CN202145050U - Straw granule heater unit - Google Patents
Straw granule heater unit Download PDFInfo
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- CN202145050U CN202145050U CN201120193377U CN201120193377U CN202145050U CN 202145050 U CN202145050 U CN 202145050U CN 201120193377 U CN201120193377 U CN 201120193377U CN 201120193377 U CN201120193377 U CN 201120193377U CN 202145050 U CN202145050 U CN 202145050U
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Abstract
A straw granule heater unit combining a boiler combusting biomass granule fuels such as straw and heat radiation end equipment, and convenient to use comprises a boiler component adopting biomass granules such as straw, a blower heat radiation component and a hot water circulating component are mounted on the boiler component, a microcomputer control component is mounted on the shell of the boiler component, a fuel bin is connected fixedly to the interior of the housing of the boiler component, a fuel bin lid is covered on the fuel bin, a feeding component is mounted at the lower part of the fuel bin, an ash residue hopper is arranged below a biomass granule combustor, a combustion chamber is arranged above the flame outlet of the biomass granule combustor, an expansion tank is mounted at the upper part inside the shell, and the biomass granule combustor comprises a combustion chamber component and a preheating air distribution chamber component.
Description
Technical field
The utility model relates to a kind of unit, relates in particular to a kind of stalk particle warm braw unit.
Background technology
The boiler that now biological particles is utilized has the research and development that much have effect, has also produced a lot of outstanding technical schemes.Zhenyang, Liyang City gas-fired equipment manufacturing company like the Decree of Patent Office of China in 2009; The biomass granule fuel combustion heat-exchange boiler that Beijing Suyang Huanneng Technology Co., Ltd. declares.Granted publication number: CN201269623, number of patent application 200820041497.1.It has adopted feed system, air feed system, burner independently that combustion system made up.Burner is a lower feeding; Can effectively use wooden type biomass granule fuel; But in utilization, still have deficiency to the stalk biomass granular fuel; This boiler is difficult to the technical problem of the biomass granule fuel slagging scorification of solution stalk class, and need need connect pipeline and heat dissipation equipment separately during heating, uses trouble.
Summary of the invention
The boiler that the purpose of the utility model provides a kind of burning straw biolobic material granular fuel is combined into one with the heat radiation end-equipment, stalk particle warm braw unit easy to use.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is: a kind of stalk particle warm braw unit, comprise stalk biomass particle boiler components, and it is characterized in that: on the described stalk biomass particle boiler components blower fan radiating subassembly and hot water circuit assembly are installed; On the housing of stalk biomass particle boiler components the microcomputerized control assembly is installed, is fixedly connected with the fuel hopper that has through hole in the housing of stalk biomass particle boiler components, the fuel hopper is fixedly connected with the inner surface of the upper plate of housing, is stamped the hopper lid on the fuel hopper; The bottom of fuel hopper is equipped with feeding material component, and the below of fuel hopper is designed with the biological particles burner, and the biological particles burner is connected through tube connector with the fuel hopper, and the biological particles burner communicates with the fuel hopper; Biological particles burner below is designed with grey slag bucket, and the crater top of biological particles burner is designed with the combustion chamber, forms heat-exchanging water tank between combustor outer casing and the housing, and the top in the housing is equipped with expansion tank; Expansion tank is positioned at fuel hopper one side, and water level signal spot check probing head is installed in the expansion tank, is designed with the heat exchange fire tube in the housing, is fixedly connected with the deashing assembly in the heat exchange fire tube; Be connected with the deashing pull bar on the deashing assembly, the deashing pull bar is positioned at outside, and heat exchange fire tube below is an expansion chamber, and hull outside is equipped with air-introduced machine; Air-introduced machine is corresponding with the sedimentation expansion chamber, and the exit of air-introduced machine is equipped with cigarette temperature detection signal probe, and the boiler hot-water exit is equipped with the water temperature signal detection probe, and the biological particles burner comprises combustion-chamber assembly and preheating distribution plenum assembly; Combustion-chamber assembly and the welding of preheating