CN214009275U

CN214009275U - Energy-saving environment-friendly biomass large cooking stove

Info

Publication number: CN214009275U
Application number: CN202022482647.6U
Authority: CN
Inventors: 梁书元; 陈佳琦; 孔宇; 赵国成
Original assignee: Huann Qixiao Energy Saving Technology Co ltd
Current assignee: Huann Qixiao Energy Saving Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-20
Anticipated expiration: 2030-10-30

Abstract

The invention is suitable for the field of environmental protection and energy saving, and provides an energy-saving and environment-friendly biomass big pot stove which comprises a pot stove body, wherein a hearth is arranged in the pot stove body, and a pot body is arranged above the hearth; a section of area close to the lower position of the hearth is a cavity, and the area of the pot stove body close to the cavity is provided with air holes; a drawer is arranged below the area close to the cavity; one side of the hearth is communicated with a smoke exhaust pipeline through a pipeline, and the smoke exhaust pipeline comprises an inner pipeline for exhausting smoke and an outer pipeline surrounding the inner pipeline; a water interlayer for water inflow is formed in a gap between the inner pipeline and the outer pipeline; the water interlayer and the inner pipeline are communicated with a heat conducting pipe; a water vapor grid is arranged in the water interlayer; the steam grid, the inner pipeline and the outer pipeline are enclosed to form a steam guide pipe, the steam guide pipe is communicated with the steam turbine through the steam conveying pipeline, and the steam turbine is connected with a power generation device which can be driven by the steam turbine to rotate.

Description

Energy-saving environment-friendly biomass large cooking stove

Technical Field

The invention relates to the field of environmental protection and energy conservation, in particular to an energy-saving and environment-friendly biomass big pot stove.

Background

Due to the increasing shortage of resources such as coal, petroleum, natural gas and the like, the novel large biomass stove which takes biomass as fuel and has low manufacturing cost is increasingly popular with people. But many biomass big cookers at present are only simple changes of the traditional soil cookers; some biomass large cookers reduce the heat dissipated during the burning of the cookers by enhancing the sealing performance of the cookers or adopting a mode of installing heat insulation plates, but the existing cookers have many defects in the aspects of improving the energy utilization rate and protecting the environment as a whole; for example, the conventional cooking range adopts the traditional biomass materials such as wood and the like as raw materials for combustion, so that the combustion is insufficient, and the energy utilization rate is low; the existing cooking stove has serious air pollution because the pipeline for discharging waste gas is directly connected with the outside air; the existing cooking stove adopts a simple closed structure, reduces heat dissipation to a certain extent, and still causes a large amount of heat loss in the combustion process.

Disclosure of Invention

The invention provides an energy-saving and environment-friendly biomass big pot stove, and aims to solve the problems in the background technology.

In order to realize the purpose, the invention adopts the following technical scheme to realize the purpose:

an energy-saving environment-friendly biomass big pot stove comprises a pot stove body, wherein a motor is arranged in the pot stove body, and the output end of the motor is linked with a cutting gear through a transmission device; the cutting gear is used for cutting fuel to help the fuel to be more fully combusted; a sieving partition plate is arranged below the cutting gear and is rotationally connected to the cooking stove body; a hearth is arranged on one side of the sieving partition plate, which can swing around the rotating connection part; when the sieving partition plate is put down, the fuel slides into the hearth along the inclined wall formed by the sieving partition plate; a pot body is arranged above the hearth; a section of area close to the lower position of the hearth is a cavity, and the area of the pot stove body close to the cavity is provided with air holes; the air holes are hook-shaped and used for allowing air to enter from the outside; a drawer is arranged below the area close to the cavity; the drawer is used for receiving burning ash which can be used for producing biological fertilizer; one side of the hearth is communicated with a smoke exhaust pipeline through a pipeline, and the smoke exhaust pipeline comprises an inner pipeline for exhausting smoke and an outer pipeline surrounding the inner pipeline; a water interlayer for water inflow is formed in a gap between the inner pipeline and the outer pipeline; the water interlayer and the inner pipeline are communicated with a heat conducting pipe; when the large cooking stove is used, water is injected into the water interlayer, the temperature of the burnt waste gas is still high after the burnt waste gas enters the smoke exhaust pipeline, and the waste gas heats the water in the water interlayer through the heat conduction pipe so as to generate water vapor; a water vapor grid is arranged in the water interlayer; the water vapor grille, the inner pipeline and the outer pipeline are enclosed to form a vapor conduit; the water vapor grille can separate water from water vapor and only enable the water vapor to enter the steam guide pipe; the steam guide pipe is communicated with a steam turbine through a water steam conveying pipeline, and the steam turbine is connected with a power generation device which can be driven by the rotation of the steam turbine; steam strikes the steam turbine through steam conduit and steam conveying pipeline, and then drives the steam turbine rotation, and the steam turbine rotation drives power generation facility electricity generation, and steam is discharged to the external world through the gas vent on the steam turbine at last.

After the steam enters the steam conduit, P is pressure, V is volume, n is amount of substance, R is constant, T is temperature according to PV ═ n R T; as the steam enters the steam conduit, the amount and temperature of the substance in the steam conduit increases, and the volume of the steam conduit is constant, so the pressure in the steam conduit increases. As the steam belongs to low-speed fluid, when the steam is spread over the steam conduit, the density of the steam is not greatly changed and can be regarded as non-pressure fluid for treatment, and then the NS equation is utilized

Because the viscosity of the water vapor is not large, the viscosity term in the equation can be removed and converted to obtain:

considering a streamline gives:

thus:

it can be seen that the water vapor starts to have acceleration and moves to a place with small pressure intensity to accelerate, namely, the water vapor is accelerated to be sprayed out according to the path set by the invention. At the place that promotes steam turbine rotation, because the trompil diameter that steam got into steam turbine is far less than the pipeline diameter that links to each other with other positions, according to V1S 1 be V2S 2, when sectional area S2 is less than S1, V2' S speed can be greater than V1, steam after the acceleration can drive steam turbine, steam turbine rotation drive power generation facility to accomplish the conversion of heat energy to electric energy, fully utilized big pot and stove dissipated energy.

Furthermore, sieve holes are formed on the sieving partition plate; the sieve mesh is used for filtering biomass fuel with proper size; one end of the sieving clapboard is connected with a hinge which is fixed on the cooking stove body.

Further, a biomass fuel placing box is arranged below the hearth, and biomass fuel can be placed in the biomass fuel placing box; the purpose is to dry the biomass by the residual temperature after combustion to provide a drier fuel.

Furthermore, the transmission device comprises a transmission shaft and a gear, and two ends of the transmission shaft are respectively connected with the output end of the motor and the gear; the number of the cutting gears is two, and the gears are positioned between the two cutting gears and are meshed with the cutting gears; so as to achieve the purpose of driving two cutting gears through one transmission shaft.

Further, a sealing gasket is arranged between the upper side of the pot body and the stove body in a surrounding mode and attached to the pot body to prevent heat loss.

Further, the power generation device comprises a power generation rotor, a power generation stator and a storage battery; the power generation rotor is connected with the steam turbine, the power generation stator is fixed on the side wall below the cooking stove body, and the storage battery is arranged on the bottom plate of the cooking stove body to form the power generation part of the invention.

Furthermore, a heat insulation water tank is arranged around the hearth, a water inlet is formed in the heat insulation water tank, and the water inlet is exposed on the surface above the cooking stove body; water is injected into the heat insulation water tank to absorb the temperature of the cooking range to generate hot water.

Furthermore, a filter screen is arranged at the position, close to the outlet, of the smoke exhaust pipeline; after heat pipe among the exhaust pipe transmitted the heat to the aquatic, must make the exhaust gas temperature reduce, the reduction of exhaust gas temperature can make harmful substance and granule in the waste gas easier to solidify on the filter screen.

Furthermore, a furnace bottom clapboard is arranged below the cavity area, the cavity area is separated from the drawer by the furnace bottom clapboard, the furnace bottom clapboard consists of two semicircles with holes, the two semicircular iron plates are hinged on the cooking stove body, and the two semicircular iron plates are detachably connected; the two semicircular iron plates are separated and dropped so that ashes can drop into the drawer.

Furthermore, a plurality of air inlet fans are arranged on the periphery of the furnace bottom clapboard.

Furthermore, a supporting wheel is arranged below the cooking stove body, and a brake is arranged on the supporting wheel.

Further, a heat insulation layer is laid on the surface of the cooking stove body and made of ceramic materials.

Further, a furnace chamber heat insulation door is arranged on the cooking stove body; the furnace chamber heat insulation door is used for observing the combustion condition; or when the cutting gear is not used for cutting the fuel, the heat insulation door of the furnace chamber is opened for feeding.

The invention has the beneficial effects that: according to the invention, the smoke exhaust pipeline, the heat conduction pipe, the power generation device, the steam guide pipe, the steam grid and the steam turbine are communicated, so that the conversion from heat energy to electric energy is completed, and the energy dissipated by the cooker body is fully utilized; through the communication arrangement among the smoke exhaust pipeline, the filter screen and the heat conduction pipes, the heat conduction pipes conduct the temperature to water and generate water vapor, so that the temperature of the smoke is inevitably reduced, and harmful substances and particles in the smoke are easier to solidify on the filter screen due to the reduction of the temperature; the specific heat capacity of water is 4200 coke/kg + centigrade, and the water is the largest among common substances, so that heat can be effectively stored; therefore, the heat insulation water tank for injecting water is arranged around the hearth, so that hot water can be produced for use, and heat insulation can be provided for the hearth to a certain degree; meanwhile, the thick ceramic furnace body is arranged on the outermost layer, so that heat can be further insulated, and the combustion energy can be prevented from being dissipated.

Drawings

FIG. 1 is a schematic 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;

figure 4 is a schematic view of a portion of a screening partition;

FIG. 5 is a schematic view of a portion of a smoke exhaust duct;

FIG. 6 is a schematic view of a portion of the sole plate.

In the figure: 1. a support wheel; 2. an electric motor; 3. a transmission device; 4. cutting the gear; 5. a biomass fuel storage tank; 6. a drawer; 7. a heat insulation door of the furnace chamber; 8. a heat-insulating water tank; 9. a storage battery; 10. a steam turbine; 11. a power generation device; 12. a water vapor delivery conduit; 13. a smoke exhaust duct; 14. a filter screen; 15. braking; 16. a hearth; 17. a thermal insulation layer; 18. a pan body; 19. a water inlet; 20. sieving the partition plate; 21. a hinge; 22. a water barrier layer; 23. a steam conduit; 24. a heat conducting pipe; 25. a furnace bottom baffle; 26. an air intake fan; 27. a water vapor grille; 28. and sealing the gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.

As shown in fig. 1-6, the energy-saving and environment-friendly biomass big pot stove comprises a pot stove body, wherein a motor 2 is arranged in the pot stove body, and the output end of the motor 2 is linked with a cutting gear 4 through a transmission device 3; the cutting gear 4 is used for cutting fuel to help the fuel to be more fully combusted; a sieving clapboard 20 is arranged below the cutting gear 4, and the sieving clapboard 20 is rotationally connected to the cooking stove body; a hearth 16 is arranged on one side of the sieving partition plate 20 which can swing around the rotating connection part; when the screen plate 20 is lowered, the fuel slides into the furnace 16 along the inclined wall formed by the screen plate 20; a pot body 18 is arranged above the hearth 16; a section of area close to the lower position of the hearth 16 is a cavity, and the area of the pot stove body close to the cavity is provided with air holes; the air holes are hook-shaped and used for allowing air to enter from the outside; a drawer 6 is arranged below the area close to the cavity; the drawer 6 is intended to receive the ashes of combustion, which can be used for the production of bio-fertilizer; one side of the hearth 16 is communicated with a smoke exhaust pipeline 13 through a pipeline, and the smoke exhaust pipeline 13 comprises an inner pipeline for discharging smoke and an outer pipeline surrounding the inner pipeline; the gap between the inner and outer pipes forms a water barrier 22 for water ingress; the water interlayer 22 and the inner pipeline are communicated with a heat conduction pipe 24; when the large cooking stove is used, water is injected into the water interlayer 22, the temperature of the burnt waste gas is still high after the burnt waste gas enters the smoke exhaust pipeline 13, and the waste gas heats the water in the water interlayer 22 through the heat conduction pipe 24 so as to generate water vapor; a water vapor grille 27 is arranged in the water interlayer 22; the steam grid 27, the inner pipeline and the outer pipeline enclose to form a steam conduit 23; the steam grid 27 will separate water from steam only to let steam enter the steam conduit 23; the steam guide pipe 23 is communicated with the steam turbine 10 through a water steam conveying pipeline 12, and the steam turbine 10 is connected with a power generation device 11 which can be driven by the rotation of the steam turbine 10; steam impacts the steam turbine 10 through the steam guide pipe 23 and the steam conveying pipeline 12, then the steam turbine 10 is driven to rotate, the steam turbine 10 rotates to drive the power generation device 11 to generate power, and finally the steam is exhausted to the outside through an exhaust port in the steam turbine 10.

After the steam enters the steam conduit 23, P is the pressure, V is the volume, n is the amount of substance, R is a constant, T is the temperature, according to PV ═ n × R × T; as the steam enters the steam guide 23, the amount and temperature of the substance in the steam guide 23 increase, and the volume of the steam guide 23 is constant, so that the pressure in the steam guide 23 increases. Since the steam belongs to low-speed fluid, when the steam spreads over the steam conduit 23, the steam density is not greatly changed and can be regarded as non-pressure fluid for treatment, and then the NS equation is utilized

considering a streamline gives:

thus:

it can be seen that the water vapor starts to have acceleration and moves to a place with small pressure intensity to accelerate, namely, the water vapor is accelerated to be sprayed out according to the path set by the invention. In the place where the steam turbine 10 is pushed to rotate, because the diameter of the opening of the steam entering the steam turbine 10 is far smaller than the diameter of the pipeline connected with other positions, according to V1S 1-V2S 2, when the sectional area S2 is smaller than S1, the speed of V2 is greater than V1, the accelerated steam drives the steam turbine 10, the steam turbine 10 rotates to drive the power generation device 11, thereby completing the conversion from heat energy to electric energy, and fully utilizing the energy dissipated by the large cooking range.

Furthermore, sieve holes are arranged on the sieving clapboard 20; the sieve mesh is used for filtering biomass fuel with proper size; one end of the sieving clapboard 20 is connected with a hinge 21, and the hinge 21 is fixed on the cooking stove body.

Further, a biomass fuel placing box 5 is arranged below the hearth 16, and biomass fuel can be placed in the biomass fuel placing box 5; the purpose is to dry the biomass by the residual temperature after combustion to provide a drier fuel.

Further, the transmission device 3 comprises a transmission shaft and a gear, and two ends of the transmission shaft are respectively connected with the output end of the motor 2 and the gear; the number of the cutting gears 4 is two, and the gears are positioned between the two cutting gears 4 and are meshed with the cutting gears 4; so as to achieve the purpose of driving the two cutting gears 4 through one transmission shaft.

Further, a sealing gasket 28 is arranged between the upper side of the pot body 18 and the stove body in a surrounding mode, and the sealing gasket 28 is attached to the pot body 18 to prevent heat loss.

Further, the power generation device 11 includes a power generation rotor, a power generation stator, and a storage battery 9; the power generation rotor is connected with the steam turbine 10, the power generation stator is fixed on the side wall below the cooking stove body, and the storage battery 9 is arranged on the bottom plate of the cooking stove body to form the power generation part of the invention.

Further, a heat insulation water tank 8 is arranged around the hearth 16, a water inlet 19 is formed in the heat insulation water tank 8, and the water inlet 19 is exposed on the surface above the cooking stove body; water is injected into the heat insulation water tank 8 to absorb the temperature of the cooking range to generate hot water.

Furthermore, a filter screen 14 is arranged at the position, close to the outlet, of the smoke exhaust pipeline 13; after the heat pipe 24 in the smoke exhaust pipeline 13 transfers heat to water, the temperature of the exhaust gas is inevitably reduced, and harmful substances and particles in the exhaust gas are more easily solidified on the filter screen 14 due to the reduction of the temperature of the exhaust gas.

Further, a furnace bottom clapboard 25 is arranged below the cavity area, the cavity area is separated from the drawer 6 by the furnace bottom clapboard 25, the furnace bottom clapboard 25 consists of two semicircles with holes, the two semicircular iron plates are hinged on the cooking stove body, and the two semicircular iron plates are detachably connected; the two semicircular iron plates are separated and fall down so that ashes can fall into the drawer 6.

Further, a plurality of air intake fans 26 are disposed around the bottom partition 25.

Further, a supporting wheel 1 is arranged below the cooking stove body, and a brake 15 is arranged on the supporting wheel 1.

Further, a heat insulation layer 17 is laid on the surface of the cooking stove body, and the heat insulation layer 17 is made of ceramic materials.

Further, a furnace chamber heat insulation door 7 is arranged on the cooking stove body; the furnace chamber heat insulation door 7 is used for observing the combustion condition; or for use when the fuel is not cut using the cutting gear 4, the oven cavity heat insulation door 7 is opened for refueling.

The specific working principle of the invention is as follows: the biomass fuel enters the hearth 16 for combustion, the waste gas after combustion enters the smoke exhaust pipeline 13, the waste gas generated after combustion still has higher temperature after entering the smoke exhaust pipeline 13, and the waste gas heats the water in the water interlayer 22 through the heat conduction pipe 24 so as to generate water vapor; the steam grid 27 will separate water from steam only to let steam enter the steam conduit 23; steam impacts the steam turbine 10 through the steam guide pipe 23 and the steam conveying pipeline 12, then the steam turbine 10 is driven to rotate, the steam turbine 10 rotates to drive the power generation device 11 to generate power, and finally the steam is exhausted to the outside through an exhaust port in the steam turbine 10.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. An energy-saving environment-friendly biomass big pot stove comprises a pot stove body and is characterized in that a motor is arranged in the pot stove body, and the output end of the motor is linked with a cutting gear through a transmission device; a sieving partition plate is arranged below the cutting gear and is rotationally connected to the cooking stove body; a hearth is arranged on one side of the sieving partition plate, which can swing around the rotating connection part, and a pot body is arranged above the hearth; a section of area close to the lower position of the hearth is a cavity, and the area of the cooking stove body close to the cavity is provided with air holes; a drawer is arranged below the cavity area; one side of the hearth is communicated with a smoke exhaust pipeline through a pipeline, and the smoke exhaust pipeline comprises an inner pipeline for exhausting smoke and an outer pipeline surrounding the inner pipeline; a water insulation layer for water inflow is formed in a gap between the inner pipeline and the outer pipeline; the water interlayer and the inner pipeline are communicated with a heat conducting pipe; a water vapor grid is arranged in the water interlayer; the steam grid, the inner pipeline and the outer pipeline are enclosed to form a steam guide pipe, the steam guide pipe is communicated with a steam turbine through a steam conveying pipeline, and the steam turbine is connected with a power generation device capable of being driven by the rotation of the steam turbine.

2. The energy-saving environment-friendly biomass big pot and stove according to claim 1, characterized in that the sieving partition plate is provided with a sieve hole; one end of the sieving partition plate is connected with a hinge, and the hinge is fixed on the cooking stove body.

3. The energy-saving environment-friendly biomass big pot and stove according to claim 1, characterized in that a biomass fuel placing box is arranged below the hearth, and biomass fuel is placed in the biomass fuel placing box.

4. The energy-saving environment-friendly biomass big pot stove according to claim 1, wherein the transmission device comprises a transmission shaft and a gear, and two ends of the transmission shaft are respectively connected with the output end of the motor and the gear; the number of the cutting gears is two, and the gear is positioned between the two cutting gears and is meshed with the cutting gears.

5. The energy-saving environment-friendly biomass big range according to claim 1, wherein a sealing gasket is arranged between the upper side of the pot body and the range body in a surrounding manner, and the sealing gasket is attached to the pot body.

6. The energy-saving environment-friendly biomass big pot stove according to claim 1, characterized in that the power generation device comprises a power generation rotor, a power generation stator and a storage battery; the power generation rotor is connected with the steam turbine, the power generation stator is fixed on the side wall below the cooking stove body, and the storage battery is arranged on the bottom plate of the cooking stove body.

7. The energy-saving environment-friendly biomass big pot stove according to claim 1, characterized in that a heat insulation water tank is arranged around the hearth, a water inlet is arranged on the heat insulation water tank, and the water inlet is exposed on the upper surface of the pot stove body.

8. The energy-saving environment-friendly biomass big pot stove according to claim 1, wherein a filter screen is arranged on the smoke exhaust pipeline close to the outlet of the smoke exhaust pipeline.

9. The energy-saving environment-friendly biomass big pot stove according to claim 1, characterized in that a bottom clapboard is arranged below the cavity area, the bottom clapboard separates the cavity area from the drawer, the bottom clapboard is composed of two semicircular iron plates with holes, the semicircular iron plates are hinged on the pot stove body, and the two semicircular iron plates are detachably connected.

10. The energy-saving environment-friendly biomass big pot and stove according to claim 9, characterized in that a plurality of air intake fans are arranged around the furnace bottom clapboard.