CN109405614A - The phase-change heat accumulation system of belt stirrer - Google Patents
The phase-change heat accumulation system of belt stirrer Download PDFInfo
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- CN109405614A CN109405614A CN201710714418.2A CN201710714418A CN109405614A CN 109405614 A CN109405614 A CN 109405614A CN 201710714418 A CN201710714418 A CN 201710714418A CN 109405614 A CN109405614 A CN 109405614A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The invention discloses the phase-change heat accumulation systems of belt stirrer, including heat storage can, upper cover and heat exchanger, the heat storage can is the barrel-like structure of top end opening, its top is provided with upper cover, the heat exchanger is arranged inside heat storage can, the upper cover center offers the through-hole through upper cover, the through-hole wall is provided with screw thread, nitrogen tube is vertically arranged in through-hole, the nitrogen tube includes outer tube and inner tube, the outer wall of the outer tube is provided with screw thread, the inner tube be arranged in outer tube and and outer coaxial tube, inner tube top is provided with nut, nut bottom is overlapped on outer tube top surface.High pressure nitrogen is passed through to heat accumulation pot bottom by nitrogen tube, the phase-change material solid state for being deposited in heat accumulation pot bottom is blown using the air blast that high pressure nitrogen is formed, it is allowed to float and is adequately combined and liquefied with upper aqueous phase, solve the problems, such as that solid precipitating is undissolved, the utilization rate and heat accumulation efficiency for improving phase-change material, reduce heat accumulation cost.
Description
Technical field
The invention belongs to phase-change material heat accumulation fields, more particularly to the phase-change heat accumulation system of belt stirrer.
Background technique
Due to economic rapid development, so that the pressure of energy shortages and environmental pollution that China faces is increasingly heavier.It is existing
Stage China is in the accelerated period of industrialization development, and energy supply and demand contradiction becomes increasingly conspicuous.Production of energy based on coal and
Consumption structure seriously destroys the ecological environment in China.To realize the Green Transformation of energy resource structure, accelerate transformation energy development
Mode must just reduce the discharge of greenhouse gases by every means, improve energy development, processing and transfer efficiency.
Peak-valley difference is growing China's power grid round the clock, there is a problem that resource irrational utilization and efficiency are low.Current
Daily load rate is about 50%~60%.And with load growth, it just not can avoid to upgrade power grid or increase and build.Traditional
Measure is costly, and large-scale enlarging can be such that power equipment averagely subtracts using time decline, decrease of power generation, economic benefit
It is few.If power grid trough-electricity stored by energy storage equipment, used in peak of power consumption, then can reduce the peak valley of power grid
Difference plays the purpose of peak load shifting, can save huge electric power asset volume.Reduce peak-valley difference by certain technological means,
The utilization rate of electric power asset is substantially improved, is the main direction of development of the following power grid.
Energy can be stored in phase-change material by phase-change accumulation energy and technology in the form of latent heat of phase change, realize energy in difference
Conversion between carrier.Using the hidden heat energy storage of phase-change material, the utilization rate of the energy can be improved and develop renewable resources.Phase transformation
Material heat accumulation, which utilizes, to be divided into: three heating, heat accumulation, heat release processes, the variable condition of phase-change material are as follows: solid-liquid-solid
Phase transition process, due to the raising of temperature in phase transition process, phase-change material crystalline solid is precipitated and precipitates, after multiple phase transition process,
Heat accumulation equipment bottom has partially crystallizable body and cannot liquefy, and causes phase-change material using insufficient, heat accumulation low efficiency, thus
Increase heat accumulation cost.
Summary of the invention
For the deficiencies in the prior art, the purpose of the present invention is to provide the phase-change heat accumulation system of belt stirrer,
It is passed through high pressure nitrogen in heat accumulation pot bottom, the phase-change material of heat accumulation pot bottom will be deposited in using the air blast that high pressure nitrogen is formed
Solid is blown, and being allowed to float adequately is combined and liquefied with upper aqueous phase, is solved the problems, such as that solid precipitating is undissolved, is mentioned
The high utilization rate and heat accumulation efficiency of phase-change material, reduces heat accumulation cost.
The present invention is achieved by the following technical solutions:
The phase-change heat accumulation system of belt stirrer, including heat storage can, upper cover and heat exchanger, the heat storage can are top end opening
Barrel-like structure, top is provided with upper cover, and the heat exchanger is arranged inside heat storage can, and the upper cover center offers
Through the through-hole of upper cover, which is provided with screw thread, and nitrogen tube is vertically arranged in through-hole, and the nitrogen tube includes outer
Pipe and inner tube, the outer wall of the outer tube are provided with screw thread, the inner tube be arranged in outer tube and and outer coaxial tube, interior tube top
End is provided with nut, and nut bottom is overlapped on outer tube top surface.
In the above-mentioned technical solutions, the length of the outer tube is 3-5 times of upper cover thickness.
