CN205070847U - Utilize cold thermal temperature difference power generation devices of pulp water of boiler and power supply system - Google Patents
Utilize cold thermal temperature difference power generation devices of pulp water of boiler and power supply system Download PDFInfo
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- CN205070847U CN205070847U CN201520769982.0U CN201520769982U CN205070847U CN 205070847 U CN205070847 U CN 205070847U CN 201520769982 U CN201520769982 U CN 201520769982U CN 205070847 U CN205070847 U CN 205070847U
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- temperature difference
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Abstract
The utility model discloses an utilize the thermal temperature difference power generation devices of the cold pulp water of boiler, include the heat source rectangular channel who is connected with lime -ash aboveground portion, be equipped with thermoelectric generator in heat source rectangular channel's both sides, be equipped with cold source rectangular channel in thermoelectric generator's the outside, cold source rectangular channel and boiler supply water piping connection, thermoelectric generator's hot junction and heat source rectangular channel are connected, and thermoelectric generator's cold junction and cold source rectangular channel are connected. The utility model also discloses a power supply system that uses the aforesaid and utilizes the thermal temperature difference power generation devices of the cold pulp water of boiler. The utility model discloses a pyroelectric material turns into the electric energy with the partial heat of lime -ash cooling water to electric energy that will be produced supplies the part to use with electrical apparatus, has both improved the utilization ratio of lime -ash cooling water waste heat, has saved the power consumption again, the cold source adopts the boiler feedwater simultaneously, and the boiler feedwater has improved the demineralized water and has got into the temperature before the hot -well when serving as the cold source, has saved the fuel that is used for the heating.
Description
Technical field
The utility model relates to energy-conserving and emission-cutting technology field, particularly a kind of temperature difference electricity generation device and electric power system utilizing boiler slag-cooling hydro-thermal amount.
Background technology
China consumes a large amount of energy every year for generating, and the ratio that wherein thermal power generation accounts for weighs 70%, which results in serious environmental problem and Pressure on Energy.Current, the utilance of heat power station fuel combustion heat is very low, and the nearly heat of more than 60 percent is dissipated in air in modes such as smoke evacuation and deslagginves, and this mode can cause the great wasting of resources.
The lime-ash that the burning of heat power station boiler furnace produces is fallen into by bottom ash hopper the lime-ash bottom being full of cooling water and is cooled, because the lime-ash falling into lime-ash well occupies a part of volume of lime-ash well, at this moment some limpid cooling water overflow is understood to outside well by the aboveground portion of lime-ash, by collecting, cooling, refill lime-ash well and recycle.In addition, as heat power station boiler feedwater demineralized water injection condenser before, need first inject hot well heat up, then could inject condenser.
Semiconductor temperature differential generating is a kind of novel generation mode, utilize Seebeck effect that heat energy is directly converted to electric energy, its principle is coupled to the right semiconductor device both sides of galvanic couple at one by one block of N type semiconductor material and one block of P type semiconductor material to arrange a temperature difference, so just create open circuit voltage in this semiconductor device.
Summary of the invention
The utility model provides a kind of temperature difference electricity generation device utilizing boiler slag-cooling hydro-thermal amount for solving in known technology the technical problem that exists, this temperature difference electricity generation device not only can utilize the cogeneration of cold pulp water, the waste-heat boiler feedwater of cold pulp water can also be utilized, fuel saving; Adopt this temperature difference electricity generation device to provide electric energy for electrical appliance, the electricity consumption of part electrical appliance can be saved.
The technical scheme that the utility model is taked for the technical problem existed in solution known technology is: a kind of temperature difference electricity generation device utilizing boiler slag-cooling hydro-thermal amount, comprise the thermal source rectangular channel that portion aboveground with lime-ash is connected, thermoelectric generator is provided with in the both sides of described thermal source rectangular channel, low-temperature receiver rectangular channel is provided with in the outside of described thermoelectric generator, described low-temperature receiver rectangular channel is connected with boiler feedwater pipe, the hot junction of described thermoelectric generator is connected with described thermal source rectangular channel, and the cold junction of described thermoelectric generator is connected with described low-temperature receiver rectangular channel.
Equal and the multiple fins of wrong row of spacing are provided with in described thermal source rectangular channel.
The import of described thermal source rectangular channel and the outlet of described low-temperature receiver rectangular channel are arranged on the same end of this Blast Furnace Top Gas Recovery Turbine Unit (TRT).
The internal structure of described low-temperature receiver rectangular channel is smooth structure.
Described thermoelectric generator is formed by multiple thermoelectric module array together.
Heat-conducting silicone grease coating is equipped with between described thermoelectric generator and described thermal source rectangular channel and between described thermoelectric generator and described low-temperature receiver rectangular channel.
