CN113865397A - Incompletely freeze formula ice cold storage device - Google Patents
Incompletely freeze formula ice cold storage device Download PDFInfo
- Publication number
- CN113865397A CN113865397A CN202110992568.6A CN202110992568A CN113865397A CN 113865397 A CN113865397 A CN 113865397A CN 202110992568 A CN202110992568 A CN 202110992568A CN 113865397 A CN113865397 A CN 113865397A
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- ice storage
- storage tank
- ice
- connecting rod
- heat exchange
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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
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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
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
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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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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses an incomplete freezing type ice storage device, which comprises an ice storage tank internally provided with warm ice storage materials, wherein the ice storage tank is provided with a rotary connecting rod, a heat exchange pipeline and a positive and negative rotation motor; the rotary connecting rod penetrates through the ice storage tank and is rotatably connected with the top and the bottom of the tank body of the ice storage tank, and the top of the rotary connecting rod is in transmission connection with a forward and reverse rotating motor; the heat exchange pipeline is fixed on the rotary connecting rod and is connected with an external refrigerant pipeline. The ice cold storage device can improve the refrigerating temperature of the refrigerator based on the warm ice cold storage material so as to improve the overall energy efficiency of the system, and the heat exchange pipeline can rotate forwards and backwards in the ice storage tank so as to promote the crystallization of the cold storage material and prevent the crystallized cold storage material from being bonded on the heat exchange pipeline to influence the heat exchange effect. The invention has simple and compact structure and high heat exchange efficiency, can be assembled in a modularization way and adapts to the application requirements of different scenes.
Description
Technical Field
The invention relates to an incomplete freezing type ice cold storage device, and belongs to the technical field of cold storage equipment.
Background
In the prior art, most of ice cold accumulation devices adopt fixed heat exchange coil pipes, and the heat exchange performance between the heat exchange coil pipes and cold accumulation materials is poor. In the cold accumulation process, the cold accumulation material preferentially freezes on the outer wall of the heat exchange coil, so that the thermal resistance is increased, and the heat exchange rate is further reduced; in the process of cooling, the cold storage material at the outer wall of the heat exchange coil pipe is melted preferentially, and the rest part is difficult to melt. Therefore, the existing ice cold storage device needs to be provided with a large number of heat exchange coils, on one hand, the effective cold storage capacity of the device is reduced, and on the other hand, the device cost is increased.
In addition, the cold storage material has a supercooling phenomenon in the cold storage process, disturbance is beneficial to reducing supercooling degree, the existing cold storage device mostly adopts an air blowing device to solve the supercooling problem, but blown gas needs to be discharged, and the cold storage device has a complex structure.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an incomplete freezing type ice storage device, which is based on a warm ice storage material, improves the refrigerating temperature of a refrigerator, further improves the overall energy efficiency of the system, can ensure that a heat exchange pipeline can rotate forwards and backwards in an ice storage tank, promotes the crystallization of the cold storage material, and simultaneously prevents the crystallized cold storage material from being bonded on the heat exchange pipeline to influence the heat exchange effect.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
an incomplete freezing type ice cold storage device comprises an ice storage tank internally provided with warm ice cold storage materials, wherein a rotary connecting rod, a heat exchange pipeline and a positive and negative rotation motor are arranged on the ice storage tank; the rotary connecting rod penetrates through the ice storage tank and is rotationally connected with the top and the bottom of the tank body of the ice storage tank, and the rotary connecting rod is in transmission connection with a forward and reverse rotating motor; the heat exchange pipeline is fixed on the rotary connecting rod and is connected with an external refrigerant pipeline.
Preferably, the ice storage tank body sequentially comprises an ice storage tank shell, a heat preservation layer and an ice storage tank inner container from outside to inside, and the ice warming and cold storage material, the rotary connecting rod and the heat exchange pipeline are all arranged in the ice storage tank inner container.
