CN214790462U - Chemical plant outsourcing liquid hydrocarbon unloading system - Google Patents
Chemical plant outsourcing liquid hydrocarbon unloading system Download PDFInfo
- Publication number
- CN214790462U CN214790462U CN202120993615.4U CN202120993615U CN214790462U CN 214790462 U CN214790462 U CN 214790462U CN 202120993615 U CN202120993615 U CN 202120993615U CN 214790462 U CN214790462 U CN 214790462U
- Authority
- CN
- China
- Prior art keywords
- liquefied hydrocarbon
- valve
- unloading
- loading
- tank
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- Withdrawn - After Issue
Links
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 94
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 94
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 91
- 239000000126 substance Substances 0.000 title claims abstract description 25
- 238000012946 outsourcing Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 title claims abstract description 10
- 239000006200 vaporizer Substances 0.000 claims abstract description 15
- 239000007791 liquid phase Substances 0.000 claims abstract description 14
- 230000008016 vaporization Effects 0.000 claims abstract description 9
- 238000009834 vaporization Methods 0.000 claims abstract description 8
- 239000012071 phase Substances 0.000 claims description 27
- 230000005501 phase interface Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 8
- 239000007792 gaseous phase Substances 0.000 abstract 4
- 239000007789 gas Substances 0.000 description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000007599 discharging Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a chemical plant outsourcing liquid hydrocarbon system of unloading, including liquefied hydrocarbon spherical tank, liquefied hydrocarbon loading pump, loading ooff valve, oil filling riser stand, gaseous phase joint, liquid phase joint, liquefied hydrocarbon tank wagon, balance valve, gaseous phase valve, cross-over connection valves, vaporization valves, vaporizer, gaseous phase valves, the compressor inlet valve of unloading, the compressor outlet valves of unloading and the valves of entering the tank are constituteed, liquefied hydrocarbon spherical tank lower part feed end passes through the pipe and is connected with liquefied hydrocarbon loading pump, gaseous phase joint and liquid phase joint set up respectively in oil filling riser stand both ends, liquefied hydrocarbon loading pump is connected with the oil filling riser stand. The utility model discloses can improve the current takeaway liquefied hydrocarbon loading system of chemical enterprise to make the loading system possess the function of unloading, thereby need not additionally construct the crane pipe system of unloading, reduce the area of land for enterprise, reduce the engineering investment of enterprise, for the newly-built project of enterprise throw the material for the first time and try on the car successfully provide basic guarantee, reduce the investment cost of enterprise.
Description
Technical Field
The utility model relates to a petrochemical or coal chemical industry liquefied hydrocarbon production or storage technical field especially relate to one kind and improve current liquefied hydrocarbon takeaway loading system to realize that current liquefied hydrocarbon loading system does and purchase the liquefied hydrocarbon and unload.
Background
In petrochemical industry or coal chemical industry, various liquefied hydrocarbon products produced by production devices are often stored in liquefied hydrocarbon storage tank areas, and the products can be finally loaded and sold through loading trestles built by enterprises so as to realize profit. And these chemical enterprises still need to purchase a batch of liquefied hydrocarbon outward before the original chemical industry is thrown the material and is used for throwing the material and try on a trial run, if be used for rectifying system total reflux in order to shorten first time and throw the material success time, reduce the raw materials extravagant, again if the refrigerant compressor need fill in advance a large amount of refrigerant chemicals in order to provide the cold source for rectifying system in advance, shorten the time of starting a work. Most enterprises usually build an independent unloading crane pipe system in order to realize that the outsourcing liquefied hydrocarbon is loaded into a tank area spherical tank for the first time of feeding, and the unloading crane pipe and the tank area have the requirement of safe distance, and generally build a region far away from the tank area, so that the occupied area is large, the investment is large, and the unloading crane pipe system is only used once when the material is fed for the first time and the vehicle is tested, so that the investment waste is serious, and the production cost of the enterprises is invisibly improved.
