CN212006756U

CN212006756U - Heat storage magnesia brick

Info

Publication number: CN212006756U
Application number: CN202020391337.0U
Authority: CN
Inventors: 周滨
Original assignee: Liaoning Huazi Yumgal Technology Co Ltd
Current assignee: Liaoning Huazi Yumgal Technology Co Ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-24
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a heat accumulation magnesia brick, including the magnesia brick body, the circular hollow chamber that link up the magnesia brick body is seted up to the inside of magnesia brick body, circular hollow intracavity is equipped with the heat preservation, the lateral wall of heat preservation is equipped with the insulating layer with the gap department of magnesia brick body, the insulating layer is two, locates the heat preservation both ends respectively. This heat accumulation magnesia brick adopts this kind of design, makes the heat pass through when the transmission on contacting the heat preservation between two insulating layers, makes the magnesia brick intensifies, when the release heat, because both ends position is located to the insulating layer, its middle part position can be greater than both ends when consequently the heat of accumulation in the heat preservation distributes, makes the temperature of magnesia brick distribute by the center to the outside, improves the exothermal time of magnesia brick, simultaneously its circular hollow cavity's design and the design very big reinforcing the intensity of magnesia brick of cross bracing beam.

Description

Heat storage magnesia brick

Technical Field

The utility model relates to a magnesia brick technical field specifically is a heat accumulation magnesia brick.

Background

In recent years, with the rapid development of national economy and the improvement of the living standard of people, the demand of electricity utilization is increasing day by day. Meanwhile, due to domestic industrial production and the life regularity and habit of common people, the peak-valley difference of the electricity demand in daytime and at night is large, and especially in winter needing heating and summer needing cooling, the peak-valley difference is larger. The peak-valley difference of the power demand threatens the safety and the economical efficiency of the operation of a power plant and a power grid. Under the background, the nation vigorously promotes the power demand management policy, pushes the peak-valley electricity price and encourages the promotion and application of the low-valley energy storage (heat storage, cold storage and electric power storage) technology and products. Therefore, the research and development of the heat storage medium which is environment-friendly, efficient and has good thermophysical parameters becomes an important task for industrial departments and scientific research institutions.

At present, the mode of utilizing the solid heat storage medium heat storage brick to store heat has the advantages of small volume, no pressure and erosion of the heat storage medium borne by a heat storage device, environmental protection, high efficiency, energy conservation, safety and the like, and has become a new favorite in the international market, particularly, the magnesia brick manufactured by taking magnesium oxide (Mg0) as a main raw material has high specific heat capacity at high temperature due to high refractoriness, and the requirement of the heat storage medium on the heat storage capacity is ensured. In addition, in practical application, the heat storage material is required to have good heat conductivity, so that the heat storage device can rapidly store heat in the off-peak electricity period, and the heat storage is too fast, so that the heat release efficiency is increased, and therefore, how to meet the requirements of heat storage and heat release is a problem to be solved at the present stage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat accumulation magnesia brick to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a heat storage magnesia brick comprises a magnesia brick body, wherein a circular hollow cavity penetrating through the magnesia brick body is formed in the magnesia brick body, a heat insulation layer is arranged in the circular hollow cavity, and a heat insulation layer is arranged at a gap between the outer side wall of the heat insulation layer and the magnesia brick body and is respectively arranged at two end parts of the heat insulation layer;

outer strip-shaped grooves are formed in two sides of the outer side wall of the magnesia brick body, and salient points are arranged in the outer strip-shaped grooves.

Preferably, a cross-shaped supporting beam integrally formed with the magnesia brick body is arranged in the circular hollow cavity, and the heat preservation layer and the heat insulation layer are arranged in the circular hollow cavity formed by the cross-shaped supporting beam and the magnesia brick body in a separating mode.

Preferably, an inner strip-shaped groove is formed in the inner side wall of the circular hollow cavity, a strip-shaped protrusion is arranged on the outer side wall of the heat insulation layer, and the strip-shaped protrusion is matched with the inner strip-shaped groove.

Preferably, the heat-insulating layer is a micro-foamed wood-plastic plate or a foamed polypropylene plate.

Preferably, the heat insulation layer is made of epoxy resin.

Preferably, the middle part of the outer side wall of the magnesia brick body is embedded with a refractory brick plate made of silicon.

Compared with the prior art, the beneficial effects of the utility model are that: this heat accumulation magnesia brick adopts this kind of design, makes the heat pass through when the transmission on contacting the heat preservation between two insulating layers, makes the magnesia brick intensifies, when the release heat, because both ends position is located to the insulating layer, its middle part position can be greater than both ends when consequently the heat of accumulation in the heat preservation distributes, makes the temperature of magnesia brick distribute by the center to the outside, improves the exothermal time of magnesia brick, simultaneously its circular hollow cavity's design and the design very big reinforcing the intensity of magnesia brick of cross bracing beam.

