CN214037834U - Liquefied natural gas storage tank flash steam recovery unit - Google Patents
Liquefied natural gas storage tank flash steam recovery unit Download PDFInfo
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- CN214037834U CN214037834U CN202022964141.9U CN202022964141U CN214037834U CN 214037834 U CN214037834 U CN 214037834U CN 202022964141 U CN202022964141 U CN 202022964141U CN 214037834 U CN214037834 U CN 214037834U
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Abstract
The utility model discloses a liquefied natural gas storage tank flash distillation vapour recovery unit, including installation base, liquefied natural gas storage tank body, first flash steam recovery jar, second flash steam recovery jar and water inlet, be equipped with heat preservation and temperature-insulated layer on the inside of liquefied natural gas storage tank body in proper order, the inside top fixed mounting of liquefied natural gas storage tank body has temperature sensor, the centre at liquefied natural gas storage tank body top is through the first flash steam recovery jar of flash steam conveying pipe fixedly connected with, one side at first flash steam recovery jar top is through flash steam conveying pipe fixedly connected with second flash steam recovery jar, fixed mounting has the water pipe on the flash steam conveying pipe, the both sides of water pipe are equipped with water inlet and delivery port respectively. The utility model discloses a flow liquid table and solenoid valve and siren and first flash of steam recovery jar have realized that the liquefied natural gas storage tank can carry out flash distillation vapour and retrieve, have improved recovery unit's practicality.
Description
Technical Field
The utility model relates to a liquefied natural gas flash distillation vapour recovery technical field specifically is a liquefied natural gas storage tank flash distillation vapour recovery unit.
Background
The liquefied natural gas storage tank is a professional product for storing liquefied natural gas, special equipment, three types of pressure vessels, and 06Ni9DR material, is manufactured by the processes of flaw detection, hydrostatic pressure test, on-site inspection by a technical supervision bureau, issuing of a pressure vessel inspection certificate, external derusting, paint spraying and the like, has strict quality identification on the materials, the appearance sizes, the weld quality, the operation quality, the installation quality, internal devices and safety accessories of a pressure element, and currently needs a liquefied natural gas storage tank flash steam recovery device, but the existing liquefied natural gas storage tank flash steam recovery device has many problems or defects:
1. most of the existing flash steam recovery devices have certain limitations, flash steam in the recovery devices cannot be monitored constantly, and the situation that the flash steam in the recovery devices is filled with the flash steam and cannot be processed in time easily occurs, so that the flash steam in the liquefied natural gas storage tank cannot be recovered continuously, and the storage of the liquefied natural gas is influenced;
2. and the existing recovery device can not carry out secondary utilization on heat energy, thereby causing certain resource waste and reducing the environmental protection performance of the device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquefied natural gas storage tank flash distillation vapour recovery unit to solve the problem that the recovery unit work efficiency that proposes is low among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liquefied natural gas storage tank flash distillation vapour recovery unit, includes installation base, liquefied natural gas storage tank body, first flash steam recovery jar, second flash steam recovery jar and water inlet, liquefied natural gas storage tank body, first flash steam recovery jar and second flash steam recovery jar have been placed in proper order to the opposite side from one side in the top of installation base, be equipped with heat preservation and heat insulation layer on the inside of liquefied natural gas storage tank body in proper order, the inside top fixed mounting of liquefied natural gas storage tank body has temperature sensor, the first flash steam recovery jar of positive through flash steam conveying pipe fixedly connected with at liquefied natural gas storage tank body top, the positive fixed mounting of first flash steam recovery jar has control panel, one side fixed mounting of control panel has the siren, one side at first flash steam recovery jar top is through flash steam conveying pipe fixedly connected with second flash steam recovery jar, flash distillation vapour conveying pipe at liquefied natural gas storage tank body top and the flash distillation vapour conveying pipe at first flash distillation vapour recovery tank top and with second flash distillation vapour recovery tank fixed connection's flash distillation vapour conveying pipe on all fixed mounting have the flow liquid table and the solenoid valve that the cooperation was used, fixed mounting has the water pipe on the flash distillation vapour conveying pipe, the both sides of water pipe are equipped with water inlet and delivery port respectively.