Preferably, the rotary connecting rod is arranged at the axis position of the ice storage tank and connected with the top of the ice storage tank through a sealing rotating shaft, the bottom end of the rotary connecting rod is connected with the rotating disk, and the bottom of the rotating disk is fixed with the inner container of the ice storage tank.
Preferably, the warm ice cold accumulation material is tetrabutylammonium bromide aqueous solution, the mass concentration of the solution is 20-25%, and the phase change temperature is 4 ℃. The output temperature of the cold source of the corresponding refrigerator can be set to be 0 ℃, and compared with the traditional ice storage device, the energy efficiency of the refrigerator is effectively improved. Further preferably, the warm ice cold accumulation material is filled in the inner container of the ice accumulation tank, and 10% of space is reserved at the top part of the inner container to be used as expansion allowance.
Preferably, the heat exchange pipeline comprises an inlet main pipe, an outlet main pipe and a plurality of branch pipes, the upper ends of the inlet main pipe and the outlet main pipe are open, the bottom ends of the inlet main pipe and the outlet main pipe are sealed, and the open ends of the inlet main pipe and the outlet main pipe extend out of the top of the ice storage tank to be communicated with the refrigerant pipeline; the branch pipes are distributed from the top of the ice storage tank to the bottom of the ice storage tank at equal intervals, the branch pipes are C-shaped, the inlet ends of the branch pipes are respectively communicated with the inlet main pipe, and the outlet ends of the branch pipes are respectively communicated with the outlet main pipe, so that a plurality of closed circulation branches are formed.
Preferably, the inlet main pipe, the outlet main pipe and the rotary connecting rod are fixed through welding, the heat exchange pipeline is preferably a 304 stainless steel pipe, and the refrigerant pipeline is a metal corrugated pipe.
Preferably, the positive and negative rotation angles of the positive and negative rotation motor are both 180 degrees, the clockwise rotation is firstly 180 degrees, then the anticlockwise rotation is 180 degrees in the working process, the reciprocating is carried out in a circulating way, and the preferred frequency is 0.5 Hz.
Preferably, the level gauge is installed to the ice storage tank outer wall, through liquid level change monitoring ice storage rate, the level gauge has signal teletransmission function, the remote control of being convenient for.
During ice storage, a refrigerant flows through the heat exchange pipeline, and during the ice storage process, the forward and reverse rotating motor is started, rotates clockwise 180 degrees firstly, then rotates anticlockwise 180 degrees, and reciprocates in this way. Through the disturbance, improve the heat transfer rate on the one hand, on the other hand is favorable to promoting cold-storage material crystallization and dispersion even. The liquid level height is monitored by the liquid level meter, and the forward and reverse rotating motor is turned off after the ice storage rate is set, so that the refrigerant circulation is stopped. The principle of the ice melting process is the same as that of the ice storage process, and the description is not repeated here.
Compared with the prior art, the invention has the following beneficial effects:
the ice cold storage device can improve the refrigerating temperature of the refrigerator based on the warm ice cold storage material so as to improve the overall energy efficiency of the system, and the heat exchange pipeline can rotate forwards and backwards in the ice storage tank so as to promote the crystallization of the cold storage material and prevent the crystallized cold storage material from being bonded on the heat exchange pipeline to influence the heat exchange effect. The invention has simple and compact structure and high heat exchange efficiency, can be assembled in a modularization way and adapts to the application requirements of different scenes.
The ice cold storage device can store wind, light and electricity, low-price off-peak electricity and other energy sources, can be widely applied to the fields of power peak regulation, cold supply and the like, and has very wide market prospect.
Drawings
Fig. 1 is a schematic structural diagram of an incomplete freezing type ice storage device according to an embodiment of the present invention.
Fig. 2 is a sectional side view of an ice thermal storage device according to an embodiment of the present invention.
