阅读说明：本技术 一种可利用热量发电的秸秆焚烧装置 (Straw burning device capable of generating electricity by utilizing heat ) 是由 张晓奎 于 2020-07-14 设计创作，主要内容包括：本发明涉及一种可利用热量发电的秸秆焚烧装置,包括燃烧炉、温差发电片、驱动机构、加热机构和冷却机构,所述温差发电片设置在燃烧炉顶部,所述驱动机构设置在燃烧炉的一侧,所述加热机构设置在燃烧炉内,所述加热机构位于燃烧炉的顶部,所述冷却机构设置在温差发电片上方,该可利用热量发电的秸秆焚烧装置,通过燃烧炉实现秸秆的焚烧,通过焚烧秸秆产生的热量使得温差发电片两个端部产生温度差,实现发电,且通过加热机构和冷却机构,加大温差,实现更好的发电效果,与现有的温差发电装置相比,该装置通过纯机械机构进行降温和加热,避免了加热器、压缩机等装置的使用,增加了装置的稳定性,提高了使用寿命。(The invention relates to a straw burning device capable of generating power by utilizing heat, which comprises a combustion furnace, a thermoelectric generation sheet, a driving mechanism, a heating mechanism and a cooling mechanism, wherein the thermoelectric generation sheet is arranged at the top of the combustion furnace, the driving mechanism is arranged at one side of the combustion furnace, the heating mechanism is arranged in the combustion furnace, the heating mechanism is positioned at the top of the combustion furnace, the cooling mechanism is arranged above the thermoelectric generation sheet, the straw burning device capable of generating power by utilizing heat realizes the burning of straw by the combustion furnace, the temperature difference is generated at the two end parts of the thermoelectric generation sheet by the heat generated by burning the straw, the power generation is realized, the temperature difference is increased by the heating mechanism and the cooling mechanism, the better power generation effect is realized, compared with the prior power generation device, the device is cooled and heated by a pure mechanical mechanism, the use of a heater, a compressor and the like is avoided, the stability of the device is improved, and the service life is prolonged.)

1. A straw burning device capable of generating power by using heat is characterized by comprising a combustion furnace (1), a thermoelectric generation piece (2), a driving mechanism, a heating mechanism and a cooling mechanism, wherein the thermoelectric generation piece (2) is arranged at the top of the combustion furnace (1), the driving mechanism is arranged on one side of the combustion furnace (1), the heating mechanism is arranged in the combustion furnace (1), the heating mechanism is positioned at the top of the combustion furnace (1), and the cooling mechanism is arranged above the thermoelectric generation piece (2);

the driving mechanism comprises a first motor (3), a driving shaft (4), a half gear (5) and a pulling assembly, the first motor (3) is arranged on one side of the combustion furnace (1), the driving shaft (4) is installed on the first motor (3), the half gear (5) is sleeved on the driving shaft (4), the half gear (5) is in key connection with the driving shaft (4), the pulling assembly comprises two pulling units, the two pulling units are respectively arranged on two sides of the half gear (5), each pulling unit comprises a sleeve (6), a piston rod (7), a moving rod (8), a rack (9) and a spring (10), the sleeve (6) is arranged on one side of the half gear (5), one end of the piston rod (7) is positioned in the sleeve (6), the other end of the piston rod (7) extends out of the sleeve (6), one end of the piston rod (7) positioned in the sleeve (6) is in sealing connection with the sleeve (6), the moving rod (8) is connected with one end, extending out of the sleeve (6), of the piston rod (7), the rack (9) is arranged on the moving rod (8), the half gear (5) is meshed with the rack (9) of one pulling unit, the spring (10) is arranged in the sleeve (6), one end of the spring (10) is connected with the sleeve (6), and the other end of the spring (10) is connected with the piston of the piston rod (7);