SUMMERY OF THE UTILITY MODEL
The device aims to solve the problems that when chemical enterprises in the fields of petrochemical industry or coal chemical industry feed in the original chemical industry, in order to discharge outsourcing liquefied hydrocarbon into a tank field, an additional unloading crane pipe system needs to be built, and the investment cost of the enterprises is high. The utility model provides a current takeaway liquefied hydrocarbon loading system to chemical enterprise improves to make the loading system possess the function of unloading, thereby need not additionally construct the crane pipe system of unloading, reduce the area of land for enterprise, reduce the engineering investment of enterprise, throw the material for the enterprise newly-built project for the first time and try on the car successfully provides basic guarantee.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a chemical plant outsourcing liquid hydrocarbon system of unloading, includes liquefied hydrocarbon ball jar, liquefied hydrocarbon loading pump, loading ooff valve, oil filling riser stand, gas phase joint, liquid phase joint, liquefied hydrocarbon tank wagon, balance valve, gas phase valve, cross-over connection valves, vaporization valves, vaporizer, gas phase valves, the compressor inlet valve of unloading, the compressor outlet valve group of unloading and the valves of entering jar are constituteed, liquefied hydrocarbon ball jar lower part feed end is connected with liquefied hydrocarbon loading pump through the pipe, gas phase joint and liquid phase joint set up respectively in oil filling riser stand both ends, liquefied hydrocarbon loading pump is connected with the oil filling riser stand, gas phase joint and liquid phase joint keep away from the one end of oil filling riser stand and correspond to peg graft on the gas phase interface and the liquid phase interface of liquefied hydrocarbon tank wagon, the oil filling riser stand passes through the pipe and is connected with gas phase valve, balance valve and gas phase valves in proper order, the compressor inlet valve of unloading, The discharging compressor and the discharging compressor outlet valve group are sequentially communicated through a pipeline, and the discharging compressor inlet valve, the discharging compressor and the discharging compressor outlet valve group are connected in parallel to the outer sides of the balance valve and the gas valve group.
Preferably, the bridging valve group is connected in parallel to the outer sides of the two ends of the loading switch valve.
Preferably, one end of the vaporizer is connected with the gas-phase valve group, the other end of the vaporizer is connected with the tank inlet valve, and the tank inlet valve, the liquefied hydrocarbon ball tank and the liquefied hydrocarbon loading pump are connected through a three-way joint.
The utility model has the advantages that:
1. the utility model discloses, solved petrochemical or coal chemical industry field chemical industry enterprise when original chemical industry throws the material, need additionally to build the crane pipe system of unloading in order to make outsourcing liquefied hydrocarbon unload into the tank field, the problem that investment cost of enterprise is high.
2. The utility model discloses current takeaway liquid hydrocarbon loading system to chemical enterprise improves to make the loading system possess the function of unloading, thereby need not additionally construct the crane pipe system of unloading, reduce the land area of enterprise, reduce the engineering investment of enterprise, throw the material for the enterprise newly-built project for the first time and try on a car successfully provides basic guarantee.
Drawings
Fig. 1 is a schematic structural diagram of a chemical plant outsourcing liquid hydrocarbon unloading system provided by the utility model.
In the figure: 1. the system comprises a liquefied hydrocarbon ball tank, 2. a liquefied hydrocarbon loading pump, 3. a loading switch valve, 4. a loading pipe column, 5. a gas phase joint, 6. a liquid phase joint, 7. a liquefied hydrocarbon tank truck, 8. a balance valve, 9. a gas phase valve, 11. a bridging valve bank, 12. a vaporization valve bank, 13. a vaporizer, 14. a gas phase valve bank, 15. an inlet valve of a discharge compressor, 16. a discharge compressor, 17. an outlet valve bank of the discharge compressor and 18. a tank inlet valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, the outsourcing liquid hydrocarbon unloading system for the chemical plant comprises a liquefied hydrocarbon ball tank 1, a liquefied hydrocarbon loading pump 2, a loading switch valve 3, a loading pipe upright post 4, a gas phase joint 5, a liquid phase joint 6, a liquefied hydrocarbon tank wagon 7, a balance valve 8, a gas phase valve 9, a cross-over valve group 11, a vaporization valve group 12, a vaporizer 13, a gas phase valve group 14, an unloading compressor inlet valve 15, an unloading compressor 16, an unloading compressor outlet valve group 17 and a tank inlet valve 18.
