CN108190267A - For the edge triple sealing system of External floating roof tank - Google Patents
For the edge triple sealing system of External floating roof tank Download PDFInfo
- Publication number
- CN108190267A CN108190267A CN201810136548.7A CN201810136548A CN108190267A CN 108190267 A CN108190267 A CN 108190267A CN 201810136548 A CN201810136548 A CN 201810136548A CN 108190267 A CN108190267 A CN 108190267A
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- CN
- China
- Prior art keywords
- plate
- elastic
- nut
- bolt
- sealing
- Prior art date
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 79
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 238000012856 packing Methods 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 239000011232 storage material Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002775 capsule Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/34—Large containers having floating covers, e.g. floating roofs or blankets
- B65D88/42—Large containers having floating covers, e.g. floating roofs or blankets with sealing means between cover rim and receptacle
- B65D88/46—Large containers having floating covers, e.g. floating roofs or blankets with sealing means between cover rim and receptacle with mechanical means acting on the seal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/34—Large containers having floating covers, e.g. floating roofs or blankets
- B65D88/42—Large containers having floating covers, e.g. floating roofs or blankets with sealing means between cover rim and receptacle
- B65D88/48—Large containers having floating covers, e.g. floating roofs or blankets with sealing means between cover rim and receptacle with fluid means acting on the seal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of edge triple sealing systems for External floating roof tank, it includes the sealing of filling liquid bellows, plate-type elastic seal, scraper plate elastic packing, filling liquid bellows sealing structure, plate-type elastic seal structure, scraper plate elastic sealing structure, filling liquid bellows are sealed in fixed and filling liquid bellows sealing structure, plate-type elastic seal structure is located at fluid filled sac formula sealing structure top, plate-type elastic seal structure is connected with plate-type elastic seal, scraper plate elastic sealing structure is fixed on plate-type elastic seal structure top end, and scraper plate elastic packing is connected with scraper plate elastic sealing structure.Compact-sized, good seal performance of the invention, reduces the loss of storage material, no security risk, service life is long, and simple installation is quick.
Description
Technical field
The present invention relates to the sealing system of External floating roof tank, more particularly to a kind of three layers of edge for External floating roof tank
Sealing system.
Background technology
Gap between External floating roof tank tank skin and floating roof is the volatile matter of liquid storage at the maximum leakage after liquid storage volatilizees
It is flammable explosive gas or even poisonous and harmful, not only causes the loss of liquid storage, but also there are hidden peril of explosion, and will cause week
The serious pollution of side air since External floating roof tank is without fixed top, can not carry out the recycling of volatile matter, so edge seal system
It is External floating roof tank in part energy saving, that safe and environment-friendly aspect is mostly important, most commonly seen seal form twice both at home and abroad,
It is that compensation ability has including one layer of sponge bellows sealing or one layer of filling liquid bellows sealing and two layers of scraper plate rigid seal, shortcoming
Limit, it is impossible to meet the local large deviation of storage tank, lead to volatilization, while the mechanical mechanism of two layers of scraper plate rigid seal can be complete
Failure causes two layers of sealing function to be lost.
Invention content
The technical problems to be solved by the invention are to provide a kind of edge triple sealing system for External floating roof tank.