The utility model for another technical scheme solving in known technology the technical problem that exists and take is: a kind ofly apply the above-mentioned electric power system utilizing the temperature difference electricity generation device of boiler slag-cooling hydro-thermal amount, comprise the voltage adjuster be connected with described temperature difference electricity generation device, described voltage adjuster is connected respectively with electrical appliance and storage battery, and described storage battery is connected with described electrical appliance.
The advantage that the utility model has and good effect are: the passage being connected with lime-ash cooling water is made the inner thermal source rectangular channel with fin, temperature difference electricity generation device is installed additional in outside, by thermoelectric material, the partial heat of lime-ash cooling water is converted into electric energy, and by produced electric energy for part electrical appliance, both improve the utilance of lime-ash cooling water heat, reduce the temperature of lime-ash cooling water, shorten cooling time, in turn save electricity consumption; Simultaneously low-temperature receiver adopts boiler feedwater, boiler feedwater while serving as low-temperature receiver, improve demineralized water enter hot well before temperature, save the fuel for heating.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation utilizing the temperature difference electricity generation device of boiler slag-cooling hydro-thermal amount of the utility model;
Fig. 2 adopts the work structuring figure of the electric power system of temperature difference electricity generation device shown in Fig. 1 for the utility model.
In figure: 1, thermal source rectangular channel; 1-1, fin; 2, low-temperature receiver rectangular channel; 3, thermoelectric generator; 4, temperature difference electricity generation device; 5, voltage adjuster; 6, storage battery; 7, electrical appliance.
Embodiment
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, a kind of temperature difference electricity generation device utilizing boiler slag-cooling hydro-thermal amount, comprise the thermal source rectangular channel 1 that portion aboveground with lime-ash is connected, thermoelectric generator 3 is provided with in the both sides of described thermal source rectangular channel 1, low-temperature receiver rectangular channel 2 is provided with in the outside of described thermoelectric generator 3, described low-temperature receiver rectangular channel 2 is connected with boiler feedwater pipe, and the hot junction of described thermoelectric generator 3 is connected with described thermal source rectangular channel 1, and the cold junction of described thermoelectric generator 3 is connected with described low-temperature receiver rectangular channel 2.
The temperature of the lime-ash cooling water gone out from lime-ash well kick is generally at about 70 ~ 80 DEG C.And the demineralized water initial temperature being used as boiler feedwater is 20 ~ 25 DEG C, therefore, the pipeline being connected with the cold pulp water of lime-ash and demineralized water is served as heat source passages and low-temperature receiver passage respectively, install semiconductor thermo-electric generation apparatus additional between which, the partial heat of lime-ash cooling water is converted into electric energy, reaches the object of energy-conserving and environment-protective.Simultaneously by demineralized water heat, improve demineralized water enter hot well before temperature, can fuel be saved.
In the present embodiment, in described thermal source rectangular channel 1, be provided with the equal and multiple fin 1-1 of wrong row of spacing.Be conducive to thermal source Rectangular Passage homogeneous temperature, guarantee thermal source Rectangular Passage can provide a stable thermal source.The import of described thermal source rectangular channel and the outlet of described low-temperature receiver rectangular channel are arranged on the same end of this Blast Furnace Top Gas Recovery Turbine Unit (TRT), to make the flow direction of cold flow and hot-fluid contrary, strengthen heat transfer effect, improve mean temperature difference.The internal structure of described low-temperature receiver rectangular channel 2 is smooth structure.Adopt water-cooled, compared with air-cooled, its cooling effect is better, can make the temperature that low-temperature receiver remains lower.Described thermoelectric generator 3 is formed by multiple thermoelectric module array together.Heat-conducting silicone grease coating is equipped with between described thermoelectric generator 3 and described thermal source rectangular channel 1 and between described thermoelectric generator 3 and described low-temperature receiver rectangular channel 2.Contribute to reducing the contact heat resistance between Cooling and Heat Source and thermoelectric generator, increase the actual temperature difference at thermoelectric generator two ends, improve open circuit voltage.
Refer to Fig. 2, a kind ofly apply the above-mentioned electric power system utilizing the temperature difference electricity generation device of boiler slag-cooling hydro-thermal amount, comprise the voltage adjuster 5 be connected with described temperature difference electricity generation device 4, described voltage adjuster 5 is connected respectively with electrical appliance 7 and storage battery 6, and described storage battery 6 is connected with described electrical appliance 7.
