CN203907221U - Cryogenic ethylene receiving station wharf discharging pipeline cooling system - Google Patents
Cryogenic ethylene receiving station wharf discharging pipeline cooling system Download PDFInfo
- Publication number
- CN203907221U CN203907221U CN201420232273.4U CN201420232273U CN203907221U CN 203907221 U CN203907221 U CN 203907221U CN 201420232273 U CN201420232273 U CN 201420232273U CN 203907221 U CN203907221 U CN 203907221U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- valve
- ship
- unloading
- ethene
- 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.)
- Expired - Lifetime
Links
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 238000001816 cooling Methods 0.000 title claims abstract description 38
- 239000005977 Ethylene Substances 0.000 title claims abstract description 35
- 238000007599 discharging Methods 0.000 title abstract 9
- 239000006200 vaporizer Substances 0.000 claims description 14
- 230000009467 reduction Effects 0.000 claims description 4
- 238000002309 gasification Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004345 fruit ripening Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a cryogenic ethylene receiving station wharf discharging pipeline cooling system, which comprises an ethylene storage tank, an ethylene evaporator, a first output pump, a discharging pipeline, a discharging pipeline cooling return pipeline, a cold circulation pipeline, an ethylene storage tank feed pipeline, an output pipeline, an outer output pipeline, a first valve, a second valve, a third valve and a fourth valve, the discharging pipeline is connected with an ethylene transport ship and an ethylene storage tank feed pipeline, the first valve is arranged on the ethylene storage tank feed pipeline, the output pipeline is connected with the ethylene storage tank and the ethylene evaporator, the first output pump and the second valve are orderly arranged on the output pipeline, the cold circulation pipeline is connected with a front position of the output pipeline on the second valve and the discharging pipeline, the third valve is arranged on the cold circulation pipeline, the discharging pipeline cooling return pipeline is connected on a position between the second valve and the first output pump which are arranged on the discharging pipeline and the output pipeline, and the outer output pipeline is connected with the ethylene evaporator. The cryogenic ethylene receiving station wharf discharging pipeline cooling system is further provided with a second output pump, and is reserved for the first output pump.
Description
Technical field
The utility model relates to cryogenic liquide pipeline cooling system, in particular to a kind of low temperature ethylene receiving station harbour pipeline cooling system of unloading a ship.
Background technique
Ethene (ethylene) is the simplest alkene, normality is colourless inflammable gas, fusing point-169 ℃, boiling point-103.7 ℃, ethene is one of petrochemical industry base stock, applies very extensive, can manufacture synthetic rubber, synthetic resin, synthetic fiber, plastics etc., also can synthesize the organic synthesis products such as explosive and ethanol, acetaldehyde, acetic acid, ethylene oxide, and can replace acetylene in order to cut off and weld metal, also can be used as the promoter that makes fruit maturation.
The major function of ethene receiving station is to receive the liquid ethylene that transport by sea comes, and stores and gasification, so ethene receiving station will maintain long-term liquid state conveying.Low temperature ethylene receiving station needs the cold circulation of long term maintenance because of the harbour pipeline of unloading a ship, independent cold recycle pump need be set, because the low temperature cold insulation of the pipeline of unloading a ship generally not being allowed to interrupt, for avoiding because of the cold circulation of pipeline of interrupting unloading a ship of cold recycle pump fault, cold recycle pump need arrange standby, because will maintaining long-term liquid state, ethene receiving station carries, therefore that ethene rear pump need arrange is standby.
In order to reduce equipment investment cost, domestic some ethene receiving station is standby using standby ethene rear pump as cold recycle pump also, on ethene rear pump outlet line, take-off line is set, through restriction orifice decompression, delivers to cold circulation delivery side of pump, so standby as it when cold recycle pump maintenance.
Model utility content
The utility model provides a kind of low temperature ethylene receiving station harbour pipeline cooling system of unloading a ship, and in order to reduce equipment cost, cancels cold recycle pump, only by ethene rear pump, reaches ethene output and the cooling object of pipeline.
For achieving the above object, the utility model provides a kind of low temperature ethylene receiving station harbour pipeline cooling system of unloading a ship, comprise ethene storage tank, ethene vaporizer, the first rear pump, the pipeline of unloading a ship, the cooling return line of the pipeline of unloading a ship, cold pipeloop, ethene storage tank feeding line, export pipeline, external transport pipeline, the first valve, the second valve, the 3rd valve and the 4th valve, wherein:
The described pipeline of unloading a ship connects ethene cargo ship, described ethene storage tank by described ethene storage tank feeding line with described in the pipeline of unloading a ship be connected, described the first valve is located on described ethene storage tank feeding line;
Described export pipeline one end is connected with described ethene storage tank, and described the first rear pump and described the second valve are located on described export pipeline, and after described the second valve is located at described the first rear pump, the described export pipeline the other end is connected with described ethene vaporizer;
Position before described the second valve, described cold pipeloop one end is connected with described export pipeline, the described cold pipeloop the other end with described in the pipeline of unloading a ship be connected, described the 3rd valve is located on described cold pipeloop;
The cooling return line of the described pipeline of unloading a ship one end with described in the pipeline of unloading a ship be connected, described in the cooling return line the other end of pipeline of unloading a ship be connected to the position between the above second valve of described export pipeline and described the first rear pump;
Described external transport pipeline is connected with described ethene vaporizer;
Wherein, when the non-ship time that unloads, utilize the low temperature ethylene of described ethene storage tank to carry out the pipeline of unloading a ship cooling, described the second valve, described the 3rd valve and described the 4th valve are opening state, and described the first valve is closed condition; When unloading ship time, described the first valve and described the second valve are opening state, and described the 3rd valve, described the 4th valve are closed condition.
Wherein, this pipeline cooling system of unloading a ship also has the second rear pump, standby for described the first rear pump.
Wherein, described the second valve is reduction valve.
Compared with prior art, the beneficial effects of the utility model are embodied in:
A kind of low temperature ethylene receiving station harbour that the utility model the provides pipeline cooling system of unloading a ship, ethene receiving station is only used ethene rear pump and need not cold recycle pump, only by the improvement of pipeline and the utilization of valve, both can realize the cold circulation of harbour, can complete again outer defeatedly, ethene rear pump is shunted a part of liquid ethylene and is gone harbour to complete after cooling pipeline task, returns to ethene vaporizer and directly enters downstream user, design ingeniously, save equipment investment cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model one embodiment's the low temperature ethylene receiving station harbour pipeline cooling system structure schematic diagram of unloading a ship.
Description of reference numerals: 1-ethene cargo ship; 2-ethene storage tank; 3-ethene vaporizer; The 4-pipeline of unloading a ship; 5-ethene storage tank feeding line; 51-the first valve; 6-export pipeline; 61-the first rear pump; 62-the second valve; 63-the second rear pump; 7-external transport pipeline; The cold pipeloop of 8-; 81-the 3rd valve; The 9-cooling return line of pipeline of unloading a ship; 91-the 4th valve.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not paying the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 1 is an embodiment's of the utility model the low temperature ethylene receiving station harbour pipeline cooling system structure schematic diagram of unloading a ship.As shown in Figure 1, the utility model provides a kind of low temperature ethylene receiving station harbour pipeline cooling system of unloading a ship, comprise ethene storage tank 2, ethene vaporizer 3, the first rear pump 61, the pipeline 4 of unloading a ship, the cooling return line 9 of the pipeline of unloading a ship, cold pipeloop 8, ethene storage tank feeding line 5, export pipeline 6, external transport pipeline 7, the first valve 51, the second valve 62, the 3rd valve 81 and the 4th valve 91, wherein:
The pipeline 4 of unloading a ship connects ethene cargo ship 1, and ethene storage tank 2 is connected with the pipeline 4 of unloading a ship by ethene storage tank feeding line 5, and the first valve 51 is located on ethene storage tank feeding line 5;
Export pipeline 6 one end are connected with ethene storage tank 2, and the first rear pump 61 and the second valve 62 are located on export pipeline 6, and after the second valve 62 is located at the first rear pump 61, export pipeline 6 the other ends are connected with ethene vaporizer 3;
Position before the second valve 62, cold pipeloop 8 one end is connected with export pipeline 6, and cold pipeloop 8 the other ends are connected with the pipeline 4 of unloading a ship, and the 3rd valve 81 is located on cold pipeloop 8;
The cooling return line of the pipeline of unloading a ship 9 one end are connected with the pipeline 4 of unloading a ship, and cooling return line 9 the other ends of the pipeline of unloading a ship are connected to the position between the second valve 62 and the first rear pump 61 on export pipeline 6;
External transport pipeline 7 is connected with ethene vaporizer 3;
Wherein, this pipeline cooling system of unloading a ship also has the second rear pump 63, is the standby of the first rear pump 61, enables the second rear pump 63 when the first rear pump 61 fault.
During concrete enforcement, as shown in Figure 1, under the non-state of unloading a ship, utilize the low temperature ethylene of described ethene storage tank 2 to carry out cooling to the pipeline 4 of unloading a ship, the second valve 62, the 3rd valve 81 and the 4th valve 91 are opening state, the first valve 51 is closed condition, the disconnection that is connected of unload a ship pipeline 4 and ethene cargo ship 1, the first rear pump 61 or the second rear pump 63 pump the low temperature ethylene supercharging in ethene storage tank 2, low temperature ethylene is defeated outside the second valve 62 (reduction valve) flows to ethene vaporizer 3 gasification, when low temperature ethylene is flowed through the second valve 62, part low temperature ethylene branches to cold pipeloop 8, and flow to through the 3rd valve 81 of opening the pipeline 4 of unloading a ship, the heat that this part low temperature ethylene absorbs the pipeline 4 of unloading a ship to the pipeline 4 of unloading a ship carry out cooling after, through the 4th valve 91 of opening, flow through the cooling return line 9 of the pipeline of unloading a ship, carrying the heat absorbing in flow process, to enter together ethene vaporizer 3 outer defeated by external transport pipeline 7 after thorough gasification,
Unloading ship time, do not needing the pipeline 4 of unloading a ship separately to apply cooling method, the first valve 51 and the second valve 62 are opening state, and the 3rd valve 81, the 4th valve 91 are closed condition; Now, liquid ethylene on ethene cargo ship 1 enters ethene storage tank 2 by unload a ship pipeline 4, the first valve 51 and ethene storage tank feeding line 5, after the first rear pump 61 or the second rear pump 63 pump the low temperature ethylene supercharging in ethene storage tank 2, low temperature ethylene is defeated outside the second valve 62 (reduction valve) flows to ethene vaporizer 3 gasification.
One of ordinary skill in the art will appreciate that: accompanying drawing is an embodiment's schematic diagram, the module in accompanying drawing or flow process might not be that enforcement the utility model is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can be described and be distributed in embodiment's device according to embodiment, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record previous embodiment is modified, or part technical characteristics is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technological scheme.
Claims (3)
- The 1.Yi Zhong low temperature ethylene receiving station harbour pipeline cooling system of unloading a ship, it is characterized in that, comprise ethene storage tank, ethene vaporizer, the first rear pump, the pipeline of unloading a ship, the cooling return line of the pipeline of unloading a ship, cold pipeloop, ethene storage tank feeding line, export pipeline, external transport pipeline, the first valve, the second valve, the 3rd valve and the 4th valve, wherein:The described pipeline of unloading a ship connects ethene cargo ship, described ethene storage tank by described ethene storage tank feeding line with described in the pipeline of unloading a ship be connected, described the first valve is located on described ethene storage tank feeding line;Described export pipeline one end is connected with described ethene storage tank, and described the first rear pump and described the second valve are located on described export pipeline, and after described the second valve is located at described the first rear pump, the described export pipeline the other end is connected with described ethene vaporizer;Position before described the second valve, described cold pipeloop one end is connected with described export pipeline, the described cold pipeloop the other end with described in the pipeline of unloading a ship be connected, described the 3rd valve is located on described cold pipeloop;The cooling return line of the described pipeline of unloading a ship one end with described in the pipeline of unloading a ship be connected, described in the cooling return line the other end of pipeline of unloading a ship be connected to the position between the above second valve of described export pipeline and described the first rear pump;Described external transport pipeline is connected with described ethene vaporizer;Wherein, when the non-ship time that unloads, utilize the low temperature ethylene of described ethene storage tank to carry out the pipeline of unloading a ship cooling, described the second valve, described the 3rd valve and described the 4th valve are opening state, and described the first valve is closed condition; When unloading ship time, described the first valve and described the second valve are opening state, and described the 3rd valve, described the 4th valve are closed condition.
- 2. the low temperature ethylene according to claim 1 receiving station harbour pipeline cooling system of unloading a ship, is characterized in that, this pipeline cooling system of unloading a ship also has the second rear pump, standby for described the first rear pump.
- 3. the low temperature ethylene according to claim 1 receiving station harbour pipeline cooling system of unloading a ship, is characterized in that, described the second valve is reduction valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420232273.4U CN203907221U (en) | 2014-05-07 | 2014-05-07 | Cryogenic ethylene receiving station wharf discharging pipeline cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420232273.4U CN203907221U (en) | 2014-05-07 | 2014-05-07 | Cryogenic ethylene receiving station wharf discharging pipeline cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203907221U true CN203907221U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420232273.4U Expired - Lifetime CN203907221U (en) | 2014-05-07 | 2014-05-07 | Cryogenic ethylene receiving station wharf discharging pipeline cooling system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203907221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058758A (en) * | 2018-08-27 | 2018-12-21 | 中国寰球工程有限公司 | The comprehensive transportation system of ethylene and method |
| CN114620668A (en) * | 2022-03-31 | 2022-06-14 | 山东京博物流股份有限公司 | Anti-blocking device and method for asphalt unloading pump pool |
-
2014
- 2014-05-07 CN CN201420232273.4U patent/CN203907221U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058758A (en) * | 2018-08-27 | 2018-12-21 | 中国寰球工程有限公司 | The comprehensive transportation system of ethylene and method |
| CN109058758B (en) * | 2018-08-27 | 2023-08-04 | 中国寰球工程有限公司 | Ethylene comprehensive conveying system and method |
| CN114620668A (en) * | 2022-03-31 | 2022-06-14 | 山东京博物流股份有限公司 | Anti-blocking device and method for asphalt unloading pump pool |
| CN114620668B (en) * | 2022-03-31 | 2024-03-22 | 山东京博物流股份有限公司 | Asphalt unloading pump pool anti-blocking device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Two road 100012 Beijing city Chaoyang District high tech Industrial Park, No. 1. Patentee after: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd. Address before: Two road 100012 Beijing city Chaoyang District high tech Industrial Park, No. 1. Patentee before: China Huanqiu Contracting & Engineering Corp. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20201130 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd. Address before: Two road 100012 Beijing city Chaoyang District high tech Industrial Park, No. 1. Patentee before: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |