CN216080362U

CN216080362U - Liquefied natural gas heat exchange equipment

Info

Publication number: CN216080362U
Application number: CN202122271507.9U
Authority: CN
Inventors: 罗全忠
Original assignee: Cangzhou China Railway Equipment Manufacturing Materials Co Ltd
Current assignee: Cangzhou China Railway Equipment Manufacturing Materials Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-18
Anticipated expiration: 2031-09-18

Abstract

The utility model provides liquefied natural gas heat exchange equipment, which belongs to the technical field of heat exchange and comprises a barrel, two support frames and two hanging boxes, wherein the two support frames are respectively and fixedly connected to the left side and the right side of the lower end of the barrel, the two hanging boxes are respectively and fixedly connected to the left side and the right side of the surface of the barrel, the left side of the barrel is communicated with an air inlet pipe, the left sides of the left hanging boxes and the right hanging boxes are respectively communicated with a second connecting pipe, the right sides of the left hanging boxes and the right hanging boxes are respectively communicated with a first connecting pipe, and the insides of the left hanging boxes and the right hanging boxes are respectively provided with two electric heating pipes. This liquefied natural gas indirect heating equipment passes through the improvement of structure, makes this equipment when the in-service use, can make the heat at the inside dispersion of barrel even, has improved the heat transfer effect, makes the density of heat and gas mixture more balanced simultaneously to when to a section of thick bamboo internal input heat, can avoid the natural gas escape in a section of thick bamboo, avoided natural gas's consume extravagant, the practicality is strong.

Description

Liquefied natural gas heat exchange equipment

Technical Field

The utility model relates to the technical field of heat exchange, in particular to liquefied natural gas heat exchange equipment.

Background

Heat exchange is a heat transfer process between two objects or parts of the same object due to temperature difference, and heat exchange equipment is required in the gasification process of liquefied natural gas.

Current liquefied natural gas indirect heating equipment is when the in-service use, it is usually bulky to carry out the liquefaction section of thick bamboo of splendid attire to liquefied natural gas, and when carrying out the heat transfer to its inside natural gas, mostly through a pipeline to the inside heat that injects of barrel, and because thermal transmission needs time, from single mouth of pipe input heat, can make the heat dispersion inhomogeneous, and then reduced the effect of heat transfer, and simultaneously, through the required heat of pipeline input heat transfer, at this in-process, easily make the natural gas in the section of thick bamboo escape with the help of heat transmission pipeline because of atmospheric pressure, natural gas resources have been wasted to the consume to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide liquefied natural gas heat exchange equipment to solve the defects in the prior art.

The above object is solved by the following technical solutions:

the liquefied natural gas heat exchange equipment comprises a cylinder body, two support frames and two hanging boxes, wherein the two support frames are fixedly connected to the left side and the right side of the lower end of the cylinder body respectively;

the left side of the barrel is communicated with an air inlet pipe, the left sides of the hanging boxes on the left and right sides are communicated with second connecting pipes, the right sides of the hanging boxes on the left and right sides are communicated with first connecting pipes, the interiors of the hanging boxes on the left and right sides are respectively provided with two electric heating pipes, each electric heating pipe is fixedly connected with the hanging boxes, each second connecting pipe is communicated with the electric heating pipe, the interiors of the hanging boxes on the left and right sides are respectively fixedly connected with a cylinder, the interior of each cylinder is rotatably connected with an exhaust fan, the interiors of the hanging boxes on the left and right sides are respectively provided with a gas pipe, the two gas pipes penetrate through the exterior of the hanging boxes, the bottom of each first connecting pipe is communicated with the cylinder, the interior of one end, far away from the hanging boxes, of each second connecting pipe is rotatably connected with an air suction fan, and the interior of one end, far away from the hanging boxes, of each second connecting pipe is provided with a rubber plate, and every both ends all with second connecting pipe fixed connection about the rubber slab, every a plurality of through-holes have all been seted up on the surface of rubber slab.

As a preferred scheme, every the second connecting pipe and the one end that the first connecting pipe kept away from the hanging case all run through to the barrel inside, and inhale fan and rubber slab and all set up in every the second connecting pipe is located the inside one side end of barrel, and every the rubber slab all sets up in the upper end of inhaling the fan.

As a preferred scheme, a plurality of the through holes are arranged at the edge of the surface of the rubber plate in a surrounding mode, and each end, far away from the hanging box, of the second connecting pipe is in a triangular shape.

Preferably, the driving device and the electric heating tube of the exhaust fan and the suction fan are respectively connected with an external power supply.

As a preferable scheme, one side of each air conveying pipe, which is far away from the cylinder, is connected with an external pipeline.

Preferably, the electrothermal tube and the cylinder are sealed.

Has the advantages that:

(1) this liquefied natural gas indirect heating equipment passes through the improvement of structure, makes this equipment when the in-service use, can make the heat at the inside dispersion of barrel even, has improved the heat transfer effect, makes the density of heat and gas mixture more balanced simultaneously to when to a section of thick bamboo internal input heat, can avoid the natural gas escape in a section of thick bamboo, avoided natural gas's consume extravagant, the practicality is strong.

