CN219656329U - Low-cost solid heat accumulation boiler - Google Patents
Low-cost solid heat accumulation boiler Download PDFInfo
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- CN219656329U CN219656329U CN202322129595.8U CN202322129595U CN219656329U CN 219656329 U CN219656329 U CN 219656329U CN 202322129595 U CN202322129595 U CN 202322129595U CN 219656329 U CN219656329 U CN 219656329U
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- 239000007787 solid Substances 0.000 title claims abstract description 24
- 238000009825 accumulation Methods 0.000 title claims description 10
- 238000005338 heat storage Methods 0.000 claims abstract description 118
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000005192 partition Methods 0.000 claims abstract description 28
- 238000004321 preservation Methods 0.000 claims abstract description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 92
- 239000000395 magnesium oxide Substances 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 210000000078 claw Anatomy 0.000 claims description 7
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 5
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 5
- 239000012212 insulator Substances 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000011232 storage material Substances 0.000 abstract description 4
- 239000011449 brick Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A low-cost solid heat storage boiler belongs to the technical field of heat storage boilers and solves the problems of high heat storage material cost, poor stability, low heat supply efficiency, high maintenance cost and poor adaptability of the heat storage materials due to the limitation of the shape of the heat storage bodies in the prior art. The device comprises a furnace body provided with a heat preservation layer, wherein a partition is arranged in the furnace body, and an air channel is arranged on the partition; a plurality of layers of heat storage net racks containing heat storages are arranged in the heat storage cavity of the furnace body, and heating bodies are arranged in the middle of the heat storage net racks; the side parts of the heat storage net rack are connected with net rack connecting upright posts which are vertically arranged, and the end parts of the net rack connecting upright posts are respectively connected with net rack transverse rails which are fixedly arranged on the inner wall of the furnace body; the heat exchange cavity of the furnace body is internally provided with a heat exchanger, and a heat exchange fan is arranged below the heat exchanger. The heat storage device is reasonable in design, stable in structure, free of limitation of the shape of the heat storage body, low in heat storage material cost, strong in heat supply flexibility, large in heat dissipation area, high in heat supply efficiency and convenient to maintain.
Description
Technical Field
The utility model belongs to the technical field of heat accumulating boilers, and particularly relates to a low-cost solid heat accumulating boiler which is stable in structure, free of limitation of the shape of a heat accumulator, low in cost of a heat accumulating material, capable of meeting the use requirements of heat accumulating bodies of different sizes, capable of adjusting a customized structure according to the real-time requirements of customers, strong in heat supply flexibility, large in heat radiating area, high in heat supply efficiency and convenient to maintain.
Background
The existing heat accumulating boiler is divided into a water heat accumulating boiler and a solid heat accumulating boiler, the heat accumulator is heated by a heating body, heat is accumulated by utilizing the characteristic that the temperature of the heat accumulator is high and the heat dissipation is slow, a large amount of heat generated by the heat accumulator is transferred to water in a heat exchange cavity through a heat exchange system to heat the water, and a new carrier is brought into a heat exchanger to be circularly heated, so that a heat supply effect is achieved. Because of the heat storage function, the heat storage boiler equipment can heat and store heat in low electricity prices and release heat in peak flat electricity prices, and the purpose of reducing heat supply cost is realized in a peak shifting electricity utilization mode, so that regional heat supply is realized.
The defects of the conventional two heat accumulating boilers in application and operation are as follows:
1. the water heat accumulating boiler needs a large amount of water sources for heat accumulation due to lower heat accumulating temperature, so that the water heat accumulating boiler has the advantages of large occupied area, fast heat dissipation, high energy consumption, low energy utilization rate and high operation cost.
2. The solid heat accumulating boiler mostly adopts alkaline fireproof magnesia bricks for heat accumulation, however, the magnesia bricks have the following technical defects:
(1) The price of the magnesia brick is high, so that the cost of the solid heat storage boiler is 50% -200% higher than that of the water heat storage boiler, and the solid heat storage boiler has better heat storage effect and saves more energy, but has fewer market applications;
(2) Because of the limitation of the quality of raw ore, the high-purity and high-quality product is difficult to obtain, the manufacturing period of the magnesia brick is long, the purification process is difficult, the limitation of the market production period is large, the cost of the finished product is high, and the quality is unstable;
(3) The heat accumulator piled up by the magnesia bricks cannot use adhesive materials, can only be piled up, and has poor stability and shock resistance;
(4) The heat in the center of the piled magnesia bricks is large, but the magnesia bricks cannot be effectively dissipated, meanwhile, the magnesia bricks have poor high-temperature compression resistance, the center is fragile, and the heat dissipation is influenced, and meanwhile, the risk of cracking and collapsing of the heat accumulator is increased;
(5) The magnesia brick has poor hydration resistance, is easy to hydrate when meeting water, generates cracks, has low yield, high storage and transportation cost, is easy to consume when in use, and has low service life;
(6) The magnesia brick has long construction period, needs to be integrally re-piled if damaged, has high maintenance cost, cannot be changed after equipment is installed, and has poor adaptability.
