CN102278105B - Full automatic degassing machine - Google Patents
Full automatic degassing machine Download PDFInfo
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- CN102278105B CN102278105B CN 201110175523 CN201110175523A CN102278105B CN 102278105 B CN102278105 B CN 102278105B CN 201110175523 CN201110175523 CN 201110175523 CN 201110175523 A CN201110175523 A CN 201110175523A CN 102278105 B CN102278105 B CN 102278105B
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Abstract
The invention discloses a full-automatic degassing machine, comprising a degassing barrel (2), a slurry inlet (1), a slurry outlet (6), a stirring and crushing device (3) and a motor. The invention is characterized in that the full-automatic degassing machine also comprises an air cavity (7), an air inlet (8), an oil gas suction inlet (9), a lifting support sliding rod (21), a guide rail locatingplate (12), a double spindle lifting cylinder (24) and a brake friction plate (30), and a first ultrasonic wave probe (15), a second ultrasonic wave probe (16), a slurry blocking detection device (25) and an automatic drainer (26), and the double spindle lifting cylinder (24), a braking cylinder (28), the slurry blocking detection device (25), the motor (13), the first ultrasonic wave probe (15) and the second ultrasonic wave probe (16) are all connected with an electric control device (31). The full-automatic degassing machine disclosed by the invention has a reasonable design, a simple structure, economy and practicability, convenience in operation, good degassing efficiency, high efficiency, long service life and simplicity in mounting and dismounting.
Description
Technical field:
The present invention relates to a kind of full-automatic degasser, is the electronic degasser of full-automatic lifting formula that a kind of petroleum geology compound logging is used, and belongs to petroleum geology well logging technical equipment field.
Background technology:
Will carry out the oil gas analysis to drilling underground rock stratum in the oilfield drilling, mainly be that the oil gas analysis is carried out in the rock stratum of drilling process different depth.Generally all be provided with import (lower position) and export (high position), drilling fluid mud pit square, that storage refluxes at one, degasser is placed on it, the mud that returns up with drilling fluid in the oilfield drilling is carried out online fragmentation, the oil gas that wherein comprises is deviate from and passed to the instrument room by tracheae and analyze.Present existing oil gas degasser exists following shortcoming and subject matter:
1, degasifying effect is undesirable: drilling fluid all is to be driven underground with drill bit with high-pressure pump, so it is very fast that it returns the spare mobility that comes with drilling fluid, measure very big, existing degasser is because the outlet of broken bucket mud arranges unreasonable, the mud of turnover degassing bucket is few, and asynchronous with the drilling fluid flow velocity, cause can not science the actual conditions of reacting drilling well different depth rock stratum oily accurately.
2, the degasser elevating mechanism is unreasonable: owing to single two compression pump conversion and other factors vary of stratum in the drilling process, the mud height is that often variation and speed are very fast in the liquid pool, just can rise to high point several seconds or drop to low spot.Present degasser substantially all is to change according to liquid level, adopt hand screw to drive the mode of stirring motor and the lifting of degassing barreled, when level change, the staff reaches the spot and manual lifting has needed time of a few minutes at least, at this time be easy to occur motor flooded cause that short circuit is burnt, the oil and gas gathering tracheae all can take place more than once that inspiration mud causes situations such as obstruction every day, influences oil and gas gathering.In addition, have design to drive degasser lifting, the drawback that it is maximum with motor by the gear screw rod: the one, rising or falling speed is slow; The 2nd, overweight 2 fire-proof motors of degasser add at least 40 kilograms in other devices, a motor uses electromagnetic clutch control lifting, it is too high to solve explosion-proof problem cost), and field personnel's major part is the woman, sometimes beating a bite well only needs more than 10 days time, the burden of dismounting, transfer, installation is very heavy, and people and machine have the danger that drops in the liquid pool that contains highly basic; The 3rd, operating environment is abominable, the sealing of screw rod, gear, lubricated and daily maintenance is required very high, contains the hot gas of soda acid and the mud that splashes is easy to it is caused corrosion and stops up, and influences machine operate as normal and application life.
3, the liquid level position detection of existing degasser use substantially all is the mode that adopts spherical float, because drilling fluid and mud oiliness be thickness greatly very, liquid pool import mud splashes greatly, can often occur that float elevating lever guide rail place is stopped up, float smoothly lifting cause machine to lose elevating function.Float is hung mud too much also to cause lifting to walk easily inaccurate in addition.
