CN105650850A - Heat supply system of biomass boiler - Google Patents
Heat supply system of biomass boiler Download PDFInfo
- Publication number
- CN105650850A CN105650850A CN201610095359.0A CN201610095359A CN105650850A CN 105650850 A CN105650850 A CN 105650850A CN 201610095359 A CN201610095359 A CN 201610095359A CN 105650850 A CN105650850 A CN 105650850A
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- Prior art keywords
- fan
- boiler
- clip
- shaft
- fan shaft
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/0063—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters using solid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/027—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using cyclone separators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/12—Devices for fastening the top or terminal to chimney, shaft, or flue
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Supply (AREA)
Abstract
The invention discloses a heat supply system of a biomass boiler. A high-position soft water pool supplies water to the boiler, a boiler body is provided with a hot water outlet pipe connected to rooms, and a high-temperature tail gas pipe of the boiler body is connected to an air induction fan; valves are arranged in the rooms for controlling hot water bathing, solenoid valves are additionally arranged and are linked to fan coils for working, and a water return pipe gathers flow and returns; a coupling and a fan shaft of the air induction fan are assembled in a threaded mode, a fan impeller and the fan shaft of the air induction fan are assembled in a threaded mode, and the thread rotation direction is the automatic locking direction along with working and bearing; the fan impeller is in threaded and rigid connection with the fan shaft after pressing a copper-lead torsion composite pad; the coupling and the other end of the fan shaft are connected rigidly through a clamp part. According to the system, heat recovery and purification treatment of tail gas of the boiler are realized, the disassembly and assembly technology of the air induction fan of the boiler is greatly modified, the problems that the air induction fan of the boiler is continuously and automatically locked and is difficult to disassemble under the loading effect due to threaded assembly can be effectively solved, and large boiler fans can be disassembled conveniently and quickly after being locked in a threaded mode.
Description
Technical field
The present invention relates to the biomass boiler heating system that a kind of air-introduced machine is easy to disassemble and overhaul.
Background technology
Biomass boiler heating system is mainly using biomass such as corn straw as fuel, owing to biomass fuel is at rural area wide material sources, it is readily available, and the heating in China rural area is owing to being subject to all restrictions, all the time it is difficult to solve, therefore, Developing Biomass boiler heating system is the important channel solving rural area heating problem.
Boiler is the main equipment of biomass boiler heating system, boiler is blown and dedusting all be unable to do without the long-play of blower fan, therefore, blower fan is the key equipment of boiler, the tonnage of boiler is more big, and the blower fan used is also more big, and it is draught fan impeller that the structure of common blower fan is typically all fan shaft one end, the other end is motor power input, is often shaft coupling. Owing to the blower fan in boiler is typically all long-time operation continuously, so bearing is fragile, change bearing and generally need to first dismantle the shaft coupling of draught fan impeller and the other end, but the assembling of existing boiler air arbor and draught fan impeller, shaft coupling belongs to typical axle, hole interference fit, and carries out carrying transmission by key. The usual requirement on machining accuracy of interference fit is higher, and associative key connection realizes torque bearing function, and assembling generally all needs to load very big extruding force, without professional equipment and instrument, dismounts all very inconvenient.
Threaded have that processing is simple, it is convenient to assemble, also there is unidirectional carrying torque functions, therefore, if threaded at boiler air arbor with the connection in hole can adopt and realize transmission simultaneously, so as to assembly or disassembly is all comparatively convenient, then possess higher practical value and market application foreground. Coordinate in motion thread assembling at actual axle with hole, in order to be able to realize big bearing function demand, thread spindle is all relatively big with the scantling of the similar nut member matched, and it is often all also very easily convenient to screw in when assembling, and in use can realize the constantly locking automatically of bearing capacity, thus it is very reliable, but when dismounting, assembling is very tight often, dismantles very difficult, if simple easy removal can be realized under these conditions, it appears particularly important.
On the other hand, boiler is carried out good recuperation of heat and dedusting, significant for energy-saving and emission-reduction, meet China's present construction stage resource-conserving and the fundamental state policy of environmentally friendly amphitypy society.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art exactly, it is provided that a kind of simple and practical biomass boiler heating system.
