CN219809786U - Spraying pressure reducing device for low-temperature liquid storage tank - Google Patents
Spraying pressure reducing device for low-temperature liquid storage tank Download PDFInfo
- Publication number
- CN219809786U CN219809786U CN202321312348.5U CN202321312348U CN219809786U CN 219809786 U CN219809786 U CN 219809786U CN 202321312348 U CN202321312348 U CN 202321312348U CN 219809786 U CN219809786 U CN 219809786U
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- Prior art keywords
- box
- storage tank
- water
- liquid nitrogen
- cooling
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- 239000007788 liquid Substances 0.000 title claims abstract description 62
- 238000005507 spraying Methods 0.000 title abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 88
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 239000007921 spray Substances 0.000 claims abstract description 24
- 230000005494 condensation Effects 0.000 claims description 17
- 238000009833 condensation Methods 0.000 claims description 17
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 description 5
- 239000010865 sewage Substances 0.000 description 3
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model relates to the technical field of spray depressurization, and discloses a low-temperature liquid storage tank spray depressurization device which comprises a tank body, wherein a fixed bracket is fixedly arranged at the bottom of an inner cavity of the tank body, a storage tank is fixedly arranged on the fixed bracket, a water pump is arranged on one side, far away from a second water inlet pipe, of the tank body, a first water inlet pipe is communicated with a water inlet end of the water pump, a first water outlet pipe is communicated with a water outlet end of the water pump, a cooling tank is fixedly arranged on the first water outlet pipe, a water outlet end of the first water outlet pipe penetrates through to the top wall of the tank body, a motor is fixedly arranged on the side wall of the cooling tank, a liquid nitrogen placing box is fixedly arranged at the output end of the motor, and a liquid nitrogen pipeline is fixedly connected to one side wall, far away from the motor, of the cooling tank; according to the utility model, water circularly flows in the tank body, so that the storage tank is continuously sprayed and cooled, water resources are utilized to the greatest extent, the waste of the water resources is reduced, and the spraying and cooling efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of spray depressurization, in particular to a spray depressurization device for a low-temperature liquid storage tank.
Background
The low-temperature liquid such as liquefied natural gas, ethylene, ethane, propylene and the like is far below the ambient temperature at normal pressure, and is either a clean energy source or a high-value chemical product, and the low-temperature liquid is generally stored by adopting a low-temperature storage tank, and although good cold-keeping protection measures are adopted by storage and transportation equipment or a transportation pipeline, because of the large temperature difference between the low-temperature liquid and the environment, the endothermic evaporation in the storage and transportation processes always exists, the generation of flash gas BOG is unavoidable, the generation of BOG is gradually increased along with the continuous increase of the endothermic quantity, and the storage and transportation pressure is also continuously increased, so that an overpressure accident is easily caused if no effective pressure-reducing measures are adopted under the condition.
However, after the existing low-temperature liquid storage tank spraying pressure reducing device sprays the storage tank, the sprayed accumulated water is generally directly discharged, so that water resources are not recycled, and water resource waste is caused.
Therefore, it is necessary to provide a spray depressurization device for a cryogenic liquid storage tank to solve the above-mentioned technical problems.
Disclosure of Invention
The utility model aims to provide a low-temperature liquid storage tank spray depressurization device which has the effects of utilizing the circulating flow of water in a tank body to continuously spray and cool the storage tank, furthest utilizing water resources, reducing the waste of the water resources and improving the spray cooling efficiency.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a low temperature liquid storage tank sprays depressurization device, includes the box, box inner chamber bottom fixed mounting has the fixed bolster, fixed mounting has the storage tank on the fixed bolster, box one side fixed mounting has the second inlet tube, be provided with first valve on the second inlet tube, one side that the second inlet tube was kept away from to the box is provided with the water pump, the inlet end intercommunication of water pump is provided with first inlet tube, the outlet end intercommunication of water pump is provided with first outlet pipe, first inlet tube stretches into the bottom of box inner chamber, fixed mounting has the cooling tank on the first outlet pipe, the outlet end of first outlet pipe runs through to the roof of box, the outlet end fixed mounting of first outlet pipe has first shower nozzle, first shower nozzle is located directly over the storage tank, the lateral wall fixed mounting of cooling tank has the motor, the output fixed mounting of motor has the box is placed to the liquid nitrogen, the liquid nitrogen is placed the box and is provided with a plurality of second shower nozzles on the liquid nitrogen box, one side that the liquid nitrogen cooling tank kept away from the pipeline fixedly connected with to the delivery end is placed to the delivery end, the liquid nitrogen pipeline is placed to the delivery end.
