CN203682245U - Draining device for accumulated oil on surface of floating plate in oil tank - Google Patents
Draining device for accumulated oil on surface of floating plate in oil tank Download PDFInfo
- Publication number
- CN203682245U CN203682245U CN201420032296.0U CN201420032296U CN203682245U CN 203682245 U CN203682245 U CN 203682245U CN 201420032296 U CN201420032296 U CN 201420032296U CN 203682245 U CN203682245 U CN 203682245U
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- Prior art keywords
- floating plate
- oil
- oil tank
- valve base
- envelope chamber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000007667 floating Methods 0.000 title claims abstract description 83
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 238000005086 pumping Methods 0.000 claims description 40
- 239000000446 fuel Substances 0.000 claims description 29
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 17
- 239000003921 oil Substances 0.000 description 119
- 230000000694 effects Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model belongs to the technical field of oil storage equipment, and particularly relates to a draining device for accumulated oil on the surface of a floating plate in an oil tank. The draining device is embedded in the floating plate in the oil tank and recycles the oil on the floating plate into the portion, on the lower portion of the floating plate, of the oil tank. An inlet portion for the oil on the floating plate to enter an inner sealed chamber is formed in one end of the inner sealed chamber, an outlet portion for the oil in the inner sealed chamber to enter the oil tank is formed in the other end of the inner sealed chamber, and an adjusting mechanism controlling opening and closing of the outlet portion is arranged in the inner sealed chamber. The draining device comprises an upper valve seat arranged on the upper side of the inlet portion of the inner sealed chamber and used for filtering impurities of the oil to enter the inner sealed chamber. According to the draining device, the accumulated oil is recovered into the oil tank so that the floating plate can not be polluted by oil stains on the premise of not influencing the sealing performance of the floating plate. In addition, due to the filtering function of the upper valve seat, before the oil on the floating plate enters the oil tank, the impurities of the oil are filtered out, so that normal work of the draining device is guaranteed, and pollution to the oil in the oil tank is reduced.
Description
Technical field
The utility model belongs to oil product storage equipment technical field, specifically relates to the pumping equipment of floating plate surface trapped fuel in a kind of oil tank.
Background technology
In prior art, for reducing the volatilization of medium (as oil product) in oil tank, reduce the wastage, save the energy, protection of the environment, conventionally can in oil tank, set up floating plate.Floating plate makes it covering on oil product liquid level of with oil product liquid level lifting in oil tank lifting by buoyancy, by floating plate is installed, plays sealed storage medium, reduces medium temperature, to reach the effect of saving the energy, protection of the environment.This equipment is widely used in petrochemical complex unit in all parts of the country, each major oil companies of PetroChina Company Limited. of China Petrochemical Industry and refinery, port and pier, traffic, power plant and army rear service department.
But, because floating plate is hedged off from the outer world the oil product in oil tank, there is a certain amount of trapped fuel above floating plate time, the trapped fuel on floating plate cannot be removed, then cause floating plate to be polluted by oil product, also because the existence of greasy dirt brings a series of risks such as fire even explodes.Even if be recycled, the trapped fuel on floating plate may be infected with the impurity such as granular substance, if it is directly returned to oil tank, will certainly cause the pollution of oil product in oil tank, also can have influence on the normal operation of other installations and facilities in oil tank simultaneously.
Therefore, how the trapped fuel on floating plate is recycled in oil tank with guarantee floating plate not by oil pollution, how be those skilled in the art assistant officer's problem to be solved realizing the sealing property, the filtering that how to realize trapped fuel impurity in the time reclaiming etc. that do not affect again floating plate in reclaiming.
Utility model content
The purpose of this utility model is to provide the pumping equipment of floating plate surface trapped fuel in a kind of oil tank, this pumping equipment is recycled to the trapped fuel on floating plate in oil tank, to guarantee that floating plate is not by oil pollution, not because the existence of greasy dirt brings a series of risks such as fire even explodes, do not affect again the sealing property of floating plate simultaneously.In addition, make oil product on floating plate before entering oil tank by the filtering function of upper valve base, the impurity wherein containing is carried out to filtering, both guaranteed the normal work of pumping equipment, alleviated again the pollution of oil product in oil tank.