There is a need for an improvement over the solid state heat storage boilers of the prior art.
Disclosure of Invention
The utility model aims at the problems, and provides the low-cost solid heat storage boiler which has the advantages of stable structure, low heat storage material cost, capability of meeting the use requirements of heat storages with different sizes, capability of adjusting the customized structure according to the real-time requirements of customers, strong heat supply flexibility, large heat dissipation area, high heat supply efficiency and convenient maintenance, and is not limited by the shape of the heat storages.
The technical scheme adopted by the utility model is as follows: the low-cost solid heat storage boiler comprises a boiler body, wherein a heat preservation layer is arranged on the boiler body, a partition is arranged in the boiler body, one side of the partition is a heat storage cavity, the other side of the partition is a heat exchange cavity, and an air channel is arranged on the partition; a plurality of layers of heat storage net racks with upper openings are arranged in the heat storage cavity, heat storages are respectively arranged in the cavities of the heat storage net racks, and heating bodies are respectively arranged in the middle of the heat storage net racks; the side parts of the heat storage net racks are connected with net rack connecting upright posts which are vertically arranged, and the end parts of the net rack connecting upright posts are respectively connected with net rack transverse rails fixedly arranged on the inner wall of the furnace body; the heat exchange cavity is internally provided with a heat exchanger, a water inlet and a water outlet of the heat exchanger are both positioned outside the furnace body, a heat exchange fan is further arranged below the heat exchanger, and a rotating shaft of the heat exchange fan is connected with an output end of the heat exchange fan positioned outside the furnace body.
The side parts of two ends of the heat storage net rack are respectively provided with net rack panels connected with net rack connecting upright posts, and two ends of each net rack panel are respectively provided with upright post clamping claws; correspondingly, the net rack connecting upright post is also provided with a plurality of groups of panel clamping holes which are vertically equidistantly arranged. The vertical column clamping claws at the end parts of the net rack and the net rack are connected with the panel clamping holes at different positions on the vertical column, so that the position of the heat storage net rack in the vertical direction is adjusted conveniently, and the heat storage net rack is suitable for connection and use of heat storage net racks with different height sizes.
Still be provided with the rack fixed orifices on the rack connection stand, the heat accumulation rack passes through fastening bolt and rack fixed orifices on the rack connection stand and links to each other fixedly. So as to firmly connect the heat storage net rack on the net rack connecting upright post, thereby improving the use reliability.
The upper and lower both ends of rack connection stand are provided with the stand joint mouth respectively, and the tip of rack connection stand passes through the protruding looks joint of rail flange on stand rail of stand joint mouth and the rack rail. With the slip joint of protruding edge of rail on with the rack rail through stand joint, be convenient for to the free adjustment of the distance between the stand of two adjacent rack connection, and then adapt to the connection and the use of different width dimension heat accumulation racks.
The partition extends downwards from the top of the inner wall of the furnace body to the middle of the furnace body, and the heat exchange fan is positioned below the lower end of the partition. The semi-closed partition structure is utilized to facilitate the heat exchange fan to drive the heat exchange fan to bring new air and carry out cyclic heating.
The cavity of the heat storage net rack is formed by enclosing a bearing net. So that the heat accumulating net frame is convenient for accommodating the large sintered magnesia, and the mesh size of the supporting net is determined according to the size of the magnesia crystal.
The cavity of the heat storage net rack is formed by enclosing bearing plates. So as to be beneficial to the storage of the fine-grained sintered magnesia by the heat storage net rack and convenient to use.
A plurality of groups of insulation bases are arranged below the heat storage net rack at the lowest layer, and a plurality of groups of insulators are arranged between the heat storage net rack at the highest layer and the upper wall of the furnace body above the heat storage net rack. The electric shock or electric shock danger caused by the voltage higher than 60V to the human body is effectively prevented by the insulators arranged in the furnace body and on the upper side and the lower side.