distribution plenum assembly, combustion-chamber assembly and preheating distribution plenum assembly communicate, and the front end of combustion-chamber assembly upwards has crater, and the Front-end Design of combustion-chamber assembly has the fire grate support plate; Have the hole on the combustion-chamber assembly base plate, the ash-removing plate assembly is installed on the combustion-chamber assembly base plate, the ash-removing plate assembly comprises ash-removing plate, has the ash-removing plate ash leakage hole on the ash-removing plate; The rear end of ash-removing plate is fixedly connected with handle, is fixedly connected with removable fixed grate in the combustion-chamber assembly, lays on removable fixed grate and the fire grate support plate toward double action fire grate group, and removable fixed grate, fire grate support plate, past double action fire grate group and combustion-chamber assembly base plate are formed grey chamber; Fire grate support plate, removable fixed grate and on double action fire grate group, all have the fire grate ash leakage hole comprise fire grate toward double action fire grate assembly, and the bottom of the rear end of one of them fire grate is fixedly connected and connects steel, connects steel and is fixedly connected with connecting plate; The top of connecting plate is fixedly connected with fire grate, and the rear end of connecting plate is fixedly connected with toward the double action bar, and preheating distribution plenum assembly upward opening is designed with guide frame in the preheating distribution plenum assembly; Guide frame is divided into guide frame and following guide frame, on the preheating distribution plenum assembly charging interface is installed, and the charging interface is corresponding with the opening on the preheating distribution plenum assembly, and preheating distribution plenum assembly upper design has siphunculus; Be stamped the inspection cover cap on the siphunculus, the past double action bar of pusher plate hole and past double action fire grate assembly is housed in the preheating distribution plenum assembly, the scraping wings assembly comprises scraping wings, has the pusher plate hole on the scraping wings; The scraping wings rear end is fixedly connected with toward the double action bar, the scraping wings assembly be arranged in guide frame down toward the double action bar, two rear ends toward the double action bars are through the Connection Block connection; Be connected with crankshaft connecting rod system on the Connection Block, the end of crankshaft connecting rod system is connected with the decelerator motor, and preheating distribution plenum assembly is equipped with air blast and hot wind ignition device outward; Air blast is corresponding with the front end lower openings of preheating distribution plenum assembly, and water level signal spot check probing head is installed in the expansion tank, the water temperature signal detection probe is installed in the boiler hot-water exit, cigarette temperature detection signal probe is installed in the chimney meatus draught fan exit, and crankshaft connecting rod system comprises eccentric wheel, eccentric shaft and connecting rod; Connecting rod is connected with connecting rod base through bearing pin, and the joint cross-section of preheating distribution plenum assembly and preheating distribution plenum assembly is provided with a plurality of secondary air holes, and a side of charging interface has sees the material window.
In this structure; The upper design of the opposite side of housing 9 has surface cooler 2, and surface cooler 2 upper ends are connected with drainpipe 1, and surface cooler 2 belows are designed with low noise axial fan 5; The low noise axial fan 5 outer blower fan radiating subassemblies 6 that are with; Blower fan radiating subassembly 6 lower ends are connected with circulating pump 8, are connected with water pipe on the circulating pump 8, and water pipe is connected with stalk biomass particle boiler components 3.
The utility model has the advantages of and be: because this structure of the utility model; So this utility model can not only use wooden biolobic material granular fuel under controllable state; And can be at burning straw-like biomass granular fuel under the controllable state; And do not need to connect separately pipeline and heat dissipation equipment, directly placing needs the room of heating to heat with the warm braw form again.
Description of drawings
Fig. 1 removes the front view behind the housing for the utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the A-A profile of Fig. 1;
Fig. 5 is the B-B profile of Fig. 2;
Fig. 6 is the front view of the stalk biomass particle boiler components among Fig. 1;
Fig. 7 is the rearview of Fig. 6;
Fig. 8 is the vertical view of Fig. 6;
Fig. 9 is the structural representation of biological particles burner among Fig. 1;
Figure 10 is the structural representation of the circulatory system of the utility model.
