CN208139576U - Biomass fuel environment-protection boiler - Google Patents
Biomass fuel environment-protection boiler Download PDFInfo
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- CN208139576U CN208139576U CN201820440167.3U CN201820440167U CN208139576U CN 208139576 U CN208139576 U CN 208139576U CN 201820440167 U CN201820440167 U CN 201820440167U CN 208139576 U CN208139576 U CN 208139576U
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Abstract
The utility model relates to field of boilers, specially a kind of biomass fuel environment-protection boiler.Setting burner hearth and three backhaul heat exchanger of shell and tube in furnace body, the upper side of burner hearth is connected to by pipeline with three backhaul heat exchanger of shell and tube, reciprocating fire grate is arranged in the bottom of burner hearth, reciprocating fire grate is staged fire grate structure, setting automatic ignitor and biological particles feeder, the staged fire grate structure above the outer end of reciprocating fire grate：One end that reciprocating fire grate is located at biological particles feeder is high, and one end that reciprocating fire grate is located inside burner hearth is low, and biomass fuel burns in the higher part of staged fire grate structure, forms lime-ash in the lower part of staged fire grate structure；Using fire grate determine and dynamic fire grate interlocks storied placement, the bottom for moving fire grate is connect with reciprocal dragging system reciprocating fire grate respectively.The utility model is pollution-free, high efficiency, being capable of full combustion agricultural crop straw particle.
Description
Technical field
The utility model relates to field of boilers, specially a kind of biomass fuel environment-protection boiler.
Background technique
Biomass is the various wastes generated in production estimation, such as：Stalk, rice husk, peanut shell, corn stover, wood
Bits, bark etc., referred to as biomass.Since produced biomass is all flammable, renewable, total amount is big, thus it is the earth now
On the 4th energy in addition to coal, petroleum, natural gas.With energy situations such as severe power shortage, oily famine, electricity price rises, rises of the oil price
Anxiety and problem of environmental pollution it is increasingly serious, various industries start the use to renewable energy consciousness gradually reinforce,
Wherein the utilization of biomass energy is current most practicable solution.
With the development of modern industry, world energy sources will be increasingly in short supply.Coal, oil etc. are used as a kind of non-renewable resources, no
Exhaustion will be faced long.In the long run, tellurian resource is limited, and the mankind are to be continuous and unbroken to the consumption of resource
Increase.Currently in process of industrialization, Sustainable Socioeconomic Development faces the multiple pressure of resource and environment in China, finds
New energy resources replace the resources such as coal, the petroleum of part, are conducive to the pressure for alleviating resource scarcity, are advantageously implemented every production
The sustainable development of industry.
Coal in China consumption occupies 60% of total energy consumption or more, and this energy resource structure based on coal makes coal smoke
Type pollution becomes the main pollution of In The Atmosphere Over China pollution.In order to improve the ecological environment, promote peasant programme.Construct harmonious society
Meeting, improves people's health level, and the Chinese government raising efficiency, protects emphasis of the environment as sustainable economic development.Cause
This, the development of the biomass fuel heating equipment of promotion and promotion efficient low-discharging to Biomass Energy Development cause, improves and gives birth to
State environment has important meaning.The implementation of this project, to protect environment, energy-saving and emission-reduction as primary motivitation, used in product
Fuel, alternative coal fever, is conducive to reduce pollution, preserve the ecological environment.
China produces several hundred million tons of stalks every year, wherein more than half be turned into ashes in raging flames.The season harvested every year
Section, sky and the earth shroud in smog：Aircraft can not land, traffic can not normal pass, people's expiratory dyspnea, frequently cough
Deng seriously affecting the health of people normally gone on a journey.If these stalks recycled, the burning both avoided, simultaneously
It saves, develop again, using the energy, important and far-reaching influence is all generated to country, environment, individual.
Earth home for the survival of mankind is just by the invasion of modern industry.Waste water, waste residue, exhaust gas are continuously arranged
It puts, results in various diseases, in the health for unconsciously wrecking us.With the development of modern industry, full generation
The hundreds of millions of chimney in boundary converges into a huge black " demon ", seriously threatens earth home for the survival of mankind.Together
When, full of smoke, respiratory tract environment is increasingly severe, constitutes to life and health and greatly threatens.This product energy conservation and environmental protection biomass
The use of fuel heating equipment reduces exhaust gas discharge, the discharge of harmful substance in air is substantially reduced, big compression ring is protected
Border further optimizes environment, guarantees human health.
