CN114772538B - Portable mobile methanol filling pump prying device for ship and use method thereof - Google Patents
Portable mobile methanol filling pump prying device for ship and use method thereof Download PDFInfo
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- CN114772538B CN114772538B CN202210372068.7A CN202210372068A CN114772538B CN 114772538 B CN114772538 B CN 114772538B CN 202210372068 A CN202210372068 A CN 202210372068A CN 114772538 B CN114772538 B CN 114772538B
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 162
- 238000000034 method Methods 0.000 title claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000010926 purge Methods 0.000 claims abstract description 64
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims description 44
- 239000012071 phase Substances 0.000 claims description 26
- 239000000446 fuel Substances 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 11
- 239000002828 fuel tank Substances 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 9
- 239000007791 liquid phase Substances 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 6
- 238000005429 filling process Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 description 6
- 238000004880 explosion Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/04—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/08—Arrangements of devices for controlling, indicating, metering or registering quantity or price of liquid transferred
- B67D7/16—Arrangements of liquid meters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/58—Arrangements of pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/76—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators
- B67D7/766—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators of water separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D9/00—Apparatus or devices for transferring liquids when loading or unloading ships
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a mobile portable methanol filling pump prying device for a ship and a use method thereof, belonging to the technical field of environmental protection ships, the device comprises a car unloading module, a conveying module and a ship loading module which are sequentially connected, the car unloading module comprises a car unloading hose and a car unloading quick connector, the delivery module comprises a delivery pipe, a delivery pump and a check valve, wherein the delivery pump and the check valve are arranged on the delivery pipe, the shipment module comprises a tail pipe, a shipment quick connector and a shipment hose, a first purging port is arranged on the delivery pipe, and a second purging port is arranged on the tail pipe. According to the invention, nitrogen can be introduced into the pipeline to seal the pipeline before methanol is filled, and the pipeline can be purged after formaldehyde is filled, so that the nitrogen seal of the whole system is realized; the pressure balance module is initially arranged, so that the working smoothness of the unloading pump is ensured, and the personal safety of site operators is ensured; the methanol residual liquid in the pipeline of the pump prying device can be collected, and partial pressure protection can be realized; the utility test program is simplified, the movement is convenient, and the utility test program can be connected with a plurality of tank cars quickly and safely.
Description
Technical Field
The invention belongs to the technical field of environment-friendly ships, and particularly relates to a mobile portable methanol filling pump prying device for a ship and a use method thereof.
Background
In view of the increasing environmental protection requirements at present, ships taking methanol as fuel are gradually raised, and the methanol fuel ship needs to carry out utility tests on fuel systems before being built or transformed and put into operation, methanol is inflammable and explosive, volatile gas is toxic and easy to diffuse, and can be mixed with air to form explosive mixtures, so that special equipment matched with the utility tests is temporarily unavailable in China or even internationally.
Disclosure of Invention
Technical problems: aiming at the problems in the prior art, the technical problem to be solved by the invention is to provide the mobile portable marine methanol filling pump prying device for realizing the convenient and quick and safe filling of the methanol fuel from the tank car to the ship.
The technical scheme is as follows: in order to solve the technical problems, the invention adopts the following technical scheme:
The utility model provides a remove portable marine methyl alcohol filling pump sled device, includes the module of unloading, transport module and shipment module that connects gradually, the module of unloading includes the hose of unloading and the quick-operation joint of unloading, transport module includes the conveyer pipe and sets up transport pump and check valve on the conveyer pipe, shipment module includes tail pipe, shipment quick-operation joint, shipment hose, be equipped with first purge port on the conveyer pipe, be equipped with the second on the tail pipe and sweep the mouth.
Preferably, the pressure balancing device further comprises a pressure balancing module, wherein the pressure balancing module comprises an air return joint, an air return pipeline and an air return branch pipe.
Preferably, the device further comprises a waste liquid collecting module, wherein the waste liquid collecting module comprises a collecting pipe and a collecting port, and the collecting pipe is connected with the conveying pipe.
Preferably, the collecting pipe is connected with the tail pipe and the air return pipeline respectively.
Preferably, the number of the conveying modules is one or more, and a plurality of conveying modules are connected in parallel.
Preferably, the delivery module further comprises a filter, a flow meter, and a plurality of pressure sensors.
Preferably, the return air pipe is provided with a third purging port, and the return air branch pipe is provided with a fourth purging port.
The invention also provides a use method of the mobile portable methanol filling pump prying device for the ship, which comprises the following steps:
S1, inerting a pump prying device: before connecting a tank car and a ship, closing the interface of the quick connector 12 and the return air branch pipe 53 by using a blind flange, opening all passage valves from the pump prying device to the ship, blowing the whole pump prying device by introducing nitrogen sources from a first blowing port 211 and a fourth blowing port 531, discharging blown waste gas from the quick connector 32 and the return air connector 51, and closing all valves of the pump prying device after the tail end is manually detected and confirmed that the gas replacement is finished;
s2, filling a pipe for nitrogen sealing: connecting the unloading hose 11 with a tank car, connecting the loading hose 33 with a ship, and always keeping a nitrogen source connected from the interfaces of the first purging port 211 and the second purging port 311 when the hose is connected, and keeping a small-flow ventilation state, wherein the nitrogen positive pressure ventilation state in the hose is ensured in the whole connection process so as to ensure that the hose is also in a nitrogen sealing state after the hose is connected;
S3, nitrogen sealing of the pressure balancing module: when the air return branch pipe 53 is connected with the tank wagon and the air return joint 51 is connected with the ship, the third purging port 521 and the fourth purging port 531 also keep the connected small-flow ventilation state, so that nitrogen seal is ensured;
S4, filling: closing all purge ports, opening the transfer pump 41, and allowing methanol in the tank car to enter the ship through the unloading hose 11, the transfer pipe 21 and the shipment hose 33 under the operation of the transfer pump 41;
S5, pressure balance: in the methanol filling process, methanol volatile gas in the cabin returns to the tank wagon through the return air pipeline 52 and the return air branch pipe 53, and the gas phase space of the tank wagon is communicated with the gas phase space of the ship fuel cabin, so that the pressure balance of the gas phase space of the tank wagon and the gas phase space of the ship fuel cabin is realized, and the gas exchange between the gas phase space of the tank wagon and the gas phase space of the ship fuel cabin and the atmosphere is avoided;
S6, purging: after filling, closing a unloading valve on the tank wagon, and introducing a nitrogen source from the position of a first purging port 211 to purge residual liquid in a pump prying device pipeline to a ship fuel tank;
S7, inerting: closing a main valve on the pump prying device, which is close to the ship end, continuously introducing a nitrogen source from the first purging port 211 and the fourth purging port 531 to purge residual liquid in the pipeline into a waste liquid collecting pipe for collection treatment, and realizing nitrogen inerting of the whole pump prying system;
S8, hose inerting: all valves on the pump prying device are closed, before the unloading hose 11 and the loading hose 33 are removed, the tank car gas-liquid phase valve and the ship gas-liquid phase valve are opened, nitrogen is respectively introduced through the first purging port 211 and the second purging port 311, residual methanol steam in the connecting hose is purged onto the tank car and the ship, and the connecting hose is removed after inerting of the connecting hose is realized.
The beneficial effects are that: compared with the prior art, the invention has the following advantages: 1. a plurality of purging ports are formed in the pump prying device, nitrogen can be introduced to carry out nitrogen sealing on a pipeline before methanol is filled, so that the methanol steam and air are prevented from forming explosion mixed gas in the pipeline, the safety of the filling process is improved, pipeline purging can be carried out after formaldehyde is filled, residual methanol liquid and methanol gas are returned into a tank car or a ship cabin, nitrogen sealing of the whole system is realized, and the safety of personnel in the process of dismantling a tank car connecting pipe and a ship bank connecting pipe is ensured; 2. the pressure balance module is initially arranged in the pump prying device, and the gas phase space of the tank car is communicated with the gas phase space of the ship fuel tank, so that the working smoothness of the unloading pump is ensured; the tightness of the whole system is ensured, and the personal safety of field operators is ensured; 3. the waste liquid collecting module is arranged, so that methanol residual liquid in the pipeline of the pump prying device can be collected, partial pressure protection can be realized when the pipeline of the pump prying device is overpressurized, and the safety of the device is ensured; 4. the whole device pipeline is airtight, methanol does not leak, each pipeline and equipment are integrated into a modularized pry, the utility test program is simplified, the movement is convenient, and the device can be quickly and safely connected with a plurality of tank cars.
Drawings
FIG. 1 is a schematic diagram of a pipeline connection structure according to an embodiment of the present invention.
Detailed Description
The invention will be further illustrated with reference to specific examples, which are carried out on the basis of the technical solutions of the invention, it being understood that these examples are only intended to illustrate the invention and are not intended to limit the scope thereof.
As shown in fig. 1, the portable methanol filling pump prying device for the ship comprises a unloading module 1, a conveying module 2 and a loading module 3 which are sequentially connected, wherein the unloading module 1 is used for being connected with a tank car, methanol in the tank car is conveyed from the conveying module 2 to the loading module 3 and finally to a filled ship. The unloading module 1 comprises two unloading hoses 11 and two unloading quick connectors 12 (the quantity can be set up a plurality according to the use requirement), the unloading hoses 11 are used for being directly connected to the unloading pump outlets of the tank trucks, the two unloading quick connectors 12 are respectively connected with the two conveying modules 2, each conveying module 2 comprises a conveying pipe 21, a filter 43, a conveying pump 41, a flowmeter 44, a check valve 42 and two pressure sensors 45 which are arranged on the conveying pipe 21, the filter 43, the conveying pump 41, the flowmeter 44 and the check valve 42 are sequentially arranged on the conveying pipe 21 along the methanol flow direction, the filter 43 adopts a Y-shaped filter, the conveying pump 41 adopts a gear pump, the two pressure sensors 45 are respectively arranged at the inlet end and the outlet end of the conveying pump 41 and are used for monitoring conveying pressure in the conveying pipe 21, the two conveying pipes 21 are connected through a communicating pipe near the unloading quick connector 12, and the communicating pipe is provided with a communicating valve, so that the two conveying pipes are mutually standby.
The shipment module 3 includes a tail pipe 31, a shipment quick coupler 32, and a shipment hose 33, and the tail ends of the two transport pipes 21 are connected to the tail pipe 31, so that the two transport modules 2 are connected in parallel to the tail pipe 31, the tail pipe 31 is connected to the shipment hose 33 through the shipment quick coupler 32, and the shipment hose 33 is used to connect to a ship, so that methanol is injected to the ship. The tail pipe 31 is also provided with a pressure sensor for monitoring the pressure in the pipeline, and the tail pipe 31 is also provided with a valve for controlling the on-off of the pipeline.
The methanol is volatile, so that the methanol is also provided with the pressure balancing module 5, the pressure balancing module 5 comprises an air return connector 51, an air return pipeline 52 and two air return branch pipes 53, the air return connector 51 is used for being connected with a fuel tank or a storage tank on a ship, the two air return branch pipes 53 are used for being connected with a tank car, methanol volatile gas in the tank passes through the air return pipeline 52 and returns to the tank car through the two air return branch pipes 53, the pressure balancing module is arranged in the pump prying device, and in the process of discharging methanol, the communication between the gas phase space of the tank car and the gas phase space of the ship fuel tank is realized, so that the pressure balance between the gas phase space of the tank car and the gas phase space of the ship fuel tank is realized, and the working smoothness of a discharge pump is ensured; the tightness of the whole system is ensured, and the gas exchange between the tank car gas phase space and the ship fuel tank gas phase space and the atmosphere is avoided, so that safety production accidents are generated; meanwhile, the personal safety of field operators is ensured.
The device also comprises a waste liquid collecting module 6, the waste liquid collecting module 6 comprises a collecting pipe 61 and a collecting port 62, the collecting pipe 61 is connected with the two conveying pipes 21, the connecting part is arranged at the outlet end of the conveying pump 41, the connecting part Hu Hu is connected with a safety valve through a valve, the valve is used for controlling the on-off of a pipeline, and the safety valve is used for overpressure protection; the collecting pipe 61 is also connected with the tail pipe 31, and the connection is arranged near the junction of the two conveying pipes 21; the collecting pipe 61 is also connected with the air return pipeline 52 for collecting waste liquid in the air return pipeline 52, the collecting port 62 is connected with external collecting equipment for recovering the waste liquid, and a fire-retarding separator 63 is arranged near the collecting port 62 for retarding fire and explosion. The pump skid device is internally provided with a waste liquid collecting module, and firstly, after a filling pipeline is blocked or a ship filling pipeline is cut off suddenly, methanol residual liquid in a pipeline of the pump skid device is collected into a special collecting container through a fire-retarding separator by the waste liquid collecting device through the pipeline of the waste liquid collecting module and then is concentrated; and after the pump prying pipeline is overpressurized, the overpressurized liquid is collected into a special collecting container through a fire-retarding separator by a waste liquid collecting device and is subjected to centralized treatment.
A first purging port 211 is arranged on each conveying pipe 21 near the unloading quick connector 12, a second purging port 311 is arranged on the tail pipe 31 near the loading quick connector 32, the purging ports are used for introducing nitrogen, the pipeline is purged by utilizing the nitrogen, a plurality of purging ports are arranged in the device, after the device is connected, the nitrogen can be introduced through the purging ports, the air in the pump sled and the connecting pipeline is purged completely, and the methanol steam and the air are prevented from forming explosion mixed gas in the pipeline; and the methanol residual liquid in the whole pump prying system can be purged to tank cars and ship fuel tanks after filling is finished. A third purging port 521 is arranged on the return air pipeline 52 near the return air joint 51, a fourth purging port 531 is arranged on each return air branch pipe 53 near the joint, the purging ports are used for introducing nitrogen, and residual methanol volatile gas or methanol liquid in the pipeline is purged by utilizing the nitrogen, so that the residual methanol volatile gas or methanol liquid returns to the tank car or the ship cabin. The nitrogen seal of the whole system can be realized by arranging the purging port for introducing nitrogen, so that the safety of the equipment when the tank wagon connecting pipe and the ship bank connecting pipe are removed is ensured.
The using method and the using process are as follows:
1. The pump prying device inerting itself: before connecting a tank car and a ship, a blind flange is used for sealing the gas-liquid phase end of the tank car of the pump prying device (namely, the interface of the two quick connectors 12 and the two return air branch pipes 53), then all the passage valves from the pump prying device to the ship are opened, a nitrogen source is connected from a nitrogen purging port (namely, a first purging port 211 and a fourth purging port 531) at the tank car end to purge the whole pump prying device, purged waste gas is discharged from the position, close to the ship end, of the pump prying device (namely, the position of the quick connector 32 and the return air joint 51), and all the valves of the pump prying device are closed after the tail end is manually detected and confirmed that the gas replacement is completed.
2. Filling pipe nitrogen seal: after the pump prying device is inerted, the unloading hose 11 is connected with a tank car, the loading hose 33 is connected with a ship, and when the hose is connected, a nitrogen source is always kept to be connected from the first purging port 211 and the second purging port 311, a small-flow ventilation state is kept, and the nitrogen positive pressure ventilation state in the hose is ensured in the whole connection process so as to ensure that the hose is also in a nitrogen sealing state after the hose is communicated.
3. Pressure balancing module nitrogen seal: when the air return branch pipe 53 is connected with the tank wagon and the air return joint 51 is connected with the ship, the third purging port 521 and the fourth purging port 531 also keep the connected small-flow ventilation state, so that nitrogen seal is ensured;
4. Filling: all purge ports are closed and transfer pump 41 is turned on and methanol in the tank car enters the vessel through unloading hose 11, transfer pipe 21 and loading hose 33 under operation of transfer pump 41.
5. Pressure balance: in the methanol filling process, methanol volatile gas in the cabin returns to the tank wagon through the return air pipeline 52 and the return air branch pipe 53, and the gas phase space of the tank wagon is communicated with the gas phase space of the ship fuel cabin, so that the pressure balance of the gas phase space of the tank wagon and the gas phase space of the ship fuel cabin is realized, and meanwhile, the gas exchange between the gas phase space of the tank wagon and the gas phase space of the ship fuel cabin and the atmosphere is avoided.
6. And (3) purging: after filling, closing a car unloading valve on the tank car, and introducing a nitrogen source from the position of the first purging port 211 to purge residual liquid in the pump prying device pipeline to the ship fuel tank.
7. And (3) inerting: after purging, a main valve on the pump prying device, which is close to the ship end, is closed, and a nitrogen source is continuously introduced from the first purging port 211 and the fourth purging port 531 to purge residual liquid in the pipeline into a waste liquid collecting pipe for collection treatment, so that nitrogen inerting of the whole pump prying system is realized.
8. Hose inerting: all valves on the pump prying device are closed, before the unloading hose 11 and the loading hose 33 are removed, the tank car gas-liquid phase valve (a gas-flowing valve and a liquid-flowing valve) and the ship gas-liquid phase valve are opened, nitrogen is respectively introduced through the first purging port 211 and the second purging port 311, residual methanol vapor in the connecting hose is purged onto the tank car and the ship, and the connecting hose is removed after inerting of the connecting hose is realized.
Before primary methanol filling, cleaning a methanol fuel cabin or a storage cabin of the ship, and adopting nitrogen purging for inerting to ensure that the oxygen content in the cabin is less than 0.5%, so as to realize nitrogen sealing (micro positive pressure) of the cabin; then, utilize the pump of unloading to pass through this device with the methyl alcohol in the tank wagon and pass through the pipeline and pass through this device and lighte to the boats and ships fuel cabin in, the volatile gas that the in-process produced passes through the muffler to the pier tank wagon, realize the pressure balance in tank wagon and the boats and ships cabin, each pipeline and the hose junction of pump sled device are all airtight connection, thereby methyl alcohol is full airtight filling in whole filling process, safety and high efficiency, because each pipeline in this device, transport pump and valve etc. adopt the form of integrated sled, thereby the modularization sets up, it is convenient to remove the transportation, utility experimental process has been simplified.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (3)
1. The utility model provides a remove portable marine methanol filling pump sled device's application method, its characterized in that, remove portable marine methanol filling pump sled device includes car unloading module (1), delivery module (2) and shipment module (3) that connect gradually, still includes pressure balance module (5) and waste liquid collection module (6), car unloading module (1) including car unloading hose (11) and car unloading quick-operation joint (12), delivery module (2) including conveyer pipe (21) and transportation pump (41) and check valve (42) that set up on conveyer pipe (21), shipment module (3) including tail pipe (31), shipment quick-operation joint (32), shipment hose (33) are equipped with first purge port (211) on conveyer pipe (21), be equipped with second purge port (311) on tail pipe (31), pressure balance module (5) including return air joint (51), return air line (52) and return air branch (53), be equipped with third port (52) on return air line (52), return air branch (53) are equipped with third purge port (53) collection pipe (61) and collection pipe (61) are connected with conveyer pipe (61), the collecting pipe (61) is respectively connected with the tail pipe (31) and the return air pipeline (52);
the using method comprises the following steps:
S1, inerting a pump prying device: before connecting a tank car and a ship, closing the interface of the quick connector (12) and the air return branch pipe (53) by using a blind flange, then opening all passage valves from the pump prying device to the ship, blowing the whole pump prying device by introducing nitrogen sources from a first blowing port (211) and a fourth blowing port (531), discharging blown waste gas from the shipment quick connector (32) and the air return connector (51), and closing all valves of the pump prying device after the tail end is subjected to manual detection and confirmation of the completion of gas replacement;
S2, filling a pipe for nitrogen sealing: connecting a unloading hose (11) with a tank car, connecting a loading hose (33) with a ship, and always keeping a nitrogen source connected from a first purging port (211) and a second purging port (311) in the process of connecting the hoses, so as to keep a small-flow ventilation state, and ensuring a positive-pressure nitrogen ventilation state in the hoses in the whole connecting process so as to ensure that the inside of the hoses is also in a nitrogen sealing state after the connecting hoses are communicated;
s3, nitrogen sealing of the pressure balancing module: when the air return branch pipe (53) is connected with the tank wagon and the air return joint (51) is connected with the ship, the third purging port (521) and the fourth purging port (531) also keep a small flow ventilation state of the connection, so that nitrogen seal is ensured;
s4, filling: closing all purge ports, opening a conveying pump (41), and enabling methanol in the tank car to enter the ship through a unloading hose (11), a conveying pipe (21) and a loading hose (33) under the operation of the conveying pump (41);
s5, pressure balance: in the methanol filling process, methanol volatile gas in the cabin returns to the tank wagon through a return air pipeline (52) through a return air branch pipe (53), and the gas phase space of the tank wagon is communicated with the gas phase space of the ship fuel cabin, so that the pressure balance of the gas phase space of the tank wagon and the gas phase space of the ship fuel cabin is realized, and meanwhile, the gas exchange between the gas phase space of the tank wagon and the gas phase space of the ship fuel cabin and the atmosphere is avoided;
S6, purging: after filling, closing a unloading valve on the tank wagon, and introducing a nitrogen source from the position of a first purging port (211) to purge residual liquid in a pump prying device pipeline to a ship fuel tank;
S7, inerting: closing a main valve on the pump prying device, which is close to the ship end, continuously introducing a nitrogen source from a first purging port (211) and a fourth purging port (531) to purge residual liquid in the pipeline into a waste liquid collecting pipe for collection treatment, and realizing nitrogen inerting of the whole pump prying system;
S8, hose inerting: all valves on the pump prying device are closed, before the unloading hose (11) and the loading hose (33) are removed, the tank car gas-liquid phase valve and the ship gas-liquid phase valve are opened, nitrogen is respectively introduced through a first purging port (211) and a second purging port (311), residual methanol steam in the connecting hose is purged onto the tank car and the ship, and the connecting hose is removed after inerting of the connecting hose is realized.
2. The use method of the mobile portable marine methanol filling pump pry device according to claim 1, wherein the number of the conveying modules (2) is one or more, and a plurality of the conveying modules (2) are connected in parallel.
3. The method of using a mobile portable marine methanol filling pump skid as set forth in claim 1, wherein the transport module (2) further comprises a filter (43), a flow meter (44), and a plurality of pressure sensors (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372068.7A CN114772538B (en) | 2022-04-01 | 2022-04-01 | Portable mobile methanol filling pump prying device for ship and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372068.7A CN114772538B (en) | 2022-04-01 | 2022-04-01 | Portable mobile methanol filling pump prying device for ship and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114772538A CN114772538A (en) | 2022-07-22 |
| CN114772538B true CN114772538B (en) | 2024-08-09 |
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|---|---|---|---|
| CN202210372068.7A Active CN114772538B (en) | 2022-04-01 | 2022-04-01 | Portable mobile methanol filling pump prying device for ship and use method thereof |
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| CN (1) | CN114772538B (en) |
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| CN116101967B (en) * | 2022-12-22 | 2023-11-14 | 中交第四航务工程勘察设计院有限公司 | System and method for simultaneously loading multiple berths of methanol |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205101855U (en) * | 2015-09-30 | 2016-03-23 | 上海新奥新能源技术有限公司 | Multislot car is to parallelly connected filling device of ship |
| CN107327699A (en) * | 2017-08-12 | 2017-11-07 | 连云港市拓普科技发展有限公司 | Intelligent integral packaged type LNG unloads sled |
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| CN101825220B (en) * | 2010-05-07 | 2011-11-16 | 海宁瑞星皮革有限公司 | DMF gas recovery device |
| CN103851333A (en) * | 2014-03-19 | 2014-06-11 | 江苏长隆石化装备有限公司 | LNG (liquefied natural gas) loading pry |
| CN206496185U (en) * | 2017-02-21 | 2017-09-15 | 中国海洋石油总公司 | A kind of removable bank base formula loading system filled for LNG ship oceangoing ship |
| CN207179177U (en) * | 2017-08-12 | 2018-04-03 | 连云港市拓普科技发展有限公司 | A kind of intelligent integral packaged type LNG unloads sled |
| CN208253166U (en) * | 2017-12-29 | 2018-12-18 | 上海新奥新能源技术有限公司 | A kind of filling apparatus that multiple-grooved vehicle parallel connection filling can be achieved at the same time |
| CN208204532U (en) * | 2018-05-04 | 2018-12-07 | 河南开祥精细化工有限公司 | A kind of liquefied ammonia recovery system |
| CN111225872B (en) * | 2018-05-30 | 2022-03-15 | 深圳市尚佳能源网络有限责任公司 | Civil alcohol-based fuel supply system |
| CN111720738A (en) * | 2020-06-08 | 2020-09-29 | 中国神华煤制油化工有限公司 | Chemical device waste liquid collecting system and collecting method |
| CN215891976U (en) * | 2021-05-26 | 2022-02-22 | 中船恒宇能源(上海)有限公司 | Unloading device of ship gas test device |
| CN113291412B (en) * | 2021-06-29 | 2022-05-13 | 广船国际有限公司 | Nitrogen system for ship and ship |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205101855U (en) * | 2015-09-30 | 2016-03-23 | 上海新奥新能源技术有限公司 | Multislot car is to parallelly connected filling device of ship |
| CN107327699A (en) * | 2017-08-12 | 2017-11-07 | 连云港市拓普科技发展有限公司 | Intelligent integral packaged type LNG unloads sled |
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