CN210921883U - Device is got to LNG fishing boat fluidization ice preparation - Google Patents
Device is got to LNG fishing boat fluidization ice preparation Download PDFInfo
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- CN210921883U CN210921883U CN201921267482.1U CN201921267482U CN210921883U CN 210921883 U CN210921883 U CN 210921883U CN 201921267482 U CN201921267482 U CN 201921267482U CN 210921883 U CN210921883 U CN 210921883U
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- ice
- fluidized
- ice making
- rotating shaft
- lng
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Abstract
The utility model belongs to the technical field of the fluidization ice system is got, a device is got to LNG fishing boat fluidization ice system is related to. The utility model discloses a fluidization ice-making barrel and can provide the LNG groove jar of cold energy for fluidization ice-making barrel, the sea water import and the export of fluidization ice have been seted up on the fluidization ice-making barrel, be equipped with first stand pipe and second stand pipe on the fluidization ice-making barrel, the spout has been seted up on the first stand pipe, be equipped with the pivot in the fluidization ice-making barrel, and the upper end of pivot stretches out the upside face of fluidization ice-making barrel, the lower extreme of pivot extends into the second stand pipe, be equipped with the sliding block in the pivot, the sliding block slides and establishes in the spout, be provided with in the pivot and strike off the scraper mechanism that can strike off the ice crystal on the fluidization ice-making barrel inner wall; the fluidized ice making barrel is provided with a driving mechanism capable of driving the rotating shaft to rotate. The utility model has the advantages that: ice crystals are more effectively scraped off in the process of producing fluidized ice by using LNG cold energy.
Description
Technical Field
The utility model belongs to the technical field of the fluidization ice system is got, a device is got to LNG fishing boat fluidization ice system is related to.
Background
In the process of using LNG as fuel of a fishing boat and a ship, huge cold energy can be generated, and the cold energy can be used for thermal power generation, ship refrigeration, seawater desalination, equipment cooling, aquatic product preservation and the like on the fishing boat and the ship. The adoption of fluidized ice for fresh-keeping of water products is a fresh-keeping mode which is activated in recent years.
Fluidized ice is a two-phase solution of solid and liquid containing ice crystal particles, simply an ice-water mixture. According to the related research, the cooling capacity of the fluidized ice is about 5 times that of the common ice under the same condition, and the heat supply coefficient of the fluidized ice can be relatively increased by about 50%. Because the fluidized ice is ice crystal particles, the particles are fine and uniform, can flow, can not damage the outer surface of aquatic products, and can wrap the aquatic products quickly, so that the aquatic products are cooled quickly, external bacteria are prevented from entering the aquatic products, the growth of the internal bacteria is prevented, and the freshness of the aquatic products is ensured.
When adopting scraper mode system to get fluidized ice, because scrape the skates and can only be rotary motion, can't strike off to the ice crystal between two sets of skates, the ice crystal that can't strike off after the time is permanent increases gradually and forms the ice-cube, leads to the ice-making effect of ice-maker to descend, probably takes place even to scrape the skates because the ice-cube is too big and problem that can't work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a device is got to LNG fishing boat fluidization ice system, the utility model discloses the technical problem that will solve is: how to more effectively scrape off ice crystals in the process of preparing fluidized ice by utilizing LNG cold energy.
The purpose of the utility model can be realized by the following technical proposal: an LNG fishing vessel fluidized ice making device, comprising:
the fluidized ice making device comprises a fluidized ice making barrel, a water inlet and a fluidized ice outlet, wherein the fluidized ice making barrel is provided with a seawater inlet and a fluidized ice outlet;
the first guide pipe is coaxially and fixedly arranged on the upper side surface of the fluidized ice making cylinder, and an annular sliding groove is obliquely formed in the inner wall of the first guide pipe around the axis;
the second guide pipe is coaxially and fixedly arranged on the bottom of the fluidized ice making cylinder;
the rotating shaft is coaxially arranged in the fluidized ice making barrel, the outer diameter of the rotating shaft is smaller than the inner diameters of the first guide pipe and the second guide pipe, the upper end of the rotating shaft extends out of the upper side face of the fluidized ice making barrel, the lower end of the rotating shaft extends into the second guide pipe, a sliding block is fixedly arranged on the rotating shaft and is arranged in the sliding groove in a sliding manner, a scraper mechanism capable of scraping ice crystals on the inner wall of the fluidized ice making barrel is arranged on the rotating shaft, and the scraper mechanism is positioned above the second guide pipe;
the driving mechanism can drive the rotating shaft to rotate;
an LNG tank capable of providing cold energy for ice making for a fluidized ice making drum.
