Partition plate type temperature stratification heat storage water tank

Abstract

The utility model discloses a partition plate type temperature stratification heat storage water tank which comprises a heat storage tank body, a heat preservation partition plate is arranged in the heat storage tank body, an inner cavity of the heat storage tank body is divided into an upper inner cavity and a lower inner cavity by the heat preservation partition plate, the side wall of the heat storage tank body is communicated with a pipeline, and the heat preservation partition plate is a vertical lifting plate. A water distribution structure is arranged in the lower inner cavity, the water return pipe is communicated with the water distribution structure, a water absorption structure is arranged in the upper inner cavity, and the heat supply pipe is communicated with the water absorption structure. The inner cavity of the heat storage tank body can be divided through the heat preservation partition plate which vertically ascends and descends, so that mixing of cold water and hot water in the heat storage water tank is reduced, the water absorption and water supplement process is more uniform and stable through the water distribution structure and the water absorption structure, heat loss can be effectively reduced, and the heat storage efficiency of the heat storage water tank is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric heat storage, and in particular relates to a baffle-type temperature-stratified water storage tank. Background Art

[0002] Electric thermal storage heating system has many advantages such as environmental protection, high efficiency, energy saving and safety, and has attracted more and more attention. Electric thermal storage heating system is a complex system integrating production, storage, transmission, distribution and use, which has an additional storage link compared with conventional heating system. How to achieve efficient heat storage is crucial to improving the energy utilization and economy of the system and ensuring the safe operation of the system while ensuring the heating demand is met.

[0003] However, the existing hot water storage tank technology also has some shortcomings. Most of the existing hot water storage tanks are hybrid hot water storage tanks, which have no effective heat storage stratification measures. During operation, cold and hot water are seriously mixed, and the water temperature is almost uniform. During the mixing process, high-temperature water irreversibly transfers heat to low-temperature water, resulting in energy loss.

[0004] Chinese Patent 201820337546.X, a stratified electric heat storage tank with graded water storage, discloses a stratified water tank, but the water tank is externally stratified by a water distributor and cannot effectively perform stratified heat storage. Summary of the invention

[0005] The utility model is proposed to solve the problems existing in the prior art, and its purpose is to provide a baffle-type temperature stratified water storage tank.

[0006] The technical solution of the utility model is: a baffle-type temperature stratified water storage tank, comprising a heat storage tank body, wherein a heat insulation baffle is arranged inside the heat storage tank body, wherein the heat insulation baffle divides the inner cavity of the heat storage tank body into an upper inner cavity and a lower inner cavity, wherein the side wall of the heat storage tank body is connected with a pipeline, and the heat insulation baffle is a vertical lifting plate.

[0007] Furthermore, the pipeline includes a return pipe, a heat storage pipe, a heat supply pipe, and a water outlet pipe, and the return pipe, heat storage pipe, heat supply pipe, and water outlet pipe are all connected to the heat storage box through a pipe connection seat.

[0008] Furthermore, a water distribution structure is provided in the lower inner cavity, and the water return pipe is connected to the water distribution structure.

[0009] Furthermore, the water distribution structure is provided with water distribution holes, the water distribution holes are distributed in an array, and the water distribution holes face the thermal insulation baffle.

[0010] Furthermore, a water absorption structure is provided in the upper inner cavity, and the heating pipe is connected to the water absorption structure.

[0011] Furthermore, the water absorption structure is provided with water absorption holes, the water absorption holes are distributed in an array, and the water absorption holes face the heat preservation baffle.

[0012] Furthermore, a longitudinal slide groove is formed in two opposite side walls of the heat storage box body, and a sliding protrusion is correspondingly formed on the outer side wall of the thermal insulation partition. The sliding protrusion is clearance-matched with the longitudinal slide groove, and the sliding protrusion slides vertically along the longitudinal slide groove.

[0013] Furthermore, the heat supply pipe is located at the top of one side of the heat storage tank, and the return pipe is located at the bottom of the opposite side of the heat storage tank.

[0014] Furthermore, a driving component is provided on the top of the heat storage box, and the driving component drives the heat preservation partition to rise.

