CN217604146U - Waste heat circulating device for power plant - Google Patents
Waste heat circulating device for power plant Download PDFInfo
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- CN217604146U CN217604146U CN202221836971.6U CN202221836971U CN217604146U CN 217604146 U CN217604146 U CN 217604146U CN 202221836971 U CN202221836971 U CN 202221836971U CN 217604146 U CN217604146 U CN 217604146U
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Abstract
The utility model discloses a power plant waste heat circulating device, include: the system comprises a power generation boiler, a transfer heat conduction box and a filter box, wherein the power generation boiler is connected to the transfer heat conduction box through a transfer heat conduction structure, and the filter box is connected to the transfer heat conduction structure through a filtering oxygen supply structure; the utility model relates to a power plant auxiliary assembly technical field will carry out the magnetism conduction through transfer heat conduction structure, has avoided driving machine direct drive through the magnetism conduction, and easy smoke and dust blocks up the phenomenon of driving machine, through retrieving the flue gas heat, reduces exhaust gas temperature, therefore improves boiler efficiency, because combustion air temperature's improvement, and be favorable to firing of fuel and help the burning, reduce the incomplete combustion heat loss of fuel and improve combustion stability.
Description
Technical Field
The utility model relates to a power plant auxiliary assembly technical field specifically is power plant waste heat circulating device.
Background
The so-called power station boiler is a boiler used for generating power in a power plant in popular terms, generally has large capacity, the existing main unit is 600MW, the existing advanced boiler is an ultra-supercritical boiler, and the capacity can reach 1000MW. Utility boilers mainly have two types: pulverized coal furnaces and circulating fluidized bed boilers. These two types of boilers are the main types used in power stations today. The biggest difference between fluidized bed furnaces and pulverized coal furnaces is the state of the fuel, i.e., liquid and pulverized coal.
The pulverized coal furnace is a relatively common power generation boiler, but pulverized coal generates smoke after combustion, a large amount of heat can be remained in the smoke, the energy is lost along with the discharge of the smoke, the heat needs to be recovered in order to improve the utilization rate of the energy, but the efficiency of the existing waste heat recovery equipment is low, the using effect is poor, and therefore the problem is deeply researched, and the tunnel is generated.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: power plant waste heat cycle device includes: the power generation boiler is connected to the intermediate heat transfer box through an intermediate heat transfer structure, and the filter box is connected to the intermediate heat transfer structure through a filtering oxygen supply structure;
the transfer heat conduction structure comprises: the device comprises a U-shaped drainage tube, a plurality of heat conduction shaft tubes, a pair of heat conduction distribution tubes, an air suction pump, a pair of limiting rings, a convex rotating ring block, a gear ring clamping strip, a stirring driving machine, a driving gear, a stirring support, a stirring driving shaft, a plurality of stirring blades and a plurality of conduction magnet blocks;
the U-shaped drainage tube is installed on the power generation boiler and the medium-frequency heat transfer box, the heat conduction shaft tubes are evenly installed on the medium-frequency heat transfer box, the heat conduction distribution tubes are connected to the two sides of the heat conduction shaft tubes respectively, the air suction pump is installed on the medium-frequency heat transfer box, the limiting rings are installed on the outer side of the medium-frequency heat transfer box, the limiting ring blocks are provided with concave rotating grooves respectively, the convex rotating ring blocks are installed on the inner sides of the concave rotating grooves on the limiting ring blocks respectively, the gear ring clamping strips are installed on the outer sides of the convex rotating ring blocks, the stirring driving machine is installed on the outer side of the medium-frequency heat transfer box, the driving gear is installed on the driving end of the stirring driving machine, the driving gear is meshed with the gear ring clamping strip gears, the stirring support is installed on the inner side of the medium-frequency heat transfer box, the stirring driving shaft is installed on the stirring support through bearings, the stirring fan blades are sleeved on the stirring driving shaft, and the conduction magnet blocks are installed on the stirring fan blades and the convex rotating ring blocks respectively.
Preferably, the filtering oxygen supply structure comprises: the device comprises an inflator pump, an L-shaped drainage tube, a plurality of distribution tubes, a plurality of exhaust pipes, a plurality of flow distribution plates, a plurality of U-shaped siphon distribution tubes and a drainage tube;
the pump install in on the top of rose box, L type drainage tube install in on the bottom lateral wall of rose box, just L type drainage tube connect in on the pump, a plurality of the flow distribution plate is even install in the inboard of rose box, a plurality of the distribution pipe is even install in a plurality of on the flow distribution plate, a plurality of U type siphon distribution pipe is installed respectively in a plurality of on the flow distribution plate, and a plurality of U type siphon distribution pipe connects respectively in a plurality of on the blast pipe, the drainage tube connect in the rose box and on the heat conduction distribution pipe.
Preferably, a plurality of ball grooves are formed in the pair of concave rotating grooves, and moving balls are arranged on the inner sides of the plurality of ball grooves respectively.
Preferably, a plurality of exhaust ports are formed in the plurality of exhaust pipes respectively.
Preferably, the inner side of the middle heat transfer box is provided with a heat insulation layer.
Preferably, a temperature sensor is arranged on the inner side of the middle heat-transfer box.
Advantageous effects
The utility model provides a power plant waste heat circulating device. The method has the following beneficial effects: this power plant waste heat circulating device will carry out the magnetism conduction through the transfer heat conduction structure, has avoided driving machine direct drive through the magnetism conduction, and easy smoke and dust blocks up the phenomenon of driving machine, through retrieving the flue gas heat, reduces the exhaust gas temperature, therefore improves boiler efficiency, because the improvement of combustion air temperature, and be favorable to firing of fuel and help the burning, reduce the incomplete combustion heat loss of fuel and improve combustion stability.
Drawings
Fig. 1 is a schematic sectional view of a front view of the waste heat recycling device of a power plant.
Fig. 2 is a side view of power plant waste heat circulating device and is cut away the schematic diagram.
Fig. 3 is an enlarged view of the structure of the portion "a" in fig. 2.
In the figure: 1. a power generation boiler; 2. a medium heat conduction box; 3. a filter box; 4. a U-shaped drainage tube; 5. a heat conducting shaft tube; 6. a heat-conducting distribution pipe; 7. an air pump; 8. a limiting ring; 9. a convex rotary ring block; 10. a gear ring clamping strip; 11. a stirring driver; 12. a drive gear; 13. stirring the bracket; 14. a stirring drive shaft; 15. a stirring fan blade; 16. a conductive magnet block.
Detailed Description
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.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.
The embodiment is as follows: according to the attached drawings 1-3, the power generation boiler 1 is connected with the intermediate heat transfer box 2 through an intermediate heat transfer structure, and the filter box 3 is connected with the intermediate heat transfer structure through a filtering oxygen supply structure; the transfer heat conduction structure comprises: the device comprises a U-shaped drainage tube 4, a plurality of heat conduction shaft tubes 5, a pair of heat conduction distribution tubes 6, an air suction pump 7, a pair of limiting rings 8, a convex rotating ring block 9, a gear ring clamping strip 10, a stirring driving machine 11, a driving gear 12, a stirring bracket 13, a stirring driving shaft 14, a plurality of stirring fan blades 15 and a plurality of conduction magnet blocks 16; the U-shaped drainage tube 4 is installed on the power generation boiler 1 and the middle heat transfer box 2, the plurality of heat conduction shaft tubes 5 are evenly installed on the middle heat transfer box 2, the pair of heat conduction distribution tubes 6 are respectively connected to two sides of the plurality of heat conduction shaft tubes 5, the air suction pump 7 is installed on the middle heat transfer box 2, the pair of limiting rings 8 are installed on the outer side of the middle heat transfer box 2, concave rotating grooves are respectively formed in the pair of limiting rings 8, the convex limiting rings 8 are respectively installed on the inner sides of the concave rotating grooves in the pair of limiting rings 8, the gear ring clamping strips are installed on the outer sides of the convex rotating ring blocks 9, the stirring driver 11 is installed on the outer side of the middle heat transfer box 2, the driving gear 12 is installed on the driving end of the stirring driver 11, the driving gear 12 is in gear engagement with the gear ring clamping strips 10, the stirring support 13 is installed on the inner side of the middle heat transfer box 2, the stirring driving shaft 14 is installed on the stirring support 13 through bearings, the plurality of stirring blades 15 are sleeved on the driving shaft 14, and the stirring magnet blocks 16 are respectively installed on the stirring magnet blocks 9 and the stirring magnet blocks 9; the filtering oxygen supply structure comprises: the device comprises an inflator pump, an L-shaped drainage tube, a plurality of distribution tubes, a plurality of exhaust pipes, a plurality of splitter plates, a plurality of U-shaped siphon distribution tubes and a drainage tube; the inflator pump is installed at the top end of the filter box 3, the L-shaped drainage tube is installed on the side wall of the bottom end of the filter box 3, the L-shaped drainage tube is connected to the inflator pump, the plurality of splitter plates are evenly installed on the inner side of the filter box 3, the plurality of distribution tubes are evenly installed on the plurality of splitter plates, the plurality of U-shaped siphon distribution tubes are respectively connected to the plurality of exhaust pipes, and the drainage tube is connected to the filter box 3 and the heat conduction distribution tube 6; a plurality of ball grooves are formed in the pair of concave rotating grooves, and moving balls are arranged on the inner sides of the ball grooves respectively; a plurality of exhaust ports are respectively formed in the plurality of exhaust pipes; the inner side of the middle heat transfer box 2 is provided with a heat insulation layer; and a temperature sensor is arranged on the inner side of the middle heat conduction box 2.
From the above follows: air inside the middle heat transfer box 2 is pumped out through the air pump 7, so that the middle heat transfer box 2 generates negative pressure, air in the power generation boiler 1 is guided to the inner side of the transfer heat conduction box 2 through negative pressure, the stirring driver 11 operates to drive the driving gear 12 on the driving end of the stirring driver 11 to rotate, the gear ring clamping strip 10 engaged with the gear is driven to rotate by the driving gear 12, the convex rotary ring block 9 on the gear ring clamping strip 10 is driven to rotate by the gear ring clamping strip 10, so that the convex rotary ring block 9 rotates along the inner sides of the concave rotary grooves on the pair of limit rings 8, the conductive magnet block 16 on the stirring fan blade 15 is driven to rotate by the convex rotary ring block 9 and the conductive magnet block 16 on the stirring fan blade 15 is driven to rotate by the conductive magnet block 16, the stirring fan blades 15 on the rotating conducting magnet blocks 16 are driven to rotate, and similarly, the stirring fan blades 15 drive a plurality of conducting magnet blocks 16 on other stirring fan blades 15 to rotate, thereby rotating a plurality of stirring fan blades 15 through magnetic conduction, extruding the smoke dust in the power generation boiler 1 to the bottom end of the transferring heat conducting box 2 through the U-shaped drainage tube 4 through the plurality of rotating stirring fan blades 15, meanwhile, air is extruded and pumped to the inner side of the L-shaped drainage tube through the inflator pump, the air is drained to the bottom end of the filter box 3 through the L-shaped drainage tube, high-pressure air is discharged to the inner sides of a plurality of distribution pipes through U-shaped siphon distribution pipes on a plurality of flow distribution plates, air is discharged through the holes on the distribution pipe, the siphon utilizes the action force phenomenon of the height difference of the liquid level to fill liquid in an inverted U-shaped tubular structure, the liquid in the container will continuously flow out to a lower position through the siphon tube by placing the high end of the opening in the container filled with liquid. The essence of siphon is because liquid pressure and atmospheric pressure produce, filter the air one by one through the siphon, air drainage through after filtering reaches a plurality of heat conduction central siphon 5, high temperature smoke and dust through the 5 outsides of heat conduction central siphon with the heat drainage to the air of 5 inboards of heat conduction central siphon, thereby reach and carry out recovery cyclic utilization with the heat, the effect is to retrieve the flue gas heat, reduce exhaust gas temperature, therefore improve boiler efficiency, because combustion air temperature's improvement, and be favorable to catching fire and help the burning of fuel, reduce the incomplete combustion heat loss of fuel and improve combustion stability.
Preferably, the structure for filtering and supplying oxygen comprises: the device comprises an inflator pump, an L-shaped drainage tube, a plurality of distribution tubes, a plurality of exhaust pipes, a plurality of splitter plates, a plurality of U-shaped siphon distribution tubes and a drainage tube;
the pump install in on the top of rose box 3, L type drainage tube install in on the bottom lateral wall of rose box 3, just L type drainage tube connect in on the pump, a plurality of the flow distribution plate even install in the inboard of rose box 3, a plurality of the even installation of distributing pipe is in a plurality of on the flow distribution plate, a plurality of U type siphon distributing pipe is installed respectively in a plurality of on the flow distribution plate, and a plurality of U type siphon distributing pipe connects respectively in a plurality of on the blast pipe, the drainage tube connect in rose box 3 and on the heat conduction distributing pipe 6.
Preferably, a plurality of ball grooves are formed in the pair of concave rotating grooves, and moving balls are arranged on the inner sides of the plurality of ball grooves respectively.
Preferably, a plurality of exhaust ports are respectively formed on the plurality of exhaust pipes.
Preferably, an insulating layer is further disposed inside the middle heat transfer box 2.
Preferably, a temperature sensor is further disposed inside the middle heat transfer box 2.
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. Power plant waste heat cycle device includes: the power generation boiler is connected to the intermediate heat transfer box through an intermediate heat transfer structure, and the filter box is connected to the intermediate heat transfer structure through a filtering oxygen supply structure;
the transfer heat conduction structure comprises: the device comprises a U-shaped drainage tube, a plurality of heat conduction shaft tubes, a pair of heat conduction distribution tubes, an air suction pump, a pair of limiting rings, a convex rotating ring block, a gear ring clamping strip, a stirring driving machine, a driving gear, a stirring support, a stirring driving shaft, a plurality of stirring blades and a plurality of conduction magnet blocks;
the U-shaped drainage tube is installed on the power generation boiler and the medium-frequency heat transfer box, the heat conduction shaft tubes are evenly installed on the medium-frequency heat transfer box, the heat conduction distribution tubes are connected to the two sides of the heat conduction shaft tubes respectively, the air suction pump is installed on the medium-frequency heat transfer box, the limiting rings are installed on the outer side of the medium-frequency heat transfer box, the limiting ring blocks are provided with concave rotating grooves respectively, the convex rotating ring blocks are installed on the inner sides of the concave rotating grooves on the limiting ring blocks respectively, the gear ring clamping strips are installed on the outer sides of the convex rotating ring blocks, the stirring driving machine is installed on the outer side of the medium-frequency heat transfer box, the driving gear is installed on the driving end of the stirring driving machine, the driving gear is meshed with the gear ring clamping strip gears, the stirring support is installed on the inner side of the medium-frequency heat transfer box, the stirring driving shaft is installed on the stirring support through bearings, the stirring fan blades are sleeved on the stirring driving shaft, and the conduction magnet blocks are installed on the stirring fan blades and the convex rotating ring blocks respectively.
2. The power plant waste heat recycling device of claim 1, wherein the filtered oxygen supply structure comprises: the device comprises an inflator pump, an L-shaped drainage tube, a plurality of distribution tubes, a plurality of exhaust pipes, a plurality of splitter plates, a plurality of U-shaped siphon distribution tubes and a drainage tube;
the pump install in on the top of rose box, L type drainage tube install in on the bottom lateral wall of rose box, just L type drainage tube connect in on the pump, a plurality of the flow distribution plate is even install in the inboard of rose box, a plurality of the distribution pipe is even install in a plurality of on the flow distribution plate, a plurality of U type siphon distribution pipe is installed respectively in a plurality of on the flow distribution plate, and a plurality of U type siphon distribution pipe connects respectively in a plurality of on the blast pipe, the drainage tube connect in the rose box and on the heat conduction distribution pipe.
3. The power plant waste heat recycling device of claim 1, wherein a plurality of ball grooves are formed in the pair of concave rotating grooves, and moving balls are respectively arranged on inner sides of the plurality of ball grooves.
4. The power plant waste heat recycling device of claim 2, wherein a plurality of exhaust ports are formed in each of the plurality of exhaust pipes.
5. The power plant waste heat recycling device of claim 1, wherein an insulation layer is disposed inside the middle heat transfer box.
6. The power plant waste heat recycling device of claim 1, wherein a temperature sensor is disposed inside the middle heat transfer box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221836971.6U CN217604146U (en) | 2022-07-15 | 2022-07-15 | Waste heat circulating device for power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221836971.6U CN217604146U (en) | 2022-07-15 | 2022-07-15 | Waste heat circulating device for power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217604146U true CN217604146U (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221836971.6U Active CN217604146U (en) | 2022-07-15 | 2022-07-15 | Waste heat circulating device for power plant |
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| Country | Link |
|---|---|
| CN (1) | CN217604146U (en) |
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2022
- 2022-07-15 CN CN202221836971.6U patent/CN217604146U/en active Active
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