CN216923993U

CN216923993U - Device for improving gasification capacity of LNG air-temperature type gasifier by using temperature-controlled electric heater

Info

Publication number: CN216923993U
Application number: CN202220162271.7U
Authority: CN
Inventors: 李勇
Original assignee: Jiangsu Tongneng Natural Gas Equipment Co ltd
Current assignee: Jiangsu Tongneng Natural Gas Equipment Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-08
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a device for improving the gasification capacity of an LNG air-temperature type gasifier by utilizing a temperature control electric heater, which relates to the field of liquefied natural gas gasification, and comprises a gasifier body, wherein a heat preservation cover is arranged outside the gasifier body, a temperature detector is arranged at one end inside the heat preservation cover, a hot air blower is connected with one end of the heat preservation cover through a bolt, a control switch is arranged on one side of the hot air blower, a plurality of air outlet pipes are arranged inside the heat preservation cover, the air outlet pipes are connected onto the hot air blower, a plurality of air outlets are arranged on the air outlet pipes, a cleaning device is also arranged outside the gasifier body, the cleaning device comprises a motor, a reciprocating lead screw, a cleaning brush and a supporting seat, the motor is connected with one end of the wall of the heat preservation cover through a bolt, the supporting seat is positioned at the other end of the wall of the heat preservation cover, the motor is rotationally connected with the supporting seat through the reciprocating lead screw, the cleaning brush is slidably connected onto the reciprocating lead screw, and the cleaning brush on the gasifier body can effectively clean dust and sundries on the surface, the reduction of the working efficiency caused by blocking of external sundries is avoided.

Description

Device for improving gasification capacity of LNG air-temperature type gasifier by using temperature-controlled electric heater

Technical Field

The utility model relates to the field of liquefied natural gas gasification, in particular to a device for improving the gasification capacity of an LNG air-temperature type gasifier by using a temperature-controlled electric heater.

Background

Liquefied Natural Gas (LNG), the main component of which is methane, is known as the cleanest fossil energy on earth. The liquefied natural gas is colorless, tasteless, nontoxic and noncorrosive, the volume of the liquefied natural gas is about 1/625 of the volume of the same amount of gaseous natural gas, and the mass of the liquefied natural gas is only about 45 percent of the same volume of water.

The manufacturing process comprises purifying natural gas produced in a gas field, liquefying at a series of ultralow temperatures, and transporting by a liquefied natural gas carrier. After the liquefied natural gas is combusted, the pollution to the air is very small, and the heat emitted by the liquefied natural gas is large, so the liquefied natural gas is a relatively advanced energy source.

Adopt air formula vaporizer at present mostly, the problem that air heating type vaporizer exists is the appearance of unable fundamentally elimination phenomenon of freezing, especially when using under low temperature condition or northern area, in case air humidity reaches certain degree, the phenomenon of freezing of vaporizer outer wall just is difficult to avoid, and can further aggravate the heat transfer condition after the phenomenon of freezing appears and worsen, make frost on the wall more and more, finally lead to the unable normal work of vaporizer, simultaneously because the vaporizer exposes in the external world, external dust and debris leaf glue the vaporizer outer wall and can lead to work efficiency to descend and freeze to be difficult to clear away.

In order to solve the problems, the utility model provides a device for improving the gasification capacity of an LNG air-temperature type gasifier by using a temperature-controlled electric heater.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for improving the gasification capacity of an LNG air-temperature type gasifier by using a temperature control electric heater so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: utilize control by temperature change electric heater to improve LNG air temperature formula vaporizer gasification ability device, furtherly, including the vaporizer body, be provided with the heat preservation cover outside the vaporizer body, one end is provided with thermodetector in the heat preservation cover, the heat preservation covers one end bolted connection and has the air heater, control switch is installed to air heater one side, the inside a plurality of tuber pipes that are provided with of heat preservation cover, it connects on the air heater to go out the tuber pipe, a plurality of air outlets have been seted up on the tuber pipe, still be provided with cleaning device outside the vaporizer body, cleaning device includes the motor, reciprocal lead screw, the cleaning brush, a supporting seat, motor bolted connection is in the heat preservation cover wall one end, the other end on the supporting seat lies in the heat preservation cover wall, rotate through reciprocal lead screw between motor and the supporting seat and connect, sliding connection has the connecting block on the reciprocal lead screw, bolted connection has the cleaning brush on the connecting block.

Furthermore, the heat preservation cover comprises a top plate, a supporting plate and a bottom plate, wherein the top plate and the bottom plate are fixed at two ends of the supporting plate.