For achieving the above object, the utility model has adopted following technical scheme: the pumping equipment of floating plate surface trapped fuel in a kind of oil tank, be embedded in the floating plate in oil tank, and by the Oil Recovery on floating plate, to the oil tank of floating plate bottom, this pumping equipment comprises:
Interior envelope chamber, its one end has oil product on the floating plate of confession and enters the inlet portion of interior envelope chamber interior, and the other end has one and enters the export department in oil tank for the oil product of interior envelope chamber interior, the indoor adjusting mechanism with this export department's switching of a control of described interior envelope;
Upper valve base, be arranged at interior envelope chamber inlet portion upside, the oil product that is about to enter in interior envelope chamber is carried out to impurity filtering.
The utility model can also further be implemented by the following technical programs:
Further, described interior envelope chamber comprises a cylindrical shell, the bottom of inner barrel is provided with an interior envelope chamber pedestal being run through by export department, this export department is cylindric, interior envelope chamber pedestal has one up big and down small and be the conical surface of coaxial setting with the axis of export department near a side of interior envelope chamber inlet portion, described adjusting mechanism is made as and fits on this conical surface and its bottom covers the spherical float of described export department.
Preferably, the described conical surface is provided with the copper covering being evenly arranged.
Further, described upper valve base comprises a ringwise filter screen, be placed in filter screen bottom and the off line ring that is fixed by the first bolt, be placed in off line ring bottom the upper valve base flange affixed with it, in this upper valve base flange, offer run through its body and be communicated with in the first through hole of envelope chamber inlet portion.
Preferably, on described off line ring, be evenly equipped with along its axis direction the aperture that some bore dias are 4～6mm, the aperture of described filter screen is 4～6mm × 4～6mm.
Further, the top of described filter screen is provided with the upper wire loop of top seal, bottom end opening, and the outside of described filter screen is provided with the some wing plates uniform along its axis direction, and the end of this wing plate and upper wire loop and off line ring are affixed.
Further, this pumping equipment also comprises the lower valve base for connecting upper valve base and interior envelope chamber, this lower valve base comprises the lower valve base body that axial cross section is T-shaped, the top of lower valve base body is affixed by the second bolt and upper valve base flange, the bottom of lower valve base body has the outside thread matching with the negative thread that is arranged at interior envelope chamber inlet portion's cylindrical shell inner side, lower valve base body offers the second through hole that is communicated with the first through hole, the bottom of described the second through hole is provided with seal ring, and spherical float fits in seal ring bottom side and covers described the second through hole while floating to top in interior envelope chamber.
Further, on described floating plate, be provided with liquid supplying and draining device and embed the cavity of installing, the lower valve base body of lower valve base is placed on floating plate surface, and the cylindrical shell of interior envelope chamber fits in the inwall of described cavity, and the contact site pad between lower valve base body, cylindrical shell and floating plate is provided with rubber sheet gasket.
Preferably, described upper valve base, lower valve base and interior envelope chamber all adopt stainless steel to make, and described rubber sheet gasket and seal ring all adopt government rubber material to make.
The pumping equipment of floating plate surface trapped fuel in oil tank of the present utility model, its beneficial effect shows:
1), the pumping equipment of floating plate surface trapped fuel in oil tank of the present utility model, the adjusting mechanism that has a control export department to open and close in interior envelope indoor design, can realize oil product enters in oil tank by interior envelope chamber, can realize again oil product in oil tank can not overflow to floating plate surface by this interior envelope chamber is counter, simultaneously, also play the effect of sealing, prevented that oil product from evaporating into the outside loss that causes oil product of oil tank by this interior envelope chamber.
2), the pumping equipment of floating plate surface trapped fuel in oil tank of the present utility model, by design upper valve base, make oil product on floating plate before entering oil tank, the impurity wherein containing is carried out to filtering, both guarantee the normal work of pumping equipment, alleviated again the pollution of oil product in oil tank.
3), the pumping equipment of floating plate surface trapped fuel in oil tank of the present utility model, embed by design liquid supplying and draining device on floating plate the cavity of installing, thereby be convenient to the installation of pumping equipment.Meanwhile, the contact site pad between lower valve base body, cylindrical shell and floating plate is provided with rubber sheet gasket.Rubber sheet gasket preferably adopts government rubber to be made, and has good oil resistance and sealing, can guarantee the sealing between floating plate and pumping equipment main body, to prevent the volatilization of oil gas.
4), the pumping equipment of floating plate surface trapped fuel in oil tank of the present utility model, its upper valve base, lower valve base and interior envelope chamber all adopt corrosion-resistant steel to make.Adopt stainless steel can avoid the generation of the bad phenomenon such as corrosion, corrosion of pumping equipment, guarantee the function of pumping equipment, eliminate the risk of oil tank, reduced the labour intensity of safeguarding, and stainless steel ratio has been if the materials such as carbon steel are from having seemed in appearance more attractive in appearance.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, preferred implementation of the present utility model is done to further, detailed description, in accompanying drawing:
Fig. 1 is the structural representation of the pumping equipment of floating plate surface trapped fuel in the oil tank of the utility model one preferred implementation.
Fig. 2 is the constitution diagram of oil product while passing through pumping equipment shown in Fig. 1, and in figure, arrow shows oil product on floating plate and enters the motion path in oil tank.
In figure, the implication of Reference numeral is as follows:
21-upper wire loop 22-filter screen
The off line ring of 23-wing plate 24-25-upper valve base flange
26-aperture 27-the first bolt
31-lower valve base body 32-seal ring 33-the second bolt
Envelope chamber pedestal in 41-cylindrical shell 42-
43-conical surface 44-export department
50-floating plate 60-spherical float 70-rubber sheet gasket
The specific embodiment
Please first consult Fig. 1 and 2, in a kind of oil tank, the pumping equipment of floating plate surface trapped fuel, is made up of upper valve base, lower valve base and interior envelope chamber.
Residue in oil product (greasy dirt) on floating plate 50 in the time being recycled to oil tank, owing to containing partial impurities in oil product, enter the pollution that both can cause oil tank oil in oil tank, can have influence on again the normal operation of other installations and facilities in oil tank.Therefore, the oil product on floating plate 50, before entering oil tank, need to filter, and upper valve base plays the effect of filtering and impurity removing matter just, has both guaranteed the normal work of pumping equipment, has alleviated again the pollution of oil product in oil tank.
Upper valve base comprises a ringwise filter screen 22, be placed in filter screen 22 bottoms and the off line ring 24 that is fixed by the first bolt 27, be placed in off line ring 24 bottoms the upper valve base flange 25 affixed with it, in this upper valve base flange 25, offer run through its body and be communicated with in the first through hole of envelope chamber inlet portion.
In order to improve the installation strength of filter screen, be provided with the upper wire loop 21 of top seal, bottom end opening on the top of filter screen 22, the outside of filter screen 22 is provided with the some wing plates 23 uniform along its axis direction, and the end of this wing plate 23 and upper wire loop 21 and off line ring 24 are affixed.In addition, on off line ring 24, be evenly equipped with 8 apertures 26 along its axis direction.
After oil product filters out impurities by the filter screen 22 of upper valve base, need to enter in oil tank through a passage, now, will cause new problem, this passage needs to realize oil product and enters in oil tank, can realize again oil product in oil tank and can not be spilled over to floating plate 50 surfaces from this passage, also will play the effect of sealing, prevent that oil product from evaporating into the loss that causes oil product in environment by this passage.So the utility model has designed a kind of interior envelope chamber, can realize this technical matters.
One end of interior envelope chamber has an inlet portion, this inlet portion is connected with the first through hole being arranged on upper valve base flange 25, the other end has one and enters the export department 44 in oil tank for the oil product of interior envelope chamber interior, and meanwhile, this interior envelope is indoor has the adjusting mechanism that this export department 44 of a control opens and closes.This adjusting mechanism can design according to prior art, its effect of playing is: can realize oil product and enter in oil tank by interior envelope chamber, can realize again in oil tank oil product can be from this interior envelope chamber counter overflowing to floating plate 50 surfaces, simultaneously, also to play the effect of sealing, prevent that oil product from evaporating into the loss that causes oil product in environment by this passage.
Interior envelope chamber comprises a cylindrical shell 41, and the bottom of cylindrical shell 41 inside is provided with an interior envelope chamber pedestal 42 being run through by export department 44, and both are welded to connect cylindrical shell 41 and interior envelope chamber pedestal 42.In order better to realize the function of above-mentioned adjusting mechanism, first export department 44 is designed to cylindric, interior envelope chamber pedestal 42 has one up big and down small and be the conical surface 43 of coaxial setting with the axis of export department 44 near a side of interior envelope chamber inlet portion, on the conical surface 43, be placed with spherical float 60, when oil product in cylindrical shell 41 does not enter in oil tank, the bottom cover of this spherical float 60 is combined on export department 44.
Spherical float 60 is hollow thin-wall corrosion-resistant steel spheroid, and lighter weight fluctuates freely interior envelope is indoor.When the interior oil product of cylindrical shell 41 builds up to when a certain amount of, when the buoyancy that oil product offers spherical float 60 will be greater than himself weight, spherical float 60 floats, and export department 44 can open, and oil product enters in oil tank from this export department 44.When the buoyancy that offers spherical float 60 when oil product is no longer greater than himself weight, spherical float 60 will keep covering this export department 44, to play the effect of sealing, and prevents the volatilization of oil product in oil tank.
The filtering function that above-mentioned upper valve base plays also has the effect of other one side, due to the bottom of spherical float 60 with just in time can fit on the conical surface 43, when entering oil product in cylindrical shell 41 when filtering, if its impurity containing is oversize, will block spherical float 60, thereby impact to the sealing property of spherical float 60.
Because the conical surface 43 is own, through fine limit work, roughness of surface is very little, seals tight can guarantee spherical float 60 with its laminating time, meanwhile, on the conical surface 43, being also provided with the copper covering being evenly arranged, is also that the conical surface 43 adopts bit copper processing, and its object is to prevent fire equivalent risk.If herein without bit copper processing, although sealing effectiveness is unaffected, but, once it is (especially unstable at oil tank level that the spherical float 60 of interior envelope chamber pedestal 42 and stainless steel clashes into, while there is fluctuation, spherical float 60 is very easily beated cylindrical shell 41 is interior) just likely produce spark, bring great risk to oil tank.
Lower valve base, mainly plays the function that connects upper valve base and interior envelope chamber, and it comprises the lower valve base body 31 that axial cross section is T-shaped, and the top of lower valve base body 31 is affixed with upper valve base flange 25 by the second bolt 33, thereby realizes the installation between this lower valve base and upper valve base.This second bolt 33 is also furnished with government rubber pad, to prevent the volatilization of oil gas.The bottom of lower valve base body 31 has the outside thread matching with the negative thread that is arranged at interior envelope chamber inlet portion's cylindrical shell 41 inner sides, thereby realizes the installation between this lower valve base and interior envelope chamber.
In lower valve base body 31, offer the second through hole that runs through its body, this second through hole is communicated with the inlet portion of the first through hole and interior envelope chamber, the bottom (near a side of interior envelope chamber) of the second through hole is provided with seal ring 32, the material of sealing circle 32 preferably adopts government rubber to be made, there is good fuel resistance and sealing property, in the time that spherical float 60 floats to top in interior envelope chamber, its top fits in seal ring 32 bottom sides, and just in time can cover the second through hole.
On floating plate 50, be provided with liquid supplying and draining device and embed the cavity of installing, the lower valve base body 31 of lower valve base is placed on floating plate 50 surfaces, the cylindrical shell 41 of interior envelope chamber fits in the inwall of cavity, and the contact site pad between lower valve base body 31, cylindrical shell 41 and floating plate 50 is provided with rubber sheet gasket 70.Rubber sheet gasket 70 preferably adopts government rubber to be made, and has good oil resistance and sealing, and it is mainly the sealing guaranteeing between floating plate 50 and pumping equipment main body, prevents the volatilization of oil gas.
In addition, the pumping equipment of floating plate surface trapped fuel in oil tank of the present utility model, its upper valve base, lower valve base and interior envelope chamber all adopt corrosion-resistant steel to make.Adopt stainless steel can avoid the generation of the bad phenomenon such as corrosion, corrosion of pumping equipment, guarantee the function of pumping equipment, eliminate the risk of oil tank, reduced the labour intensity of safeguarding, and stainless steel ratio has been if the materials such as carbon steel are from having seemed in appearance more attractive in appearance.
See also Fig. 2, the pumping equipment of floating plate surface trapped fuel in oil tank of the present utility model, its working process is as follows:
In the time not drenching oil on floating plate, pumping equipment is when until running state, and spherical float drops on the conical surface of interior envelope chamber pedestal, keeps sealing state, has stoped the volatilization of oil gas.
When there being the oil of pouring on floating plate, and oil mass is when little, drenches oil and flows in interior envelope chamber by 8 uniform apertures on off line ring; If oil mass is excessive, when 8 apertures can not be dredged interior envelope chamber by pouring oil timely, drench the oily envelope chamber in filter screen flows into, top that can cross off line ring.
This process is the process of a coarse filtration, no matter drench oil and from the aperture of off line ring, flow into interior envelope chamber, all will be through coarse filtration or overflow to interior envelope chamber from the upper edge of upper wire loop, because the diameter of aperture is very little, in 5mm left and right, filter screen is 5 object corrosion-resistant steel wire nets, and the spacing of every steel wire also only has 5mm left and right.After coarse filtration, large contaminant filter is fallen, both guaranteed the normal work of pumping equipment, the pollution that has also alleviated crude oil.
Pouring oil can be in the indoor accumulation of interior envelope after entering interior envelope chamber, when running up to when a certain amount of, when the buoyancy that the crude oil of accumulation offers spherical float is greater than floating ball, ball float starts floating, drench the export department of oil from the pedestal of interior envelope chamber and flow in oil tank, after buoyancy is less than floating ball, ball float will fall and again seals up.
In addition, in the time that the liquid level of oil product in oil tank changes or fluctuates, (this situation is few, generally in the time of oil tank turnover oil, may occur while there is resonance or when unexpected stronger vibrations), spherical float can rise with liquid level, and withstand seal ring, thereby reach the effect of sealing, oil product can not overflow to floating plate from the second through hole is counter.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (9)
1. a pumping equipment for floating plate surface trapped fuel in oil tank, is embedded in the floating plate (50) in oil tank, and the Oil Recovery on floating plate (50), to the oil tank of floating plate (50) bottom, be is characterized in that to this pumping equipment comprises:
Interior envelope chamber, its one end has oil product on the floating plate of confession (50) and enters the inlet portion of interior envelope chamber interior, the other end has one and enters the export department (44) in oil tank for the oil product of interior envelope chamber interior, the indoor adjusting mechanism with this export department of a control (44) switching of described interior envelope;
Upper valve base, be arranged at interior envelope chamber inlet portion upside, the oil product that is about to enter in interior envelope chamber is carried out to impurity filtering.
2. the pumping equipment of floating plate surface trapped fuel in oil tank according to claim 1, it is characterized in that: described interior envelope chamber comprises a cylindrical shell (41), the inner bottom of cylindrical shell (41) is provided with an interior envelope chamber pedestal (42) being run through by export department (44), this export department (44) is cylindric, interior envelope chamber pedestal (42) has one up big and down small and be the conical surface (43) of coaxial setting with the axis of export department (44) near a side of interior envelope chamber inlet portion, described adjusting mechanism is made as the spherical float (60) that fits on this conical surface (43) and cover described export department (44) bottom it.