The heat accumulator is sintered magnesia. The low-cost sintered magnesia which cannot be piled up and formed is contained in the heat storage net rack, and the sintered magnesia is used for replacing magnesia bricks which are high in cost, complex in processing and poor in structural stability, so that the working procedures are reduced, and the production cost is reduced; because the sintered magnesia does not need to be sintered into bricks, at least eight working procedures of crushing particles, mixing materials, batching, adding binding agents, mixing into pug, forming, drying, sintering and the like are reduced, so that the cost of raw materials is only 35-60% of that of the magnesia, and air and water pollution caused in the process of processing the magnesia is effectively avoided.
The heating body is a nickel-chromium electrothermal alloy heating wire, and the alloy heating wire is arranged in a concave shape in the heat storage net rack. The heat accumulator in the heat accumulating net frame is heated by the heating wires of the electrothermal nickel-chromium alloy.
The utility model has the beneficial effects that: because the utility model adopts the furnace body with the heat preservation layer, the inside of the furnace body is provided with the partition, one side of the partition is a heat storage cavity, the other side of the partition is a heat exchange cavity, and the partition is provided with the air duct; a plurality of layers of heat storage net racks are arranged in the heat storage cavity, heat storages are respectively arranged in the cavities of the heat storage net racks, and heating bodies are respectively arranged in the middle parts of the heat storage net racks; the side parts of the heat storage net rack are connected with net rack connecting upright posts which are vertically arranged, and the end parts of the net rack connecting upright posts are respectively connected with net rack transverse rails which are fixedly arranged on the inner wall of the furnace body; the heat exchange cavity is internally provided with the heat exchanger, and the structural form of the heat exchange fan is arranged below the heat exchanger, so that the heat exchange cavity is reasonable in design and compact in structure, and the low-cost heat accumulator which cannot be stacked and formed is arranged in the heat accumulation net rack through the frame type structure, so that various forms of magnesia can be supported, and even if the sintered magnesia is cracked, heat can still be accumulated; the sintered magnesia heat accumulator is heated by the heating body, heat is accumulated by the characteristics of high heat accumulation temperature and slow heat dissipation of the sintered magnesia, a large amount of heat generated by the heat accumulator is transferred to water in the heat exchanger for heating by the heat exchange system, and new air is brought into the heat exchanger by the heat exchange fan for circulating heating, so that a heat supply effect is achieved. The sintered magnesia has the advantages of easily obtained materials, less production procedures, high temperature resistance, slow heat dissipation, strong hydration capacity and the like, obviously reduces the cost of the heat accumulator and improves the economic value.
In addition, the utility model has stable structure, adopts a mode of fixing a transverse and vertical frame formed by the net rack connecting upright posts and the net rack transverse rails, does not need to pile up a heat accumulator, reduces the risks of broken stone and collapse, and has high shock resistance and stability and safety; and the height of the heat storage net rack and the width between the two net rack connecting upright posts can be freely adjusted, the requirements of different heat storage body sizes can be met, the operation is simple and easy, and the heat storage net rack is not limited by the shape of the heat storage body. The maintenance cost is greatly reduced by using a tiling mode, if defective heat accumulator products appear, only the defective heat accumulator needs to be replaced, and reconstruction is not needed. In addition, the heat storage net rack adopts a structure form that the lower side and the periphery are wrapped and surrounded and the upper side is opened, thereby saving net rack materials, reducing cost, simultaneously increasing at least 50 percent of heat dissipation area and obviously improving heat supply efficiency. Meanwhile, the high-temperature resistant heat dissipation of the sintered magnesia adopted by the utility model is slow, and the magnesia can store heat to 500 ℃; at this temperature, the heating body can be heated by using the off-peak electricity price, and the circulating water is continuously heated by using the heat stored in the heat storage body. The solid heat storage boiler stores heat for 4 hours, can realize the heat supply in 24 hours of the whole day, effectively improves the energy utilization rate, reduces the energy consumption, saves energy and reduces emission, and improves the economic benefit.
Drawings
Fig. 1 is a schematic view of a structure of the present utility model.
Fig. 2 is a schematic view of a connection structure of the heat storage rack of fig. 1 with rack connection columns and rack rails.
Fig. 3 is an enlarged view of a partial structure at a in fig. 2.
Fig. 4 is an enlarged view of a partial structure at B in fig. 2.
Fig. 5 is a schematic view of a structure of the heat accumulating rack (for holding large sintered magnesia) of fig. 1.
Fig. 6 is a schematic view of another structure of the heat accumulating rack (for holding fine sintered magnesia) of fig. 1.
Fig. 7 is a schematic view of the structure of the inside of the furnace body and the heat storage chamber in fig. 1.
The serial numbers in the figures illustrate: the heat-insulating furnace comprises a furnace body 1, a heat-insulating layer 2, a cross rail of a net frame 3, a net frame connecting upright post 4, a heat-insulating net frame 5, a heat-insulating body 6, a heating body 7, an insulating base 8, an insulating body 9, a heat-insulating cavity 10, a partition wall 11, an air duct 12, a heat-exchanging cavity 13, a heat exchanger 14, a water outlet 15, a water inlet 16, a heat-exchanging fan 17, a heat-exchanging fan 18, a net frame panel 19, a net frame clamping interface 20, a cross rail protruding edge 21, a panel clamping hole 22, a net frame fixing hole 23, a net frame clamping claw 24, a supporting net 25 and a supporting plate 26.
Detailed Description
The specific structure of the present utility model will be described in detail with reference to fig. 1 to 7. The low-cost solid heat storage boiler comprises a boiler body 1 provided with a heat preservation layer 2, wherein a partition 11 which is vertically arranged is arranged in the boiler body 1; one side of the partition 11 is a heat storage cavity 10, the other side of the partition 11 is a heat exchange cavity 13, and an air duct 12 is arranged on the partition 11. The partition 11 extends downwards from the top of the inner wall of the furnace body 1 to the middle part of the furnace body 1, and the heat exchange fan 17 is positioned below the lower end of the partition 11 (as shown in fig. 7); the semi-closed partition 11 structure is utilized to facilitate the heat exchange fan 18 to drive the heat exchange fan 17 to bring new air and carry out cyclic heating.
A plurality of layers of heat storage net racks 5 with upper openings are arranged in the heat storage cavity 10 of the furnace body 1, and heat storages 6 (shown in fig. 7) are respectively arranged in the cavities of the heat storage net racks 5. The heat accumulator 6 can adopt sintered magnesia, so that the low-cost sintered magnesia which cannot be piled up and formed is contained in the heat accumulating net frame 5, and the sintered magnesia is used for replacing magnesia bricks with high cost, complex processing and poor structural stability, so that the working procedures are reduced, and the production cost is reduced. Meanwhile, because the sintered magnesia does not need to be sintered into bricks, at least eight procedures of crushing particles, mixing materials, batching, adding binding agents, mixing into pug, forming, drying, sintering and the like are reduced, so that the cost of raw materials is only 35-60 percent (according to different purities and different prices of the magnesia), and air and water pollution caused in the process of processing the magnesia is effectively avoided.
It can be understood that, according to specific use needs, the cavity of the heat storage rack 5 with the upper opening can be enclosed by the supporting net 25 (as shown in fig. 5), so that the heat storage rack 5 can hold large sintered magnesia, and the mesh size of the supporting net 25 is determined according to the size of magnesia crystals. Meanwhile, the cavity of the heat storage net frame 5 can also be formed by enclosing the support plate 26 without holes (as shown in fig. 6), so that the heat storage net frame 5 is favorable for containing fine sintered magnesia and is convenient to use.
And the middle part of the heat storage net frame 5 is also respectively provided with a heating body 7. The heating body 7 can be a nickel-chromium electrothermal alloy heating wire, and the alloy heating wire is arranged in a concave shape in the heat storage net frame 5 (as shown in fig. 5 and 6); the heat accumulator 6 contained in the heat accumulating net frame 5 is heated by utilizing the nickel-chromium electrothermal alloy heating wires arranged in the heat accumulator 6, heat is accumulated by utilizing the characteristics of high heat accumulating temperature and slow heat dissipation of the sintered magnesia, a large amount of heat generated by the heat accumulator 6 is transferred to water in the heat exchanger 14 through the heat exchange system to heat the water, and new air is brought into the heat exchange fan 18 to be circularly heated, so that a heat supply effect is achieved.
The side parts of the two ends of the heat storage net rack 5 are respectively provided with net rack panels 19 (shown in figure 2) for connecting with two net rack connecting upright posts 4, and the two ends of the net rack panels 19 are respectively provided with upright post clamping claws 24; correspondingly, a plurality of groups of panel clamping holes 22 (shown in fig. 4) which are arranged at equal intervals along the vertical direction are also arranged on the net rack connecting upright post 4 which is arranged vertically. Furthermore, the side parts of the heat storage net frame 5 are connected with two groups of net frame connecting posts 4 which are vertically arranged by utilizing the connection of the post claws 24 at the end parts of the net frame panels 19 and the panel clamping holes 22 at different positions on the net frame connecting posts 4, and the position of the heat storage net frame 5 in the vertical direction is convenient to adjust, so that the heat storage net frame 5 is suitable for connection and use of the heat storage net frames 5 with different height sizes. In addition, the net rack connecting upright post 4 is also provided with a net rack fixing hole 23, and the heat storage net rack 5 is fixedly connected with the net rack fixing hole 23 on the net rack connecting upright post 4 through a fastening bolt; thereby, the heat storage net frame 5 is firmly connected to the net frame connecting upright post 4, and the use reliability is improved.
The net rack is connected with the upper end part and the lower end part of the upright post 4 and is also respectively connected with a net rack transverse rail 3 fixedly arranged on the inner walls of the upper part and the lower part of the furnace body 1. The upper and lower ends of the net rack connecting upright post 4 are respectively provided with an upright post clamping interface 20, and the end part of the net rack connecting upright post 4 is clamped with a transverse rail convex edge 21 on the net rack transverse rail 3 through the upright post clamping interfaces 20 (as shown in figure 3). Furthermore, the free adjustment of the distance between two adjacent net rack connecting posts 4 is facilitated by the sliding clamping connection of the post clamping connector 20 and the cross rail convex edge 21 on the net rack cross rail 3 so as to adapt to the connection and use of the heat storage net racks 5 with different width sizes.
The heat exchange cavity 13 of the furnace body 1 is internally provided with a heat exchanger 14, a water inlet 16 and a water outlet 15 of the heat exchanger 14 are both positioned outside the furnace body 1, a heat exchange fan 17 is also arranged below the heat exchanger 14, and a rotating shaft of the heat exchange fan 17 is connected with an output end of a heat exchange fan 18 positioned outside the furnace body 1. And, a plurality of groups of insulating bases 8 are arranged below the heat storage net rack 5 at the lowest layer, and a plurality of groups of insulators 9 (shown in fig. 1) are also arranged between the heat storage net rack 5 at the highest layer and the upper wall of the furnace body 1 above the heat storage net rack 5. Thereby effectively preventing electric shock or electric shock danger to human body caused by voltage higher than 60V through the insulator 9 arranged in the furnace body 1 and on the upper and lower sides.
When the low-cost solid heat storage boiler is used, firstly, according to the width size of the used heat storage net rack 5, the distance between two adjacent net rack connecting posts 4 is adjusted by utilizing the sliding clamping connection between the post clamping connector 20 and the transverse rail convex edge 21 on the net rack transverse rail 3. And then, the heat storage net frame 5 is fixedly connected to the net frame connecting upright posts 4 in vertical arrangement through the connection of the upright post clamping claws 24 at the end parts of the net frame panels 19 and the panel clamping holes 22 at corresponding positions on the net frame connecting upright posts 4. After the position of the heat storage net frame 5 is fixed, the low-cost sintered magnesia which cannot be piled up and formed is contained in the cavity of the heat storage net frame 5; according to specific conditions, a mode of connecting the heat storage net racks 5 layer by layer and containing the sintered magnesia can be adopted, and a mode of connecting all the heat storage net racks 5 and then uniformly containing the sintered magnesia can also be adopted. Then, the sintered magnesia (heat accumulator 6) contained in the heat accumulating net frame 5 is heated by a nickel-chromium electrothermal alloy heating wire (heating body 7), and the characteristics of high heat accumulating temperature and low heat dissipation of the sintered magnesia are utilized for heat accumulation. After the heat storage cavity 10 heats and stores heat, the heat exchange fan 17 is driven to rotate by the heat exchange fan 18 of the heat exchange system, so that a large amount of heat generated by the heat storage body 6 in the heat storage cavity 10 is transferred to the heat exchanger 14 in the heat exchange cavity 13 through the air duct 12 on the partition 11, and cold water in the heat exchanger 14 is heated, namely: cold water enters the heat exchanger 14 through the water inlet 16 for heating, hot water is output from the water outlet 15, and new air is brought into the heat exchanger by the heat exchange fan 18 for circulating heating, so that the heat supply work is completed.
Claims (10)
1. The utility model provides a low-cost solid heat accumulation boiler, includes furnace body (1), is provided with heat preservation (2) on furnace body (1), its characterized in that: a partition wall (11) is arranged in the furnace body (1), one side of the partition wall (11) is a heat storage cavity (10), the other side of the partition wall (11) is a heat exchange cavity (13), and an air duct (12) is arranged on the partition wall (11); a plurality of layers of heat storage net racks (5) with upper openings are arranged in the heat storage cavity (10), heat storages (6) are respectively arranged in the cavities of the heat storage net racks (5), and heating bodies (7) are respectively arranged in the middle of the heat storage net racks (5); the side part of the heat storage net rack (5) is connected with a net rack connecting upright post (4) which is vertically arranged, and the end parts of the net rack connecting upright posts (4) are respectively connected with net rack transverse rails (3) which are fixedly arranged on the inner wall of the furnace body (1); the heat exchange cavity (13) is internally provided with a heat exchanger (14), a water inlet (16) and a water outlet (15) of the heat exchanger (14) are both positioned outside the furnace body (1), and a heat exchange fan (17) is also arranged below the heat exchanger (14), and a rotating shaft of the heat exchange fan (17) is connected with an output end of a heat exchange fan (18) positioned outside the furnace body (1).
2. The low cost solid state heat storage boiler of claim 1 wherein: the side parts of two ends of the heat storage net rack (5) are respectively provided with net rack panels (19) which are connected with net rack connecting upright posts (4), and two ends of each net rack panel (19) are respectively provided with upright post clamping claws (24); correspondingly, a plurality of groups of panel clamping holes (22) which are arranged at equal intervals along the vertical direction are also arranged on the net rack connecting upright post (4).
3. The low cost solid state heat storage boiler of claim 2 wherein: the grid connecting upright post (4) is also provided with a grid fixing hole (23), and the heat storage grid (5) is fixedly connected with the grid fixing hole (23) on the grid connecting upright post (4) through a fastening bolt.
4. The low cost solid state heat storage boiler of claim 1 wherein: the upper end and the lower end of the net rack connecting upright post (4) are respectively provided with an upright post clamping interface (20), and the end part of the net rack connecting upright post (4) is clamped with a transverse rail convex edge (21) on the net rack transverse rail (3) through the upright post clamping interfaces (20).
5. The low cost solid state heat storage boiler of claim 1 wherein: the partition (11) extends downwards from the top of the inner wall of the furnace body (1) to the middle of the furnace body (1), and the heat exchange fan (17) is positioned below the lower end of the partition (11).
6. The low cost solid state heat storage boiler of claim 1 wherein: the cavity of the heat storage net rack (5) is enclosed by a supporting net (25).
7. The low cost solid state heat storage boiler of claim 1 wherein: the cavity of the heat storage net rack (5) is formed by enclosing a bearing plate (26).
8. The low cost solid state heat storage boiler of claim 1 wherein: a plurality of groups of insulating bases (8) are arranged below the heat storage net rack (5) at the lowest layer, and a plurality of groups of insulators (9) are arranged between the heat storage net rack (5) at the highest layer and the upper wall of the furnace body (1) above the heat storage net rack.
9. The low cost solid state heat storage boiler of claim 1 wherein: the heat accumulator (6) is sintered magnesia.
10. The low cost solid state heat storage boiler of claim 1 wherein: the heating body (7) is a nickel-chromium electrothermal alloy heating wire, and the alloy heating wire is arranged in a concave shape in the heat storage net rack (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322129595.8U CN219656329U (en) | 2023-08-09 | 2023-08-09 | Low-cost solid heat accumulation boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322129595.8U CN219656329U (en) | 2023-08-09 | 2023-08-09 | Low-cost solid heat accumulation boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219656329U true CN219656329U (en) | 2023-09-08 |
Family
ID=87876801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322129595.8U Active CN219656329U (en) | 2023-08-09 | 2023-08-09 | Low-cost solid heat accumulation boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219656329U (en) |
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2023
- 2023-08-09 CN CN202322129595.8U patent/CN219656329U/en active Active
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