CN220082814U - LNG gasification cold fog formation inhibition system - Google Patents
LNG gasification cold fog formation inhibition system Download PDFInfo
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- CN220082814U CN220082814U CN202321674209.7U CN202321674209U CN220082814U CN 220082814 U CN220082814 U CN 220082814U CN 202321674209 U CN202321674209 U CN 202321674209U CN 220082814 U CN220082814 U CN 220082814U
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 19
- 238000002309 gasification Methods 0.000 title abstract description 17
- 230000005764 inhibitory process Effects 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 287
- 239000006200 vaporizer Substances 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003345 natural gas Substances 0.000 claims abstract description 14
- 230000001629 suppression Effects 0.000 claims description 11
- 230000008016 vaporization Effects 0.000 claims description 11
- 238000009834 vaporization Methods 0.000 claims description 11
- 239000003595 mist Substances 0.000 claims description 10
- 239000003949 liquefied natural gas Substances 0.000 description 19
- 238000005265 energy consumption Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to an LNG gasification cold fog formation inhibition system, which comprises an LNG storage tank, an air-temperature gasifier, a water bath type gasifier, a hot water circulation device and a natural gas output pipeline; the output end of the LNG storage tank is respectively communicated with the input end of the air-temperature type gasifier and the input end of the water bath type gasifier through pipelines; the output end of the air-temperature type gasifier and the output end of the water bath type gasifier are communicated with the input end of the natural gas output pipeline through pipelines; the hot water circulating device comprises a hot water furnace, a backwater water storage device and a water heating radiator, wherein the water outlet end of the hot water furnace is communicated with the water inlet end of the water bath type vaporizer, the water outlet end of the water bath type vaporizer is respectively communicated with the water inlet end of the hot water furnace and the water inlet end of the backwater water storage device, the water outlet end of the backwater water storage device is communicated with the water inlet end of the water heating radiator, and the water heating radiator is arranged at the nearly empty temperature type vaporizer. The utility model reduces the generation of cold fog, saves resources and reduces the running cost.
Description
Technical Field
The utility model relates to the field of liquefied natural gas, in particular to an LNG gasification cold fog formation inhibition system.
Background
At present, the utility model of a system for suppressing cold fog and saving energy of an LNG gasification station, which is entitled to CN 215522870U, discloses a system for suppressing cold fog and saving energy of an LNG gasification station, which is provided with a plurality of gasification modes with different energy consumption by configuring gasification devices in different forms. When LNG gasifies the air feed, the gasification mode that the energy consumption is lower is selected preferably, monitors environment and operation data through detection module and feeds back to control module, if control module judges can produce the cold fog, then switch to the higher gasification mode of energy consumption, regulate and control water supply temperature of water bath formula gasifier through the flow and the temperature control of natural gas export pipeline export simultaneously. By the method, influence of a large amount of cold fog generated in the LNG gasification process on the surrounding environment can be avoided, and meanwhile energy consumption required by gasification can be reduced to the greatest extent, so that the purposes of inhibiting cold fog generation and saving energy are achieved. Wherein the gasification mode comprises from low to high energy consumption: an independent operation mode of the air-temperature type gasifier, a combined operation mode of the water bath type gasifier and the air-temperature type reheater, and an independent operation mode of the water bath type gasifier. The gasification mode can be switched by the control system according to the field environment and the running condition, so that the purposes of suppressing cold fog and saving energy are achieved.
However, when the cold fog is too much, the water bath type vaporizer is started, so that the water bath type vaporizer is in the circulation of continuously shutting down and starting up, and after the water bath type vaporizer is shut down, hot water for heating LNG can be gradually cooled, so that the temperature needs to be increased again after restarting, the starting up cost is high, and the resource waste is caused.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide an LNG gasification cold fog formation inhibition system which saves resources and has low operation cost.
The aim of the utility model is realized by the following technical scheme:
an LNG gasification cold fog formation inhibition system comprises an LNG storage tank, an air-temperature gasifier, a water bath type gasifier, a hot water circulation device and a natural gas output pipeline; the output end of the LNG storage tank is respectively communicated with the input end of the air-temperature type gasifier and the input end of the water bath type gasifier through pipelines; the output end of the air-temperature type gasifier and the output end of the water bath type gasifier are communicated with the input end of the natural gas output pipeline through pipelines; the hot water circulating device comprises a hot water furnace, a backwater water storage device and a water heating radiator, wherein the water outlet end of the hot water furnace is communicated with the water inlet end of the water bath type vaporizer, the water outlet end of the water bath type vaporizer is respectively communicated with the water inlet end of the hot water furnace and the water inlet end of the backwater water storage device, the water outlet end of the backwater water storage device is communicated with the water inlet end of the water heating radiator, and the water heating radiator is arranged at the nearly empty temperature type vaporizer.
Further, the water bath type vaporizer is also connected with an air temperature type reheater, the output end of the water bath type vaporizer is also communicated with the input end of the air temperature type reheater through a pipeline, and the output end of the air temperature type reheater is communicated with the natural gas output pipeline through a pipeline.
Further, the water heating radiator is also arranged near the air temperature type reheater.
Further, the water heating radiator near the air temperature type reheater is arranged around the air temperature type reheater.
Further, the height of the water heating radiator near the air temperature type reheater is lower than that of the air temperature type reheater.
Further, the water heating radiator near the air temperature type vaporizer is arranged around the air temperature type vaporizer.
Further, the height of the water heating radiator near the air temperature type vaporizer is lower than the height of the air temperature type vaporizer.
Further, the water outlet end of the water heating radiator is connected with a cold water reservoir, the water outlet end of the water heating radiator is communicated with the water inlet end of the cold water reservoir, and the water outlet end of the cold water reservoir is communicated with the water inlet end of the hot water boiler.
Further, a first water valve is arranged between the water outlet end of the water heater and the water inlet end of the water bath type vaporizer;
a second water valve is arranged between the water outlet end of the water bath type vaporizer and the water inlet end of the water heater;
a third water valve is arranged between the water outlet end of the water bath type vaporizer and the water inlet end of the backwater water storage device;
a fourth water valve is arranged between the water outlet end of the backwater water storage device and the water inlet end of the water heating radiator;
a fifth water valve is arranged between the water outlet end of the water heating radiator and the water inlet end of the cold water reservoir;
a sixth water valve is arranged between the water outlet end of the cold water reservoir and the water inlet end of the hot water boiler.
Further, the backwater water storage device is provided with a temperature sensor for detecting the water temperature in the backwater water storage device, an air temperature sensor for detecting the ambient temperature is arranged outside the air temperature type vaporizer, the temperature sensor is electrically connected with a controller, and the controller is electrically connected with the air temperature sensor.
The beneficial effects of the utility model are as follows:
through hot water circulating device, will store in the backwater water reservoir to backwater behind the water bath formula vaporizer heat supply, after empty warm formula vaporizer work again and appear cold fog, through leading the hot water in the backwater water reservoir to the warm radiator of water, the surrounding environment of empty warm formula vaporizer heats, can reduce cold fog's formation, realized the reutilization to backwater behind the water bath formula vaporizer heat supply, resources are saved has reduced running cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural diagram of a water heating radiator.
In the figure, a 1-LNG storage tank, a 2-air temperature type gasifier, a 3-water bath type gasifier, a 4-natural gas output pipeline, a 5-water heater, a 6-backwater water storage device, a 7-water heating radiator, an 8-cold water storage device, a 11-first water valve, a 12-second water valve, a 13-third water valve, a 14-fourth water valve, a 15-fifth water valve and a 16-sixth water valve are arranged.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
Embodiment one:
as shown in fig. 1 to 2, an LNG vaporization cold mist formation suppression system includes an LNG storage tank 1, an air-temperature vaporizer 2, a water bath vaporizer 3, a hot water circulation device, and a natural gas output pipe 4; the output end of the LNG storage tank 1 is respectively communicated with the input end of the air-temperature type gasifier 2 and the input end of the water bath type gasifier 3 through pipelines; the output end of the air-temperature type gasifier 2 and the output end of the water bath type gasifier 3 are communicated with the input end of the natural gas output pipeline 4 through pipelines; the hot water circulating device comprises a hot water furnace 5, a backwater water storage device 6 and a water heating radiator 7, wherein the water outlet end of the hot water furnace 5 is communicated with the water inlet end of the water bath type vaporizer, the water outlet end of the water bath type vaporizer is respectively communicated with the water inlet end of the hot water furnace 5 and the water inlet end of the backwater water storage device 6, the water outlet end of the backwater water storage device 6 is communicated with the water inlet end of the water heating radiator 7, and the water heating radiator 7 is arranged at the near-air temperature type vaporizer.
