阅读说明：本技术 一种lng冷能回收制冰系统及方法 (LNG cold energy recovery ice making system and method ) 是由 汤荣华 唐志军 陈美红 汤问天 张圆明 陈美君 黄阔 方可安 程秋娴 于 2021-08-31 设计创作，主要内容包括：本发明公开了一种LNG冷能回收制冰系统及方法,其技术方案是：包括气化罐,气化罐两侧分别固定连接有进液管和出气管,出气管一端设有密封机构；密封机构包括制冰罐,出气管远离气化罐一端设有活动件,活动件远离气化罐一侧开设有第一滑动槽,出气管远离气化罐一端外侧固定连接有限位板,限位板设于第一滑动槽内部且与活动件滑动连接,活动件远离气化罐一侧两端均固定连接有T形块,制冰罐一侧两端均开设有第二滑动槽,T形块设于第二滑动槽内部且与制冰罐滑动连接,一种LNG冷能回收制冰系统及方法有益效果是：解决了现有的LNG冷能制冰过程大多数两步操作进行,容易导致气化的冷能散发,从而导致资源浪费的问题。(The invention discloses an LNG cold energy recovery ice making system and a method, and the technical scheme is as follows: the gasification device comprises a gasification tank, wherein a liquid inlet pipe and a gas outlet pipe are fixedly connected to two sides of the gasification tank respectively, and a sealing mechanism is arranged at one end of the gas outlet pipe; sealing mechanism is including making the ice jar, the outlet duct is kept away from gasification jar one end and is equipped with the moving part, the moving part is kept away from gasification jar one side and has been seted up first sliding tray, gasification jar one end outside fixedly connected with limiting plate is kept away from to the outlet duct, the limiting plate is located first sliding tray inside and with moving part sliding connection, the moving part is kept away from the equal fixedly connected with T-shaped piece in gasification jar one side both ends, the second sliding tray has all been seted up at ice jar one side both ends, the T-shaped piece locate the second sliding tray inside and with ice making jar sliding connection, an LNG cold energy recovery system and method beneficial effect is: the problem of current LNG cold energy ice-making process most two-step operation go on, lead to the cold energy of gasification to distribute easily to lead to the wasting of resources is solved.)

1. The utility model provides an LNG cold energy recovery system of making ice, includes vaporizer (1), its characterized in that: a liquid inlet pipe (2) and a gas outlet pipe (3) are respectively and fixedly connected to two sides of the gasification tank (1), and a sealing mechanism is arranged at one end of the gas outlet pipe (3);

the sealing mechanism comprises an ice making tank (4), a moving part (5) is arranged at one end, far away from the gasification tank (1), of the air outlet pipe (3), a first sliding groove (6) is formed in one side, far away from the gasification tank (1), of the moving part (5), a limiting plate (7) is fixedly connected to the outer side of one end, far away from the gasification tank (1), of the air outlet pipe (3), the limiting plate (7) is arranged inside the first sliding groove (6) and is in sliding connection with the moving part (5), T-shaped blocks (8) are fixedly connected to two ends of one side, far away from the gasification tank (1), of the moving part (5), second sliding grooves (9) are formed in two ends of one side, close to the gasification tank (1), of the ice making tank (4), the T-shaped blocks (8) are arranged inside the second sliding grooves (9) and are in sliding connection with the ice making tank (4), limiting grooves (10) are formed in two ends of one side, close to the moving part (5), of the ice making tank (4), the limiting groove (10) is arranged at one end of the second sliding groove (9), the T-shaped block (8) is arranged inside the limiting groove (10) and movably sleeved with the ice making tank (4), an air inlet (11) is formed in one side of the ice making tank (4), one end, close to the ice making tank (4), of the air outlet pipe (3) is arranged inside the air inlet (11) and movably sleeved with the ice making tank (4), an embedded groove is formed in the edge of one end, close to the ice making tank (4), of the air outlet pipe (3), an L-shaped ring block (12) is fixedly connected to the outer wall of an inner cavity of the air inlet (11), the L-shaped ring block (12) is arranged inside the embedded groove and movably sleeved with the air outlet pipe (3), an isolation elastic sheet (13) is movably sleeved at the joint of the L-shaped ring block (12) and the inner wall of the air inlet (11) and inside the embedded groove, a plurality of elastic balls (14) are arranged at the bottom of the isolation elastic sheet (13), a plurality of the elastic balls (14) are distributed in a circumferential array.

2. An LNG cold energy recovery ice making system according to claim 1, wherein: outlet duct (3) one side is equipped with back flow (15), back flow (15) both ends respectively with outlet duct (3) and vaporizer (1) fixed connection and communicate with each other, the outlet duct (3) outside is equipped with and separates the gas subassembly, it includes ooff valve (16) to separate the gas subassembly, feed liquor pipe (2) and outlet duct (3) outside and with feed liquor pipe (2) and outlet duct (3) fixed connection are located respectively in ooff valve (16), back flow (15) and moving part (5) middle part are located in outlet duct (3) outside ooff valve (16).