Furthermore, the air outlet pipes are roots and are respectively fixed on the corners of the supporting plate on the heat preservation cover.

Further, the motor, the reciprocating screw rod, the supporting seat and the axis are symmetrically arranged.

Furthermore, the cleaning brush is in a hollow rectangular shape, and two ends of the cleaning brush are connected to the two reciprocating lead screws in a sliding mode.

Furthermore, 5 air outlets 6 are arranged on the air outlet pipe.

Further, the temperature detector, the control switch and the hot air blower are electrically connected.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the device for improving the gasification capacity of the LNG air-temperature type gasifier by using the temperature control electric heater, the cleaning brush on the device can effectively clean dust and impurities on the surface of the gasifier, the reduction of working efficiency caused by blocking of external impurities is avoided, and meanwhile, the phenomenon that the impurities are frozen on the wall of the gasifier under the low temperature condition, so that the ice layer on the surface is difficult to clean is avoided.

2. The device for improving the gasification capacity of the LNG air-temperature type gasifier by using the temperature control electric heater is provided with the warm air blower, and the warm air blower is matched with the air outlet pipes to blow warm air to the gasifier from four corners, so that frost on the surface of the gasifier is prevented from being frozen, and the gasification efficiency is prevented from being influenced.

3. The device for improving the gasification capacity of the LNG air-temperature type gasifier by using the temperature control electric heater can realize automatic control through the temperature detector and the control switch, so that the gasifier can work normally at night or without being watched by people.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a left side view of the present invention;

fig. 4 is a partial structure of the present invention.

In the figure: 1. a gasifier body; 2. a heat-preserving cover; 21. a top plate; 22. a support plate; 23. a base plate; 3. a hot air blower; 4. an air outlet pipe; 5. a cleaning device; 51. a motor; 52. a reciprocating screw; 53. a cleaning brush; 54. a supporting base; 55. connecting blocks; 6. an air outlet; 7. a temperature detector; 8. and controlling the switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to achieve the purpose, the utility model provides the following technical scheme:

referring to fig. 1-4, a device for improving the gasification capacity of an LNG air-temperature type gasifier by using a temperature-controlled electric heater comprises a gasifier body 1, a heat-preserving cover 2 is arranged outside the gasifier body 1, a temperature detector 7 is arranged at one end inside the heat-preserving cover 2, an air heater 3 is connected to one end of the heat-preserving cover 2 through a bolt, a control switch 8 is arranged at one side of the air heater 3, a plurality of air outlet pipes 4 are arranged inside the heat-preserving cover 2, the air outlet pipes 4 are connected to the air heater 3, a plurality of air outlets 6 are arranged on the air outlet pipes 4, a cleaning device 5 is arranged outside the gasifier body 1, the cleaning device 5 comprises a motor 51, a reciprocating screw 52, a cleaning brush 53, a support base 54 and a connecting block 55, the motor 51 is connected to one end of the wall of the heat-preserving cover 2 through a bolt, the support base 54 is located at the other end of the wall of the heat-preserving cover 2, the motor 51 and the support base 54 are rotatably connected through the reciprocating screw 52, the connecting block 55 is slidably connected on the reciprocating screw 52, bolted connection has cleaning brush 53 on connecting block 55, and cleaning brush 53 can effectually clear up the dust debris on gasifier body 1 surface, has avoided blockking the work efficiency that leads to and has fallen because of external debris, also can avoid debris to freeze on gasifier body 1 outer wall under the low temperature condition simultaneously to the surface ice sheet that leads to is difficult to clear away.

Referring to fig. 1, the heat-insulating cover 2 includes a top plate 21, a supporting plate 22, and a bottom plate 23, the top plate 21 and the bottom plate 23 are fixed at two ends of the supporting plate 22, and the heat-insulating cover 2 can prevent the hot air from flowing out too fast and maintain the ambient temperature of the vaporizer body 1.

Referring to fig. 1, the number of the air outlet pipes 4 is 4, and the air outlet pipes 4 are respectively fixed at 4 corners of the support plate 22 on the heat-insulating cover 2, and the air outlet pipes 4 are all arranged at the four corners, and blow air to the vaporizer body 1 located at the middle position of the heat-insulating cover 2, so that the vaporizer body is heated uniformly.

Referring to fig. 4, the motor 51, the reciprocating screw 52, and the supporting base 54 are symmetrically disposed with respect to the axis, so that the cleaning brushes 53 at both sides thereof can be balanced, and the working schedules at both sides can be kept consistent.

