CN105048871A - Thermoelectric power generation system employing high-temperature exhaust gas - Google Patents
Thermoelectric power generation system employing high-temperature exhaust gas Download PDFInfo
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- CN105048871A CN105048871A CN201510269956.6A CN201510269956A CN105048871A CN 105048871 A CN105048871 A CN 105048871A CN 201510269956 A CN201510269956 A CN 201510269956A CN 105048871 A CN105048871 A CN 105048871A
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Abstract
The invention belongs to the technical field of energy saving and emission reduction, and specifically relates to a thermoelectric power generation system employing high-temperature exhaust gas. The system comprises a forced-draft gas inflowing device, a heat transfer device, a thermoelectric power generation module, and a cooling water circulation module. The other end of a gas inlet pipe is communicated with a gas inflowing end of a housing gas tank, and a gas discharge end of the housing gas tank is communicated with a gas discharge pipe. The thermoelectric power generation module is made of thermoelectric material which is arranged on the external surface of the housing gas tank regularly. One end of the thermoelectric material contacts with the external surface of the housing gas tank, and the other end of the thermoelectric material contacts with the external surface of a water cooling tank. The cooling water circulation module consists of a water storage tank, a water pump, a first water pipe, a second water pipe, a condenser, and the water cooling tank. The system can make the most of heat of high-temperature exhaust gas for power generation, saves a large amount of energy, and improves the utilization rate of energy.
Description
Technical field
The invention belongs to energy-conserving and emission-cutting technology field, be specifically related to a kind of thermo-electric generation system utilizing high-temp waste gas.
Background technology
Reality is produced and in life, is had the situation that many high-temp waste gas are discharged.The such as waste gas etc. of the Vehicular exhaust such as automobile and motorcycle and factory's boiler chimney, the temperature in these high-temp waste gas sources can reach 500 DEG C to 800 DEG C, and these waste gas are all directly be discharged in the air at present, cause a large amount of wastes of energy.If the heat energy of these high-temp waste gas can be utilized fully, high-octane utilance can be put forward on the one hand, also can reduce the pollution of high-temp waste gas to environment on the other hand.
Summary of the invention
The object of the invention is the phenomenon of directly discharging for the high-temp waste gas produced and exist in life, a kind of thermo-electric generation system utilizing high-temp waste gas is provided, to improve capacity usage ratio, alleviates environmental pollution.
For achieving the above object, technical scheme of the present invention is as follows: a kind of thermo-electric generation system utilizing high-temp waste gas, comprises air blast inlet duct, heat transfer unit (HTU), temperature-difference power generation module and cooling water circulation module; Air blast inlet duct comprises air blast and air inlet pipe, and the arrival end of air blast and the exhaust outlet in high-temp waste gas source are connected, and the port of export of air blast and one end of air inlet pipe are connected; Heat transfer unit (HTU) is the housing gas tank of a hollow; The other end of air inlet pipe and the inlet end of housing gas tank are connected, and the exhaust end of housing gas tank and blast pipe are connected; Temperature-difference power generation module is made up of many thermoelectric materials being placed on housing gas tank outer surface regularly arranged, and one end of thermoelectric material contacts with the outer surface of housing gas tank, and the other end of thermoelectric material contacts with the outer surface of water cooling box; Cooling water circulation module is made up of storage tank, water pump, the first water pipe, the second water pipe, condenser and water cooling box; Water cooling box is positioned at outside housing gas tank; Storage tank is connected by the water inlet of the first water pipe and water cooling box, and described first water pipe is provided with water pump, and the delivery port of water cooling box is connected with storage tank by the second water pipe, and the second described water pipe is provided with condenser.
The water inlet of water cooling box and the exhaust end of housing gas tank are positioned at the same side.
Water cooling box is 2, lays respectively at above and below housing gas tank.
Housing gas tank inner surface is furnished with the flow distribution plate of two pieces of V-types near air inlet pipe side, the angle of two pieces of flow distribution plates is 60 ° to 120 °, the inner surface of housing gas tank mid portion is furnished with two pieces of supporting brackets, the axisymmetrical distribution of two pieces of relative housings of supporting bracket, housing gas tank inner surface is evenly equipped with sphere pit, and the degree of depth of sphere pit is 0.3 to 0.7 with the ratio of radius.
The present invention has following advantage:
1. air blast by a large amount of heat source gas suction air inlet pipe, can improve intake velocity, and prevent the escape of high-temperature gas.
