CN215491242U

CN215491242U - High-efficiency energy-saving electric heating heat exchanger

Info

Publication number: CN215491242U
Application number: CN202121344287.1U
Authority: CN
Inventors: 王新正
Original assignee: Xinjiang Tianxu Energy Saving Technology Co ltd
Current assignee: Xinjiang Tianxu Energy Saving Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-01-11
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a high-efficiency energy-saving electric heating heat exchanger which comprises a main box body, a water inlet pipe (7) and a water outlet pipe (5), wherein an auxiliary box body (2) and a partition plate (6) are arranged in the main box body, a heat medium exchange pipe (4) and an electric heater (3) are arranged in the auxiliary box body (2), the heat medium exchange pipe (4) penetrates through the auxiliary box body (2), one end of the heat medium exchange pipe (4) is communicated with a cold water cavity (8), and the other end of the heat medium exchange pipe is communicated with a hot water cavity (1). Compared with the prior art, the utility model has the beneficial effects that: the first heat-conducting medium in the auxiliary box body is heated by the electric heater to carry out heat exchange, the exchange efficiency is high, then the second heat-conducting medium in the main box body is used for supplying heat to the radiator, the heating speed is high, the heat utilization rate is high, particularly, a binary fused salt phase-change material is preferably selected as the first heat-conducting medium to be maintained for storing and controlling heat, and the aims of further improving the heat efficiency and saving energy are fulfilled.

Description

High-efficiency energy-saving electric heating heat exchanger

Technical Field

The utility model belongs to the technical field of heat exchangers, and particularly relates to an efficient energy-saving electric heating heat exchanger.

Background

Heat exchangers are devices used to transfer heat from a hot fluid portion to a cold fluid, also known as heat exchangers.

The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied.

Most of the existing heat exchangers adopt an external heating mode, the water supply heating and temperature rising are slow, energy is not enough saved, and on the other hand, the heat exchanger adopting the external heating mode has higher requirements on construction and larger investment.

With the increasing requirements on environmental protection and energy conservation and the demands on living environment and other reasons, the traditional heat source heating heat exchanger cannot meet the demands of people, and therefore a high-efficiency energy-saving electric heating heat exchanger which is lower in construction cost and easier to realize and takes electricity as energy is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an efficient energy-saving electric heating heat exchanger, which aims to solve the problems that most of heat exchangers proposed in the background art adopt an external heating mode, the water supply heating and temperature rising are slow, and the energy is not saved enough.

In order to achieve the purpose, the utility model provides the following technical scheme: including the main tank body, be equipped with inlet tube (7) and outlet pipe (5), its characterized in that on the main tank body: the hot water circulation type solar water heater is characterized in that an auxiliary box body (2) is arranged in the main box body, at least one surface of the auxiliary box body (2) between the main box body and the main box body forms a jacket-shaped structure, a partition plate (6) is arranged in the main box body between a water inlet pipe (7) and a water outlet pipe (5), the partition plate (6) divides the space in the main box body into a cold water cavity (8) and a hot water cavity (1), a hot medium exchange pipe (4) and an electric heater (3) are arranged in the auxiliary box body (2), the hot medium exchange pipe (4) penetrates through the auxiliary box body (2), a plurality of hot medium exchange pipes are arranged in the auxiliary box body (2) in a rectangular shape, the auxiliary box body (2) is fixed on the partition plate (6), one end of each hot medium exchange pipe (4) is communicated with the cold water cavity (8), and the other end of each hot medium exchange pipe is communicated with the hot water cavity (1).

In use, the auxiliary box body (2) can be filled with heat-conducting media, such as heat-conducting grease, heat-conducting silicone grease and the like, and the electric heater (3) and the heat medium exchange tube (4) are accommodated in the heat-conducting media.