3. the pumping equipment of floating plate surface trapped fuel in oil tank according to claim 2, is characterized in that: the described conical surface (43) is provided with the copper covering being evenly arranged.
4. the pumping equipment of floating plate surface trapped fuel in oil tank according to claim 2, it is characterized in that: described upper valve base comprises a ringwise filter screen (22), is placed in filter screen (22) bottom the off line ring (24) being fixed by the first bolt (27), is placed in off line ring (24) bottom the upper valve base flange (25) affixed with it, offers the first through hole that runs through envelope chamber inlet portion in its body connection in this upper valve base flange (25).
5. the pumping equipment of floating plate surface trapped fuel in oil tank according to claim 4, it is characterized in that: described off line ring (24) is upper is evenly equipped with the aperture that some bore dias are 4～6mm (26) along its axis direction, and the aperture of described filter screen (22) is 4～6mm × 4～6mm.
6. the pumping equipment of floating plate surface trapped fuel in oil tank according to claim 4, it is characterized in that: the top of described filter screen (22) is provided with the upper wire loop (21) of top seal, bottom end opening, the outside of described filter screen (22) is provided with the some wing plates (23) uniform along its axis direction, and the end of this wing plate (23) and upper wire loop (21) and off line ring (24) are affixed.
7. the pumping equipment of floating plate surface trapped fuel in oil tank according to claim 4, it is characterized in that: this pumping equipment also comprises the lower valve base for connecting upper valve base and interior envelope chamber, this lower valve base comprises the lower valve base body (31) that axial cross section is T-shaped, the top of lower valve base body (31) is affixed by the second bolt (33) and upper valve base flange (25), the bottom of lower valve base body (31) has the outside thread matching with the negative thread that is arranged at interior envelope chamber inlet portion's cylindrical shell (41) inner side, lower valve base body (31) offers the second through hole that is communicated with the first through hole, the bottom of described the second through hole is provided with seal ring (32), spherical float (60) fits in seal ring (32) bottom side and covers described the second through hole while floating to top in interior envelope chamber.
8. the pumping equipment of floating plate surface trapped fuel in oil tank according to claim 7, it is characterized in that: on described floating plate (50), be provided with liquid supplying and draining device and embed the cavity of installing, the lower valve base body (31) of lower valve base is placed on floating plate (50) surface, the cylindrical shell (41) of interior envelope chamber fits in the inwall of described cavity, and the contact site pad between lower valve base body (31), cylindrical shell (41) and floating plate (50) is provided with rubber sheet gasket (70).
9. the pumping equipment of floating plate surface trapped fuel in oil tank according to claim 8, it is characterized in that: described upper valve base, lower valve base and interior envelope chamber all adopt stainless steel to make, described rubber sheet gasket (70) and seal ring (32) all adopt government rubber material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032296.0U CN203682245U (en) | 2014-01-17 | 2014-01-17 | Draining device for accumulated oil on surface of floating plate in oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032296.0U CN203682245U (en) | 2014-01-17 | 2014-01-17 | Draining device for accumulated oil on surface of floating plate in oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203682245U true CN203682245U (en) | 2014-07-02 |
Family
ID=51004184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420032296.0U Expired - Lifetime CN203682245U (en) | 2014-01-17 | 2014-01-17 | Draining device for accumulated oil on surface of floating plate in oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203682245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777152A (en) * | 2021-01-15 | 2021-05-11 | 王清 | Streamline float type emergency drainage device |
-
2014
- 2014-01-17 CN CN201420032296.0U patent/CN203682245U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777152A (en) * | 2021-01-15 | 2021-05-11 | 王清 | Streamline float type emergency drainage device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 246005 Anhui Anqing Development Zone 1.3 square kilometers development enterprise Industrial Park Patentee after: ANQING SPECIAL RUBBER & PLASTIC Co.,Ltd. Address before: 246005 Anhui Anqing Development Zone 1.3 square kilometers development enterprise Industrial Park Patentee before: ANQING SPECIAL RUBBER & PLASTIC PRODUCTS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
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| CX01 | Expiry of patent term |