In the figure: 1-an ice storage tank, 11-an ice storage tank shell, 12-an ice storage tank inner container, 13-a heat insulation layer, 2-a rotary connecting rod, 3-a heat exchange pipeline, 31-an inlet main pipe, 32-an outlet main pipe, 33-a branch pipe, 4-a positive and negative rotation motor, 5-a liquid level meter, 6-a sealed rotating shaft, 7-a rotating disc and 8-a warm ice cold accumulation material.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting. Furthermore, the terms "first", "second", etc. 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, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, the incomplete freezing type ice storage device comprises an ice storage tank 1 with a warm ice storage material 8 inside, wherein a rotary connecting rod 2, a heat exchange pipeline 3 and a positive and negative rotation motor 4 are arranged on the ice storage tank 1; the rotary connecting rod 2 penetrates through the ice storage tank 1 and is rotatably connected with the top and the bottom of the ice storage tank 1, and the top of the rotary connecting rod 2 is in transmission connection with the forward and reverse rotating motor 4; the heat exchange pipeline 3 is fixed on the rotary connecting rod 2 and is connected with an external refrigerant pipeline.
The ice storage tank 1 comprises an ice storage tank shell 11, a heat preservation layer 13 and an ice storage tank inner container 12 from outside to inside, and the warm ice and cold storage material 8, the rotary connecting rod 2 and the heat exchange pipeline 3 are arranged in the ice storage tank inner container 12. The rotary connecting rod 2 is arranged at the axis position of the ice storage tank 1 and is connected with the top of the ice storage tank 1 through a sealing rotating shaft 6, the bottom end of the rotary connecting rod 2 is connected with a rotary disk 7, and the bottom of the rotary disk 7 is fixed with an ice storage tank inner container 12.
In the embodiment, the warm ice cold storage material 8 is prepared by selecting 25% tetrabutylammonium bromide aqueous solution by mass concentration, the phase change temperature of the tetrabutylammonium bromide aqueous solution is 4 ℃, the tetrabutylammonium bromide aqueous solution is filled in the inner container 12 of the ice storage tank, and 10% of space is reserved at the top part of the inner container to be used as expansion allowance. The output temperature of the cold source of the corresponding refrigerator is set to be 0 ℃, and compared with the traditional ice storage device, the energy efficiency of the refrigerator is effectively improved.
As shown in fig. 2, the heat exchange pipeline 3 of the present embodiment includes an inlet main pipe 31, an outlet main pipe 32, and a plurality of branch pipes 33; the upper ends of the inlet main pipe 31 and the outlet main pipe 32 are open, the bottom ends of the inlet main pipe 31 and the outlet main pipe 32 are sealed, the inlet main pipe 31 and the outlet main pipe 32 are fixed with the rotary connecting rod 2 through welding, the open ends of the inlet main pipe 31 and the outlet main pipe 32 extend out of the top of the ice storage tank to be communicated with a refrigerant pipeline (not shown in the figure), the heat exchange pipeline 3 is made of 304 stainless steel pipes, and the refrigerant pipeline is made of metal corrugated pipes; the branch pipes 33 are arranged from the top of the ice storage tank 1 to the bottom of the ice storage tank 1 at equal intervals, the branch pipes 33 are C-shaped, the inlet ends of the branch pipes 33 are respectively communicated with the inlet main pipe 31, and the outlet ends of the branch pipes 33 are respectively communicated with the outlet main pipe 32, so that a plurality of closed circulation branches are formed.
In the embodiment, the forward and reverse rotation angles of the forward and reverse rotation motor 4 are both 180 degrees, the rotating connecting rod 2 can be driven to rotate clockwise 180 degrees first and then rotate anticlockwise 180 degrees, the reciprocating operation is carried out in a circulating mode, and the frequency is 0.5 Hz.
This embodiment level gauge 5 is installed to 1 outer wall of ice-storage tank, through the liquid level change monitoring ice-storage rate, level gauge 5 has the signal teletransmission function.
In the ice storage process of the ice storage device of the embodiment, the refrigerant flows in through the inlet main pipe 31, is distributed to the branch pipes 33 of each layer, and then converges to the outlet main pipe 42 to flow out. In the process, the forward and reverse rotation motor 4 is started, rotates clockwise 180 degrees firstly, then rotates anticlockwise 180 degrees, and reciprocates in the same way. Through the disturbance, improve the heat transfer rate on the one hand, on the other hand is favorable to promoting cold-storage material crystallization and dispersion even. The liquid level height is monitored by the liquid level meter 5, the forward and reverse rotating motor 4 is turned off after the ice storage rate is set, and the refrigerant circulation is stopped. The principle of the ice melting process is the same as that of the ice storage process, and the description is not repeated here.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An incomplete freezing type ice cold storage device is characterized by comprising an ice storage tank (1) internally provided with a warm ice cold storage material (8), wherein the ice storage tank is provided with a rotary connecting rod (2), a heat exchange pipeline (3) and a positive and negative rotation motor (4); the rotary connecting rod (2) penetrates through the ice storage tank and is rotatably connected with the top and the bottom of the tank body of the ice storage tank (1), and the rotary connecting rod (2) is in transmission connection with a forward and reverse rotating motor (4); the heat exchange pipeline (3) is fixed on the rotary connecting rod (2) and is connected with an external refrigerant pipeline.
2. The incomplete freezing type ice storage device according to claim 1, wherein the tank body of the ice storage tank (1) comprises an ice storage tank outer shell (11), a heat preservation layer (13) and an ice storage tank inner container (12) from outside to inside in sequence, and the warm ice storage material (8), the rotary connecting rod (2) and the heat exchange pipeline (3) are all arranged in the ice storage tank inner container (12).
3. The incomplete freezing type ice storage device according to claim 2, wherein the rotary connecting rod (2) is arranged at the axis position of the ice storage tank (1), the rotary connecting rod is connected with the top of the ice storage tank (1) through a sealing rotary shaft (6), the bottom end of the rotary connecting rod (2) is connected with a rotary disk (7), and the bottom of the rotary disk (7) is fixed with the inner container (12) of the ice storage tank.
4. The incomplete freezing type ice thermal storage device according to claim 1, wherein the warm ice thermal storage material (8) is tetrabutylammonium bromide aqueous solution, the mass concentration of which is 20-25%, and the phase transition temperature is 4 ℃.
5. The incomplete freezing type ice storage device according to claim 1, wherein the heat exchange pipeline (3) comprises an inlet main pipe (31), an outlet main pipe (32) and a plurality of branch pipes (33), the upper ends of the inlet main pipe (31) and the outlet main pipe (32) are open, the bottom ends of the inlet main pipe and the outlet main pipe are sealed, and the open ends of the inlet main pipe (31) and the outlet main pipe (32) extend out of the top of the ice storage tank (1) to be communicated with the refrigerant pipeline; the branch pipes (33) are distributed at equal intervals from the top of the ice storage tank (1) to the bottom of the ice storage tank (1), and the branch pipes (33) are C-shaped; the inlet ends of the branch pipes (33) are respectively communicated with the inlet main pipe (31), and the outlet ends of the branch pipes are respectively communicated with the outlet main pipe (32), so that a plurality of closed circulation branches are formed.
6. The partial freeze ice storage device of claim 1, wherein the refrigerant line is a metal bellows.
7. The partial freezing ice storage device according to claim 1, wherein the forward and reverse rotation angles of the forward and reverse rotation motor (4) are both 180 ° and the frequency is 0.5 Hz.
