CN218627898U

CN218627898U - Temperature-controllable solid heat storage device

Info

Publication number: CN218627898U
Application number: CN202222799870.2U
Authority: CN
Inventors: 佟力
Original assignee: Jiangsu Shuangliang Boiler Co Ltd
Current assignee: Jiangsu Shuangliang Boiler Co Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-14
Anticipated expiration: 2032-10-24

Abstract

The utility model provides a temperature-controllable solid heat storage device, which comprises a smoke box, a bottom plate, an air inlet adjusting component, a heat accumulator and an outlet flue, wherein the bottom of the smoke box is connected with the bottom plate to form a sealed inner cavity; the side part of the smoke box is penetrated with a plurality of thermocouples, the thermocouples penetrate into the heat accumulator, and the thermocouples are electrically connected with the air inlet adjusting component. The temperature of the temperature-controllable solid heat storage device is accurately and efficiently adjusted, and the temperature field of the heat storage body is more uniform.

Description

Temperature-controllable solid heat storage device

Technical Field

The utility model relates to a heat-retaining device correlation technique field, more accurate saying so relates to a controllable temperature solid heat accumulation device.

Background

High temperature waste gas has higher heat energy, discharges the waste that can assemble heat energy after the direct processing, adopts the heat accumulation device can store the heat energy of high temperature waste gas, and the heat accumulation device can be applied to other fields with the heat energy of storing. The heat storage device has the advantages of large energy storage capacity, long storage period and low cost, and is more suitable for the requirement of large-scale energy storage compared with other energy storage technologies. The solid heat storage device has high heat storage density and small occupied area, is a heat storage device with wide application, and the temperature control precision and the temperature uniformity of the solid heat storage device directly influence the safety, the stability and the efficiency of the operation of the solid heat storage device.

Solid heat storage devices in the prior art generally lack an accurate temperature control function, so that the temperature distribution of the heat storage devices is easily uneven, thermal stress in a heat storage body is concentrated on the upper part, and adverse effects are caused on the safety and the stability of the solid heat storage devices. Therefore, a solid heat storage device with better temperature distribution uniformity and capable of precisely controlling temperature is needed in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a controllable temperature solid heat storage device, including the heat accumulator of admitting air regulation subassembly and porous structure, a plurality of galvanic couples of heat are installed in the heat accumulator internal combination, and the temperature regulation air inlet flow field that the regulating assembly that admits air monitored according to the thermocouple realizes temperature control.

In order to achieve the purpose, the utility model provides a temperature-controllable solid heat storage device, which comprises a smoke box, a bottom plate, an air inlet adjusting component, a heat accumulator and an outlet flue, wherein the bottom of the smoke box is connected with the bottom plate to form a sealed inner cavity; the side part of the smoke box is penetrated with a plurality of thermocouples, the thermocouples penetrate into the heat accumulator, and the thermocouples are electrically connected with the air inlet adjusting component.

Preferably, the air inlet adjusting component comprises an inlet elbow, an adjusting device and a straight flue which are connected in sequence, wherein the straight flue is connected with the side part of the smoke box, and the straight flue is communicated with the inner cavity.

Preferably, the regulating device has a channel and a plurality of louvered grids mounted on the channel, the plurality of grids being mounted in parallel on a cross section of the channel.

Preferably, the grids are driven by a plurality of driving devices respectively, and the driving devices are electrically connected with a controller which is electrically connected with the thermocouples.

Preferably, a plurality of the thermocouples are arranged in a direction perpendicular to the side of the smoke box.

Preferably, 3 of the thermocouples are arranged in a uniform array in a direction perpendicular to the side of the smoke box.

Preferably, the heat accumulator has a plurality of horizontally arranged flue gas channels.

Preferably, the aperture of the flue gas channel increases in sequence from the direction away from the bottom plate to the bottom plate.

Compared with the prior art, the utility model discloses a controllable temperature solid heat storage device's advantage lies in: the temperature-controllable solid heat storage device can control an air inlet flow field according to the real-time temperature monitored by the thermocouple, and the temperature is accurately and efficiently adjusted; the heat accumulator of the temperature-controllable solid heat accumulation device adopts a non-uniform porous structure, and has larger resistance to the high-temperature gas concentration part, thereby achieving the effect of balancing the ventilation quantity of gas and ensuring the uniformity of the temperature field of the heat accumulator.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a temperature-controllable solid heat storage device according to the present invention.

Fig. 2 is a schematic cross-sectional view of an adjusting device of a temperature-controllable solid heat storage device according to the present invention.