The utility model discloses loading ooff valve 3 in current takeaway liquefied hydrocarbon loading system increases one set of cross-over connection valves 11, and liquefied hydrocarbon refluence when can opening cross-over connection valves 11 when unloading realizes unloading. In order to meet the requirements of solid gas replacement and solid gas pressure boosting operation required when the liquefied hydrocarbon spherical tank 1 is filled for the first time, a set of vaporizer 13 is added, and liquefied hydrocarbon can be gasified by steam heating, so that nitrogen in the spherical tank is replaced, and the purposes of solid gas replacement and solid gas pressure boosting are achieved. A set of discharging compressor 16 is added, and after the pressure of the spherical tank and the pressure of the tank car reach balance, the residual liquefied hydrocarbon in the tank car can be completely pressed into the spherical tank by pressure increase.
Referring to fig. 1, the operation method of the utility model "a liquefied hydrocarbon unloading system for outsourcing of chemical plant" is described, which comprises the following steps:
firstly, inserting a gas phase joint 5 and a liquid phase joint 6 of a loading arm into a filling port of a purchased liquefied hydrocarbon tank truck, opening a balance valve 8 and a gas phase valve 9, opening a bridging valve group 11 and a vaporization valve group 12, opening an inlet and an outlet valve of a vaporizer 13, opening a gas phase valve group 14, putting a vaporizer steam heating system into use, vaporizing the liquefied hydrocarbon into gaseous hydrocarbon, continuously filling the gaseous hydrocarbon into a liquefied hydrocarbon spherical tank 1 until the pressure reaches about 0.3MPaG, performing pressure reduction and compaction gas replacement, opening a flame-off torch valve, discharging a liquefied hydrocarbon and nitrogen mixed gas in the liquefied hydrocarbon spherical tank 1 into a torch system until the pressure reaches 0.03MPaG, repeating the above operations until the nitrogen concentration reaches a specified value and then finishing the solid gas replacement.
Secondly, in order to prevent the liquefied hydrocarbon from entering the liquefied hydrocarbon spherical tank 1 to absorb heat through instant vaporization and quickly reduce the temperature of the spherical tank to damage the spherical tank, the pressure of the liquefied hydrocarbon spherical tank 1 needs to be increased, and the pressure of the liquefied hydrocarbon spherical tank is increased to 0.6-1.0 MPa through the vaporizer 13 to meet the filling requirement.
Thirdly, when the pressure of the liquefied hydrocarbon spherical tank 1 and the pressure of the liquefied hydrocarbon tank wagon 7 reach balance and liquefied hydrocarbon in the liquefied hydrocarbon tank wagon 7 cannot be pressed into the liquefied hydrocarbon spherical tank 1, the inlet valve 15 of the discharge compressor and the outlet valve group 17 of the discharge compressor are opened, the discharge compressor 16 is started, gaseous hydrocarbon in the liquefied hydrocarbon spherical tank 1 is pressurized and pressed into the gas phase part of the liquefied hydrocarbon tank wagon 7, the pressure in the liquefied hydrocarbon tank wagon 7 is increased, and therefore residual liquefied hydrocarbon in the liquefied hydrocarbon tank wagon 7 can be completely pressed into the liquefied hydrocarbon spherical tank 1, and the discharge rate of the liquefied hydrocarbon tank wagon 7 is improved.
And thirdly, filling liquefied hydrocarbon in the liquefied hydrocarbon spherical tank 1, stopping the steam heating system of the vaporizer 13, and closing an inlet valve and an outlet valve of the vaporizer. And opening a tank inlet valve 18 to enable liquefied hydrocarbons in the liquefied hydrocarbon tank wagon 7 to continuously enter the liquefied hydrocarbon spherical tank 1 to realize outsourcing liquefied hydrocarbon unloading, and starting an unloading compressor 16 to pressurize when the pressure in the liquefied hydrocarbon tank wagon 7 is insufficient so as to completely unload the liquefied hydrocarbons in the liquefied hydrocarbon tank wagon 7.