In foretell device is got to LNG fishing boat fluidization ice system, scraper mechanism includes that a plurality of scrapes ice pole, a plurality of scrape the ice pole and set firmly in the pivot along the axial interval of pivot, the free end level of scraping the ice pole has set firmly and has scraped the skates, scrape the transversal rectangle of personally submitting of skates, the longitudinal section of scraping the skates is trapezoidal, it has first blade and second blade respectively on the vertical border of skates both sides to scrape.
In the fluidized ice making device for the LNG fishing vessel, the lower end of the second guide pipe is provided with a plurality of drainage notches.
In the fluidized ice making device for the LNG fishing vessel, the edges of the upper side and the lower side of the ice scraping blade are respectively provided with a fourth cutting edge and a third cutting edge.
In the fluidized ice making device for the LNG fishing vessel, a cold carrying cavity is formed in the wall of the fluidized ice making barrel along the circumferential direction, the output end of the LNG tank is connected with a cold carrying pipe, and the cold carrying pipe is wound in the cold carrying cavity.
In the fluidized ice making device for the LNG fishing boat, the driving device comprises a motor, the motor is arranged on the upper side surface of the fluidized ice making cylinder, and the output end of the motor is in transmission connection with the upper end of the rotating shaft.
In the fluidized ice making device for the LNG fishing vessel, the cross section of the sliding chute is arc-shaped, the side surface of the sliding block, which is close to the sliding chute, is spherical, and the side surface of the spherical is in contact with the bottom of the sliding chute.
In foretell device is got to LNG fishing boat fluidization ice, still include the host computer, be connected with sea water pipeline on the sea water import, the last sea water pump that is provided with of sea water pipeline, be connected with fluidization ice outlet pipe way in the fluidization ice export, be provided with the fluidization ice pump on the fluidization ice outlet pipe way, the output of fluidization ice outlet pipe way is connected with the fluidization ice holding vessel, the output end connection who carries the cold charge pipe has the gas supply line, the last heater that is connected with of gas supply line, the output of gas supply line links to each other with the air inlet of host computer.
Compared with the prior art, this LNG fishing boat fluidization ice system gets device has following advantage:
1. the cold energy of LNG is used for preparing the fluidized ice, so that the utilization rate of the energy of the LNG is improved.
2. The ice scraping blade makes spiral motion, so that an ice scraping blind area is eliminated, and the ice making efficiency is improved.
3. Under the drive of the rotating shaft, the ice scraping rod makes spiral motion, stirs the seawater and avoids ice crystals in the seawater from being combined together.
Drawings
Fig. 1 is a schematic structural view of a fluidized ice making cylinder of the present invention.
Fig. 2 is a sectional view of the structure at a-a in fig. 1.
Fig. 3 is a side view of the structure at B-B in fig. 2.
Fig. 4 is a side view of the structure at C-C in fig. 1.
Fig. 5 is a schematic structural view of another working state of the fluidized ice making cylinder of the present invention.
Fig. 6 is a schematic structural diagram of the present invention.