For overcoming the deficiencies in the prior art, the present invention takes techniques below scheme:
A kind of biomass boiler heating system, including biomass hot water boiler main body, high-order soft water pond is to boiler water supply, and boiler body is provided with hot water out pipe and connects room, it is characterised in that: the high-temperature tail gas pipe of boiler body connects air-introduced machine; Being provided with Valve controlling hot water bathing in room to use, and increase the work of electromagnetic valve linking fan coil, fan coil connects back to water pipe and carries out return of confluxing; Described air-introduced machine includes draught fan impeller, bearing, fan shaft and shaft coupling, shaft coupling and fan shaft and draught fan impeller and fan shaft all adopts Screw assembly, and thread rotary orientation is the direction with work with carrying auto lock; The similar nut of draught fan impeller is by threadeding with fan shaft and impeller plain washer, copper-lead being reversed composite pad and compressed, and draught fan impeller and fan shaft one end form screw thread and be rigidly connected; Clip part is inserted in the fan shaft other end, then shaft coupling plain washer is inserted in fan shaft, is then threaded into the shaft coupling of similar nut more rationally all locking, makes the clip part shaft coupling with similar nut also constitute with the fan shaft other end and is rigidly connected.
It is the copper packing that punch process becomes that described copper-lead reverses composite pad, is with fin outside it, then at copper packing both sides compound fusible lead alloy packing ring.
Described clip part is made up of clip, clip ear, clip pad and bolt, clip cross section is wedge shape, formed opening structure by two semicircular ring card hoop bodies, clip pad opens elliptical aperture to strengthen axial elasticity, clip pad two ends are planar structure, being easy to coordinate with shaft shoulder plane, clip uses bolt through the hole on clip ear, is assemblied on clip pad and is integrally forming.
Described high-temperature tail gas pipe is through the interlayer of the tangentially connected tubular heat exchanger of air inlet and cyclone cylinder, dust is discharged at the cone end by wind stopping device after rotational flow dust-removing, tail gas connects cone by returning trachea, through tubulation after being uniformly dispersed, upper cone bucket connects air-introduced machine again after concentrating; High-order soft tank water passes through circulating pump to boiler water supply after tubular heat exchanger shell side preheats.
The dust removing valve of described boiler body is through the interlayer of the tangentially connected tubular heat exchanger of pipeline and cyclone cylinder, it is achieved the cleaning to grease in interlayer and crock.
The air outlet of described air-introduced machine connects chimney.
The present invention is a hot water circulation type heating system, during system work, high-temperature tail gas tangentially enters the interlayer of tubular heat exchanger and cyclone cylinder by offgas duct, high-order tail gas heating tubular heat exchanger outer wall realizes cyclonic separation flue dust simultaneously, flue dust can be discharged by bottom wind stopping device, tail gas then passes through and returns trachea, again from top to bottom through the tube side of water preheating tubular heat exchanger, pumped by air-introduced machine and discharged by chimney, the a high position soft tank water heat exchange once again come in shell side bottom water pipe, exported by shell side top preheating water pipeline, be delivered into boiler through circulating pump.
Hot water after boiler heating goes to room by hot water out pipe conveying, Valve controlling hot water bathing uses, increase the work of electromagnetic valve linking fan coil, so can avoid the long-term bad shunting action of ordinary construction, start fan coil and just can carry out rooms, at this moment Valve controlling hot water bathing does not also need when using to wait as long for the composition waste of emptying cold water, total return pipe carries out return of confluxing, dust removing valve open can dedusting, allow simultaneously pressure hot water coordinate tail gas stream flue dust grease is carried out eddy flow hydro-peening high-efficient purification;System work realizes heating and recycles twice with tail heat, it is achieved energy-saving and emission-reduction, and the tail gas cyclone cleaning process of synchronization is emptied again.
When boiler induced-draft fan need to be dismantled and overhaul, the copper-lead utilizing innovative design reverses composite pad, clip part, pass through operation readiness, can simply eliminate the similar nut member pressure to screw shaft shoulder end face, at this moment nut and screw part are in unloading vacant state, take apart and become equally simple and convenient with Screw assembly, for solving Screw assembly continuous auto lock under load effect, not easily detachable technical barrier, in large-sized boiler axes of blower based part screw-threaded coupling field, such function is particularly important.
When draught fan impeller needs dismounting but is very difficult, the copper packing that copper-lead is reversed in the middle of Composition spacer by oxy arc is adopted to carry out oxy arc heat treated, owing to the conductivity of heat of copper is fabulous, and the fusing point of metal is relatively low, after heating, metal is heated melting, the compression tensile force of draught fan impeller and shaft shoulder step is completely eliminated, and makes draught fan impeller be in vacant state completely, is especially susceptible to dismounting.