the heating mechanism comprises a water tank (11), a heating pipe (12) and an air inlet pipe (13), the water tank (11) is arranged at the top of the combustion furnace (1), one end of the heating pipe (12) is connected with the water tank (11), the other end of the heating pipe (12) is connected with the top of one sleeve (6), the sleeve (6) is communicated with the inside of the water tank (11) through a heating pipe (12), the joint of the heating pipe (12) and the water tank (11) is positioned at the top of the water tank (11), the heating pipe (12) is spirally arranged at the bottom of the water tank (11), one end of the air inlet pipe (13) is connected with the water tank (11), the other end of the air inlet pipe (13) is connected with the top of the sleeve (6) of the same pulling unit, the sleeve (6) is communicated with the inside of the water tank (11) through an air inlet pipe (13), the joint of the air inlet pipe (13) and the water tank (11) is positioned at the bottom of the water tank (11);

the cooling mechanism comprises a heat dissipation assembly and a water cooling assembly, the heat dissipation assembly comprises heat dissipation plates (14) and two heat dissipation units, the heat dissipation plates (14) are arranged on the thermoelectric generation sheet (2), the heat dissipation units are arranged on the heat dissipation plates (14), the two heat dissipation units are respectively arranged on two sides of the heat dissipation plates (14), each heat dissipation unit comprises a plurality of heat dissipation fins (15), each heat dissipation fin (15) is uniformly arranged, the heat dissipation fins (15) of the two heat dissipation units are arranged in a staggered mode, the water cooling assembly comprises a cooling box (16), a water inlet pipe (17) and a cooling pipe (18), the cooling box (16) is arranged at the top of the combustion furnace (1), one end of the water inlet pipe (17) is connected with a sleeve pipe (6) far away from the water inlet pipe (13), and the other end of the water inlet pipe (17) is connected with the cooling box (16), sleeve pipe (6) are through oral siphon (17) and cooler bin (16) inside intercommunication, oral siphon (17) are located the top of cooler bin (16) with the junction of cooler bin (16), the one end and the cooler bin (16) of cooler bin (18) are connected, the other end and the sleeve pipe (6) of same pulling unit of cooler bin (18) are connected, sleeve pipe (6) are through cooler bin (18) and the inside intercommunication of cooler bin (16), the junction of cooler bin (18) and cooler bin (16) is located cooler bin (16) bottom, be equipped with a plurality of recesses on heating panel (14), the recess is located between two adjacent radiating fin (15), cooler bin (18) set up in the recess, cooler bin (18) spiral and set up.

2. The straw incineration apparatus capable of generating power by using heat as claimed in claim 1, wherein a moving mechanism is provided at the bottom of the combustion furnace (1), the moving mechanism comprises a bottom plate (19), a second motor (20), a driving wheel (21), a driven wheel (22) and a rotating assembly, the bottom plate (19) is provided at the bottom of the combustion furnace (1), the second motor (20) is provided on the bottom plate (19), the rotating assembly comprises two rotating units, the two rotating units are respectively provided at two ends of the bottom plate (19), the rotating units comprise a rotating shaft (23) and two rollers (24), the rotating shaft (23) penetrates through the bottom plate (19), the two rollers (24) are provided, the two rollers (24) are respectively provided at two ends of the rotating shaft (23), the driving wheel (21) is installed on the second motor (20), and the driven wheel (22) is sleeved on the rotating shaft (23) of one of the rotating units, the driven wheel (22) is fixedly connected with the rotating shaft (23), and the driven wheel (22) is in transmission connection with the driving wheel (21) through a belt.

3. The straw incineration apparatus capable of generating power by using heat as claimed in claim 1, wherein a storage battery (25) is provided on the top of the combustion furnace (1), and the first motor (3) and the second motor (20) are electrically connected to the storage battery (25).

4. The straw incineration apparatus capable of generating power by using heat as claimed in claim 3, wherein a PLC is provided on the top of the combustion furnace (1), and the first motor (3), the second motor (20) and the storage battery (25) are electrically connected with the PLC.

5. The straw incineration device capable of generating power by using heat as claimed in claim 1, wherein a one-way valve is arranged at the joint of the air inlet pipe (13) and the sleeve (6), and a one-way valve is arranged at the joint of the heating pipe (12) and the sleeve (6).

6. The straw incineration device capable of generating power by using heat as claimed in claim 1, wherein a one-way valve is arranged at the joint of the water inlet pipe (17) and the sleeve (6), and a one-way valve is arranged at the joint of the cooling pipe (18) and the sleeve (6).