2. housing gas tank inner surface is furnished with the flow distribution plate of two pieces of V-types near air inlet pipe side, is shunted after high-temp waste gas enters gas, and gas can be made to be uniformly distributed in housing gas tank.
3. housing gas tank inner surface is evenly equipped with sphere pit, gas flow will form turbulent flow when shell inner surface in sphere pit, make high-temperature gas heat exchange in housing gas tank more abundant, and sphere pit is equally distributed in shell inner surface, housing outer surface temperature distribution evenness is good.
4. water pump facilitates the circulation rate of cooling water in water pipe, and condenser working takes away the heat in storage tank simultaneously, significantly reduces the temperature of water cooling box, thus improves the cold warm end temperature difference of thermoelectric material, increase energy output.
5. the direction of water cooling box water inlet is contrary with the direction of housing gas tank air inlet, and the temperature difference convergence of each thermoelectric material can be made consistent.
6. the horizontal symmetrical face of all relative housing gas tank of thermoelectric material and water cooling box is symmetrical, takes full advantage of the heat of outer lower face surface gained on housing gas tank, can put forward high-octane utilance.
7. the heat that the present invention can make full use of high-temp waste gas generates electricity, and saves a large amount of energy, improves the utilance of the energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the annexation structural representation of temperature-difference power generation module of the present invention, housing gas tank and water cooling box.
Fig. 3 is the full sectional view of inventive shell gas tank.
In figure: 1-storage tank; 2-water pump; 3-water cooling box; 4-first water pipe; 5-blast pipe; 6-thermoelectric material; 7-housing gas tank; 8-air inlet pipe; 9-air blast; 10-high-temp waste gas source (High Temperature Gas body source); 11-condenser; 12-flow distribution plate; 13-supporting bracket; 14-sphere pit.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
As shown in Figure 1, a kind of thermo-electric generation system utilizing high-temp waste gas, comprises air blast inlet duct, heat transfer unit (HTU), temperature-difference power generation module and cooling water circulation module.Air blast inlet duct comprises air blast 9 and air inlet pipe 8, the arrival end of air blast 9 and the exhaust outlet in high-temp waste gas source 10 are connected (after air blast 9 is arranged on high-temp waste gas source 10 exhaust outlet, for by high-temp waste gas suction air inlet pipe 8), the port of export of air blast 9 and one end of air inlet pipe 8 are connected.
Heat transfer unit (HTU) is the housing gas tank 7 of a hollow; The other end of air inlet pipe 8 and the inlet end of housing gas tank 7 are connected, and exhaust end and the blast pipe 5 of housing gas tank 7 are connected.
Temperature-difference power generation module is made up of many thermoelectric materials 6 being placed on housing gas tank 7 outer surface regularly arranged, and one end of thermoelectric material 6 contacts with the outer surface of housing gas tank 7, and the other end of thermoelectric material 6 contacts with the outer surface of water cooling box 3.
Cooling water circulation module is made up of storage tank 1, water pump 2, first water pipe 4, second water pipe, condenser 11 and water cooling box 3; Water cooling box 3 is positioned at housing gas tank 7, and [as shown in Figure 2, the present embodiment adopts 2 water cooling boxes 3, lays respectively at above and below housing gas tank 7 outward; Water cooling box 3 also can adopt ring-type, or adopts multiple; Establish thermoelectric material 6 between water cooling box 3 and housing gas tank 7, housing gas tank is used for the heat of high-temperature gas to conduct to housing gas tank outer surface from housing gas tank inner surface, then conducts to thermoelectric material 6; Storage tank 1 is connected with the water inlet of water cooling box 3 by the first water pipe 4, described first water pipe 4 is provided with water pump 2, the delivery port of water cooling box 3 is connected with storage tank 1 by the second water pipe, the second described water pipe is provided with condenser 11(condenser for taking away the heat in storage tank, reduces the temperature of cooling water).
Water inlet and the exhaust end of housing gas tank of water cooling box 3 are positioned at the same side (namely the water inlet direction of water cooling box is contrary with the airintake direction of housing gas tank).
Heat, by the waste gas suction air inlet pipe 8 in high-temp waste gas source, after high-temp waste gas enters housing gas tank 7, through sufficient heat exchange, is conducted to the outer surface of housing gas tank by air blast 9 from the inner surface of housing gas tank; One end of thermoelectric material 6 contacts with the outer surface of housing gas tank 7, and the other end of thermoelectric material 6 contacts with the outer surface of water cooling box 3, and due to the existence of the temperature difference, thermal energy can be become electric energy by thermoelectric material.Cooling water circulation drives running by water pump 2, is constantly taken away by the heat being passed to water cooling box.
Described air blast 9 is for by high-temp waste gas suction air inlet pipe 8.Air blast by a large amount of heat source gas suction tracheae, can improve intake velocity, prevent the escape of high-temperature gas simultaneously.
As shown in Figure 3, housing gas tank 7 is the housing of a hollow, housing gas tank 7 inner surface is furnished with the flow distribution plate 12 of two pieces of V-types near air inlet pipe side, the angle of two pieces of flow distribution plates 12 is 60 ° to 120 °, the inner surface of housing gas tank mid portion is furnished with two pieces of supporting brackets 13, the axisymmetrical distribution of two pieces of relative housings of supporting bracket 13, housing gas tank inner surface is evenly equipped with sphere pit 14, the ratio of the degree of depth of sphere pit 14 and radius (radius is the crossing radius of a circle of shell inner surface and sphere pit) is 0.3 to 0.7, gas flow will form turbulent flow when shell inner surface in sphere pit, make high-temperature gas heat exchange in housing gas tank more abundant, and sphere pit is equally distributed in shell inner surface, housing outer surface temperature distribution evenness is good.
Thermoelectric material 6 is by certain regular distribution on housing gas tank 7 outer surface, and its one end contacts with the outer surface of housing gas tank, and the other end contacts with the outer surface of water cooling box, and thermoelectric material utilizes cold warm end temperature difference to become electric energy to export thermal power transfer.The every two row's formations one group of thermoelectric material 6, between group and group, interval is identical.
Water pump is arranged in storage tank, and the water surface of storage tank is higher than water pump.Condenser is arranged on storage tank front.Water pump can promote the circulation rate of cooling water in water pipe, and condenser working takes away the heat in storage tank simultaneously, significantly reduces the temperature of water cooling box, thus improves the cold warm end temperature difference of thermoelectric material, improve energy output.The direction that water cooling box 3 is intake is contrary with the direction of housing gas tank 7 air inlet, and cooling water flows in water cooling box, and its temperature constantly raises along flow direction, intakes contrary with the direction of air inlet, and the temperature difference convergence of each thermoelectric material can be made consistent.
The horizontal symmetrical face of all relative housing gas tank of thermoelectric material and water cooling box is symmetrical, and water pipe includes the first water pipe 4, second water pipe (namely intake manifold and go out water manifold), is respectively used to make cooling water flow into and flow out upper and lower two water cooling boxes.The heat of outer lower face surface gained on housing gas tank can be made full use of like this, put forward high-octane utilance.
Claims (6)
1. utilize a thermo-electric generation system for high-temp waste gas, comprise air blast inlet duct, heat transfer unit (HTU), temperature-difference power generation module and cooling water circulation module; Air blast inlet duct comprises air blast (9) and air inlet pipe (8), and the arrival end of air blast (9) and the exhaust outlet of high-temp waste gas source (10) are connected, and the port of export of air blast (9) and one end of air inlet pipe (8) are connected; Heat transfer unit (HTU) is the housing gas tank (7) of a hollow; The other end of air inlet pipe (8) and the inlet end of housing gas tank (7) are connected, and exhaust end and the blast pipe (5) of housing gas tank (7) are connected; Temperature-difference power generation module is made up of many thermoelectric materials (6) being placed on housing gas tank (7) outer surface, one end of thermoelectric material (6) contacts with the outer surface of housing gas tank (7), and the other end of thermoelectric material (6) contacts with the outer surface of water cooling box (3); Cooling water circulation module is made up of storage tank (1), water pump (2), the first water pipe (4), the second water pipe, condenser (11) and water cooling box (3); Water cooling box (3) is positioned at housing gas tank (7) outward; Storage tank (1) is connected by the water inlet of the first water pipe (4) with water cooling box (3), described first water pipe (4) is provided with water pump (2), the delivery port of water cooling box (3) is connected with storage tank (1) by the second water pipe, and the second described water pipe is provided with condenser (11).