In the accompanying drawing: 1, blast pipe; 2, surface cooler; 3, stalk biomass particle boiler components; 4, microcomputerized control assembly; 5, low noise axial fan; 6, blower fan radiating subassembly; 7, hot water circuit assembly; 8, circulating pump; 9, housing; 10, biological particles burner; 11, feeding material component; 12, fuel hopper; 13, water level signal spot check probing head; 14, deashing assembly; 15, air-introduced machine; 16, crater; 17, fire grate support plate; 18, ash-removing plate; 19, ash-removing plate ash leakage hole; 20, fire grate ash leakage hole; 21, toward double action fire grate assembly; 22, connect steel; 23, removable fixed grate; 24, connecting plate; 25, ash-removing plate assembly; 26, toward the double action bar; 27, pusher plate hole; 28, handle; 29, guide frame; 30, inspection opening block; 31, connecting rod base; 32, see the material window; 33, charging interface; 34, secondary air hole; 35, water temperature signal detection probe; 36, deashing pull bar; 37, cigarette temperature detection signal probe; 38, expansion tank; 39, combustion-chamber assembly; 40, preheating distribution plenum assembly; 41, air blast; 42, decelerator motor; 43, eccentric shaft; 44, eccentric shaft; 45, connecting rod; 46, bearing pin; 47, hot wind ignition device.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further:
The utility model as Fig. 1,2,3,, 4,5,6,7,8,9, shown in 10, a kind of stalk particle warm braw unit comprises stalk biomass particle boiler components 3, and blower fan radiating subassembly 6 and hot water circuit assembly 7 are installed on the stalk biomass particle boiler components 3; On the housing of stalk biomass particle boiler components 3 microcomputerized control assembly 4 is installed, is fixedly connected with the fuel hopper 12 that has through hole in the housing 9 of stalk biomass particle boiler components 3, fuel hopper 12 is fixedly connected with the inner surface of the upper plate of housing, is stamped the hopper lid on the fuel hopper 12; The bottom of fuel hopper 12 is equipped with feeding material component 11, and the below of fuel hopper 12 is designed with biological particles burner 10, and biological particles burner 10 and fuel hopper 12 are connected through tube connector, and biological particles burner 10 communicates with fuel hopper 12; Biological particles burner 10 belows are designed with grey slag bucket, and crater 16 tops of biological particles burner 10 are designed with the combustion chamber, form heat-exchanging water tank between combustor outer casing and the housing, and the top in the housing is equipped with expansion tank 38; Expansion tank 38 is positioned at fuel hopper 12 1 sides, and water level signal spot check probing 13 is installed in the expansion tank 38, is designed with the heat exchange fire tube in the housing, is fixedly connected with deashing assembly 14 in the heat exchange fire tube; Be connected with deashing pull bar 36 on the deashing assembly 14, deashing pull bar 36 is positioned at outside, and heat exchange fire tube below is an expansion chamber, and hull outside is equipped with air-introduced machine 15; Air-introduced machine 15 is corresponding with the sedimentation expansion chamber, and the exit of air-introduced machine is equipped with cigarette temperature detection signal probe 37, and the boiler hot-water exit is equipped with water temperature signal detection probe 35, and biological particles burner 10 comprises combustion-chamber assembly 39 and preheating distribution plenum assembly 40; Combustion- chamber assembly 39 and 40 welding of preheating distribution plenum assembly, combustion-chamber assembly 39 communicates with preheating distribution plenum assembly 40, and the front end of combustion-chamber assembly 39 upwards has crater 16, and the Front-end Design of combustion-chamber assembly 39 has fire grate support plate 17; Have the hole on combustion-chamber assembly 39 base plates, on combustion-chamber assembly 39 base plates ash-removing plate assembly 25 is installed, ash-removing plate assembly 25 comprises ash-removing plate 18, has ash-removing plate ash leakage hole 19 on the ash-removing plate 18; The rear end of ash-removing plate 18 is fixedly connected with handle 28, is fixedly connected with removable fixed grate 23 in the combustion-chamber assembly 39, lays toward double action fire grate group 21 on removable fixed grate 23 and the fire grate support plate 17, removable fixed grate 23, fire grate support plate, forms grey chamber toward double action fire grate group 21 and combustion-chamber assembly 39 base plates; Fire grate support plate 17, removable fixed grate 23 and on double action fire grate group 21, all have fire grate ash leakage hole 20 comprise fire grate toward double action fire grate assembly 21, and the bottom of the rear end of one of them fire grate is fixedly connected and connects steel 22, connects steel 22 and is fixedly connected with connecting plate 24; The top of connecting plate 24 is fixedly connected with fire grate, and the rear end of connecting plate 24 is fixedly connected with toward double action bar 26, and preheating distribution plenum assembly 40 upward openings are designed with guide frame 29 in the preheating distribution plenum assembly 40; Guide frame 29 is divided into guide frame and following guide frame, on the preheating distribution plenum assembly 40 charging interface 33 is installed, and charging interface 33 is corresponding with the opening on the preheating distribution plenum assembly 40, and preheating distribution plenum assembly 40 upper design have siphunculus; Be stamped inspection cover cap 30 on the siphunculus, the past double action bar 20 of pusher plate hole 27 and past double action fire grate assembly 21 is housed in the preheating distribution plenum assembly 40, the scraping wings assembly comprises scraping wings, has pusher plate hole 27 on the scraping wings; The scraping wings rear end is fixedly connected with toward double action bar 26, the scraping wings assembly be arranged in guide frame down toward double action bar 26, two rear ends toward double action bars 26 are through the Connection Block connection; Be connected with crankshaft connecting rod system on the Connection Block, the end of crankshaft connecting rod system is connected with decelerator motor 42, preheating distribution plenum assembly 40 outer air blast 41 and the hot wind ignition devices 47 of being equipped with; Air blast 41 is corresponding with the front end lower openings of preheating distribution plenum assembly 40, and water level signal spot check probing 13 is installed in the expansion tank 38, water temperature signal detection probe 35 is installed in the boiler hot-water exit, cigarette temperature detection signal is popped one's head in 37 is installed in the chimney meatus draught fan exit, and crankshaft connecting rod system comprises eccentric wheel 43, eccentric shaft 44 and connecting rod 45; Connecting rod 45 is connected with connecting rod base 31 through bearing pin 46, and the joint cross-section of preheating distribution plenum assembly 40 and preheating distribution plenum assembly 40 is provided with a plurality of secondary air holes 34, and a side of charging interface 33 has sees material window 32; In the present embodiment; The upper design of the opposite side of housing 9 has surface cooler 2, and surface cooler 2 upper ends are connected with drainpipe 1, and surface cooler 2 belows are designed with low noise axial fan 5; The low noise axial fan 5 outer blower fan radiating subassemblies 6 that are with; Blower fan radiating subassembly 6 lower ends are connected with circulating pump 8, are connected with water pipe on the circulating pump 8, and water pipe is connected with stalk biomass particle boiler components 3.
Biomass granule fuel is stored in the fuel hopper 12; The bottom of fuel hopper 12 is equipped with feeding material component 11; Feeding material component 11 is the screw feeding assembly; During the 3 startup operations of stalk biomass particle boiler components, after fuel leaned on screw feeding component transfer to the tube connector mouth of pipe, fuel leaned on gravity to get in the biological particles burner 10 that is contained in stalk biomass particle boiler components 3 fronts through tube connector; This moment, the hot wind ignition device began fuel heating igniting; Treating that fuel gets into preheating distribution plenum inner chamber when a certain amount of, is under the driving of power source toward double action fire grate assembly and the coupled crankshaft connecting rod system that connects at controlled reductor motor, the fuel after lighting is back and forth pushed while after-flame lime-ash also back and forth released biological particles burner 10 and fall in the grey slag bucket.Also under slave mode, start air feed at air blast in the action of double action fire grate assembly; Most of wind supplies fuel combustion down through the fire grate that main air feed mouth gets into the combustion chamber; The hot blast of another part through in the interlayer on combustion-chamber assembly both sides and top thereof, heating; A plurality of secondary air holes 34 air feeds that connect with it make biological particles burner 10 reach best combustion efficiency; The flame that burning produces gets into another combustion chamber through a combustion chamber and burns away, and the high-temperature flue gas that burning produces gets into the heat exchange fire tube that spiral flow deflector is installed through the heat exchanging water pipe, through expansion chamber, discharges outside the body of heater through air-introduced machine 16.
The boiler water supply mouth passes through feed pipe; Circulating pump; Surface cooler; And return pipe is connected the hot water cyclesystem of formation warm braw unit with boiler blow-down water.
Microcomputer control system mainly is made up of each monitoring point of detection signal and each device drives signal of control warm braw unit work;
A: the input detection signal is divided into: be connected on the signal monitoring point of the cigarette temperature detection probe of chimney meatus draught fan outlet as the burner ignition procedure, with the start and stop of control point firearm.Be connected on hot water temperature's probe of boiler hot-water outlet, the detection signal of circulating pump start and stop detection signal and boiler overheat warning blowing out is provided; Be located at the blower fan start stop signal of the coolant-temperature gage probe control table cooler in the surface cooler; The water level detecting probe that is located in the expansion tank detects high water level in the demonstration boiler expansion water tank. middle water level. and low water level signal, warning blowing out during low water level; The bin full detection probe detects bin full information, and when treating that hopper lacks material, micro computer sends and lacks material warning message and shutdown.
B: device drives control power is divided into hopper fuel and carries reducing motor, fire grate reducing motor, air blast, igniter, air-introduced machine, circulating pump, centrifugal blower.Above power-equipment receives micro computer setting program institute to set control respectively, realizes the stable continuous service of warm braw unit under controllable state.