Through hot water circulating device, will store in backwater water storage ware 6 to backwater after the water bath formula vaporizer heat supply, after air temperature formula vaporizer 2 works once more and appears cold fog, through letting in the hot water in the backwater water storage ware 6 hot water to the hot water radiator 7, the surrounding environment of air temperature formula vaporizer heats up, can reduce cold fog's formation, realized the reutilization to backwater after the water bath formula vaporizer heat supply, resources are saved has reduced running cost.
And an insulating layer is arranged outside the backwater water reservoir 6.
A heating layer is arranged outside the backwater water reservoir 6.
The water bath type vaporizer is also connected with an air temperature type reheater, the output end of the water bath type vaporizer is also communicated with the input end of the air temperature type reheater through a pipeline, and the output end of the air temperature type reheater is communicated with the natural gas output pipeline 4 through a pipeline.
The water heating radiator 7 is also arranged near the air temperature type reheater.
The water heating radiator 7 near the air temperature type vaporizer is arranged around the air temperature type vaporizer.
The height of the water heating radiator 7 near the air temperature type vaporizer is lower than that of the air temperature type vaporizer.
The water heating radiator 7 near the air temperature type reheater is arranged around the air temperature type reheater.
The height of the water heating radiator 7 near the air temperature type reheater is lower than that of the air temperature type reheater.
The water outlet end of the water heating radiator 7 is connected with a cold water reservoir 8, the water outlet end of the water heating radiator 7 is communicated with the water inlet end of the cold water reservoir 8, and the water outlet end of the cold water reservoir 8 is communicated with the water inlet end of the hot water boiler 5.
A first water valve 11 is arranged between the water outlet end of the water heater 5 and the water inlet end of the water bath type carburetor.
A second water valve 12 is arranged between the water outlet end of the water bath type vaporizer and the water inlet end of the water heater 5.
A third water valve 13 is arranged between the water outlet end of the water bath type vaporizer and the water inlet end of the backwater water storage device 6.
A fourth water valve 14 is arranged between the water outlet end of the backwater water reservoir 6 and the water inlet end of the water heating radiator 7.
A fifth water valve 15 is arranged between the water outlet end of the water heating radiator 7 and the water inlet end of the cold water reservoir 8.
A sixth water valve 16 is arranged between the water outlet end of the cold water reservoir 8 and the water inlet end of the hot water boiler 5.
The backwater water storage device 6 is provided with a temperature sensor for detecting the water temperature in the backwater water storage device 6, an air temperature sensor for detecting the ambient temperature is arranged outside the air temperature type vaporizer, the temperature sensor is electrically connected with a controller, and the controller is electrically connected with the air temperature sensor.
And an air temperature sensor for detecting the ambient temperature is also arranged outside the air temperature type reheater.
The air temperature type gasifier 2 is provided with two air temperature type gasifiers, and the two air temperature type gasifiers 2 are connected in parallel.
The two water bath type gasifiers 3 are arranged in total, and the two water bath type gasifiers 3 are connected in parallel.
The air temperature type heat recovery device is characterized in that two air temperature type heat recovery devices are arranged in total, and the two air temperature type heat recovery devices are connected in parallel.
A first control valve for controlling the opening or closing of the pipeline is arranged on the pipeline between the output end of the LNG storage tank 1 and the input end of the air temperature type gasifier 2.
And a second control valve for controlling the opening or closing of the pipeline is arranged on the pipeline between the output end of the LNG storage tank 1 and the input end of the water bath type gasifier 3.
A third control valve for controlling the opening or closing of the pipeline is arranged on the pipeline between the output end of the water bath type gasifier 3 and the input end of the air temperature type reheater;
a fourth control valve for controlling the opening or closing of the pipeline is arranged on the pipeline between the output end of the water bath type gasifier 3 and the input end of the natural gas output pipeline 4.
The system also comprises an instrument, wherein the instrument is used for monitoring temperature, pressure and flow data in the system and feeding back the data to the controller, and the controller controls the opening or closing of the control valve on each pipeline in the system through set logic.