Summary of the invention:
The objective of the invention is to overcome the deficiency of above-mentioned prior art and provide a kind of reasonable in design, simple in structure, economic and practical, easy to operate, degasifying effect is good, efficient is high, the simple full-automatic degasser of long service life, loading and unloading.
Purpose of the present invention can reach by following measure: a kind of full-automatic degasser, it comprises degassing bucket, the lower end of degassing bucket is provided with mud entrance, degassing bucket is provided with the mud outlet, be provided with the stirring breaker in the degassing bucket, it is characterized in that the outgasing top of bucket is provided with air cavity, the upper end of degassing bucket is provided with the air intake that communicates with air cavity, the oil gas intake, stir breaker and connect motor, degassing bucket flexibly connects lifting and supports litter, lifting is supported litter and is connected the guide rail location-plate, lifting is supported litter and is connected the twin shaft lift cylinder by the cylinder lower fixed frame with the cylinder upper holder, the following output shaft of twin shaft lift cylinder connects motor, the cylinder upper holder connects bremsbelage, the last output shaft of twin shaft lift cylinder connects brake cylinder, the cylinder upper holder is provided with first ultrasonic probe, second ultrasonic probe, lifting is supported litter and is connected mud obstruction checkout gear outward, mud stops up checkout gear and is connected with the oil gas intake by the PU tracheae, mud stops up checkout gear and is connected the twin shaft lift cylinder with automatic water trap by the PU tracheae, brake cylinder, mud stops up checkout gear, motor, first ultrasonic probe, second ultrasonic probe all connects electrical control gear.
In order further to realize purpose of the present invention, described electrical control gear comprises the PLC programmable logic controller, the PLC programmable logic controller connects ultrasonic level gage respectively, the PLC communication module, signal transmssion line, the motor overload switch, the beginning key, stop key, relay ZJA, relay ZJB, relay ZJC, relay ZJD, relay ZJE, ultrasonic level gage connects first ultrasonic probe, second ultrasonic probe, relay ZJA connects electromagnetic valve A, relay ZJB connects electromagnetic valve B, electromagnetic valve A is connected the twin shaft lift cylinder with electromagnetic valve B, relay ZJC connects electromagnetic valve C, electromagnetic valve C connects brake cylinder, relay ZJD connects stop valve, stop valve connects mud and stops up checkout gear, relay ZJE connects the motor contactor, the motor contactor connects the motor overload switch, motor, power supply connects the PLC programmable logic controller, the motor contactor.
In order further to realize purpose of the present invention, vertically be provided with the mud outlet on the bucket wall of described degassing bucket, the mud outlet is tangent with the bucket wall of degassing bucket.
In order further to realize purpose of the present invention, described stirring breaker comprises shaft, and the middle part of shaft is connected and fixed plate, and the two ends of fixed head are provided with broken rod, and the lower end of shaft connects the drainage impeller, and the drainage impeller connects circular stabilization ring.
In order further to realize purpose of the present invention, described mud stops up checkout gear and comprises device body, the upper end of device body is provided with escape pipe, the lower end is provided with admission pipe, connect seal box by cover plate in the device body, be provided with photoelectric sensor in the seal box, photoelectric sensor connects signal transmssion line, the admission pipe that mud stops up the checkout gear lower end is connected with the oil gas intake by the PU tracheae, and the escape pipe that mud stops up the checkout gear upper end is connected with automatic water trap by the PU tracheae.
In order further to realize purpose of the present invention, the lower end of described air cavity is provided with mud baffle.
In order further to realize purpose of the present invention, the junction of described motor and shaft is provided with oil sealing.
In order further to realize purpose of the present invention, the both sides of described lifting support litter connect the machine fixed support by quick-locking device, and the machine fixed support connects the derrick joint pin.
In order further to realize purpose of the present invention, the following output shaft of described twin shaft lift cylinder is by shaft coupling, fixed bar, and fixed bar connects motor by fixed operating sleeve.
In order further to realize purpose of the present invention, described brake cylinder is provided with rubber sheet gasket.