In the figure, 1, a fluidized ice making cylinder; 11. an ice making chamber; 12. a seawater inlet; 13. a fluidized ice outlet; 14. a cold carrying cavity; 15. positioning holes; 151. a sliding bearing; 16. a seawater pipeline; 161. a sea water pump; 17. a fluidized ice outlet conduit; 171. a fluidized ice pump; 2. a rotating shaft; 21. a slider; 22. a driven wheel; 3. a motor; 31. a driving wheel; 4. a first guide tube; 41. a first guide hole; 42. a chute; 421. the highest point of the chute; 422. the lowest point of the chute; 423. an arc-shaped slideway; 5. a second guide tube; 51. a second guide hole; 52. a drainage gap; 6. an ice scraping rod; 61. an ice scraping blade; 611. a first cutting edge; 612. a second cutting edge; 613. a third cutting edge; 614. a fourth cutting edge; 7. an LNG tank; 71. a cold carrying pipe; 8. a host; 81. a gas supply duct; 82. a heater; 9. a fluidized ice storage tank.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Referring to fig. 1 to 6, an LNG fishing vessel fluidized ice making apparatus includes:
the device comprises a fluidized ice making barrel 1, wherein a seawater inlet 12 and a fluidized ice outlet 13 are formed in the fluidized ice making barrel 1;
the first guide pipe 4 is coaxially and fixedly arranged on the upper side surface of the fluidized ice making cylinder 1, and an annular sliding groove 42 is obliquely formed on the inner wall of the first guide pipe 4 around the axis;
the second guide pipe 5 is coaxially and fixedly arranged on the bottom of the fluidized ice making cylinder 1;
the rotating shaft 2 is coaxially arranged in the fluidized ice making barrel 1, the outer diameter of the rotating shaft 2 is smaller than the inner diameters of the first guide pipe 4 and the second guide pipe 5, the upper end of the rotating shaft 2 extends out of the upper side face of the fluidized ice making barrel 1, the lower end of the rotating shaft 2 extends into the second guide pipe 5, a sliding block 21 is fixedly arranged on the rotating shaft 2, the sliding block 21 is arranged in a sliding groove 42 in a sliding manner, a scraper mechanism capable of scraping ice crystals on the inner wall of the fluidized ice making barrel 1 is arranged on the rotating shaft 2, and the scraper mechanism is positioned above the second guide pipe 5;
the driving mechanism can drive the rotating shaft 2 to rotate;
an LNG tank 7, the LNG tank 7 being capable of providing cold energy for ice making to the fluidized ice making drum 1.
Specifically, the fluidized ice making barrel 1 is vertically arranged, is cylindrical, and is internally provided with an ice making cavity 11. The seawater inlet 12 is arranged on the upper side surface of the fluidized ice-making cylinder 1, the fluidized ice outlet 12 is arranged on the lower side surface of the fluidized ice-making cylinder 1, and the seawater inlet 12 and the fluidized ice outlet 12 are both communicated with the ice-making cavity 11. The middle part of the upper side surface of the fluidized ice making cylinder 1 is provided with a positioning hole 15, and a sliding bearing 151 is arranged in the positioning hole 15. The upper end of the rotation shaft 2 passes through the positioning hole 15 to protrude out of the upper side of the fluidized ice making drum 1, and the rotation shaft 2 is slidably disposed with the sliding bearing 151 in the positioning hole 15.
The first guide tube 4 has a first guide hole 41 therein, and the slide groove 42 is opened on the inner wall of the first guide hole 41. The chute 42 has a chute highest point 421, a chute lowest point 422 and two oppositely arranged arc-shaped slideways 423. The two arc-shaped slideways 423 are respectively positioned between the highest point 421 and the lowest point 422 of the chute.
The second guide tube 5 is fixedly arranged at the bottom of the ice making cavity 11 and is positioned right below the rotating shaft 2, a second guide hole 51 is formed in the second guide tube 5, the lower end of the rotating shaft 2 extends into the second guide hole 51, and the rotating shaft 2 and the inner wall of the second guide hole 51 are arranged in a sliding mode.