Preferably, the centre fixed mounting of liquefied natural gas storage tank body one side has the liquefied natural gas import, and is equipped with the manual control valve that the cooperation was used in the liquefied natural gas import.
Preferably, a three-way connecting pipe matched with the flash steam conveying pipe is fixedly installed on the flash steam conveying pipe fixedly connected between the liquefied natural gas storage tank body and the first flash steam recovery tank.
Preferably, the liquefied natural gas storage tank body and the bottoms of the first flash steam recovery tank and the second flash steam recovery tank are respectively and fixedly provided with supporting legs and a frame-shaped supporting frame which are matched for use.
Preferably, the control panel is electrically connected with the temperature sensor, the liquid flow meter, the electromagnetic valve and the alarm through leads respectively.
Preferably, a flash steam exhaust port matched with the second flash steam recovery tank is fixedly arranged at the bottom of one side of the second flash steam recovery tank.
Compared with the prior art, the utility model discloses an innovation point effect is: this liquefied natural gas storage tank flash distillation vapour recovery unit is reasonable, has following advantage:
(1) the liquid flow meter is matched with the electromagnetic valve and the alarm, so that the liquefied natural gas storage tank body can monitor the water vapor in the first flash vapor recovery tank in the process of recovering the flash vapor, when the transmission amount reaches a preset threshold value, the liquid flow meter can send a signal to the control panel through a lead so as to send an alarm to the alarm, and a worker can control the electromagnetic valve to be closed through the control panel to stop recovering the flash vapor, so that the practicability of the recovery device is improved;
(2) through the matching use of the water inlet, the water pipe and the water outlet, the liquefied natural gas can carry out secondary utilization on heat energy in flash steam in the recovery process of the flash steam, city water supply in the water pipe is preheated, the situation that the heat energy in the flash steam is automatically dissipated to cause data waste is avoided, and the environmental protection performance of the recovery device is improved;
(3) through the cooperation between heat preservation and the heat insulation layer, make liquefied natural gas storage tank body can carry out isolated to a certain extent to external temperature in the use, thereby avoided liquefied natural gas storage tank body to lead to the liquefied natural gas in the liquefied natural gas storage tank body inside to rise the condition emergence that the pressure value too big leads to the liquefied natural gas in the jar to take place flash evaporation with very fast speed because of the too high and influence of external ambient temperature at the in-process of storing liquefied natural gas, the suitability of liquefied natural gas storage tank body has been improved.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic view of a partial front sectional structure of the present invention;
fig. 4 is a schematic view of the local front view structure of the present invention.
In the figure: 1. installing a base; 2. a liquefied natural gas storage tank body; 201. a heat-insulating layer; 202. a thermal insulation layer; 203. a temperature sensor; 204. a liquefied natural gas inlet; 205. a manual control valve; 206. a flash steam delivery pipe; 207. a three-way connecting pipe; 208. a liquid flow meter; 209. an electromagnetic valve; 3. a first flash vapor recovery tank; 301. supporting legs; 302. a control panel; 303. an alarm; 4. a second flash steam recovery tank; 401. a frame-shaped support frame; 402. a flash steam exhaust port; 5. a water inlet; 501. a water pipe; 502. and (7) a water outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a liquefied natural gas storage tank flash distillation vapour recovery unit, including installation base 1, liquefied natural gas storage tank body 2, first flash steam recovery jar 3, second flash steam recovery jar 4 and water inlet 5, liquefied natural gas storage tank body 2 has been placed from one side toward the opposite side in proper order to the top of installation base 1, first flash steam recovery jar 3 and second flash steam recovery jar 4, be equipped with heat preservation 201 and heat insulating layer 202 on liquefied natural gas storage tank body 2's the inside in proper order, cooperation through heat preservation 201 and between heat insulating layer 202 is used, thereby make liquefied natural gas storage tank body 2 can carry out certain isolated to external temperature in the use, thereby avoided liquefied natural gas storage tank body 2 to send out the condition of flash steam with the speed emergence that leads to the liquefied natural gas in the liquefied natural gas storage tank body 2 inside temperature rising pressure value too big thereby leading to the jar of liquefied natural gas because of the influence easily because of external ambient temperature too high at the in-process of storage liquefied natural gas storage tank body A temperature sensor 203 is fixedly arranged at the top inside the liquefied natural gas storage tank body 2, a liquefied natural gas inlet 204 is fixedly arranged in the middle of one side of the liquefied natural gas storage tank body 2, and a manual control valve 205 matched with the liquefied natural gas inlet 204 is arranged on the liquefied natural gas inlet 204;
specifically, a first flash vapor recovery tank 3 is fixedly connected to the center of the top of the liquefied natural gas storage tank body 2 through a flash vapor transmission pipe 206, and a three-way connection pipe 207 used in cooperation is fixedly installed on the flash vapor transmission pipe 206 fixedly connected between the liquefied natural gas storage tank body 2 and the first flash vapor recovery tank 3;
specifically, a control panel 302 is fixedly installed on the front surface of the first flash steam recovery tank 3, an alarm 303 is fixedly installed on one side of the control panel 302, the control panel 302 is electrically connected with the temperature sensor 203, the liquid level meter 208, the electromagnetic valve 209 and the alarm 303 through conducting wires, a second flash steam recovery tank 4 is fixedly connected to one side of the top of the first flash steam recovery tank 3 through a flash steam conveying pipe 206, and a flash steam exhaust port 402 used in a matched manner is fixedly installed at the bottom of one side of the second flash steam recovery tank 4;
specifically, the bottoms of the liquefied natural gas storage tank body 2, the first flash vapor recovery tank 3 and the second flash vapor recovery tank 4 are respectively and fixedly provided with a supporting leg 301 and a frame-shaped supporting frame 401 which are used in a matched manner, the flash vapor transmission pipe 206 at the top of the liquefied natural gas storage tank body 2, the flash vapor transmission pipe 206 at the top of the first flash vapor recovery tank 3 and the flash vapor transmission pipe 206 fixedly connected with the second flash vapor recovery tank 4 are respectively and fixedly provided with a liquid flow meter 208 and an electromagnetic valve 209 which are used in a matched manner, and the liquid flow meter 208, the electromagnetic valve 209 and the alarm 303 are used in a matched manner, so that the liquefied natural gas storage tank body 2 can monitor the water vapor in the first flash vapor recovery tank 3 in the flash vapor recovery process, when the transmission amount reaches a preset threshold value, the liquid flow meter 208 sends a signal to the control panel 302 through a lead wire so as to send an alarm 303, the staff can close the electromagnetic valve 209 to stop the recovery of the flash steam through the control panel 302;
specifically, fixed mounting has water pipe 501 on the flash distillation vapour conveying pipe 206, and water pipe 501's both sides are equipped with water inlet 5 and delivery port 502 respectively, use through the cooperation between water inlet 5 and water pipe 501 and the delivery port 502 for liquefied natural gas can carry out the reutilization to the heat energy in the flash distillation vapour in the recovery process that carries out the flash distillation vapour, preheats the urban water supply in the water pipe 501, has avoided the heat energy automatic dissipation in the flash distillation vapour and has caused the extravagant condition of data to take place.
