CN115218181B - Combustor waste heat recovery power generation facility based on thermophotovoltaic system - Google Patents
Combustor waste heat recovery power generation facility based on thermophotovoltaic system Download PDFInfo
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- CN115218181B CN115218181B CN202210805675.8A CN202210805675A CN115218181B CN 115218181 B CN115218181 B CN 115218181B CN 202210805675 A CN202210805675 A CN 202210805675A CN 115218181 B CN115218181 B CN 115218181B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/16—Over-feed arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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Abstract
A burner waste heat recovery power generation device based on a thermophotovoltaic system relates to the field of burner waste heat recovery, and aims to solve the problem of how to recycle redundant energy under the condition of keeping a constant and comfortable indoor temperature; the air inlet channel of the burner is of an annular cavity structure, and the air inlet channel of the burner is sleeved outside the burner and forms an annular mounting cavity with the burner; the N groups of thermophotovoltaic waste heat recovery mechanisms are arranged in the annular mounting cavity; each group of thermal photovoltaic waste heat recovery mechanisms comprises an arc-shaped radiator, an arc-shaped filter and an arc-shaped photovoltaic cell panel, wherein the arc-shaped radiator is fixedly attached to the outer wall of the combustor, and the arc-shaped filter is fixedly attached to the outer wall of the radiator; the arc-shaped photovoltaic cell panel is arranged right opposite to the arc-shaped filter and moves through the rotatable adjusting mechanism; the storage battery is connected with the arc-shaped photovoltaic cell panels in the N groups of thermal photovoltaic waste heat recovery mechanisms. The invention is used for recovering the waste heat of the combustor.
Description
Technical Field
The invention belongs to the field of combustor waste heat recovery, and particularly relates to a combustor waste heat recovery power generation device based on a thermophotovoltaic system.
Background
The thermophotovoltaic technology is a new technology for converting infrared radiation energy emitted by a high-temperature heat source into electric energy through a semiconductor PN junction, and compared with thermal power generation and semiconductor thermoelectric power generation, the thermophotovoltaic technology has the advantages of small occupied space, no moving parts, multiple heat source forms, low maintenance cost and the like, and the existing thermophotovoltaic system has been developed to achieve conversion efficiency of 40% and higher than the average efficiency of a heat engine based on a turbine, and becomes an energy conversion technology with practical value and development prospect.
At present, the rural areas in the north of China mainly depend on a household boiler for heating, the fuel mainly comprises coal, honeycomb briquette or wood, and the heat exchange mode generally adopts water heating or heated brick beds for heat exchange; because the boilers adopt different fuels for heating or because the heat generated by the boilers is different due to weather changes and other reasons, the indoor temperature is different, sometimes the indoor temperature is 22-24 ℃, the temperature is comfortable for people to live in, sometimes the indoor temperature exceeds 30 ℃, people feel vexed, even people need to open windows to release heat, and the energy is wasted; although the amount of fuel in the boiler can be adjusted, the fuel cannot be controlled at a constant comfortable temperature indoors due to the existence of unpredictable factors (outdoor weather changes) and poor control of the amount of fuel, and the wasted energy cannot be recycled. Therefore, how to recycle the redundant energy at a constant and comfortable indoor temperature is the key point of the application.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the problem of how to recycle the redundant energy under the condition of keeping a constant and comfortable indoor temperature; further provides a burner waste heat recovery power generation device based on the thermophotovoltaic system. Partial heat energy generated by combustion of the combustor is converted into electric energy by combining the thermophotovoltaic system, so that the whole device does not need an external power supply for power supply, can output the electric energy outwards, and can be applied to backward areas with incomplete infrastructure.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a burner waste heat recovery power generation device based on a thermophotovoltaic system comprises a burner, N groups of thermophotovoltaic waste heat recovery mechanisms, a rotatable adjusting mechanism, a burner air inlet channel and a storage battery; the air inlet channel of the burner is of an annular cavity structure, is sleeved outside the burner and forms an annular installation cavity with the burner; the N groups of thermal photovoltaic waste heat recovery mechanisms are uniformly arranged in the annular mounting cavity, and an adjusting gap is reserved between every two adjacent groups of thermal photovoltaic waste heat recovery mechanisms; each group of thermal photovoltaic waste heat recovery mechanisms comprises an arc-shaped radiator, an arc-shaped filter and an arc-shaped photovoltaic cell panel, wherein the arc-shaped radiator is fixedly attached to the outer wall of the combustor, and the arc-shaped filter is fixedly attached to the outer wall of the radiator; the arc-shaped photovoltaic cell panel is arranged right opposite to the arc-shaped filter and moves through the rotatable adjusting mechanism; the storage battery is connected with the arc-shaped photovoltaic cell panels in the N groups of thermal photovoltaic waste heat recovery mechanisms.