The course of work of the present utility model is as follows:
The lime-ash that furnace of power-plant boilers burning produces is fallen into by bottom ash hopper the lime-ash bottom being full of cooling water and is cooled, and the lime-ash of high temperature and low-temperature cooling water carry out heat transmission, and while ash temperature reduces, the temperature of lime-ash cooling water raises.Because the lime-ash falling into lime-ash well occupies a part of volume of lime-ash well, at this moment some limpid lime-ash cooling water overflow is understood to outside well by the aboveground portion of lime-ash, enters connected thermal source rectangular channel 1.The hot junction of thermoelectric generator 3 is connected with the thermal source rectangular channel 1 being connected with lime-ash cooling water, the cold junction of thermoelectric generator 3 is connected with low-temperature receiver rectangular channel 2, boiler feedwater is connected with in low-temperature receiver rectangular channel 2, its effect is the temperature making the cold junction of thermoelectric generator 3 remain lower, forms the temperature difference at the two ends of thermoelectric generator 3.Between thermal source rectangular channel 1 and low-temperature receiver rectangular channel 2 temperature difference effect under, thermoelectric generator 3 produces open circuit voltage.After temperature difference electricity generation device 4 adopts voltage adjuster 5 pressure regulation, accumulators 6 and electrical appliance are powered.When boiler operatiopn, temperature difference electricity generation device produce electric current by voltage adjuster 5 for electrical appliance is powered; When boiler down, utilize and be stored in electric energy in storage battery for electrical appliance and power.Electrical appliance normally instrument here.
Although be described preferred embodiment of the present utility model by reference to the accompanying drawings above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, can also make a lot of form, these all belong within protection range of the present utility model.
Claims (7)
1. one kind utilizes the temperature difference electricity generation device of boiler slag-cooling hydro-thermal amount, it is characterized in that, comprise the thermal source rectangular channel that portion aboveground with lime-ash is connected, thermoelectric generator is provided with in the both sides of described thermal source rectangular channel, low-temperature receiver rectangular channel is provided with in the outside of described thermoelectric generator, described low-temperature receiver rectangular channel is connected with boiler feedwater pipe, and the hot junction of described thermoelectric generator is connected with described thermal source rectangular channel, and the cold junction of described thermoelectric generator is connected with described low-temperature receiver rectangular channel.
2. the temperature difference electricity generation device utilizing boiler slag-cooling hydro-thermal amount according to claim 1, is characterized in that, is provided with the equal and multiple fins of wrong row of spacing in described thermal source rectangular channel.
3. the temperature difference electricity generation device utilizing boiler slag-cooling hydro-thermal amount according to claim 1, is characterized in that, the import of described thermal source rectangular channel and the outlet of described low-temperature receiver rectangular channel are arranged on the same end of this Blast Furnace Top Gas Recovery Turbine Unit (TRT).
4. the temperature difference electricity generation device utilizing boiler slag-cooling hydro-thermal amount according to claim 1, is characterized in that, the internal structure of described low-temperature receiver rectangular channel is smooth structure.
5. the temperature difference electricity generation device utilizing boiler slag-cooling hydro-thermal amount according to claim 1, is characterized in that, described thermoelectric generator is formed by multiple thermoelectric module array together.
6. the temperature difference electricity generation device utilizing boiler slag-cooling hydro-thermal amount according to claim 1, it is characterized in that, between described thermoelectric generator and described thermal source rectangular channel and between described thermoelectric generator and described low-temperature receiver rectangular channel, be equipped with heat-conducting silicone grease coating.
7. apply the electric power system utilizing the temperature difference electricity generation device of boiler slag-cooling hydro-thermal amount as claimed in claim 1 for one kind, it is characterized in that, comprise the voltage adjuster be connected with described temperature difference electricity generation device, described voltage adjuster is connected respectively with electrical appliance and storage battery, and described storage battery is connected with described electrical appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769982.0U CN205070847U (en) | 2015-09-30 | 2015-09-30 | Utilize cold thermal temperature difference power generation devices of pulp water of boiler and power supply system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520769982.0U CN205070847U (en) | 2015-09-30 | 2015-09-30 | Utilize cold thermal temperature difference power generation devices of pulp water of boiler and power supply system |
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| CN205070847U true CN205070847U (en) | 2016-03-02 |
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| CN201520769982.0U Expired - Fee Related CN205070847U (en) | 2015-09-30 | 2015-09-30 | Utilize cold thermal temperature difference power generation devices of pulp water of boiler and power supply system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226998A (en) * | 2015-09-30 | 2016-01-06 | 天津大学 | A kind of temperature difference electricity generation device and electric power system utilizing boiler slag-cooling hydro-thermal amount |
| CN108271338A (en) * | 2018-04-02 | 2018-07-10 | 中能信创（北京）售电有限公司 | A kind of data center's cooling residual heat electricity generation system |
-
2015
- 2015-09-30 CN CN201520769982.0U patent/CN205070847U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226998A (en) * | 2015-09-30 | 2016-01-06 | 天津大学 | A kind of temperature difference electricity generation device and electric power system utilizing boiler slag-cooling hydro-thermal amount |
| CN108271338A (en) * | 2018-04-02 | 2018-07-10 | 中能信创（北京）售电有限公司 | A kind of data center's cooling residual heat electricity generation system |
| CN108271338B (en) * | 2018-04-02 | 2023-09-05 | 中矿联创新能源集团有限公司 | Cooling waste heat power generation system of data center |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20180930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |