CN114321699A - Low-temperature ultra-large liquefied natural gas storage tank - Google Patents

Low-temperature ultra-large liquefied natural gas storage tank Download PDF

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Publication number
CN114321699A
CN114321699A CN202111663356.XA CN202111663356A CN114321699A CN 114321699 A CN114321699 A CN 114321699A CN 202111663356 A CN202111663356 A CN 202111663356A CN 114321699 A CN114321699 A CN 114321699A
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water
pipe
install
filter screen
natural gas
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CN202111663356.XA
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Chinese (zh)
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张季
王志鑫
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Individual
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Individual
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Abstract

The invention relates to the technical field of natural gas storage tanks, in particular to a low-temperature ultra-large liquefied natural gas storage tank which comprises a tank body fixed on the upper side of a base, wherein a reservoir is formed in the top wall of the base, a support is installed in the reservoir, the tank body is fixed at the top end of the support, a fixed column and a sunshade are installed on the base, a spray pipe is installed at the bottom end of the sunshade in a sliding mode, a bidirectional screw rod is installed on the bottom wall of the sunshade in a rotating mode, a movable block is fixedly installed on the top wall of the spray pipe, the movable block is sleeved on the bidirectional screw rod and in threaded engagement with the movable block, and a driving motor for driving the bidirectional screw rod to rotate is installed at the bottom end of the sunshade. According to the invention, the tank body can be automatically sprayed with water for cooling when the external environment temperature is too high, and the tank body can be automatically stopped from spraying water for cooling after the external environment temperature is reduced, so that manual operation is not needed, the operation is convenient, the manpower occupation is small, and the convenience in use of the low-temperature ultra-large liquefied natural gas storage tank is improved.

Description

Low-temperature ultra-large liquefied natural gas storage tank
Technical Field
The invention relates to the technical field of natural gas storage tanks, in particular to a low-temperature ultra-large liquefied natural gas storage tank.
Background
Along with the increasing seriousness of energy and environmental problems in the world at present, the application of clean energy is more and more valued by people, natural gas belongs to nontoxic, tasteless, colorless and noncorrosive energy, so by virtue of the advantages, the natural gas is popular in all over the world, because the storage tank of the liquefied natural gas is huge and is usually arranged outdoors, the natural gas in the liquefied natural gas storage tank usually has a certain evaporation phenomenon, when the temperature outside the storage tank rises, the evaporation capacity is greatly increased, further, the pressure inside the storage tank is increased, and thus, the danger coefficient is increased sharply, and potential safety hazards exist.
Through the retrieval, chinese patent No. CN212510501U discloses a water recovery liquefied natural gas storage tank, including a jar body and a base, be provided with on the base and be used for placing the support of the jar body, be provided with the sunshade on the base, the length direction of sunshade with the length direction of the jar body is unanimous, the sunshade bottom slides and is provided with the shower, be provided with a plurality of nozzles on the shower, the nozzle orientation jar body setting, be provided with on the sunshade and be used for the drive the shower is followed the drive assembly that the length direction of sunshade slided, be provided with in the base and be used for the water supply spare that the shower supplied water.
Although the water recovery liquefied natural gas storage tank has the advantage of continuously cooling the liquefied natural gas storage tank, the following disadvantages still exist:
1. when the external environment temperature is too high, the water pump and the servo motor are required to be manually started to drive the spray pipe and the nozzle to move and spray water to cool the tank body, and the water pump and the servo motor are required to be manually turned off after the external environment temperature is reduced, so that the manpower occupation is large and the operation is troublesome;
2. more impurity can be mixed to the aquatic of wasing the jar body, will lead to behind the impurity jam filter screen can't carrying out recycle to water, consequently needs artifical regularly to clear up the filter screen and clear away the impurity after the clearance, and it is troublesome to use.
Therefore, a low-temperature ultra-large liquefied natural gas storage tank is provided.
Disclosure of Invention
The invention aims to provide a low-temperature ultra-large liquefied natural gas storage tank, which can solve the problems in the background art by means of automatically spraying water to cool a tank body when the external environment temperature is too high and automatically stopping spraying water to cool the tank body after the external environment temperature is lowered.