The present invention is to solve above-mentioned technical problem by following technical proposals：A kind of edge for External floating roof tank
Triple sealing system, which is characterized in that it includes：The sealing of filling liquid bellows, plate-type elastic seal, scraper plate elastic packing, fluid filled sac
Formula sealing structure, plate-type elastic seal structure, scraper plate elastic sealing structure, the sealing of filling liquid bellows is fixed to tie with the sealing of filling liquid bellows
On structure, plate-type elastic seal structure is located at fluid filled sac formula sealing structure top, plate-type elastic seal structure and plate-type elastic seal
It is connected, scraper plate elastic sealing structure is fixed on plate-type elastic seal structure top end, scraper plate elastic packing and scraper plate elastic packing knot
Structure is connected；
Filling liquid bellows sealing structure includes the sealing of filling liquid bellows, angle steel, pressing plate, bolt, inner floating roof, nut, the sealing of filling liquid bellows
On the outside of inner floating roof, pressing plate is located at filling liquid bellows sealing outside, and bolt is located on the outside of pressing plate, and angle steel is located on the inside of inner floating roof,
Nut is located on the inside of angle steel, and bolts and nuts fix the sealing of filling liquid bellows, angle steel, pressing plate, inner floating roof intermediate；
Plate-type elastic seal structure includes plate-type elastic seal, angle steel, gasket, supporting plate, gasket, gasket, pressing plate, pressure
Item, anti-turnover panel, bolt, nut, silica gel, gasket are located above angle steel, and one end of supporting plate is located above gasket and positioned at plate
Below formula elastic packing, gasket is located above supporting plate, and one end of plate-type elastic seal is between gasket and gasket, pressure
Plate is located above gasket, and the both ends of press strip are fixed on pressing plate, and anti-turnover panel is located at press strip top, and bolt is located on anti-turnover panel
Face, nut are located at below angle steel and with being bolted fixation, and angle steel end is equipped with silica gel；
Scraper plate elastic sealing structure include rubber strip, bolt, anti-turnover panel, bolt, nut, elastic plate, bolt, nut, supporting rod,
Anti- flaps, screw rod, nut, tabletting, nut, protection board, nut, bolt, support chip, diaphragm, bolt, rubber strip are located at screw rod
On, tabletting and anti-flaps are located at the upper and lower both sides of rubber strip, and nut is located at rubber strip upper end, protection board be fixed on nut and nut it
Between, protection board tail end is equipped with bolt, and support chip one end is fixed between bolts and nuts, and the other end of support chip is fixed on bolt
On, nuts and bolt is located at both sides above and below anti-turnover panel and elastic plate one end is fixed on above anti-turnover panel, the other end position of elastic plate
It is fixed on the outside of supporting rod one end and by screw bolt and nut, diaphragm one end is fixed on rubber strip tail end and the other end is fixed on spiral shell
On mother.
Preferably, the filling liquid bellows seal smooth on the outside of its external coated rubber band, and internal filled liquid amount is no more than 50%.
Preferably, the plate-type elastic seal has supporting plate, and outside uses silica gel sealing with angle-bar joint.
Preferably, the rubber strip of the scraper plate elastic packing using weather-proof rubber and is tooth form.
Preferably, the elastic plate of the scraper plate elastic sealing structure is multi-layer board.
Preferably, the screw rod of the scraper plate elastic sealing structure is slideably.
Preferably, the scraper plate elastic packing top is equipped with and leads thunder, static conductive piece.
The positive effect of the present invention is：Compact-sized, the good seal performance of the present invention reduces the damage of storage material
Consumption, no security risk, service life is long, and simple installation is quick.
Description of the drawings
Fig. 1 is the overall structure figure of the triple sealing system of the present invention.
Fig. 2 is the structure diagram of the filling liquid bellows sealing system of the present invention.
Fig. 3 is the structure diagram of the plate-type elastic seal system of the present invention.
Fig. 4 is the structure diagram of the scraper plate resilient sealing system of the present invention.
Specific embodiment
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, with the technical solution that the present invention will be described in detail.
As shown in Figures 1 to 4, the present invention seals for the edge triple sealing system of External floating roof tank including filling liquid bellows
1st, plate-type elastic seal 2, scraper plate elastic packing 3, filling liquid bellows sealing structure 4, plate-type elastic seal structure 5, scraper plate elasticity are close
Seal structure 6, filling liquid bellows seal 1 fixation and in filling liquid bellows sealing structure 4, plate-type elastic seal structure 5 is located at filling liquid bellows