Utility model content
The purpose of this utility model is to provide a kind of pollution-free, efficient biomass fuel environment-protection boiler, Neng Gouchong
Divided combustion agricultural crop straw (corn stover) particle.
To achieve the goals above, the utility model adopts the following technical solution：
A kind of biomass fuel environment-protection boiler, including：Three backhaul heat exchanger of shell and tube, burner hearth, reciprocating fire grate, furnace body,
Specific structure is as follows：
The upper side of setting burner hearth and three backhaul heat exchanger of shell and tube in furnace body, burner hearth is returned by pipeline with shell and tube three
Reciprocating fire grate is arranged in pass heat exchanger connection, the bottom of burner hearth, and reciprocating fire grate is staged fire grate structure, reciprocating fire grate
Setting automatic ignitor and biological particles feeder, the staged fire grate structure above outer end：Reciprocating fire grate position
High in one end of biological particles feeder, one end that reciprocating fire grate is located inside burner hearth is low, and biomass fuel is in ladder
The higher part burning of formula fire grate structure forms lime-ash in the lower part of staged fire grate structure；Reciprocating fire grate is using fixed
Fire grate and dynamic fire grate interlock storied placement, and the bottom of dynamic fire grate is connect with reciprocal dragging system respectively.
The biomass fuel environment-protection boiler, reciprocating fire grate are total to eleventh floor：Six layers for determine fire grate, five layers be furnace
Row, first layer move fire grate bottom and connect with the reciprocal dragging system of level-one, under the drive of the reciprocal dragging system of level-one, make reciprocating
Biomass fuel on fire grate is uniformly distributed；The bottom of the second to five layer of dynamic fire grate is connect with the reciprocal dragging system of second level, two
Under the drive of the reciprocal dragging system of grade, preheating and kindling fuel is uniformly taken to primary zone and after-flame, and lime-ash is pushed into
Extinguish area and grey vehicle.
Two smoke chambers, tubulation is arranged in the top of the biomass fuel environment-protection boiler, three backhaul heat exchanger of shell and tube
Two smoke chambers are arranged in the bottom of three backhaul heat exchanger of formula, and three backhaul heat exchanger of shell and tube includes that three groups of flue gases are restrained, and first group
The top of flue gas tube bank be connected to first smoke chamber, bottom that the tube bank of first group of flue gas and second group of flue gas are restrained and second
The top of smoke chamber connection, second group of flue gas tube bank and the tube bank of third group flue gas is connected to third smoke chamber, third group flue gas
The bottom of tube bank is connected to the 4th smoke chamber, and the high-temperature flue gas outlet of the 4th smoke chamber is connected to smoke evacuation system, forms three
Backhaul heat exchange structure.
The biomass fuel environment-protection boiler, at the high-temperature flue gas outlet of upper furnace side, high-temperature flue gas is successively passed through
Cross first smoke chamber, first group of flue gas tube bank, second smoke chamber, second group of flue gas tube bank, third smoke chamber, third group
Flue gas tube bank, the 4th smoke chamber, the high-temperature flue gas after three backhauls heat exchange, are expelled to chimney by smoke evacuation system.
The periphery of the biomass fuel environment-protection boiler, three backhaul heat exchanger of burner hearth and shell and tube is water jacket, water jacket
Cold water inlet is arranged in lower part on the outside of three backhaul heat exchanger of shell and tube, and cold water enters water jacket by cold water inlet, is located at furnace
Water jacket at the top of thorax is equipped with boiler hot-water outlet, moisturizing and relief valve connection and boiler hot-water temperature sensor interface, is arranging
Place is communicated with the water jacket of burner hearth top at the top of the water jacket of three backhaul heat exchanger of tubular type, recuperator inlet temperature sensing device is set.
Burner hearth high-temperature region temperature sensing is arranged close to the outer middle side part of burner hearth in the biomass fuel environment-protection boiler, furnace body
Device and secondary air system, the air outlet of secondary air system, the thermometric end of burner hearth high-temperature region temperature sensing device extend in burner hearth
The high-temperature region in portion.