Drawings

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

In the figure: 1. the magnesia brick comprises a magnesia brick body, 2 outer strip-shaped grooves, 3 convex points, 4 silicon-refractory brick plates, 5 inner strip-shaped grooves, 6 circular hollow cavities, 7 heat-insulating layers, 8 strip-shaped bulges, 9 thermal-insulating layers, 10 cross-shaped supporting beams.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a heat storage magnesia brick, which comprises a magnesia brick body 1, wherein a round hollow cavity 6 which runs through the magnesia brick body 1 is arranged inside the magnesia brick body 1, the cavity is made into a round shape, so that the magnesia brick has higher pressure resistance when being pressed, the round hollow cavity 6 is internally provided with the heat preservation layer 7, the heat preservation layer 7 is a micro-foaming wood-plastic plate, the gap between the outer side wall of the heat preservation layer 7 and the magnesia brick body 1 is provided with the heat insulation layer 9, the heat insulation layer 9 is epoxy resin, the two heat insulation layers 9 are respectively arranged at the two end parts of the heat preservation layer 7, and by adopting the design, heat is contacted with the heat preservation layer 7 through the two heat insulation layers 9 when being transferred, so that the temperature of the magnesia brick is increased, when releasing heat, because the heat insulation layer 9 is arranged at the two ends, the middle position of the heat insulation layer 7 is larger than the two ends when the heat stored in the heat insulation layer is released, so that the temperature of the magnesia brick is released from the center to the outer side, and the heat release time of the magnesia brick is prolonged;

outer strip-shaped grooves 2 are formed in two sides of the outer side wall of the magnesium brick body 1, salient points 3 are arranged in the outer strip-shaped grooves 2, the outer strip-shaped grooves 2 are formed in the surface of the magnesium brick, so that the surface of the magnesium brick is non-planar, and the salient points 3 are arranged in the outer strip-shaped grooves 2, so that the inner wall of the magnesium brick is non-planar, the contact effect of the magnesium brick with silt slurry during building is increased, and the fixing effect after building is enhanced;

the middle part of the outer side wall of the magnesia brick body 1 is embedded with silicon to a refractory brick plate 4, the refractory brick plate 4 is arranged to enhance the high-temperature resistance and burning resistance of the magnesia brick surface, and the magnesia brick surface is effectively prevented from being easily broken;

a cross supporting beam 10 which is integrally formed with the magnesia brick body 1 is arranged in the circular hollow cavity 6, a heat preservation layer 7 and a heat insulation layer 9 are arranged in the circular hollow cavity 6 which is separated from the magnesia brick body 1 by the cross supporting beam 10, and the circular hollow cavity 6 is supported by the cross supporting beam 10, so that the compressive strength of the magnesia brick is enhanced;

interior bar groove 5 has been seted up to 6 inside walls in circular hollow chamber, and the lateral wall of insulating layer 9 is equipped with the protruding 8 of bar, and the protruding 8 and 5 looks adaptations of interior bar groove of bar adopt this kind of design to make insulating layer 9 more stable.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heat accumulation magnesite brick, includes magnesite brick body (1), its characterized in that: a round hollow cavity (6) penetrating through the magnesia brick body (1) is formed in the magnesia brick body (1), a heat-insulating layer (7) is arranged in the round hollow cavity (6), a heat-insulating layer (9) is arranged at a gap between the outer side wall of the heat-insulating layer (7) and the magnesia brick body (1), and the two heat-insulating layers (9) are respectively arranged at two end parts of the heat-insulating layer (7);

outer strip-shaped grooves (2) are formed in two sides of the outer side wall of the magnesia brick body (1), and salient points (3) are arranged in the outer strip-shaped grooves (2).

2. A heat accumulating magnesite brick as claimed in claim 1, wherein: the heat-insulating brick is characterized in that a cross-shaped supporting beam (10) integrally formed with the magnesia brick body (1) is arranged in the circular hollow cavity (6), and the heat-insulating layer (7) and the heat-insulating layer (9) are arranged in the circular hollow cavity (6) formed by separating the cross-shaped supporting beam (10) from the magnesia brick body (1).

3. A heat accumulating magnesite brick as claimed in claim 1, wherein: interior bar groove (5) have been seted up to circular hollow chamber (6) inside wall, the lateral wall of insulating layer (9) is equipped with bar arch (8), bar arch (8) and interior bar groove (5) looks adaptation.

4. A heat accumulating magnesite brick as claimed in claim 1, wherein: the heat-insulating layer (7) is a micro-foamed wood-plastic plate or a foamed polypropylene plate.

5. A heat accumulating magnesite brick as claimed in claim 1, wherein: the heat insulation layer (9) is made of epoxy resin.

6. A heat accumulating magnesite brick as claimed in claim 1, wherein: and a refractory brick plate (4) made of silicon is inlaid in the middle of the outer side wall of the magnesia brick body (1).