FIG. 3 is a schematic cross-sectional view of the heat storage body of the temperature-controllable solid heat storage device of the present invention

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1, the temperature-controllable solid heat storage device of the present application includes a smoke box 11, a bottom plate 12, an air intake adjusting component 2, a heat accumulator 3 and an outlet flue 4, the bottom of the smoke box 11 is connected with the bottom plate 12 to form a sealed inner cavity, the heat accumulator 3 is installed in the inner cavity, the air intake adjusting component 2 is connected with the side portion of the smoke box 11, and the air intake adjusting component 2 is communicated with the inner cavity, the outlet flue 4 is connected with the bottom plate 12, and the outlet flue 4 is communicated with the inner cavity; a plurality of thermocouples 5 are arranged on the side of the smoke box 11 in a penetrating manner, the thermocouples 5 penetrate into the heat accumulator 3, and the thermocouples 5 are electrically connected with the air inlet adjusting component 2. The thermocouple 5 monitors the real-time temperature of the heat accumulator 3 and transmits the real-time temperature to the air inlet adjusting component 2, the air inlet adjusting component 2 adjusts an air inlet flow field according to the temperature monitored by the thermocouple 5, the temperature of the heat accumulator 3 is accurately adjusted, and the temperature stability of the heat accumulator 3 is guaranteed.

Specifically, the air inlet adjusting assembly 2 comprises an inlet elbow 21, an adjusting device 22 and a straight flue 23 which are connected in sequence, the straight flue 23 is connected with the side part of the smoke box, the straight flue 23 is communicated with the inner cavity, and high-temperature waste gas enters the inner cavity through the inlet elbow 21, the adjusting device 22 and the straight flue 23 in sequence. The regulating device 22 controls the flow field of the high-temperature exhaust gas entering the inner cavity.

Referring to fig. 2, the adjusting device 22 has a passage and a plurality of louvered cells 221 mounted on the passage, the cells 221 being mounted in parallel on a cross-section of the passage. The air inlet flow field of the high-temperature waste gas entering the inner cavity can be controlled by adjusting the opening degree of the grid 221; by adjusting the different opening degrees of the grids 221 at different positions, the high-temperature exhaust gas can be controlled to be uniformly distributed along the cross section of the channel, so that the high-temperature exhaust gas can more uniformly enter the inner cavity. The grids 221 can be driven by a plurality of driving devices such as motors respectively, and the driving devices are controlled by a controller, the controller is electrically connected with the thermocouples 5, the controller receives real-time temperatures monitored by the thermocouples 5, and the driving devices are controlled to adjust the opening of the grids 221 so as to control the temperature and the uniformity of air intake.

In order to improve the monitoring accuracy of the temperature of the heat accumulator 3, a plurality of thermocouples 5 are arranged in a direction perpendicular to the side of the smoke box 11 to monitor the temperature of the heat accumulator 3 at different height positions. Preferably, 3 thermocouples 5 are arranged in a direction perpendicular to the side of the smoke box 11 to monitor the temperature of the top, middle and bottom of the heat accumulator 3, respectively.

Referring to fig. 3, the heat accumulator 3 has a plurality of flue gas channels 31 arranged horizontally, the high-temperature exhaust gas enters the plurality of flue gas channels 31, heat is transferred to the heat accumulator 3 in a convection mode, and the cooled exhaust gas after heat exchange is discharged through the outlet flue 4. Specifically, from the direction of keeping away from bottom plate 12 to bottom plate 12, the aperture of flue gas passageway 31 increases in proper order to increased the resistance of heat accumulator 3 top to the flue gas, played the effect of balanced flue gas self-generation ventilation effect, guaranteed the homogeneity of heat accumulator 3 temperature field.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A temperature-controllable solid heat storage device is characterized by comprising a smoke box, a bottom plate, an air inlet adjusting component, a heat accumulator and an outlet flue, wherein the bottom of the smoke box is connected with the bottom plate to form a sealed inner cavity; the side part of the smoke box is penetrated with a plurality of thermocouples, the thermocouples penetrate into the heat accumulator, and the thermocouples are electrically connected with the air inlet adjusting component.

2. The temperature-controllable solid heat storage device according to claim 1, wherein the inlet air regulating assembly comprises an inlet elbow, a regulating device and a straight flue connected in sequence, the straight flue is connected with the side of the smoke box, and the straight flue is communicated with the inner cavity.

3. A temperature controllable solid thermal storage device according to claim 2, wherein said regulating means has a channel and a plurality of louvered grates mounted on said channel, a plurality of said grates being mounted in parallel on a cross section of said channel.

4. A temperature controllable solid thermal storage device according to claim 3, wherein said grids are individually driven by a plurality of drive means, and said drive means are electrically connected to a controller, said controller being electrically connected to said thermocouples.

5. A temperature-controllable solid thermal storage device according to claim 1, wherein a plurality of said thermocouples are arranged in a row perpendicular to the sides of said tank.

6. A temperature-controllable solid thermal storage device according to claim 5, wherein 3 said thermocouples are arranged in a uniform array in a direction perpendicular to the sides of said smoke box.

7. A temperature controllable solid thermal storage apparatus according to claim 1, wherein said thermal storage body has a plurality of horizontally arranged flue gas passages.

8. The temperature-controllable solid heat storage device according to claim 7, wherein the aperture size of the flue gas channel increases in order from the direction away from the base plate to the base plate.