4 top of sealing structure, plate-type elastic seal structure 5 are connected with plate-type elastic seal 2, and scraper plate elastic sealing structure 6 is fixed on plate
5 top of formula elastic sealing structure, scraper plate elastic packing 3 are connected with scraper plate elastic sealing structure 6；
Filling liquid bellows sealing structure 4 includes filling liquid bellows sealing 1, angle steel 7, pressing plate 8, bolt 9, inner floating roof 10, nut 11, fills
Liquid bag type sealing 1 is located at 10 outside of inner floating roof, and pressing plate 8 is located at 1 outside of filling liquid bellows sealing, and bolt 9 is located at 8 outside of pressing plate, angle
Steel 7 is located at 10 inside of inner floating roof, and nut 11 is located at 7 inside of angle steel, and filling liquid bellows are sealed 1, angle steel 7, pressure by bolt 9 with nut 11
Plate 8, inner floating roof 10 fix centre；
Plate-type elastic seal structure 5 includes plate-type elastic seal 2, angle steel 7, gasket 12, supporting plate 13, gasket 14, gasket
15th, pressing plate 16, press strip 17, anti-turnover panel 18, bolt 19, nut 20, silica gel 21, gasket 12 are located above angle steel 7, supporting plate 13
One end is located at gasket 12 above and positioned at 2 lower section of plate-type elastic seal, and gasket 14 is located above supporting plate 13, and board-like elasticity is close
One end of envelope 2 is between gasket 14 and gasket 15, and pressing plate 16 is located above gasket 15, and the both ends of press strip 17 are fixed on
On pressing plate 16, anti-turnover panel 18 is located at 17 top of press strip, and bolt 19 is located above anti-turnover panel 18, nut 20 be located at angle steel 7 below and
Fixation is connect with bolt 19,7 end of angle steel is equipped with silica gel 21；
Scraper plate elastic sealing structure 6 includes rubber strip 3, bolt 9, anti-turnover panel 18, bolt 28, nut 29, elastic plate 31, bolt
32nd, nut 33, supporting rod 34, anti-flaps 35, screw rod 36, nut 37, tabletting 38, nut 39, protection board 40, nut 41, bolt
42nd, support chip 43, diaphragm 44, bolt 20, rubber strip 3 are located on screw rod 36, and tabletting 38 is located at rubber strip about 3 with anti-flaps 35
Both sides, nut 37 are located at 3 upper end of rubber strip, and protection board 40 is fixed between nut 37 and nut 39, and 40 tail end of protection board is equipped with
Bolt 42,43 one end of support chip are fixed between bolt 42 and nut 41, and the other end of support chip 43 is fixed on bolt 9, spiral shell
Mother 29 and bolt 28 are located at anti-turnover panel about 18 both sides and 31 one end of elastic plate is fixed on above anti-turnover panel 18, elastic plate 31 it is another
One end is located on the outside of 34 one end of supporting rod and is fixed by bolt 32 and nut 33, and 44 one end of diaphragm is fixed on 3 tail end of rubber strip
And the other end is fixed on nut 20.
The operation principle of the present invention is as follows：This sealing system uses three-layer sealed first layer to be sealed for filling liquid bellows, passes through
The fluid filled sac that filling liquid bellows seal is fixed on inner floating roof 10 by screw bolt and nut, and pressing plate protection is equipped between bolt and fluid filled sac and is filled
Liquid capsule, while angle steel is fixed on the inside of inner floating roof, second layer sealing is easily installed, ensures covering liquid level, while reduce to two
The pressure of laminated board type elastic sealing structure；The second layer is plate-type elastic seal, and elastic packing plate is fixed on angle steel, and supporting plate is by bullet
Property sealing plate hold up, multilayer gasket is equipped between the bolts and nuts of connection, on the outside equipped with silica gel, ensures its leakproofness；
Third layer is scraper plate elastic packing, is divided among lower platen for rubber strip, and rubber strip and tank skin contact portion are tooth form, bullet
Property plate and support plate rubber strip is propped up rubber strip is fixed on top, diaphragm one end is connect with second layer plate-type elastic seal,
The diaphragm other end is connected to rubber strip outside tank skin and floating roof on the annular space of full class, to spell than the gas evaporation gone out,
To reduce the loss of storage material.Rubber strip is propped up and is fixed on top by elastic plate, support chip and supporting rod, and scraper plate elasticity is close
Seal up protection board of the portion equipped with rain-proof, snow defence, anti-foreign matter etc..
Filling liquid bellows seal it is smooth on the outside of its external coated rubber band, internal filled liquid amount be no more than 50%, ensure covering liquid level, simultaneously
Reduce the pressure to two laminated board type elastic sealing structures.
Plate-type elastic seal has a supporting plate, and outside and angle-bar joint silica gel sealing improve leakproofness, prevent its from
It is leaked in gap.
The rubber strip of scraper plate elastic packing is using weather-proof rubber and is tooth form, and good seal performance, service life are long.
The elastic plate of scraper plate elastic sealing structure is multi-layer board, simple and strong in structure, is not easily broken.