The present invention can produce following good effect compared with the prior art:
One, adopt cylinder as the executing agency of elevating mechanism, utilize its rising or falling speed fast, meet requirement of explosion proof, advantage such as in light weight, inconsistent to the rising or falling speed that it occurs under condition of loading by braking mechanism and programme-control, be difficult to accurately problem such as location and carried out effective correction, solved well that the motor that hand-operated lifting and screw rod rising or falling speed cause is slowly flooded, mud stops up tracheae, loaded and unloaded significant problems such as difficulty;
Two, design flow degassing bucket mud means of egress, outlet is designed to degassing bucket point of contact direction, one side can make the mud after the fragmentation in time screw out, new mud is in time entered, keep improving accuracy and science that the degassing detects synchronously with the drill bit progress, more meet mechanics principle on the other hand, can reduce the mud of rotation to the impact of degassing bucket outlet, the stability of increase and decrease degasser.
Three, innovate the stirring breaker, stirred the broken function except having, can also have the effect of plug-flow and water conservancy diversion concurrently.The first, be provided with round stabilization ring in the shaft bottom; The second, be provided with impeller inducer, mud is upwards sucked and raised by degassing bucket bottom, and carry out fragmentation; The 3rd is provided with broken rod 2 times, and the subtend rising is revolved the mud that rises and carried out fragmentation again, and it is got rid of to centrifugal direction, enlarges the Oil-gas Separation face, improves degasifying effect.
Four, be provided with the ultrasonic solution level detecting apparatus, the altitude information of liquid level and machine is transferred to the PLC programmable logic controller, make machine keep best degassing position always; Avoided the inaccurate shortcoming that is difficult to safeguard of traditional float;
Five, be provided with tracheae and stop up checkout gear, when sensor detects mud and enters tracheae, send instruction by PLC, electromagnetic valve is instantaneous closes the tracheae air inlet and use sound and light alarm, and the while degasser rises to peak and leaves liquid level, enters drying tube etc. to prevent mud;
Six, be provided with the motor overload protection circuit, when overload appears in motor, cut off the power supply automatically and use sound and light alarm, the while degasser rises to peak and leaves liquid level.
Patent of the present invention is long run test repeatedly through the scene, can be good at satisfying the automation control of oil and gas gathering process, has effectively guaranteed science, continuity, the stability of oil gas online acquisition.Has reasonable in design, simple in structure, economic and practical, easy to operate advantage.
Description of drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the vertical view of the degassing bucket of Fig. 1;
Fig. 3 is the structural representation of the stirring breaker of Fig. 1;
Fig. 4 is the vertical view that the mud of Fig. 1 stops up checkout gear;
Fig. 5 is electric theory diagram of the present invention.
The specific embodiment:
Below in conjunction with accompanying drawing preferred forms of the present invention is elaborated:
Embodiment: a kind of full-automatic degasser (referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5), it comprises degassing bucket 2, and the lower end of degassing bucket 2 is provided with mud entrance 1, vertically is provided with mud outlet 6 on the bucket wall of degassing bucket 2, and mud outlet 1 is tangent with the bucket wall of degassing bucket 2.Be provided with in the degassing bucket 2 and stir breaker 3, stir breaker 3 and comprise shaft 5, the middle part of shaft 5 is connected and fixed plate 3-3, and the two ends of fixed head 3-3 are provided with broken excellent 3-4, the lower end of shaft 5 connects drainage impeller 3-2, and drainage impeller 3-2 connects circular stabilization ring 3-5.The top of degassing bucket 2 is provided with air cavity 7, the lower end of air cavity 7 is provided with mud baffle 4, the upper end of degassing bucket 2 is provided with the air intake 8 that communicates with air cavity 7, oil gas intake 9, the upper end of degassing bucket 2 connects motor 13 by motor connector 10, motor 13 links to each other with shaft 5, motor 13 is provided with oil sealing 11 with the junction of shaft 5, degassing bucket 2 connects lifting by slide block 32 and supports litter 21, lifting is supported litter 21 and is connected guide rail location-plate 12, the both sides that litter 21 is supported in lifting connect machine fixed support 14 by quick-locking device 20, and machine fixed support 14 connects derrick joint pin 17.Lifting is supported litter 21 and is connected twin shaft lift cylinder 24 by cylinder lower fixed frame 23 with cylinder upper holder 23 ', the following output shaft of twin shaft lift cylinder 24 is connected and fixed bar 33 by shaft coupling 19, fixed bar 33 connects motor 13 by fixed operating sleeve 18, cylinder upper holder 23 ' connects bremsbelage 30, the last output shaft of twin shaft lift cylinder 24 connects brake cylinder 28 by brake cylinder fixed mount 27, and brake cylinder 28 is provided with rubber sheet gasket 29.Cylinder upper holder 23 ' is provided with first ultrasonic probe 15, second ultrasonic probe 16.Lifting is supported the litter 21 outer mud that connect and is stopped up checkout gear 25, mud stops up checkout gear 25 and comprises device body 25-6, the upper end of device body 25-6 is provided with escape pipe 25-5, the lower end is provided with admission pipe 25-7, connect seal box 25-3 by cover plate 25-4 in the device body 25-6, be provided with photoelectric sensor 25-2 in the seal box 25-3, photoelectric sensor 25-2 connects signal transmssion line 25-1, the admission pipe 25-7 that mud stops up checkout gear 25 lower ends is connected with oil gas intake 9 by PU tracheae 22, and the escape pipe 25-5 that mud stops up checkout gear 25 upper ends is connected with automatic water trap 26 by the PU tracheae.The lifting of twin shaft lift cylinder 24, the push-and-pull of brake cylinder 28, mud stops up checkout gear 25, motor 13 grades are by electrical control gear 31 controls, comprise PLC programmable logic controller 31-1 in the electrical control gear 31, PLC programmable logic controller 31-1 connects ultrasonic level gage 31-11 respectively, PLC communication module 31-12, signal transmssion line 25-1, motor overload switch 31-8, beginning key 31-9, stop key 31-10, relay ZJA, relay ZJB, relay ZJC, relay ZJD, relay ZJE, ultrasonic level gage 31-11 connect first ultrasonic probe 15, second ultrasonic probe 16.Relay ZJA connects electromagnetic valve A 31-2, relay ZJB connects electromagnetic valve B 31-3, electromagnetic valve A 31-2 is connected twin shaft lift cylinder 24 with electromagnetic valve B 31-3, relay ZJC connects electromagnetic valve C 31-4, electromagnetic valve C 31-4 connects brake cylinder 28, relay ZJD connects stop valve 31-5, stop valve 31-5 connects the admission pipe 25-7 that mud stops up checkout gear 25, relay ZJE connects motor contactor 31-6, motor contactor 31-6 connects motor overload switch 31-8, motor 13, and power supply 31-7 connects PLC programmable logic controller 31-1, motor contactor 31-6.
During use, entire machine is fixed on the derrick by derrick joint pin 17.
After connecting power supply, press beginning key 31-9, stirring motor 13 rotates, drive breaker 3 work of stirring, first ultrasonic probe 15 detects degassing bucket 2 height, and second ultrasonic probe 16 detects liquid level simultaneously, and data are reached ultrasonic level gage 31-11, reach PLC communication module 31-12 again, PLC programmable logic controller 31-1 sends instruction according to data analysis:
A. work as liquid level and degassing bucket difference in height greater than 20cm (adjustable value), return and leave bremsbelage 30 by relay ZJC, electromagnetic valve C 31-4 control brake cylinder 28, make its rising by relay ZJA, electromagnetic valve A31-2 control twin shaft lift cylinder 24, drive motor 13 and degassing bucket 2 rise to difference in height along lifting support litter 21 and equal 20cm (the best degassing position, adjustable value), release and bremsbelage 30 tensioners by relay ZJC, electromagnetic valve C 31-4 control brake cylinder 28, prevent that motor 13 and the degassing bucket 2 from gliding;
B. work as liquid level and degassing bucket difference in height less than 20cm (adjustable value), return and leave bremsbelage 30 by relay ZJC, electromagnetic valve C 31-4 control brake cylinder 28, make its decline by relay ZJB, electromagnetic valve B 31-3 control twin shaft lift cylinder 24, drive motor 13 and degassing bucket 2 drop to difference in height along lifting support litter 21 and equal 20cm (the best degassing position, adjustable value), release and bremsbelage 30 tensioners by relay ZJC, electromagnetic valve C 31-4 control brake cylinder 28, prevent that motor 13 and the degassing bucket 2 from gliding;
Detecting escape pipe 25-5 by photoelectric sensor 25-2 stops up, by the signal transmssion line 25-1 number of delivering a letter to PLC programmable logic controller 31-1, by relay ZJD control stop valve 31-1 sealing admission pipe 25-7, make it no longer air-breathing, rise to cylinder lower fixed frame 23 places by relay ZJA, electromagnetic valve A31-2 control twin shaft lift cylinder 24 drive motors 13 and degassing bucket 2, by relay ZJE, motor contactor 31-6 control motor 13 it is quit work.
Motor overload, motor contactor 31-6 disconnects, the number of delivering a letter is to PLC programmable logic controller 31-1, make it rise to cylinder lower fixed frame 23 places by relay ZJA, electromagnetic valve A31-2 control twin shaft lift cylinder 24, by relay ZJE, motor contactor 31-6 control motor 13 it is quit work.Motor overload switch 31-8.
Press stop key 31-10, PLC programmable logic controller 31-1 makes it rise to cylinder lower fixed frame 23 places by relay ZJA, electromagnetic valve A31-2 control twin shaft lift cylinder 24, by relay ZJE, motor contactor 31-6 control motor 13 it is quit work.
Claims (9)
1. full-automatic degasser, it comprises degassing bucket (2), the lower end of degassing bucket (2) is provided with mud entrance (1), degassing bucket (2) is provided with mud outlet (6), be provided with in the degassing bucket (2) and stir breaker (3), the top that it is characterized in that degassing bucket (2) is provided with air cavity (7), the upper end of degassing bucket (2) is provided with the air intake (8) that communicates with air cavity (7), oil gas intake (9), stir breaker (3) and connect motor (13), degassing bucket (2) flexibly connects lifting and supports litter (21), lifting is supported litter (21) and is connected guide rail location-plate (12), lifting is supported litter (21) and is connected twin shaft lift cylinder (24) with cylinder upper holder (23 ') by cylinder lower fixed frame (23), the following output shaft of twin shaft lift cylinder (24) connects motor (13), cylinder upper holder (23 ') connects bremsbelage (30), the last output shaft of twin shaft lift cylinder (24) connects brake cylinder (28), cylinder upper holder (23 ') is provided with first ultrasonic probe (15), second ultrasonic probe (16), lifting is supported the outer mud that connects of litter (21) and is stopped up checkout gear (25), mud stops up checkout gear (25) and is connected with oil gas intake (9) by PU tracheae (22), mud stops up checkout gear (25) and is connected with automatic water trap (26) by the PU tracheae, twin shaft lift cylinder (24), brake cylinder (28), mud stops up checkout gear (25), motor (13), first ultrasonic probe (15), second ultrasonic probe (16) all connects electrical control gear (31), electrical control gear (31) comprises PLC programmable logic controller (31-1), PLC programmable logic controller (31-1) connects ultrasonic level gage (31-11) respectively, PLC communication module (31-12), signal transmssion line (25-1), motor overload switch (31-8), beginning key (31-9), stop key (31-10), relay ZJA, relay ZJB, relay ZJC, relay ZJD, relay ZJE, ultrasonic level gage (31-11) connects first ultrasonic probe (15), second ultrasonic probe (16), relay ZJA connects electromagnetic valve A (31-2), relay ZJB connects electromagnetic valve B (31-3), electromagnetic valve A (31-2) is connected twin shaft lift cylinder (24) with electromagnetic valve B (31-3), relay ZJC connects electromagnetic valve C (31-4), electromagnetic valve C (31-4) connects brake cylinder (28), relay ZJD connects stop valve (31-5), stop valve (31-5) connects mud and stops up checkout gear (25), relay ZJE connects motor contactor (31-6), motor contactor (31-6) connects motor overload switch (31-8), motor (13), power supply (31-7) connects PLC programmable logic controller (31-1), motor contactor (31-6).
2. a kind of full-automatic degasser according to claim 1 is characterized in that vertically being provided with mud outlet (6) on the bucket wall of described degassing bucket (2), and mud outlet (6) is tangent with the bucket wall of degassing bucket (2).