7. The straw incineration apparatus capable of generating power by using heat as claimed in claim 1, wherein a heat conduction sheet (26) is disposed between the thermoelectric generation sheet (2) and the water tank (11).

8. The straw incineration apparatus capable of generating power by using heat as claimed in claim 1, wherein a fan (27) is provided on the driving shaft (4), and the fan (27) is disposed opposite to the heat dissipation fins (15).

9. The straw incineration apparatus capable of generating power by using heat as claimed in claim 1, wherein the heat dissipation fins (15) are provided with a plurality of perforations.

10. The straw incineration apparatus capable of generating power by using heat as claimed in claim 1, wherein a cooling liquid is provided in the cooling tank (16).

Technical Field

The invention relates to a straw burning device capable of generating power by utilizing heat.

Background

The straw refers to the stem and leaf part left after mature threshing of gramineous crops such as rice, wheat and corn, along with social progress, due to popularization of coal, electricity and natural gas, various industrial products are abundant, the requirement on the straw in rural areas is reduced, the treatment of a large amount of straw becomes a serious social problem, although laws are forbidden, farmers still directly burn the straw in the field, the consequences such as air pollution, fire and the like are caused, the straw can return to the field or be used for preparing feed, the burning of the straw causes resource waste, meanwhile, the burning of the straw can generate a large amount of heat, the heat can be used for heating, boiling water and cooking dishes, and the energy waste can be caused by the burning anywhere in the field.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the straw burning device capable of generating power by utilizing heat is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a straw burning device capable of generating power by utilizing heat comprises a combustion furnace, a thermoelectric generation piece, a driving mechanism, a heating mechanism and a cooling mechanism, wherein the thermoelectric generation piece is arranged at the top of the combustion furnace;

the driving mechanism comprises a first motor, a driving shaft, a half gear and a pulling assembly, the first motor is arranged on one side of the combustion furnace, the driving shaft is arranged on the first motor, the half gear is sleeved on the driving shaft, the half gear is connected with the driving shaft in a key mode, the pulling assembly comprises two pulling units, the two pulling units are arranged on two sides of the half gear respectively, each pulling unit comprises a sleeve, a piston rod, a moving rod, a rack and a spring, the sleeve is arranged on one side of the half gear, one end of the piston rod is located in the sleeve, the other end of the piston rod extends out of the sleeve, one end of the piston rod located in the sleeve is connected with the sleeve in a sealing mode, the moving rod is connected with one end of the piston rod extending out of the sleeve, the rack is arranged on the moving rod, the half gear is meshed with the rack of one of the pulling units, one end of the spring is connected with the sleeve, and the other end of the spring is connected with the piston of the piston rod;

the heating mechanism comprises a water tank, a heating pipe and an air inlet pipe, the water tank is arranged at the top of the combustion furnace, one end of the heating pipe is connected with the water tank, the other end of the heating pipe is connected with the top of one sleeve, the sleeve is communicated with the inside of the water tank through the heating pipe, the joint of the heating pipe and the water tank is positioned at the top of the water tank, the heating pipe is spirally arranged at the bottom of the water tank, one end of the air inlet pipe is connected with the water tank, the other end of the air inlet pipe is connected with the top of the sleeve of the same pulling unit, the sleeve is communicated with the inside of the water tank through the air inlet pipe, and the joint;

the cooling mechanism comprises a heat dissipation assembly and a water cooling assembly, the heat dissipation assembly comprises a heat dissipation plate and heat dissipation units, the heat dissipation plate is arranged on a thermoelectric generation sheet, the heat dissipation units are arranged on the heat dissipation plate, the number of the heat dissipation units is two, the two heat dissipation units are respectively arranged on two sides of the heat dissipation plate, the heat dissipation units comprise a plurality of heat dissipation fins, the heat dissipation fins of the two heat dissipation units are uniformly arranged, the heat dissipation fins of the two heat dissipation units are arranged in a staggered manner, the water cooling assembly comprises a cooling box, a water inlet pipe and a cooling pipe, the cooling box is arranged at the top of the combustion furnace, one end of the water inlet pipe is connected with a sleeve pipe far away from the water inlet pipe, the other end of the water inlet pipe is connected with the cooling box, the sleeve pipe is communicated with the interior of the cooling box through the water inlet pipe, the, the other end of cooling tube and the bushing of same pulling unit, the sleeve pipe passes through the inside intercommunication of cooling tube and cooler bin, the junction of cooling tube and cooler bin is located the cooler bin bottom, be equipped with a plurality of recesses on the heating panel, the recess is located between two adjacent radiating fin, the cooling tube sets up in the recess, the cooling tube spirals the setting.

In order to realize the removal of device, the burning furnace bottom is equipped with moving mechanism, moving mechanism includes bottom plate, second motor, drive wheel, follows driving wheel and runner assembly, the bottom plate sets up in the burning furnace bottom, the second motor sets up on the bottom plate, runner assembly includes two rotation unit, and two rotation unit set up the both ends at the bottom plate respectively, the rotation unit includes pivot and gyro wheel, the bottom plate is passed in the pivot, the gyro wheel has two, and two gyro wheels set up the both ends in the pivot respectively, the drive wheel is installed on the second motor, establish in one of them rotation unit's pivot from the driving wheel cover, follow driving wheel and pivot fixed connection, pass through the belt from the driving wheel and be connected with the drive wheel transmission.

In order to supply power for the operation of the device, a storage battery is arranged at the top of the combustion furnace, and the first motor and the second motor are both electrically connected with the storage battery.

In order to realize automatic control, the top of the combustion furnace is provided with a PLC, and the first motor, the second motor and the storage battery are all electrically connected with the PLC.

In order to enable water vapor to only flow into the sleeve from the heating pipe and be discharged from the air inlet pipe, a one-way valve is arranged at the joint of the air inlet pipe and the sleeve, and a one-way valve is arranged at the joint of the heating pipe and the sleeve.

In order to enable the cooling liquid to only flow into the sleeve through the cooling pipe and be discharged through the water inlet pipe, a one-way valve is arranged at the joint of the water inlet pipe and the sleeve, and a one-way valve is arranged at the joint of the cooling pipe and the sleeve.

In order to better absorb heat, a heat conducting sheet is arranged between the thermoelectric generation sheet and the water tank.

For better heat dissipation, a fan is arranged on the driving shaft, and the fan is arranged opposite to the heat dissipation fins.

For better heat dissipation, a plurality of through holes are arranged on the heat dissipation fins.

For better heat dissipation, a cooling liquid is arranged in the cooling box.

The straw burning device capable of generating power by using heat has the advantages that burning of straws is achieved through the burning furnace, temperature difference is generated between the two end parts of the thermoelectric generation piece through the heat generated by burning the straws, power generation is achieved, the temperature difference is increased through the heating mechanism and the cooling mechanism, and a better power generation effect is achieved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a straw burning device capable of generating electricity by using heat according to the present invention;

FIG. 2 is a schematic structural diagram of a driving mechanism of the straw burning device capable of generating power by using heat according to the invention;

FIG. 3 is a schematic structural diagram of a heating pipe of a driving mechanism of the straw burning device capable of generating power by using heat according to the invention;

FIG. 4 is a schematic view of a connection structure of a cooling pipe and a heat dissipation assembly of the straw burning device capable of generating power by using heat according to the present invention;

in the figure: 1. the heat-generating device comprises a combustion furnace, 2, a thermoelectric power generation piece, 3, a first motor, 4, a driving shaft, 5, a half gear, 6, a sleeve, 7, a piston rod, 8, a moving rod, 9, a rack, 10, a spring, 11, a water tank, 12, a heating pipe, 13, an air inlet pipe, 14, a heat dissipation plate, 15, a heat dissipation fin, 16, a cooling tank, 17, an air inlet pipe, 18, a cooling pipe, 19, a bottom plate, 20, a second motor, 21, a driving wheel, 22, a driven wheel, 23, a rotating shaft, 24, a roller, 25, a storage battery, 26, a heat conducting piece and 27, and a fan.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a straw burning device capable of generating power by using heat comprises a combustion furnace 1, a thermoelectric generation piece 2, a driving mechanism, a heating mechanism and a cooling mechanism, wherein the thermoelectric generation piece 2 is arranged at the top of the combustion furnace 1, the driving mechanism is arranged at one side of the combustion furnace 1, the heating mechanism is arranged in the combustion furnace 1, the heating mechanism is arranged at the top of the combustion furnace 1, and the cooling mechanism is arranged above the thermoelectric generation piece 2;

when the device uses, remove the device and preset the position, put into straw and fire burning furnace 1 internal combustion, realize burning of straw, straw burns and produces a large amount of heats, heat through heating mechanism, make the hot junction heating of thermoelectric generation piece 2, cool down the cold junction of thermoelectric generation piece 2 through cooling body, thereby make two tip of thermoelectric generation piece 2 produce great difference in temperature, thereby utilize the thermoelectric effect to realize the electricity generation, the electric quantity is stored in battery 25, the operation power supply to the device.

When the device needs to be moved, the PLC controls the storage battery 25 to supply power to the second motor 20, the second motor 20 drives the driving wheel 21 to rotate, the driving wheel 21 drives the driven wheel 22 to rotate through the belt, the driven wheel 22 drives the rotating shaft 23 to rotate, and the rotating shaft 23 drives the roller 24 to rotate, so that the device is moved.

In order to realize the movement of the device, a moving mechanism is arranged at the bottom of the combustion furnace 1, the moving mechanism comprises a bottom plate 19, a second motor 20, a driving wheel 21, a driven wheel 22 and a rotating assembly, the bottom plate 19 is arranged at the bottom of the combustion furnace 1, the second motor 20 is arranged on the bottom plate 19, the rotating assembly comprises two rotating units, the two rotating units are respectively arranged at two ends of the bottom plate 19, each rotating unit comprises a rotating shaft 23 and two rollers 24, the rotating shaft 23 penetrates through the bottom plate 19, the two rollers 24 are respectively arranged at two ends of the rotating shaft 23, the driving wheel 21 is arranged on the second motor 20, the driven wheel 22 is sleeved on the rotating shaft 23 of one rotating unit, the driven wheel 22 is fixedly connected with the rotating shaft 23, and the driven wheel 22 is in transmission connection with the driving wheel 21 through a belt.

In order to supply power for the operation of the device, a storage battery 25 is arranged at the top of the combustion furnace 1, and the first motor 3 and the second motor 20 are both electrically connected with the storage battery 25.

In order to realize automatic control, a PLC is arranged at the top of the combustion furnace 1, and the first motor 3, the second motor 20 and the storage battery 25 are all electrically connected with the PLC.

As shown in fig. 2, the driving mechanism includes a first motor 3, a driving shaft 4, a half gear 5 and a pulling assembly, the first motor 3 is disposed at one side of the combustion furnace 1, the driving shaft 4 is mounted on the first motor 3, the half gear 5 is sleeved on the driving shaft 4, the half gear 5 is in key connection with the driving shaft 4, the pulling assembly includes two pulling units, the two pulling units are respectively disposed at two sides of the half gear 5, the pulling unit includes a sleeve 6, a piston rod 7, a moving rod 8, a rack 9 and a spring 10, the sleeve 6 is disposed at one side of the half gear 5, one end of the piston rod 7 is disposed in the sleeve 6, the other end of the piston rod 7 extends out of the sleeve 6, one end of the piston rod 7 disposed in the sleeve 6 is in sealed connection with the sleeve 6, the moving rod 8 is connected with one end of the piston rod 7 extending out of the sleeve 6, the rack 9 is arranged on the moving rod 8, the half gear 5 is meshed with the rack 9 of one pulling unit, the spring 10 is arranged in the sleeve 6, one end of the spring 10 is connected with the sleeve 6, and the other end of the spring 10 is connected with the piston of the piston rod 7;

when two ends of the temperature difference sensor need to be heated and cooled respectively, the PLC controls the first motor 3 to operate, the first motor 3 drives the driving shaft 4 to rotate, the driving shaft 4 drives the half gear 5 to rotate, when the half gear 5 is meshed with the rack 9, the half gear 5 drives the rack 9 to move, the rack 9 drives the movable rod 8 to move, the movable rod 8 drives the piston rod 7 to move, so that the sealing cavity of the piston rod 7 and the sleeve 6 is enlarged, the spring 10 stretches in the sealing cavity, the restoring force of the spring 10 generates pulling force on the piston rod 7, when the half gear 5 is not meshed with the rack 9, the rack 9 cannot be blocked by the half gear 5, and the initial position can be restored again under the restoring force of the spring 10.