The screw rod of scraper plate elastic sealing structure is easy for installation in operating for slideably.
Scraper plate elastic packing top be equipped with lead thunder, static conductive piece, effectively prevent electrostatic, thunder caused by it is on fire.
In conclusion compact-sized, good seal performance of the invention, reduces the loss of storage material, no security risk uses
Long lifespan, simple installation are quick.
Particular embodiments described above, the technical issues of to the solution of the present invention, technical solution and advantageous effect carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to
The present invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection domain of invention.
Claims (7)
1. a kind of edge triple sealing system for External floating roof tank, which is characterized in that it includes filling liquid bellows and seals, is board-like
Elastic packing, scraper plate elastic packing, filling liquid bellows sealing structure, plate-type elastic seal structure, scraper plate elastic sealing structure, filling liquid
Bellows are sealed in fixed and filling liquid bellows sealing structure, and plate-type elastic seal structure is located at fluid filled sac formula sealing structure top, plate
Formula elastic sealing structure is connected with plate-type elastic seal, and scraper plate elastic sealing structure is fixed on plate-type elastic seal structure top end,
Scraper plate elastic packing is connected with scraper plate elastic sealing structure；
Filling liquid bellows sealing structure includes the sealing of filling liquid bellows, angle steel, pressing plate, bolt, inner floating roof, nut, the sealing of filling liquid bellows
On the outside of inner floating roof, pressing plate is located at filling liquid bellows sealing outside, and bolt is located on the outside of pressing plate, and angle steel is located on the inside of inner floating roof,
Nut is located on the inside of angle steel, and bolts and nuts fix the sealing of filling liquid bellows, angle steel, pressing plate, inner floating roof intermediate；
Plate-type elastic seal structure includes plate-type elastic seal, angle steel, gasket, supporting plate, gasket, gasket, pressing plate, pressure
Item, anti-turnover panel, bolt, nut, silica gel, gasket are located above angle steel, and one end of supporting plate is located above gasket and positioned at plate
Below formula elastic packing, gasket is located above supporting plate, and one end of plate-type elastic seal is between gasket and gasket, pressure
Plate is located above gasket, and the both ends of press strip are fixed on pressing plate, and anti-turnover panel is located at press strip top, and bolt is located on anti-turnover panel
Face, nut are located at below angle steel and with being bolted fixation, and angle steel end is equipped with silica gel；
Scraper plate elastic sealing structure include rubber strip, bolt, anti-turnover panel, bolt, nut, elastic plate, bolt, nut, supporting rod,
Anti- flaps, screw rod, nut, tabletting, nut, protection board, nut, bolt, support chip, diaphragm, bolt, rubber strip are located at screw rod
On, tabletting and anti-flaps are located at the upper and lower both sides of rubber strip, and nut is located at rubber strip upper end, protection board be fixed on nut and nut it
Between, protection board tail end is equipped with bolt, and support chip one end is fixed between bolts and nuts, and the other end of support chip is fixed on bolt
On, nuts and bolt is located at both sides above and below anti-turnover panel and elastic plate one end is fixed on above anti-turnover panel, the other end position of elastic plate
It is fixed on the outside of supporting rod one end and by screw bolt and nut, diaphragm one end is fixed on rubber strip tail end and the other end is fixed on spiral shell
On mother.
2. the edge triple sealing system according to claim 1 for External floating roof tank, which is characterized in that the filling liquid
Bellows seal smooth on the outside of its external coated rubber band.
3. the edge triple sealing system according to claim 1 for External floating roof tank, which is characterized in that described board-like
Elastic packing has supporting plate, and outside uses silica gel sealing with angle-bar joint.
4. the edge triple sealing system according to claim 1 for External floating roof tank, which is characterized in that the scraper plate
The rubber strip of elastic packing is using weather-proof rubber and is tooth form.
5. the edge triple sealing system according to claim 1 for External floating roof tank, which is characterized in that the scraper plate
The elastic plate of elastic sealing structure is multi-layer board.
6. the edge triple sealing system according to claim 1 for External floating roof tank, which is characterized in that the scraper plate
The screw rod of elastic sealing structure is slideably.
