CN213838690U - Waste heat recovery equipment for thermal power plant - Google Patents
Waste heat recovery equipment for thermal power plant Download PDFInfo
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- CN213838690U CN213838690U CN202022039532.XU CN202022039532U CN213838690U CN 213838690 U CN213838690 U CN 213838690U CN 202022039532 U CN202022039532 U CN 202022039532U CN 213838690 U CN213838690 U CN 213838690U
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- pipe
- fixedly connected
- power plant
- heat recovery
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Abstract
The utility model relates to a thermal power plant equipment technical field just discloses a waste heat recovery equipment for thermal power plant, the power distribution box comprises a lower box body, the interior diapire fixedly connected with hot gas tank of box down, the interior diapire fixedly connected with water tank of hot gas tank, the end communicates respectively about the box down has runs through and extends to the inside intake pipe of hot gas tank and outlet duct, the left side intercommunication of water tank has the inlet tube that runs through and extend to the box left end down, the top intercommunication of water tank has the steam pipe that runs through and extend to hot gas tank top. This waste heat recovery equipment for thermal power plant possesses thereby to enable the stable advantage such as generating power of electricity generation pivot speed, has solved traditional waste heat recovery device, utilizes heat source production steam electricity generation usually, because working medium temperatures such as waste gas, waste liquid are not high, and steam production is unstable for generator pivot slew rate receives steam production speed to influence unstable problem.
Description
Technical Field
The utility model relates to a thermal power plant equipment technical field specifically is a waste heat recovery equipment for thermal power plant.
Background
The main working principle of the thermal power plant is that hot water generated by the thermal power plant is used for heating after being reheated.
When the thermal power plant is carrying out the power generation operation, because the influence of design principle or technical limitation, can produce the waste heat, be a comparatively extensive recovery mode with waste heat power generation, and traditional waste heat recovery device, utilize heat source production steam power generation usually, because working medium temperatures such as waste gas, waste liquid are not high, steam production is unstable for generator shaft slew rate receives steam production rate to influence unstablely, so provide a waste heat recovery equipment for the thermal power plant in order to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a to prior art not enough, the utility model provides a waste heat recovery equipment for thermal power plant possesses thereby to enable advantages such as stable generating power of electricity generation pivot speed, has solved traditional waste heat recovery device, utilizes heat source production steam electricity generation usually, because working medium temperatures such as waste gas, waste liquid are not high, steam produces unstablely for generator pivot slew rate receives steam production speed to influence unstable problem.
(II) technical scheme
Thereby for realizing above-mentioned purpose that can make the stable generating power of electricity generation pivot speed, the utility model provides a following technical scheme: a waste heat recovery device for a thermal power plant comprises a lower box body, wherein a hot air box is fixedly connected to the inner bottom wall of the lower box body, a water tank is fixedly connected to the inner bottom wall of the hot air box, the left end and the right end of the lower box body are respectively communicated with an air inlet pipe and an air outlet pipe which penetrate through and extend to the inner part of the hot air box, the left side of the water tank is communicated with an air inlet pipe which penetrates through and extends to the left end of the lower box body, the top end of the water tank is communicated with a steam pipe which penetrates through and extends to the upper part of the hot air box, the top of the hot air box is fixedly connected with a transfer box which is communicated with the steam pipe, the top end of the transfer box is communicated with an air guide pipe, the outer part of the air guide pipe is communicated with an electric control valve, the outer part of the top end of the lower box body is slidably connected with an upper box body, the top of the upper box body is rotatably connected with a rotating shaft which penetrates through and extends to the inner part of the upper box body, and the bottom of the rotating shaft is fixedly connected with fan blades, go up the top right-hand member intercommunication of box and have the blast pipe, go up the equal fixedly connected with fixed plate in both ends about the box, two the equal fixedly connected with hollow tube in bottom of fixed plate, the equal fixedly connected with in both ends is located the motor of intake pipe, outlet duct top about the box down, two the equal fixedly connected with in output of motor respectively with two the lead screw of the inside threaded connection of hollow tube, two the equal fixedly connected with in outside of hollow tube respectively with lower box left and right sides sliding connection's slide bar, the right-hand member intercommunication of water tank has to run through and extends to the outlet pipe on lower box right side.
Preferably, the outside of the rotating shaft is rotatably connected with a supporting rod fixedly connected with the inner wall of the upper box body, and the outside of the water inlet pipe and the outside of the water outlet pipe are both communicated with water valves.
Preferably, sealing rings are arranged at the sliding connection position of the upper box body and the lower box body and the connection position of the steam pipe and the hot air box.
Preferably, the air inlet pipe, the air outlet pipe, the two fixing plates, the screw rod, the motor and the hollow pipe are symmetrically distributed by taking the vertical central line of the box body below the screw rod, the motor and the hollow pipe as an axis.
Preferably, the air inlet pipe, the air outlet pipe, the two fixing plates, the screw rod, the motor and the hollow pipe are symmetrically distributed by taking the vertical central line of the box body below the screw rod, the motor and the hollow pipe as an axis.
Preferably, the distance between the fan blade and the top end of the air guide pipe is matched with the width of the sealing ring.
(III) advantageous effects
Compared with the prior art, the utility model provides a waste heat recovery equipment for thermal power plant possesses following beneficial effect:
the waste heat recovery equipment for the thermal power plant comprises a hot air box and a water tank arranged in the hot air box, wherein hot air flows into the hot air box through an air inlet pipe and then flows out of an air outlet pipe to heat water in the water box, the water in the water tank is discharged into a transfer box from a steam pipe after being boiled by arranging a fan blade and a rotating shaft, then the water is discharged by an air duct to push the fan blade to rotate, so as to drive the rotating shaft to rotate to generate electricity, an electric control valve is arranged, the electric control valve is opened when the pressure in the water tank exceeds a certain range, so that steam has enough flow velocity to push the fan blade to rotate, a motor can be output along with the change of the flow velocity of the steam by arranging a sliding connection of an upper box body and a lower box body and a threaded connection of a screw rod and a hollow pipe, the relative positions of the upper box body and the lower box body are adjusted, when the flow velocity of the steam is too large, the distance between the fan blade and the top end of the air duct is increased, when the steam flow velocity is too small, the distance between the fan blade and the top end of the steam pipe is reduced, so that the rotating speed of the fan blade is kept stable, and further the speed of the power generation rotating shaft and the power generation power are kept stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a top view of the present invention.
In the figure: 1. a lower box body; 2. a hot air tank; 3. a water tank; 4. an air inlet pipe; 5. an air outlet pipe; 6. a water inlet pipe; 7. a steam pipe; 8. a transfer box; 9. an air duct; 10. an electrically controlled valve; 11. an upper box body; 12. a rotating shaft; 13. a fan blade; 14. an exhaust pipe; 15. a fixing plate; 16. a hollow tube; 17. a motor; 18. a screw rod; 19. a slide bar; 20. a water outlet pipe; 21. a support bar; 22. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a waste heat recovery device for a thermal power plant comprises a lower box body 1, a hot air box 2 is fixedly connected to the inner bottom wall of the lower box body 1, a water tank 3 is fixedly connected to the inner bottom wall of the hot air box 2, the left end and the right end of the lower box body 1 are respectively communicated with an air inlet pipe 4 and an air outlet pipe 5 which penetrate through and extend into the hot air box 2, the left side of the water tank 3 is communicated with an air inlet pipe 6 which penetrates through and extends into the left end of the lower box body 1, the top end of the water tank 3 is communicated with a steam pipe 7 which penetrates through and extends above the hot air box 2, the top of the hot air box 2 is fixedly connected with a transfer box 8 which is communicated with the steam pipe 7, the top end of the transfer box 8 is communicated with an air guide pipe 9, the outside of the air guide pipe 9 is communicated with an electric control valve 10, the top end of the lower box body 1 is slidably connected with an upper box body 11, the top of the upper box body 11 is rotatably connected with a rotating shaft 12 which penetrates through and extends into the upper box body 11, the bottom of the rotating shaft 12 is fixedly connected with a fan blade 13, the right end of the top of the upper box body 11 is communicated with an exhaust pipe 14, the left end and the right end of the upper box body 11 are fixedly connected with fixed plates 15, the bottom ends of the two fixed plates 15 are fixedly connected with hollow pipes 16, the left end and the right end of the lower box body 1 are fixedly connected with motors 17 positioned above the air inlet pipe 4 and the air outlet pipe 5, the output ends of the two motors 17 are fixedly connected with screw rods 18 respectively in threaded connection with the inner parts of the two hollow pipes 16, the outer parts of the two hollow pipes 16 are fixedly connected with slide rods 19 respectively in sliding connection with the left side and the right side of the lower box body 1, the right end of the water tank 3 is communicated with a water outlet pipe 20 penetrating and extending to the right side of the lower box body 1, the outer part of the rotating shaft 12 is rotatably connected with a support rod 21 fixedly connected with the inner wall of the upper box body 11, the outer parts of the water inlet pipe 6 and the water outlet pipe 20 are communicated with water valves, the sliding connection parts of the upper box body 11 and the lower box body 1 and the connection parts of the steam pipe 7 and the hot air box body 2 are provided with sealing rings 22, the air inlet pipe 4, the air outlet pipe 5, the two fixing plates 15, the lead screw 18, the motor 17 and the hollow pipe 16 are symmetrically distributed by taking a vertical central line of the box body 1 as an axis, the top end of the air guide pipe 9 is funnel-shaped, the size of the fan blade 13 is matched with the size of the top end of the steam pipe 7, the wind direction of the fan blade 13 is upward, the distance between the fan blade 13 and the top end of the air guide pipe 9 is matched with the width of the sealing ring 22, through the water tank 3 which is arranged inside the hot air tank 2 and the hot air tank 2, hot air flows into the hot air tank 2 through the air inlet pipe 4 and then flows out from the air outlet pipe 5, water in the water tank 3 is heated, through the fixed connection of the fan blade 13 and the rotating shaft 12, the water in the water tank 3 is discharged into the transfer box 8 from the steam pipe 7 after boiling, then is discharged out from the air guide pipe 9 to push the fan blade 13 to rotate, further drive the rotating shaft 12 to rotate to generate electricity, through the arrangement of the electric control valve 10, when the pressure intensity in the water tank 3 exceeds a certain range, make vapor have sufficient velocity of flow to promote flabellum 13 and rotate, through setting up the sliding connection of upper box 11 and lower box 1, and the threaded connection of lead screw 18 and hollow tube 16, motor 17 can carry out the output along with the change of vapor flow velocity, adjust the relative position of upper box 11 and lower box 1, when the steam flow velocity is too big, increase the distance between flabellum 13 and the air duct 9 top, when the steam flow velocity is too little, reduce the distance between flabellum 13 and the steam pipe 7 top, make flabellum 13 rotational speed remain stable, and then make electricity generation pivot 12 speed and generated power remain stable.
In summary, according to the waste heat recovery device for the thermal power plant, by arranging the hot air tank 2 and the water tank 3 inside the hot air tank 2, hot air flows into the hot air tank 2 through the air inlet pipe 4, then flows out from the air outlet pipe 5, heats water in the water tank 3, and through arranging the fixed connection of the fan blades 13 and the rotating shaft 12, the water in the water tank 3 is discharged into the transfer tank 8 from the steam pipe 7 after boiling, and then is discharged by the air guide pipe 9 to push the fan blades 13 to rotate, so as to drive the rotating shaft 12 to rotate, and generate electricity, through arranging the electric control valve 10, when the pressure in the water tank 3 exceeds a certain range, the electric control valve 10 is opened, so that the steam has enough flow velocity to push the fan blades 13 to rotate, through arranging the sliding connection of the upper tank body 11 and the lower tank body 1, and the threaded connection of the screw rod 18 and the hollow pipe 16, the motor 17 can output along with the change of the flow velocity of the steam, so as to adjust the relative positions of the upper tank body 11 and the lower tank body 1, when the steam flow velocity is too large, the distance between the fan blades 13 and the top end of the air duct 9 is increased, and when the steam flow velocity is too small, the distance between the fan blades 13 and the top end of the steam pipe 7 is reduced, so that the rotating speed of the fan blades 13 is kept stable, and further the speed of the power generation rotating shaft 12 and the power generation power are kept stable.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a waste heat recovery equipment for thermal power plant, includes box (1) down, its characterized in that: the inner bottom wall of the lower box body (1) is fixedly connected with a hot air box (2), the inner bottom wall of the hot air box (2) is fixedly connected with a water tank (3), the left end and the right end of the lower box body (1) are respectively communicated with an air inlet pipe (4) and an air outlet pipe (5) which penetrate through and extend to the inner part of the hot air box (2), the left side of the water tank (3) is communicated with an air inlet pipe (6) which penetrates through and extends to the left end of the lower box body (1), the top end of the water tank (3) is communicated with a steam pipe (7) which penetrates through and extends to the upper part of the hot air box (2), the top of the hot air box (2) is fixedly connected with a transfer box (8) communicated with the steam pipe (7), the top end of the transfer box (8) is communicated with an air guide pipe (9), the outer part of the air guide pipe (9) is communicated with an electric control valve (10), the outer part of the top end of the lower box body (1) is slidably connected with an upper box body (11), the top of the upper box body (11) is rotatably connected with a rotating shaft (12) which penetrates through and extends to the inside of the upper box body (11), fan blades (13) are fixedly connected to the bottom of the rotating shaft (12), an exhaust pipe (14) is communicated with the right end of the top of the upper box body (11), fixing plates (15) are fixedly connected to the left end and the right end of the upper box body (11), hollow pipes (16) are fixedly connected to the bottom ends of the two fixing plates (15), motors (17) positioned above the air inlet pipe (4) and the air outlet pipe (5) are fixedly connected to the left end and the right end of the lower box body (1), lead screws (18) which are respectively in threaded connection with the inner portions of the two hollow pipes (16) are fixedly connected to the output ends of the two motors (17), and sliding rods (19) which are respectively in sliding connection with the left side and the right side of the lower box body (1) are fixedly connected to the outer portions of the two hollow pipes (16), the right end of the water tank (3) is communicated with a water outlet pipe (20) which penetrates through and extends to the right side of the lower tank body (1).
2. The waste heat recovery apparatus for a thermal power plant according to claim 1, wherein: the outside of pivot (12) rotate be connected with go up box (11) inner wall fixed connection's bracing piece (21), the outside of inlet tube (6) and outlet pipe (20) all communicates the water valve.
3. The waste heat recovery apparatus for a thermal power plant according to claim 1, wherein: and sealing rings (22) are arranged at the sliding connection part of the upper box body (11) and the lower box body (1) and the connection part of the steam pipe (7) and the hot air box (2).
4. The waste heat recovery apparatus for a thermal power plant according to claim 1, wherein: the air inlet pipe (4), the air outlet pipe (5), the two fixing plates (15), the screw rod (18), the motor (17) and the hollow pipe (16) are symmetrically distributed by taking the vertical central line of the box body (1) below as an axis.
5. The waste heat recovery apparatus for a thermal power plant according to claim 1, wherein: the top end of the air duct (9) is funnel-shaped, the size of the fan blade (13) is matched with the size of the top end of the steam pipe (7), and the wind direction of the fan blade (13) faces upwards.
6. The waste heat recovery apparatus for a thermal power plant according to claim 3, characterized in that: the distance between the fan blade (13) and the top end of the air duct (9) is matched with the width of the sealing ring (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022039532.XU CN213838690U (en) | 2020-09-17 | 2020-09-17 | Waste heat recovery equipment for thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022039532.XU CN213838690U (en) | 2020-09-17 | 2020-09-17 | Waste heat recovery equipment for thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213838690U true CN213838690U (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022039532.XU Active CN213838690U (en) | 2020-09-17 | 2020-09-17 | Waste heat recovery equipment for thermal power plant |
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| CN (1) | CN213838690U (en) |
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- 2020-09-17 CN CN202022039532.XU patent/CN213838690U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211117 Address after: 222000 No. 80, Jinping Road, Haizhou District, Lianyungang City, Jiangsu Province Patentee after: Lianyungang Si'an Power Equipment Co.,Ltd. Address before: 843100 No. 2, Lane 5, hongguangpian, hongqipo community, hongqipo residential area, Aksu City, Aksu Prefecture, Xinjiang Uygur Autonomous Region Patentee before: Gu Caiping |
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| TR01 | Transfer of patent right |