[0015] The beneficial effects of the utility model are as follows:

[0016] The utility model can divide the inner cavity of the heat storage box body through the vertically rising and falling insulation partition, thereby reducing the mixing of cold and hot water in the hot water storage tank, and the water absorption and water replenishment processes are made more uniform and stable through the water distribution structure and the water absorption structure. The utility model can effectively reduce the heat loss and improve the heat storage efficiency of the hot water storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the pipe connection seat in the utility model;

[0019] Figure 3 It is a top view of the water distribution structure in the utility model;

[0020] Figure 4 It is a top view of the water absorption structure in the utility model;

[0021] Figure 5 It is a driving schematic diagram of the driving motor in the utility model;

[0022] in:

[0023] 1 Heat storage box 2 Pipe connection seat

[0024] 3 Insulation partition 4 Longitudinal chute

[0025] 5First solenoid valve 6Second solenoid valve

[0026] 7Third solenoid valve 8Fourth solenoid valve

[0027] 9 return pipe 10 heat storage pipe

[0028] 11 Heating pipe 12 Water outlet pipe

[0029] 13 Box wall sealing groove 14 Water pipe

[0030] 15 Outer flange 16 Inner flange

[0031] 17 End sealing groove 18 Water distribution structure

[0032] 19 Water distribution hole 20 Water distribution branch pipe

[0033] 21 Water distribution main pipe 22 Water suction hole

[0034] 23 Suction branch pipe 24 Suction main pipe

[0035] 25 water absorption structure 26 driving motor. DETAILED DESCRIPTION

[0036] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and embodiments:

[0037] like Figures 1 to 5 As shown, a baffle-type temperature-stratified water storage tank comprises a heat storage tank body 1, wherein a heat-insulating baffle 3 is arranged inside the heat storage tank body 1, wherein the heat-insulating baffle 3 divides the inner cavity of the heat storage tank body 1 into an upper inner cavity and a lower inner cavity, wherein the side wall of the heat storage tank body 1 is connected to a pipeline, and the heat-insulating baffle 3 is a vertical lifting plate.

[0038] The pipeline includes a return pipe 9, a heat storage pipe 10, a heat supply pipe 11, and a water outlet pipe 12. The return pipe 9, the heat storage pipe 10, the heat supply pipe 11, and the water outlet pipe 12 are all connected to the heat storage box 1 through a pipe connection seat 2.

[0039] A water distribution structure 18 is provided in the lower inner cavity, and the water return pipe 9 is connected to the water distribution structure 18 .

[0040] The water distribution structure 18 is provided with water distribution holes 19 , which are distributed in an array and face the heat-insulating baffle 3 .

[0041] A water absorption structure 25 is provided in the upper inner cavity, and the heating pipe 11 is connected to the water absorption structure 25 .

[0042] The water absorption structure 25 is provided with water absorption holes 22 . The water absorption holes 22 are distributed in an array and face the heat preservation baffle 3 .

[0043] A longitudinal slide groove 4 is formed in two opposite side walls of the heat storage box 1, and a sliding protrusion is correspondingly formed on the outer side wall of the heat preservation partition 3. The sliding protrusion is clearance-matched with the longitudinal slide groove 4, and the sliding protrusion slides vertically along the longitudinal slide groove 4.

[0044] The heat supply pipe 11 is located at the top of one side of the heat storage tank 1 , and the water return pipe 9 is located at the bottom of the opposite side of the heat storage tank 1 .

[0045] A driving assembly is provided on the top of the heat storage box 1, and the driving assembly drives the heat preservation partition 3 to rise.

[0046] Specifically, Figure 1 As shown, the return pipe 9 and the heat storage pipe 10 are connected to one side of the heat storage tank 1, and the heat supply pipe 11 and the water outlet pipe 12 are connected to the opposite side of the heat storage tank 1. In the vertical direction, the heat storage pipe 10 and the heat supply pipe 11 are located at the upper part of the heat storage tank 1, and the return pipe 9 and the water outlet pipe 12 are located at the upper part of the heat storage tank 1.