When the sliding block 21 reaches the highest point 421 of the sliding groove, the rotating shaft 2 reaches the highest point of the stroke, and the lower end of the rotating shaft 2 is located in the upper part of the second guide hole 51; when the sliding block 21 reaches the lowest point 422 of the sliding groove, the rotating shaft 2 reaches the lowest point of the stroke, and the lower end of the rotating shaft 2 is located in the lower part of the second guide hole 51.
In the process of making ice by the fluidized ice making cylinder 1, the LNG in the LNG tank 7 provides cold energy for making ice for the fluidized ice making cylinder 1, and ice crystals are formed on the inner wall of the ice making chamber 11. The driving mechanism drives the rotating shaft 2 to rotate. When the rotating shaft 2 rotates, the sliding block 21 slides in the sliding groove 42, and when the sliding block 21 slides from the highest point 421 of the sliding groove to the lowest point 422 of the sliding groove along an arc-shaped sliding way 423, the rotating shaft 2 moves downwards; when the sliding block 21 slides from the lowest point 422 of the sliding slot to the highest point 421 of the sliding slot along another arc-shaped sliding channel 423, the rotating shaft 2 moves upward, so that the rotating shaft 2 can also reciprocate up and down while rotating. The ice scraping mechanism is driven by the rotating shaft 2 to do spiral motion, so that ice crystals on the inner wall of the ice making cavity 11 are scraped. When the rotating shaft 2 rotates and reciprocates up and down, the lower end of the rotating shaft 2 always slides in the second guide pipe 5, and the stability of the rotating shaft 2 during movement is further improved.
Therefore, the cold energy of the LNG is used for preparing the fluidized ice in the structure, so that the utilization rate of the energy of the LNG is improved; the spiral motion of the ice scraping mechanism eliminates the ice scraping blind area and improves the ice making efficiency. In addition, the rotating shaft 2 can reciprocate up and down while rotating, so that the ice scraping mechanism is driven to stir the seawater in the ice making cavity 11, and ice crystals in the seawater are prevented from being bonded together.
Referring to fig. 1, fig. 2 and fig. 3 specifically, the scraper mechanism includes that a plurality of scrapes ice pole 6, a plurality of scrape ice pole 6 and set firmly on pivot 2 along the axial interval of pivot 2, the free end level of scraping ice pole 6 has set firmly and has scraped ice sword 61, the cross-section of scraping ice sword 61 is the rectangle, the longitudinal section of scraping ice sword 61 is trapezoidal, scrape and have first blade 611 and second blade 612 on the vertical border in ice sword 61 both sides respectively.
Preferably, the ice scraping rods 6 are horizontally arranged, and the distance between two adjacent ice scraping rods 6 is equal to the stroke of the rotating shaft 2 in the up-and-down reciprocating motion.
Under the drive of the rotating shaft 2, the ice scraping rod 6 makes spiral motion, and the ice scraping rod 6 stirs seawater to prevent ice crystals in the seawater from being frozen together. Meanwhile, the first cutting edge 611 or the second cutting edge 612 on the ice scraping blade 61 moves around the axis of the rotating shaft 2, ice crystals on the fluidized ice making cylinder 1 are scraped, an ice scraping blind area is eliminated, and ice scraping efficiency is improved.
Specifically, the ice scraping blade 61 has a fourth cutting edge 614 and a third cutting edge 613 on the upper and lower edges thereof, respectively.
When the ice scraping blade 61 moves around the axis of the rotating shaft 2, the third cutting edge 613 and the fourth cutting edge 614 can assist the first cutting edge 611 and the second cutting edge 612 in scraping ice crystals on the fluidized ice making cylinder 1, so that the working efficiency of the ice scraping blade 61 is improved.
Specifically, the lower end of the second guiding tube 5 is opened with a plurality of drainage notches 52.
The discharge opening 52 communicates with the second guide hole 51 in the second guide tube 5. When the lower end of the rotating shaft 2 moves in the second guide hole 51, the drainage gap 52 facilitates the seawater to flow into or out of the second guide hole 51. Preferably, the number of drainage apertures is 4.
