CN216281296U - Steam circulation system of solid heat storage boiler - Google Patents

Abstract

The utility model relates to the technical field of heat storage boilers, in particular to a steam circulation system of a solid heat storage boiler, which comprises a solid heat storage boiler outer shell, wherein an air circulation mechanism is arranged at the bottom end inside the solid heat storage boiler outer shell, a solid heat storage boiler is arranged above the air circulation mechanism, and a heat exchange mechanism is arranged on a top pipe inside the solid heat storage boiler outer shell, so that steam is not only used for exchanging heat with water, and the steam after heat exchange passes through a gap between the solid heat storage outer shell and a heat insulation plate to form a steam heat insulation layer, thereby improving the heat insulation efficiency of the whole device and increasing the utilization rate of the steam.

Description

Steam circulation system of solid heat storage boiler

Technical Field

The utility model relates to the technical field of heat storage boilers, in particular to a steam circulation system of a solid heat storage boiler.

Background

The boiler is a thermal device which transfers heat energy released by burning fuel to water in a container to make the water reach required temperature (hot water) or certain pressure steam. An electric boiler, as its name implies, uses electricity as energy source and converts it into heat energy, so that steam, high-temperature water or organic heat carrier with certain heat energy is output outwards after being converted by the boiler. The electric boiler body mainly comprises an electric boiler steel shell, a computer control system, a low-voltage electric system, an electric heating pipe, a water inlet pipe, a water outlet pipe, a detection instrument and the like. The heating mode of the electric boiler comprises an electromagnetic induction heating mode and a resistance (electric heating pipe) heating mode. The resistance heating mode adopts the heating of resistance-type tubulose electric heating element promptly, and electric boiler is easily overlapped the combination structurally, and control is nimble, and it is convenient to maintain and change. The electric boiler basically adopts a resistance tubular electric heating element heating type electric boiler, the utilization efficiency of steam in most traditional solid heat storage boilers is low, the effect is single, the electric boiler is only used for heat conversion between hot air and water, and the utilization rate is not high. In view of the above, we propose a steam cycle system for a solid heat storage boiler.

SUMMERY OF THE UTILITY MODEL

The utility model provides a steam circulation system of a solid heat storage boiler, which aims to solve the problems in the background technology.

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

a steam circulation system of a solid heat storage boiler comprises a solid heat storage boiler shell, wherein an air circulation mechanism is arranged at the bottom end inside the solid heat storage boiler shell, a solid heat storage boiler is arranged above the air circulation mechanism, and a heat exchange mechanism is arranged on a top pipe inside the solid heat storage boiler shell.

According to a preferable technical scheme, the air circulation mechanism comprises large triangular baffles fixedly welded on two sides of the bottom end inside the solid heat storage furnace shell, a support column welded in the middle position of the bottom end inside the solid heat storage furnace shell and a plurality of centrifugal fans fixedly installed on two sides of the support column, and the large triangular baffles are in a right-angled isosceles triangle structure.

As a preferred technical scheme, the solid heat storage furnace comprises a support plate welded on the upper surface of the support column, a plurality of vent holes formed in the surface of the support plate, a heat storage brick arranged on the upper surface of the support plate, a plurality of heating channels formed in the heat storage brick, heat insulation plates welded around the upper surface of the support plate, and air outlets formed in the top end of the heat insulation plates.

According to a preferable technical scheme, the heat exchange mechanism comprises a baffle welded to the top end of the heat insulation plate, a water inlet pipe fixedly mounted at the lower end of the right side wall of the baffle, a water outlet pipe fixedly mounted at the upper end of the right side wall of the baffle, a small triangular baffle welded to the top end of the solid heat storage furnace shell and a partition plate mounted between the water inlet pipe and the water outlet pipe, the partition plate is welded to the middle position of the left side surface of the right side wall of the baffle, and the water inlet pipe and the water outlet pipe are located at the inner side part of the baffle and are connected in a U-shaped structure.

Compared with the prior art, the utility model has the beneficial effects that: the steam is no longer only used for exchanging heat with water, the steam with the heat exchanged passes through the gap between the solid heat storage shell and the heat insulation plate, and a steam heat insulation layer is formed, so that the overall heat insulation efficiency of the device is improved, and the utilization rate of the steam is increased.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a schematic view of the internal structure of embodiment 1 of the present invention;

fig. 3 is a schematic view of the internal structure of embodiment 2 of the present invention.

In the figure:

a solid regenerator shell 1;

an air circulation mechanism 2; a large triangular baffle plate 21; a support column 22; a centrifugal fan 23;

a solid regenerative furnace 3; a support plate 31; a vent hole 32; a heating channel 33; an air outlet 34; a heat insulating board 35; a heat storage brick 36;

a heat exchange mechanism 4; a baffle plate 41; a partition plate 42; a water inlet pipe 43; a water outlet pipe 44; a small triangular baffle 45; a heat exchange housing 46;

a water tank 5; a tank case 51; a water inlet 52; a water outlet 53; a support bracket 54.

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 is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1-2, the present invention provides a technical solution:

a steam circulation system of a solid heat storage boiler comprises a solid heat storage furnace shell 1, an air circulation mechanism 2 is arranged at the bottom end inside the solid heat storage furnace shell 1, a solid heat storage furnace 3 is arranged above the air circulation mechanism 2, and a heat exchange mechanism 4 is arranged on a top pipe inside the solid heat storage furnace shell 1.

It is supplementary to be added that, the air circulation mechanism 2 includes big triangle baffle 21 that fixedly welds in solid regenerative furnace shell 1 inside bottom both sides, welds in the support column 22 of the inside bottom intermediate position of solid regenerative furnace shell 1 and a plurality of centrifugal fan 23 of fixed mounting in support column 22 both sides, and big triangle baffle 21 is right angle isosceles triangle structure, and solid regenerative furnace shell 1 inner wall is hugged closely to two right-angle sides of big triangle baffle 21, and the hypotenuse is outside to assist the air and moves.

Preferably, in this embodiment, the solid regenerative furnace 3 includes a support plate 31 welded to the upper surface of the support pillar 22, a plurality of vent holes 32 opened on the surface of the support plate 31, a regenerative brick 36 placed on the upper surface of the support plate 31, a plurality of heating channels 33 opened inside the regenerative brick 36, heat insulation plates 35 welded to the periphery of the upper surface of the support plate 31, and air outlets 34 opened at the top ends of the heat insulation plates 35, and the heat insulation plates 35 preserve the heat of the regenerative brick 36 to a certain extent, thereby improving the heat insulation efficiency.

Preferably, the heat exchanging mechanism 4 includes a baffle plate 41 welded to the top end of the heat insulation plate 35, a water inlet pipe 43 fixedly mounted at the lower end of the right side wall of the baffle plate 41, a water outlet pipe 44 fixedly mounted at the upper end of the right side wall of the baffle plate 41, a small triangular baffle plate 45 welded to the top end of the solid heat storage furnace housing 1, and a partition plate 42 mounted between the water inlet pipe 43 and the water outlet pipe 44, wherein the partition plate 42 is welded to the middle position of the left side surface of the right side wall of the baffle plate 41, the water inlet pipe 43 and the water outlet pipe 44 are connected in a U-shaped structure at the inner side portion of the baffle plate 41, and the U-shaped structure is designed to temporarily block hot air through the partition plate 42, so that the hot air and the water flow in the water pipe can be better heat exchanged.

Preferably, the solid regenerator shell 1 and the heat shield 35 form an angle of 45 degrees with the vertical direction, so as to concentrate hot air and increase output efficiency.

Preferably, the support frame 54 is provided with a through hole for water to flow through, so as to facilitate the flow of water.

In this embodiment, the heating path 33 is preferably formed in a spiral shape as a whole, and the heating efficiency is improved by extending the time for which air is located in the heat storage bricks 36.

In the specific use process, after the heat storage bricks 36 are heated and begin to store heat, the internal air is heated, the density of the heated air is lightened and the heated air automatically rises, the hot air passes through the air outlet 34 into the baffle plate 41 under the constriction of the heat insulation plate 35, the heat exchange efficiency of the hot air and the water flow in the water pipe is improved under the blocking of the baffle plate 42, then the air goes out from the top end of the baffle plate 41, circulates to the air circulating mechanism 2 along the gap between the heat insulation plate 35 and the solid regenerative furnace shell 1, starts the centrifugal fan 23 to draw the air to the middle, then passes through the vent holes 32 on the support plate 31 and the heating channels 33 in the regenerative bricks 36, the air is heated and then enters the heat exchange mechanism 4 through the air outlet 34 again to exchange heat with the water, and the steam between the insulation board 35 and the solid regenerator shell 1 may play a role in preserving heat to a certain extent.

Example 2

Referring to fig. 3, the present embodiment provides the following technical solutions on the basis of embodiment 1: the outer side of the solid heat storage furnace shell 1 is wrapped with the water tank 5, the bottom end of the inner wall of the water tank 5 is fixedly welded with the symmetrically-placed support frames 54, the water inlet 52 is arranged at the left side position of the upper surface of the water tank 5, the water outlet 53 is arranged at the right side position of the upper surface of the water tank 5, and the heat preservation efficiency is further improved through water flow.

In the specific use process, fill water in the water tank 5 through the water inlet 52 when solid regenerator 3 is in the moving process, the heat that gives off from solid regenerator shell 1 is absorbed by water, and the higher specific heat capacity of water makes water have good heat preservation function, through water tank 5, steam, the triple heat preservation effect of heat insulating board 35 reduces and decorates whole radiating efficiency.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (4)

1. A steam circulation system of a solid heat storage boiler comprises a solid heat storage furnace shell (1), and is characterized in that: the solid heat storage furnace is characterized in that an air circulation mechanism (2) is arranged at the bottom end inside the solid heat storage furnace shell (1), the solid heat storage furnace (3) is installed above the air circulation mechanism (2), and a heat exchange mechanism (4) is installed on a top pipe inside the solid heat storage furnace shell (1).

2. The steam cycle system of the solid heat storage boiler of claim 1, wherein: the air circulation mechanism (2) comprises large triangular baffles (21) fixedly welded to two sides of the inner bottom end of the solid heat storage furnace shell (1), a support column (22) welded to the middle position of the inner bottom end of the solid heat storage furnace shell (1) and a plurality of centrifugal fans (23) fixedly installed on two sides of the support column (22), and the large triangular baffles (21) are of right-angled isosceles triangle structures.

3. The steam cycle system of the solid heat storage boiler of claim 2, wherein: solid heat accumulation stove (3) including weld in backup pad (31) on support column (22) upper surface, set up in a plurality of air vents (32) on backup pad (31) surface, place in heat accumulation brick (36) on backup pad (31) upper surface, set up in a plurality of heating channel (33) of heat accumulation brick (36) inside, weld in backup pad (31) upper surface heat insulating board (35) all around and set up in air outlet (34) on heat insulating board (35) top.

4. The steam cycle system of the solid heat storage boiler of claim 3, wherein: heat exchange mechanism (4) including weld in baffle (41), the inlet tube (43) of fixed mounting in the baffle (41) right side wall lower extreme that causes on heat insulating board (35) top, fixed mounting in outlet pipe (44) of baffle (41) right side wall upper end, weld in little triangle baffle (45) on solid heat accumulation furnace shell (1) top and install in inlet tube (43) with baffle (42) between outlet pipe (44), baffle (42) weld in baffle (41) right side wall left side surface intermediate position, inlet tube (43) with outlet pipe (44) are located baffle (41) inside part is U type structural connection.

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