CN110630996A

CN110630996A - Water immersion type biomass fuel steam pressure boiler

Info

Publication number: CN110630996A
Application number: CN201910448425.1A
Authority: CN
Inventors: 秦月云
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2019-12-31

Abstract

The invention discloses a water immersion type biomass fuel steam pressure boiler, which consists of a boiler accessory device, a boiler main body device, a hearth air supply device, a hearth door cover device, a secondary flame conversion device, a biomass spiral conveying air supply device and an instrument control device.

Description

Water immersion type biomass fuel steam pressure boiler

Technical Field

The invention relates to chemical industry, public institutions, power generation, large and medium-sized city industry manufacturing, hospitals, schools, medicine industry and cold areas for heating and living gas, in particular to biomass fuel vapor pressure boiler mechanical equipment.

Performing background branch operation;

the invention relates to a method for improving the combustion efficiency of a boiler, which is characterized in that the boiler is mainly characterized in that sawdust, biomass fuel and agricultural straws are used as fuel, the invention aims to overcome the defects of the prior art, the existing biomass fuel steam boiler is modified by a coal boiler, the combustion principle and the appearance are greatly different, the existing biomass fuel steam boiler is modified by an old coal-fired K-type chain grate boiler, and the combustion mode is fundamentally different, left and right furnace liners of an old-fashioned boiler are connected with an upper furnace liner through bent pipes to form an A shape, a hearth is driven by chains to form a grate, the grate used by the boiler sinks under heat capacity to influence the continuous use of equipment, the boiler has a simple structure, the air leakage condition of a boiler wall is serious, the heat productivity of the hearth is not matched with the heat absorption capacity of a heating surface, so that the heat loss of exhaust smoke is large, water circularly flows in the pipe to generate steam, the pipe wall is heated unevenly, the chains of the boiler run in the hearth while being heated at high temperature, the chains are water-cooled, the chains are easy to break, a feeding steel rope runs repeatedly and breaks frequently, biofuel is discharged after being burnt to the greatest extent, the production cost is increased, the manual feeding operation is inconvenient, the labor intensity of workers is large, the operation environment is poor, the pollution of smoke dust is serious, the operation cylinder of the water immersion.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a water-immersed biomass fuel steam pressure boiler to solve the defects and shortcomings of the prior equipment.

The invention adopts the technical scheme that; the system comprises a water immersion type biomass fuel steam pressure boiler 1, a boiler accessory device 2, a boiler main body device 3, a boiler air supply device 4, a hearth door cover device 5, a primary and secondary fire tube flame conversion device 6, a biological material spiral conveying air supply device 7 and an instrument control device.

The boiler accessory device comprises a primary fire tube, a secondary fire tube, a safety valve, a steam outlet, a steam gate valve, a heat-insulating layer, a heat-insulating outer layer, a liquid level meter water inlet valve, a liquid level meter drain valve, a thermometer water inlet valve, a thermometer drain valve, a drain pipe, a right multi-section water pump inlet pipe, a water pump outlet pipe, a water outlet pipe gate valve, a boiler inlet pipe, a check valve, a left water pump inlet pipe, a left multi-section pump, a water pump outlet pipe, a water pump gate valve, a check valve, an inlet pipe, a boiler drain pipe gate valve, a boiler drain pipe, a wind feeding pipe flange, a feeding swirler inlet, a valve, a pressure meter, a flow transmitter, a flow rate changer, a valve, a liquid level meter, a valve, the secondary fire tube is arranged on a disc chuck of a rear end socket B of the boiler and is connected with an outer ring disc chuck of a front end socket A of the boiler through a wall pipe, the high temperature of a hearth is transmitted into soaking water from the heat energy of the flame of the primary fire tube through the pipe wall, the secondary fire tube converts the heat energy of the hearth into the secondary fire tube through a secondary fire tube conversion device, the process increases the combustion distance, the heat energy is transmitted into the water fully and continuously heated to generate steam, a safety valve is connected with a safety valve seat and welded on a cylinder body of a main device of the boiler, the safe operation of the boiler is ensured by two sets of safety devices, a steam outlet is connected with a gas-water separator, a gate valve is connected at the lower part, the gate valve seat is welded on the cylinder body of the main device of the boiler, the whole boiler is insulated by heat, the boiler water supply device comprises a left multi-section pump gate valve, a right multi-section pump gate valve, a check valve, a left multi-section pump water inlet device, a right multi-section pump water inlet device, a left multi-section pump water inlet device and a right multi-section pump water inlet device, a standby boiler water supply device, a water level meter, a thermometer, a pressure gauge.

