CN212644965U - Heat storage electric boiler - Google Patents

Abstract

The utility model belongs to the technical field of heat accumulation electric boiler technique and specifically relates to a heat accumulation electric boiler, including heat accumulator, heat exchanger, fan, the heat accumulator includes outer box and arranges the heat accumulation subassembly of outer box inside in, the heat accumulation subassembly includes refractory slab, multirow heat accumulation brick group, a plurality of electrothermal tube, every row the electrothermal tube that heat accumulation brick group corresponds, the refractory slab includes horizontal plate, vertical board, horizontal plate and vertical board form T shape structure, the electrothermal tube is serpentine structure, ceramic piece fixed mounting is in the mounting hole, the electrothermal tube both ends run through ceramic piece and connect binding post, the second wind channel that has the horizontal direction and the first wind channel of vertical direction are seted up to heat accumulation brick group. When this device has reduced installation procedure, reduced the risk of installation failure greatly and taken place, any electric heating pipe bad work in the electric boiler, the heating state is unusual obvious, and it is convenient to inspect bad installation for heat transfer rate.

Description

Heat storage electric boiler

Technical Field

The utility model relates to a heat accumulation electric boiler technical field especially relates to a heat accumulation electric boiler.

Background

The existing heat storage electric boiler has the defects of large quantity of single-row electric heating pipes, complex installation and difficulty in detection and maintenance of abnormal connection; the concatenation is unstable between every group's heat accumulation brick, forms the dislocation easily, causes and the electrothermal tube between the bad contact, influence the heat transfer between electrothermal tube and the heat accumulation brick, simultaneously because single row electrothermal tube is more in quantity, required installation position is also more, leads to air outlet and air intake less, reduces heat transport efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art single electric heating pipe quantity more, connecting to be difficult to discover unusually and maintain, the shortcoming that the heat transmission efficiency is low, and a heat accumulation electric boiler that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a heat storage electric boiler comprises a heat storage body, a heat exchange body and a fan, wherein the heat storage body comprises an outer box body and a heat storage assembly arranged in the outer box body, the heat storage assembly comprises a fire-resistant plate, a plurality of rows of heat storage brick groups and a plurality of electric heating tubes, each row of heat storage brick groups corresponds to one electric heating tube, the fire-resistant plate comprises a horizontal plate and a vertical plate, the horizontal plate and the vertical plate form a T-shaped structure, a plurality of air outlets and a plurality of air inlets are formed in the horizontal plate, the plurality of air outlets are arranged on two sides of the vertical plate, the plurality of air inlets are arranged on two sides of the vertical plate, mounting holes with the same number as the electric heating tubes are formed in the horizontal plate, the electric heating tubes are of a snake-shaped structure, two ends of the electric heating tubes are both closed towards the middle and are arranged in parallel, ceramic blocks are fixedly mounted at two ends of, every row of heat accumulation brick group wraps up an electrothermal tube, heat accumulation brick group is seted up the second wind channel of horizontal direction and the first wind channel of vertical direction.

The heat storage brick group is composed of a plurality of pairs of heat storage bricks which are stacked together, each pair of heat storage bricks are wrapped at two sides of the electric heating pipe, and a horizontal second air channel and a vertical first air channel are reserved between each pair of heat storage bricks.

The side of the heat storage brick close to the electric heating pipe is provided with an inwards concave groove and a long strip protrusion matched with the groove, and the long strip protrusion of each pair of adjacent sides of the heat storage brick is arranged in the groove corresponding to the heat storage brick.

The utility model provides a pair of heat accumulation electric boiler, beneficial effect lies in: this device has reduced the installation process when, has reduced the risk of installation failure greatly and has taken place, and any electric heating pipe bad during operation in the electric boiler, the heating state is unusual obvious, and it is convenient to inspect bad installation for this heat accumulation electric boiler keeps normal operating condition lastingly, and the design in first wind channel and second wind channel does benefit to air intake department and spreads to heat accumulator inside everywhere fast when cold wind input, accelerates heat transfer rate.

Drawings

Fig. 1 is a schematic view of the overall assembly structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of a heat storage brick group of the present invention;

fig. 4 is a schematic view of the structure of the air outlet duct of the present invention;

FIG. 5 is a schematic structural view of the refractory plate of the present invention;

FIG. 6 is a schematic view of the mounting structure of the electric heating tube of the present invention;

FIG. 7 is a schematic view of the fitting structure of the long protrusions and grooves of the heat storage brick of the present invention;

fig. 8 is a schematic view of the mounting structure of the ceramic block and the connecting terminal of the present invention.

In the figure: the heat exchange body 1, the fan 2, the heat accumulator 3, the heat accumulation brick group 4, the first air duct 5, the second air duct 6, the air outlet 7, the horizontal plate 8, the mounting hole 9, the air inlet 10, the vertical plate 11, the electric heating tube 12, the ceramic block 13, the heat accumulation brick 14, the long-strip protrusion 15 and the groove 16.

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.

Referring to fig. 1-8, a heat storage electric boiler comprises a heat storage body 3, a heat exchange body 1, a fan 2, the heat storage body 3 comprises an outer box and a heat storage component arranged in the outer box, the heat storage component comprises a fire-resistant plate, a plurality of rows of heat storage brick groups 4 and a plurality of electric heating tubes 12, each row of heat storage brick groups 4 corresponds to one electric heating tube 12, the fire-resistant plate comprises a horizontal plate 8 and a vertical plate 11, the horizontal plate 8 and the vertical plate 11 form a T-shaped structure, the horizontal plate 8 is provided with a plurality of air outlets 7 and a plurality of air inlets 10, the plurality of air outlets 7 are arranged on two sides of the vertical plate 11, the plurality of air inlets 10 are arranged on two sides of the vertical plate 11, the horizontal plate 8 is provided with mounting holes 9 with the same number as the electric heating tubes 12, the electric heating tubes 12 are in a serpentine structure, two ends of the electric heating tubes 12 are both folded towards the middle, two ends of the electric heating pipe 12 penetrate through the ceramic block 13 to be connected with the connecting terminal, each row of heat accumulation brick groups 4 are wrapped with the electric heating pipe 12, and the heat accumulation brick groups 4 are provided with a second air duct 6 in the horizontal direction and a first air duct 5 in the vertical direction.

Referring to fig. 5-6, the electric heating tube 12 of the device has a serpentine structure, two ends of the electric heating tube 12 are both folded towards the middle and arranged in parallel, and the relative position between the electric heating tube 12 and the refractory plate is fixed by the ceramic block 13, because the electric heating tube 12 is installed on the horizontal plate 8, the occupied area is small, so that enough space is left on the horizontal plate 8 for arranging a plurality of air outlets 7 and a plurality of air inlets 10, the air flow transmission and the output quantity are increased, referring to figures 3-8, the integrally formed multi-bending electric heating tube 12 is installed in the electric boiler, the installation process is reduced, the risk of poor installation is greatly reduced, four electric heating pipes are arranged in the electric boiler, when any one electric heating pipe works badly, the heating state is unusual obvious, and it is convenient to inspect bad installation for this heat accumulation electric boiler keeps normal operating condition for a long time.

The heat storage brick group 4 is composed of a plurality of pairs of heat storage bricks 14 which are stacked together, each pair of heat storage bricks 14 are wrapped on two sides of the electric heating tube 12, a horizontal second air channel 6 and a vertical first air channel 5 are reserved between each pair of heat storage bricks 14, and the heat storage bricks are provided with the first air channels and the second air channels, so that the stacked heat storage brick group 4 is still ventilated up, down, left and right, and the heat storage brick group is favorable for being quickly diffused to all parts inside the heat storage body when cold air at an air inlet is input, and the heat exchange speed is accelerated.

In order to make the relative position between every two heat storage bricks 14 more stable and facilitate assembly, one side of each heat storage brick 14 close to the electrothermal tube is provided with an inwards concave groove 16 and a strip-shaped bulge 15 matched with the groove 16, the strip-shaped bulge 15 of each pair of adjacent sides of each heat storage brick 14 is arranged in the corresponding groove 16, wherein the strip-shaped bulge 15 is of a sectional structure, and the strip-shaped bulge 15 is prevented from obstructing the ventilation effect of the second air duct 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model thereof, the technical solution, concept and design obtained by equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (3)

1. A heat storage electric boiler comprises a heat storage body (3), a heat exchange body (1) and a fan (2), wherein the heat storage body (3) comprises an outer box body and a heat storage assembly arranged in the outer box body, and is characterized in that the heat storage assembly comprises a fire-resistant plate, a plurality of rows of heat storage brick groups (4) and a plurality of electric heating tubes (12), each row of the heat storage brick groups (4) corresponds to one electric heating tube (12), the fire-resistant plate comprises a horizontal plate (8) and a vertical plate (11), the horizontal plate (8) and the vertical plate (11) form a T-shaped structure, a plurality of air outlets (7) and a plurality of air inlets (10) are arranged on the horizontal plate (8), the plurality of air outlets (7) are arranged on two sides of the vertical plate (11), the plurality of air inlets (10) are arranged on two sides of the vertical plate (11), and mounting holes (9) with the same number as the electric heating tubes (12) are, electrothermal tube (12) are snakelike structure, electrothermal tube (12) both ends all are drawn close and parallel arrangement to the centre, electrothermal tube (12) both ends fixed mounting has ceramic block (13), ceramic block (13) fixed mounting is in mounting hole (9), electrothermal tube (12) both ends are run through ceramic block (13) and are connected binding post, every row electrothermal tube (12) are wrapped up in to heat accumulation brick group (4), the second wind channel (6) of horizontal direction and first wind channel (5) of vertical direction are seted up to heat accumulation brick group (4).

2. A regenerative electric boiler according to claim 1, characterized in that the regenerative brick group (4) is composed of a plurality of pairs of regenerative bricks (14) stacked together, each pair of regenerative bricks (14) is wrapped on both sides of the electric heating tube (12), and a horizontal second air duct (6) and a vertical first air duct (5) are left between each pair of regenerative bricks (14).

3. A heat-accumulating electric boiler according to claim 2, characterized in that the heat-accumulating bricks (14) are provided with concave grooves (16) and elongated projections (15) matching with the grooves (16) on the side close to the electrothermal tubes (12), and the elongated projections (15) on the adjacent side of each pair of heat-accumulating bricks (14) are arranged in the corresponding grooves (16).

Images