阅读说明：本技术 一种用于供暖领域的储能装置及其储能方法 (Energy storage device and energy storage method for heating field ) 是由 周协峰 于 2021-08-06 设计创作，主要内容包括：本发明公开了一种用于供暖领域的储能装置,包括储能罐,所述储能罐中安装有固定支架,所述固定支架上方和下方分别安装有上布水器和下布水器；所述上布水器和下布水器结构相同,均包括进出水管,所述进出水管连接连接异径管,所述连接异径管连接三通管一端,所述三通管的另外两端连接水流分配管,所述水流分配管连接布水管,所述布水管上开有布水孔。本装置能在同一储罐内不增加机械部件实现储罐内冷热水不混合,提高了储能罐的使用效率,达到节省设备、空间,减小投资成本,减低运行费用；避免了其他储能材料在运行中出现的开裂、粉化、相间分层、过冷等影响使用的问题。(The invention discloses an energy storage device used in the heating field, which comprises an energy storage tank, wherein a fixed support is arranged in the energy storage tank, and an upper water distributor and a lower water distributor are respectively arranged above and below the fixed support; the upper water distributor and the lower water distributor are identical in structure and respectively comprise a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are connected with a reducing pipe, the reducing pipe is connected with one end of a three-way pipe, the other two ends of the three-way pipe are connected with a water distribution pipe, the water distribution pipe is connected with a water distribution pipe, and water distribution holes are formed in the water distribution pipe. The device can realize no mixing of cold and hot water in the storage tank without adding mechanical parts in the same storage tank, thereby improving the use efficiency of the energy storage tank, saving equipment and space, reducing investment cost and lowering operation cost; the problems that other energy storage materials are cracked, pulverized, layered at intervals, supercooled and the like during operation to affect use are avoided.)

1. The utility model provides an energy memory for heating field, includes energy storage jar, its characterized in that: a fixed bracket is arranged in the energy storage tank, and an upper water distributor and a lower water distributor are respectively arranged above and below the fixed bracket;

the upper water distributor and the lower water distributor are identical in structure and respectively comprise a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are connected with a reducing pipe, the reducing pipe is connected with one end of a three-way pipe, the other two ends of the three-way pipe are connected with a water distribution pipe, the water distribution pipe is connected with a water distribution pipe, and water distribution holes are formed in the water distribution pipe.

2. An energy storage device for use in the heating field according to claim 1, wherein: the water distribution pipe is octagon closed structure, the water distribution pipe is equipped with a plurality ofly, and the size grow gradually, and a plurality of water distribution pipe concentric circle suit distribute.

3. An energy storage device for use in the heating field according to claim 2, wherein: the water distribution pipe comprises a first-stage water distribution pipe, the first-stage water distribution pipe is connected with the middle part of a second-stage water distribution pipe through a reducing elbow, the middle part of a third-stage water distribution pipe is connected with the two ends of the second-stage water distribution pipe through a reducing elbow I, the third-stage water distribution pipe is connected with a fourth-stage water distribution pipe through a reducing elbow II, and the fourth-stage water distribution pipe is connected with a water distribution pipe through a reducing pipe I.

4. An energy storage device for use in the heating field according to claim 3, wherein: the four-stage water flow distribution pipe is a multi-channel pipeline and is simultaneously connected with a plurality of water distribution pipes through a reducing pipe I.

5. An energy storage device for use in the heating field according to claim 1, wherein: and a connecting flange is arranged at the inlet of the water inlet and outlet pipe.

6. An energy storage device for use in the heating field according to claim 4, wherein: the water distribution pipes are six, the four-stage water flow distribution pipe is a four-channel pipeline and is respectively connected with a three-stage water flow distribution pipe through a reducing elbow pipe II and three water distribution pipes through a reducing pipe I.

7. An energy storage device for use in the heating field according to claim 1, wherein: the fixed bolster includes outer lane support stand and inner circle support stand, outer lane support stand is equipped with a plurality ofly, distributes along the water-distribution pipe outside in the outside, inner circle support stand is located the interior survey of the most inboard water-distribution pipe, install the outer lane roof beam on the outer lane support stand, outer lane support stand passes through support girder and connects inner circle support stand, support girder mid-mounting has middle ring roof beam, install the inner circle roof beam on the inner circle support stand, outer lane support stand and inner circle support stand are fixed in the bottom of energy storage tank.