The working principle is as follows: when the device is used, firstly, the manual control valve 205 on the liquefied natural gas inlet 204 is rotated to be opened, the liquefied natural gas to be stored is transmitted into the liquefied natural gas storage tank body 2 to be stored, the influence caused by the external temperature can be isolated to a certain extent by matching the insulating layer 201 with the heat insulating layer 202 in the storage process, the temperature in the liquefied natural gas storage tank body 2 can be detected by the temperature sensor 203, when the temperature in the liquefied natural gas storage tank body 2 rises to a certain value, flash steam can be generated, the electromagnetic valve 209 on the flash steam transmission pipe 206 at the top of the liquefied natural gas storage tank body 2 can be opened by the control panel 302, the flash steam can be recovered into the first flash steam recovery tank 3 along the flash steam transmission pipe 206, the heat of the flash steam can exchange heat with urban water in the water pipe 501 on the flash steam transmission pipe 206 in the transmission process, urban water supply can follow in water inlet 5 admission pipe 501, form a heat transfer circulation, the urban water supply that has exchanged heat can be spread out the use along delivery port 502, recovery unit's environmental protection performance has been improved, when the flash steam of conveying reaches the first flash steam recovery jar 3 and reaches the standard grade, the liquid table 208 that flows at first flash steam recovery jar 3 top can send the signal to siren 303 on control panel 302 through the wire, siren 303 sends out the police dispatch newspaper, staff's accessible control panel 302 control closes solenoid valve 209 and stops the recovery of flash steam, conveying the flash steam in first flash steam recovery jar 3 to second flash steam recovery jar 4 in and storing, can convey the flash steam out external equipment through the flash steam exhaust port 402 of second flash steam recovery jar 4 side when needing to handle flash steam, recovery unit's practicality has been improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a liquefied natural gas storage tank flash distillation vapour recovery unit, includes installation base (1), liquefied natural gas storage tank body (2), first flash distillation vapour recovery jar (3), second flash distillation vapour recovery jar (4) and water inlet (5), its characterized in that: the liquefied natural gas storage tank body (2), the first flash steam recovery tank (3) and the second flash steam recovery tank (4) have been placed in proper order from one side to the opposite side at the top of installation base (1), be equipped with heat preservation (201) and heat insulating layer (202) on the inside of liquefied natural gas storage tank body (2) in proper order, the inside top fixed mounting of liquefied natural gas storage tank body (2) has temperature sensor (203), the centre at liquefied natural gas storage tank body (2) top is through the first flash steam recovery tank (3) of flash steam conveying pipe (206) fixedly connected with, the positive fixed mounting of first flash steam recovery tank (3) has control panel (302), one side fixed mounting of control panel (302) has siren (303), one side at first flash steam recovery tank (3) top is through flash steam conveying pipe (206) fixedly connected with second flash steam recovery tank (4), flash distillation vapour conveying pipe (206) at liquefied natural gas storage tank body (2) top and first flash distillation vapour recovery jar (3) top and flash distillation vapour conveying pipe (206) with second flash distillation vapour recovery jar (4) fixed connection go up all fixed mounting and have the flow liquid table (208) and solenoid valve (209) that the cooperation was used, fixed mounting has water pipe (501) on flash distillation vapour conveying pipe (206), the both sides of water pipe (501) are equipped with water inlet (5) and delivery port (502) respectively.
2. The LNG tank flash steam recovery device of claim 1, wherein: the liquefied natural gas storage tank is characterized in that a liquefied natural gas inlet (204) is fixedly arranged in the middle of one side of the liquefied natural gas storage tank body (2), and a manual control valve (205) matched with the liquefied natural gas inlet (204) is arranged on the liquefied natural gas inlet.
3. The LNG tank flash steam recovery device of claim 1, wherein: and a three-way connecting pipe (207) matched with the flash steam conveying pipe (206) is fixedly installed on the flash steam conveying pipe (206) fixedly connected between the liquefied natural gas storage tank body (2) and the first flash steam recovery tank (3).
4. The LNG tank flash steam recovery device of claim 1, wherein: the bottom of liquefied natural gas storage tank body (2) and first flash steam recovery jar (3) and second flash steam recovery jar (4) is fixed mounting respectively has supporting legs (301) and frame type support frame (401) that the cooperation was used.
5. The LNG tank flash steam recovery device of claim 1, wherein: the control panel (302) is respectively and electrically connected with the temperature sensor (203), the liquid flow meter (208), the electromagnetic valve (209) and the alarm (303) through leads.
6. The LNG tank flash steam recovery device of claim 1, wherein: and a flash steam exhaust port (402) matched with the second flash steam recovery tank (4) is fixedly arranged at the bottom of one side of the second flash steam recovery tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022964141.9U CN214037834U (en) | 2020-12-12 | 2020-12-12 | Liquefied natural gas storage tank flash steam recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022964141.9U CN214037834U (en) | 2020-12-12 | 2020-12-12 | Liquefied natural gas storage tank flash steam recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214037834U true CN214037834U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022964141.9U Active CN214037834U (en) | 2020-12-12 | 2020-12-12 | Liquefied natural gas storage tank flash steam recovery unit |
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| Country | Link |
|---|---|
| CN (1) | CN214037834U (en) |
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2020
- 2020-12-12 CN CN202022964141.9U patent/CN214037834U/en active Active
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