CN219036788U - Heat accumulating furnace - Google Patents
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- CN219036788U CN219036788U CN202223603401.5U CN202223603401U CN219036788U CN 219036788 U CN219036788 U CN 219036788U CN 202223603401 U CN202223603401 U CN 202223603401U CN 219036788 U CN219036788 U CN 219036788U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The application relates to the field of heat supply equipment, in particular to a heat accumulating furnace, which comprises a support base, a heat exchange unit arranged on the support base, a heat accumulating component arranged on one side of the heat exchange unit far away from the support base, and a heat insulating shell covered outside the heat exchange unit and the heat accumulating component; the heat storage component comprises a plurality of three-groove heat storage bricks which are sequentially overlapped; a plurality of three-groove heat accumulating bricks are arranged along the height direction to form a group, a plurality of groups are respectively arranged along the length direction and the width direction of the supporting base, and three through grooves for the resistance wires to pass through are formed in one side of each three-groove heat accumulating brick; the three-groove heat accumulating brick is mainly made of magnesia; the heat preservation shell internally mounted has the sandwich panel, and the sandwich panel is located the heat accumulation subassembly and keeps away from the one end of heat transfer unit, installs the circular telegram board that is used for being connected with the power on the sandwich panel, installs a plurality of resistance wire joints that are connected with the resistance wire on the sandwich panel. The heating speed of the heat storage component is improved, and the heating efficiency of the heat storage component is improved.
Description
Technical Field
The application relates to the field of heating equipment, in particular to a heat accumulating furnace.
Background
The heat accumulating furnace is also called a heat accumulating electric boiler, which is a comparatively energy-saving device and mainly utilizes the principle of peak clipping and valley filling, namely, low-price electric energy is used for heating and storing heat in a night power grid valley period, and the heating is carried out by releasing the heat stored at night in a daytime power grid peak period without accessing a power grid, so that the aims of reducing heating cost and balancing power grid load are achieved.
The conventional heat accumulation heat is mainly composed of a heat insulation shell, an electric heating part, a heat exchange unit and a solid heat accumulator, wherein the solid heat accumulator is formed by filling bulk granular high-temperature resistant refractory materials into the heat insulation shell and tamping.
Disclosure of Invention
In order to enable the heat accumulating furnace to be suitable for being used in families of users, improve heating efficiency of the heat accumulating furnace in use and reduce heat dissipation of a furnace body of the heat accumulating furnace, the application provides the heat accumulating furnace.
The heat accumulating furnace adopts the following technical scheme:
the heat accumulating furnace comprises a supporting base, a heat exchange unit arranged on the supporting base, a heat accumulating component arranged on one side of the heat exchange unit far away from the supporting base, and a heat insulating shell covered outside the heat exchange unit and the heat accumulating component;
the heat storage component comprises a plurality of three-groove heat storage bricks which are sequentially overlapped; a plurality of three-groove heat accumulating bricks are arranged in the height direction to form a group, a plurality of groups are arranged in the length direction and the width direction of the supporting base, and three through grooves for the resistance wires to pass through are formed in one side of each three-groove heat accumulating brick;
the main material of the three-groove heat storage brick is magnesium oxide;
the heat-insulating shell internally mounted has the sandwich plate, the sandwich plate is located the heat accumulation subassembly and keeps away from the one end of heat transfer unit, install the circular telegram board that is used for being connected with the power on the sandwich plate, install a plurality of resistance wire joints that are connected with the resistance wire on the sandwich plate.
By adopting the technical scheme, in the off-peak period of the power grid at night, an external power supply is connected to the electrified plate, and current flows into the plurality of resistance wires along the sandwich plate so as to heat the plurality of three-groove heat storage bricks and store heat in the plurality of three-groove heat storage bricks; this kind of heating method can use many resistance wires to heat every three groove heat accumulation bricks gradually, and the intensification is faster, and heating time is shorter, has improved heating efficiency, and can effectively reduce the power consumption, and the three groove heat accumulation bricks of this application mainly use magnesium oxide material to make simultaneously, have higher refractoriness, and the heat resistance is stronger, and the heat that can store is more. The heating effect of the heat accumulating furnace is better.
Optionally, the three-groove heat accumulating brick is a sintered magnesia brick manufactured by using a sintering process.
By adopting the technical scheme, the sintered magnesia brick has higher strength and longer service life.
Optionally, a heat exchange groove for exchanging heat is formed on one side of each three-groove heat storage brick, which faces away from the through groove;
the opposite arrangement of two adjacent three-groove heat accumulating bricks in the same group enables the two through grooves to be buckled to form a through hole.
Through adopting above-mentioned technical scheme, when the installation, the through-hole that supplies the resistance wire to pass is formed to the logical groove lock of two adjacent three groove heat accumulation bricks of same group, and the circulation space that supplies cold, hot air to pass is formed to the heat transfer groove lock of two adjacent three groove heat accumulation bricks of same group, is convenient for carry out the heat transfer.
Optionally, the outer covers of the three-groove heat accumulating bricks are provided with heat insulating inner containers, and the heat insulating inner containers are also provided with resistance wire connectors connected with a plurality of resistance wires;
and certain intervals are reserved between the three-groove heat storage brick and the four inner walls of the heat preservation liner, so that a heat exchange space for the heat exchange unit to exchange heat is formed.
Through adopting above-mentioned technical scheme, the heat preservation inner bag can keep warm the heat that three groove heat accumulation bricks stored, reduces the heat dissipation of three groove heat accumulation bricks, and then reaches the effect that improves the whole heating efficiency of heat accumulation stove.
Optionally, a temperature sensor is installed inside the heat-insulating shell, and the temperature sensor is installed on the sandwich plate.
By adopting the technical scheme, the temperature sensor can monitor the temperatures of the three-groove heat storage bricks in real time, so that the probability of collapse of the three-groove heat storage bricks caused by overhigh heating temperature of the three-groove heat storage bricks is reduced.
Optionally, the heat exchange unit includes the heat transfer device of installing on the support base and surrounds the outside water heating circuit of heat preservation inner bag, water heating circuit one end heat transfer device intercommunication, the other end communicates with indoor radiator.
Through adopting above-mentioned technical scheme, when heating, start heat transfer device and gradually flow through water heating circuit and radiator with the heat that three groove heat accumulation bricks produced to heat indoor.
Optionally, the heat exchange device comprises an air inlet box arranged on the support base, a transmission air box arranged on the support base, a fan arranged on the transmission air box, a heat conduction pipe communicated between the air inlet box and the transmission air box and a water storage tank arranged outside the heat conduction pipe, wherein the water storage tank is communicated with an external water source;
an air inlet is formed in the air inlet box, an air outlet is formed in the fan, and the air inlet and the air outlet are both positioned in the heat exchange space;
the two ends of the heat conduction pipe extend into the air inlet box and the transmission box respectively.
Through adopting above-mentioned technical scheme, connect with external water source in the storage water tank in order to pour into cold water into the storage water tank, during daytime heating, start the fan, input cold wind in to the heat transfer space, cold wind flows through the air current hole in order to be heated by three groove heat accumulation bricks in the diffusion process and forms hot-blast, hot-blast backward flow gets into in the air intake, and flow along air inlet box, heat pipe and transmission bellows, in hot-blast flow in-process, hot-blast heat transfer is to the cold water in the storage water tank in order to heat cold water in the storage water tank gradually, make hot-blast become cold wind again and get into in the fan, the fan blows off cold wind again in order to carry out the heat exchange of next time, along with the gradual progress of heat exchange, in order to heat the cold water heating circuit with the radiator in order to heat gradually, in order to heat.
Optionally, the water heating loop comprises a cold water inlet pipe communicated with a water storage tank, a hot air communicating pipe communicated with the water storage tank, a hot air conveying pipe connected with a user radiator and a heat preservation water net connected between the hot air communicating pipe and the hot air conveying pipe;
one end of the hot air conveying pipe far away from the radiator is closed.
By adopting the technical scheme, when cold water is injected, the cold water inlet pipe is connected with an external water source to inject the cold water into the water storage tank, and after the water storage tank is filled, the cold water is gradually conveyed into the heat-preserving water net along the hot air communicating pipe according to the communicating vessel principle, and after the heat-preserving water net is filled, the cold water is conveyed into the radiator from the hot air conveying pipe; when heating, hot air also heats the hot water in the water storage tank, the heat preservation water network and the radiator in sequence, at this moment, the heat preservation water network surrounds the outside at three groove heat storage bricks, and after cold water in the heat preservation water network is heated to become hot water, the heat preservation water network can play certain heat preservation effect to three groove heat storage bricks, reduces the heat dissipation of three groove heat storage bricks.
Optionally, the height of the heat preservation water net is not lower than the height of the upper surface of the three-groove heat storage brick.
By adopting the technical scheme, the heat preservation water network can comprehensively preserve heat of a plurality of three-groove heat storage bricks, and heat dissipation of the three-groove heat storage bricks is reduced to the greatest extent.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the three-groove heat storage furnace, the plurality of three-groove heat storage bricks which are sequentially overlapped are arranged, the through grooves for the resistance wires to pass through are formed in each three-groove heat storage brick, the plurality of resistance wires sequentially pass through the through grooves of each three-groove heat storage brick, so that the plurality of three-groove heat storage bricks can be heated simultaneously, the heating speed is high, and the heating efficiency of the heat storage furnace can be improved; meanwhile, the three-groove heat storage brick disclosed by the application is made of magnesium oxide as a main material, has higher heat resistance and can store more heat.
2. Through the arrangement of the heat exchange groove, a flowing space is provided for cold and hot air exchange;
3. through the arrangement of the heat preservation liner, heat dissipation of a plurality of three-groove heat storage bricks can be reduced.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present application.
Fig. 2 is a schematic partial cross-sectional view of an internal structure.
Fig. 3 is a schematic structural view of the heat storage assembly and the heat exchange unit.
Fig. 4 is a schematic diagram of a structure for embodying a three-channel heat storage brick.
Reference numerals illustrate: 1. a support base; 02. a heat exchange unit; 2. a heat exchange device; 21. an air inlet box; 211. an air inlet; 22. a water storage tank; 23. a heat conduction pipe; 24. a transfer bellows; 25. a blower; 251. an air outlet; 3. a water heating circuit; 31. a cold water inlet pipe; 32. a hot air communicating pipe; 33. a hot air delivery pipe; 34. a heat-preserving water net; 4. a thermal storage assembly; 41. three-groove heat accumulating brick; 411. a through groove; 412. a heat exchange tank; 413. a plug block; 414. a plug-in groove; 415. a circulation space; 5. a thermal insulation housing; 6. a sandwich panel; 61. an energizing plate; 62. a resistance wire connector; 7. a heat preservation liner; 71. a heat exchange space; 8. a temperature sensor; 9. channel steel; 10. a partition board.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses a heat accumulating furnace. Referring to fig. 1, the heat storage furnace includes a support base 1, a heat exchange unit 02 mounted on the support base 1, a heat storage assembly 4 mounted on a side of the heat exchange unit 02 remote from the support base 1, and a heat insulation housing 5 covered outside the heat exchange unit 02 and the heat storage assembly 4.
Referring to fig. 2, the thermal storage assembly 4 includes a plurality of three-groove thermal storage bricks 41 stacked in sequence, specifically, a plurality of three-groove thermal storage bricks 41 disposed along the height direction of the thermal insulation housing 5 are grouped together, and a plurality of groups are disposed along the length and width directions of the support base 1. A through slot 411 for the resistance wire to pass through is arranged on one side of each three-slot heat accumulating brick 41;
referring to fig. 1 and 2, a sandwich plate 6 is installed inside the heat insulating housing 5, the sandwich plate 6 is located at an end of the heat storage assembly 4 remote from the heat exchange unit 02, and a plurality of resistance wire connectors 62 are installed on the sandwich plate 6, and the resistance wire connectors 62 are used for connection with a plurality of resistance wires (not shown in the drawings). An energizing plate 61 for connection to a power source is mounted on the sandwich plate 6, and the sandwich plate 6 is made of a conductive material. The plurality of three-channel heat storage bricks 41 are heated by connecting the energizing plates 61 to an external power source so that an electric current is transmitted to the plurality of resistance wires through the sandwich plate 6.
The main material of the three-groove heat storage brick 41 is magnesium oxide, and is a sintered magnesium brick manufactured by using a sintering process, so that the three-groove heat storage brick 41 can have higher refractoriness and excellent alkali slag resistance.
Referring to fig. 2 and 3, a heat exchange groove 412 for exchanging heat is provided at a side of each three-groove heat storage brick 41 facing away from the through groove 411. When stacking the plurality of three-slot heat storage bricks 41, the same group of two adjacent three-slot heat storage bricks 41 are oppositely arranged so that the through slots 411 of the upper three-slot heat storage bricks 41 and the lower three-slot heat storage bricks 41 are buckled to form through holes for the resistance wires to pass through. At this time, the two heat exchange slots 412 are also buckled to form a larger circulation space 415 through which hot air and cold air pass. The adjacent two sets of three-channel heat storage bricks 41 are similarly arranged so that the resistance wires are placed along the length direction of the three-channel heat storage bricks 41.
Referring to fig. 3 and 4, in order to reduce the probability of scattering of the three-groove heat storage bricks 41, an inserting block 413 is fixedly connected to one side of each three-groove heat storage brick 41, and an inserting groove 414 in inserting fit with the inserting block 413 is formed in one side of each three-groove heat storage brick 41 opposite to the inserting block 413. The present application describes the cross section of the insertion block 413 as a semicircle.
Referring to fig. 2, in order to reduce heat loss of the heat storage module 4 and improve heating efficiency of the heat storage module 4, a heat insulation liner 7 is covered outside the heat storage module 4, and a resistance wire connector 62 connected to a plurality of resistance wires is also mounted on the heat insulation liner 7. Meanwhile, a certain space is reserved between the three-groove heat storage brick 41 and the four inner walls of the heat preservation liner 7 to form a heat exchange space 71 for the heat exchange unit 02 to exchange heat.
Referring to fig. 1 and 2, in order to monitor the temperature of the three-channel heat storage brick 41 in real time, a temperature sensor 8 is mounted on the sandwich plate 6.
Referring to fig. 1, the heat exchange unit 02 includes a heat exchange device 2 mounted on a support base 1 and a water heating circuit 3 enclosed outside a heat-insulating liner 7.
Referring to fig. 2 and 3, the heat exchange device 2 includes an air inlet box 21 mounted on the support base 1, a transfer bellows 24 mounted on the support base 1, a blower fan 25 mounted on the transfer bellows 24, a heat transfer pipe 23 communicating between the air inlet box 21 and the transfer bellows 24, and a water storage tank 22 mounted between the air inlet box 21 and the transfer bellows 24. The heat pipe 23 is provided inside the water storage tank 22.
Referring to fig. 2, three channels 9 are disposed in the water storage tank 22 away from the support base 1, and the placement direction of the channels 9 is identical to the length direction of the water storage tank 22. The channel steel 9 is lapped with a baffle plate 10 for placing a plurality of three-groove heat accumulating bricks 41. In order to increase the supporting strength of the water storage tank 22 to the plurality of three-groove heat storage bricks 41, a plurality of supporting pipes (not shown in the figure) are vertically fixedly connected in the water storage tank 22, and the plurality of supporting pipes are positioned in the gaps formed among the plurality of heat conducting pipes 23.
Referring to fig. 2 and 3, the air inlet box 21 and the air delivery box 24 are respectively located at two ends of the heat storage assembly 4, the air inlet box 21 is provided with an air inlet 211, the fan 25 is provided with an air outlet 251, the air inlet 211 and the air outlet 251 are both located in a heat exchange space 71 formed between the heat insulation liner 7 and the three-groove heat storage brick 41, and the air inlet 211 and the air outlet 251 face the direction in which the three-groove heat storage brick 41 is located.
Referring to fig. 2 and 3, the water heating circuit 3 includes a cold water inlet pipe 31 communicating with the water storage tank 22, a hot air communication pipe 32 used in connection with the water storage tank 22, a hot air delivery pipe 33 connected to a user, and a heat-insulating water net 34 connected between the hot air communication pipe 32 and the hot air delivery pipe 33.
Before use, the water inlet of the cold water inlet pipe 31 is connected with an external water source to gradually inject cold water into the water storage tank 22, the heat-preserving water net 34 and the warm air sheet.
At night, the power plate 61 is connected to an external power source to heat the plurality of three-groove heat storage bricks 41 and store heat inside the plurality of three-groove heat storage bricks 41 at the off-peak period of the power grid.
When heating is needed in daytime, an external power supply is cut off, then the fan 25 is started, cold air is blown into the heat exchange space 71 by the fan 25, the cold air is gradually diffused to the other end in the heat preservation liner 7, in the diffusion process, the cold air passes through the inside of the air flow holes to enable the cold air to be heated into hot air by the three-groove heat storage bricks 41, the hot air sequentially enters the air inlet box 21, the heat conduction pipe 23 and the transmission air box 24 through the air inlet 211, in the hot air flowing process, the hot air in the heat conduction pipe 23 is gradually subjected to heat exchange with cold water in the water storage box 22, so that water in the water storage box 22 is heated into hot water, the hot air in the heat conduction pipe 23 is changed into cold air again and gradually flows into the fan 25, the fan 25 blows the cold air again to repeat the heat exchange process, a hot air circulation loop is formed, and the water in the water storage box 22, the heat preservation water network 34 and the warm air sheet is sequentially heated into hot water along with the continuous heat exchange process, so that indoor heating is performed.
In order to enhance the heat exchange efficiency of the heat exchange device 2, a plurality of heat pipes 23 are provided, and the plurality of heat pipes 23 are uniformly distributed in the water storage tank 22.
When heating is performed, cold water in the heat preservation water network 34 is gradually heated to be hot water, the heat preservation water network 34 is insulated outside the three-groove heat storage bricks 41, at the moment, the heat preservation water network 34 can play a certain heat preservation role on the three-groove heat storage bricks 41, and heat dissipation of the three-groove heat storage bricks 41 is reduced, so that the overall heating efficiency of the heat storage furnace is enhanced.
In order to make the heat preservation of the three-groove heat storage brick 41 by the heat preservation water net 34 more comprehensive, the height of the heat preservation water net 34 is not lower than the height of the upper surface of the three-groove heat storage brick 41.
The implementation principle of the heat accumulating furnace in the embodiment of the application is as follows: before use, cold water is injected into the water storage tank 22, the heat preservation water net 34 and the warm air sheet. When the three-groove heat storage brick 41 is used, the three-groove heat storage brick 41 is heated at the off-peak period of the power grid at night so as to store heat in the three-groove heat storage brick 41, and the heat preservation liner 7 can slow down the heat dissipation of the three-groove heat storage brick 41. When heating is needed in daytime, the external power supply is cut off, the fan 25 is started, a hot air circulation loop is formed inside the heat preservation liner 7 to exchange heat, so that cold water in the water storage tank 22, the heat preservation water net 34 and the heating sheet is gradually heated into hot water to heat the room. Because the heat preservation water net 34 surrounds the outside of the three-groove heat storage bricks 41, the heat preservation effect can be achieved on the three-groove heat storage bricks 41, the heat dissipation of the three-groove heat storage bricks 41 is reduced, and the heating efficiency of the heat storage furnace is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (9)
1. A regenerative furnace, characterized in that: the heat-insulating device comprises a support base (1), a heat exchange unit (02) arranged on the support base (1), a heat storage component (4) arranged on one side of the heat exchange unit (02) far away from the support base (1), and a heat-insulating shell (5) covered outside the heat exchange unit (02) and the heat storage component (4);
the heat storage assembly (4) comprises a plurality of three-groove heat storage bricks (41) which are sequentially overlapped; a plurality of three-groove heat accumulating bricks (41) arranged along the height direction are arranged into a group, a plurality of groups are respectively arranged along the length direction and the width direction of the supporting base (1), and three through grooves (411) for the resistance wires to pass through are formed in one side of each three-groove heat accumulating brick (41);
the three-groove heat accumulating brick (41) is mainly made of magnesium oxide;
the heat-insulating shell (5) internally mounted has sandwich plate (6), sandwich plate (6) are located heat storage component (4) and keep away from the one end of heat exchange unit (02), install on sandwich plate (6) and be used for the circular telegram board (61) of being connected with the power, install a plurality of resistance wire joints (62) of being connected with the resistance wire on sandwich plate (6).
2. The regenerative furnace according to claim 1, wherein: the three-groove heat accumulating brick (41) is a sintered magnesia brick manufactured by using a sintering process.
3. The regenerative furnace according to claim 2, wherein: a heat exchange groove (412) for heat exchange is formed in one side, away from the through groove (411), of each three-groove heat storage brick (41);
the two through slots (411) are buckled to form a through hole by the opposite arrangement of the two adjacent three-slot heat accumulating bricks (41) in the same group.
4. A regenerative furnace as claimed in claim 3, wherein: the outer part of the three-groove heat accumulating bricks (41) is covered with a heat insulating inner container (7), and a resistance wire connector (62) connected with a plurality of resistance wires is also arranged on the heat insulating inner container (7);
certain spaces are reserved between the three-groove heat storage brick (41) and the four inner walls of the heat preservation inner container (7) so as to form a heat exchange space (71) for heat exchange of the heat exchange unit (02).
5. The regenerative furnace according to claim 1, wherein: the inside of the heat preservation shell (5) is provided with a temperature sensor (8), and the temperature sensor (8) is arranged on the sandwich plate (6).
6. The regenerative furnace according to claim 4, wherein: the heat exchange unit (02) comprises a heat exchange device (2) arranged on the support base (1) and a water heating loop (3) surrounding the outside of the heat preservation liner (7), one end of the water heating loop (3) is communicated with the heat exchange device (2), and the other end of the water heating loop is communicated with the indoor radiator.
7. The regenerative furnace according to claim 6, wherein: the heat exchange device (2) comprises an air inlet box (21) arranged on the supporting base (1), a transmission air box (24) arranged on the supporting base (1), a fan (25) arranged on the transmission air box (24), a heat conduction pipe (23) communicated between the air inlet box (21) and the transmission air box (24) and a water storage tank (22) arranged outside the heat conduction pipe (23), wherein the water storage tank (22) is communicated with an external water source;
an air inlet (211) is formed in the air inlet box (21), an air outlet (251) is formed in the fan (25), and the air inlet (211) and the air outlet (251) are both positioned in the heat exchange space (71);
the two ends of the heat conduction pipe (23) respectively extend into the air inlet box (21) and the transmission bellows (24).
8. The regenerative furnace according to claim 7, wherein: the water heating loop (3) comprises a cold water inlet pipe (31) communicated with the water storage tank (22), a hot air communicating pipe (32) communicated with the water storage tank (22), a hot air conveying pipe (33) connected with a radiator of a user and a heat preservation water network (34) connected between the hot air communicating pipe (32) and the hot air conveying pipe (33);
one end of the hot air conveying pipe (33) far away from the radiator is closed.
9. The regenerative furnace according to claim 8, wherein: the height of the heat preservation water net (34) is not lower than the height of the upper surface of the three-groove heat storage brick (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223603401.5U CN219036788U (en) | 2022-12-30 | 2022-12-30 | Heat accumulating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223603401.5U CN219036788U (en) | 2022-12-30 | 2022-12-30 | Heat accumulating furnace |
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| Publication Number | Publication Date |
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| CN219036788U true CN219036788U (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223603401.5U Active CN219036788U (en) | 2022-12-30 | 2022-12-30 | Heat accumulating furnace |
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| CN (1) | CN219036788U (en) |
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2022
- 2022-12-30 CN CN202223603401.5U patent/CN219036788U/en active Active
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