8. The incomplete freezing type ice storage device according to claim 1, wherein a liquid level meter (5) is installed on the outer wall of the ice storage tank (1), and the liquid level meter (5) has a signal remote transmission function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110992568.6A CN113865397A (en) | 2021-08-27 | 2021-08-27 | Incompletely freeze formula ice cold storage device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110992568.6A CN113865397A (en) | 2021-08-27 | 2021-08-27 | Incompletely freeze formula ice cold storage device |
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| CN113865397A true CN113865397A (en) | 2021-12-31 |
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| CN202110992568.6A Pending CN113865397A (en) | 2021-08-27 | 2021-08-27 | Incompletely freeze formula ice cold storage device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR970055628U (en) * | 1996-03-30 | 1997-10-13 | 김완규 | Heat exchanger of ice storage air conditioner |
| CN1786599A (en) * | 2005-10-14 | 2006-06-14 | 中国科学院广州能源研究所 | Air conditioning system of hydrate high temp. ice ball type cold storing |
| CN101235995A (en) * | 2007-01-29 | 2008-08-06 | 湖南人文科技学院 | Hot pipe solar air-conditioner system |
| CN207300013U (en) * | 2017-09-20 | 2018-05-01 | 东营市润泽新材料有限公司 | A kind of new type heat exchanger |
| CN108801025A (en) * | 2018-06-20 | 2018-11-13 | 安徽南国机电科技发展有限公司 | One kind being distributed controllable type ice-melt cold-exchange based on multichannel |
| CN109381881A (en) * | 2018-12-17 | 2019-02-26 | 广东上典环境保护工程有限公司 | A kind of good antiscale property cryogenic vaporization systems and method |
| CN110436513A (en) * | 2018-05-05 | 2019-11-12 | 温州信尔龙机械有限公司 | The continuous evaporative crystallization production technology and its power-economizing method of monohydrate zinc sulphate |
| CN111795591A (en) * | 2020-06-23 | 2020-10-20 | 倪浩 | Heat exchange container |
| CN112432531A (en) * | 2020-12-04 | 2021-03-02 | 福州百鑫德电子科技有限公司 | Rolling equal-row type heat exchanger equipment |
| CN212721043U (en) * | 2020-06-17 | 2021-03-16 | 滨州宏旭生物化学有限公司 | Hydroxylamine disulfonate rapid cooling device for acetaldehyde oxime production |
-
2021
- 2021-08-27 CN CN202110992568.6A patent/CN113865397A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970055628U (en) * | 1996-03-30 | 1997-10-13 | 김완규 | Heat exchanger of ice storage air conditioner |
| CN1786599A (en) * | 2005-10-14 | 2006-06-14 | 中国科学院广州能源研究所 | Air conditioning system of hydrate high temp. ice ball type cold storing |
| CN101235995A (en) * | 2007-01-29 | 2008-08-06 | 湖南人文科技学院 | Hot pipe solar air-conditioner system |
| CN207300013U (en) * | 2017-09-20 | 2018-05-01 | 东营市润泽新材料有限公司 | A kind of new type heat exchanger |
| CN110436513A (en) * | 2018-05-05 | 2019-11-12 | 温州信尔龙机械有限公司 | The continuous evaporative crystallization production technology and its power-economizing method of monohydrate zinc sulphate |
| CN108801025A (en) * | 2018-06-20 | 2018-11-13 | 安徽南国机电科技发展有限公司 | One kind being distributed controllable type ice-melt cold-exchange based on multichannel |
| CN109381881A (en) * | 2018-12-17 | 2019-02-26 | 广东上典环境保护工程有限公司 | A kind of good antiscale property cryogenic vaporization systems and method |
| CN212721043U (en) * | 2020-06-17 | 2021-03-16 | 滨州宏旭生物化学有限公司 | Hydroxylamine disulfonate rapid cooling device for acetaldehyde oxime production |
| CN111795591A (en) * | 2020-06-23 | 2020-10-20 | 倪浩 | Heat exchange container |
| CN112432531A (en) * | 2020-12-04 | 2021-03-02 | 福州百鑫德电子科技有限公司 | Rolling equal-row type heat exchanger equipment |
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