Compared with the prior art, the invention has the following beneficial effects:
1. the thermal photovoltaic waste heat recovery mechanism recovers the waste heat of the burner hearth for energy recovery and supplies power for the electricity required by the burner, and the arc-shaped photovoltaic cell panel has the maximum rotation angle, so the thermal photovoltaic waste heat recovery mechanism can ensure the constant output of the electric energy to maintain the electric energy required by the normal work of the device, and the redundant electric energy is stored by the storage battery and is used for supplying power for other aspects; the output ratio of heat energy and electric energy is changed by adjusting the arc-shaped photovoltaic cell panel, so that redundant energy can be recovered while the indoor temperature is comfortable;
2. the intermittent feeding of the burner is realized through the intermittent feeder, so that the heating temperature of a home is ensured, and redundant heat energy is not wasted;
3. the invention realizes the purpose of automatically cleaning and discharging ash in the hearth of the burner by the automatic ash cleaning mechanism.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a thermophotovoltaic waste heat recovery mechanism;
FIG. 3 is a schematic view of the connection between the burner inlet duct and the inclined inlet duct of the burner;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
fig. 5 is a schematic structural view of the floor drive unit.
In the figure: 1-a burner; 2-a thermophotovoltaic waste heat recovery mechanism; 2-1-arc radiator; 2-2-arc filter; 2-3-arc photovoltaic cell panel; 3, mounting a support plate in a circular ring shape; 4-a combustor air inlet channel; 4-1-air inlet pipe; 5-an annular mounting cavity; 6-a material storage box; 7-intermittent feeder; 8-automatic ash cleaning mechanism; 8-1-base plate; 8-2-filter plate; 8-3-ash collecting groove; 8-4-L-shaped scraping plates; 8-5-a first push rod; 8-6-ball bearing; 8-7-a second push rod; 8-8-U-shaped channel; 8-9-dial; 8-10-column; 8-11-a first link; 8-12-a second link; 8-13-U-shaped bracket; 8-14-spring; 8-15-abutting plates; 9-a rotatable adjustment mechanism; 10-a temperature sensor; 11-an exhaust fan; 12-an air intake; 13-a storage battery; 14-adjust the gap.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the embodiment of the present application provides a burner waste heat recovery power generation apparatus based on a thermophotovoltaic system, which includes a burner 1, N groups of thermophotovoltaic waste heat recovery mechanisms 2, a rotatable adjusting mechanism 9, a burner air inlet channel 4, and a storage battery 13; the combustor air inlet channel 4 is of an annular cavity structure, the combustor air inlet channel 4 is sleeved outside the combustor 1 and forms an annular mounting cavity 5 with the combustor 1, and cold air enters the combustor 1 through the combustor air inlet channel 4, on one hand, the cold air is fully contacted with fuel in a hearth to realize full combustion of the fuel, and on the other hand, the cold air plays a role in cooling the thermal photovoltaic waste heat recovery mechanism 2 in the annular mounting cavity 5; the N groups of thermal photovoltaic waste heat recovery mechanisms 2 are uniformly arranged in the annular mounting cavity 5 and are used for absorbing high temperature in a hearth of the combustor 1 and converting the high temperature into electric energy, and an adjusting gap 14 is reserved between every two adjacent groups of thermal photovoltaic waste heat recovery mechanisms 2;