In order to achieve the purpose, the invention provides the following technical scheme:
a low-temperature ultra-large liquefied natural gas storage tank comprises a tank body fixed on the upper side of a base, wherein a reservoir is arranged on the top wall of the base, a support is installed in the reservoir, the tank body is fixed at the top end of the support, a fixed column and a sunshade are installed on the base, a spray pipe is slidably installed at the bottom end of the sunshade, a plurality of nozzles are uniformly installed at the bottom end of the spray pipe, a bidirectional screw rod is rotatably installed on the bottom wall of the sunshade, a movable block is fixedly installed on the top wall of the spray pipe, the movable block is sleeved on the bidirectional screw rod, the bidirectional screw rod is in threaded engagement with the movable block, a driving motor for driving the bidirectional screw rod to rotate is installed at the bottom end of the sunshade, a plurality of guide blocks are installed on the top wall of the spray pipe, a plurality of guide rods penetrating through the guide blocks are installed on the bottom wall of the sunshade, and a water pump is connected on the spray pipe, the sunshade is provided with a control component for controlling the opening and closing of the driving motor and the water pump, the control component controls the driving motor and the water pump to start after the ambient temperature rises, the control component controls the driving motor and the water pump to close after the ambient temperature is reduced, the top end of the base is provided with an installation box, the installation box is connected with a water pumping pipe and a connecting pipe, the bottom end of the water pumping pipe extends into the water storage tank, the connecting pipe is connected with the spray pipe, the inner side wall of the middle end of the installation box is provided with an annular installation frame and a metal filter screen, the water pumping pipe and the connecting pipe are respectively positioned at the lower side and the upper side of the metal filter screen, a cleaning component which is mutually matched with the metal filter screen is arranged in the installation box, the metal filter screen is connected with a trigger component, the metal filter screen is cleaned by the cleaning component started after being blocked, the top end of the water storage tank is provided with a water replenishing pipe, be connected with control assembly on the moisturizing pipe, control assembly control moisturizing pipe is added water to the cistern when the water level line is located minimum water level line in the cistern, and control assembly control moisturizing pipe stops to add water when the water level line is located the highest water level line in the cistern.
The control assembly controls the driving motor and the water pump to start after the ambient temperature rises, the driving motor can drive the bidirectional screw rod to rotate, the bidirectional screw rod and the movable block are meshed with each other in a threaded manner, so that the movable block, the spray pipe and the nozzle can be driven to reciprocate at the top end of the tank body by the rotation of the bidirectional screw rod, the water pump is started to supply water to the nozzle when the nozzle reciprocates at the top end of the tank body, the water can be sprayed to cool the tank body, the control assembly controls the driving motor and the water pump to be closed after the ambient temperature is reduced, the tank body can be stopped from being cooled, the water can be sprayed to cool the tank body automatically when the ambient temperature is too high, the water can be sprayed to cool the tank body automatically after the ambient temperature is reduced, manual operation is not needed, the operation is convenient, the manpower occupation is small, and the convenience in use of the low-temperature ultra-large liquefied natural gas storage tank is improved; the pump body is started, cooling water in the water storage tank is pumped into the installation box through the water pumping pipe, the cooling water in the installation box is filtered by the metal filter screen and then flows to the nozzle through the connecting pipe and the spraying pipe, the metal filter screen is triggered to start the cleaning assembly to clean the metal filter screen after being blocked, the metal filter screen can be automatically cleaned, the metal filter screen does not need to be cleaned manually at regular intervals, and the operation is convenient, so that the use convenience of the low-temperature ultra-large liquefied natural gas storage tank is further improved; the water level line is in controlling the subassembly control moisturizing pipe and adding water to the cistern when minimum water level line in the cistern, thereby be convenient for replenish evaporation loss's moisture, control subassembly control moisturizing pipe stops adding water when the water level line is in the maximum water level line in the cistern, thereby water overflows the cistern and leads to the water waste when preventing the moisturizing, both can avoid the waste of water resource, can guarantee again that the cooling hydroenergy in the cistern lasts supply nozzle blowout cooling water, thereby the result of use of low temperature super large-scale liquefied natural gas storage tank has been promoted.
Preferably, the control assembly includes a plurality of installation pipes of evenly installing on the sunshade diapire, every all be equipped with the installation cavity in the installation pipe, every all be equipped with the piston in the installation cavity, every all be connected with metal memory alloy silk between the diapire of piston and installation cavity inboard, every all be equipped with the heat conduction liquid of mutually supporting with metal memory alloy silk in the installation cavity, every all install on the roof of installation cavity inboard with driving motor and water pump electric connection's elasticity control button.
The temperature of the heat conducting liquid rises when the external environment temperature is too high, the metal memory alloy wire stretches out and pushes the piston to move upwards after being heated, the elastic control button is pressed and the driving motor and the water pump are started after the piston moves upwards, thereby the water spray cooling can be performed on the tank body in time, the temperature of the heat conducting liquid drops after the external environment temperature is reduced, the metal memory alloy wire contracts, the elastic control button is kept away from and the driving motor and the water pump are closed when the piston moves downwards, thereby the automatic stop for water spray cooling on the tank body is convenient, the manual operation is not needed, the operation is convenient, the manpower occupies a small area, and the use convenience of the low-temperature ultra-large liquefied natural gas storage tank is improved.
Preferably, the clearance subassembly includes the cylinder of fixed mounting on the install bin roof, the output fixed mounting of cylinder has the installation piece, and the installation piece is located the inboard top of install bin, evenly install a plurality of steel needles on the diapire of installation piece, evenly be equipped with a plurality of filter holes on the metal filter screen, and steel needle and filter hole one-to-one, fixed mounting has the installation pole on the diapire of installation piece, and the bottom of installation pole extends to the downside of annular installing frame and metal filter screen, the discharge opening has been seted up on the diapire of install bin, the bottom fixed mounting of installation pole has the sealed end stopper of mutually supporting with the discharge opening.