2. a kind of thermo-electric generation system utilizing high-temp waste gas according to claim 1, is characterized in that: the water inlet of water cooling box (3) and the exhaust end of housing gas tank are positioned at the same side.
3. a kind of thermo-electric generation system utilizing high-temp waste gas according to claim 1, is characterized in that: water cooling box (3) is 2, lays respectively at above and below housing gas tank (7).
4. a kind of thermo-electric generation system utilizing high-temp waste gas according to claim 1, it is characterized in that: housing gas tank (7) inner surface is furnished with the flow distribution plate (12) of two pieces of V-types near air inlet pipe side, the angle of two pieces of flow distribution plates (12) is 60 ° to 120 °.
5. a kind of thermo-electric generation system utilizing high-temp waste gas according to claim 1, is characterized in that: the inner surface of housing gas tank mid portion is furnished with two pieces of supporting brackets (13), the axisymmetrical distribution of two pieces of relative housings of supporting bracket (13).
6. a kind of thermo-electric generation system utilizing high-temp waste gas according to claim 1, it is characterized in that: housing gas tank inner surface is evenly equipped with sphere pit (14), the degree of depth of sphere pit (14) is 0.3 to 0.7 with the ratio of radius.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510269956.6A CN105048871A (en) | 2015-05-22 | 2015-05-22 | Thermoelectric power generation system employing high-temperature exhaust gas |
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| CN201510269956.6A CN105048871A (en) | 2015-05-22 | 2015-05-22 | Thermoelectric power generation system employing high-temperature exhaust gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383633A (en) * | 2015-11-20 | 2016-03-09 | 武汉理工大学 | Temperature-difference type energy-saving semi-electric bicycle |
| CN105909364A (en) * | 2016-06-27 | 2016-08-31 | 武汉理工大学 | Integrated vehicle-mounted cooling system |
| CN112359580A (en) * | 2020-09-30 | 2021-02-12 | 李永华 | Cutting method of water-repellent non-woven fabric for high-heat-dissipation paper diaper |
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| WO2005098225A1 (en) * | 2004-04-07 | 2005-10-20 | Toyota Jidosha Kabushiki Kaisha | Exhaust heat recovery power generation device and automobile equipped therewith |
| CN201034435Y (en) * | 2007-03-23 | 2008-03-12 | 江苏中圣高科技产业有限公司 | Low pressure-reduction highly effective heat transfer tube |
| CN101505120A (en) * | 2009-03-06 | 2009-08-12 | 大连海事大学 | Mine ventilation counter flow oxidation thermo-electric generation system |
| CN203421709U (en) * | 2013-07-24 | 2014-02-05 | 江苏海事职业技术学院 | Deep recycling system for smoke waste heat of clean-burn blast furnace gas boiler |
| CN103904949A (en) * | 2014-04-08 | 2014-07-02 | 武汉理工大学 | Temperature difference power generation device and vehicle-mounted tail gas waste heat temperature difference power generation system |
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2015
- 2015-05-22 CN CN201510269956.6A patent/CN105048871A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005098225A1 (en) * | 2004-04-07 | 2005-10-20 | Toyota Jidosha Kabushiki Kaisha | Exhaust heat recovery power generation device and automobile equipped therewith |
| CN201034435Y (en) * | 2007-03-23 | 2008-03-12 | 江苏中圣高科技产业有限公司 | Low pressure-reduction highly effective heat transfer tube |
| CN101505120A (en) * | 2009-03-06 | 2009-08-12 | 大连海事大学 | Mine ventilation counter flow oxidation thermo-electric generation system |
| CN203421709U (en) * | 2013-07-24 | 2014-02-05 | 江苏海事职业技术学院 | Deep recycling system for smoke waste heat of clean-burn blast furnace gas boiler |
| CN103904949A (en) * | 2014-04-08 | 2014-07-02 | 武汉理工大学 | Temperature difference power generation device and vehicle-mounted tail gas waste heat temperature difference power generation system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383633A (en) * | 2015-11-20 | 2016-03-09 | 武汉理工大学 | Temperature-difference type energy-saving semi-electric bicycle |
| CN105909364A (en) * | 2016-06-27 | 2016-08-31 | 武汉理工大学 | Integrated vehicle-mounted cooling system |
| CN112359580A (en) * | 2020-09-30 | 2021-02-12 | 李永华 | Cutting method of water-repellent non-woven fabric for high-heat-dissipation paper diaper |
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