CN217560437U - Industrial waste heat recycling device - Google Patents
Industrial waste heat recycling device Download PDFInfo
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- CN217560437U CN217560437U CN202221117762.6U CN202221117762U CN217560437U CN 217560437 U CN217560437 U CN 217560437U CN 202221117762 U CN202221117762 U CN 202221117762U CN 217560437 U CN217560437 U CN 217560437U
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- waste heat
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- 239000002440 industrial waste Substances 0.000 title claims abstract description 23
- 238000004064 recycling Methods 0.000 title claims abstract description 16
- 238000004146 energy storage Methods 0.000 claims abstract description 41
- 238000010248 power generation Methods 0.000 claims abstract description 40
- 230000032683 aging Effects 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 20
- 239000002918 waste heat Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 56
- 229910000897 Babbitt (metal) Inorganic materials 0.000 claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 10
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 239000011257 shell material Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 17
- 229910052602 gypsum Inorganic materials 0.000 abstract description 17
- 239000010440 gypsum Substances 0.000 abstract description 17
- 238000001035 drying Methods 0.000 abstract description 15
- 238000001354 calcination Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000009776 industrial production Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000003837 high-temperature calcination Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005678 Seebeck effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Abstract
The utility model provides an industrial waste heat recycling device for there is the unable rational utilization's of low-grade waste heat resource problem in solving current industrial production system. An industrial waste heat recycling device comprises receiving waste heat recycling industrial equipment, aging and cooling equipment, a dust removal system, a chimney, a heat exchanger, a heat energy storage device, a temperature difference power generation device and an energy storage device; the drying and calcining equipment is respectively communicated with the aging and cooling equipment and the dust removal system; the outer surface of the aging cooling equipment is connected with a group of temperature difference power generation devices; the dust removal system is connected with the chimney; the heat exchanger is positioned inside the chimney; the heat exchanger is connected with the heat energy storage device, and the outer surface of the heat energy storage device is connected with another group of temperature difference power generation devices; and the two groups of temperature difference power generation devices are connected with an energy storage device. The utility model discloses can effectively retrieve, utilize the high-temperature gas that building gypsum produced at the high temperature calcination process, reduce heat loss, reduce the production energy consumption of enterprise.
Description
Technical Field
The utility model relates to a heat recovery device, concretely relates to industry waste heat recovery utilizes device.
Background
At present, industrial enterprises such as steel, cement, building gypsum, food and the like generally generate a large amount of industrial waste heat in the production process, the industrial waste heat contains large heat energy, but if the heat energy is not reasonably utilized, the heat energy is directly discharged into the atmosphere, and energy waste and economic loss are caused.
At present, only part of the industrial waste heat is recycled, for example, sintering waste heat of enterprises such as steel and iron is used for heating water to drive a steam turbine to do work, and a generator is driven to generate power. However, the investment cost of the waste heat power generation project is relatively high, and because a plurality of low-grade industrial waste heat resources have dispersed heat sources and small scale, the scale effect cannot be realized at all by implementing the traditional waste heat power generation project, and the economic feasibility is not realized.
In summary, no ideal device or method for recycling, utilizing and popularizing low-grade industrial waste heat resources exists at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the low-grade waste heat resource can not be reasonably utilized in the existing industrial production system, providing an industrial waste heat recycling device, which is mainly applied to industrial production systems such as steel, cement, building gypsum, food, textile and the like.
The device can effectively recover and recycle low-grade waste heat resources generated in production engineering by industrial equipment such as drying and calcining, high-temperature flue gas discharged by the equipment is recovered and recycled, high-temperature heat energy of waste heat tail gas is recovered and subjected to heat exchange through the heat exchanger, water on the inner surface of the heat exchanger is heated, then the heat energy is stored in the hot water and is input into the hot water tank, and then the high-temperature surface of the thermoelectric generation module is in contact with the surface of the hot water tank; or under the condition of not influencing the production process, the high-temperature surface of the thermoelectric generation module can be directly arranged on the outer surface of high-temperature equipment such as an aging cooler; the low-temperature surface of the temperature difference power generation module is installed in contact with air, the current output end of the temperature difference power generation device is connected with the energy storage device through a lead, the current generated by the temperature difference power generation device is continuously stored in the energy storage device, and the current of the energy storage device is converted into a power supply required by equipment such as industrial illumination and the like through inverter equipment, so that the recovery and utilization of industrial waste heat resources are realized, the production energy consumption of industrial production enterprises is effectively reduced, the energy loss is reduced, the production cost is reduced, and great economic benefit and social benefit are generated.