each group of hot photovoltaic waste heat recovery mechanisms 2 comprises an arc-shaped radiator 2-1, an arc-shaped filter 2-2 and an arc-shaped photovoltaic cell panel 2-3, and the radians of the arc-shaped radiator 2-1, the arc-shaped filter 2-2 and the arc-shaped photovoltaic cell panel 2-3 are the same as the radian of the combustor 1; the arc radiator 2-1 is completely attached to the outer wall of the combustor 1 for fixing, the temperature rises to emit heat radiation after heat energy transferred from a hearth of the combustor 1 is absorbed, the arc filter 2-2 is completely attached to the outer wall of the radiator 2-1 for fixing and is used for filtering light transferred from the arc radiator 2-1, infrared light which does not meet requirements is reflected back to the arc radiator 2-1 for recycling, and available light with energy higher than the forbidden band width of a photovoltaic cell reaches the arc photovoltaic cell panel 2-3 through the arc filter 2-2; the arc-shaped photovoltaic cell panel 2-3 is arranged over against the arc-shaped filter 2-2 and used for absorbing the usable light which is transmitted by the arc-shaped filter 2-2 and is higher than the forbidden band width of the photovoltaic cell panel 2-3 and converting the radiation energy into electric energy to be output, and the arc-shaped photovoltaic cell panel 2-3 moves through the rotatable adjusting mechanism 9 to realize the adjustment of the electric energy output; the storage battery 13 is connected with the arc-shaped photovoltaic cell panels 2-3 in the N groups of thermal photovoltaic waste heat recovery mechanisms 2 and supplies power for electric appliances required by the combustor 1.
In this embodiment, thermophotovoltaic waste heat recovery mechanism 2 set up to the arc structure, make it laminate completely with combustor 1, the heat in the 1 furnace of absorption combustor that on the one hand can be better, on the other hand can reduce its shared volume.
In this embodiment, the outer side of the arc-shaped photovoltaic cell panel 2-3 is the burner air inlet channel 4, and since the north is very cold in winter, the convection heat transfer between the arc-shaped photovoltaic cell panel 2-3 and the cold air in the burner air inlet channel 4 is enough to cool the arc-shaped photovoltaic cell panel 2-3, so that the arc-shaped photovoltaic cell panel can normally work.
In this embodiment, the arc-shaped photovoltaic cell panel 2-3 rotates around the central axis of the burner 1 through the rotatable adjusting mechanism 9, so that the relative areas of the arc-shaped photovoltaic cell panel 2-3, the arc-shaped radiator 2-1 and the arc-shaped filter 2-2 are changed, wherein the rotation angle of the arc-shaped photovoltaic cell panel 2-3 can be automatically controlled through an electric control device; because the thermal photovoltaic power generation consumes the heat energy in the hearth of the burner, the increase of the relative area of the arc photovoltaic cell panel 2-3, the arc radiator 2-1 and the arc filter 2-2 means that more heat energy in the hearth is converted into electric energy, otherwise, more heat energy is reserved in the hearth due to the reduction of the relative area, the adjustment of the relative area of the arc photovoltaic cell panel 2-3, the arc radiator 2-1 and the arc filter 2-2 adjusts the output proportion of the heat energy and the electric energy to a certain extent, the thermal photovoltaic cell panel can be more flexibly applied to different requirements under different scenes, the temperature of the flue gas exhausted from the hearth of the burner is adjusted and controlled through the thermoelectric conversion, the room temperature is stabilized in a temperature range suitable for living, meanwhile, the redundant heat released by fuel combustion can be recovered, the full utilization of the energy is realized, the redundant energy is converted into the electric energy, the required electric power is provided for various electric devices in the application, and the redundant electric energy is stored in the storage battery to facilitate the outward power supply.
In a possible embodiment, the arc length of the adjusting gap 14 is 1/2 of the arc length of each group of thermophotovoltaic waste heat recovery mechanisms 2, and the maximum rotation angle a =120 °/N of the rotatable adjusting mechanism 9.
In this embodiment, the rotatable adjusting mechanism 9 ensures that no matter how the arc-shaped photovoltaic cell panel 2-3 rotates, a part of the rotatable adjusting mechanism is opposite to the arc-shaped radiator 2-1 and the arc-shaped filter 2-2, and ensures that the thermophotovoltaic waste heat recovery mechanism 2 outputs certain electric energy all the time, thereby maintaining the electric energy required by the normal operation of the device. Because the size of each group of the thermal photovoltaic waste heat recovery mechanisms 2 is 2 times of the adjusting gap 14, at least half of the arc-shaped photovoltaic cell panels 2-3 are opposite to the arc-shaped radiators 2-1 and the arc-shaped filters 2-2.
In this embodiment, the two sets of the thermophotovoltaic waste heat recovery mechanisms 2 are preferably used, the two sets of the thermophotovoltaic waste heat recovery mechanisms 2 are oppositely arranged on the outer wall of the combustor 1, and the maximum rotation angle a =60 ° of the rotatable adjusting mechanism 9.
In a possible embodiment, the arc radiator 2-1 is a metal radiator, the arc filter 2-2 is an all-dielectric filter, and the arc photovoltaic cell panel 2-3 is a flexible photovoltaic module made of gallium antimonide.
In a possible embodiment, two circular mounting support plates 3 are further arranged in the annular mounting cavity 5, the two circular mounting support plates 3 are sleeved outside the combustor 1 and are respectively arranged above and below the thermophotovoltaic waste heat recovery mechanism 2 and used for supporting and fixing the thermophotovoltaic waste heat recovery mechanism 2, and the arc radiator 2-1, the arc filter 2-2 and the arc photovoltaic cell panel 2-3 are fixed on the upper circular mounting support plate 3 and the lower circular mounting support plate 3; the inner ring wall of the circular ring-shaped mounting support plate 3 is fixedly connected with the outer wall of the combustor 1, and the outer ring wall of the circular ring-shaped mounting support plate 3 is fixedly connected with the inner ring surface of the combustor air inlet channel 4.
In a possible embodiment, the rotatable adjusting mechanism 9 is a bearing, which is sleeved outside the burner 1 and fixed on the upper circular mounting support plate 3; the top end of the arc-shaped photovoltaic cell panel 2-3 is fixedly connected to the lower end face of the bearing outer ring.
In a possible embodiment, the combustor 1 comprises a storage bin 6, an intermittent feeder 7 and an automatic ash removal mechanism 8, wherein the storage bin 6 is arranged at a feeding port of the combustor 1 and used for storing a certain amount of fuel, and the intermittent feeder 7 is arranged at the top of a hearth of the combustor 1 and used for adjusting the feeding amount and the feeding time in the hearth; the feed inlet of the intermittent feeder 7 is communicated with the discharge outlet of the storage box 6; the automatic ash removing mechanism 8 is arranged at an ash discharging port of the combustor 1 to achieve the purpose of automatically removing ash and discharging ash in a hearth of the combustor 1.
The intermittent feeder 7 in this embodiment is more suitable for biomass particles with lighter weight, and if the fuel is coal or wood, the furnace door on the front of the combustor 1 can be opened to deliver other forms of fuel to meet the combustion heat supply requirement under different conditions.
In the embodiment, an igniter is arranged in a hearth of the combustor 1, cold air enters the hearth of the combustor 1 through an air inlet channel 4 of the combustor, a fixed amount of fuel is added into the hearth of the combustor 1 at intervals by an intermittent feeder 7, the cold air and the fuel in the hearth are fully combusted, a longer heating period can be obtained under the condition of the same quality of fuel, a certain heating cost is saved, the required heating area under the household condition is limited, and smoke output by the combustor 1 is not required to have high temperature, so that the intermittent feeder 7 is also beneficial to controlling the temperature in the hearth of the combustor 1, the heating temperature of a home is ensured by the intermittent feeder 7, and redundant heat energy cannot be wasted; the quantity and the interval time of each fuel input of the intermittent feeder 7 can be set according to requirements;
in the embodiment, the position of the smoke exhaust pipeline of the hearth is flush with that of the intermittent feeder 7, the smoke exhaust pipeline is provided with an exhaust fan 11, high-temperature smoke in the hearth of the combustor 1 enters the smoke exhaust pipeline through one side of the intermittent feeder 7 and is exhausted, and the exhausted high-temperature smoke exchanges heat with the heat exchanger to achieve the purpose of heating; meanwhile, the high-temperature flue gas has a drying effect on the fuel in the intermittent feeder 7 when passing through the intermittent feeder, so that the moisture of the fuel is reduced, and the smoke generation is reduced during combustion; one side that is close to intermittent type nature feeder 7 in combustor 1's the furnace is provided with temperature sensor 10 and a plurality of inlet port 12, temperature sensor 10 be used for the survey to be close to the temperature in the furnace of one side of intermittent type nature feeder 7, prevent that the fuel in the intermittent type nature feeder 7 from burning because of high temperature, inlet port 12 communicate with each other with combustor inlet air channel 4, low temperature air that gets into through inlet port 12 regulates and control the flue gas temperature, has certain nitrogen inhibition effect.
In a possible embodiment, as shown in fig. 1 and 4, the automatic ash cleaning mechanism 8 comprises two bottom plates 8-1, a filter plate 8-2, an ash collecting groove 8-3, two L-shaped scrapers 8-4, two link rod units and two bottom plate transmission units, wherein the two bottom plates 8-1 are oppositely arranged and are slidably arranged on the upper surface of the filter plate 8-2, and the ash collecting groove 8-3 is arranged below the filter plate 8-2 and is used for collecting coal ash or plant ash; the two L-shaped scrapers 8-4 are respectively arranged on the upper surfaces of the two bottom plates 8-1 in a relatively sliding manner and are respectively connected with the outer end surfaces of the bottom plates 8-1 through a connecting rod unit, the vertical plates of the L-shaped scrapers 8-4 are vertically arranged with the bottom plates 8-1, and the transverse plates of the L-shaped scrapers 8-4 are parallel to the bottom plates 8-1; the bottom plate 8-1 realizes reciprocating motion through a bottom plate transmission unit.
In the embodiment, after the intermittent feeder 7 provides fuel for a plurality of times into the hearth, the automatic ash removal mechanism 8 starts ash removal work to avoid the blockage of the combustor 1 due to excessive dust; when a certain amount of coal ash or plant ash is accumulated on the two bottom plates 8-1, the two bottom plates 8-1 are driven to move back to back through the bottom plate transmission unit, an ash discharge port is formed between the two bottom plates 8-1, the bottom plates 8-1 drive the L-shaped scrapers 8-4 on the bottom plates to move in reverse through the connecting rod unit, namely the two L-shaped scrapers 8-4 move in opposite directions, and meanwhile, the two L-shaped scrapers 8-4 push the ash accumulated on the bottom plates 8-1 to the ash discharge port between the two bottom plates 8-1 to achieve the purpose of ash discharge. The accumulated dust enters the dust collecting groove 8-3 through the filter plate 8-2, the filter plate 8-2 can prevent the accumulated dust in the dust collecting groove 8-3 from flying out or overflowing, and if the fuel is biomass particles, the dust collecting groove 8-3 can collect plant ash for preparing the potash fertilizer.
In a possible embodiment, the link unit comprises a first push rod 8-5, a plurality of balls 8-6 connected in series, a second push rod 8-7 and a U-shaped channel 8-8; the ball bearings 8-6 connected in series are connected in series through a steel wire rope and are arranged in the U-shaped channel 8-8 in a sliding mode, the ball bearings 8-6 and the steel wire rope connected in series are used as a transmission chain, one end of the first push rod 8-5 is connected with the outer end face of the bottom plate 8-1, the other end of the first push rod 8-5 is inserted into an end port of the U-shaped channel 8-8 and is fixedly connected with one end of the steel wire rope of the ball bearings 8-6 connected in series, one end of the second push rod 8-7 is fixedly connected with one end of the L-shaped scraping plate 8-4, the other end of the second push rod 8-7 is inserted into an end port of the other end of the U-shaped channel 8-8 and is fixedly connected with the other end of the steel wire rope of the ball bearings 8-6 connected in series, and the U-shaped channel 8-8 is fixedly arranged and can be selectively fixed on a shell of the device.
In the embodiment, when the two bottom plates 8-1 move in the opposite directions, the bottom plates 8-1 are driven by the bottom plate transmission unit to drive the first push rods 8-5 connected with the bottom plates to move, the first push rods 8-5 push the balls 8-6 connected in series to move, the balls 8-6 connected in series push the second push rods 8-7 to move in the opposite directions relative to the first push rods 8-5 under the action of the U-shaped channels 8-8, and the second push rods 8-7 push the L-shaped scrapers 8-4 to move; when the two bottom plates 8-1 move oppositely, the bottom plate 8-1 is driven by the bottom plate transmission unit to drive the first push rod 8-5 connected with the bottom plate to move reversely, the first push rod 8-5 pulls the steel wire rope connected with the first push rod, and then pulls the second push rod 8-7 connected with the steel wire rope to move reversely, the second push rod 8-7 drives the L-shaped scraper 8-4 to move reversely, and the positions of the two bottom plates 8-1 and the two L-shaped scrapers 8-4 are reset.
In the embodiment, the balls 8-6 connected in series can well complete the work of changing the transmission direction under the condition that lubricating oil is coated in the U-shaped channel 8-8.
In a possible embodiment, the bottom plate transmission unit comprises a drive plate 8-9, a vertical column 8-10, a first connecting rod 8-11, a second connecting rod 8-12, a U-shaped bracket 8-13, two springs 8-14, a driving motor and an abutting plate 8-15; the driving plate 8-9 is obtained by vertically inserting a driving lever at each of two sides of a cylinder, the driving plate 8-9 is vertically arranged at one end of a first connecting rod 8-11 and is driven to rotate by a driving motor, the upright post 8-10 is vertically arranged on the first connecting rod 8-11 and is close to one side of the driving plate 8-9, the other end of the first connecting rod 8-11 is hinged at one end of a second connecting rod 8-12, and the other end of the second connecting rod 8-12 is hinged at a connecting rod of a U-shaped support 8-13; the abutting plates 8-15 are convex plates, the abutting plates 8-15 are vertically arranged on the ground, the middle convex plate of the abutting plates 8-15 is inserted into the U-shaped supports 8-13, and two shoulders of the abutting plates 8-15 are used for supporting the U-shaped supports 8-13; the outer end of the bottom plate 8-1 is positioned in the port of the U-shaped bracket 8-13 and is fixedly connected with the U-shaped bracket 8-13; one ends of the two springs 8-14 are transversely arranged on the outer end face of the bottom plate 8-1 side by side, and the other ends of the two springs 8-14 are connected to the middle convex plate of the abutting plate 8-15.
In the embodiment, when the driving plate 8-9 is driven by the driving motor to rotate, the driving rod on the driving plate 8-9 drives the upright post 8-10 to rotate along with the upright post 8-10, the upright post 8-10 drives the first connecting rod 8-11 to rotate by taking the axis of the driving plate 8-9 as an axis, the first connecting rod 8-11 drives the second connecting rod 8-12 hinged with the first connecting rod, the second connecting rod 8-12 drives the U-shaped bracket 8-13 connected with the second connecting rod to move, the U-shaped bracket 8-13 linearly moves towards the driving plate 8-9 under the action of the abutting plate 8-15, the U-shaped bracket 8-13 drives the bottom plate 8-1 connected with the U-shaped bracket to linearly move, when the upright post 8-10 is driven to the farthest side far away from the bottom plate 8-1, the two springs 8-14 are in a compressed state, the bottom plate 8-1 is reset under the action of the compression springs 8-14, and the bottom plate transmission unit drives the bottom plate 8-1 to intermittently reciprocate, so as to achieve the purpose of ash removal.
In a possible embodiment, the air inlet channel 4 of the combustor is communicated with a hearth of the combustor 1 through a plurality of air inlet pipes 4-1 which are uniformly arranged in the circumferential direction; the plurality of air inlet pipes 4-1 are obliquely inserted on the outer wall of the combustor 1.
In this embodiment, the outside cold air loops through in the intake pipe 4-1 that combustor inlet air channel 4 and slope set up enters into combustor 1's furnace, the air inlet on combustor 1 is provided with the valve, can get into the air flow in the furnace according to operating condition control, because combustor 1 designs for the cylinder shape to side direction air inlet and furnace become certain angle, just can produce the vortex when the air inflow for air and fuel can fully contact, and fuel burning is more abundant, has reduced the formation of flue gas.
The invention can artificially set the heat supply temperature, and then the control center dynamically adjusts a plurality of state quantities such as the single feeding quantity of the intermittent feeder 7, the opening and closing degree of the lateral air inlet valve of the combustor 1, the opening quantity of the air inlet holes 12 of the combustor, the rotation angle of the thermophotovoltaic waste heat recovery mechanism 2, the fan rotation speed of the exhaust fan 11 and the like, so that the indoor temperature is stabilized in a proper range interval, the invention is suitable for inhabitants of farmers, saves energy and avoids the loss of heat energy.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. The utility model provides a combustor waste heat recovery power generation facility based on thermophotovoltaic system which characterized in that: the device comprises a combustor (1), N groups of thermophotovoltaic waste heat recovery mechanisms (2), a rotatable adjusting mechanism (9), a combustor air inlet channel (4) and a storage battery (13); the combustor air inlet channel (4) is of an annular cavity structure, the combustor air inlet channel (4) is sleeved outside the combustor (1) and forms an annular mounting cavity (5) with the combustor (1); the N groups of the thermophotovoltaic waste heat recovery mechanisms (2) are uniformly arranged in the annular mounting cavity (5), and an adjusting gap (14) is reserved between every two adjacent groups of the thermophotovoltaic waste heat recovery mechanisms (2);
each group of thermal photovoltaic waste heat recovery mechanisms (2) comprises an arc-shaped radiator (2-1), an arc-shaped filter (2-2) and an arc-shaped photovoltaic cell panel (2-3), wherein the arc-shaped radiator (2-1) is fixedly attached to the outer wall of the combustor (1), and the arc-shaped filter (2-2) is fixedly attached to the outer wall of the radiator (2-1); the arc-shaped photovoltaic cell panel (2-3) is arranged right opposite to the arc-shaped filter (2-2) and moves through the rotatable adjusting mechanism (9); the storage battery (13) is connected with the arc photovoltaic cell panels (2-3) in the N groups of thermal photovoltaic waste heat recovery mechanisms (2).
2. The thermophotovoltaic system based burner waste heat recovery power generation device according to claim 1, wherein: the arc length of the adjusting gap (14) is 1/2 of the arc length of each group of the thermophotovoltaic waste heat recovery mechanisms (2), and the maximum rotation angle a =120 DEG/N of the rotatable adjusting mechanism (9).
3. The thermophotovoltaic system based burner waste heat recovery power generation device according to claim 2, wherein: the arc radiator (2-1) is a metal radiator, the arc filter (2-2) is an all-dielectric filter, and the arc photovoltaic cell panel (2-3) is a flexible photovoltaic module made of gallium antimonide.
4. The thermophotovoltaic system based burner waste heat recovery power generation device according to claim 3, wherein: the annular mounting cavity (5) is also internally provided with two annular mounting support plates (3), and the two annular mounting support plates (3) are sleeved outside the combustor (1), are respectively arranged above and below the thermophotovoltaic waste heat recovery mechanism (2) and are used for supporting the thermophotovoltaic waste heat recovery mechanism (2); the inner annular wall of the circular mounting support plate (3) is fixedly connected with the outer wall of the combustor (1), and the outer annular wall of the circular mounting support plate (3) is fixedly connected with the inner annular surface of the combustor air inlet channel (4).
5. The thermophotovoltaic system based burner waste heat recovery power generation device according to claim 4, wherein: the rotatable adjusting mechanism (9) is a bearing, and the bearing is sleeved outside the combustor (1) and fixed on the circular mounting support plate (3) positioned above the combustor; the top end of the arc photovoltaic cell panel (2-3) is fixedly connected to the lower end face of the bearing outer ring.
6. The thermophotovoltaic system based burner waste heat recovery power generation device according to claim 1, wherein: the combustor (1) comprises a storage box (6), an intermittent feeder (7) and an automatic ash cleaning mechanism (8), wherein the storage box (6) is arranged at a feed port of the combustor (1), the intermittent feeder (7) is arranged in a combustion chamber of the combustor (1), and the feed port of the intermittent feeder (7) is communicated with a discharge port of the storage box (6); the automatic ash cleaning mechanism (8) is arranged at an ash discharge port of the combustor (1).
7. The thermophotovoltaic system based burner waste heat recovery power generation device according to claim 6, wherein: the automatic ash cleaning mechanism (8) comprises two bottom plates (8-1), a filter plate (8-2), an ash collecting groove (8-3), two L-shaped scrapers (8-4), two connecting rod units and two bottom plate transmission units, wherein the two bottom plates (8-1) are oppositely arranged and are slidably mounted on the upper surface of the filter plate (8-2), and the ash collecting groove (8-3) is arranged below the filter plate (8-2) and is used for collecting coal ash or plant ash; the two L-shaped scrapers (8-4) are respectively arranged on the upper surfaces of the two bottom plates (8-1) in a relatively sliding manner and are respectively connected with the outer end surfaces of the bottom plates (8-1) through a connecting rod unit; the bottom plate (8-1) realizes reciprocating motion through the bottom plate transmission unit.
8. The thermophotovoltaic system based burner waste heat recovery power generation device according to claim 7, wherein: the connecting rod unit comprises a first push rod (8-5), a plurality of balls (8-6) connected in series, a second push rod (8-7) and a U-shaped channel (8-8); the ball bearing type chain scraper is characterized in that a plurality of serially connected balls (8-6) are connected in series through a steel wire rope and are arranged in a U-shaped channel (8-8) in a sliding mode, one end of a first push rod (8-5) is connected with the outer end face of a bottom plate (8-1), the other end of the first push rod (8-5) is inserted into a port at one end of the U-shaped channel (8-8) and is fixedly connected with one end of the steel wire rope of the serially connected balls (8-6), one end of a second push rod (8-7) is fixedly connected with one end of an L-shaped scraper (8-4), the other end of the second push rod (8-7) is inserted into a port at the other end of the U-shaped channel (8-8) and is fixedly connected with the other end of the steel wire rope of the serially connected balls (8-6), and the U-shaped channel (8-8) is fixedly arranged.
9. The thermophotovoltaic system based burner waste heat recovery power generation device according to claim 8, wherein: the bottom plate transmission unit comprises a drive plate (8-9), upright posts (8-10), first connecting rods (8-11), second connecting rods (8-12), U-shaped supports (8-13), two springs (8-14), a driving motor and an abutting plate (8-15); the driving plate (8-9) is vertically arranged at one end of a first connecting rod (8-11) and is driven to rotate by a driving motor, the upright post (8-10) is vertically arranged on the first connecting rod (8-11) and is close to one side of the driving plate (8-9), the other end of the first connecting rod (8-11) is hinged to one end of a second connecting rod (8-12), and the other end of the second connecting rod (8-12) is hinged to a connecting rod of a U-shaped support (8-13); the butt joint plates (8-15) are convex-shaped plates, the butt joint plates (8-15) are vertically arranged on the ground, the middle convex plate of the butt joint plates (8-15) is inserted into the U-shaped supports (8-13), and two shoulders of the butt joint plates (8-15) are used for supporting the U-shaped supports (8-13); the outer end of the bottom plate (8-1) is positioned in the port of the U-shaped bracket (8-13) and fixedly connected with the U-shaped bracket (8-13); one ends of the two springs (8-14) are transversely arranged on the outer end face of the bottom plate (8-1) side by side, and the other ends of the two springs (8-14) are connected to a middle convex plate of the abutting plate (8-15).
10. The thermophotovoltaic system based burner waste heat recovery power generation device according to claim 9, wherein: the air inlet channel (4) of the combustor is communicated with a combustion chamber of the combustor (1) through a plurality of air inlet pipes (4-1) which are uniformly arranged in the circumferential direction; the plurality of air inlet pipes (4-1) are obliquely inserted on the outer wall of the combustor (1).
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