When the joint member of similar nut needs dismounting but is very difficult, with spanner, bolt is pulled down, two semicircular ring card hoop bodies of cause are quick is wedge shape to opening structure and clip body section, can connect to close up from two clip ears with the flat instrument in one end and easily pry open, clip easy removal is got off, clip pad returns to relaxed state, the tensile force after the locking of joint member and shaft shoulder end face is made to be completely eliminated, the joint member making similar nut is in vacant state completely, is especially susceptible to dismounting.
The present invention not only achieves recuperation of heat and the purified treatment of boiler exhaust gas, the more important thing is the dismounting technology of the boiler induced-draft fan that significantly taken on a new look, can effectively solve boiler induced-draft fan Screw assembly continuous not easily detachable problem of auto lock under load effect, it is particularly suitable for the convenient dismounting after large-sized boiler blower fan screw-threaded coupling, effect is especially pronounced, compared with prior art, beneficial effects of the present invention also resides in:
1, not changing the feature of Screw assembly, only need to add Pot metal composite pad, clip pad and clip, low being also especially susceptible to of cost realizes; 2, Pot metal composite pad, clip pad can play good Stress decomposition effect, effectively strengthen the bearing capacity of structure, and elliptical aperture opened by clip pad can effectively strengthen clip pad axial elasticity; 3, the Assembly And Disassembly of the design of Pot metal composite pad hot melt and clip is used very cleverly, realize the tensioning of axial accessory and lax function, the effectively quick tensile force eliminating the locking of similar nut, it is achieved the assembly rapid and convenient dismounting of similar nut member Screw assembly tight especially; 4, clip pad and the wedged dress distribution structure of clip are easy to repeatedly quick assembly and disassembly use.
Accompanying drawing explanation
Fig. 1 is the planar structure schematic diagram of the present invention.
Fig. 2 is the planar structure schematic diagram of air-introduced machine.
Fig. 3 is the structural representation that copper-lead reverses composite pad.
Fig. 4 is the assembling structural representation of clip part.
Fig. 5 is the fractionation structural representation of clip part.
Fig. 6 is the structural representation of clip pad.
In figure, each label represents:
A, air-introduced machine; 1, biomass boiler main body; 2, circulating pump; 3, room; 4, cyclone dust-removal heat exchanger; 5, offgas duct; 6, tubular heat exchanger; 7, cyclone cylinder; 8, tubulation; 9, trachea is returned; 10, wind stopping device; 12, chimney; 13, high-order soft water pond;14, hot water out pipe; 15, return pipe; 16, preheating water pipe; 17, boiler water inlet pipe; 18, dust removing valve; 19, air inlet; 20, fan coil; 21, electromagnetic valve; 22,23 it is valve; 31, draught fan impeller; 32, copper-lead reverses composite pad; 33, bearing; 34, fan shaft; 35, shaft coupling; 36, clip part; 38, fusible lead alloy packing ring; 39, copper packing and fin; 41, clip; 42, clip ear; 43, clip pad; 44, oval aperture; 45, bolt.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention is further elaborated with.
As shown in Figure 1, Figure 2, Fig. 3, biomass boiler heating system shown in Fig. 4, Fig. 5 and Fig. 6, including biomass hot water boiler main body 1, boiler water supply is given in high-order soft water pond 13, and boiler body is provided with hot water out pipe 14 and connects room 3, and the high-temperature tail gas pipe 5 of boiler body connects air-introduced machine A; Being provided with valve 22,23 in room 3 to control hot water bathing and use, and increase electromagnetic valve 21 linkage fan coil pipe 20 and work, fan coil 20 connects back to water pipe 15 and carries out return of confluxing; Described air-introduced machine A includes draught fan impeller 31, bearing 33, fan shaft 34 and shaft coupling 35, and shaft coupling 35 all adopts Screw assembly with fan shaft 34 and draught fan impeller 31 with fan shaft 34, and thread rotary orientation is the direction with work with carrying auto lock; The similar nut of draught fan impeller 31 is by threadeding with fan shaft 34 and impeller plain washer, copper-lead being reversed composite pad 32 and compressed, and draught fan impeller 31 and fan shaft 34 one end form screw thread and be rigidly connected; Clip part 36 is inserted in fan shaft 34 other end, again shaft coupling plain washer is inserted in fan shaft, it is then threaded into the shaft coupling 35 of similar nut more rationally all locking, makes the clip part 36 shaft coupling 35 with similar nut also constitute with fan shaft 34 other end and be rigidly connected.
Described copper-lead reverses the copper packing that composite pad 32 becomes for punch process, is with fin 39 outside it, then at copper packing both sides compound fusible lead alloy packing ring 38.
Described clip part 36 is made up of clip 41, clip ear 42, clip pad 43 and bolt 45, clip cross section is wedge shape, formed opening structure by two semicircular ring card hoop bodies, clip pad 43 opens elliptical aperture 44 to strengthen axial elasticity, clip pad 43 two ends are planar structure, being easy to coordinate with shaft shoulder plane, clip uses bolt 45 through the hole on clip ear 42, is assemblied on clip pad 43 and is integrally forming.
Described high-temperature tail gas pipe 5 is through the interlayer of the tangentially connected tubular heat exchanger 6 of air inlet 19 and cyclone cylinder 7, dust is discharged at the cone end by wind stopping device 10 after rotational flow dust-removing, tail gas connects cone by returning trachea 9, through tubulation after being uniformly dispersed, upper cone bucket connects air-introduced machine A again after concentrating; High-order soft tank water gives boiler water supply by circulating pump 2 after tubular heat exchanger shell side preheats.
The dust removing valve 18 of described boiler body is through the interlayer of the tangentially connected tubular heat exchanger 6 of pipeline and cyclone cylinder 7, it is achieved the cleaning to grease in interlayer and crock.
The air outlet of described air-introduced machine A connects chimney 12.
The present invention is a hot water circulation type heating system, during system work, high-temperature tail gas tangentially enters the interlayer of tubular heat exchanger 6 and cyclone cylinder 7 by offgas duct 5, high-order tail gas heating tubular heat exchanger outer wall realizes cyclonic separation flue dust simultaneously, flue dust can be discharged by bottom wind stopping device 10, tail gas then passes through and returns trachea, again from top to bottom through the tube side of water preheating tubular heat exchanger, pumped by air-introduced machine A and discharged by chimney 12, the a high position soft tank water heat exchange once again come in shell side bottom water pipe, exported by shell side top preheating water pipeline 16, be delivered into boiler through circulating pump 2.
Hot water after boiler heating goes to room 3 by hot water out pipe 14 conveying, valve 22,23 controls hot water bathing and uses, increase electromagnetic valve 21 linkage fan coil pipe 20 to work, so can avoid the long-term bad shunting action of ordinary construction, start fan coil 20 and just can carry out rooms, at this moment Valve controlling hot water bathing does not also need when using to wait as long for the composition waste of emptying cold water, total return pipe 15 carries out return of confluxing, dust removing valve 18 open can dedusting, allow simultaneously pressure hot water coordinate tail gas stream flue dust grease is carried out eddy flow hydro-peening high-efficient purification; System work realizes heating and recycles twice with tail heat, it is achieved energy-saving and emission-reduction, and the tail gas cyclone cleaning process of synchronization is emptied again.
When boiler induced-draft fan A need to dismantle and overhaul, the copper-lead utilizing innovative design reverses composite pad 32, clip part 36, pass through operation readiness, can simply eliminate the similar nut member pressure to screw shaft shoulder end face, at this moment nut and screw part are in unloading vacant state, take apart and become equally simple and convenient with Screw assembly, for solving Screw assembly continuous auto lock under load effect, not easily detachable technical barrier, in large-sized boiler axes of blower based part screw-threaded coupling field, such function is particularly important.
When air-introduced machine A impeller needs dismounting but is very difficult, the copper packing that copper-lead is reversed 32 centres of composite pad by oxy arc is adopted to carry out oxy arc heat treated, owing to the conductivity of heat of copper is fabulous, and the fusing point of metal is relatively low, after heating, metal is heated melting, the compression tensile force of draught fan impeller and shaft shoulder step is completely eliminated, and makes draught fan impeller be in vacant state completely, is especially susceptible to dismounting.
When shaft coupling 35 parts of similar nut need dismounting but are very difficult, with spanner, bolt 45 is pulled down, two semicircular ring card hoop bodies of cause are quick is wedge shape to opening structure and clip body section, can connect to close up from two clip ears 42 with the flat instrument in one end and easily pry open, clip easy removal is got off, clip pad 43 returns to relaxed state, the tensile force after the locking of shaft coupling 35 parts and shaft shoulder end face is made to be completely eliminated, shaft coupling 35 parts making similar nut are in vacant state completely, are especially susceptible to dismounting.
Above-mentioned simply presently preferred embodiments of the present invention, not does any pro forma restriction to the present invention. Any those of ordinary skill in the art, when without departing from technical solution of the present invention scope, may utilize the technology contents of the disclosure above and technical solution of the present invention are made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations. Therefore, every content without departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (6)
1. a biomass boiler heating system, including biomass hot water boiler main body, high-order soft water pond is to boiler water supply, and boiler body is provided with hot water out pipe and connects room, it is characterised in that: the high-temperature tail gas pipe of boiler body connects air-introduced machine; Being provided with Valve controlling hot water bathing in room to use, and increase the work of electromagnetic valve linking fan coil, fan coil connects back to water pipe and carries out return of confluxing; Described air-introduced machine includes draught fan impeller, bearing, fan shaft and shaft coupling, shaft coupling and fan shaft and draught fan impeller and fan shaft all adopts Screw assembly, and thread rotary orientation is the direction with work with carrying auto lock;The similar nut of draught fan impeller is by threadeding with fan shaft and impeller plain washer, copper-lead being reversed composite pad and compressed, and draught fan impeller and fan shaft one end form screw thread and be rigidly connected; Clip part is inserted in the fan shaft other end, then shaft coupling plain washer is inserted in fan shaft, is then threaded into the shaft coupling of similar nut more rationally all locking, makes the clip part shaft coupling with similar nut also constitute with the fan shaft other end and is rigidly connected.
2. biomass boiler heating system according to claim 1, it is characterised in that: it is the copper packing that punch process becomes that described copper-lead reverses composite pad, is with fin outside it, then at copper packing both sides compound fusible lead alloy packing ring.
3. biomass boiler heating system according to claim 1 and 2, it is characterized in that: described clip part is made up of clip, clip ear, clip pad and bolt, clip cross section is wedge shape, formed opening structure by two semicircular ring card hoop bodies, clip pad opens elliptical aperture to strengthen axial elasticity, and clip pad two ends are planar structure, it is simple to coordinate with shaft shoulder plane, clip uses bolt through the hole on clip ear, is assemblied on clip pad and is integrally forming.
4. biomass boiler heating system according to claim 3, it is characterized in that: described high-temperature tail gas pipe is through the interlayer of the tangentially connected tubular heat exchanger of air inlet and cyclone cylinder, dust is discharged at the cone end by wind stopping device after rotational flow dust-removing, tail gas connects cone by returning trachea, through tubulation after being uniformly dispersed, upper cone bucket connect air-introduced machine again after concentrating; High-order soft tank water passes through circulating pump to boiler water supply after tubular heat exchanger shell side preheats.
5. biomass boiler heating system according to claim 4, it is characterised in that: the dust removing valve of described boiler body is through the interlayer of the tangentially connected tubular heat exchanger of pipeline and cyclone cylinder, it is achieved the cleaning to grease in interlayer and crock.
6. biomass boiler heating system according to claim 1 and 2, it is characterised in that: the air outlet of described air-introduced machine connects chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095359.0A CN105650850A (en) | 2016-02-22 | 2016-02-22 | Heat supply system of biomass boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610095359.0A CN105650850A (en) | 2016-02-22 | 2016-02-22 | Heat supply system of biomass boiler |
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| Publication Number | Publication Date |
|---|---|
| CN105650850A true CN105650850A (en) | 2016-06-08 |
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ID=56489618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610095359.0A Pending CN105650850A (en) | 2016-02-22 | 2016-02-22 | Heat supply system of biomass boiler |
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| Country | Link |
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| CN (1) | CN105650850A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611809A (en) * | 2018-11-21 | 2019-04-12 | 安徽雷普顿热能设备有限公司 | Biomass steam generator |
| CN113154410A (en) * | 2021-03-19 | 2021-07-23 | 中国辐射防护研究院 | Vehicle-mounted low-emission combustible waste incineration device and process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611809A (en) * | 2018-11-21 | 2019-04-12 | 安徽雷普顿热能设备有限公司 | Biomass steam generator |
| CN113154410A (en) * | 2021-03-19 | 2021-07-23 | 中国辐射防护研究院 | Vehicle-mounted low-emission combustible waste incineration device and process |
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Application publication date: 20160608 |