CN212057767U - Phase-change water tank with variable heat storage capacity - Google Patents
Phase-change water tank with variable heat storage capacity Download PDFInfo
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- CN212057767U CN212057767U CN202020563241.8U CN202020563241U CN212057767U CN 212057767 U CN212057767 U CN 212057767U CN 202020563241 U CN202020563241 U CN 202020563241U CN 212057767 U CN212057767 U CN 212057767U
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- water tank
- rod
- control device
- energy storage
- inner container
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 238000005338 heat storage Methods 0.000 title claims abstract description 31
- 238000004146 energy storage Methods 0.000 claims abstract description 42
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 239000012782 phase change material Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000007654 immersion Methods 0.000 abstract 1
- 239000012188 paraffin wax Substances 0.000 description 8
- 230000018199 S phase Effects 0.000 description 7
- 230000007704 transition Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a phase-change water tank with variable heat storage capacity, which comprises a shell, an inner container, a water inlet pipeline and a water outlet pipeline; a connecting rod control device is arranged in the liner and comprises a horizontal shaft rod and a vertical shaft rod, sleeves are arranged on the horizontal shaft rod, each sleeve is connected with a motor through a rod piece, the sleeves are connected with a flat plate through connecting rods, energy storage rods filled with phase change materials are uniformly arranged on the flat plate, and fins are arranged outside the energy storage rods; the horizontal shaft rod is provided with a displacement sensor, the inner container is internally provided with a temperature sensor, the shell is provided with a control element, and the control element is respectively and electrically connected with the motor, the temperature sensor and the displacement sensor. The utility model discloses combine fin and energy storage stick in the inner bag, can not only improve heat exchange efficiency, still balanced the temperature distribution and the stress distribution of whole inner bag simultaneously, improved the stability of heat storage water tank work simultaneously, and the degree of depth that utilizes link control device can adjust the energy storage stick immersion water controls the size of water tank heat storage volume.
Description
Technical Field
The utility model relates to a phase change energy storage water tank technical field, more specifically say, relate to a variable heat storage's phase change water tank.
Background
The water tank commonly adopted in the existing heat pump system has overlarge volume, larger occupied area, more required water injection amount and limited energy storage capacity, and meanwhile, the utilization rate of the water tank is generally not high and cannot be controlled according to actual needs; compared with sensible heat energy storage, the phase change energy storage has the advantages of high energy storage density, small volume, constant temperature control, obvious energy-saving effect, wide phase change temperature selection range, easy control and the like; the phase change energy storage technology can solve the problem that the heat energy supply is not matched with the demand, and is an important measure for improving the energy utilization efficiency; in addition, the air temperature is low due to the influence of cold air in winter, the temperature difference between day and night is large, and the load is small in the initial cold period; the load is gradually increased along with the increase of the number of heating days in the severe cold period, and the peak value is reached; the load is gradually reduced in the end cold period. When the load changes, the heat provided by the variable phase change water tank needs to be adjusted correspondingly, but the prior art is difficult to realize.
The paraffin is used as a heat storage medium, the paraffin has the characteristics of high phase change latent heat, almost no supercooling phenomenon, low steam pressure during melting, difficult chemical reaction, good chemical stability, no phase separation, no corrosivity and low cost, has multiple phase change points, and can be applied to a wide range of fields; the heat conductivity of the energy storage unit can be improved by adopting the fins; however, when the good heat storage effect of the phase-change heat storage water tank is fully exerted and the heat storage quantity of the water tank is controllable, the contact degree between hot water entering the phase-change heat storage water tank and a phase-change material in the water tank needs to be controlled so as to achieve the purpose of changing the heat storage quantity of the phase-change water tank; the phase-change water tank manufactured by the prior art cannot meet the actual requirements, and the heat storage efficiency of the water tank is finally influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the prior art, provide a variable heat storage's phase transition water tank, combine fin and energy storage stick in the inner bag organically, can not only improve heat exchange efficiency, still balanced the temperature distribution and the stress distribution of whole inner bag simultaneously, improved the stability in the work of heat storage water tank simultaneously, and utilize connecting rod controlling means can adjust the degree of depth that the energy storage stick soaks water and control the size of water tank heat storage volume.
The purpose of the utility model is realized through the following technical scheme.