Referring to fig. 4, the cleaning brush 53 is a hollow rectangle, two ends of the cleaning brush 53 are slidably connected to two reciprocating lead screws 52, and the cleaning brush 53 can automatically reciprocate through the reciprocating lead screws 52 without applying an additional device.

Referring to fig. 1, the number of the air outlets 6 on the air outlet pipe 4 is 5, and the plurality of air outlets 6 enable the vaporizer body 1 to be heated uniformly and to be defrosted quickly.

Referring to fig. 1, the temperature detector 7, the control switch 8 and the air heater 3 are electrically connected to each other, so that automatic start and stop can be realized without additional manual intervention, and human resources are saved.

Principle of operation

When the gasifier body 1 works under the low temperature condition, the surface of the gasifier body 1 can be frozen and frosted, the temperature detector 7 monitors that the temperature is too low, the control switch 8 starts the air heater 3, the air heater 3 blows hot air into the air outlet pipe 4, the air outlet pipes 4 are provided with the air outlets 6, the temperature in the heat preservation cover 2 rises at the moment, the gasifier body 1 can work normally, when the temperature in the heat preservation cover 2 is too high, the temperature detector 7 sends a signal to the control switch 8, the air heater 3 stops running at the moment, when sundries and frost which is difficult to clear due to the sundries are arranged on the gasifier body 1, the cleaning device 5 is started, the motor 51 drives the reciprocating screw 52, the cleaning brush 53 slides on the reciprocating screw 52, and the cleaning effect is achieved on the gasifier body 1.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Utilize control by temperature change electric heater to improve LNG air temperature formula vaporizer gasification ability device, including vaporizer body (1), its characterized in that: the gasifier comprises a gasifier body (1), wherein a heat-insulating cover (2) is arranged outside the gasifier body (1), a temperature detector (7) is arranged at one end in the heat-insulating cover (2), an air heater (3) is connected to one end of the heat-insulating cover (2) through a bolt, a control switch (8) is installed on one side of the air heater (3), a plurality of air outlet pipes (4) are arranged inside the heat-insulating cover (2), the air outlet pipes (4) are connected to the air heater (3), a plurality of air outlets (6) are formed in the air outlet pipes (4), a cleaning device (5) is further arranged outside the gasifier body (1), the cleaning device (5) comprises a motor (51), a reciprocating screw rod (52), a cleaning brush (53) and a supporting seat (54), the motor (51) is connected to one end of the wall of the heat-insulating cover (2) through a bolt, and the supporting seat (54) is located at the other end of the wall of the heat-insulating cover (2), the cleaning brush is characterized in that the motor (51) and the supporting seat (54) are rotationally connected through a reciprocating lead screw (52), the reciprocating lead screw (52) is connected with a connecting block (55) in a sliding mode, and the connecting block (55) is connected with a cleaning brush (53) through a bolt.

2. The apparatus of claim 1 for improving the gasification capacity of an LNG air-temperature type vaporizer by using a temperature-controlled electric heater, wherein: the heat preservation cover (2) comprises a top plate (21), a supporting plate (22) and a bottom plate (23), wherein the top plate (21) and the bottom plate (23) are fixed at two ends of the supporting plate (22).

3. The apparatus of claim 1 for improving the gasification capacity of an LNG air-temperature type vaporizer by using a temperature-controlled electric heater, wherein: the number of the air outlet pipes (4) is 4, and the air outlet pipes are respectively fixed on 4 corners of the supporting plate (22) on the heat preservation cover (2).

4. The apparatus of claim 1 for improving the gasification capacity of an LNG air-temperature type vaporizer by using a temperature-controlled electric heater, wherein: the motor (51), the reciprocating screw rod (52) and the supporting seat (54) are symmetrically arranged with the axis.

5. The apparatus of claim 1 for improving the gasification capacity of an LNG air-temperature type vaporizer by using a temperature-controlled electric heater, wherein: the cleaning brush (53) is in a hollow rectangular shape, and two ends of the cleaning brush (53) are connected to the two reciprocating lead screws (52) in a sliding mode.

6. The apparatus of claim 1 for improving the gasification capacity of an LNG air-temperature type vaporizer by using a temperature-controlled electric heater, wherein: and 5 air outlets (6) on the air outlet pipe (4).

7. The apparatus of claim 1 for improving the gasification capacity of an LNG air-temperature type vaporizer by using a temperature-controlled electric heater, wherein: the temperature detector (7) is electrically connected with the air heater (3) through a control switch (8).