The start-up cylinder can drive the installation piece, the steel needle, installation pole and sealed end stopper reciprocate, the steel needle downstream just can push away the impurity that blocks up in the metal filter screen with inserting the filter screen downthehole that corresponds, installation pole and sealed end stopper follow downstream this moment, consequently the impurity under the clearance can be through the discharge opening automatic discharge of bottom owing to the dead weight, can be convenient clear up the metal filter screen and clear away the impurity after the clearance, high durability and convenient use, thereby the convenience that the ultra-large-scale liquefied natural gas storage tank of low temperature used has been promoted.
Preferably, the stopper is elastically installed on the inside wall of discharge opening bottom, set up the spacing groove of mutually supporting with the stopper on the lateral wall of stopper at the bottom of sealing, install in the install bin and attract the stopper to keep away from the electro-magnet that stopper one side removed at the bottom of sealing, and electro-magnet electric connection is on the cylinder, the diapire that the stopper is close to stopper one end at the bottom of sealing is the inclined plane, and stopper at the bottom of sealing mutually support.
The electro-magnet circular telegram behind the cylinder circular telegram, can attract the stopper to remove to keeping away from sealed end stopper one side after the electro-magnet circular telegram, thereby be convenient for sealed end stopper follow installation pole downstream, the cylinder outage and sealed end stopper paste tightly behind the bottom of install bin, the one end of electro-magnet outage and stopper is promoted to the spacing inslot by elasticity, thereby can fix the bottom at the install bin with sealed end stopper, the stability of sealed end stopper installation has been promoted, consequently, can prevent that the cooling water from revealing and leading to the water spray effect variation of water pump and nozzle from the bottom of install bin, thereby the stability of clearance subassembly and the work of low temperature extra-large-scale liquefied natural gas storage tank has been promoted.
Preferably, the trigger assembly includes the fixed frame of annular of fixed mounting on the install bin inside wall, and annular installing frame and metal filter screen elastic connection are in the bottom of the fixed frame of annular, install the piezoceramics piece of mutually supporting with the annular installing frame on the diapire of the fixed frame of annular, and piezoceramics piece electric connection is on the cylinder.
Metal filters is blockked up the resistance grow of back metal filters to the cooling water, the cooling water can promote metal filters and annular installing frame rebound and extrusion piezoceramics piece after the water pump starts this moment, piezoceramics piece is by producing the electric current after the extrusion and clearing up cylinder to the metal filters power supply and start, metal filters can clear up metal filters automatically after the metal filters is blockked up, need not artifical regularly to clear up metal filters, and convenient for operation, thereby further promoted the convenience that the ultra-large-scale liquefied natural gas storage tank of low temperature used.
Preferably, the control assembly is including installing the kickboard in the cistern, install the guide post that runs through the kickboard setting in the cistern, be equipped with the mounting groove in the kickboard, install the metal joint on the inside wall of mounting groove one end, movable mounting has the magnetic joint who mutually supports with the metal joint in the mounting groove, be connected with the control valve on the moisturizing pipe, and the common electric connection of metal joint and magnetic joint on the control valve, from up installing first permanent magnet and second permanent magnet in proper order down on the inside wall that the cistern is close to kickboard one end, first permanent magnet is opposite with magnetic joint's magnetism, and the second permanent magnet is the same with magnetic joint's magnetism, all install the magnetic sleeve on the inside wall of mounting groove top and bottom.
The density of the floating plate is smaller than that of the cooling water, so that the floating plate always floats at the top end of the cooling water, when the water level line in the reservoir is positioned at the lowest water level line, the first permanent magnet can attract the magnetic joint to move to one side close to the metal joint and connect the magnetic joint to the metal joint, at the moment, the control valve is started, the water supplementing pipe starts supplementing water into the reservoir, when the water level line in the reservoir is positioned at the highest water level line, the second permanent magnet can push the magnetic joint to move to one side far away from the metal joint, at the moment, the control valve is closed, the water supplementing pipe stops supplementing water into the reservoir, when the water level line in the reservoir is positioned at the lowest water level line, the control component controls the water supplementing pipe to add water into the reservoir, so that the water resource waste caused by the fact that water overflows out of the reservoir can be prevented, both can avoid the waste of water resource, can guarantee again that the cooling hydroenergy in the cistern lasts the supply nozzle blowout cooling water to the result of use of low temperature ultra-large-scale liquefied natural gas storage tank has been promoted.
Compared with the prior art, the invention has the beneficial effects that:
1. can carry out the water spray cooling to the jar body automatically when external environment temperature is too high, can the automatic shutdown to jar body water spray cooling after external environment temperature reduces, need not artifical manually operation, convenient operation and manpower occupy for a short time to the convenience that the ultra-large-scale liquefied natural gas storage tank of low temperature used has been promoted.
2. The metal filter screen triggers the subassembly after being blockked up and starts the clearance subassembly and clear up the metal filter screen, can clear up the metal filter screen automatically, need not artifical regularly to clear up the metal filter screen, convenient operation to the convenience that the ultra-large-scale liquefied natural gas storage tank of low temperature used has further been promoted.
3. The water level line is in controlling the subassembly control moisturizing pipe and adding water to the cistern when minimum water level line in the cistern, thereby be convenient for replenish evaporation loss's moisture, control subassembly control moisturizing pipe stops adding water when the water level line is in the maximum water level line in the cistern, thereby water overflows the cistern and leads to the water waste when preventing the moisturizing, both can avoid the waste of water resource, can guarantee again that the cooling hydroenergy in the cistern lasts supply nozzle blowout cooling water, thereby the result of use of low temperature super large-scale liquefied natural gas storage tank has been promoted.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is a schematic structural view of a floating plate portion of the present invention;
FIG. 4 is an enlarged view of the structure of part A of the present invention;
FIG. 5 is an enlarged view of the structure of part B of the present invention;
FIG. 6 is an enlarged view of the structure of part C of the present invention;
fig. 7 is an enlarged view of the structure of part D of the present invention.
In the figure: 1. a base; 2. a tank body; 3. a reservoir; 4. a support; 5. fixing a column; 6. a sunshade; 7. a shower pipe; 8. a nozzle; 9. a bidirectional screw rod; 10. a movable block; 11. a drive motor; 12. a guide block; 13. a guide bar; 14. installing a pipe; 15. a mounting cavity; 16. a piston; 17. a metal memory alloy wire; 18. a heat conducting liquid; 19. an elastic control button; 20. installing a box; 21. a water pumping pipe; 22. a connecting pipe; 23. an annular mounting frame; 24. a cylinder; 25. mounting blocks; 26. a steel needle; 27. mounting a rod; 28. sealing the bottom plug; 29. an annular fixed frame; 30. piezoelectric ceramic plates; 31. a limiting block; 32. a limiting groove; 33. an electromagnet; 34. a water replenishing pipe; 35. a floating plate; 36. a guide post; 37. mounting grooves; 38. a metal joint; 39. a magnetic joint; 40. a first permanent magnet; 41. a second permanent magnet; 42. a magnetic insulation sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 7, the present invention provides a cryogenic ultra-large lng storage tank, which has the following technical scheme:
a low-temperature ultra-large liquefied natural gas storage tank comprises a tank body 2 fixed on the upper side of a base 1, a reservoir 3 is arranged on the top wall of the base 1, a support 4 is installed in the reservoir 3, the tank body 2 is fixed on the top end of the support 4, a fixed column 5 and a sunshade 6 are installed on the base 1, a spray pipe 7 is installed at the bottom end of the sunshade 6 in a sliding manner, a plurality of nozzles 8 are evenly installed at the bottom end of the spray pipe 7, a bidirectional screw rod 9 is installed on the bottom wall of the sunshade 6 in a rotating manner, a movable block 10 is fixedly installed on the top wall of the spray pipe 7, the movable block 10 is sleeved on the bidirectional screw rod 9, the bidirectional screw rod 9 is in threaded engagement with the movable block 10, a driving motor 11 for driving the bidirectional screw rod 9 to rotate is installed at the bottom end of the sunshade 6, a plurality of guide blocks 12 are installed on the top wall of the spray pipe 7, a plurality of guide rods 13 arranged on the bottom wall of the sunshade 6 and penetrating through the guide blocks 12, the spraying pipe 7 is connected with a water pump, the sunshade 6 is provided with a control component for controlling the opening and closing of the driving motor 11 and the water pump, the control component controls the starting of the driving motor 11 and the water pump after the environmental temperature rises, the control component controls the closing of the driving motor 11 and the water pump after the environmental temperature falls, the top end of the base 1 is provided with an installation box 20, the installation box 20 is connected with a water pumping pipe 21 and a connecting pipe 22, the bottom end of the water pumping pipe 21 extends into the reservoir 3, the connecting pipe 22 is connected with the spraying pipe 7, the inner side wall of the middle end of the installation box 20 is provided with an annular installation frame 23 and a metal filter screen, the water pumping pipe 21 and the connecting pipe 22 are respectively positioned at the lower side and the upper side of the metal filter screen, a cleaning component which is matched with the metal filter screen is arranged in the installation box 20, the metal filter screen is connected with a trigger component, and the trigger component starts the cleaning component to clean the metal filter screen after the metal filter screen is blocked, the top end of the reservoir 3 is provided with a water replenishing pipe 34, the water replenishing pipe 34 is connected with a control assembly, the control assembly controls the water replenishing pipe 34 to add water into the reservoir 3 when the water level line in the reservoir 3 is positioned at the lowest water level line, and the control assembly controls the water replenishing pipe 34 to stop adding water when the water level line in the reservoir 3 is positioned at the highest water level line.
After the environmental temperature rises, the control component controls the driving motor 11 and the water pump to start, the driving motor 11 can drive the bidirectional screw rod 9 to rotate, the bidirectional screw rod 9 is meshed with the movable block 10 through threads, therefore, the bidirectional screw rod 9 rotates to drive the movable block 10, the spray pipe 7 and the nozzle 8 to reciprocate at the top end of the tank body 2, the water pump starts to supply water to the nozzle 8 when the nozzle 8 reciprocates at the top end of the tank body 2 to spray water and cool the tank body 2, the control component controls the driving motor 11 and the water pump to be closed after the environmental temperature is reduced, therefore, the tank body 2 can be stopped being cooled, the tank body 2 can be automatically cooled by spraying water when the external environment temperature is too high, the tank body 2 can be automatically stopped being cooled by spraying water after the external environment temperature is reduced, manual operation is not needed, the operation is convenient, the manpower occupation is small, and the convenience of the low-temperature ultra-large liquefied natural gas storage tank is improved; the pump body is started, cooling water in the water storage tank 3 is pumped into the installation box 20 through the water pumping pipe 21, the cooling water in the installation box 20 is filtered by the metal filter screen and then flows to the nozzle 8 through the connecting pipe 22 and the spray pipe 7, the metal filter screen is blocked, the triggering assembly starts the cleaning assembly to clean the metal filter screen, the metal filter screen can be automatically cleaned, the metal filter screen does not need to be manually cleaned regularly, the operation is convenient, and the use convenience of the low-temperature ultra-large liquefied natural gas storage tank is further improved; control subassembly control moisturizing pipe 34 adds water in 3 cistern when the water level line is located minimum water level line in the cistern 3, thereby be convenient for replenish the moisture of evaporation loss, control subassembly control moisturizing pipe 34 stops adding water when the water level line is located the maximum water level line in the cistern 3, thereby water overflows cistern 3 and leads to the water waste when preventing the moisturizing, both can avoid the waste of water resource, can guarantee again that the cooling water in the cistern 3 can last supply 8 blowout cooling waters of nozzle, thereby the result of use of low temperature extra-large-scale liquefied natural gas storage tank has been promoted.
As an embodiment of the present invention, referring to fig. 2 and 4, the control assembly of the driving motor 11 and the water pump includes a plurality of mounting pipes 14 uniformly mounted on the bottom wall of the sunshade 6, a mounting cavity 15 is provided in each mounting pipe 14, a piston 16 is provided in each mounting cavity 15, a metal memory alloy wire 17 is connected between each piston 16 and the bottom wall inside the mounting cavity 15, a heat conducting liquid 18 mutually matched with the metal memory alloy wire 17 is provided in each mounting cavity 15, an elastic control button 19 electrically connected with the driving motor 11 and the water pump is provided on the top wall inside each mounting cavity 15, and the plurality of mounting pipes 14 are provided to prevent the driving motor 11 and the water pump from spraying water and cooling the tank body 2 when the external local environment temperature rises.
The heat conducting liquid 18 temperature rises when the external environment temperature is too high, the metal memory alloy wire 17 stretches out and pushes the piston 16 to move upwards after being heated, the elastic control button 19 is pressed after the piston 16 moves upwards and the driving motor 11 and the water pump are started, thereby the water spray cooling can be carried out on the tank body 2 in time, the heat conducting liquid 18 temperature drops and the metal memory alloy wire 17 contracts after the external environment temperature is reduced, at the moment, the piston 16 moves downwards to keep away from the elastic control button 19 and close the driving motor 11 and the water pump, thereby the automatic stop of the water spray cooling of the tank body 2 is convenient, the manual operation is not needed, the operation is convenient, the manpower occupies a small amount, and the use convenience of the low-temperature ultra-large liquefied natural gas storage tank is improved.
Referring to fig. 2 and 5, as an embodiment of the present invention, the cleaning assembly includes an air cylinder 24 fixedly installed on the top wall of the installation box 20, an installation block 25 is fixedly installed at an output end of the air cylinder 24, the installation block 25 is located at the top end of the inner side of the installation box 20, a plurality of steel needles 26 are uniformly installed on the bottom wall of the installation block 25, a plurality of filter holes are uniformly formed on the metal filter screen, the steel needles 26 correspond to the filter holes one by one, an installation rod 27 is fixedly installed on the bottom wall of the installation block 25, the bottom end of the installation rod 27 extends to the lower sides of the annular installation frame 23 and the metal filter screen, a discharge opening is formed on the bottom wall of the installation box 20, and a sealing bottom plug 28 which is matched with the discharge opening is fixedly installed at the bottom end of the installation rod 27.
Start-up cylinder 24 can drive installation piece 25, steel needle 26, installation pole 27 and sealed end stopper 28 reciprocate, steel needle 26 moves down and inserts the downthehole impurity that just can block up in the metal filter screen of filter screen that corresponds, installation pole 27 and sealed end stopper 28 follow the downstream this moment, consequently, impurity under the clearance is because the dead weight can be through the discharge opening automatic discharge of bottom, can be convenient clear up the metal filter screen and clear away the impurity after the clearance, high durability and convenient use, thereby the convenience of the ultra-large-scale liquefied natural gas storage tank use of low temperature has been promoted.