3. An LNG cold energy recovery ice making system according to claim 2, wherein: moving part (5) inside is equipped with control assembly, control assembly includes first threaded rod (17), first threaded rod (17) are located inside one side of first sliding tray (6) and are rotated with moving part (5) and be connected, first threaded rod (17) run through limiting plate (7) outside one end and with limiting plate (7) threaded connection, moving part (5) one side fixedly connected with servo motor (18), first threaded rod (17) one end and servo motor (18) output end fixed connection.

4. An LNG cold energy recovery ice making system according to claim 3, wherein: the utility model discloses a refrigerator, including ice making jar (4), movable assembly and movable plate (19), ice making jar (4) outside is close to moving part (5) one side and has seted up inside groove (22), inside groove (22) inside and cup joint with ice making jar (4) activity are located in movable plate (19), the equal fixedly connected with movable rod (20) in movable plate (19) top both sides, movable rod (20) run through ice making jar (4) and extend to inside second sliding tray (9), movable rod (20) top fixedly connected with fixed block (21), fixed block (21) top and T-shaped piece (8) bottom laminate.

5. An LNG cold energy recovery ice making system as claimed in claim 4, wherein: a rotating groove is arranged at the bottom of one side of the outer side of the ice making tank (4) close to the moving piece (5), the rotating groove is arranged at the bottom of the inner groove (22) and communicated with the inner groove (22), the inner part of the rotating groove is rotatably connected with a second threaded rod (23) through a bearing, the second threaded rod (23) penetrates through the movable plate (19) and is in threaded connection with the movable plate (19), the bottom of the second threaded rod (23) is fixedly connected with a first bevel gear (24), a through groove is arranged on the outer side of the ice making tank (4), a rotating rod (25) is rotatably connected inside the through groove through a bearing, two ends of the outer side of the rotating rod (25) are fixedly connected with second bevel gears (26), the second bevel gear (26) is meshed with the first bevel gear (24), the bottom of the outer side of the ice making tank (4) is fixedly connected with a direct current motor (27), the output end of the direct current motor (27) is fixedly connected with one end of the rotating rod (25).

6. An LNG cold energy recovery ice making system as claimed in claim 5, wherein: the ice making tank (4) bottom both sides equal fixedly connected with support piece (28), support piece (28) bottom is equipped with lifting unit, lifting unit includes movable plate (29), third sliding tray (30) have been seted up to support piece (28) inboard, movable plate (29) both sides are all located inside and with support piece (28) sliding connection of third sliding tray (30), third sliding tray (30) are inside to be connected with third threaded rod (31) through bearing rotation, third threaded rod (31) run through movable plate (29) and with movable plate (29) threaded connection, third threaded rod (31) top fixedly connected with third bevel gear (32), third bevel gear (32) are connected with second bevel gear (26) meshing.

7. An LNG cold energy recovery ice making system according to claim 6, wherein: moving plate (29) bottom is equipped with movable assembly, movable assembly includes gyro wheel (33), moving plate (29) bottom is rotated through the bearing and is connected with rotation cover (34), rotate a plurality of fixed axles of cover (34) inner chamber fixedly connected with (35), a plurality of fixed axles (35) are even array distribution, gyro wheel (33) are located the fixed axle (35) outside and are cup jointed with fixed axle (35) activity, the equal fixedly connected with stopper in fixed axle (35) outside both ends, two stopper middle parts are located in gyro wheel (33).

8. An LNG cold energy recovery ice making system according to claim 7, wherein: make ice jar (4) inner chamber bottom fixedly connected with temperature sensor (36), make ice jar (4) one side fixedly connected with PLC (37) able to programme, make ice jar (4) outside middle part fixedly connected with siren (38), temperature sensor (36) pass through AD converter and PLC (37) able to programme electric connection, PLC (37) able to programme pass through the DA converter respectively with siren (38) and DC motor (27) electric connection.

9. An LNG cold energy recovery ice making system according to claim 1, wherein: a return pipe (15) is arranged on one side of the air outlet pipe (3), two ends of the return pipe (15) are respectively fixedly connected and communicated with the air outlet pipe (3) and the gasification tank (1), an air isolating assembly is arranged on the outer side of the air outlet pipe (3), the air isolating assembly comprises a sealing plate (39), a fourth sliding groove (40) is respectively formed in two ends of one side, close to the ice making tank (4), of the moving part (5), sliding blocks (41) are respectively and fixedly connected with two ends of one side of the sealing plate (39), the sliding blocks (41) are arranged in the fourth sliding grooves (40) and are in sliding connection with the ice making tank (4), a fixing rod (42) is fixedly connected in the fourth sliding grooves (40), the fixing rod (42) penetrates through the sliding blocks (41) and is in sliding connection with the sliding blocks (41), a reset spring (43) is fixedly connected to the top of the sliding blocks (41), and the reset spring (43) is arranged on the outer side of the fixing rod (42), the sealing plate (39) is close to a clamping block (44) fixedly connected to the bottom of one side of the ice making tank (4), a clamping groove (45) is formed in the outer side of the ice making tank (4) close to one side of the moving piece (5), the clamping groove (45) is formed in the top of the air inlet (11), and the clamping block (44) is arranged in the clamping groove (45) and movably sleeved with the ice making tank (4).

