CN201584931U - Low-temperature semiconductor power generating device recycling waste heat of medium and small-sized equipment in industry to generate power - Google Patents

Abstract

The utility model relates to a low-temperature semiconductor power generating device recycling the waste heat of medium and small-sized equipment in the industry to generate power. The semiconductor power generating device comprises a heat collecting device, a thermoelectric power generator, and a heat-sink cooling system, and is characterized in that the thermoelectric power generator comprises a plurality of high-performance P/N-type bismuth telluride-based thermoelectric conversion elements and adopts a rectangular laminated structure; the thermoelectric conversion elements are connected in series; ceramic plates are respectively placed at the tops and the bottoms of the thermoelectric conversion elements and clamped; heat-conducting silicon sheets are attached to the ceramic plates at the tops; and all the thermoelectric conversion elements are connected through aluminium electrodes; and a matrix of the connected thermoelectric conversion elements is filled with porous polymers and sealed. The device has the advantages that the low-temperature waste heat of the medium and small-sized equipment with the heat source temperature near 100 DEG C can be recycled and reutilized, so that the energy consumption is reduced.

Description

Reclaim the cryogenic semiconductor Blast Furnace Top Gas Recovery Turbine Unit (TRT) of industrial middle-size and small-size equipment cogeneration

Technical field

A kind of cryogenic semiconductor Blast Furnace Top Gas Recovery Turbine Unit (TRT) that reclaims industrial middle-size and small-size equipment cogeneration of the utility model design.

Background technology

In recent years, along with global economy ground high speed development to the energy particularly the demand of fossil energy increasing rapidly, and the energy crisis and the environmental problem that produce also more and more serious thereupon.But it is to have slatterned as waste heat or used heat greatly that the heat that the fossil energy in daily production produces has.And present semi-conductor thermoelectric material is to utilize the thermoelectric effect of material itself can realize the direct energy and material of changing between heat energy and the electric energy.The semiconductor heat electrical effect is to utilize Seebeck (Seebeck) effect, and promptly the temperature when p, two kinds of semiconductor two ends of n does not just have electrical potential difference at the semiconductor two ends simultaneously, just has electric current to flow through after connecting an external loop, realizes thermo-electric generation.Because semi-conductor thermoelectric material has that volume is little, reliability is high, pollution-free, noiselessness and the characteristics that have the temperature difference just can generate electricity are applied in this low-temperature cogeneration device the low temperature exhaust heat that can utilize traditional generator to use again effectively.Therefore developing the cryogenic semiconductor Blast Furnace Top Gas Recovery Turbine Unit (TRT) can reclaim industrial middle-size and small-size equipment cogeneration, reaches the effect that environment protecting and power-saving reduces discharging.

Summary of the invention:

The purpose of this utility model provides near the small-sized low-temperature generation device of a kind of heat source temperature 100 ℃, utilizes problem again with the waste heat that solves some middle-size and small-size equipment.The cryogenic semiconductor Blast Furnace Top Gas Recovery Turbine Unit (TRT) of industrial middle-size and small-size equipment cogeneration is reclaimed in the utility model design, comprise heat collector, thermoelectric generator and heat radiation cooling system are formed, it is characterized in that: thermoelectric generator has adopted a plurality of high performance P/N type bismuth telluride-based thermoelectric conversion elements, be rectangular flake structure, a plurality of thermoelectric conversion elements are connected in series, respectively place a potsherd and clamping at top and bottom, stick a slice thermal conductive silicon film on the potsherd of top, connect filling porous polymeric seal in the thermoelectric conversion element matrix that connects between each thermoelectric conversion element by the aluminium electrode.It is characterized in that: heat collector is the ceramic wafer at high performance P/N type bismuth telluride-based thermoelectric conversion element top.It is characterized in that: the heat radiation cooling system is the ceramic wafer of high performance P/N type bismuth telluride-based thermoelectric conversion element bottom.The utility model has the advantages that the low temperature exhaust heat that can reclaim near the middle-size and small-size equipment of heat source temperature 100 ℃, it can be utilized again, thereby reduce the consumption of the energy.

Description of drawings:

Fig. 1 is a structural representation of the present utility model, Fig. 2 is that 49 generating elements are connected in series, the matrix of having formed a 7*7, among Fig. 1 the 1, the 2nd, the bismuth telluride base semiconductor generating element of P type and N type, the 3rd, the aluminium electrode of Connection Element, the 4th, the porous polymer of filling, the 5th, top ceramic wafer, the 6th, bottom ceramic wafer, the 7th, thermal conductive silicon film, 8 is generating elements among Fig. 2, the 4th, and the porous polymer of filling.

Below in conjunction with accompanying drawing and construction embodiment the utility model is made detailed operation instruction.

Embodiment:

Comprise heat collector, thermoelectric generator and heat radiation cooling system composition among the figure, it is characterized in that: thermoelectric generator has adopted a plurality of high performance P/N type bismuth telluride-based thermoelectric conversion elements, be rectangular flake structure, a plurality of thermoelectric conversion elements are connected in series, respectively place a potsherd and clamping at top and bottom, stick a slice thermal conductive silicon film on the potsherd of top, connect filling porous polymeric seal in the thermoelectric conversion element matrix that connects between each thermoelectric conversion element by the aluminium electrode.It is characterized in that: heat collector is the ceramic wafer at high performance P/N type bismuth telluride-based thermoelectric conversion element top.It is characterized in that: the heat radiation cooling system is the ceramic wafer of high performance P/N type bismuth telluride-based thermoelectric conversion element bottom.After the low temperature exhaust heat of industrial middle-size and small-size equipment is delivered to the radiator of thermal conductive silicon film stickup, by the thermal conductive silicon film on the potsherd that is delivered to high performance P/N type bismuth telluride-based thermoelectric conversion element top, and produce the temperature difference up and down between the potsherd at high performance P/N type bismuth telluride-based thermoelectric conversion element, thereby high performance P/N type bismuth telluride-based thermoelectric conversion element has electric current to produce, and the ceramic wafer of high performance P/N type bismuth telluride-based thermoelectric conversion element bottom is that imbricated texture is to dispel the heat better, the ceramic wafer of keeping high performance P/N type bismuth telluride-based thermoelectric conversion element top and the bottom has the temperature difference, and continues to produce electric current output.

Claims (3)

1. reclaim the cryogenic semiconductor Blast Furnace Top Gas Recovery Turbine Unit (TRT) of industrial middle-size and small-size equipment cogeneration, comprise heat collector, thermoelectric generator and heat radiation cooling system are formed, it is characterized in that: thermoelectric generator has adopted a plurality of high performance P/N type bismuth telluride-based thermoelectric conversion elements, be rectangular flake structure, a plurality of thermoelectric conversion elements are connected in series, respectively place a potsherd and clamping at top and bottom, stick a slice thermal conductive silicon film on the potsherd of top, connect filling porous polymeric seal in the thermoelectric conversion element matrix that connects between each thermoelectric conversion element by the aluminium electrode.

2. by the cryogenic semiconductor Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the industrial middle-size and small-size equipment cogeneration of the described recovery of claim 1, it is characterized in that: heat collector is the ceramic wafer at high performance P/N type bismuth telluride-based thermoelectric conversion element top.

3. by the cryogenic semiconductor Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the industrial middle-size and small-size equipment cogeneration of the described recovery of claim 1, it is characterized in that: the heat radiation cooling system is the ceramic wafer of high performance P/N type bismuth telluride-based thermoelectric conversion element bottom.

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