Preferably, the electric heater (3) and the heat medium exchange tube (4) are accommodated in the binary molten salt phase change material, so that the heat absorption and heat release characteristics of the energy stored in the molten salt can be fully utilized, the heat exchange time can be prolonged to reach more than 2 times of the heat exchange amount, and the aims of improving the heat efficiency and saving energy are fulfilled.

Further, the electric heater (3) is composed of at least two electric heating elements.

Still further, more than two electric heating element cavities are arranged in the auxiliary box body (2), and the electric heating elements are installed in the electric heating element cavities.

Furthermore, the outer wall of the heat medium exchange tube (4) is preferably provided with densely distributed heat conducting plates (9).

Compared with the prior art, the utility model has the beneficial effects that: the first heat-conducting medium in the auxiliary box body is heated by the electric heater to carry out heat exchange, the exchange efficiency is high, then the second heat-conducting medium in the main box body is used for supplying heat to the radiator, the heating speed is high, the heat utilization rate is high, particularly, the binary fused salt phase-change material is preferably selected as the first heat-conducting medium to be maintained to store and control heat, the purposes of further improving the heat efficiency and saving energy are achieved, and the heat-conducting heat-exchange device is easy to achieve.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

FIG. 2 is a schematic structural view of FIG. 1 along section A _ A.

Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.

Fig. 5 is a schematic structural diagram of embodiment 4 of the present invention.

Fig. 6 is a schematic structural diagram of embodiment 5 of the present invention.

Shown in the figure: the hot water heating system comprises a hot water cavity 1, an auxiliary box body 2, an electric heater 3, a heat medium exchange tube 4, a water outlet tube 5, a partition plate 6, a water inlet tube 7, a cold water cavity 8 and a heat conducting plate 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and therefore should not be considered as limiting the present invention, and the scope of the present invention should be determined by the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model.

Example 1: referring to fig. 1 and fig. 2, a technical solution provided in embodiment 1 of the present invention is: comprises a main box body which is a rectangular containing body, a water inlet pipe 7 and a water outlet pipe 5 are arranged on the main box body, an auxiliary box body 2 is arranged in the main box body, the

auxiliary box body

2 and 4 surfaces of the side edge of the main box body form a jacket-shaped structure in the main box body, a partition plate 6 is arranged in the main box body between the water inlet pipe 7 and the water outlet pipe 5, the partition plate 6 divides the space in the main box body into a cold water cavity 8 and a hot water cavity 1,

a heat medium exchange tube 4 and an electric heater 3 are arranged in the auxiliary box body 2, the heat medium exchange tube 4 penetrates through the inner cavity of the auxiliary box body 2 from the front end face and the rear end face of the auxiliary box body 2, a plurality of heat medium exchange tubes 4 are arranged in the auxiliary box body 2 in a rectangular shape,

and one end of the heat medium exchange tube 4 is communicated with the cold water cavity 8, the other end is communicated with the hot water cavity 1, the auxiliary box body 2 is fixed in the main box body through the partition plate 6, and the partition plate 6 is arranged on one end face of the front end and the rear end of the auxiliary box body 2.

In use, the sub-tank 2 can be filled with a heat conducting medium, such as heat conducting grease, heat conducting silicone grease, etc., and the electric heater 3 and the heat medium exchange tube 4 are accommodated in the heat conducting medium, preferably, the electric heater 3 and the heat medium exchange tube 4 are accommodated in a binary molten salt phase change material, that is, the sub-tank 2 is filled with the binary molten salt phase change material as the heat conducting medium material.

The electric heater 3 is composed of a plurality of electric heating elements, the failure rate of the heat exchanger can be effectively reduced, when one or two electric heating elements are damaged or failed, the stop work of the heat exchanger cannot be caused, and the control of the use power of the heat exchanger is simpler due to the arrangement of the plurality of electric heating elements.

Furthermore, the electric heating element is arranged in the electric heating element cavity, and similarly, the electric heating element can be accommodated in the insulating heat-conducting medium while the electric heating element is arranged in the electric heating element cavity, so that the utilization efficiency of electric energy can be further improved.