In the above-mentioned technical solutions, the outer diameter of the inner tube is 5-50mm, wall thickness 1-10mm.
In the above-mentioned technical solutions, the bottom of inner tube is provided with 30 ° -90 ° of bending.
In the above-mentioned technical solutions, the tube wall of the bottom of inner tube is provided with the venthole through tube wall.
In the above-mentioned technical solutions, the venthole is arranged by axial symmetry of inner tube axis.
In the above-mentioned technical solutions, the venthole is symmetrically arranged with 1-2 group.
In the above-mentioned technical solutions, the convex edge tilted down is provided at the top of the venthole.
In the above-mentioned technical solutions, the tube wall of the bottom of inner tube is provided with the venthole through tube wall, in venthole
Inside it is provided with the snorkel vertical with inner tube setting direction.
In the above-mentioned technical solutions, the ventilation bottom of the tube is provided with 30 ° -90 ° of bending.
In the above-mentioned technical solutions, distance of the bottom end of inner tube away from heat storage can inner bottom surface is 15-50mm.
In the above-mentioned technical solutions, it is provided with exhaust valve on the upper lid, is provided with pressure gauge on the exhaust valve.
The application method of the phase-change heat accumulation system of belt stirrer of the invention:
The high pressure gas muzzle of the upper port of nitrogen tube and nitrogen is connected, high pressure air rifle passes through high-pressure hose and nitrogen gas tank
Connection, the outer tube of nitrogen tube is connect with the through-hole that upper cover center opens up, storage is realized by the screw thread being arranged on outer tube outer wall
The adjusting of nitrogen tube in the longitudinal direction in hot tank, makes it can sufficiently be blown into high pressure nitrogen in certain depth bounds;Storage
Phase-change material in hot tank for heat accumulation has partial phase change material in bottom after phase transformation and temperature change after a period of time
Material solid can not liquefy, and open high pressure air rifle at this time to heat accumulation pot bottom and be passed through high pressure nitrogen, the air blast that high pressure nitrogen is formed
The phase-change material solid state for being deposited in bottom is blown and floated, the liquid phase on itself and top is made to carry out becoming liquid after adequately combining
State.
Compared with prior art, the invention has the advantages and beneficial effects that:
1, the phase-change heat accumulation system of belt stirrer of the present invention is passed through high pressure nitrogen to heat accumulation pot bottom by nitrogen tube, utilizes
High pressure nitrogen formed air blast the phase-change material solid state for being deposited in heat accumulation pot bottom is blown, be allowed to float and upper aqueous phase into
Row is adequately combined and is liquefied, and is solved the problems, such as that solid precipitating is undissolved, is improved the utilization rate and heat accumulation of phase-change material
Efficiency reduces heat accumulation cost;
2, screw thread is provided on the outer tube outer wall of nitrogen tube of the present invention, and the setting length of screw thread is the 3-5 of upper cover thickness
Times, the adjusting of nitrogen tube in the longitudinal direction in heat storage can is realized by the screw thread being arranged on outer tube outer wall, makes it certain
Depth bounds in can sufficiently be blown into high pressure nitrogen, improve stirring efficiency;
3, the present invention is provided with bending, on tube wall surrounding setting venthole or venthole in the bottom of inner tube of nitrogen tube
It is provided with snorkel, the phase-change material solid state in all directions can be stirred, increase stirring efficiency, improve stirring
Quality;
4, the present invention is the stirring realized by being passed through high pressure nitrogen into heat storage can to bottom phase-change material solid state, by
In the characteristic of nitrogen itself, so that it will not chemically react with phase-change material;
5, the nitrogen tube in the present invention passes through screw thread when in use and is directly installed on the upper lid of heat storage can, facilitates peace
Dress, and nitrogen tube is not easy to be blocked by the phase-change material in heat storage can 4, is easy maintenance and replacement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the phase-change heat accumulation system of belt stirrer of the present invention;
Fig. 2 is the structural schematic diagram of 2 (nitrogen tubes) in Fig. 1;
Fig. 3 is the specific embodiment 1 of inner tube;
Fig. 4 is the specific embodiment 2 of inner tube;
Fig. 5 is the specific embodiment 3 of inner tube;
Fig. 6 is the specific embodiment 4 of inner tube;
Fig. 7 is the specific embodiment 5 of inner tube.
Wherein: 1, through-hole;2, nitrogen tube;2-1, outer tube;2-2, inner tube;2-3, venthole;2-4, snorkel;3, upper cover;
4, heat storage can;5, heat exchanger.
Specific embodiment
1 to 7 present invention is further described in detail with specific embodiment with reference to the accompanying drawing.It needs to illustrate
Be: following embodiments be it is illustrative, be not restrictive, cannot be limited the scope of protection of the present invention with following embodiments.