The boiler main body device comprises a boiler front end enclosure, a boiler barrel, a biomass fuel blanking pipe, a swirler connecting flange, a steam valve seat, a flange, a safety valve seat, a boiler rear end enclosure, an aisle ring, a primary pipe flower disc, a channel ring, a hearth rear end enclosure, a hearth barrel, a hearth reinforcing ring, a hearth front end enclosure, a front manhole ring, a flange, a hearth air inlet square flange, a hearth air inlet pipe, a boiler grate, a boiler front foot, a boiler rear foot, a rear manhole ring, a flange, a boiler flue, a flue square-circle joint, a flange and an observation hole, wherein the boiler main body is composed of the boiler front end enclosure, the boiler barrel and the boiler rear end enclosure which are welded into a boiler body, the aisle enclosure, the aisle ring, the primary pipe flower disc, the channel ring, the hearth rear end enclosure, the hearth barrel, the reinforcing ring, the hearth front end enclosure, the front manhole ring, the flange and the boiler air inlet square flange, the furnace air inlet pipe, the boiler grate and the rear manhole ring are welded into a heating chamber, an outer ring flower disc of a rear sealing cover of the boiler is connected with a boiler flue and a square-round joint, the flange is connected with a dust remover, and the front and rear legs of the boiler support the boiler.

The boiler air supply device comprises a motor, a motor frame, a coupler, a blower, a fan outlet flange, an air door adjusting handle, an air supply square tube and a hearth square flange, wherein the air supply device is installed on the motor frame through the motor, a motor shaft is connected with the coupler and the fan coupler to be connected with the fan, the flange is connected with the air supply square tube to be connected with the hearth square flange, the blower supplies air to the hearth, and the size of the air is controlled by the air door adjusting handle to control the air supply positioning of the air.

The hearth door cover device comprises a locking hand wheel, an adjusting hand wheel, a bolt, a door cover back support, an upper door cover support, a lower door cover support, an observation cover seat, a hearth door cover, a hearth cover flange, a hearth cover seat, a hearth cover device, wherein the door cover back support is tightly attached to the hearth door cover through the locking hand wheel, the tightness of the door cover is controlled by the adjusting hand wheel, the door cover back support is locked by the upper door cover support and the lower door cover support, the lower end of the door cover is connected to the hearth door cover seat, and the hearth door cover seat is welded to a boiler sealing head.

The secondary fire tube flame conversion device comprises an upper cover support, an upper back support, a bolt, a lower insert , a lower back support, a lower support, a conversion door cover, a door cover seat flange and a bolt.

The air feeding device for the biomass natural material spiral conveying comprises a biomass natural material, a storage bin switch box, a material control gate, a discharging hopper, a spiral conveying feeding hole, a spiral conveyor, a feeding fan motor, a spiral conveyor variable-frequency speed regulation motor, a feeding fan, a fan flange, a fan regulator, a fan handle, a spiral conveying discharging pipe, a discharging hole flange, a feeding pipe interface, a feeding pipe, a biological natural material spiral conveying air feeding device storage bin, a storage bin switch box, a control gate control quantity, a material enters the feeding hole of the spiral conveyor through the discharging hopper, the spiral conveyor sends the material to the spiral discharging pipe, the material enters the feeding pipe interface and is blown to the feeding pipe by the feeding fan, the material is screwed into a boiler combustion chamber through a cyclone, and the feeding quantity is controlled by the material control gate according to the combustion condition.

The instrument control device is composed of a control cabinet including an ammeter, a voltmeter, a boiler left pump, a boiler right pump, a hearth blower motor, a screw conveyor variable frequency motor, a feeding blower, a boiler air supply motor, a boiler air.