[0047] Specifically, the return pipe 9, the heat storage pipe 10, the heat supply pipe 11, and the water outlet pipe 12 are all connected to the pipe connection seat 2 in the heat storage box 1, so as to ensure the airtightness of the heat storage box 1 at the connection.

[0048] Specifically, a first solenoid valve 5 is provided in the return pipe 9, a second solenoid valve 6 is provided in the heat storage pipe 10, a third solenoid valve 7 is provided in the heat supply pipe 11, and a fourth solenoid valve 8 is provided in the outlet pipe 12. By controlling the first solenoid valve 5, the second solenoid valve 6, the third solenoid valve 7, and the fourth solenoid valve 8, the opening and closing and flow rate of the corresponding pipelines are controlled.

[0049] Specifically, the longitudinal slide groove 4 is arranged in the opposite inner side wall of the above-mentioned heat storage box body 1.

[0050] Specifically, Figure 2 As shown, the pipe connection seat 2 includes a water pipe 14, a through hole is formed in the side wall of the heat storage box 1, and a box wall sealing groove 13 is provided in the through hole. After the water pipe 14 passes through the above-mentioned through hole, the water pipe 14 and the heat storage box 1 are sealed by the box wall sealing groove 13 and the sealing ring therein.

[0051] Specifically, an inner flange 16 is provided at one end of the water pipe 14 in the heat storage tank 1, and an outer flange 15 is provided at one end of the water pipe 14 outside the heat storage tank 1. The ends of the inner flange 16 and the outer flange 15 form an end sealing groove 17, and the end sealing groove 17 is annular, and the pipes are connected through the flange holes, and the sealing of the connection is achieved through the end sealing groove 17.

[0052] Specifically, Figure 3 As shown, the water distribution structure 18 includes a water distribution main pipe 21, and the water distribution main pipe 21 is connected to a plurality of water distribution branch pipes 20. The water distribution branch pipes 20 are provided with water distribution holes 19, and the water distribution holes 19 face the thermal insulation partition 3.

[0053] Specifically, the water distribution branch pipes 20 are connected in parallel to the water distribution main pipe 21, the water distribution holes 19 in a single water distribution branch pipe 20 are arranged at equal intervals, and the parallel water distribution branch pipes 20 are arranged at equal intervals, thereby forming an array-type distribution of water distribution holes 19.

[0054] Specifically, Figure 4 As shown, the water absorption structure 25 includes a water absorption main pipe 24 , which is connected to a plurality of water absorption branch pipes 23 , and water absorption holes 22 are provided in the water absorption branch pipes 23 , and the water absorption holes 22 face the heat preservation partition 3 .

[0055] Specifically, the water absorption branch pipes 23 are connected in parallel to the water absorption main pipe 24 , the water absorption holes 22 in a single water absorption branch pipe 23 are arranged at equal intervals, and the parallel water absorption branch pipes 23 are arranged at equal intervals, thereby forming an array-type distribution of the water absorption holes 22 .

[0056] Specifically, Figure 5 As shown, a driving motor seat is provided on the top of the heat storage box 1, and a driving motor 26 is provided in the driving motor seat. The output shaft of the driving motor 26 is connected to a winch. A stranded wire is wound in the winch, and the stranded wire passes through the top of the heat storage box 1 and is connected to the thermal insulation partition 3. The rotation of the winch can drive the thermal insulation partition 3 to rise, and the thermal insulation partition 3 can be lowered by the deadweight of the thermal insulation partition 3 and the defense line of the winch.

[0057] Specifically, the diameter of the water distribution hole 19 gradually increases as the distance from the water distribution branch pipe 20 to the water inlet increases.

[0058] Specifically, the diameter of the water suction hole 22 gradually increases as the distance from the water suction branch pipe 23 to the water inlet increases.

[0059] Specifically, the water distribution structure 18 and the water absorption structure 25 are both single-layer structures.

[0060] Specifically, the longitudinal chute 4 is connected to the heat storage tank 1 by welding, the highest point of the longitudinal chute 4 is located below the upper heat storage tube 10 and the heat supply tube 11 of the heat storage tank 1, and the lowest point of the longitudinal chute 4 is located above the return pipe 9 and the outlet pipe 12 at the bottom of the heat storage tank 1.