The system also comprises a climate collecting box, wherein the climate collecting box is used for collecting environmental temperature data, relative humidity data and wind speed data around the LNG gasification station.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (10)
1. An LNG vaporization cold fog formation suppression system, characterized by: comprises an LNG storage tank, an air temperature type gasifier, a water bath type gasifier, a hot water circulating device and a natural gas output pipeline; the output end of the LNG storage tank is respectively communicated with the input end of the air-temperature type gasifier and the input end of the water bath type gasifier through pipelines; the output end of the air-temperature type gasifier and the output end of the water bath type gasifier are communicated with the input end of the natural gas output pipeline through pipelines; the hot water circulating device comprises a hot water furnace, a backwater water storage device and a water heating radiator, wherein the water outlet end of the hot water furnace is communicated with the water inlet end of the water bath type vaporizer, the water outlet end of the water bath type vaporizer is respectively communicated with the water inlet end of the hot water furnace and the water inlet end of the backwater water storage device, the water outlet end of the backwater water storage device is communicated with the water inlet end of the water heating radiator, and the water heating radiator is arranged at the near-air temperature type vaporizer.
2. An LNG vaporization cold mist formation suppression system as set forth in claim 1, wherein: the water bath type vaporizer is also connected with an air temperature type reheater, the output end of the water bath type vaporizer is also communicated with the input end of the air temperature type reheater through a pipeline, and the output end of the air temperature type reheater is communicated with the natural gas output pipeline through a pipeline.
3. An LNG vaporization cold mist formation suppression system as set forth in claim 2, wherein: the water heating radiator is also arranged near the air temperature type reheater.
4. An LNG vaporization cold mist formation suppression system as set forth in claim 2, wherein: the water heating radiator near the air temperature type reheater is arranged around the air temperature type reheater.
5. An LNG vaporization cold mist formation suppression system as set forth in claim 2, wherein: the height of the water heating radiator near the air temperature type reheater is lower than that of the air temperature type reheater.
6. An LNG vaporization cold mist formation suppression system as set forth in claim 1, wherein: the water heating radiator near the air temperature type vaporizer is arranged around the air temperature type vaporizer.
7. An LNG vaporization cold mist formation suppression system as set forth in claim 1, wherein: the height of the water heating radiator near the air temperature type vaporizer is lower than that of the air temperature type vaporizer.
8. An LNG vaporization cold mist formation suppression system as set forth in claim 1, wherein: the water outlet end of the water heating radiator is connected with a cold water reservoir, the water outlet end of the water heating radiator is communicated with the water inlet end of the cold water reservoir, and the water outlet end of the cold water reservoir is communicated with the water inlet end of the hot water furnace.
9. An LNG vaporization cold mist formation suppression system as set forth in claim 1, wherein: a first water valve is arranged between the water outlet end of the water heater and the water inlet end of the water bath type vaporizer;
a second water valve is arranged between the water outlet end of the water bath type vaporizer and the water inlet end of the water heater;
a third water valve is arranged between the water outlet end of the water bath type vaporizer and the water inlet end of the backwater water storage device;
a fourth water valve is arranged between the water outlet end of the backwater water storage device and the water inlet end of the water heating radiator;
a fifth water valve is arranged between the water outlet end of the water heating radiator and the water inlet end of the cold water reservoir;
a sixth water valve is arranged between the water outlet end of the cold water reservoir and the water inlet end of the hot water boiler.
10. An LNG vaporization cold mist formation suppression system as set forth in claim 1, wherein: the air temperature type evaporator is characterized in that the backwater water storage device is provided with a temperature sensor for detecting the water temperature in the backwater water storage device, an air temperature sensor for detecting the ambient temperature is arranged outside the air temperature type evaporator, the temperature sensor is electrically connected with a controller, and the controller is electrically connected with the air temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321674209.7U CN220082814U (en) | 2023-06-28 | 2023-06-28 | LNG gasification cold fog formation inhibition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321674209.7U CN220082814U (en) | 2023-06-28 | 2023-06-28 | LNG gasification cold fog formation inhibition system |
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| Publication Number | Publication Date |
|---|---|
| CN220082814U true CN220082814U (en) | 2023-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321674209.7U Active CN220082814U (en) | 2023-06-28 | 2023-06-28 | LNG gasification cold fog formation inhibition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220082814U (en) |
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2023
- 2023-06-28 CN CN202321674209.7U patent/CN220082814U/en active Active
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