The invention has the advantages that;

1, the existing biofuel boiler is modified by an old-fashioned grate coal-fired boiler, the combustion mode is fundamentally different, the left boiler liner and the right boiler liner of the old-fashioned boiler are connected with an upper liner by a boiler tube bending formation to form an A shape, refractory bricks are used for surrounding the boiler, a Leishui is formed by the surrounding of the boiler, and the chain grate in the boiler runs biomass combustible fuel in a hearth, so that the biomass combustible fuel is combusted on the grate, the biomass combustible fuel is subjected to high temperature while water cooling, and the chain is easy to break.

2, the biomass fuel in the old biomass boiler furnace is in a particle shape, the biomass fuel is combusted and heated on the fire grate, water flows from the furnace tube to generate steam, the furnace tube is not heated, a large amount of fuel is not burnt out, calcium in the furnace tube is difficult to clean, the labor intensity of workers is high, and the operation environment is poor.

3, a water-immersed biomass steam pressure boiler uses biomass fuel; the wood chips, sawdust, peanut shells, straws, crop stalks and biomass fuel are widely available and inexhaustible renewable energy sources, and effective circulation of the straws, the fuel and the fertilizer is realized.

4, the water logging formula biomass fuel steam pressure boiler integration is full-automatic, and compact structure is pleasing to the eye thermal insulation material is novel, and the skin is packed with stainless steel, and the operation section of thick bamboo is simple, and intensity of labour is little, and the producers are few, and production efficiency is high.

5, the water immersion type biomass fuel steam pressure boiler has obvious environmental protection benefit, the biomass energy fuel can be regenerated, the sustainable utilization of energy is realized, and the boiler taking coal as fuel is replaced, and the emission of oxides and sulfur dioxide in smoke dust meets the environmental protection requirement.

6, enough combustion space is provided when the boiler main body deviates from the center, biomass fuel is fed by wind from the middle part of the hearth for supplying oxygen, and air blowing is used for supplying oxygen fuel to the bottom of the hearth for sufficient coordination, the biomass fuel rotates in the hearth for boiling combustion, the water temperature is 212 degrees Fahrenheit, the gas generation is 8000 kg/h, and the steam pressure is 10 kg.

7, water logging formula biomass fuel steam pressure boiler, safe dual fail-safe, pressure protection sets for pressure automatic shutdown protection, the water level is automatic to be watered, the boiler is less than the automatic outage of warning water level and reports to the police, boiler operating pressure surpasss the automatic exhaust step-down and ensures the safe operation of boiler, swirler feed combustion gets into the rear heating chamber through preceding heating chamber, biomass fuel has abundant oxygen suppliment boiling combustion flame and gets into primary fire tube, turn to secondary fire tube flame and burn through three return strokes and increased the burning distance, heat energy fully obtains the burning and falls the end running cost.

Description of the drawings:

FIG. 1 is a schematic view; the water immersion type biomass fuel steam pressure boiler has a schematic structure.

FIG. 2 is a schematic view; the structure of the boiler accessory device comprises a primary fire tube 1, a secondary fire tube 2, a safety valve 3, a safety valve 4, a steam outlet 5, a steam gate valve 6, a heat-insulating layer 7, a heat-insulating outer layer 8, a level gauge water inlet valve 9, a level gauge 10, a level gauge water outlet valve 11, a thermometer water inlet valve 12, a thermometer 13, a thermometer water outlet valve 14, a thermometer water inlet valve 15, a thermometer 16, a thermometer water outlet valve 17, a water outlet pipe 18, a right multi-section pump 19, a water pump water inlet pipe 20, a water pump water outlet pipe 21, a water outlet pipe gate valve 22, a boiler water inlet pipe 23, a return stop valve 24, a left multi-section pump water inlet pipe 25, a left multi-section water pump 26, a water pump water outlet pipe 27, a water pump gate valve 28, a return stop valve 29, a water inlet pipe 30, a boiler water discharge pipe gate, a flow transmitter 39, a valve 40, a liquid level meter 41, a valve 42 and a gate valve 43.