Embodiment 1
The phase-change heat accumulation system of belt stirrer, including heat storage can 4, upper cover 3 and heat exchanger 5, the heat storage can 4 are top
The barrel-like structure of opening, top are provided with upper cover 3, and the heat exchanger 5 is arranged inside heat storage can 4, in the upper cover 3
Centre offers the through-hole through upper cover, which is provided with screw thread, nitrogen tube 2, the nitrogen are vertically arranged in through-hole
Tracheae 2 includes outer tube 2-1 and inner tube 2-2;
The phase-change heat accumulation system of belt stirrer of the invention is passed through high pressure nitrogen to 4 bottom of heat storage can by nitrogen tube 2, benefit
The phase-change material solid state for being deposited in 4 bottom of heat storage can is blown with the air blast that high pressure nitrogen is formed, is allowed to float and top liquid
Mutually adequately combined and liquefied, solve the problems, such as solid precipitate it is undissolved, improve phase-change material utilization rate and
Heat accumulation efficiency reduces heat accumulation cost.
The outer tube 2-1 is made of stainless steel, and the outer wall of outer tube 2-1 is provided with screw thread, and outer tube 2-1 is in upper cover 3
It entreats the through-hole opened up and is threadedly coupled with it, the length of outer tube 2-1 is 3 times of 3 thickness of upper cover;
The present invention is provided with screw thread on the outer tube 2-1 outer wall of nitrogen tube 2, and the setting length of screw thread is greater than upper cover 3
Thickness realizes the adjusting of nitrogen tube 2 in the longitudinal direction in heat storage can 4 by the screw thread being arranged on outer tube 2-1 outer wall, makes it
It can sufficiently be blown into high pressure nitrogen in certain depth bounds, improve stirring efficiency.
The inner tube 2-2 is made of stainless steel, and top is provided with screw thread, and nut, nut bottom are provided on screw thread
Overlapped with the top surface outer tube 2-1 so that inner tube 2-2 can freely be moved up and down in outer tube 2-1, and not with the rotation of outer tube 2-1 and
Rotation, (inner tube and the connection type of outer tube are also changed to connect by rolling bearing herein, can also realize above-mentioned function), inner tube
The outer diameter of 2-2 is 5mm, and the bottom end of wall thickness 1mm, inner tube 2-2 are 15mm, the bottom inner tube 2-2 away from the distance of 4 inner bottom surface of heat storage can
The venthole 2-3 through tube wall is provided on the tube wall in portion, the diameter of venthole 2-3 is less than the internal diameter of inner tube 2-2, venthole 2-
3 are provided with 2 groups using the axis of inner tube 2-2 as axial symmetry, the top said inner tube 2-2 port when in use with the high pressure gas of nitrogen gas tank
The connection of rifle muzzle.
The present invention is to realize the stirring to bottom phase-change material solid state by being passed through high pressure nitrogen into heat storage can 4, by
In the characteristic of nitrogen itself, so that it will not chemically react with phase-change material;Inner tube 2-2 is set to outer by the nut on top
In pipe 2-1, it move up and down it can in outer tube 2-1 freely, and do not rotate with the rotation of outer tube 2-1;In the bottom inner tube 2-2
Tube wall surrounding be provided with venthole 2-3, the convex edge tilted down is provided at the top of venthole 2-3, can be to all directions
On phase-change material solid state be stirred, increase stirring efficiency, improve mixing quality;And nitrogen tube 2 use when
Time is directly installed in the upper cover 3 of heat storage can 4 by screw thread, facilitates installation, and nitrogen tube 2 is not easy by the phase in heat storage can 4
Become material to be blocked, is easy maintenance and replacement.
It is additionally provided in upper cover 3 exhaust valve (unlabeled in figure), pressure gauge is provided on the exhaust valve, when heat storage can 4
When interior pressure exceeds setting value, control exhaust valve starting excludes nitrogen in heat storage can 4, guarantees the safety of equipment.When in use, will
The upper port of nitrogen tube 2 and the high pressure gas muzzle of nitrogen connect, and high pressure air rifle is connect by high-pressure hose with nitrogen gas tank, by nitrogen
The outer tube 2-1 of tracheae 2 is connect with the through-hole that 3 center of upper cover opens up, and realizes heat accumulation by the screw thread being arranged on outer tube 2-1 outer wall
The adjusting of nitrogen tube 2 in the longitudinal direction in tank 4, makes it can sufficiently be blown into high pressure nitrogen in certain depth bounds;Storage
Phase-change material in hot tank 4 for heat accumulation has partial phase change material in bottom after phase transformation and temperature change after a period of time
Material solid can not liquefy, and open high pressure air rifle at this time to 4 bottom of heat storage can and be passed through high pressure nitrogen, the air blast that high pressure nitrogen is formed
The phase-change material solid state for being deposited in bottom is blown and floated, the liquid phase on itself and top is made to carry out becoming liquid after adequately combining
State.
Embodiment 2
The phase-change heat accumulation system of belt stirrer, including heat storage can 4, upper cover 3 and heat exchanger 5, the heat storage can 4 are top
The barrel-like structure of opening, top are provided with upper cover 3, and the heat exchanger 5 is arranged inside heat storage can 4, in the upper cover 3
Centre offers the through-hole through upper cover, which is provided with screw thread, nitrogen tube 2, the nitrogen are vertically arranged in through-hole
Tracheae 2 includes outer tube 2-1 and inner tube 2-2;
The phase-change heat accumulation system of belt stirrer of the invention is passed through high pressure nitrogen to 4 bottom of heat storage can by nitrogen tube 2, benefit
The phase-change material solid state for being deposited in 4 bottom of heat storage can is blown with the air blast that high pressure nitrogen is formed, is allowed to float and top liquid
Mutually adequately combined and liquefied, solve the problems, such as solid precipitate it is undissolved, improve phase-change material utilization rate and
Heat accumulation efficiency reduces heat accumulation cost.
The outer tube 2-1 is made of stainless steel, and the outer wall of outer tube 2-1 is provided with screw thread, and outer tube 2-1 is in upper cover 3
It entreats the through-hole opened up and is threadedly coupled with it, the length of outer tube 2-1 is 3 times of 3 thickness of upper cover;
The present invention is provided with screw thread on the outer tube 2-1 outer wall of nitrogen tube 2, and the setting length of screw thread is greater than upper cover 3
Thickness realizes the adjusting of nitrogen tube 2 in the longitudinal direction in heat storage can 4 by the screw thread being arranged on outer tube 2-1 outer wall, makes it
It can sufficiently be blown into high pressure nitrogen in certain depth bounds, improve stirring efficiency.
The inner tube 2-2 is made of stainless steel, and top is provided with screw thread, and nut, nut bottom are provided on screw thread
Overlapped with the top surface outer tube 2-1 so that inner tube 2-2 can freely be moved up and down in outer tube 2-1, and not with the rotation of outer tube 2-1 and
Rotation, (inner tube and the connection type of outer tube are also changed to connect by rolling bearing herein, can also realize above-mentioned function), inner tube
The outer diameter of 2-2 is 15mm, and the bottom end of wall thickness 3mm, inner tube 2-2 are 20mm, inner tube 2-2 away from the distance of 4 inner bottom surface of heat storage can
Bottom is provided with 90 ° of bending, and the top said inner tube 2-2 port is connect with the high pressure air rifle muzzle of nitrogen gas tank when in use.
The present invention is to realize the stirring to bottom phase-change material solid state by being passed through high pressure nitrogen into heat storage can 4, by
In the characteristic of nitrogen itself, so that it will not chemically react with phase-change material;Inner tube 2-2 is set to outer by the nut on top
In pipe 2-1, it move up and down it can in outer tube 2-1 freely, and do not rotate with the rotation of outer tube 2-1;In the bottom inner tube 2-2
It is provided with 90 ° of bending, has been capable of increasing stirring efficiency, improves mixing quality;And nitrogen tube 2 passes through when in use
Screw thread is directly installed in the upper cover 3 of heat storage can 4, facilitates installation, and nitrogen tube 2 is not easy by the phase-change material in heat storage can 4
It is blocked, is easy maintenance and replacement.
It is additionally provided in upper cover 3 exhaust valve (unlabeled in figure), pressure gauge is provided on the exhaust valve, when heat storage can 4
When interior pressure exceeds setting value, control exhaust valve starting excludes nitrogen in heat storage can 4, guarantees the safety of equipment.
When in use, the high pressure gas muzzle of the upper port of nitrogen tube 2 and nitrogen is connected, high pressure air rifle is soft by high pressure
Pipe is connect with nitrogen gas tank, the outer tube 2-1 of nitrogen tube 2 is connect with the through-hole that 3 center of upper cover opens up, by outer tube 2-1 outer wall
The screw thread of setting realizes the adjusting of nitrogen tube 2 in the longitudinal direction in heat storage can 4, makes its equal energy in certain depth bounds
Sufficiently it is blown into high pressure nitrogen;In heat storage can 4 for the phase-change material of heat accumulation through after a period of time phase transformation and temperature change it
Bottom has partial phase change material solid and can not liquefy afterwards, opens high pressure air rifle at this time to 4 bottom of heat storage can and is passed through high pressure nitrogen,
The phase-change material solid state for being deposited in bottom is blown and is floated by the air blast that high pressure nitrogen is formed, and carries out the liquid phase on itself and top
Become liquid after adequately combining.
Embodiment 3
The phase-change heat accumulation system of belt stirrer, including heat storage can 4, upper cover 3 and heat exchanger 5, the heat storage can 4 are top
The barrel-like structure of opening, top are provided with upper cover 3, and the heat exchanger 5 is arranged inside heat storage can 4, in the upper cover 3
Centre offers the through-hole through upper cover, which is provided with screw thread, nitrogen tube 2, the nitrogen are vertically arranged in through-hole
Tracheae 2 includes outer tube 2-1 and inner tube 2-2;
The phase-change heat accumulation system of belt stirrer of the invention is passed through high pressure nitrogen to 4 bottom of heat storage can by nitrogen tube 2, benefit
The phase-change material solid state for being deposited in 4 bottom of heat storage can is blown with the air blast that high pressure nitrogen is formed, is allowed to float and top liquid
Mutually adequately combined and liquefied, solve the problems, such as solid precipitate it is undissolved, improve phase-change material utilization rate and
Heat accumulation efficiency reduces heat accumulation cost.
The outer tube 2-1 is made of stainless steel, and the outer wall of outer tube 2-1 is provided with screw thread, and outer tube 2-1 is in upper cover 3
It entreats the through-hole opened up and is threadedly coupled with it, the length of outer tube 2-1 is 3 times of 3 thickness of upper cover;
The present invention is provided with screw thread on the outer tube 2-1 outer wall of nitrogen tube 2, and the setting length of screw thread is greater than upper cover 3
Thickness realizes the adjusting of nitrogen tube 2 in the longitudinal direction in heat storage can 4 by the screw thread being arranged on outer tube 2-1 outer wall, makes it
It can sufficiently be blown into high pressure nitrogen in certain depth bounds, improve stirring efficiency.
The inner tube 2-2 is made of stainless steel, and top is provided with screw thread, and nut, nut bottom are provided on screw thread
Overlapped with the top surface outer tube 2-1 so that inner tube 2-2 can freely be moved up and down in outer tube 2-1, and not with the rotation of outer tube 2-1 and
Rotation, (inner tube and the connection type of outer tube are also changed to connect by rolling bearing herein, can also realize above-mentioned function), inner tube
The outer diameter of 2-2 is 25mm, and the bottom end of wall thickness 5mm, inner tube 2-2 are 25mm, inner tube 2-2 away from the distance of 4 inner bottom surface of heat storage can
Bottom is provided with 90 ° of bending, and the venthole 2-3 through tube wall is provided on tube wall, and the diameter of venthole 2-3 is less than inner tube 2-
2 internal diameter, venthole 2-3 are provided with 2 groups by axial symmetry of the axis of inner tube 2-2, and the top said inner tube 2-2 port is when in use
It is connect with the high pressure air rifle muzzle of nitrogen gas tank.
The present invention is to realize the stirring to bottom phase-change material solid state by being passed through high pressure nitrogen into heat storage can 4, by
In the characteristic of nitrogen itself, so that it will not chemically react with phase-change material;Inner tube 2-2 is set to outer by the nut on top
In pipe 2-1, it move up and down it can in outer tube 2-1 freely, and do not rotate with the rotation of outer tube 2-1;At the bottom of inner tube 2-2
Portion is provided with 90 ° of bending, and the tube wall surrounding of the bottom inner tube 2-2 is provided with venthole 2-3, is provided at the top of venthole 2-3
The convex edge tilted down can be stirred the phase-change material solid state in all directions, increase stirring efficiency, improve and stir
Mix quality;And nitrogen tube 2 is directly installed in the upper cover 3 of heat storage can 4 by screw thread when in use, facilitates installation, and
Nitrogen tube 2 is not easy to be blocked by the phase-change material in heat storage can 4, is easy maintenance and replacement.
It is additionally provided in upper cover 3 exhaust valve (unlabeled in figure), pressure gauge is provided on the exhaust valve, when heat storage can 4
When interior pressure exceeds setting value, control exhaust valve starting excludes nitrogen in heat storage can 4, guarantees the safety of equipment.
When in use, the high pressure gas muzzle of the upper port of nitrogen tube 2 and nitrogen is connected, high pressure air rifle is soft by high pressure
Pipe is connect with nitrogen gas tank, the outer tube 2-1 of nitrogen tube 2 is connect with the through-hole that 3 center of upper cover opens up, by outer tube 2-1 outer wall
The screw thread of setting realizes the adjusting of nitrogen tube 2 in the longitudinal direction in heat storage can 4, makes its equal energy in certain depth bounds
Sufficiently it is blown into high pressure nitrogen;In heat storage can 4 for the phase-change material of heat accumulation through after a period of time phase transformation and temperature change it
Bottom has partial phase change material solid and can not liquefy afterwards, opens high pressure air rifle at this time to 4 bottom of heat storage can and is passed through high pressure nitrogen,
The phase-change material solid state for being deposited in bottom is blown and is floated by the air blast that high pressure nitrogen is formed, and carries out the liquid phase on itself and top
Become liquid after adequately combining.
Embodiment 4
The phase-change heat accumulation system of belt stirrer, including heat storage can 4, upper cover 3 and heat exchanger 5, the heat storage can 4 are top
The barrel-like structure of opening, top are provided with upper cover 3, and the heat exchanger 5 is arranged inside heat storage can 4, in the upper cover 3
Centre offers the through-hole through upper cover, which is provided with screw thread, nitrogen tube 2, the nitrogen are vertically arranged in through-hole
Tracheae 2 includes outer tube 2-1 and inner tube 2-2;
The phase-change heat accumulation system of belt stirrer of the invention is passed through high pressure nitrogen to 4 bottom of heat storage can by nitrogen tube 2, benefit
The phase-change material solid state for being deposited in 4 bottom of heat storage can is blown with the air blast that high pressure nitrogen is formed, is allowed to float and top liquid
Mutually adequately combined and liquefied, solve the problems, such as solid precipitate it is undissolved, improve phase-change material utilization rate and
Heat accumulation efficiency reduces heat accumulation cost.
The outer tube 2-1 is made of stainless steel, and the outer wall of outer tube 2-1 is provided with screw thread, and outer tube 2-1 is in upper cover 3
It entreats the through-hole opened up and is threadedly coupled with it, the length of outer tube 2-1 is 5 times of 3 thickness of upper cover;
The present invention is provided with screw thread on the outer tube 2-1 outer wall of nitrogen tube 2, and the setting length of screw thread is greater than upper cover 3
Thickness realizes the adjusting of nitrogen tube 2 in the longitudinal direction in heat storage can 4 by the screw thread being arranged on outer tube 2-1 outer wall, makes it
It can sufficiently be blown into high pressure nitrogen in certain depth bounds, improve stirring efficiency.
The inner tube 2-2 is made of stainless steel, and top is provided with screw thread, and nut, nut bottom are provided on screw thread
Overlapped with the top surface outer tube 2-1 so that inner tube 2-2 can freely be moved up and down in outer tube 2-1, and not with the rotation of outer tube 2-1 and
Rotation, (inner tube and the connection type of outer tube are also changed to connect by rolling bearing herein, can also realize above-mentioned function), inner tube
The outer diameter of 2-2 is 35mm, and the bottom end of wall thickness 7mm, inner tube 2-2 are 30mm, inner tube 2-2 away from the distance of 4 inner bottom surface of heat storage can
The venthole 2-3 through tube wall is provided on the tube wall of bottom, the diameter of venthole 2-3 is less than the internal diameter of inner tube 2-2, venthole
2-3 is provided with 2 groups by axial symmetry of the axis of inner tube 2-2, is provided in venthole 2-3 and hangs down with the setting direction of inner tube 2-2
Straight snorkel 2-4, the top said inner tube 2-2 port are connect with the high pressure air rifle muzzle of nitrogen gas tank when in use.
The present invention is to realize the stirring to bottom phase-change material solid state by being passed through high pressure nitrogen into heat storage can 4, by
In the characteristic of nitrogen itself, so that it will not chemically react with phase-change material;Tube wall surrounding in the bottom inner tube 2-2 is provided with
Venthole 2-3 is provided with the snorkel 2-4 vertical with inner tube 2-2 setting direction in venthole 2-3, can be to all directions
On phase-change material solid state be stirred, increase stirring efficiency, improve mixing quality;And nitrogen tube 2 use when
Time is directly installed in the upper cover 3 of heat storage can 4 by screw thread, facilitates installation, and nitrogen tube 2 is not easy by the phase in heat storage can 4
Become material to be blocked, is easy maintenance and replacement.
It is additionally provided in upper cover 3 exhaust valve (unlabeled in figure), pressure gauge is provided on the exhaust valve, when heat storage can 4
When interior pressure exceeds setting value, control exhaust valve starting excludes nitrogen in heat storage can 4, guarantees the safety of equipment.
When in use, the high pressure gas muzzle of the upper port of nitrogen tube 2 and nitrogen is connected, high pressure air rifle is soft by high pressure
Pipe is connect with nitrogen gas tank, the outer tube 2-1 of nitrogen tube 2 is connect with the through-hole that 3 center of upper cover opens up, by outer tube 2-1 outer wall
The screw thread of setting realizes the adjusting of nitrogen tube 2 in the longitudinal direction in heat storage can 4, makes its equal energy in certain depth bounds
Sufficiently it is blown into high pressure nitrogen;In heat storage can 4 for the phase-change material of heat accumulation through after a period of time phase transformation and temperature change it
Bottom has partial phase change material solid and can not liquefy afterwards, opens high pressure air rifle at this time to 4 bottom of heat storage can and is passed through high pressure nitrogen,
The phase-change material solid state for being deposited in bottom is blown and is floated by the air blast that high pressure nitrogen is formed, and carries out the liquid phase on itself and top
Become liquid after adequately combining.
Embodiment 5
The phase-change heat accumulation system of belt stirrer, including heat storage can 4, upper cover 3 and heat exchanger 5, the heat storage can 4 are top
The barrel-like structure of opening, top are provided with upper cover 3, and the heat exchanger 5 is arranged inside heat storage can 4, in the upper cover 3
Centre offers the through-hole through upper cover, which is provided with screw thread, nitrogen tube 2, the nitrogen are vertically arranged in through-hole
Tracheae 2 includes outer tube 2-1 and inner tube 2-2;
The phase-change heat accumulation system of belt stirrer of the invention is passed through high pressure nitrogen to 4 bottom of heat storage can by nitrogen tube 2, benefit
The phase-change material solid state for being deposited in 4 bottom of heat storage can is blown with the air blast that high pressure nitrogen is formed, is allowed to float and top liquid
Mutually adequately combined and liquefied, solve the problems, such as solid precipitate it is undissolved, improve phase-change material utilization rate and
Heat accumulation efficiency reduces heat accumulation cost.
The outer tube 2-1 is made of stainless steel, and the outer wall of outer tube 2-1 is provided with screw thread, and outer tube 2-1 is in upper cover 3
It entreats the through-hole opened up and is threadedly coupled with it, the length of outer tube 2-1 is 5 times of 3 thickness of upper cover;
The present invention is provided with screw thread on the outer tube 2-1 outer wall of nitrogen tube 2, and the setting length of screw thread is greater than upper cover 3
Thickness realizes the adjusting of nitrogen tube 2 in the longitudinal direction in heat storage can 4 by the screw thread being arranged on outer tube 2-1 outer wall, makes it
It can sufficiently be blown into high pressure nitrogen in certain depth bounds, improve stirring efficiency.
The inner tube 2-2 is made of stainless steel, and top is provided with screw thread, and nut, nut bottom are provided on screw thread
Overlapped with the top surface outer tube 2-1 so that inner tube 2-2 can freely be moved up and down in outer tube 2-1, and not with the rotation of outer tube 2-1 and
Rotation, (inner tube and the connection type of outer tube are also changed to connect by rolling bearing herein, can also realize above-mentioned function), inner tube
The outer diameter of 2-2 is 45mm, and the bottom end of wall thickness 9mm, inner tube 2-2 are 35mm, inner tube 2-2 away from the distance of 4 inner bottom surface of heat storage can
Bottom is provided with 90 ° of bending, and the venthole 2-3 through tube wall is provided on tube wall, and the diameter of venthole 2-3 is less than inner tube 2-
2 internal diameter, venthole 2-3 are provided with 2 groups by axial symmetry of the axis of inner tube 2-2, are provided in venthole 2-3 and inner tube 2-
The vertical snorkel 2-4 of 2 setting directions, the top said inner tube 2-2 port connect with the high pressure air rifle muzzle of nitrogen gas tank when in use
It connects.
The present invention is to realize the stirring to bottom phase-change material solid state by being passed through high pressure nitrogen into heat storage can 4, by
In the characteristic of nitrogen itself, so that it will not chemically react with phase-change material;Inner tube 2-2 is set to outer by the nut on top
In pipe 2-1, it move up and down it can in outer tube 2-1 freely, and do not rotate with the rotation of outer tube 2-1;At the bottom of inner tube 2-2
Portion is provided with 90 ° of bending, and the tube wall surrounding of the bottom inner tube 2-2 is provided with venthole 2-3, be provided in venthole 2-3 with
The vertical snorkel 2-4 of inner tube 2-2 setting direction, can be stirred the phase-change material solid state in all directions, increase
Stirring efficiency improves mixing quality;And nitrogen tube 2 is directly installed on the upper of heat storage can 4 by screw thread when in use
On lid 3, facilitate installation, and nitrogen tube 2 is not easy to be blocked by the phase-change material in heat storage can 4, is easy maintenance and replacement.
It is additionally provided in upper cover 3 exhaust valve (unlabeled in figure), pressure gauge is provided on the exhaust valve, when heat storage can 4
When interior pressure exceeds setting value, control exhaust valve starting excludes nitrogen in heat storage can 4, guarantees the safety of equipment.
When in use, the high pressure gas muzzle of the upper port of nitrogen tube 2 and nitrogen is connected, high pressure air rifle is soft by high pressure
Pipe is connect with nitrogen gas tank, the outer tube 2-1 of nitrogen tube 2 is connect with the through-hole that 3 center of upper cover opens up, by outer tube 2-1 outer wall
The screw thread of setting realizes the adjusting of nitrogen tube 2 in the longitudinal direction in heat storage can 4, makes its equal energy in certain depth bounds
Sufficiently it is blown into high pressure nitrogen;In heat storage can 4 for the phase-change material of heat accumulation through after a period of time phase transformation and temperature change it
Bottom has partial phase change material solid and can not liquefy afterwards, opens high pressure air rifle at this time to 4 bottom of heat storage can and is passed through high pressure nitrogen,
The phase-change material solid state for being deposited in bottom is blown and is floated by the air blast that high pressure nitrogen is formed, and carries out the liquid phase on itself and top
Become liquid after adequately combining.