As shown in fig. 3, the heating mechanism includes a water tank 11, a heating pipe 12 and an air inlet pipe 13, the water tank 11 is disposed at the top of the combustion furnace 1, one end of the heating pipe 12 is connected to the water tank 11, the other end of the heating pipe 12 is connected to the top of one of the sleeves 6, the sleeve 6 is communicated with the inside of the water tank 11 through the heating pipe 12, the joint of the heating pipe 12 and the water tank 11 is located at the top of the water tank 11, the heating pipe 12 is spirally disposed at the bottom of the water tank 11, one end of the air inlet pipe 13 is connected to the water tank 11, the other end of the air inlet pipe 13 is connected to the top of the sleeve 6 of the same pulling unit, the sleeve 6 is communicated with the inside of the water tank 11 through the air inlet pipe 13, and the joint;

burning straws to generate heat, heating water in a water tank 11 by the heat, generating steam after the water is heated, transferring the heat of the steam to a heat conducting sheet 26, transferring the temperature to the hot end of a thermoelectric generation sheet 2 by the heat conducting sheet 26, when a half gear 5 drives a sealed cavity space in a sleeve 6 communicated with the water tank 11 to be enlarged, the steam enters the sealed cavity through a heating pipe 12, reheating the steam in the heating pipe 12 through a combustion furnace 1, further increasing the temperature, the reheated steam enters the sealed cavity, when the half gear 5 is not meshed with a rack 9, the sealed cavity space is smaller, so that the heated steam in the sleeve 6 flows into the water tank 11 again, so that the temperature in the water tank 11 is higher, meanwhile, the heated steam is introduced into the water in the water tank 11, and the water in the water tank 11 is evaporated more rapidly, so that the temperature in the water tank 11 is raised rapidly, and a better heating effect is realized.

Here, the check valve at the joint of the air inlet pipe 13 and the sleeve 6 can only give vent to air and can not give air, and the check valve on the heating pipe 12 and the sleeve 6 can only give vent to air and can not give air, so that the water vapor in the water tank 11 can only flow into the sealed cavity in the sleeve 6 through the heating pipe 12, and then flows back into the water tank 11 through the air inlet pipe 13.

In order to enable water vapor to only flow into the sleeve 6 through the heating pipe 12 and be discharged through the air inlet pipe 13, a one-way valve is arranged at the joint of the air inlet pipe 13 and the sleeve 6, and a one-way valve is arranged at the joint of the heating pipe 12 and the sleeve 6.

In order to better absorb heat, a heat conducting sheet 26 is arranged between the thermoelectric generation sheet 2 and the water tank 11.

As shown in fig. 4, the cooling mechanism includes a heat dissipation assembly and a water cooling assembly, the heat dissipation assembly includes a heat dissipation plate 14 and two heat dissipation units, the heat dissipation plate 14 is disposed on the thermoelectric generation sheet 2, the two heat dissipation units are disposed on the heat dissipation plate 14, the two heat dissipation units are disposed on two sides of the heat dissipation plate 14, respectively, the heat dissipation unit includes a plurality of heat dissipation fins 15, the heat dissipation fins 15 are uniformly disposed, the heat dissipation fins 15 of the two heat dissipation units are staggered, the water cooling assembly includes a cooling box 16, a water inlet pipe 17 and a cooling pipe 18, the cooling box 16 is disposed on the top of the combustion furnace 1, one end of the water inlet pipe 17 is connected to a sleeve 6 far away from the water inlet pipe 13, the other end of the water inlet pipe 17 is connected to the cooling box 16, the sleeve 6 is communicated with the interior of the cooling box 16 through the water inlet pipe 17, and the connection position of the water inlet pipe 17 and the cooling, one end and the cooling box 16 of cooling tube 18 are connected, the other end and the sleeve 6 of same pulling unit of cooling tube 18 are connected, sleeve 6 passes through cooling tube 18 and the inside intercommunication of cooling box 16, the junction of cooling tube 18 and cooling box 16 is located the cooling box 16 bottom, be equipped with a plurality of recesses on the heating panel 14, the recess is located between two adjacent radiating fin 15, cooling tube 18 sets up in the recess, cooling tube 18 spirals the setting.