Specifically, a cold carrying cavity 14 is formed in the wall of the fluidized ice making cylinder 1 along the circumferential direction, the output end of the LNG tank 7 is connected with a cold carrying pipe 71, and the cold carrying pipe 71 is wound in the cold carrying cavity 14.
The LNG or the low-temperature natural gas in the LNG tank 7 exchanges heat with the seawater in the fluidized ice making cylinder 1 through the cold carrying pipe 71, so that the seawater forms ice crystals on the inner wall of the fluidized ice making cylinder 1, thereby improving the utilization of the LNG cold energy.
Specifically, the driving device comprises a motor 3, the motor 3 is arranged on the upper side surface of the fluidized ice making cylinder 1, and the output end of the motor 3 is in transmission connection with the upper end of the rotating shaft 2.
Preferably, a driving wheel 31 is coaxially and fixedly arranged on the output end of the motor 3, a driven wheel 22 is coaxially and fixedly arranged on the upper end of the rotating shaft 2, and the width of the driving wheel 31 is smaller than that of the driven wheel 24. When the rotating shaft 2 reciprocates up and down, the driving wheel 31 is always meshed with the driven wheel 22. The motor 3 is connected through the transmission and drives the rotating shaft 2 to move stably, so that the ice scraping mechanism can stably scrape ice crystals.
Specifically, the cross section of the sliding groove 42 is arc-shaped, and the side surface of the sliding block 21 close to the sliding groove 42 is spherical, and the side surface of the spherical is in contact with the bottom of the sliding groove 42.
The rotating shaft 2 drives the sliding block 21 to make the spherical side surface of the sliding block 21 slide in the sliding groove 42, so as to prevent the sliding block 21 from being locked in the sliding groove 42.
Referring to fig. 1 and 6, particularly, this device is got to LNG fishing boat fluidized ice system still includes host computer 8, be connected with sea water pipeline 16 on the sea water import 12, be provided with sea water pump 161 on the sea water pipeline 16, be connected with fluidized ice outlet pipeline 17 on the fluidized ice export 13, be provided with fluidized ice pump 171 on the fluidized ice outlet pipeline 17, the output of fluidized ice outlet pipeline 17 is connected with fluidized ice holding vessel 9, the output end connection of cold carrier 71 has air feed line 81, be connected with heater 82 on the air feed line 81, the output of air feed line 81 links to each other with the air inlet of host computer 8.
The seawater pump 161 discharges seawater into the fluidized ice making cylinder 1 through the seawater pipeline 16, the seawater forms ice crystals on the inner wall of the fluidized ice making cylinder 1, the ice crystals on the inner wall of the fluidized ice making cylinder 1 are scraped by the ice scraping blade 61, and the ice crystals are mixed with the seawater to form fluidized ice. The fluidized ice pump 171 discharges the fluidized ice in the fluidized ice making drum 1 into the fluidized ice storage pipe 9 through the fluidized ice outlet pipe 17. The LNG or the low-temperature natural gas exchanges heat with the seawater in the fluidized ice making cylinder 1 through the cold carrying pipe 15, enters the gas supply pipeline 81 from the output end of the cold carrying pipe 15, is heated to 20 ℃ by the heater 82, and then is supplied to the main engine 8 as the fuel of the main engine 8.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a device is got to LNG fishing boat fluidization ice which characterized in that includes:
the device comprises a fluidized ice making barrel (1), wherein a seawater inlet (12) and a fluidized ice outlet (13) are formed in the fluidized ice making barrel (1);
the first guide pipe (4), the first guide pipe (4) is coaxially and fixedly arranged on the upper side surface of the fluidized ice making cylinder (1), and an annular sliding groove (42) is obliquely arranged on the inner wall of the first guide pipe (4) around the axis;
the second guide pipe (5), the said second guide pipe (5) is fixed on the bottom of the ice-making cylinder of the fluidization ice (1) coaxially;
the fluidized ice making device comprises a rotating shaft (2), wherein the rotating shaft (2) is coaxially arranged in a fluidized ice making cylinder (1), the outer diameter of the rotating shaft (2) is smaller than the inner diameters of a first guide pipe (4) and a second guide pipe (5), the upper end of the rotating shaft (2) extends out of the upper side face of the fluidized ice making cylinder (1), the lower end of the rotating shaft (2) extends into the second guide pipe (5), a sliding block (21) is fixedly arranged on the rotating shaft (2), the sliding block (21) is slidably arranged in a sliding groove (42), a scraper mechanism capable of scraping ice crystals on the inner wall of the fluidized ice making cylinder (1) is arranged on the rotating shaft (2), and the scraper mechanism is positioned above the second guide pipe (5);
the driving mechanism can drive the rotating shaft (2) to rotate;
an LNG tank (7), the LNG tank (7) being capable of providing cold energy for ice making for a fluidized ice making cartridge (1).