In order to solve the above problem, the technical scheme of the utility model is as follows:
an industrial waste heat recycling device is characterized in that: the device comprises an aging cooling device, a dedusting system, a chimney, a heat exchanger, a heat energy storage device, two groups of temperature difference power generation devices and an energy storage device;
the aging cooling equipment and the dust removal system are respectively used for connecting to-be-recovered waste heat industrial equipment, and the drying and calcining equipment is one of the to-be-recovered waste heat industrial equipment;
the outer surface of the aging cooling equipment is connected with a group of temperature difference power generation devices;
the dust removal system is connected with the chimney;
the heat exchanger is positioned inside the chimney;
the heat exchanger is connected with the heat energy storage device, and the outer surface of the heat energy storage device is connected with another group of temperature difference power generation devices;
and the two groups of temperature difference power generation devices are electrically connected with an energy storage device.
Further, the system also comprises an inverter and industrial electric equipment;
and the energy storage device is electrically connected with the inverter and the industrial electric equipment in sequence.
Further, the dust removal system comprises a dust remover and a fan which are connected with each other;
the dust remover is connected with the reception waste heat recovery industrial equipment;
the fan is connected with the chimney.
Further, the heat energy storage device comprises a cold water pipeline, a hot water pipeline and a closed pressure-bearing metal water tank;
the inlet of the cold water pipeline is connected with the outlet of the closed pressure-bearing metal water tank;
the outlet of the cold water pipeline is connected with the inlet of the heat exchanger;
the outlet of the hot water pipeline is connected with the inlet of the closed pressure-bearing metal water tank;
the inlet of the hot water pipeline is connected with the outlet of the heat exchanger;
the other group of temperature difference power generation devices are arranged on the outer surface of the closed pressure-bearing metal water tank.
Furthermore, the heat-insulating layer of the hot water pipeline is made of aluminum silicate fibers, rock wool and aluminum shell materials.
Further, the thermoelectric generation device comprises a plurality of connected seebeck thermoelectric semiconductor thermoelectric generation pieces;
the high-temperature end of the seebeck thermoelectric semiconductor thermoelectric power generation piece is arranged on the outer surface of the closed pressure-bearing metal water tank or the aging cooling equipment, and the low-temperature end of the seebeck thermoelectric semiconductor thermoelectric power generation piece is in contact with air.
Compared with the prior art, the beneficial effects of the utility model are specifically as follows:
1. the utility model discloses combine different production facility and operating mode, can effectively retrieve, utilize the high-temperature gas that building gypsum was discharged in the high temperature calcination process, fully retrieve, store the heat energy in the high temperature tail gas to the utmost extent through devices such as heat exchangers, form stable difference in temperature, provide lasting, stable operating mode for thermoelectric generation device, form lasting current output, can also directly install thermoelectric generation device on the outer wall of high temperature equipment such as ageing cooling arrangement; and then the current generated by the temperature difference power generation device is converged, stored and converted into an industrially usable power supply through equipment such as an energy storage device, an inverter and the like, and the industrially usable power supply is provided for equipment such as illumination and the like, so that the heat energy of the high-temperature gas is recovered and reused, the heat energy loss is reduced, the production energy consumption of enterprises is reduced, and the economic benefit is improved.
2. The utility model discloses compare traditional waste heat power generation, what adopt is the thermoelectric generation equipment who comprises a series of seebeck thermoelectric semiconductor thermoelectric generation pieces, and this power generation equipment is direct turns into the electric energy with heat energy, great reduction heat energy transformation to step and energy loss of other energies.
3. The utility model discloses it is less to compare traditional waste heat power generation (steam turbine electricity generation) required investment cost, and equipment, maintenance cost are also less moreover, consequently can be economy, utilize low grade industry waste heat resources such as waste heat temperature is low, heat source dispersion effectively, along with the development of semiconductor, energy storage technology, thermoelectric generation's efficiency can be higher and higher, and the cost also can be lower and lower, has great economic benefits, wide development, application prospect.
Drawings
Fig. 1 is a schematic structural view of an industrial waste heat recycling device according to the present invention;
fig. 2 is a partially enlarged view of fig. 1.
The reference numbers are specifically as follows:
1-drying and calcining equipment, 2-aging and cooling equipment, 3-dedusting system, 31-deduster, 32-fan, 4-chimney, 5-heat exchanger, 6-heat energy storage device, 61-cold water pipeline, 62-hot water pipeline, 63-sealed pressure-bearing metal water tank, 7-temperature difference power generation device, 8-energy storage device, 9-inverter, and 10-industrial electric equipment.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1, an industrial waste heat recycling device is mainly applied to industrial production systems of steel, cement, building gypsum, food, textile and the like, and is used for recycling waste heat in the production systems, and comprises a drying and calcining device 1, an aging and cooling device 2, a dust removal system 3, a chimney 4, a heat exchanger 5 arranged in the chimney 4, a heat energy storage device 6, a temperature difference power generation device 7, an energy storage device 8, an inverter 9 and industrial electric equipment 10.
The drying and calcining equipment 1 is mainly applied to the building gypsum industry, is core equipment for producing building gypsum powder, is used for drying and calcining the gypsum powder at high temperature, removes free water and part of crystal water in materials, and finally obtains a product which comprises semi-finished high-temperature building gypsum powder and high-temperature gas; the aging and cooling device 2 is used for cooling and aging the high-temperature semi-finished gypsum powder to obtain high-quality finished gypsum powder; high-temperature gas in the drying and calcining equipment 1 is mixed with a part of semi-finished gypsum powder and enters a dust removal system 3; the dust removal system 3 is arranged at the rear end or the top of the drying and calcining device 1 and is used for separating and purifying high-temperature gas discharged by the drying and calcining device 1, collecting gypsum powder in the gypsum powder and returning the gypsum powder to the drying and calcining device 1 again, and sending the purified high-temperature gas into the heat exchanger 5 in the chimney 4 for heat exchange.
The dust removing system 3 comprises a dust remover 31 and a fan 32, a part of semi-finished gypsum powder mixed with high-temperature gas in the drying and calcining equipment 1 firstly enters the dust remover 31, the semi-finished gypsum powder mixed with the high-temperature gas is separated and purified by the dust remover 31 and then returns to the drying and calcining equipment 1 again, the purified high-temperature gas is sent to the fan 32, and the high-temperature gas enters the heat exchanger 5 in the chimney 4 for heat exchange under the action of the fan 32.
The heat exchanger 5 is a heat exchange device formed by connecting a series of hollow pipelines, is arranged in the chimney 4 and is connected by a flange or can be arranged by welding, the heat exchanger 5 can exchange heat with high-temperature gas to heat the internal working medium water, and then the high-temperature water or water vapor is sent into the heat energy storage device 6 through a hot water pipeline. The inlet of the heat exchanger 5 pipeline is connected with the cold water pipeline of the heat energy storage device 6, and the outlet of the heat exchanger 5 pipeline is connected with the hot water pipeline of the heat energy storage device 6.
The heat energy storage device 6 comprises a cold water pipeline 61, a hot water pipeline 62 and a closed pressure-bearing metal water tank 63, wherein the inlet of the cold water pipeline 61 is connected with the outlet of the closed pressure-bearing metal water tank 63 through a flange and a ball valve, and the outlet of the cold water pipeline 61 is connected with the inlet of the heat exchanger 5 through a flange; the hot water pipeline 62 is of a heat insulation structure, the heat insulation layer of the hot water pipeline is made of materials such as aluminum silicate fibers, rock wool and an aluminum shell, the outlet of the hot water pipeline 62 is connected with the inlet of the closed pressure-bearing metal water tank 63 through a flange and a ball valve, and the inlet of the hot water pipeline 62 is connected with the outlet of the heat exchanger 5 through a flange.
The temperature difference generating device 7 is positioned on the outer surface of the closed pressure-bearing metal water tank 63 or the outer surface of the aging and cooling equipment 2 and is sequentially connected with the energy storage device 8, the inverter equipment 9 and the industrial electric equipment 10
The thermoelectric power generation device 7 is a thermoelectric power generation device consisting of a series of seebeck thermoelectric semiconductor thermoelectric power generation pieces, the high-temperature ends of the power generation pieces are arranged on the outer surface of the closed pressure-bearing metal water tank 63 or the outer surface of the aging cooling device 2, the low-temperature ends of the power generation pieces are in contact with air, and due to the existence of temperature difference and under the action of the seebeck effect, the power generation pieces generate current, and heat energy is converted into electric energy, so that thermoelectric power generation is realized.
The energy storage device 8 is used for storing the current generated by the temperature difference power generation equipment, and the energy storage device is connected with the temperature difference power generation device 7 through an insulated wire.
The inverter device 9 is a power supply for converting the electric energy stored in the energy storage device 8 into electric energy required by the industrial electric equipment, and the inverter device 9 is connected with the energy storage device 8 and the industrial electric equipment 10 by insulated wires.
The industrial electric equipment 10 is an electric equipment set by enterprises for production needs, and can realize the recovery and utilization of industrial waste heat by utilizing electric energy generated by temperature difference, thereby reducing energy loss and production energy consumption and cost.
The utility model provides an industrial waste heat recovery utilizes device, the device can effectively retrieve, cyclic utilization drying kiln, fluidized bed furnace, the heat energy of the high-temperature gas that equipment such as ageing cooling device produced, turns into the electric energy through semiconductor thermoelectric generation device with heat energy wherein, then is used for industrial equipment such as illumination, reduces waste heat and energy loss, reduces energy consumption and manufacturing cost. When the system works, high-temperature gas generated by drying and calcining equipment is discharged through a chimney, then the high-temperature gas is contacted with a heat exchanger and heats working medium-water in the heat exchanger, then the water absorbs heat energy of a large department and becomes high-temperature water or water vapor to flow into a heat energy storage device, then a high-temperature surface of semiconductor temperature difference power generation equipment is contacted with the outer walls of the heat energy storage device, aging cooling equipment and other equipment, a cold surface is contacted with air to generate large temperature difference, so that a Seebeck effect is generated to generate current, the temperature difference power generation device continuously generates power and stores the current into an energy storage device, and then the current of the energy storage device is converted into power required by equipment such as illumination and the like through an inverter, so that the recovery and the utilization of industrial waste heat are realized, the energy consumption loss is reduced, and the production cost is reduced.
Claims (6)
1. The utility model provides an industrial waste heat recycling device which characterized in that: the device comprises an aging cooling device (2), a dedusting system (3), a chimney (4), a heat exchanger (5), a heat energy storage device (6), a temperature difference power generation device (7) and an energy storage device (8);
the aging cooling equipment (2) and the dust removal system (3) are respectively used for connecting to-be-waste heat recovery industrial equipment;
the outer surface of the aging cooling equipment (2) is connected with a group of temperature difference power generation devices (7);
the dust removal system (3) is connected with the chimney (4);
the heat exchanger (5) is positioned inside the chimney (4);
the heat exchanger (5) is connected with the thermal energy storage device (6), and the outer surface of the thermal energy storage device (6) is connected with another group of thermoelectric generation devices (7);
the two groups of temperature difference power generation devices (7) are electrically connected with an energy storage device (8).
2. The industrial waste heat recycling device according to claim 1, characterized in that: the system also comprises an inverter (9) and industrial electric equipment (10);
the energy storage device (8) is electrically connected with the inverter (9) and the industrial electric equipment (10) in sequence.
3. The industrial waste heat recovery and utilization device according to claim 1 or 2, characterized in that:
the dust removal system (3) comprises a dust remover (31) and a fan (32) which are connected with each other;
the dust remover (31) is connected with industrial equipment to be subjected to waste heat recovery;
the fan (32) is connected with the chimney (4).
4. The industrial waste heat recycling device according to claim 3, characterized in that:
the heat energy storage device (6) comprises a cold water pipeline (61), a hot water pipeline (62) and a closed pressure-bearing metal water tank (63);
an inlet of the cold water pipeline (61) is connected with an outlet of the closed pressure-bearing metal water tank (63);
the outlet of the cold water pipeline (61) is connected with the inlet of the heat exchanger (5);
the outlet of the hot water pipeline (62) is connected with the inlet of the closed pressure-bearing metal water tank (63);
the inlet of the hot water pipeline (62) is connected with the outlet of the heat exchanger (5);
the other group of temperature difference generating devices (7) are arranged on the outer surface of the closed pressure-bearing metal water tank (63).
5. The industrial waste heat recycling device according to claim 4, characterized in that:
the heat-insulating layer of the hot water pipeline (62) is made of aluminum silicate fibers, rock wool and aluminum shell materials.
6. The industrial waste heat recycling device according to claim 4, characterized in that:
the thermoelectric power generation device (7) comprises a plurality of connected Seebeck thermoelectric semiconductor thermoelectric power generation sheets;
the high-temperature end of the Seebeck thermoelectric semiconductor thermoelectric power generation piece is arranged on the outer surface of the closed pressure-bearing metal water tank (63) or the aging cooling equipment (2), and the low-temperature end of the Seebeck thermoelectric semiconductor thermoelectric power generation piece is in contact with air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221117762.6U CN217560437U (en) | 2022-05-10 | 2022-05-10 | Industrial waste heat recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221117762.6U CN217560437U (en) | 2022-05-10 | 2022-05-10 | Industrial waste heat recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217560437U true CN217560437U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221117762.6U Active CN217560437U (en) | 2022-05-10 | 2022-05-10 | Industrial waste heat recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217560437U (en) |
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- 2022-05-10 CN CN202221117762.6U patent/CN217560437U/en active Active
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Effective date of registration: 20231116 Address after: Floor 6, Shaanxi Investment Building, No. 45 Tangyan Road, High tech Zone, Xi'an City, Shaanxi Province, 710075 Patentee after: Shaanxi Qinlong Power Co.,Ltd. Address before: 712000 No. 1369, Xianhong Road, Zhengyang Street, Qinhan new town, Xixian New District, Xi'an City, Shaanxi Province Patentee before: Shaanxi Zhengyuan Industrial Co.,Ltd. |