The phase-change water tank with variable heat storage capacity comprises a water tank body, wherein the water tank body comprises a shell and an inner container, and the shell is provided with a water inlet pipeline and a water outlet pipeline which are communicated with the inner container; a connecting rod control device is arranged in the inner container and comprises a horizontal shaft rod and a vertical shaft rod, sleeves which horizontally slide along the horizontal shaft rod are arranged on the horizontal shaft rod, each sleeve is connected with a motor through a rod piece, the sleeves are connected with a flat plate which longitudinally moves along the vertical shaft rod through a connecting rod, energy storage rods filled with phase change materials are uniformly arranged on the flat plate, and fins are uniformly arranged on the outer walls of the energy storage rods;
the horizontal shaft lever of the connecting rod control device is provided with a displacement sensor, the inner container is internally provided with a temperature sensor, the shell of the water tank body is provided with a control element, and the control element is electrically connected with the motor, the temperature sensor and the displacement sensor respectively.
And a heat insulation material layer is arranged between the shell and the inner container.
The water inlet pipeline and the water outlet pipeline are both provided with a dirt remover, a check valve, a stop valve and a pressure gauge, and the water outlet pipeline is also provided with a thermometer.
The horizontal shaft rod is fixedly connected with the inner wall of the inner container at the left end and the right end respectively, the top end of the vertical shaft rod is fixedly connected with the inner wall of the inner container, the horizontal shaft rod is provided with two sleeves, and each sleeve is movably connected with a fixing ring arranged at the top of the flat plate through a connecting rod.
The water tank body is provided with a manual control device, the manual control device is connected with the sleeve through a steel rod, and when a control element fails, a handle of the manual control device is rotated to adjust the depth of the energy storage rod immersed in water; wherein the handle of the manual control device is arranged at a position which can be operated by a person.
Compared with the prior art, the utility model discloses a beneficial effect that technical scheme brought is:
(1) the utility model organically combines the fins and the energy storage rod in the inner container, thereby enhancing the heat exchange efficiency and balancing the temperature distribution and the stress distribution of the whole inner container; a fixed expansion gap is reserved between the energy storage rods, so that the stability of the phase change water tank with variable heat storage capacity in working is improved.
(2) The utility model discloses in set up connecting rod controlling means, temperature sensor and displacement sensor, connecting rod controlling means connects and fixes on the inside top of inner bag, through telescopic removal among the change control connecting rod controlling means of temperature, changes the sleeve position, changes the degree of depth that the energy storage stick soaks water.
(3) The utility model discloses in set up manual control device, when control element broke down, this variable heat storage's phase transition water tank still can continue to use. When the electric control fails, the handle can be manually controlled to adjust the depth of the energy storage rod immersed in water.
(4) The utility model discloses the volume is less relatively, and the volume of dashing of the water that needs is less, and it is higher to possess heat-retaining efficiency simultaneously, the longer characteristics of life.
(5) The utility model discloses the heat accumulation is controllable, can be applied to solar photo-thermal system according to heat demand and multiple system adaptation, in systems such as heat pump system and life hot water, can select the suitable paraffin of phase transition point according to the actual demand of system simultaneously. The utilization rate of the catalyst can reach about 70-80%.
Drawings
FIG. 1 is an internal cross-sectional view of a phase change water tank with variable heat storage capacity according to the present invention;
FIG. 2 is a top view of the phase change water tank with variable heat storage capacity;
FIG. 3 is a schematic structural view of the energy storage rod of the present invention;
FIG. 4 is a side view of the phase change water tank of the present invention with variable heat storage capacity;
fig. 5 is a flow chart of the control element of the present invention.
Reference numerals: 1-a dirt separator, 2-a check valve, 3-a pressure gauge, 4-a heat insulation material layer, 5-an inner container, 6-a connecting rod control device, 7-an energy storage rod, 8-a control element, 9-a temperature sensor, 10-a thermometer, 11-a stop valve, 12-a water outlet pipeline, 13-a circulation channel, 14-a shell, 15-a water inlet pipeline, 16-a manual control device, 17-a fin, 18-a flat plate, 19-a fixing ring, 601-a horizontal shaft rod, 602-a vertical shaft rod, 603-a sleeve and 604-a connecting rod.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figure 1, the utility model discloses variable heat storage's phase transition water tank, including the water tank body, the water tank body includes shell 14 and inner bag 5, be provided with insulating material layer 4 between shell 14 and the inner bag 5. A water inlet pipeline 15 communicated with the inside of the inner container 5 is arranged at the height position of the 2/3 side wall of the shell 14, and a water outlet pipeline 12 communicated with the inside of the inner container 5 is arranged at the bottom end of the other side wall of the shell 14. The water inlet pipe 15 and the water outlet pipe 12 are respectively provided with a dirt remover 1, a check valve 2, a stop valve 11 and a pressure gauge 3, and the water outlet pipe 12 is also provided with a thermometer 10. Wherein, dirt separator 1 is used for getting rid of aquatic impurity, and the guarantee system moves unobstructed. The thermometer 10 is used to detect whether the water temperature meets the requirements of the corresponding system.
And a connecting rod control device 6 is arranged in the inner container 5, is connected with the inner container 5 and is fixed at the top end of the inner container 5. The connecting rod control device 6 comprises a horizontal shaft rod 601 and a vertical shaft rod 602, the left end and the right end of the horizontal shaft rod 601 are fixedly connected with the inner wall of the inner container 5 respectively, the top end of the vertical shaft rod 602 is fixedly connected with the inner wall of the inner container 5, and a distance space is reserved between the bottom end of the vertical shaft rod 602 and the inner container 5 and serves as a circulation channel. Two sleeves 603 which horizontally slide along the horizontal shaft 601 are arranged on the horizontal shaft, each sleeve 603 is connected with a motor through a rod, each sleeve 603 is movably connected with a fixing ring 19 arranged at the top of the flat plate 18 through a connecting rod 604, and the flat plate 18 can longitudinally move along the vertical shaft 602.
As shown in fig. 2, the energy storage rods 7 are uniformly arranged on the flat plate 18, and the energy storage rods 7 are orderly connected by a large flat plate, so that the actual operation of the water tank is facilitated. As shown in fig. 3, a phase change material is filled in the energy storage rod 7, and fins 17 are uniformly arranged on the outer wall of the energy storage rod 7 to improve the heat exchange efficiency. The shell of the energy storage rod 7 is made of a polyethylene material, the phase change material inside the energy storage rod 7 is paraffin, the phase change point of the paraffin is 40-45 ℃, and the paraffin is fully distributed in the energy storage rod 7 to the 2/3 capacity of the paraffin, so that a certain margin is reserved in the space of the energy storage rod 7 when phase change occurs, and the energy storage rod 7 is prevented from being damaged when the phase change occurs. The fins 17 are made of metal materials and have good heat conductivity. The link control means 6 and the plate 18 are both made of steel.
A displacement sensor is arranged on a horizontal shaft rod 601 of the connecting rod control device 6, a temperature sensor 9 is arranged in the inner container 5, a control element 8 is arranged on the shell of the water tank body, and the control element 8 is electrically connected with the motor, the temperature sensor 9 and the displacement sensor respectively. When the temperature sensed by the probe of the temperature sensor 9 is transmitted to the control element 8, the control element 8 transmits a signal to the displacement sensor, so that the movement of the sleeve 603 in the connecting rod control device 6 is controlled, the position of the sleeve 603 is changed, and the depth of the energy storage rod 7 immersed in water is further changed.
As shown in fig. 4, the water tank body is provided with a manual control device 16, the manual control device 16 is connected with a sleeve 603 through a steel rod, and when the control element 8 fails, a handle of the manual control device 16 is rotated to adjust the depth of the energy storage rod 7 immersed in water. Wherein the handle of the manual control device 16 is arranged at a position which can be operated by a person, and the manual control device 16 is made of steel material.
The utility model discloses variable heat storage's phase transition water tank's theory of operation:
as shown in fig. 5, when the temperature of the water in the phase change water tank liner 5 is lower than 40 ℃, the connecting rod control device 6 is started to immerse the energy storage rod 7 in the water. When heat is stored, heat exchange is carried out between water and the energy storage rod 7, and the paraffin in the energy storage rod 7 is subjected to phase change after heat absorption so as to store heat; when the heat is released, the phase change material in the energy storage rod 7 changes phase and releases the heat when the temperature of the water in the inner container 5 is reduced to be lower than the temperature of the phase change point of the phase change material in the energy storage rod 7. When the water temperature in the phase change water tank inner container 5 exceeds 45 ℃, the connecting rod control device 6 resets. When the control element 8 fails, the manual control device 16 can be appropriately adjusted according to the reading of the thermometer 10 on the water outlet pipe 12 to control the depth of the energy storage rod 7 immersed in water.
The utility model discloses variable heat storage's phase transition water tank needs to satisfy following requirement:
the utility model discloses variable heat storage's phase transition water tank, when the construction, the top that needs guarantee connecting rod controlling means 6 is closely fixed with inner bag 5 of water tank. The electricity meter of the control element 8 must be placed in a position visually accessible to the person. The temperature sensor 9 probe should be placed in as stable a flow as possible.
Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above specific functions and operations, and the above specific embodiments are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the protection scope of the present invention.
Claims (5)
1. A phase-change water tank with variable heat storage capacity comprises a water tank body, wherein the water tank body comprises a shell (14) and an inner container (5), and is characterized in that the shell (14) is provided with a water inlet pipeline (15) and a water outlet pipeline (12) which are communicated with the inner container (5); a connecting rod control device (6) is arranged in the inner container (5), the connecting rod control device (6) comprises a horizontal shaft rod (601) and a vertical shaft rod (602), sleeves (603) which horizontally slide along the horizontal shaft rod (601) are arranged on the horizontal shaft rod, each sleeve (603) is connected with a motor through a rod piece, the sleeves (603) are connected with a flat plate (18) which longitudinally moves along the vertical shaft rod (602) through connecting rods (604), energy storage rods (7) filled with phase change materials are uniformly arranged on the flat plate (18), and fins (17) are uniformly arranged on the outer wall of each energy storage rod (7);
the horizontal shaft lever (601) of the connecting rod control device (6) is provided with a displacement sensor, the inner container (5) is internally provided with a temperature sensor (9), the shell (14) of the water tank body is provided with a control element (8), and the control element (8) is electrically connected with the motor, the temperature sensor (9) and the displacement sensor respectively.
2. The variable heat storage phase-change water tank as claimed in claim 1, characterized in that a thermal insulation material layer (4) is arranged between the outer shell (14) and the inner container (5).
3. The variable heat storage quantity phase-change water tank as claimed in claim 1, wherein a dirt separator (1), a check valve (2), a stop valve (11) and a pressure gauge (3) are arranged on the water inlet pipeline (15) and the water outlet pipeline (12), and a thermometer (10) is further arranged on the water outlet pipeline (12).
4. The variable heat storage quantity phase-change water tank as claimed in claim 1, wherein the left end and the right end of the horizontal shaft rod (601) are fixedly connected with the inner wall of the inner container (5) respectively, the top end of the vertical shaft rod (602) is fixedly connected with the inner wall of the inner container (5), two sleeves (603) are arranged on the horizontal shaft rod (601), and each sleeve (603) is movably connected with a fixing ring (19) arranged at the top of the flat plate (18) through a connecting rod (604).
5. The phase-change water tank with variable heat storage capacity of claim 1, characterized in that the water tank body is provided with a manual control device (16), the manual control device (16) is connected with the sleeve (603) through a steel rod, and when the control element (8) fails, a handle of the manual control device (16) is rotated to adjust the depth of the energy storage rod (7) immersed in water; wherein the handle of the manual control device (16) is arranged in a position operable by a person.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020563241.8U CN212057767U (en) | 2020-04-16 | 2020-04-16 | Phase-change water tank with variable heat storage capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020563241.8U CN212057767U (en) | 2020-04-16 | 2020-04-16 | Phase-change water tank with variable heat storage capacity |
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| Publication Number | Publication Date |
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| CN212057767U true CN212057767U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020563241.8U Active CN212057767U (en) | 2020-04-16 | 2020-04-16 | Phase-change water tank with variable heat storage capacity |
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| CN (1) | CN212057767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365848A (en) * | 2020-04-16 | 2020-07-03 | 沈阳建筑大学 | Phase-change water tank with variable heat storage capacity |
| CN112710182A (en) * | 2021-01-22 | 2021-04-27 | 沈阳建筑大学 | Energy storage water tank formed by bundling, arranging and guiding phase-change energy storage pipes into S shape |
-
2020
- 2020-04-16 CN CN202020563241.8U patent/CN212057767U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365848A (en) * | 2020-04-16 | 2020-07-03 | 沈阳建筑大学 | Phase-change water tank with variable heat storage capacity |
| CN111365848B (en) * | 2020-04-16 | 2024-04-30 | 沈阳建筑大学 | Phase-change water tank with variable heat storage capacity |
| CN112710182A (en) * | 2021-01-22 | 2021-04-27 | 沈阳建筑大学 | Energy storage water tank formed by bundling, arranging and guiding phase-change energy storage pipes into S shape |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231027 Address after: 116000 No. 14, floor 20, No. 6, Xiuzhu street, Zhongshan District, Dalian City, Liaoning Province Patentee after: Dalian Jianda building energy saving Technology Development Co.,Ltd. Address before: No.25, Hunnan Middle Road, Hunnan District, Shenyang City, Liaoning Province Patentee before: SHENYANG JIANZHU University |