2. The LNG fishing vessel fluidized ice making device according to claim 1, wherein the scraper mechanism comprises a plurality of ice scraping rods (6), the ice scraping rods (6) are fixedly arranged on the rotating shaft (2) along the axial direction of the rotating shaft (2) at intervals, an ice scraping blade (61) is horizontally and fixedly arranged at the free end of each ice scraping rod (6), the cross section of each ice scraping blade (61) is rectangular, the longitudinal section of each ice scraping blade (61) is trapezoidal, and a first cutting edge (611) and a second cutting edge (612) are respectively arranged on the vertical edges of two sides of each ice scraping blade (61).
3. An LNG fishing vessel fluidized ice making apparatus according to claim 2, characterized in that the ice scraper (61) has a fourth cutting edge (614) and a third cutting edge (613) on its upper and lower edges, respectively.
4. An LNG fishing vessel fluidized ice making apparatus according to claim 3, characterized in that the lower end of the second guiding pipe (5) is provided with a plurality of drainage notches (52).
5. The LNG fishing vessel fluidized ice making device according to claim 4, wherein a cold carrying cavity (14) is formed in the wall of the fluidized ice making barrel (1) along the circumferential direction, the output end of the LNG tank (7) is connected with a cold carrying pipe (71), and the cold carrying pipe (71) is wound in the cold carrying cavity (14).
6. The LNG fishing vessel fluidized ice making device according to claim 5, wherein the driving mechanism comprises a motor (3), the motor (3) is arranged on the upper side surface of the fluidized ice making cylinder (1), and the output end of the motor (3) is in transmission connection with the upper end of the rotating shaft (2).
7. An LNG fishing vessel fluidized ice making device according to claim 6, characterized in that the cross section of the sliding groove (42) is arc-shaped, the side of the sliding block (21) close to the sliding groove (42) is spherical, and the spherical side is contacted with the bottom of the sliding groove (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921267482.1U CN210921883U (en) | 2019-08-06 | 2019-08-06 | Device is got to LNG fishing boat fluidization ice preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921267482.1U CN210921883U (en) | 2019-08-06 | 2019-08-06 | Device is got to LNG fishing boat fluidization ice preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210921883U true CN210921883U (en) | 2020-07-03 |
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ID=71361681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921267482.1U Expired - Fee Related CN210921883U (en) | 2019-08-06 | 2019-08-06 | Device is got to LNG fishing boat fluidization ice preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210921883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116332269A (en) * | 2023-04-25 | 2023-06-27 | 瑞蓝科环保工程技术有限公司 | Intelligent device for desalting sea water by utilizing LNG cold energy |
-
2019
- 2019-08-06 CN CN201921267482.1U patent/CN210921883U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116332269A (en) * | 2023-04-25 | 2023-06-27 | 瑞蓝科环保工程技术有限公司 | Intelligent device for desalting sea water by utilizing LNG cold energy |
| CN116332269B (en) * | 2023-04-25 | 2023-10-20 | 瑞蓝科环保工程技术有限公司 | Intelligent device for desalting sea water by utilizing LNG cold energy |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20210806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |