CN107514622B - Three-purpose steam engine for electricity, gas and biomass - Google Patents

Three-purpose steam engine for electricity, gas and biomass Download PDF

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CN107514622B
CN107514622B CN201710639107.4A CN201710639107A CN107514622B CN 107514622 B CN107514622 B CN 107514622B CN 201710639107 A CN201710639107 A CN 201710639107A CN 107514622 B CN107514622 B CN 107514622B
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combustion
electric
steam
water tank
gas
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CN107514622A (en
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叶常青
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method
    • F22B1/28Methods of steam generation characterised by form of heating method in boilers heated electrically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method

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  • Life Sciences & Earth Sciences (AREA)
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  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Solid-Fuel Combustion (AREA)

Abstract

The invention provides an electric, gas and biomass three-purpose steam engine, which belongs to the technical field of boilers and comprises an electric steam generator, a combustion steam generator, a water inlet pipe, a water outlet pipe, four electromagnetic valves, a controller and a cabinet body; the electric steam generator comprises an electric heating bin, a heating resistor, an electric steam main water tank, an electric steam auxiliary water tank, an electric steam liquid level meter, an electric steam bag and an electric steam return pipe; the combustion steam generator comprises a heating box, a gas combustion device and a biomass combustion device; the heating box comprises a combustion heating bin, a combustion generation main water tank, a combustion generation auxiliary water tank, a combustion generation liquid level meter, a combustion generation heating pipe, a combustion generation steam drum, a combustion generation return pipe and a fan. According to the invention, the electric steam generator and the combustion steam generator are arranged for generating steam by using different energy sources, and the controller is also arranged for controlling whether the electric steam generator and the combustion steam generator are used for feeding water and discharging steam, so that the different energy sources can be freely selected for supplying steam, and the wider use population is covered.

Description

Three-purpose steam engine for electricity, gas and biomass
Technical Field
The invention belongs to the technical field of boilers, and particularly relates to an electric, gas and biomass three-purpose steam engine.
Background
A large amount of straws are often left by farmers in vast areas of China after crops are planted, and the farmers treat the straws in an incineration mode due to the problems of recycling price and recycling cost, so that the environment is damaged, and energy is wasted.
Meanwhile, the energy sources used by the steam boilers sold in the market are single, the energy sources are slow in continuous change of energy source price and market reaction, the energy source prices in different areas are different, the sales range of the boilers using the single energy source is small, and the steam boilers using the single energy source can influence the normal operation of enterprises when the energy source is temporarily supplied.
Disclosure of Invention
In order to provide a steam boiler capable of using multiple energy sources, not only can biomass fuel be used for generating steam, but also flammable gas or electricity can be used for generating steam, and the trouble caused by suspension of supply of single energy source when single energy source is used is avoided, the invention adopts the following technical scheme: the electric, gas and biomass three-purpose steamer comprises an electric steam generator, a combustion steam generator, a water inlet pipe, an air outlet pipe, four electromagnetic valves, a controller and a cabinet body; the electric steam generator comprises an electric heating bin, a heating resistor, an electric steam main water tank, an electric steam auxiliary water tank, an electric steam liquid level meter, an electric steam bag and an electric steam return pipe; the heating resistor is arranged in the electric heating bin, and the electric steam main water tank is arranged above the electric heating bin; the electric steam auxiliary water tank is arranged on the side face of the electric steam main water tank, and the top face of the electric steam auxiliary water tank is not higher than the top face of the electric steam main water tank; the electric steam liquid level meter is arranged on the electric steam auxiliary water tank and is used for detecting the water level of the electric steam generator; the electric steam bag is arranged above the electric steam main water tank, and the electric steam main water tank is respectively communicated with the electric heating bin, the electric steam auxiliary water tank and the electric steam bag; the electric steam auxiliary water tank is communicated with the electric steam bag through the electric steam return pipe; the combustion steam generator comprises a heating box, a gas combustion device and a biomass combustion device; the heating box comprises a combustion heating bin, a combustion generation main water tank, a combustion generation auxiliary water tank, a combustion generation liquid level meter, a combustion generation heating pipe, a combustion generation steam drum, a combustion generation return pipe and a fan; the gas combustion device is arranged in a combustion heating bin below the combustion generation main water tank, and the combustion generation main water tank and the combustion generation heating pipe are heated by burning gas to generate flame; the auxiliary combustion water tank is arranged on the side face of the main combustion water tank, and the top face of the auxiliary combustion water tank is not higher than the top face of the main combustion water tank; the combustion generation liquid level meter is arranged on the combustion generation auxiliary water tank and is used for detecting the water level of the heating tank; the combustion generating heating pipe penetrates through the combustion generating main water tank and is communicated with the fan, and the fan pumps out tail gas of combustion gas in the combustion generating heating pipe; the combustion generating steam packet is arranged above the combustion generating main water tank, the combustion generating main water tank is respectively communicated with the combustion generating steam packet and the combustion generating auxiliary water tank, and the combustion generating steam packet is communicated with the combustion generating auxiliary water tank through the combustion generating return pipe; the biomass combustion device comprises a feed hopper, a combustion bin, a packing auger, a motor, a partition plate, a blower and an ignition device; the feed hopper is obliquely arranged above the combustion bin and is communicated with the combustion bin; the auger is arranged in a connecting channel between the feed hopper and the combustion bin, and biomass fuel is supplied to the combustion bin through rotation of the motor; the partition board is arranged in the combustion bin to divide a part of space of the combustion bin into an upper layer and a lower layer, a connecting channel between the feed hopper and the combustion bin is arranged above the partition board, and an air outlet of the air blower is arranged above the partition board; the ignition device is arranged below the partition plate and used for igniting biomass fuel; the combustion bin is communicated with the combustion heating bin, and the air blower blows flame and the combusted biomass fuel into the combustion heating bin; the water inlet pipe is respectively communicated with the electric steam auxiliary water tank and the combustion generation auxiliary water tank, the water inlet pipe comprises a water inlet main pipe, a water inlet tee joint and two water inlet manifold pipes, the water inlet main pipe is communicated with the two water inlet manifold pipes through the water inlet tee joint, and the two water inlet manifold pipes are respectively provided with one electromagnetic valve for controlling water inlet of the electric steam generator and the combustion steam generator; the air outlet pipe comprises an air outlet main pipe, an air outlet tee joint and two air outlet manifold pipes, the air outlet main pipe is communicated with the two air outlet manifold pipes through the air outlet tee joint, the two air outlet manifold pipes are respectively communicated with the electric steam pocket and the combustion generating steam pocket, and the two air outlet manifold pipes are respectively provided with a solenoid valve for opening or closing a pipeline of the air outlet manifold pipes; the controller controls the four electromagnetic valves, the heating resistor and the fan to work through signals fed back by the operation button, the electric steam liquid level meter or the combustion generation liquid level meter; the electromagnetic valves on the two water inlet manifolds and the two air outlet manifolds are respectively interlocked, and the on-off switch of the circuit of the electromagnetic valve and the heating resistor is arranged on the air supply pipeline of the gas combustion device to ensure that only one of the electric steam generator and the combustion steam generator works; the heating box, the gas combustion device, the electric steam generator, the four electromagnetic valves and the controller are installed in the cabinet body, the water inlet pipe and the air outlet pipe are partially installed in the cabinet body, and the inlet end of the water inlet pipe, the outlet end of the air outlet pipe and the air outlet end of the fan extend out of the cabinet body.
The invention has the following beneficial effects:
according to the invention, the electric steam generator and the combustion steam generator are arranged to generate steam by using different energy sources, and the controller is further arranged to control whether the electric steam generator and the combustion steam generator are supplied with water and discharged steam or not by controlling the electromagnetic valve, so that different energy sources can be freely selected to supply steam, the requirements of more places can be met, wider use population is covered, and meanwhile, the electric steam generator and the combustion steam generator can not work simultaneously by arranging the interlocking electromagnetic valve, so that more loss is avoided.
Drawings
Fig. 1 is a perspective view of a preferred embodiment of the present invention.
Fig. 2 is a perspective view of a preferred embodiment of the present invention with the cabinet 6 removed.
Fig. 3 is a top view of the cabinet 6 according to a preferred embodiment of the present invention.
Fig. 4 is a cross-sectional view of the combustion steam generator (direction of fig. 3 A-A).
Fig. 5 is a sectional view (in the direction of fig. 4B-B) of the electric steam generator.
Description of the main reference signs
Electric steam generator 1 Electric heating bin 11 Heating resistor 12
Main tank 13 for electric steam Auxiliary water tank 14 for electric steam Electric steam pocket 15
Electric backwater tee 151 Electric steam return pipe 16 Combustion steam generator 2
Heating cabinet 21 Combustion heating chamber 211 Main water tank 212 for combustion
Auxiliary water tank 213 for combustion Combustion-generating heating tube 214 Coiled tube 2141
Combustion generating steam pocket 215 Gas backwater tee 2151 Combustion occurring return pipe 216
Blower 217 Gas collecting portion 218 Gas combustion device 22
Biomass combustion device 23 Feed hopper 231 Combustion bin 232
Auger 233 Motor 234 Baffle 235
Blower 236 Ignition device 237 Water inlet pipe 3
Intake manifold 31 Tee 32 for water inlet Intake manifold 33
Air outlet pipe 4 Air outlet header 41 Three-way valve 42
Outlet manifold 43 Solenoid valve 5 Cabinet body 6
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
The following examples will assist those skilled in the art in a more complete understanding of the invention, but are not intended to limit the invention in any way.
Referring to fig. 1-3, in a preferred embodiment of the present invention, an electric, gas and biomass three-purpose steam engine is provided, which comprises an electric steam generator 1, a combustion steam generator 2, a water inlet pipe 3, a gas outlet pipe 4, four electromagnetic valves 5, a controller and a cabinet 6;
referring to fig. 4 in combination, the electric steam generator 1 includes an electric heating chamber 11, a heating resistor 12, an electric steam main water tank 13, an electric steam auxiliary water tank 14, an electric steam level gauge, an electric steam bag 15 and an electric steam return pipe 16. The heating resistor 12 is arranged in the electric heating bin 11, and the electric steam main water tank 13 is arranged above the electric heating bin 11. The electric steam auxiliary water tank 14 is arranged on the side face of the electric steam main water tank 13, and the top face of the electric steam auxiliary water tank 14 is not higher than the top face of the electric steam main water tank 13. The electric steam level gauge is arranged on the electric steam auxiliary water tank 14 and is used for detecting the water level of the electric steam generator 1. The electric steam bag 15 is arranged above the electric steam main water tank 13, and the electric steam main water tank 13 is respectively communicated with the electric heating bin 11, the electric steam auxiliary water tank 14 and the electric steam bag 15. The electric steam auxiliary water tank 14 is communicated with the electric steam bag 15 through the electric steam return pipe 16.
The combustion steam generator 2 comprises a heating box 21, a gas combustion device 22 and a biomass combustion device 23.
The heating box 21 comprises a combustion heating bin 211, a combustion generation main water tank 212, a combustion generation auxiliary water tank 213, a combustion generation liquid level meter, a combustion generation heating pipe 214, a combustion generation steam drum 215, a combustion generation return pipe 216 and a fan 217. The gas combustion device 22 is disposed in a combustion heating chamber 211 below the combustion generation main water tank 212, and heats the combustion generation main water tank 212 and the combustion generation heating pipe 214 by burning gas to generate flame. The combustion occurrence sub water tank 213 is provided at a side of the combustion occurrence main water tank 212, and a top surface of the combustion occurrence sub water tank 213 is not higher than a top surface of the combustion occurrence main water tank 212. The combustion occurrence level gauge is provided on the combustion occurrence sub-tank 213 for detecting the water level of the heating tank 21. The combustion generating heating pipe 214 passes through the combustion generating main water tank 212 and communicates with the blower 217, and the blower 217 draws off the exhaust gas of the combustion gas in the combustion generating heating pipe 214. The combustion steam pocket 215 is arranged above the combustion main water tank 212, the combustion main water tank 212 is respectively communicated with the combustion steam pocket 215 and the combustion auxiliary water tank 213, and the combustion steam pocket 215 is communicated with the combustion auxiliary water tank 213 through the combustion return pipe 216.
The biomass combustion device 23 comprises a feed hopper 231, a combustion bin 232, an auger 233, a motor 234, a baffle 235, a blower 236 and an ignition device 237. The feed hopper 231 is obliquely disposed above the combustion chamber 232 and communicates with the combustion chamber 232. The packing auger 233 is disposed in a connection passage between the feed hopper 231 and the combustion chamber 232, and supplies biomass fuel to the combustion chamber 232 by rotation of the motor 234. The partition plate 235 is disposed in the combustion chamber 232 to divide a part of space of the combustion chamber 232 into an upper layer and a lower layer, the connection channel between the feed hopper 231 and the combustion chamber 232 is disposed above the partition plate 235, and the air outlet of the air blower 236 is disposed above the partition plate 235. The ignition device 237 is disposed below the partition 235 for igniting the biomass fuel. The combustion chamber 232 communicates with the combustion heating chamber 211, and the blower 236 blows flame and burned biomass fuel into the combustion heating chamber 211.
The water inlet pipe 3 is respectively communicated with the electric steam auxiliary water tank 14 and the combustion generation auxiliary water tank 213, the water inlet pipe 3 comprises a water inlet main pipe 31, a water inlet tee joint 32 and two water inlet manifold 33, the water inlet main pipe 31 is communicated with the two water inlet manifold 33 through the water inlet tee joint 32, and the two water inlet manifold 33 is respectively provided with one electromagnetic valve 5 for controlling water inlet of the electric steam generator 1 and the combustion steam generator 2.
The air outlet pipe 4 comprises an air outlet main pipe 41, an air outlet tee 42 and two air outlet manifold 43, the air outlet main pipe 41 is communicated with the two air outlet manifold 43 through the air outlet tee, the two air outlet manifold 43 is respectively communicated with the electric steam pocket 15 and the combustion generating steam pocket 215, and the two air outlet manifold 43 is respectively provided with a solenoid valve 5 for opening or closing a pipeline of the air outlet manifold 43.
The controller controls the four solenoid valves 5, the heating resistor 12, the gas combustion device 22, the fan 217, the motor 234, the blower 236 and the ignition device 237 to work through signals fed back by an operation button, the electric vapor level gauge or the combustion occurrence level gauge. Preferably, the electromagnetic valves 5 on the two water inlet manifolds 33 and the two air outlet manifolds 43 are respectively interlocked, and the on-off switch of the circuit of the electromagnetic valve 5 and the heating resistor 12 is arranged on the air supply pipeline of the gas combustion device 22 to be interlocked, so that only one of the electric steam generator 1 and the combustion steam generator 2 works; the electric steam generator 1 and the combustion steam generator 2 are not operated simultaneously, so that the steam of one generator is prevented from flowing back into the other generator due to the difference of steam pressure of the two air outlet manifolds 43, and the energy loss is prevented from being increased.
The heating box 21, the gas combustion device 22, the electric steam generator, the four electromagnetic valves 5 and the controller are installed in the cabinet body, the water inlet pipe and the air outlet pipe are partially installed in the cabinet body 6, and the inlet end of the water inlet pipe 3, the outlet end of the air outlet pipe 4 and the air outlet end of the fan 217 extend out of the cabinet body 6.
Preferably, the combustion-generating heating pipe 214 includes a plurality of serpentine pipes 2141, and both ends of the plurality of serpentine pipes 2141 are respectively connected to the top and bottom surfaces of the combustion-generating main tank 212.
The heating box 21 further includes a gas collecting portion 218; the air collecting part 218 is hollow, the bottom is communicated with one end of a plurality of coiled pipes 2141 positioned on the top surface of the main combustion generating water tank 212, and the side wall is communicated with the fan 217.
The combustion steam drum 215 shares a side wall with the gas collecting section 218, and the blower 217 is disposed on the other side wall opposite to the combustion steam drum 215.
An electric backwater tee joint 151 is arranged at the top of the electric steam drum 15, and the electric backwater tee joint 151 is respectively communicated with the electric steam drum 15, the electric steam backwater pipe 16 and an air outlet manifold 43; the top side of the combustion steam drum 215 is provided with a gas return tee 2151, and the gas return tee 2151 is respectively communicated with the combustion steam drum 215, the gas steam return pipe 216 and another gas outlet manifold 43.
The part of the combustion chamber 232, which is communicated with the combustion heating chamber 211, and the blower 236 are positioned on two opposite sides of the combustion chamber 232, and in horizontal projection, the air outlet of the blower 236 faces to the part of the combustion chamber 232, which is communicated with the combustion heating chamber 211, so that biomass fuel and flame can be blown into the heating chamber 211 better, and the flame is prevented from spreading to the feed hopper 231; the horizontal projection of the side of the combustion bin 232 communicated with the combustion heating bin 211 is in a necking shape, the necking is changed from large to small in the direction that the air blower 236 points to the communication part of the combustion bin 211 and the combustion heating bin 211, and the phenomenon that biomass fuel is blocked at the two sides of the inlet of the communication part of the combustion bin 232 and the heating bin 211 is avoided.
The combustion generating heating pipe 214 includes a plurality of serpentine pipes 2141, and both ends of the plurality of serpentine pipes 2141 are respectively communicated with the top and bottom surfaces of the combustion generating main water tank 212; the contact area between the heating pipe 214 and the water in the main water tank 212 can be increased, and the travel of the heat in the main water tank 212 can be increased, so that the water can absorb the heat better;
the heating box 21 further includes a gas collecting portion 218; the gas collecting part 218 is hollow, the bottom is communicated with one end of a plurality of coiled pipes 2141 positioned on the top surface of the combustion occurrence main water tank 212, and the side wall is communicated with the fan 217; the combustion generating steam drum 215 and the gas collecting part 218 share a side wall, and the fan 217 is arranged on the other side wall opposite to the combustion generating steam drum 215, so that the water-gas mixture of the steam drum 215 can be influenced by the waste heat in the gas collecting part 218, the heat efficiency is further increased, and meanwhile, the fan 217 is arranged on the opposite side of the steam drum 215, so that the space can be better saved, and the volume of equipment is reduced.
The combustion bin 32 is communicated with the heating bin 11 through the rectangular connecting pipe 7, so that biomass fuel can be better conveyed.
The extending direction of the gas combustion device 22 in the horizontal direction is perpendicular to the extending direction of the rectangular connecting pipe 7, and the flame generated by the biomass fuel encounters the gas combustion device 7 and is guided upwards, so that more flame flows to the heating pipe 214, and the combustion efficiency of the biomass fuel is increased.
The side walls of the combustion heating bin 211 and the combustion bin 232 are provided with ash removal doors for removing ash after combustion.
The gas combustion device 22 is provided with a gas inlet, an air inlet and a solenoid valve for controlling the opening and closing of the gas inlet and the air inlet. When the gas combustion device 22 is used for heating, the gas inlet is opened to charge natural gas and the natural gas is ignited for heating, and when the oxygen amount supplied by the blower 236 is insufficient, the electromagnetic valve of the air inlet can be opened to increase the oxygen supply amount, so that insufficient combustion and energy waste are avoided
When electric energy is used for producing steam, a water inlet manifold 33 communicated with the electric steam auxiliary water tank 14 and an electromagnetic valve 5 on an air outlet manifold 43 communicated with the electric steam bag 15 are opened, water is added into the electric steam auxiliary water tank 14, the electric steam main water tank 13 and the electric heating bin 11, water inlet is stopped when the liquid level reaches the upper part of the electric steam auxiliary water tank 14, the heating resistor 12 is electrified to heat the water in the electric heating bin 11, the water is heated to become steam, the steam enters the electric steam bag 15 through the electric steam main water tank 13, and then enters the air outlet manifold 4141 through the air outlet manifold 43 communicated with the electric steam bag 15; the steam will drive the water level to rise during the production process and rising, and the water returns to the auxiliary electric steam tank 14 through the electric steam return pipe 16, and then reenters the electric heating bin 11 for heating.
When the gas is used for producing steam, the electromagnetic valves 5 on the water inlet manifold 33 communicated with the gas generation auxiliary water tank 213 and the air outlet manifold 43 communicated with the combustion generation steam packet 215 are opened, water is added into the combustion generation auxiliary water tank 213 and the combustion generation main water tank 212, when the liquid level reaches the upper part of the combustion generation auxiliary water tank 213, water is stopped to enter, the gas combustion device 22 ignites, the bottom of the combustion generation main water tank 212 is heated by the combustion gas, the water of the combustion generation main water tank 212 is heated by the combustion generation heating pipe 214, the water is heated to become steam, and then the steam enters the combustion generation steam packet 215 through the air outlet manifold 43 communicated with the combustion generation steam packet 215 and enters the air outlet manifold 41; the steam will raise the water level during the production and rising, and the water will return to the auxiliary fuel gas generating tank 213 through the return water pipe 216, and then re-enter the main fuel gas generating tank 212 for heating.
When biomass fuel is used as energy, the electromagnetic valve 5 on the water inlet manifold 33 communicated with the fuel gas generation auxiliary water tank 213 and the air outlet manifold 43 communicated with the combustion generation steam packet 215 is opened, water is added to the combustion generation auxiliary water tank 213 and the combustion generation main water tank 212, the motor 234 is controlled to rotate so as to drive the auger 233, the biomass fuel in the feed hopper 231 is conveyed onto the partition 235, the air blower 236 blows air into the combustion bin 232 and pushes the biomass fuel to fall from the partition 235, the ignition device 237 ignites the biomass fuel by spraying and igniting the gas fuel or the fuel to generate flame, the ignition time is controlled by the time relay in the ignition device 237, and the air supply or the oil supply pipeline of the ignition device 237 is automatically disconnected after the flame lasts for a period of time; flame propagates in the direction of the heating bin 11 and is prevented from entering the feed hopper 231 due to the influence of the partition 235 and the blower 236; the flame enters the heating bin and then flows upwards by the gas combustion device 2 to enter the heating pipe 14, the heating pipe 14 and the bottom of the main water tank 12 are heated, water in the main water tank 12 is heated, the water in the main water tank 12 enters the steam bag 15 and then enters the air outlet pipe 5 after being heated into steam, hot water rising along with the steam flows into the auxiliary water tank 13 through the water return pipe 16, and then enters the main water tank 12 from the auxiliary water tank 13; the blower 236 draws out the burned off-gas, reduces the negative pressure of the combustion gas in the heating pipe 14, and increases the thermal efficiency.
According to the invention, the electric steam generator 1 and the combustion steam generator 2 are arranged to generate steam by using different energy sources, and the controller is also arranged to control whether the electric steam generator and the combustion steam generator are fed with water or discharged with steam by controlling the electromagnetic valve, so that the steam can be supplied by different energy sources freely, the requirements of more places can be met, and the wider use population can be covered.

Claims (7)

1. Electric, gas, living beings three-purpose steam engine, its characterized in that: the electric, gas and biomass three-purpose steam engine comprises an electric steam generator, a combustion steam generator, a water inlet pipe, an air outlet pipe, four electromagnetic valves, a controller and a cabinet body;
the electric steam generator comprises an electric heating bin, a heating resistor, an electric steam main water tank, an electric steam auxiliary water tank, an electric steam liquid level meter, an electric steam bag and an electric steam return pipe; the heating resistor is arranged in the electric heating bin, and the electric steam main water tank is arranged above the electric heating bin; the electric steam auxiliary water tank is arranged on the side face of the electric steam main water tank, and the top face of the electric steam auxiliary water tank is not higher than the top face of the electric steam main water tank; the electric steam liquid level meter is arranged on the electric steam auxiliary water tank and is used for detecting the water level of the electric steam generator; the electric steam bag is arranged above the electric steam main water tank, and the electric steam main water tank is respectively communicated with the electric heating bin, the electric steam auxiliary water tank and the electric steam bag; the electric steam auxiliary water tank is communicated with the electric steam bag through the electric steam return pipe;
the combustion steam generator comprises a heating box, a gas combustion device and a biomass combustion device;
the heating box comprises a combustion heating bin, a combustion generation main water tank, a combustion generation auxiliary water tank, a combustion generation liquid level meter, a combustion generation heating pipe, a combustion generation steam drum, a combustion generation return pipe and a fan; the gas combustion device is arranged in a combustion heating bin below the combustion generation main water tank, and the combustion generation main water tank and the combustion generation heating pipe are heated by burning gas to generate flame; the auxiliary combustion water tank is arranged on the side face of the main combustion water tank, and the top face of the auxiliary combustion water tank is not higher than the top face of the main combustion water tank; the combustion generation liquid level meter is arranged on the combustion generation auxiliary water tank and is used for detecting the water level of the heating tank; the combustion generating heating pipe penetrates through the combustion generating main water tank and is communicated with the fan, and the fan pumps out tail gas of combustion gas in the combustion generating heating pipe; the combustion generating steam packet is arranged above the combustion generating main water tank, the combustion generating main water tank is respectively communicated with the combustion generating steam packet and the combustion generating auxiliary water tank, and the combustion generating steam packet is communicated with the combustion generating auxiliary water tank through the combustion generating return pipe;
the biomass combustion device comprises a feed hopper, a combustion bin, a packing auger, a motor, a partition plate, a blower and an ignition device; the feed hopper is obliquely arranged above the combustion bin and is communicated with the combustion bin; the auger is arranged in a connecting channel between the feed hopper and the combustion bin, and biomass fuel is supplied to the combustion bin through rotation of the motor; the partition board is arranged in the combustion bin to divide a part of space of the combustion bin into an upper layer and a lower layer, a connecting channel between the feed hopper and the combustion bin is arranged above the partition board, and an air outlet of the air blower is arranged above the partition board; the ignition device is arranged below the partition plate and used for igniting biomass fuel; the combustion bin is communicated with the combustion heating bin, and the air blower blows flame and the combusted biomass fuel into the combustion heating bin;
the water inlet pipe is respectively communicated with the electric steam auxiliary water tank and the combustion generation auxiliary water tank, the water inlet pipe comprises a water inlet main pipe, a water inlet tee joint and two water inlet manifold pipes, the water inlet main pipe is communicated with the two water inlet manifold pipes through the water inlet tee joint, and the two water inlet manifold pipes are respectively provided with one electromagnetic valve for controlling water inlet of the electric steam generator and the combustion steam generator;
the air outlet pipe comprises an air outlet main pipe, an air outlet tee joint and two air outlet manifold pipes, the air outlet main pipe is communicated with the two air outlet manifold pipes through the air outlet tee joint, the two air outlet manifold pipes are respectively communicated with the electric steam pocket and the combustion generating steam pocket, and the two air outlet manifold pipes are respectively provided with a solenoid valve for opening or closing a pipeline of the air outlet manifold pipes;
the controller controls the four electromagnetic valves, the heating resistor, the gas combustion device, the fan, the motor, the blower and the ignition device to work through signals fed back by the operation button, the electric steam liquid level meter or the combustion generation liquid level meter; the electromagnetic valves on the two water inlet manifolds and the two air outlet manifolds are respectively interlocked, and the on-off switch of the circuit of the electromagnetic valve and the heating resistor is arranged on the air supply pipeline of the gas combustion device to ensure that only one of the electric steam generator and the combustion steam generator works;
the heating box, the gas combustion device, the electric steam generator, the four electromagnetic valves and the controller are installed in the cabinet body, the water inlet pipe and the air outlet pipe are partially installed in the cabinet body, and the inlet end of the water inlet pipe, the outlet end of the air outlet pipe and the air outlet end of the fan extend out of the cabinet body.
2. The electric, gas, biomass three-purpose steamer of claim 1, wherein: the combustion generating heating pipe comprises a plurality of coiled pipes, and two ends of the coiled pipes are respectively communicated with the top surface and the bottom surface of the combustion generating main water tank.
3. The electric, gas, biomass three-purpose steamer of claim 2, characterized in that: the heating box further comprises a gas collecting part; the gas collecting part is hollow, the bottom of the gas collecting part is communicated with one end of the top surface of the main combustion generating water tank, which is positioned at a plurality of coiled pipes, and the side wall of the gas collecting part is communicated with the fan.
4. An electric, gas, biomass three-purpose steamer as claimed in claim 3, characterized in that: the combustion steam drum and the gas collecting part share one side wall, and the fan is arranged on the other side wall opposite to the combustion steam drum.
5. The electric, gas, biomass three-purpose steamer of claim 1, wherein: an electric backwater tee joint is arranged at the top of the electric steam bag and is respectively communicated with the electric steam bag, the electric steam backwater pipe and an air outlet manifold; the side of the top of the combustion generating steam pocket is provided with a gas backwater tee joint, and the gas backwater tee joint is respectively communicated with the combustion generating steam pocket, the gas generating backwater pipe and another gas outlet manifold.
6. The electric, gas, biomass three-purpose steamer of claim 1, wherein: the part of the combustion bin, which is communicated with the combustion heating bin, and the air blower are positioned at two opposite sides of the combustion bin, and the air outlet of the air blower faces to the part of the combustion bin, which is communicated with the combustion heating bin, in horizontal projection; the horizontal projection of one side of combustion bin with combustion heating bin intercommunication is the throat form, and the throat is in the air-blower is directional combustion bin with the direction of combustion heating bin intercommunication position is by big grow.
7. An electric, gas, biomass three-purpose steamer as claimed in claim 3, characterized in that: the side wall of the combustion heating bin is provided with an ash removal door for removing ash after combustion.
CN201710639107.4A 2017-07-31 2017-07-31 Three-purpose steam engine for electricity, gas and biomass Active CN107514622B (en)

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Application Number Priority Date Filing Date Title
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CN107514622A CN107514622A (en) 2017-12-26
CN107514622B true CN107514622B (en) 2023-06-27

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