Compared with other existing phase transformations go out hot systems, the present invention has the advantages that following more obvious: equipment is simple, heat accumulation is imitated
It is rate is high, at low cost, heat accumulation process is more environmentally-friendly, can effectively realize thermal energy conversion, applied widely.
Illustrative description has been done to the present invention above, it should explanation, the case where not departing from core of the invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent replacement of creative work equal
Fall into protection scope of the present invention.
Claims (10)
1. a kind of phase-change heat accumulation system of belt stirrer, including heat storage can, upper cover and heat exchanger, it is characterised in that: the storage
Hot tank is the barrel-like structure of top end opening, and top is provided with upper cover, and the heat exchanger is arranged inside heat storage can, described
Upper cover center offers the through-hole through upper cover, which is provided with screw thread, and nitrogen tube is vertically arranged in through-hole, described
Nitrogen tube include outer tube and inner tube, the outer wall of the outer tube is provided with screw thread, the inner tube be arranged in outer tube and with
Outer coaxial tube, inner tube top are provided with nut, and nut bottom is overlapped on outer tube top surface.
2. the phase-change heat accumulation system of belt stirrer according to claim 1, it is characterised in that: the length of the outer tube is upper
3-5 times of lid thickness.
3. the phase-change heat accumulation system of belt stirrer according to claim 1, it is characterised in that: the outer diameter of the inner tube is
5-50mm, wall thickness 1-10mm.
4. the phase-change heat accumulation system of belt stirrer according to claim 1, it is characterised in that: the bottom of inner tube setting
There is 30 ° -90 ° of bending.
5. the phase-change heat accumulation system of belt stirrer according to claim 1, it is characterised in that: the pipe of the bottom of inner tube
Wall is provided with the venthole through tube wall.
6. the phase-change heat accumulation system of belt stirrer according to claim 5, it is characterised in that: the venthole is with inner tube axis
Line is axial symmetry setting.
7. the phase-change heat accumulation system of belt stirrer according to claim 5, it is characterised in that: the venthole is symmetrical arranged
There is 1-2 group.
8. the phase-change heat accumulation system of belt stirrer according to claim 5, it is characterised in that: set at the top of the venthole
It is equipped with the convex edge tilted down.
9. the phase-change heat accumulation system of belt stirrer according to claim 1, it is characterised in that: the pipe of the bottom of inner tube
Wall is provided with the venthole through tube wall, and the snorkel vertical with inner tube setting direction is provided in venthole.
10. the phase-change heat accumulation system of belt stirrer according to claim 9, it is characterised in that: the ventilation bottom of the tube
It is provided with 30 ° -90 ° of bending.
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CN201710714418.2A CN109405614A (en) | 2017-08-18 | 2017-08-18 | The phase-change heat accumulation system of belt stirrer |
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CN102954726A (en) * | 2012-09-14 | 2013-03-06 | 上海骄英能源科技有限公司 | Composite phase-change heat storage device |
CN104990438A (en) * | 2015-07-31 | 2015-10-21 | 江苏启能新能源材料有限公司 | Phase-change type heat storage device with built-in water tank |
CN105318763A (en) * | 2014-06-06 | 2016-02-10 | 益科博能源科技(上海)有限公司 | Vertical-type phase-change thermal storage tank |
CN105413615A (en) * | 2015-12-30 | 2016-03-23 | 周跃 | Liquid phase reaction vessel for carrying out uniform reactions |
WO2017071959A1 (en) * | 2015-10-29 | 2017-05-04 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Device for storing thermal energy by a solid-liquid phase-change material comprising a condenser |
CN207197326U (en) * | 2017-08-18 | 2018-04-06 | 天津滨海储能技术有限公司 | A kind of phase-change heat accumulation system of belt stirrer |
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- 2017-08-18 CN CN201710714418.2A patent/CN109405614A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102954726A (en) * | 2012-09-14 | 2013-03-06 | 上海骄英能源科技有限公司 | Composite phase-change heat storage device |
CN105318763A (en) * | 2014-06-06 | 2016-02-10 | 益科博能源科技(上海)有限公司 | Vertical-type phase-change thermal storage tank |
CN104990438A (en) * | 2015-07-31 | 2015-10-21 | 江苏启能新能源材料有限公司 | Phase-change type heat storage device with built-in water tank |
WO2017071959A1 (en) * | 2015-10-29 | 2017-05-04 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Device for storing thermal energy by a solid-liquid phase-change material comprising a condenser |
CN105413615A (en) * | 2015-12-30 | 2016-03-23 | 周跃 | Liquid phase reaction vessel for carrying out uniform reactions |
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