Partial heat transmitted by the water tank 11 affects the temperature of the surrounding air, so that the cold ends of the thermoelectric generation pieces 2 can absorb the heat of the air to raise the temperature, thereby affecting the power generation effect, at the moment, the heat dissipation plate 14 absorbs the heat of the cold ends and then transmits the heat to the heat dissipation fins 15, the contact area between the heat dissipation fins 15 and the air is increased, thereby enabling the heat on the heat dissipation fins 15 to be better transmitted to the air, thereby realizing better heat dissipation effect, meanwhile, the driving shaft 4 drives the fan 27 to rotate, the fan 27 blows away the hot air around the heat dissipation fins 15, thereby realizing better heat dissipation effect, meanwhile, the fan 27 accelerates the air flow, thereby enabling the heat on the heat dissipation fins 15 to be better dissipated, the heat dissipation fins 15 form annular ventilation channels, thereby enabling the wind energy blown out by the fan 27 to blow to all directions of the heat dissipation fins 15, realizing better heat dissipation effect, and the perforations on the heat, the flow velocity of the air is accelerated, and the heat dissipation efficiency is improved.

When the half gear 5 is meshed with the rack 9 of the pulling unit connected with the cooling box 16, the space of the sealed cavity in the sleeve 6 is increased, the cooling liquid in the cooling box 16 flows into the cooling pipe 18 and then flows into the sleeve 6 through the cooling pipe 18, when the rack 9 is not meshed with the half gear 5, under the action of the restoring force of the spring 10, the space of the sealed cavity is reduced, the cooling liquid in the sleeve 6 flows back into the cooling box 16 from the water inlet pipe 17, circulation of the cooling liquid is achieved, the cooling pipe 18 is spirally arranged in the groove in the cooling plate 14, the cooling liquid absorbs heat on the cooling plate 14, heat dissipation and cooling are achieved on the cooling plate 14, the contact area between the cooling pipe 18 and the cooling plate 14 is increased, the cooling effect is improved, and accordingly a large temperature difference is generated at two ends of the temperature difference power generation sheet 2, and a better power generation effect is achieved.

In order to ensure that the cooling liquid can only flow into the sleeve 6 through the cooling pipe 18 and be discharged through the water inlet pipe 17, a one-way valve is arranged at the joint of the water inlet pipe 17 and the sleeve 6, and a one-way valve is arranged at the joint of the cooling pipe 18 and the sleeve 6.

For better heat dissipation, the driving shaft 4 is provided with a fan 27, and the fan 27 is arranged opposite to the heat dissipation fins 15.

For better heat dissipation, the heat dissipation fins 15 are provided with a plurality of through holes.

For better heat dissipation, the cooling tank 16 is filled with a cooling liquid.

The device realizes the burning of straw through firing burning furnace 1, heat through burning the straw production heats the water in the water tank 11, make the hot junction temperature of thermoelectric generation piece 2 rise, dispel the heat to the cold junction of thermoelectric generation piece 2 through radiator unit simultaneously, make two tip of thermoelectric generation piece 2 form great temperature difference, thereby make the electricity generation, through driving actuating mechanism, two pulling units of operation, one of them pulling unit makes the vapor in the water tank 11 circulate and heat, another pulling unit realizes circulating and heat absorption to the coolant liquid when realizing the hot junction, thereby make two tip of thermoelectric generation piece 2 produce bigger difference in temperature, thereby realize better generating effect, abundant utilization the heat that burning straw produced, the energy has been practiced thrift, through the removal of moving mechanism realization device, and the practicality is improved.

Compared with the prior art, this straw of usable heat electricity generation burns device, burn burning of 1 realization straw through firing burning furnace, the heat that produces through burning the straw makes two tip of thermoelectric generation piece 2 produce the temperature difference, realize the electricity generation, and through heating mechanism and cooling body, increase the difference in temperature, realize better generating effect, compare with current thermoelectric generation device, the device cools down and heats through pure mechanical mechanism, the heater has been avoided, the use of devices such as compressor, the stability of device has been increased, and service life is prolonged.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.