As an embodiment of the present invention, referring to fig. 2, 5 and 6, a limiting block 31 is elastically installed on an inner side wall of a bottom end of the discharge opening, a limiting groove 32 matched with the limiting block 31 is opened on an outer side wall of the sealing bottom plug 28, an electromagnet 33 for attracting the limiting block 31 to move towards a side far away from the sealing bottom plug 28 is installed in the installation box 20, the electromagnet 33 is electrically connected to the cylinder 24, a bottom wall of the limiting block 31 near one end of the sealing bottom plug 28 is an inclined surface, and the limiting block 31 is matched with the sealing bottom plug 28, when the sealing bottom plug 28 moves upwards, the inclined surface of the limiting block 31 is pressed and the limiting block 31 is pushed to move towards a side far away from the sealing bottom plug 28, so that the sealing bottom plug 28 is attached to the bottom end of the installation box 20.
Cylinder 24 circular telegram back electro-magnet 33 circular telegram, can attract stopper 31 to keeping away from sealed end stopper 28 one side to removing behind the electro-magnet 33 circular telegram, thereby be convenient for sealed end stopper 28 follows installation pole 27 downstream, cylinder 24 outage and sealed end stopper 28 paste tightly behind the bottom of install bin 20, the one end of electro-magnet 33 outage and stopper 31 receives elasticity to promote to spacing inslot 32, thereby can fix sealed end stopper 28 in the bottom of install bin 20, the stability of sealed end stopper 28 installation has been promoted, consequently, can prevent that the cooling water from revealing and leading to water pump and nozzle 8's water spray effect variation from the bottom of install bin 20, thereby the stability of clearance subassembly and the work of low temperature ultra-large-scale liquefied natural gas storage tank has been promoted.
Referring to fig. 2 and 5, the trigger assembly includes an annular fixing frame 29 fixedly installed on an inner sidewall of the installation box 20, the annular installation frame 23 and the metal screen are elastically connected to a bottom end of the annular fixing frame 29, a piezoelectric ceramic plate 30 fitted with the annular installation frame 23 is installed on a bottom wall of the annular fixing frame 29, and the piezoelectric ceramic plate 30 is electrically connected to the cylinder 24.
Metal filters is blockked up the resistance grow of back metal filters to the cooling water, the cooling water can promote metal filters and 23 rebound of annular installing frame and extrusion piezoceramics piece 30 after the water pump starts this moment, piezoceramics piece 30 is by producing electric current after the extrusion and clearing up cylinder 24 power supply and start cylinder 24 to metal filters, metal filters can clear up metal filters automatically after blockking up, need not artifical regularly to clear up metal filters, and convenient for operation, thereby further promoted the convenience that the ultra-large-scale liquefied natural gas storage tank of low temperature used.
As an embodiment of the present invention, referring to fig. 2, 3 and 7, the control assembly on the water replenishing pipe 34 includes a floating plate 35 installed in the water reservoir 3, a guide post 36 installed in the water reservoir 3 and penetrating through the floating plate 35, an installation groove 37 installed in the floating plate 35, a metal joint 38 installed on an inner sidewall of one end of the installation groove 37, a magnetic joint 39 movably installed in the installation groove 37 and cooperating with the metal joint 38, a control valve connected to the water replenishing pipe 34, and the metal joint 38 and the magnetic joint 39 electrically connected to the control valve together, a first permanent magnet 40 and a second permanent magnet 41 installed on an inner sidewall of one end of the water reservoir 3 close to the floating plate 35 from bottom to top in sequence, the first permanent magnet 40 and the magnetic joint 39 have opposite magnetism, and the second permanent magnet 41 and the magnetic joint 39 have the same magnetism, and a magnetic insulating sleeve 42 is installed on inner sidewalls of a top end and a bottom end of the installation groove 37, the magnetic insulating sleeve 42 can prevent the first permanent magnet 40 and the second permanent magnet 41 from causing magnetic interference to the magnetic joint 39 when the floating plate 35 and the magnetic joint 39 are not moved to the proper positions.
The density of the floating plate 35 is smaller than that of the cooling water, so that the floating plate 35 always floats on the top end of the cooling water, when the water level line in the reservoir 3 is at the lowest water level line, the first permanent magnet 40 attracts the magnetic joint 39 to move towards the side close to the metal joint 38 and connects the magnetic joint 39 to the metal joint 38, at this time, the control valve is started, the water replenishing pipe 34 starts replenishing water into the reservoir 3, when the water level line in the reservoir 3 is at the highest water level line, the second permanent magnet 41 pushes the magnetic joint 39 to move towards the side far away from the metal joint 38, at this time, the control valve is closed, the water replenishing pipe 34 stops replenishing water into the reservoir 3, when the water level line in the reservoir 3 is at the lowest water level line, the control assembly controls the water replenishing pipe 34 to add water into the reservoir 3, thereby facilitating the replenishment of the water lost by evaporation, when the water level line in the reservoir 3 is at the highest water level line, the control assembly controls the water replenishing pipe 34 to stop adding water, thereby water overflows cistern 3 and leads to the water waste when can prevent the moisturizing, both can avoid the waste of water resource, can guarantee again that the cooling water in the cistern 3 can continuously supply 8 blowout cooling waters of nozzle to the result of use of low temperature super large-scale liquefied natural gas storage tank has been promoted.
The working principle is as follows: when the external environment temperature is too high, the temperature of the heat conducting liquid 18 rises, the metal memory alloy wire 17 stretches out after being heated and pushes the piston 16 to move upwards, the piston 16 presses the elastic control button 19 after moving upwards and starts the driving motor 11 and the water pump, the driving motor 11 can drive the bidirectional screw rod 9 to rotate, the bidirectional screw rod 9 and the movable block 10 are meshed with each other in a threaded manner, so that the bidirectional screw rod 9 rotates to drive the movable block 10, the spraying pipe 7 and the nozzle 8 to reciprocate at the top end of the tank body 2, the water pump starts to supply water to the nozzle 8 when the nozzle 8 reciprocates at the top end of the tank body 2 to spray water and cool the tank body 2, the temperature of the heat conducting liquid 18 drops after the external environment temperature is reduced, the metal memory alloy wire 17 contracts, at the moment, the piston 16 moves downwards to be far away from the elastic control button 19 and closes the driving motor 11 and the water pump, thereby being convenient for automatically stopping spraying water and cooling to the tank body 2, when the external environment temperature is too high, the water can be automatically sprayed to the tank body 2 for cooling, and the water can be automatically stopped to spray water to the tank body 2 for cooling after the external environment temperature is reduced, so that manual operation is not needed; after the pump body is started, cooling water in the reservoir 3 is pumped into the installation box 20 through the water pumping pipe 21, the cooling water in the installation box 20 is filtered by the metal filter screen and then flows to the nozzle 8 through the connecting pipe 22 and the spray pipe 7, the resistance of the metal filter screen to the cooling water is increased after the metal filter screen is blocked, at the moment, the cooling water can push the metal filter screen and the annular installation frame 23 to move upwards and extrude the piezoelectric ceramic sheet 30 after the water pump is started, the piezoelectric ceramic sheet 30 generates current after being extruded and supplies power to the air cylinder 24, the air cylinder 24 can drive the installation block 25, the steel needle 26, the installation rod 27 and the sealing bottom plug 28 to move upwards and downwards after being electrified, the steel needle 26 moves downwards and is inserted into the corresponding filter screen hole to push down impurities blocked in the metal filter screen, at the moment, the installation rod 27 and the sealing bottom plug 28 move downwards along with the following, therefore, the cleaned impurities can be automatically discharged through a discharge opening at the bottom due to self weight, the metal filter screen can be conveniently cleaned and the cleaned impurities can be conveniently cleaned, and the metal filter screen does not need to be cleaned manually and periodically; the density of the floating plate 35 is smaller than that of the cooling water, so that the floating plate 35 always floats on the top end of the cooling water, when the water level line in the reservoir 3 is at the lowest water level line, the first permanent magnet 40 attracts the magnetic joint 39 to move towards the side close to the metal joint 38 and connects the magnetic joint 39 to the metal joint 38, at this time, the control valve is started, the water replenishing pipe 34 starts replenishing water into the reservoir 3, when the water level line in the reservoir 3 is at the highest water level line, the second permanent magnet 41 pushes the magnetic joint 39 to move towards the side far away from the metal joint 38, at this time, the control valve is closed, the water replenishing pipe 34 stops replenishing water into the reservoir 3, when the water level line in the reservoir 3 is at the lowest water level line, the control assembly controls the water replenishing pipe 34 to add water into the reservoir 3, thereby facilitating the replenishment of the water lost by evaporation, when the water level line in the reservoir 3 is at the highest water level line, the control assembly controls the water replenishing pipe 34 to stop adding water, therefore, water can be prevented from overflowing out of the water storage tank 3 to cause water resource waste during water replenishing, waste of water resources can be avoided, and cooling water in the water storage tank 3 can be guaranteed to be continuously supplied to the spray nozzles 8 to spray cooling water.
The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a low temperature ultra-large-scale liquefied natural gas storage tank, is including fixing jar body (2) at base (1) upside, cistern (3) have been seted up on the roof of base (1), install support (4) in cistern (3), and jar body (2) fix the top at support (4), its characterized in that: the automatic water spraying device is characterized in that a fixing column (5) and a sunshade (6) are installed on the base (1), a spraying pipe (7) is installed at the bottom end of the sunshade (6) in a sliding mode, a plurality of nozzles (8) are evenly installed at the bottom end of the spraying pipe (7), a bidirectional screw rod (9) is installed on the bottom wall of the sunshade (6) in a rotating mode, a movable block (10) is fixedly installed on the top wall of the spraying pipe (7), the movable block (10) is sleeved on the bidirectional screw rod (9), the bidirectional screw rod (9) is meshed with the movable block (10) in a threaded mode, a driving motor (11) for driving the bidirectional screw rod (9) to rotate is installed at the bottom end of the sunshade (6), a plurality of guide blocks (12) are installed on the top wall of the spraying pipe (7), a plurality of guide rods (13) penetrating through the guide blocks (12) are installed on the bottom wall of the sunshade (6), and a water pump is connected to the spraying pipe (7), install the control assembly that control driving motor (11) and water pump opened and close on sunshade (6), ambient temperature risees the back control assembly control driving motor (11) and water pump start, and ambient temperature reduces back control assembly control driving motor (11) and water pump and close, install bin (20) on the top of base (1), be connected with drinking-water pipe (21) and connecting pipe (22) on install bin (20), the bottom of drinking-water pipe (21) extends to in cistern (3), and connecting pipe (22) are connected on shower (7), install annular installing frame (23) and metal filter screen on the inside wall of install bin (20) middle-end, and drinking-water pipe (21) and connecting pipe (22) are located the downside and the upside of metal filter screen respectively, be equipped with the clearance subassembly of mutually supporting with the metal filter screen in install bin (20), be connected with the trigger subassembly on the metal filter screen, and the metal filter screen triggers the subassembly after blockking up and starts the clearance subassembly and clear up the metal filter screen, the top of cistern (3) is equipped with moisturizing pipe (34), be connected with control assembly on moisturizing pipe (34), control assembly control moisturizing pipe (34) adds water to cistern (3) when the water level line is located minimum water level line in cistern (3), and control assembly control moisturizing pipe (34) stops to add water when cistern (3) water level line is located maximum water level line.
2. The cryogenic ultra-large liquefied natural gas storage tank according to claim 1, wherein: control assembly includes a plurality of installation pipes (14), every of evenly installing on sunshade (6) diapire all be equipped with installation cavity (15) in installation pipe (14), every all be equipped with piston (16) in installation cavity (15), every all be connected with metal memory alloy silk (17), every between the diapire of piston (16) and installation cavity (15) inboard all be equipped with in installation cavity (15) heat-conducting liquid (18) of mutually supporting with metal memory alloy silk (17), every all install on the roof of installation cavity (15) inboard with driving motor (11) and water pump electric connection's elasticity control button (19).
3. The cryogenic ultra-large liquefied natural gas storage tank according to claim 1, wherein: the clearance subassembly includes cylinder (24) of fixed mounting on install bin (20) roof, the output fixed mounting of cylinder (24) has installation piece (25), and installs piece (25) and be located install bin (20) inboard top, evenly install a plurality of steel needles (26) on the diapire of installation piece (25), evenly be equipped with a plurality of filter holes on the metal filter screen, and steel needle (26) and filter hole one-to-one, fixed mounting has installation pole (27) on the diapire of installation piece (25), and the bottom of installation pole (27) extends to the downside of annular installing frame (23) and metal filter screen, the discharge opening has been seted up on the diapire of install bin (20), the bottom fixed mounting of installation pole (27) has sealed end plug (28) of mutually supporting with the discharge opening.
4. The cryogenic ultra-large liquefied natural gas storage tank according to claim 3, wherein: stopper (31) are installed to elasticity on the inside wall of discharge opening bottom, offer on the lateral wall of sealed end stopper (28) spacing groove (32) of mutually supporting with stopper (31), install in install bin (20) and attract stopper (31) to keeping away from electro-magnet (33) that sealed end stopper (28) one side removed, and electro-magnet (33) electric connection is on cylinder (24), the diapire that stopper (31) are close to sealed end stopper (28) one end is the inclined plane, and stopper (31) and sealed end stopper (28) mutually support.
5. The cryogenic ultra-large liquefied natural gas storage tank according to claim 3, wherein: trigger assembly includes the fixed frame of annular (29) of fixed mounting on install bin (20) inside wall, and annular installing frame (23) and metal filter screen elastic connection are in the bottom of the fixed frame of annular (29), install piezoceramics piece (30) of mutually supporting with annular installing frame (23) on the diapire of the fixed frame of annular (29), and piezoceramics piece (30) electric connection is on cylinder (24).
6. The cryogenic ultra-large liquefied natural gas storage tank according to claim 1, wherein: the control assembly is including installing kickboard (35) in cistern (3), install guide post (36) that run through kickboard (35) and set up in cistern (3), be equipped with mounting groove (37) in kickboard (35), install metal joint (38) on the inside wall of mounting groove (37) one end, movable mounting has magnetic joint (39) of mutually supporting with metal joint (38) in mounting groove (37), be connected with the control valve on moisturizing pipe (34), and metal joint (38) and magnetic joint (39) common electric connection are on the control valve, first permanent magnet (40) and second permanent magnet (41) are installed from up in proper order to follow on the inside wall that cistern (3) are close to kickboard (35) one end, first permanent magnet (40) are opposite with the magnetism of magnetic joint (39), and second permanent magnet (41) are the same with the magnetism of magnetic joint (39), all install on the inside wall of mounting groove (37) top and bottom and have magnetic insulation cover (42).
CN202111663356.XA 2021-12-31 2021-12-31 Low-temperature ultra-large liquefied natural gas storage tank Pending CN114321699A (en)

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