10. An LNG cold energy recovery ice making method comprises the following steps:

s1: installing an air outlet pipe (3), wherein a user movably sleeves a T-shaped block (8) on one side of a moving part (5) and a limiting groove (10) and places the moving part (5) on one side of an ice making tank (4) through sliding connection between the moving part and a second sliding groove (9), then the user drives a first threaded rod (17) to rotate through a servo motor (18), the air outlet pipe (3) is driven to move towards the inside of an air inlet (11) through threaded connection between the first threaded rod (17) and the limiting plate (7), at the moment, the air outlet pipe (3) is movably sleeved with a built-in groove at one end of the air outlet pipe (3) through an L-shaped ring plate, so that the air outlet pipe (3) and the air inlet (11) are overlapped, at the moment, the air outlet pipe (3) is continuously moved towards the inside of the air inlet (11), and an isolation elastic spring sheet (13) is pressed, so that the elastic ball (14) is elastically deformed, and a gap between the air outlet pipe (3) and the air inlet (11) is blocked, the phenomenon of gas leakage in the gas conveying process is avoided;

s2: ice making, wherein after the air outlet pipe (3) and the ice making tank (4) are installed, a user conveys external liquefied natural gas into the gasification tank (1) through the liquid inlet pipe (2) to convert the liquefied natural gas into a gaseous state, then the user opens the switch valve (16) to make the gaseous natural gas enter the ice making tank (4), and at the moment, the water source in the ice making tank (4) is cooled and made ice through cold energy released by LNG;

s3: change ice making jar (4), when the inside water source of ice making jar (4) becomes the ice-cube completely, the inside temperature of ice making jar (4) drops to the freezing point of water source, thereby make temperature sensor (36) detect the inside temperature of ice making jar (4), thereby transmit the signal to programmable logic controller (37) inside through the AD converter and carry out the analysis, then programmable logic controller (37) control siren (38) through the D/A converter simultaneously and report to the police and direct current motor (27) start, when siren (38) report to the police, the user closes ooff valve (16) in outlet duct (3) outside, then the user drives first threaded rod (17) through servo motor (18) and rotates, thereby drive outlet duct (3) one end through limiting plate (7) and break away from air inlet (11), direct current motor (27) start makes dwang (25) rotate simultaneously, thereby driving the first bevel gear (24) and the second bevel gear (26) to be meshed and connected, further driving the second threaded rod (23) to rotate, driving the movable plate (19) to move upwards through threaded connection between the second threaded rod (23) and the movable plate (19), further driving the fixed block (21) to move upwards, further driving the T-shaped block (8) to move upwards, further driving the movable piece (5) to move upwards, and then taking out the movable piece (5) through movable sleeving between the T-shaped block (8) and the limiting groove (10);

s4: the ice making tank (4) is moved, the third threaded rod (31) is driven to rotate through meshing connection between the second bevel gear (26) and the third bevel gear (32) while the moving piece (5) is taken out, the moving plate (29) is driven to move downwards through threaded connection between the third threaded rod (31) and the moving plate (29), so that the roller (33) is in contact with the ground, the ice making tank (4) is moved through the roller (33), and meanwhile the direction of the ice making tank (4) is changed through rotating connection between the rotating sleeve (34) and the moving plate (29).

Technical Field

The invention relates to the technical field of LNG cold energy ice making, in particular to an LNG cold energy recovery ice making system and method.

Background

The LNG cold energy ice making is to gasify liquefied natural gas through heat conversion to generate a large amount of cold energy, so that a water source is frozen to make ice.

In the existing LNG cold energy ice making process, the operations of gasification and ice making are carried out in two steps, firstly, liquefied natural gas is gasified, and ice making is carried out on a water source after the gasification, so that the gasified cold energy can be dissipated in the transportation process, and serious resource waste is caused.

Disclosure of Invention

Therefore, the LNG cold energy recovery ice making system and the method thereof can effectively seal the air outlet pipe and the air inlet through the movable sleeving between the L-shaped ring block and the built-in groove and the arrangement of the elastic ball, so that the leakage of gas is avoided, and meanwhile, the installation and the disassembly between the ice making tank and the air outlet pipe can be effectively and simply carried out through the arrangement of the sealing mechanism, so that the problem that the gasification cold energy is easily emitted and the resource is wasted due to the fact that most of the existing LNG cold energy ice making process is carried out through two steps of operation is solved.

In order to achieve the above purpose, the invention provides the following technical scheme: an LNG cold energy recovery ice making system and method comprises a gasification tank, wherein a liquid inlet pipe and an air outlet pipe are fixedly connected to two sides of the gasification tank respectively, and a sealing mechanism is arranged at one end of the air outlet pipe;

the sealing mechanism comprises an ice making tank, a movable part is arranged at one end of the air outlet pipe, which is far away from the gasification tank, a first sliding groove is formed at one side of the movable part, which is far away from the gasification tank, a limiting plate is fixedly connected to the outer side of one end of the air outlet pipe, which is far away from the gasification tank, the limiting plate is arranged in the first sliding groove and is in sliding connection with the movable part, T-shaped blocks are fixedly connected to the two ends of one side of the movable part, which is far away from the gasification tank, second sliding grooves are formed at the two ends of one side of the ice making tank, which is close to the gasification tank, the T-shaped blocks are arranged in the second sliding grooves and are in sliding connection with the ice making tank, limiting grooves are formed at the two ends of one side of the ice making tank, the T-shaped blocks are arranged in the limiting grooves and are in movable sleeve connection with the ice making tank, the installation and the disassembly of the movable part are facilitated through the arrangement of the limiting grooves, and an air inlet is formed at one side of the ice making tank, the utility model discloses a gas leakage prevention device, including air inlet, air outlet, air inlet inner chamber, air outlet, built-in groove, air inlet inner chamber, L shape ring piece, and elastic ball sets up the characteristic that elastic ball becomes, can be effectual seal between air outlet and the air inlet to avoid gaseous leakage.

Preferably, outlet duct one side is equipped with the back flow, the back flow both ends respectively with outlet duct and gasifier fixed connection and communicate with each other, the outlet duct outside is equipped with the gas barrier subassembly, the gas barrier subassembly includes the ooff valve, the ooff valve locate respectively the feed liquor pipe and the outlet duct outside and with feed liquor pipe and outlet duct fixed connection, back flow and moving part middle part are located to outlet duct outside ooff valve, can effectually cut off the flow of gas through the setting of ooff valve, and the while can effectually make gas separate the back through the setting of back flow and flow back inside the gasifier.

Preferably, the inside control assembly that is equipped with of moving part, control assembly includes first threaded rod, first threaded rod is located inside one side of first sliding tray and is rotated with the moving part and be connected, first threaded rod run through limiting plate outside one end and with limiting plate threaded connection, moving part one side fixedly connected with servo motor, first threaded rod one end and servo motor output fixed connection, through the effectual removal that drives the outlet duct of threaded connection between first threaded rod and the limiting plate to opening and shutting between control outlet duct and the air inlet.

Preferably, the system ice jar outside is equipped with the removal subassembly, the removal subassembly includes the fly leaf, the system ice jar outside is close to moving part one side and has seted up inside groove, the fly leaf is located inside the groove and cup joints with system ice jar activity, the equal fixedly connected with movable rod in fly leaf top both sides, the movable rod runs through system ice jar and extends to the second sliding tray inside, movable rod top fixedly connected with fixed block, the fixed block top is laminated with T-shaped piece bottom, through the lift that sliding connection between fly leaf and the inside groove can effectual drive fixed block to the lift of drive moving part.

Preferably, the ice making tank outside is close to moving part one side bottom and has been seted up and has been rotated the groove, it locates inside tank bottom and communicates with inside groove mutually to rotate the groove, it is connected with the second threaded rod to rotate the inslot portion through the bearing rotation, the second threaded rod run through the fly leaf and with fly leaf threaded connection, the first bevel gear of second threaded rod bottom fixedly connected with, the ice making tank outside is opened and is equipped with and runs through the groove, it is connected with the dwang to run through the inslot portion through the bearing rotation, the equal fixedly connected with second bevel gear in dwang outside both ends, second bevel gear is connected with first bevel gear meshing, ice making tank outside bottom fixedly connected with direct current motor, direct current motor output and dwang one end fixed connection, through the effectual lift that drives the fly leaf of threaded connection energy between second threaded rod and the fly leaf.

Preferably, the equal fixedly connected with support piece in ice-making tank bottom both sides, the support piece bottom is equipped with lifting unit, lifting unit includes the movable plate, the third sliding tray has been seted up to the support piece inboard, the movable plate both sides all are located inside the third sliding tray and with support piece sliding connection, the third sliding tray is inside to rotate through the bearing and is connected with the third threaded rod, the third threaded rod run through the movable plate and with movable plate threaded connection, third threaded rod top fixedly connected with third bevel gear, third bevel gear is connected with second bevel gear meshing, can effectually drive the lift of movable plate through the threaded connection between third threaded rod and the movable plate to contact between control gyro wheel and the ground.

Preferably, the movable plate bottom is equipped with movable assembly, movable assembly includes the gyro wheel, the movable plate bottom is rotated through the bearing and is connected with the rotation cover, rotate a plurality of fixed axles of cover inner chamber fixedly connected with, a plurality of fixed axles are even array distribution, the gyro wheel is located the fixed axle outside and is cup jointed with the fixed axle activity, the equal fixedly connected with stopper in fixed axle outside both ends, two stopper middle parts are located to the gyro wheel, through setting up the removal that conveniently makes the ice jar of gyro wheel, use simultaneously to rotate between cover and the movable plate and be connected, can effectual control system ice jar the direction of rotation.

Preferably, the bottom of the inner cavity of the ice making tank is fixedly connected with a temperature sensor, one side of the ice making tank is fixedly connected with a programmable PLC (programmable logic controller), the middle part of the outer side of the ice making tank is fixedly connected with an alarm, the temperature sensor is electrically connected with the programmable PLC through an A/D (analog/digital) converter, the programmable PLC is electrically connected with the alarm and a direct current motor through a D/A (digital/analog) converter respectively, the temperature sensor is a sensor which can sense temperature and convert the temperature into an available output signal, and the temperature sensor is a core part of a temperature measuring instrument and is various. Can divide into contact and non-contact two main types according to the measuring method, divide into thermal resistance and thermocouple two types according to sensor material and electronic component characteristic, temperature sensor's model sets up to GX18B20U, and the response to the ice-making jar inside temperature through temperature sensor to control siren and direct current motor and carry out work, and then make the gyro wheel of ice-making jar bottom dismantle between outlet duct and the ice-making jar at the in-process that lands.

Preferably, a return pipe is arranged on one side of the outlet pipe, two ends of the return pipe are respectively fixedly connected and communicated with the outlet pipe and the gasification tank, a gas-isolating component is arranged on the outer side of the outlet pipe and comprises a sealing plate, a fourth sliding groove is formed in each of two ends of the movable member close to one side of the ice making tank, a sliding block is fixedly connected to each of two ends of one side of the sealing plate and is arranged in the fourth sliding groove and is slidably connected with the ice making tank, a fixed rod is fixedly connected to the inner part of the fourth sliding groove and penetrates through the sliding block and is slidably connected with the sliding block, a reset spring is fixedly connected to the top of the sliding block and is arranged on the outer side of the fixed rod, a clamping block is fixedly connected to the bottom of one side of the sealing plate close to the ice making tank, a clamping groove is formed in one side of the outer side of the ice making tank close to the movable member and is arranged on the top of the air inlet, the fixture block is arranged in the clamping groove and movably sleeved with the ice making tank.

An LNG cold energy recovery ice making method comprises the following steps:

s1: the installation outlet duct, the user cup joints through the activity between the T-shaped piece of moving part one side and the spacing groove, and place the moving part in ice making tank one side with sliding connection between the second sliding tray, then the user drives first threaded rod through servo motor and rotates, threaded connection through between first threaded rod and the limiting plate drives the outlet duct and to the inside removal of air inlet, the activity of passing through between the built-in groove of L shape crown plate and outlet duct one end this moment cup joints, make coincidence between outlet duct and the air inlet, continuously make the outlet duct to the inside removal of air inlet this moment, and oppress and keep apart the shell fragment, make elastic deformation take place for the elastic ball, thereby block up the gap between outlet duct and the air inlet, the phenomenon of avoiding gas transport in-process gas leakage takes place.

S2: the system ice, after the installation is accomplished between outlet duct and the ice making jar, inside the user carried the liquefied natural gas of outside to the gasification jar through the feed liquor pipe for liquefied natural gas turns into the gaseous state, then the user opens the ooff valve, makes the gaseous state natural gas get into the ice making jar, and the cold energy through the LNG release at this moment is cooled down and is iced the water source of ice making jar inside.

S3: when the water source in the ice making tank is completely changed into ice blocks, the temperature in the ice making tank is reduced to the freezing point of the water source, so that the temperature sensor detects the temperature in the ice making tank, signals are transmitted to the programmable PLC through the A/D converter to be analyzed, then the programmable PLC controls the alarm to alarm and the direct current motor to start simultaneously through the D/A converter, when the alarm alarms, a user closes the switch valve outside the air outlet pipe, then the user drives the first threaded rod to rotate through the servo motor, so that one end of the air outlet pipe is driven to be separated from the air inlet through the limiting plate, meanwhile, the direct current motor is started to enable the rotating rod to rotate, so that the first bevel gear and the second bevel gear are driven to be meshed and connected, the second threaded rod is driven to rotate, and the movable plate is driven to move upwards through the threaded connection between the second threaded rod and the movable plate, thereby make the fixed block rebound, and then drive T-shaped piece rebound, and then drive the moving part rebound, then cup joint through the activity between T-shaped piece and the spacing groove and take out the moving part.

S4: the ice making tank is moved, the moving part is connected with the third threaded rod through meshing between the second bevel gear and the third bevel gear to drive the third threaded rod to rotate when being taken out, the moving plate is driven to move downwards through threaded connection between the third threaded rod and the moving plate, so that the roller is contacted with the ground, then the ice making tank is moved through the roller, and meanwhile, the direction of the ice making tank is changed through rotating connection between the rotating sleeve and the moving plate.

The invention has the beneficial effects that:

1. according to the invention, through the movable sleeve joint between the L-shaped ring block and the built-in groove, the arrangement of the elastic ball and the characteristic that the elastic ball has an elastic box transformer, the air outlet pipe and the air inlet can be effectively sealed, so that the leakage of gas is avoided, and meanwhile, through the arrangement of the sealing mechanism, the installation and the disassembly between the ice making tank and the air outlet pipe can be effectively and simply carried out, so that the problem that most of the existing LNG cold energy ice making process is carried out through two steps of operation, gasified cold energy is easily emitted, and thus resources are wasted is solved.

2. According to the invention, the second threaded rod can be effectively driven to rotate through the meshing connection between the first bevel gear and the second bevel gear, so that the movable part is driven to lift, the movable part is convenient to disassemble, the second bevel gear and the third bevel gear are meshed and connected while the movable part is disassembled, so that the third threaded rod is driven to rotate, the movable plate can be effectively driven to move downwards through the threaded connection between the third threaded rod and the movable plate, so that the roller at the bottom of the movable plate is in contact with the ground, and therefore, the ice making tank can is convenient to move and replace.

2. According to the invention, the temperature sensor senses the temperature in the ice making tank, so that the alarm and the direct current motor are controlled to work, and the air outlet pipe and the ice making tank are detached in the process of landing the roller at the bottom of the ice making tank.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a sectional view of the top structure of the outlet pipe provided by the present invention;

FIG. 3 is a sectional view showing a front structure of an ice making tank according to the present invention;

FIG. 4 is a schematic view of a movable plate structure provided in the present invention;

FIG. 5 is a sectional view of the structure of the moving plate according to the present invention;

FIG. 6 is a schematic view of an ice making tank according to the present invention;

FIG. 7 is a schematic diagram of a system provided by the present invention;

FIG. 8 is a schematic structural diagram of embodiment 2 of the present invention;

FIG. 9 is an enlarged view of the portion A of FIG. 8 according to the present invention;

in the figure: 1 gasification tank, 2 liquid inlet pipe, 3 gas outlet pipe, 4 ice making tank, 5 moving part, 6 first sliding groove, 7 limit plate, 8T-shaped block, 9 second sliding groove, 10 limit groove, 11 gas inlet, 12L-shaped ring block, 13 isolation elastic sheet, 14 elastic ball, 15 return pipe, 16 switch valve, 17 first threaded rod, 18 servo motor, 19 movable plate, 20 movable rod, 21 fixed block, 22 internal groove, 23 second threaded rod, 24 first bevel gear, 25 rotating rod, 26 second bevel gear, 27 DC motor, 28 support piece, 29 movable plate, 30 third sliding groove, 31 third threaded rod, 32 third bevel gear, 33 roller, 34 rotating sleeve, 35 fixed shaft, 36 temperature sensor, 37 programmable PLC, 38 alarm, 39 sealing plate, 40 fourth sliding groove, 41 sliding block, 42 fixed rod, 43 reset spring, 44 clamping block, 45 clamping groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example 1:

referring to the attached drawings 1-7, the LNG cold energy recovery ice making system and the method provided by the invention comprise a gasification tank 1, wherein a liquid inlet pipe 2 and an air outlet pipe 3 are respectively and fixedly connected to two sides of the gasification tank 1, and one end of the air outlet pipe 3 is provided with a sealing mechanism;

the sealing mechanism comprises an ice making tank 4, a movable part 5 is arranged at one end of the air outlet pipe 3 far away from the gasification tank 1, a first sliding groove 6 is formed in one side of the movable part 5 far away from the gasification tank 1, a limiting plate 7 is fixedly connected to the outer side of one end of the air outlet pipe 3 far away from the gasification tank 1, the limiting plate 7 is arranged in the first sliding groove 6 and is in sliding connection with the movable part 5, T-shaped blocks 8 are fixedly connected to both ends of one side of the movable part 5 far away from the gasification tank 1, second sliding grooves 9 are formed in both ends of one side of the ice making tank 4 close to the gasification tank 1, the T-shaped blocks 8 are arranged in the second sliding grooves 9 and are in sliding connection with the ice making tank 4, limiting grooves 10 are formed in both ends of one side of the ice making tank 4 close to the movable part 5, the limiting grooves 10 are arranged at one end of the second sliding grooves 9, the T-shaped blocks 8 are arranged in the limiting grooves 10 and are movably sleeved with the ice making tank 4, the user installs the movable part 5 by the movable sleeve joint between the T-shaped block 8 and the limiting groove 10 on one side of the movable part 5 and the sliding connection between the T-shaped block and the second sliding groove 9, the ice making tank 4 is provided with an air inlet 11 on one side, one end of the air outlet pipe 3 close to the ice making tank 4 is arranged in the air inlet 11 and movably sleeved with the ice making tank 4, the edge of one end of the air outlet pipe 3 close to the ice making tank 4 is provided with a built-in groove, the outer wall of the inner cavity of the air inlet 11 is fixedly connected with an L-shaped ring block 12, the L-shaped ring block 12 is arranged in the built-in groove and movably sleeved with the air outlet pipe 3, the joint of the L-shaped ring block 12 and the inner wall of the air inlet 11 and the inside of the built-in groove are movably sleeved with isolating elastic pieces 13, the bottom of the isolating elastic pieces 13 is provided with a plurality of elastic balls 14 which are distributed in a circumferential array and movably sleeved between the L-shaped ring plate and the built-in groove at one end of the air outlet pipe 3, the air outlet pipe 3 and the air inlet 11 are overlapped, and the isolating elastic sheet 13 is pressed, so that the elastic ball 14 is elastically deformed, and a gap between the air outlet pipe 3 and the air inlet 11 is blocked;

furthermore, a return pipe 15 is arranged on one side of the air outlet pipe 3, two ends of the return pipe 15 are respectively fixedly connected and communicated with the air outlet pipe 3 and the gasification tank 1, an air isolating assembly is arranged on the outer side of the air outlet pipe 3, the air isolating assembly comprises a switch valve 16, the switch valve 16 is respectively arranged on the outer sides of the liquid inlet pipe 2 and the air outlet pipe 3 and is fixedly connected with the liquid inlet pipe 2 and the air outlet pipe 3, and the switch valve 16 on the outer side of the air outlet pipe 3 is arranged in the middle of the return pipe 15 and the movable part 5;

further, a control assembly is arranged inside the moving member 5 and comprises a first threaded rod 17, the first threaded rod 17 is arranged on one side inside the first sliding groove 6 and is rotatably connected with the moving member 5, the first threaded rod 17 penetrates through one end of the outer side of the limiting plate 7 and is in threaded connection with the limiting plate 7, a servo motor 18 is fixedly connected to one side of the moving member 5, one end of the first threaded rod 17 is fixedly connected with the output end of the servo motor 18, the limiting plate 7 is driven to move through the threaded connection between the first threaded rod 17 and the limiting plate 7, and therefore the air outlet pipe 3 and the air inlet 11 are driven to open and close;

further, a moving assembly is arranged on the outer side of the ice making tank 4, the moving assembly comprises a movable plate 19, an inner groove 22 is formed in one side, close to the movable member 5, of the outer side of the ice making tank 4, the movable plate 19 is arranged inside the inner groove 22 and movably sleeved with the ice making tank 4, movable rods 20 are fixedly connected to two sides of the top of the movable plate 19, the movable rods 20 penetrate through the ice making tank 4 and extend into the second sliding groove 9, a fixed block 21 is fixedly connected to the top of the movable rods 20, the top of the fixed block 21 is attached to the bottom of the T-shaped block 8, and the movable rods 20 and the fixed block 21 are driven to lift through sliding connection between the movable plate 19 and the inner groove 22, so that the movable member 5 is driven to lift;

furthermore, a rotating groove is formed in the bottom of one side, close to the moving part 5, of the outer side of the ice making tank 4, the rotating groove is formed in the bottom of the inner groove 22 and communicated with the inner groove 22, a second threaded rod 23 is rotatably connected to the inner portion of the rotating groove through a bearing, the second threaded rod 23 penetrates through the movable plate 19 and is in threaded connection with the movable plate 19, a first bevel gear 24 is fixedly connected to the bottom of the second threaded rod 23, a penetrating groove is formed in the outer side of the ice making tank 4, a rotating rod 25 is rotatably connected to the inner portion of the penetrating groove through a bearing, second bevel gears 26 are fixedly connected to both ends of the outer side of the rotating rod 25, the second bevel gears 26 are in meshed connection with the first bevel gears 24, a direct current motor 27 is fixedly connected to the bottom of the outer side of the ice making tank 4, the output end of the direct current motor 27 is fixedly connected with one end of the rotating rod 25, and the rotating rod 25 is driven to rotate through the direct current motor 27, thereby driving the meshing connection between the first bevel gear 24 and the second bevel gear 26, further driving the second threaded rod 23 to rotate, and driving the movable plate 19 to lift through the threaded connection between the second threaded rod 23 and the movable plate 19;

furthermore, both sides of the bottom of the ice making tank 4 are fixedly connected with supporting pieces 28, the bottom of the supporting pieces 28 is provided with a lifting assembly, the lifting assembly comprises a moving plate 29, a third sliding groove 30 is arranged on the inner side of the supporting piece 28, the two sides of the moving plate 29 are arranged in the third sliding groove 30 and are connected with the supporting piece 28 in a sliding way, a third threaded rod 31 is rotatably connected inside the third sliding groove 30 through a bearing, the third threaded rod 31 penetrates through the moving plate 29 and is in threaded connection with the moving plate 29, the top of the third threaded rod 31 is fixedly connected with a third bevel gear 32, the third bevel gear 32 is meshed with the second bevel gear 26, the third threaded rod 31 is driven to rotate through the meshed connection between the third bevel gear 32 and the second bevel gear 26, thereby driving the moving plate 29 to lift and further controlling the contact between the roller 33 and the ground;

further, a movable assembly is arranged at the bottom of the movable plate 29, the movable assembly comprises a roller 33, the bottom of the movable plate 29 is rotatably connected with a rotating sleeve 34 through a bearing, a plurality of fixed shafts 35 are fixedly connected to the inner cavity of the rotating sleeve 34, the fixed shafts 35 are uniformly distributed in an array, the roller 33 is arranged on the outer side of each fixed shaft 35 and movably sleeved with the corresponding fixed shaft 35, two limiting blocks are fixedly connected to two ends of the outer side of each fixed shaft 35, and the roller 33 is arranged in the middle of the two limiting blocks;

further, the bottom of the inner cavity of the ice making tank 4 is fixedly connected with a temperature sensor 36, one side of the ice making tank 4 is fixedly connected with a programmable PLC37, the middle part of the outer side of the ice making tank 4 is fixedly connected with an alarm 38, the temperature sensor 36 is electrically connected with a programmable PLC37 through an a/D converter, and the programmable PLC37 is electrically connected with the alarm 38 and the direct current motor 27 through a D/a converter respectively;

an LNG cold energy recovery ice making method comprises the following steps:

s1: installation outlet duct 3, the user cup joints through the activity between the T-shaped piece 8 of moving part 5 one side and the spacing groove 10, and place moving part 5 in ice making tank 4 one side with sliding connection between second sliding tray 9, then the user drives first threaded rod 17 through servo motor 18 and rotates, threaded connection through between first threaded rod 17 and the limiting plate 7 drives outlet duct 3 to 11 inside removals of air inlet, cup joint through the activity between the built-in groove of L shape crown plate and 3 one end of outlet duct this moment, make coincide mutually between outlet duct 3 and the air inlet 11, last make outlet duct 3 to 11 inside removals of air inlet this moment, and oppress isolation shell fragment 13, make elastic ball 14 take place elastic deformation, thereby block up the gap between outlet duct 3 and the air inlet 11, avoid the phenomenon of gaseous leakage among the gas transportation process to take place.

S2: ice making, after the installation is accomplished between outlet duct 3 and the ice making tank 4, the user passes through feed liquor pipe 2 and carries outside liquefied natural gas to 1 inside the vaporizer for liquefied natural gas turns into the gaseous state, then the user opens ooff valve 16, makes gaseous natural gas get into ice making tank 4, and the cold energy through the LNG release at this moment is cooled down and is iced the water source of 4 inside ice making tanks.

S3: the ice making tank 4 is replaced, when the water source in the ice making tank 4 is completely changed into ice blocks, the temperature in the ice making tank 4 is reduced to the freezing point of the water source, so that the temperature sensor 36 detects the temperature in the ice making tank 4, and then the signal is transmitted to the programmable PLC37 through the A/D converter for analysis, then the programmable PLC37 controls the alarm 38 to alarm and the direct current motor 27 to start through the D/A converter, when the alarm 38 alarms, the user closes the switch valve 16 outside the air outlet pipe 3, then the user drives the first threaded rod 17 to rotate through the servo motor 18, so that one end of the air outlet pipe 3 is driven to be separated from the air inlet 11 through the limiting plate 7, and the direct current motor 27 starts to enable the rotating rod 25 to rotate, so that the first bevel gear 24 and the second bevel gear 26 are driven to be meshed and connected, and the second threaded rod 23 is driven to rotate, the movable plate 19 is driven to move upwards through the threaded connection between the second threaded rod 23 and the movable plate 19, so that the fixed block 21 moves upwards, the T-shaped block 8 is driven to move upwards, the movable member 5 is driven to move upwards, and then the movable member 5 is taken out through the movable sleeve joint between the T-shaped block 8 and the limiting groove 10.

S4: when the ice making tank 4 is moved, the movable piece 5 is taken out, the third threaded rod 31 is driven to rotate through the meshing connection between the second bevel gear 26 and the third bevel gear 32, the movable plate 29 is driven to move downwards through the threaded connection between the third threaded rod 31 and the movable plate 29, so that the roller 33 is in contact with the ground, then the ice making tank 4 is moved through the roller 33, and meanwhile, the direction of the ice making tank 4 is changed through the rotating connection between the rotating sleeve 34 and the movable plate 29.

Example 2:

referring to fig. 8-9, the LNG cold energy recovery ice making system and method provided by the present invention are different from embodiment 1 in that a return pipe 15 is disposed on one side of an air outlet pipe 3, two ends of the return pipe 15 are respectively and fixedly connected to and communicated with the air outlet pipe 3 and a gasification tank 1, an air-blocking assembly is disposed on an outer side of the air outlet pipe 3, the air-blocking assembly includes a sealing plate 39, a fourth sliding groove 40 is disposed on two ends of a movable member 5 near an ice making tank 4, two ends of one side of the sealing plate 39 are both fixedly connected to sliding blocks 41, the sliding blocks 41 are disposed inside the fourth sliding groove 40 and slidably connected to the ice making tank 4, a fixing rod 42 is fixedly connected inside the fourth sliding groove 40, the sliding block 42 penetrates through the sliding block 41 and slidably connected to the sliding block 41, a return spring 43 is fixedly connected to a top of the sliding block 41, the return spring 43 is disposed on an outer side of the fixing rod 42, the bottom of one side of the sealing plate 39 close to the ice making tank 4 is fixedly connected with a clamping block 44, one side of the outer side of the ice making tank 4 close to the movable piece 5 is provided with a clamping groove 45, the clamping groove 45 is arranged at the top of the air inlet 11, and the clamping block 44 is arranged in the clamping groove 45 and movably sleeved with the ice making tank 4.

The using process is as follows: when the ice making device is used, a user places the moving piece 5 on one side of the ice making tank 4 through the movable sleeve between the T-shaped block 8 on one side of the moving piece and the limiting groove 10 and the sliding connection between the T-shaped block 8 and the second sliding groove 9, at the moment, the user places the clamping block 44 on one side of the sealing plate 39 inside the clamping groove 45, when the moving piece 5 slides downwards, the sealing plate 39 is separated from the notch of the first sliding groove 6 due to the movable sleeve between the clamping block 44 and the clamping groove 45 and stays at the top of the sliding piece, the moving piece 5 cannot be changed in position due to the movable sleeve between the air outlet pipe 3 and the air inlet 11, when the moving piece 5 needs to be detached, the elastic force provided by the reset spring 43 and the fixing block 21 drive the moving piece 5 to move upwards, so that the sealing plate 39 is restored to the original position and the pipe orifice of the air outlet pipe 3 is sealed, thereby avoid gaseous leakage, through the setting of closing plate 39, for the setting through ooff valve 16 in embodiment 1 prevents gaseous flow, closing plate 39 is located 3 ports of outlet duct for sealed effect is better, avoids ooff valve 16 to volatilize to the air to 3 port parts of outlet duct leave over in, thereby causes extravagant phenomenon.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.