleaning liquid pump 2, remaining
Valve close, sump oil through the first main switching valve 013, zero switch valve 019 of first row, zero switch valve 032 of second row, cleaning liquid pump 2,
The blowdown oil circuit that check-valves 5 and blowdown valve 7 are formed drains into main oil pipe 06, empties sump oil；
Secondly, passing through scavenger circuit cleaning quality flowmeter 012: opening the first main switching valve 013, the first cleaning switch valve
018, the second main switching valve 014, the first box body switch valve 11, the second cleaning switch valve 6, the second box body switch valve 12 keep normal
It opens, starting cleaning liquid pump 2, cleaning fluid tank 1, the first box body switch valve 11, filter 4, cleaning liquid pump 2, check-valves 5, second are clear
It is main to wash switch valve 6, the first cleaning switch valve 018, the first main switching valve 013, measurement pipeline 011, mass flowmenter 012, second
Switch valve 014 and the second box body switch valve 12 form closure scavenger circuit, and it is clear that cleaning solution slowly flows across mass flowmenter 012
It washes；
Again, cleaning liquid pump 2, the first main switching valve 013, the first cleaning switch valve 018, the pipeline soaking and washing: are closed
Two main switching valves 014, the first box body switch valve 11 and the second cleaning switch valve 6 allow cleaning solution sufficiently to soak in measurement branch pipe 011
Bubble；
Finally, cleaning solution is discharged: opening the first main switching valve 013, the first cleaning switch valve 018, the second main switching valve
014, the first box body switch valve 11 and the second cleaning switch valve 6, starting cleaning liquid pump 2, the first branch pipe 021, the second branch pipe
022, the remaining cleaning solution in the 4th branch pipe 024 and cabinet 1 can be drained by cleaning liquid pump 2 through the second cleaning switch valve 6
Main oil pipe 06；
Mass flowmenter 012 is once purged to can continue to metering use.The beneficial effect is that: first, the arrangement achieves
The on-line cleaning of mass flowmenter 012, easy to operate efficient, maintenance cost is low, securely and reliably, it is ensured that mass flowmenter 012
Measurement accuracy；Second, the device can clean in time mass flowmenter without time interval compared to artificial cleaning,
Effectively prevention and elimination wax deposition phenomenon, further improves the measurement accuracy of mass flowmenter 012；Third, the device is not only
Mass flowmenter 012 is cleaned, and soaking and washing, good cleaning quality are carried out to pipeline；Fourth, cleaning liquid pump also conduct
Sump oil and cleaning solution are directly injected back into main oil pipe 06, do not influence crude quality by crude oil blowdown, the device, efficiently solve quality
Pipeline irreducible oil of the flowmeter 012 in repair and maintenance discharges bring environmental issue；Fifth, the device row of cleaning automatically
Dirt reduces human input, and reduces the influence to the safety and health of operator.
Preferably, cleaning solution can select the stronger crude oil downstream product of diesel oil, white oil equal solvent performance.Its advantages
It is: does not influence crude quality, crude oil main oil pipe 06 can be directly discharged into.
Preferably, 1 dischargeable capacity of cabinet is 3-5 times of 012 single channel pipeline total measurement (volume) of mass flowmenter.Its advantages
It is: the mass flowmenter 12 and pipeline for needing to clean can be completely filled with.
Preferably, 1 upper surface of cabinet is equipped with liquid back pipe 13, and liquid back pipe 13 is fixed on cabinet 1 by right angle rack 109,
1 upper surface of cabinet is additionally provided with third port 103, and 023 upper end of third branch pipe, which is equipped on first, divides mouth 0231,13 both ends of liquid back pipe point
Mouth 0231 Lian Tong not be divided in third port 103 and first.
Preferably, at third port 103,13 side of liquid back pipe is additionally provided with point of port 131, divides port 131 logical
Cross sealing plate sealing.The beneficial effect is that: this point of port 131 is set, can repair and be opened and used in draining.
Preferably, one jiao of 1 upper end of cabinet is additionally provided with the 4th port 104, and 1 side lower end of cabinet is additionally provided with fifth port 105,
14 both ends of magnetic double level gauge are respectively communicated with the 4th port 104 and fifth port 105.Magnetic double level gauge 14 can be surveyed effectively
The volume for determining cleaning solution guarantees the abundance of cleaning solution, guarantees being fully-operational for cleaning process, and cleaning is complete.