8. An energy storage device for use in the heating field according to claim 7, wherein: the outer ring beam, the support main beam, the middle ring beam and the inner ring beam are matched with the outer ring support stand column and the inner ring support stand column to form two fixing layers which are distributed up and down along the outer ring support stand column and the inner ring support stand column, and the upper water distributor and the lower water distributor are respectively arranged on the upper fixing layer and the lower fixing layer.

9. An energy storage device for use in the heating field according to claim 1, wherein: the fixed support is a stainless steel support.

10. An energy storage method of an energy storage device used in the heating field is characterized in that: the concrete content of the method comprises the following contents,

in the heat storage circulation in winter, hot water sent by the hot water unit enters the energy storage tank from the upper water distributor at the upper part of the energy storage tank, and original cold water in the energy storage tank flows out from the lower water distributor at the lower part of the energy storage tank and enters the hot water unit for heating; with the increase of the volume of the hot water, the inclined temperature layer at the interface of the cold water and the hot water in the energy storage tank is pushed downwards, and the total water amount in the energy storage tank is kept unchanged; in the heat release circulation, the water flows in the opposite direction, hot water is pumped out by the heat release pump from the upper water distributor and is sent to a user, and the water with lower temperature after heat exchange enters the energy storage tank from the lower water distributor.

Technical Field

The invention relates to the technical field of heating energy storage, in particular to an energy storage device and an energy storage method for the heating field.

Background

With the increasing requirements of coal boiler heating improvement in various regions, the mode of energy storage and heat supply by using valley electricity is more and more used in newly built and improved heating projects, and the operating cost of electricity energy storage and heat supply is lower than that of a gas boiler due to the valley electricity price. During the off-peak electricity period of 8 hours at night, the heat used in 10-16 hours in the day needs to be stored in the energy storage device, and the existing energy storage modes for heating mainly comprise: phase change energy storage and solid energy storage. But the phase change energy storage has poor durability, low economy, corrosion to a container, small heat conductivity coefficient and poor heat transfer performance; the solid heat storage temperature is too high, the damage to parts is large, the service life is short, and the import price is high. After the electric heating element is electrified, heat generated continuously must be absorbed continuously by the heat storage medium to keep heat balance, otherwise, the temperature of the electric heating element can rise unlimitedly until the electric heating element is burnt out. Therefore, there is a need for an energy storage device and an energy storage method thereof for heating applications to solve the above problems.

Disclosure of Invention

The present invention aims to provide an energy storage device and an energy storage method thereof for use in the heating field, so as to solve the problems mentioned in the background art. In order to achieve the purpose, the invention provides the following technical scheme: an energy storage device used in the heating field comprises an energy storage tank, wherein a fixed support is arranged in the energy storage tank, and an upper water distributor and a lower water distributor are respectively arranged above and below the fixed support;

the upper water distributor and the lower water distributor are identical in structure and respectively comprise a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are connected with a reducing pipe, the reducing pipe is connected with one end of a three-way pipe, the other two ends of the three-way pipe are connected with a water distribution pipe, the water distribution pipe is connected with a water distribution pipe, and water distribution holes are formed in the water distribution pipe.

Preferably, the water distribution pipes are of an octagonal closed structure, the water distribution pipes are arranged in a plurality and gradually increased in size, and the water distribution pipes are concentrically sleeved and distributed.

Preferably, the water distribution pipe includes one-level water distribution pipe, one-level water distribution pipe passes through the middle part of reducing return bend connection second grade water distribution pipe, the tertiary water distribution pipe middle part is connected through reducing return bend I in the both ends of second grade water distribution pipe, tertiary water distribution pipe passes through reducing return bend II and connects level four water distribution pipe, level four water distribution pipe passes through reducing return bend I and connects the water distribution pipe.

Preferably, the four-stage water flow distribution pipe is a multi-channel pipeline, and the four-stage water flow distribution pipe is simultaneously connected with a plurality of water distribution pipes through a reducing pipe I.

Preferably, a connecting flange is arranged at the inlet of the water inlet and outlet pipe.

Preferably, the number of the water distribution pipes is six, the four-stage water distribution pipe is a four-channel pipe, and the four-stage water distribution pipe is respectively connected with one three-stage water distribution pipe through a reducing elbow pipe II and three water distribution pipes through a reducing pipe I.