The biomass fuel environment-protection boiler, diversion pipe is arranged in parallel oblique up and down at the middle part of burner hearth, and diversion pipe inclines
Tilted direction be fed side burner hearth sidewall, slope down to on the side wall of the side wall opposite side.
Chimney arch plate, chimney arch plate totally nine row is arranged in the biomass fuel environment-protection boiler at the top of the diversion pipe of lower part.
The biomass fuel environment-protection boiler, reciprocating fire grate use heat-resisting cast iron reciprocating fire grate.
The advantages of the utility model and beneficial effect are：
1, currently, three provinces in the northeast of China, which have begun, bans 10t/H or less coal-burning boiler, need by central heating, gas fired-boiler,
Electric boiler, oil burning boiler etc. substitute, and the area for not having central heating can only use gas fired-boiler, electric boiler, oil burning boiler,
If changing the particle boiler for meeting Environmental Law into, fuel cost will save 30~50%.The CO generated when burning particles2Tree will be passed through
Wooden, plant photosynthesis is absorbed, if not will increase the carbon dioxide in atmosphere by boiler combustion after granulating.
2, since present petrochemical industry class energy prices constantly rise, the cost of each main body of real economy is considerably increased, is saved
It can certainty of the environmental protection as economic development.It continues reliance on and spells the energy to increase industrial output, be difficult to maintain high speed even
Stable economy increases.The especially use of petrochemical industry class energy products also will cause numerous serious pollutions.Due to pollution treatment cost
It is higher, or even technical fee needed for being far longer than lift technique.So the utility model adapted biomass energy conservation and environmental protection industry
Development trend realizes efficient, energy-saving and environmental protection, the directions such as pollution-free (smokeless, dustless, harmless) discharge, and obtains certain effect.
3, the utility model analyzes the combustion air dynamics of different straw briquette fuels, optimization radiation heating-surface, right
It flows the structural parameters of heating surface, propose heating surface layout design method；Test concentration field of the different straw briquette fuels in furnace,
Change of temperature field improves ash erosion feature, establishes CO emission control technique；It mainly solves biomass fuel slagging and CO is discharged
The core technology problem of control, full combustion biomass energy (cornstalk particle), makes NO2、SO2, CO etc. discharge reach the world
The air pollution emission benchmark of highest level；By to burner hearth, fire grate, automatic control system, the theory analysis of smoke pipe and design,
Develop with stability, durability, efficiency, clean and environmental protection boiler.
4, the utility model develops hearth construction, the structure and size and CO and NO of burner hearth2Discharge, boiler thermal effect
The maximization of rate and heat transfer area etc. have relationship, by analyzing the kinetics of combustion of different straw briquette fuels, optimization radiation by
Hot face, convection heating surface structural parameters, carry out the design of burner hearth size and construction.
5, the utility model develops slag emission system, at present biomass especially stalk particle burning when it is easy
There is the problems such as slagging, alkali metal and chlorine corrosion, flying dust is serious in equipment, lime-ash not only influences the hot property of burning, or even danger
And the safety of boiler enables boiler when working timely by lime-ash by using staged fire grate structure and coking grinding device
Etc. discharging.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.In figure, the outlet of 1 boiler hot-water；2 moisturizings and relief valve connection；3 change
Hot device inlet temperature sensing device；4 shell and tube, three backhaul heat exchanger；5 smoke evacuation systems；6 cold water inlets；7 sewage draining exits；8 lime-ash；9
Burner hearth；10 chimney arch plates；11 fuel；12 heat-resisting cast iron reciprocating fire grates；The reciprocal dragging system of 13 second levels；14 level-ones, which back and forth drag, is
System；15 automatic ignitors；16 biological particles feeders；17 burner hearth high-temperature region temperature sensing devices；18 secondary air systems；19
Diversion pipe；20 boiler hot-water temperature sensor interfaces；21 water jackets；22 smoke chambers；23 furnace bodies；The tube bank of 24 flue gases.
Specific embodiment
As shown in Figure 1, the utility model biomass fuel environment-protection boiler, mainly includes：Boiler hot-water outlet 1, moisturizing and
Relief valve connection 2, recuperator inlet temperature sensing device 3, three backhaul heat exchanger 4 of shell and tube, smoke evacuation system 5, cold water inlet 6,
The reciprocal dragging system 13 of sewage draining exit 7, lime-ash 8, burner hearth 9, chimney arch plate 10, fuel 11, heat-resisting cast iron reciprocating fire grate 12, second level,
The reciprocal dragging system 14 of level-one, automatic ignitor 15, biological particles feeder 16, burner hearth high-temperature region temperature sensing device
17, secondary air system 18, diversion pipe 19, boiler hot-water temperature sensor interface 20, water jacket 21, smoke chamber 22, furnace body 23 etc., tool
Body structure is as follows：
The upper side of setting burner hearth 9 and three backhaul heat exchanger 4 of shell and tube in furnace body 23, burner hearth 9 passes through pipeline and tubulation
The connection of three backhaul heat exchanger 4 of formula, the periphery of three backhaul heat exchanger 4 of burner hearth 9 and shell and tube is water jacket 21, and water jacket is located at shell and tube
Cold water inlet 6 is arranged in the lower part in three backhaul heat exchangers, 4 outside, and cold water enters water jacket by cold water inlet 6, is located at 9 top of burner hearth
Water jacket be equipped with boiler hot-water outlet 1, moisturizing and relief valve connection 2 and boiler hot-water temperature sensor interface 20, in tubulation
Place is communicated with the water jacket of burner hearth 9 top at the top of the water jacket of three backhaul heat exchanger 4 of formula, recuperator inlet temperature sensing device 3 is set.
To efficiently control hot water temperature, and moisturizing in time and the safe hydraulic pressure of guarantee as needed.Furnace body 23 is close to the outer of burner hearth 9
Burner hearth high-temperature region temperature sensing device 17 and secondary air system 18 is arranged in middle side part, and air outlet, the burner hearth of secondary air system 18 are high
The thermometric end of warm area temperature sensing device 17 extends to the high-temperature region at 9 middle part of burner hearth, for measuring the temperature of 9 high-temperature region of burner hearth.Separately
Outside, sewage draining exit 7 is arranged in 23 lower part of furnace body positioned at three backhaul heat exchanger of shell and tube, 4 outside.
Two smoke chambers 22 are arranged in the top of three backhaul heat exchanger 4 of shell and tube, and the bottom of three backhaul heat exchanger 4 of shell and tube is set
Set two smoke chambers 22, three backhaul heat exchanger 4 of shell and tube includes three groups of flue gases tube banks 24, the top of first group of flue gas tube bank and the
The bottom of one smoke chamber connection, first group of flue gas tube bank and the tube bank of second group of flue gas is connected to second smoke chamber, and second group
Flue gas tube bank and third group flue gas tube bank top be connected to third smoke chamber, third group flue gas restrain bottom and the 4th
Smoke chamber connection, the high-temperature flue gas outlet of the 4th smoke chamber are connected to smoke evacuation system 5, form three backhaul heat exchange structures.Burner hearth 9
At the high-temperature flue gas outlet of upper side, high-temperature flue gas successively passes through first smoke chamber, first group of flue gas tube bank, second cigarette
Gas chamber, second group of flue gas tube bank, third smoke chamber, the tube bank of third group flue gas, the 4th smoke chamber, after three backhauls heat exchange
High-temperature flue gas, chimney is expelled to by smoke evacuation system 5, smoke evacuation system 5 uses 5.5kw High-temp. smoke-exhausting fan.
Heat-resisting cast iron reciprocating fire grate 12 is arranged in the bottom of burner hearth 9, and heat-resisting cast iron reciprocating fire grate 12 is staged fire grate
Structure, the outer end top setting automatic ignitor 15 and biological particles feeder 16 of heat-resisting cast iron reciprocating fire grate 12, institute
The staged fire grate structure stated：One end that heat-resisting cast iron reciprocating fire grate 12 is located at biological particles feeder 16 is high, heat-resisting
One end that cast iron reciprocating fire grate 12 is located inside burner hearth 9 is low, and biomass fuel 11 is in the higher part of staged fire grate structure
Burning forms lime-ash 8 in the lower part of staged fire grate structure.
Totally 11 layers of heat-resisting cast iron reciprocating fire grate 12：6 layers for determine fire grate, 5 layers be fire grate, the dynamic fire grate bottom of first layer and
The reciprocal dragging system 14 of level-one connects, and under the drive of the reciprocal dragging system 14 of level-one, makes on heat-resisting cast iron reciprocating fire grate 12
Biomass fuel 11 be uniformly distributed；The bottom of the second to five layer of dynamic fire grate is connect with the reciprocal dragging system 13 of second level, in second level
Under the drive of reciprocal dragging system 13, preheating and kindling fuel 11 is uniformly taken to primary zone and after-flame, and lime-ash 8 is pushed away
Enter to extinguish area and grey vehicle.
Diversion pipe 19 is arranged in parallel oblique up and down at the middle part of burner hearth 9, and the inclined direction of diversion pipe 19 is the furnace for being fed side
9 side wall of thorax, slope down to on the side wall of the side wall opposite side, can be effectively in burner hearth 9 using this structure
Pyrotechnics carry out water conservancy diversion, improve the thermal efficiency.Chimney arch plate 10 is set at the top of the diversion pipe 19 of lower part, and totally 9 row of chimney arch plate 10 inclines
The lower section for the chimney arch plate 10 being tiltedly arranged is corresponding with the air outlet of secondary air system 18, to reinforce the mixing of gas stream in the stove, rationally
The heat radiation and hot fume flowing in furnace are organized, to achieve the purpose that catch fire in due course, vigorous burning and is sufficiently burnt.
When work, biological particles are sent into burner hearth 9 through batcher, and automatic ignitor 15 works, after ten minutes 11 points of fuel
Combustion, reciprocal 14 automatic running of dragging system of level-one and uniform distribution, due to high-temperature flue gas and main combustion wind action, fuel 11 is gradually
Preheating, is burnt at dry, kindling, the scorching hot accumulation of energy of chimney arch plate 10 being laid on diversion pipe 19 in burner hearth 9, and temperature mentions rapidly in burner hearth 9
A large amount of fugitive constituents are precipitated in height, the fuel 11 being pushed into burner hearth 9, and burning reaches deflagration state, and the high-temperature flue gas of generation washes away boiler
And three backhaul heat exchanger of shell and tube, 4 heating surface, the cold water in water jacket 21 is heated, gradually completes cold and hot exchange, the water conservancy diversion in burner hearth 9
Pipe 19 makes cold and hot exchange cycles reach best.The reciprocal dragging system 13 of second level is run, preheating and kindling fuel 11
It is even to take primary zone and after-flame to, also lime-ash 8 is pushed into and extinguishes area and grey vehicle, the low-temperature flue gas that burning is completed and generated after heat exchange
It is discharged through smoke evacuation system 5 by chimney.
Embodiment the result shows that, the utility model biomass boiler SO2Discharge capacity reach 50PPM or less, CO discharge capacity reaches
150PPM or less, NO2Discharge capacity reaches 150PPM or less.The core of biomass environment-friendly boiler is successfully researched and developed and grasped to the utility model
Technology, it is contemplated that will be provided with producing 200 production capacity per year, research and develop successfully by obtain 30% occupation rate of market, according to every year may be used
Sale 200, it is contemplated that annual sales revenue is more than 80,000,000 RMB, increases 12,000,000 yuan of profits tax, 70 people of new entrants to the labor force newly.
Claims (9)
1. a kind of biomass fuel environment-protection boiler, which is characterized in that including：Three backhaul heat exchanger of shell and tube, burner hearth, reciprocating furnace
Row, furnace body, specific structure are as follows：
Setting burner hearth and three backhaul heat exchanger of shell and tube, the upper side of burner hearth are changed by pipeline and three backhaul of shell and tube in furnace body
Reciprocating fire grate is arranged in hot device connection, the bottom of burner hearth, and reciprocating fire grate is staged fire grate structure, the outer end of reciprocating fire grate
Automatic ignitor and biological particles feeder, the staged fire grate structure is arranged in top：Reciprocating fire grate is located at life
One end of material grains feeder is high, and one end that reciprocating fire grate is located inside burner hearth is low, and biomass fuel is in terraced wall furnace
The higher part burning of structure is arranged, forms lime-ash in the lower part of staged fire grate structure；Reciprocating fire grate, which uses, determines fire grate
Interlock storied placement with dynamic fire grate, the bottom of dynamic fire grate is connect with reciprocal dragging system respectively.