[0061] Specifically, the weight of the thermal insulation board 3 is greater than the buoyancy of the thermal insulation board 3 in the water tank when the water tank is full of water.

[0062] Specifically, temperature sensors are provided above and below the heat-insulating baffle 3. According to the medium temperature required in actual application, the motor device on the top of the water tank is controlled by the signal given by the temperature sensor to drive the baffle to slide up and down in the water tank.

[0063] Specifically, the heat storage tank 1 changes the cold and hot water storage capacity in stages, and the specific process is as follows:

[0064] The entire heat storage process is divided into several stages, and the operation control is comprehensively considered. When the amount of hot water required by the user is large, the thermal insulation partition is located at the bottom of the slide rail, and more hot water is stored in the hot water storage tank for heat storage. At this time, the first solenoid valve 5 on the return pipe 9 at the bottom of the water tank is opened, and the return pipe 9 is connected to the water supply pipe for water supply. The third solenoid valve 7 on the heating pipe 11 at the upper part of the water tank is opened, and hot water is supplied to the user by the circulating water pump. As the amount of hot water used gradually increases, the hot water in the upper part of the water tank gradually decreases, and the cold water in the lower part of the water tank gradually increases. The thermal insulation partition 3 is controlled to move up. When the amount of cold water added in the water tank is large, the partition reaches the top of the slide rail and no longer moves. The amount of hot water cannot meet the user's demand, the first solenoid valve 5 at the lower part of the water tank and the third solenoid valve 7 at the upper part of the water tank are closed, and the fourth solenoid valve 8 on the lower water outlet pipe 12 of the water tank and the second solenoid valve 6 on the heat storage pipe 10 at the upper part of the water tank are opened. The cold water in the lower layer of the water tank can be pumped out and sent back to the upper layer of the water tank after being heated by the equipment. The thermal insulation partition 3 is controlled to move down, and the circulation heat storage is continued to meet the user's hot water demand. When the hot water storage tank is full of hot water, but the hot water temperature is not high enough to meet the usage requirements and secondary heating is required, the thermal insulation baffle 3 is raised to the top of the longitudinal chute 4 through the control device in the water tank, and the fourth solenoid valve 8 on the water outlet pipe 12 at the bottom of the water tank and the second solenoid valve 6 on the heat storage pipe 10 at the top of the water tank are opened for secondary heat storage.

[0065] Each water storage capacity working condition design of the hot water storage tank ensures that the water tank is in a full water state, the water output and the water replenishment amount are the same, the heat storage pipe 10 and the heat supply pipe 11 are always guaranteed to be located below the stage water storage liquid level, the first solenoid valve 5 on the return pipe 9 controls the opening and closing of the pipe where it is located, the second solenoid valve 6 on the heat storage pipe 10 controls the opening and closing of the pipe where it is located, the third solenoid valve 7 on the heat supply pipe 11 controls the opening and closing of the pipe where it is located, and the fourth solenoid valve 8 on the outlet pipe 12 controls the opening and closing of the pipe where it is located, thereby realizing the change of the hot and cold water storage capacity at different stages in the electric hot water storage tank.

[0066] The function of the water distribution structure 18 is to guide the water at the inlet to enter the hot water storage tank evenly and slowly. The function of the water absorption structure 25 is to absorb water evenly and slowly from the hot water storage tank. The uneven distribution of the water tank temperature during the operation of the hot water storage tank is reduced by the cooperation of the water distribution structure and the water absorption structure, so as to realize the stratified operation of the hot water storage tank.

[0067] When the electric water storage tank is storing heat, hot water is pumped from the bottom of the water storage tank by the circulating water pump through the outlet pipe 12, and the cold water is heated and sent back to the upper part of the water storage tank through the heat storage pipe 10. When releasing heat, the heating circulation pump pumps water from the upper part of the water storage tank through the heating pipe 11 and the water absorption structure connected thereto and sends it to the user, while the return pipe 9 at the bottom of the water tank replenishes water.

