CN215486444U

CN215486444U - Large air cooling device for BOG compressor of LNG receiving station

Info

Publication number: CN215486444U
Application number: CN202122119206.4U
Authority: CN
Inventors: 王利成
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-11
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a large air cooling device for a BOG compressor of an LNG receiving station, which comprises a mounting seat, wherein a bottom plate is arranged on the mounting seat, a connecting frame is connected onto the bottom plate through supporting columns, connecting rods are connected into the connecting frame, a motor is arranged between the connecting rods, fan blades are arranged at the end part of a rotor shaft of the motor, a fixing frame is uniformly arranged at the front and the back of one side of the connecting frame, an air guide coil pipe is arranged on the fixing frame, and at least five semiconductor refrigerating sheets are uniformly arranged in the fixing frame along the vertical direction. When operation motor and semiconductor refrigeration piece, the rotor shaft of motor is when changeing in the same direction as, can follow the right side of splice frame and breathe in, then discharge from the left side of splice frame, semiconductor refrigeration piece transmits the degree of coldness that its produced to the mount on to transmit to the air guide coil pipe through the mount on, and blow the effect down in the flabellum rotation, make the peripheral temperature of air guide coil pipe more end, refrigeration effect is good, has solved the not good problem of refrigeration effect.

Description

Large air cooling device for BOG compressor of LNG receiving station

Technical Field

The utility model belongs to the technical field of BOG compression, and particularly relates to a large air cooling device for a BOG compressor of an LNG receiving station.

Background

LNG belongs to ultra-low temperature liquid, although the storage tank has good cold insulation heat insulation function when storing, still exempt from in the heat spreads into in, arouse LNG evaporation to form BOG, this part BOG needs timely processing, at present adopt the BOG compressor to handle more, before getting into the compressor, need adopt large-scale air cooling device to carry out cold treatment to BOG, at present, can set up the mounting bracket in compressor one side, and set up a plurality of high-speed motor on the mounting bracket, and it is rotatory to drive the fan through high-speed motor, every exhaust fan front portion sets up the mount, butt fusion air guide coil pipe on the mount, air guide coil pipe one end is connected the BOG and is supplied with the jar, the compressor air inlet is connected to air guide coil pipe's the other end, high-speed motor moves, it is rotatory to drive the fan, air guide coil pipe surface heat dissipation rate with higher speed, the realization is to the interior BOG refrigeration of air guide coil pipe, the weak point that exists is: a plurality of high-speed motors are adopted to operate to drive the fan to cool the air guide disc pipe, and the air guide disc pipe is only cooled by increasing the air flow rate, so that the cooling effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a large air cooling device for a BOG compressor of an LNG receiving station, which is used for solving the problem of poor refrigeration effect in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a LNG receiving station BOG is large-scale air cooling device for compressor, includes the mount pad, be provided with the bottom plate on the mount pad, be connected with the carriage through the support column on the bottom plate, the connecting rod is connected to the carriage in-connection, be provided with the motor between the connecting rod, the rotor shaft tip of motor is provided with the flabellum, evenly be provided with fixed frame around one side of carriage, be provided with air guide coil pipe on the fixed frame, follow vertical five at least semiconductor refrigeration pieces that evenly are provided with in the fixed frame.

Preferably, the mounting seat is connected with a first stud, the bottom of the bottom plate is provided with a soft base plate, and the first stud penetrates through the soft base plate and the bottom plate and is locked through a first nut.

Preferably, a filter cover is arranged on the other side of the connecting frame, the filter cover is a square net cover, the diameter of meshes of the filter cover is not more than 2 mm, a connecting ring is arranged on the edge of the filter cover, a second stud is connected to the connecting frame, and the second stud penetrates through the connecting ring and is locked through a second nut.

Preferably, the semiconductor refrigeration sheet is sleeved with a fixing frame, screws penetrate through two sides of the fixing frame, and the screws are locked on the fixing frame in a threaded mode.

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

according to the utility model, when the motor and the semiconductor refrigeration piece are operated, when the rotor shaft of the motor rotates clockwise, air can be sucked from the right side of the connecting frame and then discharged from the left side of the connecting frame, the semiconductor refrigeration piece transmits the generated coldness to the fixing frame and transmits the coldness to the air guide coil pipe through the fixing frame, and under the action of rotating and blowing of the fan blades, the temperature around the air guide coil pipe is lower, the refrigeration effect is good, and the problem of poor refrigeration effect is solved.

According to the utility model, through the meshes of the filter cover, impurities and dust in the air sucked into the connecting frame can be filtered, and the attachment amount of the impurities and the dust on the fan blades, the semiconductor refrigeration sheet and the air guide coil pipe is effectively reduced.

Drawings

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

FIG. 2 is a schematic view in partial cutaway of FIG. 1;

fig. 3 is a schematic top view of fig. 1.

Fig. 4 is a schematic view of the fixing frame of the present invention.

In the figure: the device comprises a mounting base 1, a first stud 2, a soft backing plate 3, a bottom plate 4, a first nut 5, a support column 6, a connecting frame 7, a connecting rod 8, a motor 9, fan blades 10, a filter cover 11, a connecting ring 12, a second stud 13, a second nut 14, a fixing frame 15, an air guide coil pipe 16, a semiconductor refrigerating sheet 17 and a fixing frame 101.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, 2 and 3, an embodiment of the present invention provides a large air cooling device for a BOG compressor of an LNG receiving station, including a mounting base 1, first studs 2 welded to four sides of an upper surface of the mounting base 1, a soft pad plate 3 disposed at a bottom of a bottom plate 4, the first studs 2 penetrating through the soft pad plate 3 and the bottom plate 4 and locked by first nuts 5, when the first nuts 5 are locked to the first studs 2, the soft pad plate 3 and the bottom plate 4 are stably mounted on the mounting base 1, the soft pad plate 3 is a square rubber plate with a thickness of 3 cm, the soft pad plate 3 is disposed to flexibly support the bottom plate 4, when a motor 9 is operated, the large air cooling device can be damped, a support column 6 is welded to a front and rear position of an upper end of the bottom plate 4, a connection frame 7 is welded to an upper end of the support column 6, connection rods 8 are welded to upper and lower positions in the connection frame 7, and a motor 9 is fixed between the connection rods 8 by screws, the model of the motor 9 is 5IK90RA1-C, the end of the rotor shaft of the motor 9 is provided with a fan blade 10, the fan blade 10 is composed of four counter-rotating blades and a middle base, when the rotor shaft of the motor 9 rotates clockwise, air can be sucked from the right side of the connecting frame 7 and then is discharged from the left side of the connecting frame 7, the right side of the connecting frame 7 is provided with a filter cover 11, the filter cover 11 is a square mesh cover, the diameter of the mesh of the filter cover 11 is 1 mm, the edge of the filter cover 11 is welded with a connecting ring 12, the connecting ring 12 is a square ring, the four sides of the connecting frame 7 are welded with second studs 13, the second studs 13 penetrate through the through holes in the four sides of the connecting ring 12 and are locked through second nuts 14, when the second studs 13 are locked through the second nuts 14, the filter cover 11 is stably arranged on the right side of the connecting frame 7, and impurities and dust in the air sucked into the connecting frame 7 can be filtered through the mesh of the filter cover 11, so that the impurities and the dust in the air can be effectively reduced, The semiconductor refrigeration piece 17 and the air guide coil pipe 16 are provided with impurities and dust adhesion amount, a wire hole is arranged at the center of the filter cover 11, and a power wire of the motor 8 penetrates out of the wire hole to be connected with a lower pile of a wiring of an external power switch.

Referring to fig. 1, 2, 3 and 4, a fixing frame 15 is uniformly welded on the front and back of the left side of a connecting frame 7, the fixing frame 15 is a U-shaped plate, an air guide coil 16 is welded on the fixing frame 15, eight semiconductor chilling plates 17 are uniformly arranged in each fixing frame 15 along the vertical direction, the model of each semiconductor chilling plate 17 is TEC1-12706, the power line of each vertical row of semiconductor chilling plates 17 is connected in series on a connection base, the electric connection end of the connection base is connected with a 12V storage battery power output end through a cable, a fixing frame 101 is slidably sleeved on each semiconductor chilling plate 17, screws are arranged on the two sides of the fixing frame 101 in a penetrating manner and locked on the fixing frame 15 through the screws, the semiconductor chilling plates 17 are stably installed on the fixing frame 101 through the arrangement of the fixing frame 101, when the semiconductor chilling plates 17 operate, the generated coldness can be transmitted to the fixing frame 101 and transmitted to the air guide coil 16 through the fixing frame 101, under the action of the rotating and blowing of the fan blades 10, the temperature around the air guide coil 16 is lower, and the refrigeration effect is good.

The working principle of the embodiment is as follows: when operation motor 9 and semiconductor refrigeration piece 17, when the rotor shaft of motor 9 is in the same direction as changeing, can inhale from the right side of splice frame 7, then discharge from the left side of splice frame 7, semiconductor refrigeration piece 17 transmits the degree of coldness that it produced to on mount 101 to transmit to air guide coil pipe 16 through mount 101 on, and under the effect is blown in the rotation of flabellum 10, make air guide coil pipe 16 peripheral temperature lower, refrigeration effect is good.

Through the mesh of filter mantle 11, can filter impurity and dust in the air of inhaling in the linking frame 7, effectively reduce impurity and dust adhesion volume on flabellum 10, semiconductor refrigeration piece 17 and the air guide coil pipe 16.

The soft backing plate 3 can soft support the bottom plate 4, and when the motor 9 runs, the large-scale air cooling device can be damped.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a large-scale air cooling device of LNG receiving station BOG compressor which characterized in that: including mount pad (1), be provided with bottom plate (4) on mount pad (1), be connected with carriage (7) through support column (6) on bottom plate (4), connecting rod (8) are connected in carriage (7), be provided with motor (9) between connecting rod (8), the rotor shaft tip of motor (9) is provided with flabellum (10), evenly be provided with fixed frame (15) around one side of carriage (7), be provided with air guide coil pipe (16) on fixed frame (15), follow vertical evenly in fixed frame (15) and be provided with five at least semiconductor refrigeration pieces (17).

2. The large air cooling device for the BOG compressor of the LNG receiving station as claimed in claim 1, wherein: the mounting base is characterized in that a first stud (2) is connected to the mounting base (1), a soft base plate (3) is arranged at the bottom of the bottom plate (4), and the first stud (2) penetrates through the soft base plate (3) and the bottom plate (4) and is locked through a first nut (5).

3. The large air cooling device for the BOG compressor of the LNG receiving station as claimed in claim 1, wherein: the opposite side of linking frame (7) is provided with filter mantle (11), filter mantle (11) are square screen panel, the mesh diameter of filter mantle (11) is no longer than 2 millimeters, the border of filter mantle (11) is provided with go-between (12), be connected with second double-screw bolt (13) on linking frame (7), second double-screw bolt (13) run through go-between (12) and lock through second nut (14).

4. The large air cooling device for the BOG compressor of the LNG receiving station as claimed in claim 1, wherein: the semiconductor refrigeration piece (17) is sleeved with a fixing frame (101), screws are arranged on two sides of the fixing frame (101) in a penetrating mode, and the screws are locked on the fixing frame (15) in a threaded mode.