And finally, after the liquefied hydrocarbon in the liquefied hydrocarbon tank truck 7 is unloaded, closing the balance valve 8, the gas phase valve 9 and the cross-over valve group 11, taking out the oil filling riser gas phase joint 6 and the liquid phase joint 7, and unloading. When all liquefied hydrocarbons required by the first feeding of a chemical plant are unloaded, the nitrogen of the unloading system is replaced to be qualified, the bridging valve group 11, the vaporization valve group 12 and the gas-phase valve group 14 are closed, all 8-shaped blind plates in the valve groups are guided to be blind, the unloading system is not used after formal feeding and test running, and the unloading system recovers the normal loading function.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. A liquid hydrocarbon unloading system purchased outside a chemical plant comprises a liquefied hydrocarbon ball tank (1), a liquefied hydrocarbon loading pump (2), a loading switch valve (3), a loading pipe upright post (4), a gas phase joint (5), a liquid phase joint (6), a liquefied hydrocarbon tank wagon (7), a balance valve (8), a gas phase valve (9), a bridging valve group (11), a vaporization valve group (12), a vaporizer (13), a gas phase valve group (14), a discharge compressor inlet valve (15), a discharge compressor (16), a discharge compressor outlet valve group (17) and a tank inlet valve (18), and is characterized in that the lower feed end of the liquefied hydrocarbon ball tank (1) is connected with the liquefied hydrocarbon loading pump (2) through a guide pipe, the gas phase joint (5) and the liquid phase joint (6) are respectively arranged at two ends of the loading pipe upright post (4), the liquefied hydrocarbon loading pump (2) is connected with the loading pipe upright post (4), the one end that gas phase connects (5) and liquid phase joint (6) kept away from oil filling riser stand (4) is corresponding on gas phase interface and the liquid phase interface of pegging graft in liquefied hydrocarbon tank wagon (7), oil filling riser stand (4) are connected with gas phase valve (9), balance valve (8) and gas valve group (14) in proper order through the pipe, compressor inlet valve (15), the compressor (16) of unloading, the compressor outlet valves (17) of unloading communicate in proper order through the pipeline, and compressor inlet valve (15), the compressor (16) of unloading, compressor outlet valves (17) of unloading connect in parallel in the balance valve (8) and the gas valve group (14) outside.
2. A chemical plant outsourcing liquid hydrocarbon unloading system according to claim 1, wherein the crossover valve group (11) is connected in parallel with the outer sides of two ends of the loading switch valve (3).
3. The chemical plant outsourcing liquid hydrocarbon unloading system according to claim 1, wherein one end of the vaporizer (13) is connected with the gas valve group (14), the other end of the vaporizer (13) is connected with the tank inlet valve (18), and the tank inlet valve (18), the liquefied hydrocarbon ball tank (1) and the liquefied hydrocarbon loading pump (2) are connected through a three-way joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993615.4U CN214790462U (en) | 2021-05-08 | 2021-05-08 | Chemical plant outsourcing liquid hydrocarbon unloading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993615.4U CN214790462U (en) | 2021-05-08 | 2021-05-08 | Chemical plant outsourcing liquid hydrocarbon unloading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214790462U true CN214790462U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120993615.4U Withdrawn - After Issue CN214790462U (en) | 2021-05-08 | 2021-05-08 | Chemical plant outsourcing liquid hydrocarbon unloading system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214790462U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673928A (en) * | 2022-05-25 | 2022-06-28 | 正和集团股份有限公司 | Liquid hydrocarbon loading and unloading system |
| CN117739261A (en) * | 2023-12-25 | 2024-03-22 | 欧科能源技术(天津)有限公司 | Hydrocarbon and liquid ammonia emergency rescue mobile skid-mounted system and application method thereof |
-
2021
- 2021-05-08 CN CN202120993615.4U patent/CN214790462U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673928A (en) * | 2022-05-25 | 2022-06-28 | 正和集团股份有限公司 | Liquid hydrocarbon loading and unloading system |
| CN117739261A (en) * | 2023-12-25 | 2024-03-22 | 欧科能源技术(天津)有限公司 | Hydrocarbon and liquid ammonia emergency rescue mobile skid-mounted system and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211119 Effective date of abandoning: 20231214 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20211119 Effective date of abandoning: 20231214 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |