Cold energy recycling device for LNG (Liquefied Natural Gas) gasification station

Abstract

The utility model discloses an LNG vaporizing station cold energy recycling device, relates to the LNG vaporizing station technical field, including device body, drive device, ice scraping sleeve, the inside of device body is fixedly connected with liquid guide pipe, the ice scraping sleeve is provided on the outer wall of liquid guide pipe, the number of the ice scraping sleeve is three, and the ice scraping sleeve passes through the limit sleeve respectively, and the limit sleeve is connected with the liquid guide pipe. The driving device comprises a driving motor, an output shaft of the driving motor is fixedly connected with a disc through a coupler, one side of the front end of the disc is fixedly connected with a limiting block, and the limiting block is slidably connected into a limiting sleeve. The driving motor is started to drive the disc to drive the limiting block to rotate with the center of the disc as the center, so that the limiting block slides in the limiting sleeve, and the limiting block drives the ice scraping sleeve to slide up and down when sliding in the limiting sleeve; and therefore, the ice scraping sleeve is driven to scrape ice on the outer wall of the liquid guide pipe, operation of workers is facilitated, and convenience is provided.

Description

Technical Field

[0001] The utility model relates to the technical field of LNG gasification stations, and particularly relates to a device for recycling cold energy of an LNG gasification station. Background Art

[0002] Liquefied Natural Gas (LNG), mainly composed of methane, is recognized as the cleanest fossil energy on earth. It is colorless, odorless, non-toxic and non-corrosive. Its volume is about 1 / 625 of the same amount of gaseous natural gas, and the mass of liquefied natural gas is only about 45% of the same volume of water. There is a large amount of cold energy in the process of using LNG, and this cold energy is usually collected by a cold energy recovery device. However, the conduit parts inside the existing cold energy recovery device will be covered with ice after long-term use, and it is inconvenient for the staff to manage the ice-covered parts of the conduit parts, which will affect the cold energy storage effect. Summary of the Utility Model

[0003] The utility model provides a device for recycling cold energy of an LNG gasification station to solve the problems put forward in the above background art.

[0004] To solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A device for recycling cold energy of an LNG gasification station includes a device body, a driving device, and an ice scraping sleeve. A liquid guide pipe is fixedly connected inside the device body. The ice scraping sleeve is arranged on the outer wall of the liquid guide pipe. The number of the ice scraping sleeves is three, and they are respectively connected through a limiting sleeve. The driving device includes a driving motor. The output shaft of the driving motor is fixedly connected with a disc through a coupling. One side of the front end of the disc is fixedly connected with a limiting block, and the limiting block is slidably connected inside the limiting sleeve.

[0006] Further improvement of the technical solution of the utility model lies in that: One end of the ice scraping sleeve is fixedly connected with a connecting block, and the three ice scraping sleeves are fixedly connected together through the connecting block and the limiting sleeve.

[0007] Adopting the above technical solution, the three ice scraping sleeves in this solution are of an integral structure through the limiting sleeve.

[0008] Further improvement of the technical solution of the utility model lies in that: A drainage groove is opened at the bottom inside the device body, and a placement groove is opened at the bottom inside the device body. An ice storage box is arranged inside the placement groove.

[0009] Adopting the above technical solution, the drainage groove in this solution is used to drain the scraped ice slag into the ice storage box for collection.

[0010] A further improvement of the technical solution of the present invention is that: a blocking assembly is provided on both sides of the placement groove, the blocking assembly includes a block, and through grooves are opened at both ends of the placement groove, and the block is slidably connected to the inside of the through groove.

[0011] By adopting the above technical solution, the stopper in the solution can slide inside the through groove.

[0012] A further improvement of the technical solution of the present invention is that: support blocks are fixedly connected to the bottoms of both ends of the device body, and an active cavity is opened inside the support block, and the active cavity is communicated with the through groove.

[0013] A further improvement of the technical solution of the present utility model is that one end of the stop block is fixedly connected to a limit plate, the limit plate is adapted to the movable cavity, the limit plate is slidably connected to the inside of the movable cavity, and the end of the limit plate away from the stop block is fixedly connected to a pull rod.

[0014] By adopting the above technical solution, the limiting plate in the solution can limit the stopper, so that the stopper will not fall out of the through slot, thereby providing stability.

[0015] A further improvement of the technical solution of the present utility model is that: the end of the limit plate away from the stop block is fixedly connected to a second return spring, the end of the second return spring away from the limit plate is fixedly connected to the inner wall of the movable cavity, and the end of the stop block away from the limit plate is provided with a slope.

[0016] The above-mentioned technical solution is adopted, in which the inclined surface is used to rub against the ice storage box, so that the stopper slides inside the through groove under the thrust of friction and drives the second return spring to compress, and the second return spring can drive the stopper to perform a return movement, so that the stopper returns to its original position and resists the ice storage box, so that the ice storage box will not fall out of the placement slot, providing good stability.

[0017] A further improvement of the technical solution of the present invention is that a push plate is provided inside the placement groove, one end of the push plate is fixedly connected to a first return spring, and one end of the first return spring away from the push plate is fixedly connected to the inner rear wall of the placement groove.

[0018] By adopting the above technical solution, the first reset spring in the solution can drive the push plate to perform reset movement, so that the push plate drives the ice storage box to perform reset movement, thereby pushing the ice storage box out of the placement slot, making it convenient to take out the ice storage box and process the ice debris.

[0019] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0020] 1. The utility model provides a cold energy recovery and utilization device for an LNG gasification station. By starting the driving motor to drive the disc to drive the limit block to rotate around the center of the disc, the limit block slides inside the limit sleeve. When the limit block slides inside the limit sleeve, it drives the ice scraping sleeve to slide up and down, thereby driving the ice scraping sleeve to scrape the ice covering the outer wall of the liquid guide pipe, which is convenient for the staff to operate and provides convenience.

[0021] 2. The utility model provides a cold energy recovery and utilization device for an LNG gasification station. By pulling the pull rod to drive the stop block to release the block on the ice storage box, and the first return spring can drive the push plate to perform a return movement, so that the push plate drives the ice storage box to perform a return movement, thereby pushing the ice storage box out of the placement groove, which is convenient for taking out the ice storage box to process the ice slag and provides convenience for the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1 is the front view of the cold energy recovery and utilization device for an LNG gasification station according to the embodiment of the present utility model;

[0024] Figure 2 is the structural diagram of the ice scraping sleeve of the cold energy recovery and utilization device for an LNG gasification station according to the embodiment of the present utility model;

[0025] Figure 3 is the internal structural diagram of the device body of the cold energy recovery and utilization device for an LNG gasification station according to the embodiment of the present utility model;

[0026] Figure 4 is the structural diagram of the driving device of the cold energy recovery and utilization device for an LNG gasification station according to the embodiment of the present utility model;

[0027] Figure 5 is the internal structural diagram of the placement groove of the cold energy recovery and utilization device for an LNG gasification station according to the embodiment of the present utility model;

[0028] Figure 6 is the structural diagram of the blocking component of the cold energy recovery and utilization device for an LNG gasification station according to the embodiment of the present utility model.

[0029] In the figure: 1. Device body; 101. Liquid guide pipe; 102. Drainage tank; 103. Placing groove; 104. Pushing plate; 105. First return spring; 106. Support block; 107. Activity cavity; 2. Driving device; 201. Driving motor; 202. Disc; 203. Limit block; 3. Resistance component; 301. Stopper; 302. Inclined surface; 303. Limit plate; 304. Pull rod; 305. Second return spring; 4. Ice scraping sleeve; 401. Connecting block; 402. Limit sleeve; 5. Ice storage box. Detailed implementation mode

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0031] The present invention will be further described in detail below in conjunction with the embodiments:

[0032] Embodiment 1

[0033] As Figure 1-6 shown, the present invention provides an LNG gasification station cold energy recovery and utilization device, including a device body 1, a driving device 2, and an ice scraping sleeve 4. A liquid guide pipe 101 is fixedly connected inside the device body 1. The ice scraping sleeve 4 is arranged on the outer wall of the liquid guide pipe 101. The number of ice scraping sleeves 4 is three, and they are respectively connected through a limit sleeve 402. The driving device 2 includes a driving motor 201. The output shaft of the driving motor 201 is fixedly connected with a disc 202 through a coupling. A limit block 203 is fixedly connected to one side of the front end of the disc 202. The limit block 203 is slidably connected inside the limit sleeve 402.

[0034] In this embodiment, by starting the driving motor 201 to drive the disc 202 to drive the limit block 203 to rotate around the center of the disc 202, the limit block 203 makes a sliding movement inside the limit sleeve 402. When the limit block 203 slides inside the limit sleeve 402, it drives the ice scraping sleeve 4 to make an up and down sliding movement, thereby driving the ice scraping sleeve 4 to scrape the ice covering the outer wall of the liquid guide pipe 101, which is convenient for the staff to operate and provides convenience.

[0035] Embodiment 2

[0036] As Figure 1-6As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, one end of the ice scraping sleeve 4 is fixedly connected to a connecting block 401, and the three ice scraping sleeves 4 are fixedly connected together by the connecting block 401 and the limiting sleeve 402. A drainage groove 102 is provided at the bottom inside the device body 1, and a placement groove 103 is provided at the bottom inside the device body 1. An ice storage box 5 is provided inside the placement groove 103, and a resisting assembly 3 is provided on both sides of the placement groove 103. The resisting assembly 3 includes a stopper 301, and a through groove is provided at both ends of the placement groove 103. The stopper 301 is slidably connected to the inside of the through groove. The bottom of both ends of the device body 1 is fixedly connected to a support block 106, and an active cavity 107 is provided inside the support block 106, and the active cavity 107 is communicated with the through groove.

[0037] In this embodiment, the three ice scraping sleeves 4 are integrated into a structure through the limiting sleeve 402. The drainage groove 102 is used to drain the scraped ice debris into the ice storage box 5 for collection, and the stopper 301 can slide inside the groove.

[0038] Example 3

[0039] like Figure 1-6 As shown, on the basis of Example 1 and Example 2, the utility model provides a technical solution: preferably, one end of the stop block 301 is fixedly connected to the limiting plate 303, the limiting plate 303 and the movable cavity 107 are adapted, the limiting plate 303 is slidably connected to the inside of the movable cavity 107, the end of the limiting plate 303 away from the stop block 301 is fixedly connected to the pull rod 304, the end of the limiting plate 303 away from the stop block 301 is fixedly connected to the second return spring 305, the end of the second return spring 305 away from the limiting plate 303 is fixedly connected to the inner wall of the movable cavity 107, and the end of the stop block 301 away from the limiting plate 303 is provided with a slope 302.

[0040] When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103, and the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103. When the ice storage box 5 is in the storage groove 103, the ice storage box 5 is in the storage groove 103.

[0041] The following is a detailed description of the working principle of the cold energy recovery and utilization device of the LNG gasification station.

[0042] like Figure 1-6 As shown, by starting the driving motor 201 to drive the disc 202, the limit block 203 is driven to rotate around the center of the disc 202, so that the limit block 203 slides inside the limit sleeve 402, and when the limit block 203 slides inside the limit sleeve 402, it will drive the ice scraper sleeve 4 to slide up and down, thereby driving the ice scraper sleeve 4 to scrape the ice on the outer wall of the liquid guide tube 101, and the scraped ice debris will fall into the ice storage box 5 through the drainage groove 102. When the ice storage box 5 needs to be taken out, it is only necessary to pull the pull rod 304 to drive the stopper 301 to release the obstruction of the ice storage box 5. At this time, the first return spring 105 will drive the push plate 104 to reset, so that the push plate 104 drives the ice storage box 5 to reset, thereby the ice storage box The ice bank 5 is pushed out of the placement groove 103, and the ice bank 5 can be taken out to dispose of the ice debris. When the ice bank 5 needs to be installed, the ice bank 5 is inserted into the placement groove 103. During the insertion process, the edge of the ice bank 5 and the inclined surface 302 rub against each other, causing the stopper 301 to slide inside the through groove under the thrust of the friction and compressing the second return spring 305. At this time, the ice bank 5 is further inserted. When the ice bank 5 touches the push plate 104, the first return spring 105 is compressed. When the ice bank 5 passes the stopper 301, the second return spring 305 drives the stopper 301 to return to its original position, resisting the ice bank 5, so that the ice bank 5 does not fall out of the placement groove 103, and the installation of the ice bank 5 is completed.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An LNG gasification station cold energy recovery and utilization device, comprising a device body (1), a driving device (2), and an ice scraping sleeve (4), characterized in that: Inside the device body (1), a liquid guide pipe (101) is fixedly connected. The ice scraping sleeve (4) is arranged on the outer wall of the liquid guide pipe (101). The number of the ice scraping sleeves (4) is three, and they are respectively connected through a limit sleeve (402). The driving device (2) includes a driving motor (201). The output shaft of the driving motor (201) is fixedly connected with a disc (202) through a coupling. One side of the front end of the disc (202) is fixedly connected with a limit block (203). The limit block (203) is slidably connected inside the limit sleeve (402).

2. The cold energy recovery and utilization device for an LNG gasification station according to claim 1, wherein: One end of the ice scraping sleeve (4) is fixedly connected with a connecting block (401). The three ice scraping sleeves (4) are fixedly connected together through the connecting block (401) and the limit sleeve (402).

3. The LNG gasification station cold energy recovery and utilization device according to claim 2, characterized in that: A drainage groove (102) is opened at the bottom inside the device body (1). A placement groove (103) is opened at the bottom inside the device body (1). An ice storage box (5) is arranged inside the placement groove (103).

4. An LNG gasification station cold energy recovery and utilization device according to claim 3, characterized in that: Blocking components (3) are arranged on both sides of the placement groove (103). The blocking components (3) include a blocking block (301). Through grooves are opened at both ends of the placement groove (103). The blocking block (301) is slidably connected inside the through grooves.

5. The cold energy recovery and utilization device for an LNG gasification station according to claim 4, wherein: Support blocks (106) are fixedly connected to the bottoms of both ends of the device body (1). An activity cavity (107) is opened inside the support blocks (106). The activity cavity (107) communicates with the through grooves.

6. The cold energy recovery and utilization device for an LNG gasification station according to claim 5, characterized in that: One end of the blocking block (301) is fixedly connected with a limit plate (303). The limit plate (303) is adapted to the activity cavity (107). The limit plate (303) is slidably connected inside the activity cavity (107). One end of the limit plate (303) far from the blocking block (301) is fixedly connected with a pull rod (304).

7. An LNG gasification station cold energy recovery and utilization device according to claim 6, characterized in that: One end of the limit plate (303) far from the blocking block (301) is fixedly connected with a second return spring (305). The end of the second return spring (305) far from the limit plate (303) is fixedly connected to the inner wall of the activity cavity (107). One end of the blocking block (301) far from the limit plate (303) is provided with an inclined surface (302).

8. The cold energy recovery and utilization device for an LNG gasification station according to claim 7, wherein: A push plate (104) is arranged inside the placement groove (103). One end of the push plate (104) is fixedly connected with a first return spring (105). The end of the first return spring (105) far from the push plate (104) is fixedly connected to the inner rear wall of the placement groove (103).

Images