2. biomass fuel environment-protection boiler described in accordance with the claim 1, which is characterized in that reciprocating fire grate is total to eleventh floor：Six
Layer for determine fire grate, five layers be fire grate, the dynamic fire grate bottom of first layer is connect with the reciprocal dragging system of level-one, is back and forth dragged in level-one
Under the drive of system, it is uniformly distributed the biomass fuel on reciprocating fire grate；The bottom of the second to five layer of dynamic fire grate and second level
Preheating and kindling fuel, under the drive of the reciprocal dragging system of second level, is uniformly taken to main combustion by reciprocal dragging system connection
Area and after-flame, and lime-ash is pushed into and extinguishes area and grey vehicle.
3. biomass fuel environment-protection boiler described in accordance with the claim 1, which is characterized in that the top of three backhaul heat exchanger of shell and tube
Two smoke chambers are arranged in portion, and two smoke chambers, three backhaul heat exchanger packet of shell and tube is arranged in the bottom of three backhaul heat exchanger of shell and tube
Three groups of flue gas tube banks are included, the top of first group of flue gas tube bank is connected to first smoke chamber, and first group of flue gas is restrained and second group
The bottom of flue gas tube bank is connected to second smoke chamber, top and the third of second group of flue gas tube bank and the tube bank of third group flue gas
The bottom of smoke chamber connection, the tube bank of third group flue gas is connected to the 4th smoke chamber, the high-temperature flue gas outlet of the 4th smoke chamber
It is connected to smoke evacuation system, forms three backhaul heat exchange structures.
4. biomass fuel environment-protection boiler described in accordance with the claim 3, which is characterized in that the high-temperature flue gas of upper furnace side
Exit, high-temperature flue gas successively pass through first smoke chamber, first group of flue gas tube bank, second smoke chamber, second group of fume pipe
Beam, third smoke chamber, the tube bank of third group flue gas, the 4th smoke chamber, the high-temperature flue gas after three backhauls heat exchange, by discharging fume
System is expelled to chimney.
5. biomass fuel environment-protection boiler described in accordance with the claim 1, which is characterized in that burner hearth and three backhaul of shell and tube heat exchange
The periphery of device is water jacket, and water jacket is located at the setting of the lower part on the outside of three backhaul heat exchanger of shell and tube cold water inlet, and cold water passes through cold
Water inlet enters water jacket, is equipped with boiler hot-water outlet, moisturizing and relief valve connection and boiler hot positioned at the water jacket of roof of the furnace
Water temperature sensor interface communicates place at the top of the water jacket at the top of the water jacket of three backhaul heat exchanger of shell and tube with burner hearth, and setting is changed
Hot device inlet temperature sensing device.
6. biomass fuel environment-protection boiler described in accordance with the claim 1, which is characterized in that outer middle side part of the furnace body close to burner hearth
Burner hearth high-temperature region temperature sensing device and secondary air system, the air outlet of secondary air system, burner hearth high-temperature region temperature sensing are set
The thermometric end of device extends to the high-temperature region in the middle part of burner hearth.
7. biomass fuel environment-protection boiler described in accordance with the claim 1, which is characterized in that parallel oblique above and below the middle part of burner hearth
Diversion pipe is set, and the inclined direction of diversion pipe is the burner hearth sidewall for being fed side, is sloped down to and the side wall opposite side
Side wall on.
8. biomass fuel environment-protection boiler according to claim 7, which is characterized in that set at the top of the diversion pipe of lower part
Set chimney arch plate, chimney arch plate totally nine row.
9. biomass fuel environment-protection boiler described in accordance with the claim 1, which is characterized in that reciprocating fire grate uses heat-resisting cast iron
Reciprocating fire grate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820440167.3U CN208139576U (en) | 2018-03-29 | 2018-03-29 | Biomass fuel environment-protection boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820440167.3U CN208139576U (en) | 2018-03-29 | 2018-03-29 | Biomass fuel environment-protection boiler |
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| CN208139576U true CN208139576U (en) | 2018-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571817A (en) * | 2018-03-29 | 2018-09-25 | 辽宁海帝升机械有限公司 | Biomass fuel environment-protection boiler |
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2018
- 2018-03-29 CN CN201820440167.3U patent/CN208139576U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571817A (en) * | 2018-03-29 | 2018-09-25 | 辽宁海帝升机械有限公司 | Biomass fuel environment-protection boiler |
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