FIG. 3 is a schematic view; the boiler main body device structurally comprises a boiler front seal head 1, a boiler barrel 2, a mass material discharging pipe 3, a cyclone connecting flange 4, a steam valve seat 5, a flange 6, a safety valve seat 7, a flange 8, a flange 9, a safety valve seat 10, a boiler rear seal head 11, a passage seal cover 12, a passage ring 13, a primary tube flower disc 14, a passage ring 15, a hearth rear seal cover 16, a hearth barrel 17, a hearth reinforcing ring 18, a hearth front seal cover 19, a front manhole ring 20, a flange 21, a hearth air inlet square flange 22, a hearth air inlet pipe 23, a boiler grate 24, a boiler mansion foot 25, a boiler rear foot 26, a rear manhole ring 27, a flange 28, a boiler flue 29, a flue square and circular joint 30, a flange 31 and an observation hole 32.

FIG. 4 is a schematic view; the boiler air supply device structurally comprises a motor 1, a motor frame 2, a coupler 3, an air blower 4, a fan outlet flange 5, a fan adjusting handle 6, an air door 7, an air supply square pipe 8 and a hearth square flange 9.

FIG. 5 is a schematic view; the hearth door cover device structure comprises a locking hand wheel 1, an adjusting hand wheel 2, a mortise lock 3, a door cover back support 4, a door cover support 5, an observation hole 6, an observation seat 7, a furnace hearth door cover 8, a furnace hearth cover flange 9, a furnace hearth cover seat 10 and a flange 11.

FIG. 6 is a schematic view; the structure of the flame conversion device of the primary and secondary fire tubes comprises an upper cover bracket 1, an upper back 2, a bolt 3, a lower bolt 4, a lower back 5, a lower bracket 6, a conversion door cover 7, a door cover seat 8, a door cover seat flange 9 and a bolt 10.

FIG. 7 is a schematic view; the structure of the spiral biological material conveying air conveying device comprises a biological material 1, a storage bin 2, a storage bin switch box 3, a material control gate 4, a discharging hopper 5, a spiral conveying feed inlet 6, a spiral conveyor 7, a fan motor 8, a helix conveying variable-frequency speed-regulating motor 9, a feeding fan 10, a fan flange 11, a fan regulator 12, a fan handle 13, a spiral conveying discharging pipe 14, a discharging port flange 15, a conveying support pipe connector 16 and a feeding pipe 17.

The instrument control device structurally comprises a control cabinet 1, an ammeter 2, a voltmeter 3, a left pump switch, a right pump switch, a switch 4, a variable frequency motor switch of a screw conveyor, a switch 5, a feeding blower switch, a switch 6, a boiler air supply motor switch, a switch 7, a pressure gauge 8, a flow transmitter 9, a thermometer thermocouple 10, a liquid level meter 11 and automatic control devices of all instruments.

Detailed Description

The invention patent is further explained with reference to the accompanying drawings, wherein fig. 1 is a drawing; the structure diagram of the water immersion type biomass fuel steam pressure boiler is shown in figure 2; a boiler accessory device, FIG. 3; a boiler body device, FIG. 4; a hearth air supply device, and figure 5 is; a furnace door cover device, fig. 6 is; a secondary fire tube flame conversion device, FIG. 7; the device comprises a biological material spiral conveying air conveying device and an instrument control device.

FIG. 2 shows a structure of a boiler accessory device including a primary fire tube 1, a secondary fire tube 2, a safety valve 3, a safety valve 4, a steam outlet 5, a steam gate valve 6, a heat insulation layer 7, a heat insulation outer layer 8, a level gauge water inlet valve 9, a level gauge 10, a level gauge water outlet valve 11, a thermometer water inlet valve 12, a thermometer 13, a thermometer water outlet valve 14, a thermometer water inlet valve 15, a thermometer 16, a thermometer water outlet valve 17, a water outlet pipe 18, a right multi-section water pump 19, a water pump water inlet pipe 20, a water pump water outlet pipe 21, a water outlet pipe gate valve 22, a worm gear water inlet pipe 23, a check valve 24, a left water pump water inlet pipe 25, a left multi-section water pump 26, a water pump water outlet pipe 27, a water pump gate valve 28, a check valve 29, a water inlet pipe 30, a boiler water outlet, the flow transmitter 39, the valve 40, the level meter 41, the valve 42, the valve 43, the boiler accessory device 1, the primary fire tube installed on the primary faceplate 14 of the boiler body device, the surface C connected with the front end cover 1 of the boiler, the surface a connected with the annular faceplate account pipe to convert the flame heat energy of the primary fire tube from the flame heat energy of the high-temperature furnace from the primary fire tube into the secondary fire tube by a secondary fire tube conversion device, 2, the secondary fire tube installed on the boiler body device 1, the surface a connected with the faceplate account 11, the rear end faceplate account pipe of the boiler B increases the combustion distance and fully transfers the heat energy into water to heat continuously to generate steam, the safety valve 3, the safety valve 4, the steam outlet 5 connected with a gas-water separator, the lower connected with a steam gate valve 6 connected with the boiler body device barrel 2, the safety valve seat 10, the safety valve seat 7, the steam gate valve seat, the safe operation of the boiler is ensured by two sets of safety devices, the boiler is totally insulated by asbestos 7, the shell is made of 0, 3 stainless steel packages 8, a liquid level meter inlet valve 9, a liquid level meter 10, a liquid level drain valve 11, a thermometer inlet valve 12, a thermometer 13, a thermometer drain valve 14, a thermometer inlet valve 15, a thermometer 16 and a thermometer drain valve 17, the meter inlet valve is used for controlling instruments to take gas from the boiler and provide gas for the instruments to detect, the drain valve is used for discharging water from a water discharging pipe 18 by a column type conversion instrument, the two sets of liquid level meters ensure that the water level of the boiler is automatically supplemented with low normal operating water level, the two sets of the thermometers automatically observe the temperature of the boiler, the right multi-section water pump 19, the water pump inlet pipe 20, the water pump outlet pipe 21, the water outlet pipe gate valve 22, the boiler inlet pipe, the water inlet pipe 30, the left and right multi-section pump two sets supply boiler water inlet equipment to ensure boiler water, the water comes to the soft water treatment back storage water tank, the drain pipe gate valve 31, the boiler water is let off from the drain pipe 32, the wind feeding pipe flange 33, the upper connection feeding swirler 34, the lower connection boiler main body device matter fuel blanking pipe 3, the feeding swirler feed inlet 35, the boiler water supply control valve 36, the supply pressure gauge 37, the flow transmitter 38, the flow transmitter 39 instrument detection, the boiler water supply control valve 40, the supply level gauge 41, the instrument detection, the valve 42, the valve 43, the instrument water valve that is removed or discharged.

The boiler main body device structure comprises a boiler front end enclosure 1, a boiler barrel 2, a matter fuel discharging pipe 3, a swirler connecting flange 4, a steam valve seat 5, a flange 6, a safety valve seat 7, a flange 8, a flange 9, a safety valve seat 10, a boiler rear end enclosure 11, a passage enclosure 12, a passage ring 13, a primary tube flower disc 14, a passage ring 15, a hearth rear end enclosure 16, a hearth barrel 17, a hearth reinforcing ring 18, a hearth front end enclosure 19, a hearth front manhole ring 20, a flange 21, a hearth air inlet square flange, a hearth air inlet pipe 23, a boiler grate 24, a boiler front foot 25, a worm furnace rear foot 26, a rear manhole ring 27, a flange 28, a boiler flue 29, a flue square-circle joint 30, a flange 31, an observation hole 32, a boiler main body, a boiler body formed by the boiler front end enclosure 1, the boiler barrel 2, the boiler rear end enclosure 11, a boiler body welded into the boiler body, the passage enclosure 12, the passage ring 13, the primary tube flower disc 14, the boiler comprises a channel ring 15, a hearth rear sealing cover 16, a hearth barrel 17, a reinforcing ring 18, a hearth front sealing cover 19, a front manhole ring 20, a flange 21, a boiler air inlet square flange 22, a hearth air inlet pipe 23, a boiler grate 24, a rear manhole ring 27, a flange 28, a boiler rear sealing cover 11, a heating chamber welded, an outer ring flower disc of the boiler rear sealing cover 11 is connected with a boiler flue 29, a flue square-round joint 30, a flange 31 is connected with a dust remover, a boiler front foot 25 and a boiler rear foot 26 to support the boiler.

The boiler air supply device structurally comprises a motor 1, a motor frame 2, a coupler 3, a blower 4, a blower outlet flange 5, a blower adjusting handle 6, an air door 7, an air supply square pipe 8, a hearth square flange 9, the motor 1, a coupler 3 arranged on the motor frame 2, a blower coupler 4, a fan flange 5, an air supply square pipe 8 and a hearth square flange 9, wherein the size of wind power of the air supply hearth of the blower is controlled by the air door adjusting handle 6 to control air supply positioning of the air door.

The hearth door cover device structure comprises a locking hand wheel 1, an adjusting hand wheel 2, a bolt 3, a door cover back support 4, an upper door cover support 5, a lower door cover support 5, an observation hole 6, an observation cover seat 7, a hearth door cover 8, a hearth cover flange 9, a hearth cover seat 10, a hearth cover seat flange 11, a hearth door cover device, a door cover back support 4, a hearth door cover 8 is tightly attached, the tightness is formed by the adjusting hand wheel 2, the door cover back support 4, the door cover support 5 is welded on the door cover seat 10 and is locked by the bolt 3, the hearth door cover seat is welded on a front end cover 1 of the boiler, and flame of the hearth is observed through the observation hole 6.

The utility model provides a, secondary firetube flame conversion room device structure includes upper cover support 1, upper back of the body 2, 3 lower bolts 4 of bolt, lower back of the body 5, lower cover support 6, conversion door closure 7, door closure seat 8, door closure seat flange 9, bolt 10, upper cover support 1, lower cover support 6 welds in door closure seat 8, and the door closure seat welds on the flower disc of head 1 before the boiler of boiler main part, by flange 9, connects conversion door closure 7, by the bolt-up.

The biomass fuel spiral conveying air feeding device structure comprises a raw material 1, a storage bin 2, a storage bin switch box 3, a quantity control gate 4, a discharging hopper 5, a spiral conveyor feeding port 6, a spiral conveyor 7, a fan motor 8, a spiral conveying variable-frequency speed regulating motor 9, a conveying fan 10, a flange 11, a fan regulator 12, a fan handle 13, a spiral conveying discharging pipe 14, a discharging port flange 15, a conveying pipe interface 16 and a conveying pipe 17, wherein the biological material spiral conveying air feeding device is formed by biological materials 1 entering the storage bin 2, the switch box 3, the quantity control gate 4, the discharging hopper 5, the feeding spiral conveyor feeding port 6 and the spiral conveyor 7 are used for conveying the materials to the spiral conveying discharging pipe 14, the materials enter the conveying pipe interface 16, the conveying fan 10 is used for blowing the biological materials to the conveying pipe 17 and enter a screw cyclone boiler for combustion.

The instrument control device structurally comprises a control cabinet 1, an ammeter 2, a voltmeter 3, a left water pump motor switch, a right water pump motor switch, a switch 4, a variable frequency motor switch of a screw conveyor, a switch 5, a feeding blower switch, a switch 6, a boiler air supply motor switch, a switch 7, a pressure gauge 8, a flow transmitter 9, a thermometer thermocouple 10, a liquid level meter 11 and an automatic control device 12 of each instrument.

Claims

1. The water immersion type biomass fuel steam pressure boiler is characterized in that; the device comprises a boiler accessory device, a boiler main body device, a hearth air supply device, a hearth door cover device, a primary and secondary fire tube flame conversion device, a biological material spiral conveying air supply device and an instrument control device.

2. The water flooded biomass fired pressure steam boiler according to claim 1, wherein; the boiler accessory device comprises a primary fire tube 1, a secondary fire tube 2, a safety valve 3, a safety valve 4, a steam outlet 5, a steam gate valve 6, a heat-insulating layer 7, a heat-insulating outer layer 8, a liquid level meter water inlet valve 9, a liquid level meter 10, a liquid level meter water outlet valve 11, a thermometer water inlet valve 12, a thermometer 13, a thermometer water outlet valve 14, a thermometer water inlet valve 15, a thermometer 16, a thermometer water outlet valve 17, a water outlet pipe 18, a right multi-section water pump 19, a water pump water inlet pipe 20, a water pump water outlet pipe 21, a water outlet pipe gate valve 22, a worm furnace water inlet pipe 23, a check valve 24, a left water pump water inlet pipe 25, a left multi-section water pump 26, a water pump water outlet pipe 27, a water pump gate valve 28, a check valve 29, a water inlet pipe 30, a boiler water outlet pipe, the boiler comprises a valve 40, a liquid level meter 41, a valve 42, a valve 43 and a boiler accessory device 1, wherein a primary fire tube is arranged on a primary tube flower disc 14 of a boiler main body device, a C surface is connected with a front end socket 1 of the boiler, an annular flower disc account tube in an A surface is connected with flame heat energy of the primary fire tube, the flame of the primary fire tube is converted into a secondary fire tube through a secondary fire tube conversion device, 2, the secondary fire tube is arranged on the boiler main body device 1, an A surface flower disc is connected with an A surface 11, a B boiler rear end flower disc account tube is connected, the combustion distance is increased, the heat energy is fully transmitted into water, the heat energy is continuously heated to generate steam, a safety valve 3, a safety valve 4 and a steam outlet 5 are connected with a gas-water separator and a steam gate valve 6, the safety valve is connected with a boiler main body device barrel 2, a safety valve seat 10 and a, the boiler is totally insulated by asbestos 7, the shell is packed by 0, 3 stainless steel 8, a liquid level meter inlet valve 9, a liquid level meter 10, a liquid level drain valve 11, a thermometer inlet valve 12, a thermometer 13, a thermometer drain valve 14, a thermometer inlet valve 15, a thermometer 16, a thermometer drain valve 17, the instrument inlet valve is used for controlling the instrument to take gas from the boiler, water is used for detecting the instrument, the drain valve is used for draining water to a drain pipe 18 by disassembling and replacing the instrument, two sets of the liquid level meters ensure that the water level of the boiler is low at normal operating water level for automatic water replenishing, two sets of the thermometers automatically observe the temperature of the boiler, a right multi-section water pump 19, a water pump inlet pipe 20, a water pump outlet pipe 21, a water outlet pipe gate valve 22, a boiler inlet pipe 23, a check valve 24, a left water pump inlet pipe 25, a left multi-, the water comes to the soft water treatment back storage water tank, drain pipe gate valve 31, and boiler water is let off from drain pipe 32, and wind feeding pipe flange 33 is connected the feeding swirler 34 on, and lower connection boiler main unit matter fuel unloading pipe 3, feeding swirler feed inlet 35, boiler water supply control valve 36, supplies pressure gauge 37, flow transmitter 38, flow transmitter 39 instrument check, boiler water supply control valve 40, supplies level gauge 41, the instrument check, valve 42, valve 43, the instrument water valve of tearing open and trading or discharging.

3. The water flooded biomass fuel vapor pressure boiler of claim 1, wherein; the boiler main body device comprises a boiler front head 1, a boiler barrel 2, a material fuel discharging pipe 3, a swirler connecting flange 4, a steam valve seat 5, a flange 6, a safety valve seat 7, a flange 8, a flange 9, a safety valve seat 10, a boiler rear head 11, a passage sealing cover 12, a passage ring 13, a primary tube flower disc 14, a passage ring 15, a hearth rear sealing cover 16, a hearth barrel 17, a hearth reinforcing ring 18, a hearth front sealing cover 19, a hearth front manhole ring 20, a flange 21, a hearth air inlet square flange 22, a hearth air inlet pipe 23, a boiler grate 24, a boiler front foot 25, a worm furnace rear foot 26, a rear manhole ring 27, a flange 28, a boiler flue 29, a flue square-circle joint 30, a flange 31, an observation hole 32, a boiler main body, a boiler body formed by the boiler front head 1, the boiler barrel 2, the boiler rear sealing cover 11, a boiler body welded into a boiler body, the passage sealing cover 12, the passage ring 13, the primary tube flower disc 14, the boiler comprises a channel ring 15, a hearth rear sealing cover 16, a hearth barrel 17, a tapered ring 18, a hearth front sealing cover 19, a front manhole ring 20, a flange 21, a boiler air inlet square flange 22, a hearth air inlet pipe 23, a boiler grate 24, a rear manhole ring 27, a flange 28, a boiler rear sealing cover 11, a heating chamber welded, an outer annular flower disc of the boiler rear sealing cover 11 is connected with a boiler flue 29, a flue square-round joint 30, a flange 31 is connected with a dust remover, a boiler front foot 25 and a boiler rear foot 26, and the boiler is supported.

4. The water flooded biomass fuel vapor pressure boiler of claim 1, wherein; the boiler air supply device comprises a motor 1, a motor frame 2, a coupler 3, an air blower 4, a fan outlet flange 5, a fan adjusting handle 6, an air door 7, an air supply square pipe 8, a hearth square flange 9, a motor 1, a coupler 3 arranged on the motor frame 2, a fan coupler 4, a fan flange 5, an air supply square pipe 8 and a hearth square flange 9, wherein the size of wind power of an air blower air supply hearth is controlled by the air door adjusting handle 6 to control air supply positioning of the air door.

5. The water flooded biomass fuel steam pressure boiler of claim 1, wherein; the hearth door cover device comprises a locking hand wheel 1, an adjusting hand wheel 2, a bolt 3, a door cover back support 4, an upper door cover support 5, a lower door cover support 5, an observation hole 6, an observation cover seat 7, a hearth door cover 8, a hearth cover flange 9, a hearth cover seat 10, a hearth cover seat flange 11, a hearth door cover device is composed of the locking hand wheel 1, the door cover back support 4 is tightly attached to the hearth door cover 8, the tightness is formed by the adjusting hand wheel 2, the door cover back support 4 is welded to the door cover support 5, the furnace door cover seat 10 is welded to the bolt 3, the furnace door cover seat is locked, the furnace door cover seat is welded to a front end cover 1 of the boiler, and flame is observed through the observation hole 6.

6. The water flooded biomass fuel vapor pressure boiler of claim 1, wherein the biomass fuel is heated by the steam; the secondary fire tube flame conversion chamber device comprises an upper cover support 1, an upper back support 2, a bolt 3, a lower bolt 4, a lower back support 5, a lower cover support 6, a conversion door cover 7, a door cover seat 8, a door cover seat flange 9, a bolt 10, an upper cover support 1, a lower cover support 6, a flange 9, a connection conversion door cover 7 and a bolt fastening, wherein the door cover seat is welded on a flower disc of a boiler front end socket 1 of a boiler main body, and the flange 9 is connected with the conversion door cover 7.

7. The water flooded biomass fuel vapor pressure boiler of claim 1, wherein; the biomass fuel spiral conveying air feeding device comprises a raw material 1, a storage bin 2, a storage bin switch box 3, a quantity control gate 4, a discharging hopper 5, a spiral conveyor feeding port 6, a spiral conveyor 7, a fan motor 8, a spiral conveying variable-frequency speed regulating motor 9, a conveying fan 10, a flange 11, a fan regulator 12, a fan handle 13, a spiral conveying discharging pipe 14, a discharging port flange 15, a conveying pipe interface 16 and a conveying pipe 17, wherein the biological material spiral conveying air feeding device is formed by feeding biological materials 1 into the storage bin 2, the switch box 3, the quantity control gate 4, the discharging hopper 5 and the feeding quantity into the spiral conveyor feeding port 6, the spiral conveyor 7 is used for conveying the materials into the spiral conveying discharging pipe 14, the materials enter the conveying pipe interface 16 and are blown into the conveying fan 10 to the biological materials 17 to enter a swirler to be screwed into a boiler for combustion.

8. The water flooded biomass fuel vapor pressure boiler of claim 1, wherein; the instrument control device comprises a control cabinet 1, an ammeter 2, a voltmeter 3, a left water pump motor switch, a right water pump motor switch, a switch 4, a variable frequency motor switch of a screw conveyor, a switch 5, a feeding blower switch, a switch 6, a boiler air supply motor switch, a switch 7, a pressure gauge 8, a flow transmitter 9, a thermometer thermocouple 10, a liquid level meter 11 and an automatic control device 12 of each instrument.