7. the edge triple sealing system according to claim 1 for External floating roof tank, which is characterized in that the scraper plate
Elastic packing top is equipped with and leads thunder, static conductive piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810136548.7A CN108190267A (en) | 2018-02-09 | 2018-02-09 | For the edge triple sealing system of External floating roof tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810136548.7A CN108190267A (en) | 2018-02-09 | 2018-02-09 | For the edge triple sealing system of External floating roof tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108190267A true CN108190267A (en) | 2018-06-22 |
Family
ID=62592983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810136548.7A Pending CN108190267A (en) | 2018-02-09 | 2018-02-09 | For the edge triple sealing system of External floating roof tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108190267A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409963A (en) * | 2020-04-20 | 2020-07-14 | 安庆特种橡塑股份有限公司 | Double-layer elastic plate structure for full-compensation elastic sealing of floating roof storage tank and installation method |
| CN114104544A (en) * | 2022-01-24 | 2022-03-01 | 上原石化设备(常州)有限公司 | Storage tank VOCs synthesizes treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5746782A (en) * | 1980-08-28 | 1982-03-17 | Chiyoda Chem Eng Construct Co | Sealing mechanism for floating roof of tank |
| US6354488B1 (en) * | 2000-08-01 | 2002-03-12 | Chicago Bridge & Iron Company | Secondary seal for floating roof storage tank |
| CN203682276U (en) * | 2014-01-17 | 2014-07-02 | 安庆市特种橡塑制品有限责任公司 | Lapping-leaning static electricity guiding device of secondary seal device for floating disc in oil tank |
| TWM530808U (en) * | 2016-05-27 | 2016-10-21 | Float Tek Internat Co Ltd | Pressure plate-type elastic sealing device for oil tank floating roof |
| CN106219081A (en) * | 2016-08-30 | 2016-12-14 | 吴戈 | Compress board-like anti-lightning strike oil storage tank once sealing device |
| CN205855027U (en) * | 2016-08-11 | 2017-01-04 | 连云港铸邦机械设备有限公司 | A kind of oil tank connects liquid box floating plate side sealing apparatus entirely |
| CN206384387U (en) * | 2016-11-04 | 2017-08-08 | 上海宝翠鑫国际贸易有限公司 | A kind of board-like cross-elasticity sealing device of compensation entirely for oil storage tank exterior float disc |
-
2018
- 2018-02-09 CN CN201810136548.7A patent/CN108190267A/en active Pending
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|---|---|---|---|---|
| JPS5746782A (en) * | 1980-08-28 | 1982-03-17 | Chiyoda Chem Eng Construct Co | Sealing mechanism for floating roof of tank |
| US6354488B1 (en) * | 2000-08-01 | 2002-03-12 | Chicago Bridge & Iron Company | Secondary seal for floating roof storage tank |
| CN203682276U (en) * | 2014-01-17 | 2014-07-02 | 安庆市特种橡塑制品有限责任公司 | Lapping-leaning static electricity guiding device of secondary seal device for floating disc in oil tank |
| TWM530808U (en) * | 2016-05-27 | 2016-10-21 | Float Tek Internat Co Ltd | Pressure plate-type elastic sealing device for oil tank floating roof |
| CN205855027U (en) * | 2016-08-11 | 2017-01-04 | 连云港铸邦机械设备有限公司 | A kind of oil tank connects liquid box floating plate side sealing apparatus entirely |
| CN106219081A (en) * | 2016-08-30 | 2016-12-14 | 吴戈 | Compress board-like anti-lightning strike oil storage tank once sealing device |
| CN206384387U (en) * | 2016-11-04 | 2017-08-08 | 上海宝翠鑫国际贸易有限公司 | A kind of board-like cross-elasticity sealing device of compensation entirely for oil storage tank exterior float disc |
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| 方小芳等: "用于外浮顶油罐的BSMF型二次密封" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409963A (en) * | 2020-04-20 | 2020-07-14 | 安庆特种橡塑股份有限公司 | Double-layer elastic plate structure for full-compensation elastic sealing of floating roof storage tank and installation method |
| CN114104544A (en) * | 2022-01-24 | 2022-03-01 | 上原石化设备(常州)有限公司 | Storage tank VOCs synthesizes treatment system |
| CN114104544B (en) * | 2022-01-24 | 2022-04-15 | 上原石化设备(常州)有限公司 | Storage tank VOCs synthesizes treatment system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20180622 |