Preferably, 1 upper surface of cabinet is additionally provided with the 6th port 106, is equipped with breather valve 15 on the 6th port 106.It has
Beneficial effect is: breather valve 15 is maintenance 1 air pressure balance of cabinet, reduces medium volatilization, protects the safety device of cabinet 1.
Preferably, the 7th port 107 and the 8th port 108, the 7th port 107 are also successively arranged below 1 side of cabinet
Thermometer 16 on the spot are installed, the 8th port 108 is equipped with temperature transmitter 17, and temperature transmitter 17 is electrically connected control module.
Cabinet 1 uses steam heat tracing heating method, cleaning solution can be heated to 50-70 DEG C.Be more conducive to cleaning solution to colloid with
And the dissolution of wax, obtain better cleaning effect.
Preferably, third branch pipe 023, which is equipped on second, divides mouth 0232, divides on mouth 0232 on second and is equipped with pressure gauge 8.
Guarantee oil pressure in suitable range.
Preferably, zero pipe 031 of row, which is equipped in third, divides mouth 0311, and mouth 0311 is divided to connect first switch valve 033 in third
Lower mouth, the suitable for reading of first switch valve 033 sealed by sealing plate.First switch valve 033 is used as safety valve.
Preferably, further include rack 04, be equipped with first support 041 on the right side of rack 04, cabinet 1 is fixed on first support 041
On, second support 042 is equipped in the middle part of cabinet 04,042 front and back of second support is successively fixed with cleaning liquid pump 2 and driving motor 3,
Third bracket 043, the fixed third branch pipe 023 of third bracket 043 are fixed on the left of rack 04.Rack 04 ensure that integrally-built complete
Whole property, cleaning is stable, equal abnormal sounds without friction.
Preferably, it is additionally provided with lifting part 045 for 04 4 jiaos of rack, walking ladder 046 is additionally provided on the right side of first support 041.Lifting
Part 045 has packed device convenient transportation lifting, and walking ladder 046 facilitates maintenance and detection.
Preferably, 04 front end of rack is further fixed on the 4th bracket 044, control cabinet 05 be fixed on the 4th control module and
Display screen 051 realizes the automatic operation of cleaning process, further reduced the use of manpower, saves personnel cost.
Preferably, the first main switching valve 013, the second main switching valve 015, the first cleaning switch valve 018, first row zero switch
Valve 019, the first box body switch valve 11, the second box body switch valve 12, the second cleaning switch valve 6, blowdown valve 7 and second row zero are opened
Closing valve 032 is hand valve or solenoid valve.The setting facilitates operation, high degree of automation.
Preferably, the first main switching valve 013, the second main switching valve 015, the first cleaning switch valve 018, first row zero switch
Valve 019, the first box body switch valve 11, the second box body switch valve 12, the second cleaning switch valve 6, blowdown valve 7 and second row zero are opened
Closing valve 032 is regulating valve or flow switch.The setting can guarantee higher cleaning precision.
Preferably, the first main switching valve 013, the second main switching valve 015, the first cleaning switch valve 018, first row zero switch
Valve 019, the first box body switch valve 11, the second box body switch valve 12, the second cleaning switch valve 6, blowdown valve 7 and second row zero are opened
Closing valve 032 is ball valve, butterfly valve or gate valve.
A kind of crude quality flowmeter on-line cleaning method, using above-mentioned crude quality flowmeter on-line cleaning device,
The following steps are included:
Firstly, pipeline blowdown, as shown in fig. 7:
First, close the first plug valve 014, the second plug valve 017；
Second, successively open the first main switching valve 013, zero switch valve 019 of first row, zero switch valve 032 of second row and
Exhaust valve 016, the second box body switch valve 12 maintain a normally open；
Third opens blowdown valve 7, remaining valve is closed, and sump oil is drained into main oil pipe by starting cleaning liquid pump 2, cleaning liquid pump 2
06, empty sump oil；
Secondly, mass flowmenter 012 cleans:
First, open the first main switching valve 013, the first cleaning switch valve 018 and the second main switching valve 014；
Second, the first box body switch valve 11, the second cleaning switch valve 6 are opened, the second box body switch valve 12 maintains a normally open；
Third, starting cleaning liquid pump 2, cleaning solution is bottom-up to pass through mass flowmenter 012, and cleaning solution is in measurement branch pipe
Low speed (0.2m/s or so) slowly flows in 011, carries out flush clean to mass flowmenter 012,
Again, pipeline soaking and washing, as shown in Figure 8:
Close cleaning liquid pump 2, the first main switching valve 013, the first cleaning switch valve 018, the second main switching valve 014, first
Box body switch valve 11 and the second cleaning switch valve 6 allow cleaning solution sufficiently to impregnate in measurement branch pipe 011；
Finally, cleaning solution is discharged:
Open the first main switching valve 013, the first cleaning switch valve 018, the second main switching valve 014, the first box body switch valve
11 and the second cleaning switch valve 6, starting cleaning liquid pump 2,
Remaining cleaning solution in first branch pipe 021, the second branch pipe 022, the 4th branch pipe 024 and cabinet 1 can be by clear
Lotion pumps 2 drain into main oil pipe 06 through the second cleaning switch valve 6, and mass flowmenter 012 is once purged to can continue to metering use.
Further, cabinet 1 uses steam heat tracing heating method, cleaning solution can be heated to 50-70 DEG C, advantageously
In dissolution of the cleaning solution to colloid and wax.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (10)
1. crude quality flowmeter on-line cleaning device, which is characterized in that including measurement portion (01), cleaning part (02) and row zero
Portion (03),
The measurement portion (01) includes measurement branch pipe (011), and the measurement branch pipe (011) both ends are connected to main oil pipe (06), described
It measures in branch pipe (011) and is equipped with mass flowmenter (012), measurement branch pipe (011) left end is successively arranged the first plug valve
(014), the first main switching valve (013), measurement branch pipe (011) right end are successively arranged the second main switching valve (015), exhaust valve
(016) and the second plug valve (017), first main switching valve (013) are connected to the first cleaning switch valve by three-way connection
(018) and zero switch valve of first row (019),
The cleaning part (02) includes cleaning liquid pump (2) and the cabinet (1) for accommodating cleaning solution,
Cabinet (1) lower surface is equipped with first port (101) and upper surface is equipped with second port (102), the first port
(101) the first box body switch valve (11) of connection, the second box body switch valve (12) of second port (102) connection, described second
Box body switch valve (12) is connected to the 4th branch pipe (024), and the 4th branch pipe (024) other end is connected to described the by three-way connection
Two main switching valves (015) and the exhaust valve (016),
The cleaning liquid pump (2) provides the dynamic of liquid flowing by shaft coupling direct connection driving motor (3), cleaning liquid pump (2)
Power, the cleaning liquid pump (2) include inlet (21) and liquid outlet (22), and the inlet (21) is connected to filter (4), institute
It states filter (4) and the first box body switch valve (11) is connected by the first branch pipe (021), the liquid outlet (22) is connected to non-return
Valve (5), the check-valves (5) are connected to the second branch pipe (022) one end, and second branch pipe (022) is connected respectively by three-way connection
Logical third branch pipe (023) and sewage pipe (025), third branch pipe (023) other end are connected to the second cleaning switch valve (6),
For the second cleaning switch valve (6) by the first cleaning switch valve (018) described in pipeline connection, the sewage pipe (025) is another
End connection blowdown valve (7), the blowdown valve (7), second cleaning switch valve (6) also pass through main oil pipe described in pipeline connection
(06),
The row zero (03) includes zero pipe (031) of row, the row zero manage (031) one end be connected to first branch pipe (021) and
The other end is connected to zero switch valve of second row (032), and zero switch valve of second row (032) is connected to the first row zero by pipeline
Switch valve (019).
2. crude quality flowmeter on-line cleaning device according to claim 1, which is characterized in that on the cabinet (1)
Surface is equipped with liquid back pipe (13), and the liquid back pipe (13) is fixed on the cabinet (1) by right angle rack (109), the case
Body (1) upper surface is additionally provided with third port (103), and third branch pipe (023) upper end, which is equipped on first, to be divided mouth (0231), described
Liquid back pipe (13) both ends, which are respectively communicated on the third port (103) and described first, divides mouth (0231).
3. crude quality flowmeter on-line cleaning device according to claim 1, which is characterized in that on the cabinet (1)
One jiao is held to be additionally provided with the 4th port (104), cabinet (1) the side lower end is additionally provided with fifth port (105), magnetic double level gauge
(14) both ends are respectively communicated with the 4th port (104) and the fifth port (105).
4. crude quality flowmeter on-line cleaning device according to claim 1, which is characterized in that on the cabinet (1)
Surface is additionally provided with the 6th port (106), is equipped with breather valve (15) on the 6th port (106).
5. crude quality flowmeter on-line cleaning device according to claim 1, which is characterized in that cabinet (1) side
It is also successively arranged the 7th port (107) and the 8th port (108) below face, the 7th port (107) is equipped with regard to ground temperature
It spends table (16), the 8th port (108) is equipped with temperature transmitter (17), temperature transmitter (17) the electrical connection control mould
Block.
6. crude quality flowmeter on-line cleaning device according to claim 1, which is characterized in that the third branch pipe
(023) it is equipped on second and divides mouth (0232), divide on mouth (0232) on described second and pressure gauge (8) are installed.
7. crude quality flowmeter on-line cleaning device according to claim 1, which is characterized in that further include rack
(04), it being equipped with first support (041) on the right side of the rack (04), the cabinet (1) is fixed on the first support (041),
It is equipped with second support (042) in the middle part of the cabinet (04), is successively fixed with the cleaning liquid pump before and after the second support (042)
(2) and third bracket (043) is fixed in the driving motor (3), rack (04) left side, and the third bracket (043) is solid
The fixed third branch pipe (023).
8. crude quality flowmeter on-line cleaning device according to claim 7, which is characterized in that before the rack (04)
End is further fixed on the 4th bracket (044), and control cabinet (05) is fixed on the 4th bracket (044), control cabinet (051) surface
Equipped with display screen (051), control module is fixed in the control cabinet (05).
9. crude quality flowmeter on-line cleaning device according to claim 1, which is characterized in that first main switch
Valve (013), second main switching valve (015), the first cleaning switch valve (018), zero switch valve of the first row
(019), the first box body switch valve (11), the second box body switch valve (12), the second cleaning switch valve (6), institute
It states blowdown valve (7) and zero switch valve of the second row (032) is hand valve or solenoid valve.
10. a kind of crude quality flowmeter on-line cleaning method, which is characterized in that using as described in claim any one of 1-9
Crude quality flowmeter on-line cleaning device, comprising the following steps:
Firstly, pipeline blowdown:
First, close first plug valve (014), second plug valve (017)；
Second, successively open first main switching valve (013), zero switch valve of the first row (019), the second row zero are opened
It closes valve (032) and the exhaust valve (016), the second box body switch valve (12) maintains a normally open；
Third is opened the blowdown valve (7), remaining valve is closed, and starts the cleaning liquid pump (2), and the cleaning liquid pump (2) will
Sump oil drains into the main oil pipe (06), empties sump oil；
Secondly, mass flowmenter (012) cleaning:
First, open first main switching valve (013), the first cleaning switch valve (018) and second main switch
Valve (014)；
Second, open the first box body switch valve (11), the second cleaning switch valve (6), the second box body switch valve
(12) it maintains a normally open；
Third starts the cleaning liquid pump (2), and cleaning solution is bottom-up to pass through the mass flowmenter (012), and cleaning solution is in institute
It states low speed in measurement branch pipe (011) slowly to flow, flush clean is carried out to the mass flowmenter (012)；
Again, pipeline soaking and washing:
Close the cleaning liquid pump (2), first main switching valve (013), the first cleaning switch valve (018), described
Two main switching valves (014), the first box body switch valve (11) and the second cleaning switch valve (6), allow cleaning solution in institute
Measurement branch pipe (011) is stated sufficiently to impregnate；
Finally, cleaning solution is discharged:
Open first main switching valve (013), the first cleaning switch valve (018), second main switching valve (014),
The first box body switch valve (11) and the second cleaning switch valve (6) start the cleaning liquid pump (2),
In first branch pipe (021), second branch pipe (022), the 4th branch pipe (024) and the cabinet (1)
Remaining cleaning solution can drain into the main oil pipe (06), institute through the second cleaning switch valve (6) by the cleaning liquid pump (2)
State mass flowmenter (012) it is once purged can continue to metering use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101227.XA CN109174837B (en) | 2018-09-20 | 2018-09-20 | Crude oil mass flowmeter online cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101227.XA CN109174837B (en) | 2018-09-20 | 2018-09-20 | Crude oil mass flowmeter online cleaning device |
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| Publication Number | Publication Date |
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| CN109174837A true CN109174837A (en) | 2019-01-11 |
| CN109174837B CN109174837B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811101227.XA Active CN109174837B (en) | 2018-09-20 | 2018-09-20 | Crude oil mass flowmeter online cleaning device |
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| Country | Link |
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Cited By (1)
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| CN110411889A (en) * | 2019-06-25 | 2019-11-05 | 中国石油天然气股份有限公司 | Density determination method and system for wax-containing crude oil |
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|---|---|
| CN109174837B (en) | 2023-09-22 |
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