3. a kind of full-automatic degasser according to claim 1, it is characterized in that described stirring breaker (3) comprises shaft (5), the middle part of shaft (5) is connected and fixed plate (3-3), the two ends of fixed head (3-3) are provided with broken rod (3-4), the lower end of shaft (5) connects drainage impeller (3-2), and drainage impeller (3-2) connects circular stabilization ring (3-5).
4. a kind of full-automatic degasser according to claim 1, it is characterized in that described mud stops up checkout gear (25) and comprises device body (25-6), the upper end of device body (25-6) is provided with escape pipe (25-5), the lower end is provided with admission pipe (25-7), connect seal box (25-3) by cover plate (25-4) in the device body (25-6), be provided with photoelectric sensor (25-2) in the seal box (25-3), photoelectric sensor (25-2) connects signal transmssion line (25-1), the admission pipe (25-7) that mud stops up checkout gear (25) lower end is connected with oil gas intake (9) by PU tracheae (22), and the escape pipe (25-5) that mud stops up checkout gear (25) upper end is connected with automatic water trap (26) by the PU tracheae.
5. a kind of full-automatic degasser according to claim 1 is characterized in that the lower end of described air cavity (7) is provided with mud baffle (4).
6. a kind of full-automatic degasser according to claim 3 is characterized in that described motor (13) and the junction of shaft (5) are provided with oil sealing (11).
7. a kind of full-automatic degasser according to claim 1, the both sides that it is characterized in that described lifting support litter (21) connect machine fixed support (14) by quick-locking device (20), and machine fixed support (14) connects derrick joint pin (17).
8. a kind of full-automatic degasser according to claim 1, the following output shaft that it is characterized in that described twin shaft lift cylinder (24) is connected and fixed bar (33) by shaft coupling (19), and fixed bar (33) connects motor (13) by fixed operating sleeve (18).
9. a kind of full-automatic degasser according to claim 1 is characterized in that described brake cylinder (28) is provided with rubber sheet gasket (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110175523 CN102278105B (en) | 2011-06-27 | 2011-06-27 | Full automatic degassing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110175523 CN102278105B (en) | 2011-06-27 | 2011-06-27 | Full automatic degassing machine |
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| CN102278105A CN102278105A (en) | 2011-12-14 |
| CN102278105B true CN102278105B (en) | 2013-08-21 |
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| CN 201110175523 Expired - Fee Related CN102278105B (en) | 2011-06-27 | 2011-06-27 | Full automatic degassing machine |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005761B (en) * | 2013-02-26 | 2017-02-01 | 中国石油化工股份有限公司 | Underground drilling fluid draining method |
| CN104165654B (en) * | 2014-07-25 | 2017-04-19 | 长城信息产业股份有限公司 | Liquid level detection and flow monitoring apparatus and method based on supersonic wave attenuation principle |
| ES1138872Y (en) * | 2014-12-30 | 2015-07-28 | Ultrasion Sl | Ultrasonic broth degassing device using ultrasound |
| CN104922941B (en) * | 2015-06-26 | 2017-01-25 | 中国石油集团西部钻探工程有限公司 | Floating-ball-type automatic-adjusting electric degasifier |
| CN106194085B (en) * | 2016-09-27 | 2018-08-10 | 吉林大学 | A kind of floating type quantitative degasser |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202165068U (en) * | 2011-06-27 | 2012-03-14 | 胜利油田胜油测录工程技术有限公司 | Automatic degassing machine |
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| FR1587391A (en) * | 1968-09-26 | 1970-03-20 | ||
| CN2758476Y (en) * | 2004-10-12 | 2006-02-15 | 大庆油田有限责任公司 | Automatic height regulation and degassing device for well logging |
| CN2758454Y (en) * | 2004-12-09 | 2006-02-15 | 大庆油田装备制造集团 | Vacuum degassing unit |
| CN2934563Y (en) * | 2006-01-25 | 2007-08-15 | 大港油田集团有限责任公司 | Well port continuous quantitative degasing device |
| CN201510808U (en) * | 2009-09-14 | 2010-06-23 | 聊城市鲁西化工工程设计有限责任公司 | Automatic anti-block separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202165068U (en) * | 2011-06-27 | 2012-03-14 | 胜利油田胜油测录工程技术有限公司 | Automatic degassing machine |
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