Through adopting above-mentioned technical scheme, water circulation flows in the box, and through liquid nitrogen cooling again, can constantly spray the cooling for the storage tank, and the furthest utilizes the water resource, has reduced the waste of water resource, has improved the efficiency of spraying the cooling.
The utility model is further provided with: the box body is fixedly provided with a second water outlet pipe, and a second valve is arranged on the second water outlet pipe.
Through adopting above-mentioned technical scheme, when the water of box became turbid unable continuous use, rotated the second valve and opened the second outlet pipe and put down water, can discharge sewage out the box.
The utility model is further provided with: and a temperature sensor is arranged on the outer wall of the box body.
By adopting the technical scheme, the temperature sensor can be used for observing the temperature change in the box body.
The utility model is further provided with: the box body is provided with a door plate, and a handle is fixedly arranged on the door plate.
By adopting the technical scheme, the door plate is opened, the condition inside the box body can be observed, and if parts are damaged, the maintenance and the replacement can be carried out.
The utility model is further provided with: the storage tank surface is provided with the condenser pipe, and the condenser pipe is spiral winding on the storage tank, the both ends intercommunication condensation inlet tube and condensation outlet pipe of condenser pipe, the input of condensation inlet tube runs through the box to outside, the output of condensation outlet pipe runs through the box to outside.
By adopting the technical scheme, cold water is injected into the condensing pipe, and the condensing pipe surrounds the surface of the storage tank, so that the surface of the storage tank can be quickly cooled.
The utility model is further provided with: the cooling box is internally and fixedly provided with a filter screen, and the filter screen is positioned under the liquid nitrogen placing box.
Through adopting above-mentioned technical scheme, the filter screen is located under the box is placed to liquid nitrogen, and the filter screen can filter impurity, prevents to mix into in the aquatic, when spraying the storage tank, impurity can cause the harm to the storage tank surface.
In summary, the utility model has the following beneficial effects: the condenser pipe that encircles at the storage tank surface can cool down to the storage tank surface fast, and water flows in the box circulation, and the rethread liquid nitrogen cooling is constantly sprayed the cooling for the storage tank, and furthest utilizes the water resource, has reduced the waste of water resource, has improved the efficiency of spraying the cooling, observes the change of temperature in the box through the temperature-sensing ware that sets up on the box outer wall, and when the water of box became turbid unable continuation use, the accessible second valve opened the second outlet pipe and is discharged, can discharge sewage out the box.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the door panel of the present utility model with the door panel removed;
FIG. 2 is a schematic three-dimensional structure of the present utility model;
FIG. 3 is a schematic top view of the present utility model;
FIG. 4 is a schematic side view of the present utility model;
fig. 5 is a schematic diagram of the internal structure of the cooling box according to the present utility model.
In the figure: 1. a case; 2. a water pump; 3. a first water inlet pipe; 4. a first water outlet pipe; 5. a condensing tube; 6. a storage tank; 7. a fixed bracket; 8. a second water inlet pipe; 9. a second water outlet pipe; 10. a first valve; 11. condensing a water inlet pipe; 12. condensing a water outlet pipe; 13. a connection box; 14. a first nozzle; 15. a cooling box; 16. a liquid nitrogen pipeline; 17. a motor; 18. a door panel; 19. a handle; 20. a second valve; 21. a temperature sensor; 22. a second nozzle; 23. a filter screen; 24. the box is placed to liquid nitrogen.
Detailed Description
The present utility model will be further described with reference to the drawings in the embodiments of the present utility model.
Referring to fig. 1-5, in the embodiment of the utility model, a spraying pressure reducing device for a low-temperature liquid storage tank comprises a tank body 1, wherein a fixed bracket 7 is fixedly arranged at the bottom of an inner cavity of the tank body 1, a storage tank 6 is fixedly arranged on the fixed bracket 7, a second water inlet pipe 8 is fixedly arranged at one side of the tank body 1, a first valve 10 is arranged on the second water inlet pipe 8, a water pump 2 is arranged at one side of the tank body 1 far away from the second water inlet pipe 8, a water inlet end of the water pump 2 is communicated with a first water inlet pipe 3, a water outlet end of the water pump 2 is communicated with a first water outlet pipe 4, the first water inlet pipe 3 extends into the bottom of the inner cavity of the tank body 1, a cooling tank 15 is fixedly arranged on the first water outlet pipe 4, a water outlet end of the first water outlet pipe 4 extends through to the top wall of the tank body 1, a first spray head 14 is fixedly arranged at a water outlet end of the first water outlet pipe 4, the first spray head 14 is positioned right above the storage tank 6, a motor 17 is fixedly arranged on the side wall of the cooling tank 15, a liquid nitrogen placing box 24 is fixedly arranged at the output end of the motor 17, the liquid nitrogen placing box 24 is positioned in the inner cavity of the cooling tank 15, a plurality of second spray heads 22 are arranged on the liquid nitrogen placing box 24, a liquid nitrogen pipeline 16 is fixedly connected with one side wall of the cooling tank 15, which is far away from the motor 17, the conveying end of the liquid nitrogen pipeline 16 penetrates into the liquid nitrogen placing box 24, the output end of the liquid nitrogen pipeline 16 is in rotary connection with the liquid nitrogen placing box 24, a certain amount of water is placed in the tank body 1 by opening a second water inlet pipe 8, the second water inlet pipe 8 is closed by rotating a first valve 10, the water pump 2 is started, the water in the tank body 1 flows to the first water outlet pipe 4 by the first water inlet pipe 3, then liquid nitrogen is added into the liquid nitrogen placing box 24 by the liquid nitrogen pipeline 16, then, the motor 17 is started to drive the liquid nitrogen placing box 24 to rotate, liquid nitrogen is sprayed to the inner space of the cooling box 15 by the second spray head 22, water is contacted with the liquid nitrogen to be rapidly cooled and then sprayed to the storage tank 6 from the first spray head 14, the flowing water gathers at the bottom of the box body 1 and enters the water pump 2 through the first water inlet pipe 3, the water circularly flows in the box body 1, and then is cooled by the liquid nitrogen, so that the storage tank 6 can be continuously sprayed and cooled, water resources are utilized to the greatest extent, the waste of the water resources is reduced, and the spraying cooling efficiency is improved.
In this embodiment, preferably, the second water outlet pipe 9 is fixedly installed on the tank 1, and the second water outlet pipe is provided with the second valve 20, when the water in the tank 1 becomes turbid and cannot be used continuously, the second valve 20 is turned to open the second water outlet pipe 9 to drain water, so that the sewage can be discharged out of the tank 1.
In this embodiment, preferably, a temperature sensor 21 is disposed on the outer wall of the case 1, and the model of the temperature sensor 21 is XW-TH-B/O, which is used for measuring and displaying the ambient temperature and humidity, and the product is a high-performance inlet component, and is designed to resist electromagnetic interference, so that the temperature change in the case 1 can be observed through the temperature sensor 21.
In this embodiment, preferably, the door plate 18 is provided on the case 1, and the handle 19 is fixedly installed on the door plate 18, so that the door plate 18 can be opened to observe the internal condition of the case 1, if the part is damaged, the case can be maintained and replaced.
Referring to fig. 1, in the embodiment of the present utility model, a condensation pipe 5 is disposed on the surface of the storage tank 6, the condensation pipe 5 is spirally wound on the storage tank 6, two ends of the condensation pipe 5 are connected to a condensation water inlet pipe 11 and a condensation water outlet pipe 12, an input end of the condensation water inlet pipe 11 penetrates through the box body 1 to the outside, an output end of the condensation water outlet pipe 12 penetrates through the box body 1 to the outside, cold water is injected into the condensation pipe 5, and the condensation pipe 5 surrounds the surface of the storage tank 6, so that the surface of the storage tank 6 can be rapidly cooled.
Referring to fig. 5, in the embodiment of the present utility model, a filter screen 23 is fixedly installed inside the cooling tank 15, the filter screen 23 is located under the liquid nitrogen placement box 24, and the filter screen 23 can filter impurities to prevent the impurities from being mixed into water, so that the impurities will damage the surface of the storage tank 6 when spraying the storage tank 6.
Working principle: after the second water inlet pipe 8 is opened to discharge water into the box body 1 for about 5 minutes, the first valve 10 is rotated to close the second water inlet pipe 8, the water pump 2 is started, water in the box body 1 has the first water inlet pipe 3 to flow to the first water outlet pipe 4, then the liquid nitrogen pipeline 16 is opened, liquid nitrogen is added into the liquid nitrogen placing box 24, then the motor 17 is started, the liquid nitrogen placing box 24 is driven to rotate, the liquid nitrogen is sprayed to the inner space of the cooling box 15 by the second spray head 22, the water is contacted with the liquid nitrogen to be rapidly cooled, then the liquid nitrogen is sprayed to the storage tank 6 from the first spray head 14, the flowing water is gathered at the bottom of the box body 1 and enters the water pump 2 from the first water inlet pipe 3, and the liquid nitrogen is sprayed to the storage tank 6 to be cooled in a circulating and reciprocating mode.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (6)
1. The utility model provides a low temperature liquid storage tank sprays depressurization device, includes box (1), its characterized in that: the utility model discloses a liquid nitrogen cooling device, including box (1), motor (24) and box (24) that cooling device, box (1) inner chamber bottom fixed mounting has fixed bolster (7), fixed mounting has storage tank (6) on fixed bolster (7), fixed mounting has second inlet tube (8) on one side of box (1), be provided with first valve (10) on second inlet tube (8), one side that second inlet tube (8) was kept away from to box (1) is provided with water pump (2), the inlet end intercommunication of water pump (2) is provided with first inlet tube (3), the outlet end intercommunication of water pump (2) is provided with first outlet tube (4), first inlet tube (3) stretch into the bottom of box (1) inner chamber, fixed mounting has cooling tank (15) on first outlet tube (4), the outlet end of first outlet tube (4) runs through to the roof of box (1), the outlet end fixed mounting of first outlet tube (4) has first shower nozzle (14), first shower nozzle (14) are located directly over storage tank (6), the outlet end intercommunication of water pump (2) is provided with first outlet tube (4), cooling device (24) are placed in the bottom of box (24) inner chamber (24), the cooling box (15) is far away from a side wall of the motor (17) and is fixedly connected with a liquid nitrogen pipeline (16), a conveying end of the liquid nitrogen pipeline (16) penetrates into the liquid nitrogen placing box (24), and an output end of the liquid nitrogen pipeline (16) is rotationally connected with the liquid nitrogen placing box (24).
2. The cryogenic liquid storage tank spray depressurization device of claim 1 wherein: the box body (1) is fixedly provided with a second water outlet pipe (9), and the second water outlet pipe (9) is provided with a second valve (20).
3. The cryogenic liquid storage tank spray depressurization device of claim 1 wherein: the outer wall of the box body (1) is provided with a temperature sensor (21).
4. The cryogenic liquid storage tank spray depressurization device of claim 1 wherein: the novel box is characterized in that a door plate (18) is arranged on the box body (1), and a handle (19) is fixedly arranged on the door plate (18).
5. The cryogenic liquid storage tank spray depressurization device of claim 1 wherein: the utility model discloses a storage tank, including storage tank (6), condenser pipe (5) are provided with condenser pipe (5) on storage tank (6) surface, the both ends intercommunication condensation inlet tube (11) and condensation outlet pipe (12) of condenser pipe (5), the input of condensation inlet tube (11) runs through box (1) to outside, the output of condensation outlet pipe (12) runs through box (1) to outside.
6. The cryogenic liquid storage tank spray depressurization device of claim 1 wherein: the cooling box (15) is internally and fixedly provided with a filter screen (23), and the filter screen (23) is positioned under the liquid nitrogen placing box (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321312348.5U CN219809786U (en) | 2023-05-25 | 2023-05-25 | Spraying pressure reducing device for low-temperature liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321312348.5U CN219809786U (en) | 2023-05-25 | 2023-05-25 | Spraying pressure reducing device for low-temperature liquid storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809786U true CN219809786U (en) | 2023-10-10 |
Family
ID=88210609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321312348.5U Active CN219809786U (en) | 2023-05-25 | 2023-05-25 | Spraying pressure reducing device for low-temperature liquid storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219809786U (en) |
-
2023
- 2023-05-25 CN CN202321312348.5U patent/CN219809786U/en active Active
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