[0068] The utility model can divide the inner cavity of the heat storage box body through the vertically rising and falling insulation partition, thereby reducing the mixing of cold and hot water in the hot water storage tank, and the water absorption and water replenishment processes are made more uniform and stable through the water distribution structure and the water absorption structure. The utility model can effectively reduce the heat loss and improve the heat storage efficiency of the hot water storage tank.

Claims

1. A baffle-type temperature-stratified water storage tank, comprising a heat storage tank body (1), characterized in that: A heat-insulating baffle (3) is arranged inside the heat storage box (1), the heat-insulating baffle (3) divides the inner cavity of the heat storage box (1) into an upper inner cavity and a lower inner cavity, the side wall of the heat storage box (1) is connected to a pipeline, and the heat-insulating baffle (3) is a vertical lifting plate; The pipeline comprises a water return pipe (9), a heat storage pipe (10), a heat supply pipe (11), and a water outlet pipe (12); the water return pipe (9), the heat storage pipe (10), the heat supply pipe (11), and the water outlet pipe (12) are all connected to the heat storage box (1) via a pipe connection seat (2); The return pipe (9) and the heat storage pipe (10) are in communication with one side of the heat storage tank (1), and the heat supply pipe (11) and the water outlet pipe (12) are in communication with the opposite side of the heat storage tank (1); in the vertical direction, the heat storage pipe (10) and the heat supply pipe (11) are located at the upper part of the heat storage tank (1), and the return pipe (9) and the water outlet pipe (12) are located at the upper part of the heat storage tank (1); The pipe connection seat (2) comprises a water pipe (14); a through hole is formed in the side wall of the heat storage box (1); a box wall sealing groove (13) is provided in the through hole; after the water pipe (14) passes through the through hole, the water pipe (14) and the heat storage box (1) are sealed by the box wall sealing groove (13) and the sealing ring therein; A water distribution structure (18) is provided in the lower inner cavity; The water distribution structure (18) comprises a water distribution main pipe (21), the water distribution main pipe (21) being in communication with a plurality of water distribution branch pipes (20), the water distribution branch pipes (20) being provided with water distribution holes (19), the water distribution holes (19) facing the heat-insulating baffle (3); A water absorption structure (25) is provided in the upper inner cavity; The water absorption structure (25) comprises a water absorption main pipe (24), wherein the water absorption main pipe (24) is connected to a plurality of water absorption branch pipes (23), and water absorption holes (22) are provided in the water absorption branch pipes (23), and the water absorption holes (22) face the heat-insulating baffle (3).

2. A baffle-type temperature-stratified water storage tank according to claim 1, characterized in that: The water return pipe (9) is in communication with the water distribution structure (18).

3. A baffle-type temperature-stratified water storage tank according to claim 2, characterized in that: The water distribution structure (18) is provided with water distribution holes (19), the water distribution holes (19) are distributed in an array, and the water distribution holes (19) face the thermal insulation baffle (3).

4. A baffle-type temperature-stratified water storage tank according to claim 3, characterized in that: The heat supply pipe (11) is in communication with the water absorption structure (25).

5. A baffle-type temperature-stratified water storage tank according to claim 4, characterized in that: The water absorption structure (25) is provided with water absorption holes (22), the water absorption holes (22) are distributed in an array, and the water absorption holes (22) face the heat-insulating baffle (3).

6. The baffle-type temperature-stratified water storage tank according to claim 1, characterized in that: A longitudinal slide groove (4) is formed in two opposite side walls of the heat storage box (1), and a sliding protrusion is correspondingly formed on the outer side wall of the heat insulation partition (3); the sliding protrusion is clearance-matched with the longitudinal slide groove (4), and the sliding protrusion slides vertically along the longitudinal slide groove (4).

7. The baffle-type temperature-stratified water storage tank according to claim 5, characterized in that: The heat supply pipe (11) is located at the top of one side of the heat storage tank (1), and the water return pipe (9) is located at the bottom of the opposite side of the heat storage tank (1).

8. The baffle-type temperature-stratified water storage tank according to claim 6, characterized in that: A driving component is provided on the top of the heat storage box (1), and the driving component drives the heat-insulating partition (3) to rise.

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