Example 2: referring to fig. 3, which is a schematic structural diagram of embodiment 2 of the present invention, compared with embodiment 1, the present embodiment is different in that: the baffle 6 is arranged in the middle of the side surface of the auxiliary box body 2, furthermore, the heat conducting plates 9 are densely distributed on the outer wall of the heat medium exchange tube 4, and the heat conducting plates 9 are annular flaky bodies densely distributed on the outer wall of the heat medium exchange tube 4.

Example 3: referring to fig. 4, which is a schematic structural diagram of embodiment 3 of the present invention, compared with

embodiments

1 and 2, the present embodiment is different in that: the main box body and the auxiliary box body are cylindrical tubbiness.

Example 4: referring to fig. 5, which is a schematic structural diagram of embodiment 4 of the present invention, compared with the

previous embodiments

1 and 2, the present embodiment is different in that: the auxiliary box body 2 forms a jacket-shaped structure between the main box body and 3 surfaces of the side edge of the main box body.

Example 5: referring to fig. 6, which is a schematic structural diagram of embodiment 5 of the present invention, compared with the previous embodiment 3, the present embodiment is different in that: the main box body and the auxiliary box body are semi-cylindrical tubbiness, and the auxiliary box body 2 forms a jacket-shaped structure between the main box body and 1 cambered surface on the side of the main box body.

Claims

1. Energy-efficient electrical heating heat exchanger, including the main tank body, be equipped with inlet tube (7) and outlet pipe (5), its characterized in that on the main tank body: the hot water circulation type solar water heater is characterized in that an auxiliary box body (2) is arranged in the main box body, at least one surface of the auxiliary box body (2) between the main box body and the main box body forms a jacket-shaped structure, a partition plate (6) is arranged in the main box body between a water inlet pipe (7) and a water outlet pipe (5), the partition plate (6) divides the space in the main box body into a cold water cavity (8) and a hot water cavity (1), a hot medium exchange pipe (4) and an electric heater (3) are arranged in the auxiliary box body (2), the hot medium exchange pipe (4) penetrates through the auxiliary box body (2), a plurality of hot medium exchange pipes are arranged in the auxiliary box body (2) in a rectangular shape, the auxiliary box body (2) is fixed on the partition plate (6), one end of each hot medium exchange pipe (4) is communicated with the cold water cavity (8), and the other end of each hot medium exchange pipe is communicated with the hot water cavity (1).

2. The high-efficiency energy-saving electric heating heat exchanger according to claim 1, characterized in that: the electric heater (3) and the heat medium exchange tube (4) are accommodated in the binary molten salt phase-change material.

3. The high-efficiency energy-saving electric heating heat exchanger according to claim 1 or 2, characterized in that: the electric heater (3) is composed of at least two electric heating elements.

4. The high-efficiency energy-saving electric heating heat exchanger according to claim 1 or 2, characterized in that: the electric heating element is arranged in the electric heating element cavity.

5. The high-efficiency energy-saving electric heating heat exchanger according to claim 3, characterized in that: the electric heating element is arranged in the electric heating element cavity.

6. The high-efficiency energy-saving electric heating heat exchanger according to claim 1 or 2, characterized in that: the outer wall of the heat medium exchange tube (4) is provided with densely distributed heat-conducting plates (9).

7. The high-efficiency energy-saving electric heating heat exchanger according to claim 3, characterized in that: the outer wall of the heat medium exchange tube (4) is provided with densely distributed heat-conducting plates (9).

8. The high-efficiency energy-saving electric heating heat exchanger according to claim 4, characterized in that: the outer wall of the heat medium exchange tube (4) is provided with densely distributed heat-conducting plates (9).

9. The high-efficiency energy-saving electric heating heat exchanger according to claim 5, characterized in that: the outer wall of the heat medium exchange tube (4) is provided with densely distributed heat-conducting plates (9).