Preferably, the fixed bolster includes outer lane support stand and inner circle support stand, outer lane support stand is equipped with a plurality ofly, distributes along the water distributor outside in the outside, inner circle support stand is located the interior survey of the most inboard water distributor, install the outer lane roof beam on the outer lane support stand, inner lane support stand is connected through the support girder to the outer lane support stand, the ring roof beam in the middle part of the support girder installs, install the inner circle roof beam on the inner circle support stand, outer lane support stand and inner circle support stand are fixed in the bottom of energy storage tank.

Preferably, the outer ring beam, the support main beam, the middle ring beam and the inner ring beam are matched with the outer ring support stand column and the inner ring support stand column to form two fixing layers which are distributed up and down along the outer ring support stand column and the inner ring support stand column, and the upper water distributor and the lower water distributor are respectively arranged on the upper fixing layer and the lower fixing layer.

Preferably, the fixing bracket is a stainless steel bracket.

An energy storage method of an energy storage device used in the heating field specifically comprises the following steps:

in the heat storage circulation in winter, hot water sent by the hot water unit enters the energy storage tank from the upper water distributor at the upper part of the energy storage tank, and original cold water in the energy storage tank flows out from the lower water distributor at the lower part of the energy storage tank and enters the hot water unit for heating; with the increase of the volume of the hot water, the inclined temperature layer at the interface of the cold water and the hot water in the energy storage tank is pushed downwards, and the total water amount in the energy storage tank is kept unchanged; in the heat release circulation, the water flows in the opposite direction, hot water is pumped out by the heat release pump from the upper water distributor and is sent to a user, and the water with lower temperature after heat exchange enters the energy storage tank from the lower water distributor.

The invention has the technical effects and advantages that: the device can realize no mixing of cold and hot water in the storage tank without adding mechanical parts in the same storage tank, thereby improving the use efficiency of the energy storage tank, saving equipment and space, reducing investment cost and lowering operation cost; the problems that other energy storage materials are cracked, pulverized, layered at intervals, supercooled and the like during operation to affect use are avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the fixing bracket of the present invention;

FIG. 3 is a mounting view of the mounting bracket of the present invention;

fig. 4 is a schematic diagram of the principle of the energy storage method of the present invention.

In the figure: 1-an energy storage tank, 2-a fixed support, 3-an upper water distributor, 4-a lower water distributor, 5-a water inlet pipe, a water outlet pipe, 6-a reducing pipe, 7-a three-way pipe, 8-a water distributor, 9-a water distribution hole, 10-a first-stage water distribution pipe, 11-a reducing elbow, 12-a second-stage water distribution pipe, 13-a reducing elbow I, 14-a third-stage water distribution pipe, 15-a reducing pipe I, 16-a connecting flange, 17-a reducing elbow II, 18-a fourth-stage water distribution pipe, 21-an outer ring support upright column, 22-an inner ring support upright column, 23-an outer ring beam, 24-a support main beam, 25-a middle ring beam and 26-an inner ring beam.

Detailed Description

In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Example 1

As shown in fig. 1 and 3, the energy storage device for the heating field includes an energy storage tank 1, a fixing support 2 is installed in the energy storage tank 1, and an upper water distributor 3 and a lower water distributor 4 are respectively installed above and below the fixing support 2;

go up water distributor 3 and water distributor 4 the same structure down, all include business turn over water pipe 5, business turn over water pipe 5 connects reducing pipe 6, connect reducing pipe 6 and connect three-way pipe 7 one end, the rivers distributing pipe is connected at the other both ends of three-way pipe 7, rivers distributing pipe connects water distributor 8, it has water distribution hole 9 to open on the water distributor 8, water distributor 8 is octagon closed structure, water distributor 8 is equipped with a plurality ofly, and the size grow gradually, and a plurality of water distributors 8 are with centre of a circle suit distribution.

Example 2

An energy storage device for the heating field as shown in fig. 1-3 comprises an energy storage tank 1, wherein a fixed support 2 is installed in the energy storage tank 1, and an upper water distributor 3 and a lower water distributor 4 are respectively installed above and below the fixed support 2;