(2) The liquefied natural gas heat exchange equipment has the advantages that: through hanging the case, the cooperation of first connecting pipe and second connecting pipe is used, can make the heat that the electrothermal tube produced when moving, can inhale the section of thick bamboo through the second connecting pipe with the heat under the rotatory circumstances with the help of the fan of breathing in, make the heat with the help of the input of second connecting pipe and continuously mix the contact with natural gas, and this equipment lasts the input heat at the both ends of barrel, it is even to do benefit to the heat dispersion in the barrel, with the mixed density who promotes heat and gas, then, treat heat and gas mixture certain time after, accessible exhaust fan discharges natural gas to the external world from the gas-supply pipe, afterwards, along with thermal continuous input, alright through the output that the exhaust fan lasts natural gas, so that external equipment receives the natural gas after the heat transfer.

(3) Secondly, the method comprises the following steps: when inputing the heat to the barrel through the fan of breathing in, steam can only enter into the barrel through the through-hole of evenly seting up in, and the rubber slab can play sealing connection's effect in the second connecting tube, can block gas to a certain extent and leak, simultaneously, last input thermal through-hole can produce certain atmospheric pressure in to the barrel, under this kind of circumstances, can avoid the natural gas in the barrel to flow scurries to through-hole department, and then avoids causing the natural gas to escape when inputing the heat.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of a front section structure of the hanging box of the present invention.

Fig. 3 is a schematic side sectional view of the cartridge of the present invention.

Fig. 4 is a schematic top view of the rubber sheet of the present invention.

In FIGS. 1-4: 1-a cylinder body; 2-a support frame; 3, hanging a box; 301-electric heating tube; 302-cylinder; 303-an exhaust fan; 304-a gas delivery conduit; 4-a first connection pipe; 5-a second connecting tube; 501-an air suction fan; 502-rubber sheet; 5021-a through hole; 6-air inlet pipe.

Detailed Description

Example (b):

please refer to fig. 1 to fig. 4:

the embodiment provides a liquefied natural gas heat exchange device, which comprises a barrel 1, two support frames 2 and two hanging boxes 3, wherein the two support frames 2 are respectively fixedly connected to the left side and the right side of the lower end of the barrel 1, the two hanging boxes 3 are respectively fixedly connected to the left side and the right side of the surface of the barrel 1, the left side of the barrel 1 is communicated with an air inlet pipe 6, the left sides of the left hanging boxes 3 and the right hanging boxes 3 are respectively communicated with a second connecting pipe 5, the right sides of the left hanging boxes 3 and the right hanging boxes 3 are respectively communicated with a first connecting pipe 4, the left hanging boxes 3 and the right hanging boxes 3 are respectively internally provided with two electric heating pipes 301, each electric heating pipe 301 is fixedly connected with the hanging boxes 3, each second connecting pipe 5 is communicated with the electric heating pipe 301, the insides of the left hanging boxes 3 and the right hanging boxes 3 are respectively fixedly connected with a cylinder 302, and the insides of each cylinder 302 are respectively rotatably connected with an exhaust fan 303, the inside of the left and right sides hanging box 3 all is equipped with air supply pipe 304, and two air supply pipes 304 all run through to hanging box 3 outsidely, and the bottom of every first connecting pipe 4 all sets up with drum 302 intercommunication, every second connecting pipe 5 is kept away from the inside fan 501 that all rotates of one end of hanging box 3, every second connecting pipe 5 is kept away from the inside rubber slab 502 that all is equipped with of one end of hanging box 3, and both ends all with 5 fixed connection of second connecting pipe about every rubber slab 502, a plurality of through-holes 5021 have all been seted up on the surface of every rubber slab 502.

Furthermore, one end of each second connecting pipe 5 and one end of each first connecting pipe 4, which are far away from the hanging box 3, penetrate into the cylinder 1, the air suction fan 501 and the rubber plate 502 are arranged at the tail end of one side of each second connecting pipe 5, which is positioned in the cylinder 1, and each rubber plate 502 is arranged at the upper end of the air suction fan 501, through the design, heat can be transmitted into the cylinder 1 through the second connecting pipes 5 by the rotation of the air suction fan 501, and simultaneously the heat is discharged out of the cylinder 1 through the first connecting pipes 4, and the sealing and blocking effects can be achieved in the second connecting pipes 5 through the rubber plates 502, the through holes 5021 are arranged around the edges of the surfaces of the rubber plates 502, and one end of each second connecting pipe 5, which is far away from the hanging box 3, is in a shape, through the design, the pipe orifice at one end of each second connecting pipe 5, which is far away from the hanging box 3, is expanded to a triangular shape, so that the heat input amount can be increased in unit time, when heat enters the cylinder body 1 through the second connecting pipe 5, the heat can only enter through the through holes 5021 which are uniformly arranged, under the condition, the air pressure at the through holes 5021 is larger than the air pressure in the cylinder, so that natural gas in the cylinder can not escape through the through holes 5021, the driving devices of the exhaust fan 303 and the suction fan 501 and the electric heating pipe 301 are respectively connected with an external power supply, the driving devices of the exhaust fan 303 and the suction fan 501 and the electric heating pipe 301 can be driven to operate under the power output of the external power supply, the exhaust fan 303 and the suction fan 501 are driven to rotate when the driving devices operate, one side of each gas pipe 304, which is far away from the cylinder 302, is connected with an external pipeline, through the design, the natural gas after heat exchange can be exhausted to the required position outside through the gas pipe 304 and the external pipeline, the electric heating pipe 301 and the cylinder 302 are arranged in a sealing way, through the design, the natural gas can be prevented from flowing back into the cylinder body 1 through the second connecting pipe 5, so that the input of heat and the output of natural gas are performed separately.

The working principle is as follows:

when the natural gas heat-absorbing device is used, natural gas is input into the cylinder body 1 from the air inlet pipe 6, the device can drive the driving device of the exhaust fan 303 and the air suction fan 501 and the electric heating pipe 301 to operate under the power output of an external power supply, further the driving device drives the exhaust fan 303 and the air suction fan 501 to rotate when in operation, heat can be sucked into the cylinder through the second connecting pipe 5 under the condition of the rotation of the air suction fan 501, the heat is continuously mixed and contacted with the natural gas through the input of the second connecting pipe 5, the heat is continuously input into the two ends of the cylinder body 1, the heat is favorably and uniformly dispersed in the cylinder body 1 so as to improve the mixing density of the heat and the gas, then the natural gas can be discharged into the outside from the gas conveying pipe 304 through the exhaust fan 303 after the heat and the gas are mixed for a certain time, and then the natural gas can be continuously output through the exhaust fan 303 along with the continuous input of the heat, so that the external equipment receives the natural gas after heat exchange, and, when inputting the heat to the cylinder 1 through the suction fan 501, the hot gas can only enter the cylinder 1 through the evenly opened through hole 5021, and the rubber plate 502 can play a role of sealing connection in the second connecting pipe 5, and can block the gas from leaking to a certain extent.

Claims

1. The liquefied natural gas heat exchange equipment comprises a barrel (1), two support frames (2) and two hanging boxes (3), wherein the two support frames (2) are fixedly connected to the left side and the right side of the lower end of the barrel (1) respectively, the two hanging boxes (3) are arranged, and the two hanging boxes (3) are fixedly connected to the left side and the right side of the surface of the barrel (1) respectively;

it is characterized in that the left side of the barrel body (1) is communicated with an air inlet pipe (6), the left sides of the hanging boxes (3) on the left and right sides are communicated with a second connecting pipe (5), the right sides of the hanging boxes (3) on the left and right sides are communicated with a first connecting pipe (4), the interiors of the hanging boxes (3) on the left and right sides are respectively provided with two electric heating pipes (301), each electric heating pipe (301) is fixedly connected with the hanging boxes (3), each second connecting pipe (5) is communicated with the electric heating pipes (301), the interiors of the hanging boxes (3) on the left and right sides are respectively and fixedly connected with a cylinder (302), the interior of each cylinder (302) is respectively and rotatably connected with an exhaust fan (303), the interiors of the hanging boxes (3) on the left and right sides are respectively provided with an air conveying pipe (304), and the two air conveying pipes (304) are respectively penetrated through the exterior of the hanging boxes (3), and every the bottom of first connecting pipe (4) all sets up with drum (302) intercommunication, every the inside all rotation of one end of hanging case (3) is kept away from in second connecting pipe (5) is connected with air suction fan (501), every the inside rubber slab (502) that all is equipped with of one end of hanging case (3) is kept away from in second connecting pipe (5), and every both ends all with second connecting pipe (5) fixed connection about rubber slab (502), every a plurality of through-holes (5021) have all been seted up on the surface of rubber slab (502).

2. The LNG heat exchange device according to claim 1, wherein one end of each of the second connecting pipe (5) and the first connecting pipe (4) far away from the hanging box (3) penetrates through the inside of the cylinder (1), an air suction fan (501) and a rubber plate (502) are arranged at the end of one side of each of the second connecting pipes (5) located inside the cylinder (1), and each of the rubber plates (502) is arranged at the upper end of the air suction fan (501).

3. The LNG heat exchange device of claim 1, wherein a plurality of through holes (5021) are arranged around the edge of the surface of the rubber plate (502), and one end of each second connecting pipe (5) far away from the hanging box (3) is triangular.

4. The LNG heat exchange equipment of claim 1, wherein the driving device of the exhaust fan (303), the driving device of the suction fan (501) and the electrothermal tube (301) are respectively connected with an external power supply.

5. The liquefied natural gas heat exchange equipment according to claim 1, wherein one side of each gas transmission pipe (304) far away from the cylinder (302) is connected with an external pipeline.

6. The LNG heat exchange equipment of claim 1, wherein the electric heating tube (301) and the cylinder (302) are sealed.