the upper water distributor 3 and the lower water distributor 4 are identical in structure and respectively comprise a water inlet pipe 5 and a water outlet pipe 5, a connecting flange 16 is installed at the inlet of the water inlet pipe 5, the water inlet pipe 5 is connected with a reducing pipe 6, the connecting reducing pipe 6 is connected with one end of a three-way pipe 7, the other two ends of the three-way pipe 7 are connected with a first-stage water distribution pipe 10, the first-stage water distribution pipe 10 is connected with the middle part of a second-stage water distribution pipe 12 through a reducing elbow pipe 11, the two ends of the second-stage water distribution pipe 12 are connected with the middle part of a third-stage water distribution pipe 14 through a reducing elbow pipe I13, the third-stage water distribution pipe 14 is connected with a fourth-stage water distribution pipe 18 through a reducing elbow pipe II 17, the fourth-stage water distribution pipe 18 is connected with a water distribution pipe 8 through a reducing elbow pipe I15, water distribution holes 9 are formed in the water distribution pipe 8, the water distribution pipe 8 is of an octagonal closed structure, and six water distribution pipes 8 are arranged, the size of the water distribution pipe is gradually increased, the six water distribution pipes 8 are concentrically sleeved and distributed, the four-stage water distribution pipe 1 is a four-channel pipe, and is respectively connected with one three-stage water distribution pipe 14 through a reducing elbow pipe II 17 and three water distribution pipes 8 through a reducing pipe I15;

the fixed support 2 is a stainless steel support and comprises an outer ring support upright 21 and an inner ring support upright 22, the outer ring support upright 21 is provided with a plurality of columns which are distributed along the outer side of the water distribution pipe 8 at the outermost side, the inner ring support upright 22 is positioned at the inner side of the water distribution pipe 8 at the innermost side, an outer ring beam 23 is arranged on the outer ring support upright 21, the outer ring support upright 21 is connected with the inner ring support upright 22 through a support main beam 24, a middle ring beam 25 is arranged in the middle of the support main beam 24, an inner ring beam 26 is arranged on the inner ring support upright 22, the outer ring support upright 21 and the inner ring support upright 22 are fixed at the bottom of the energy storage tank 1, the outer ring beam 23, the support main beam 24, the middle ring beam 25 and the inner ring beam 26 are matched with the outer ring support upright 21 and the inner ring support upright 22 to form a fixed layer, the fixed layer is provided with two columns which are distributed up and down along the outer ring support upright 21 and the inner ring support upright 22, the upper water distributor 3 and the lower water distributor 4 are respectively arranged on the upper fixed layer and the lower fixed layer.

An energy storage method of an energy storage device used in the heating field specifically comprises the following steps:

as shown in fig. 4, the upper water distributor 3 and the lower water distributor 4 are connected to the water outlet end and the water inlet end of the hot water unit through a connecting flange 16, in the heat storage cycle in winter, hot water sent by the hot water unit enters from the water inlet and outlet pipe 5 of the upper water distributor 3, enters each water distributor 8 through a primary water distribution pipe 10, a secondary water distribution pipe 12 and a tertiary water distribution pipe 14, flows into the energy storage tank 1 through the water distribution holes 9 on the water distributors 8, and cold water originally in the energy storage tank 1 enters the water distributors 8 through the water distribution holes 9, and flows out from the water inlet and outlet pipe 5 of the lower water distributor 4 at the lower part of the energy storage tank 1 through the tertiary water distribution pipe 14, the secondary water distribution pipe 12 and the primary water distribution pipe 10, and enters the hot water unit for heating; with the increase of the volume of the hot water, an inclined temperature layer formed by the cold and hot water junction in the energy storage tank 1 is pushed downwards, and the total water amount in the energy storage tank 1 is kept unchanged; in the heat release circulation, the water flows in the opposite direction, the upper water distributor 3 is connected with the heat release pump through the connecting flange 16, hot water is pumped out from the upper water distributor 3 by the heat release pump and is sent to a user, and the water with lower temperature after heat exchange enters the energy storage tank 1 from the lower water distributor 4 through an external pipeline.

In addition, the water energy storage technology mainly utilizes the physical characteristics of water. For water at 1 atmosphere, the density is at its maximum at 4 deg.C, which is 1000Kg/m³. The density of the water is continuously reduced along with the rise of the water temperature, if the water is not disturbed by external force, the natural layered state that cold water is below and hot water is above is generally easily formed, but the physical property of the water is obviously changed irregularly when the temperature of the water is below 4 ℃, and the density of the water is continuously reduced along with the fall of the water temperature. Therefore, the available lower limit of water energy storage water temperature is more than or equal to 4 ℃, the water temperature is generally 4-14 ℃ when in cold storage, and the temperature difference of the water heat storage is large, generally40-95 ℃. The water energy storage utilizes the change of the sensible heat of water (the specific heat of the water is 1.0Kcal/kg per DEG C).

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.