Claims (2)
1. a stalk particle warm braw unit comprises stalk biomass particle boiler components (3), it is characterized in that: blower fan radiating subassembly (6) and hot water circuit assembly (7) are installed on the described stalk biomass particle boiler components (3), microcomputerized control assembly (4) is installed on the housing of stalk biomass particle boiler components (3); Be fixedly connected with the fuel hopper (12) that has through hole in the housing (9) of stalk biomass particle boiler components (3), fuel hopper (12) is fixedly connected with the inner surface of the upper plate of housing, is stamped the hopper lid on the fuel hopper (12), and the bottom of fuel hopper (12) is equipped with feeding material component (11); The below of fuel hopper (12) is designed with biological particles burner (10), and biological particles burner (10) is connected through tube connector with fuel hopper (12), and biological particles burner (10) communicates with fuel hopper (12), and biological particles burner (10) below is designed with grey slag bucket; Crater (16) top of biological particles burner (10) is designed with the combustion chamber, forms heat-exchanging water tank between combustor outer casing and the housing, and the top in the housing is equipped with expansion tank (38), and expansion tank (38) is positioned at fuel hopper (12) one sides; Water level signal spot check probing head (13) is installed in the expansion tank (38), is designed with the heat exchange fire tube in the housing, be fixedly connected with deashing assembly (14) in the heat exchange fire tube, be connected with deashing pull bar (36) on the deashing assembly (14); Deashing pull bar (36) is positioned at outside, and heat exchange fire tube below is an expansion chamber, and hull outside is equipped with air-introduced machine (15), and air-introduced machine (15) is corresponding with the sedimentation expansion chamber; The exit of air-introduced machine is equipped with cigarette temperature detection signal probe (37), and the boiler hot-water exit is equipped with water temperature signal detection probe (35), and biological particles burner (10) comprises combustion-chamber assembly (39) and preheating distribution plenum assembly (40), combustion-chamber assembly (39) and preheating distribution plenum assembly (40) welding; Combustion-chamber assembly (39) and preheating distribution plenum assembly (40) communicate, and the front end of combustion-chamber assembly (39) upwards has crater (16), and the Front-end Design of combustion-chamber assembly (39) has fire grate support plate (17), have the hole on combustion-chamber assembly (39) base plate; On combustion-chamber assembly (39) base plate ash-removing plate assembly (25) is installed, ash-removing plate assembly (25) comprises ash-removing plate (18), has ash-removing plate ash leakage hole (19) on the ash-removing plate (18), and the rear end of ash-removing plate (18) is fixedly connected with handle (28); Be fixedly connected with removable fixed grate (23) in the combustion-chamber assembly (39), lay on removable fixed grate (23) and the fire grate support plate (17) toward double action fire grate group (21), removable fixed grate (23), fire grate support plate, form grey chamber, fire grate support plate (17), removable fixed grate (23) and on double action fire grate group (21), all have fire grate ash leakage hole (20) toward double action fire grate group (21) and combustion-chamber assembly (39) base plate; Comprise fire grate toward double action fire grate assembly (21), the bottom of the rear end of one of them fire grate is fixedly connected and connects steel (22), connects steel (22) and is fixedly connected with connecting plate (24), and the top of connecting plate (24) is fixedly connected with fire grate; The rear end of connecting plate (24) is fixedly connected with toward double action bar (26), and preheating distribution plenum assembly (40) upward opening is designed with guide frame (29) in the preheating distribution plenum assembly (40), and guide frame (29) is divided into guide frame and following guide frame; Charging interface (33) is installed on the preheating distribution plenum assembly (40), and charging interface (33) is corresponding with the opening on the preheating distribution plenum assembly (40), and preheating distribution plenum assembly (40) upper design has siphunculus, is stamped inspection cover cap (30) on the siphunculus; The past double action bar (20) of pusher plate hole (27) and past double action fire grate assembly (21) is housed in the preheating distribution plenum assembly (40), and the scraping wings assembly comprises scraping wings, has pusher plate hole (27) on the scraping wings; The scraping wings rear end is fixedly connected with toward double action bar (26), the scraping wings assembly be arranged in guide frame down toward double action bar (26), two rear ends toward double action bars (26) are through the Connection Block connection; Be connected with crankshaft connecting rod system on the Connection Block, the end of crankshaft connecting rod system is connected with decelerator motor (42), outer air blast (41) and the hot wind ignition device (47) of being equipped with of preheating distribution plenum assembly (40); Air blast (41) is corresponding with the front end lower openings of preheating distribution plenum assembly (40), and water level signal spot check probing head (13) is installed in the expansion tank (38), water temperature signal detection probe (35) is installed in the boiler hot-water exit, cigarette temperature detection signal probe (37) is installed in the chimney meatus draught fan exit, and crankshaft connecting rod system comprises eccentric wheel (43), eccentric shaft (44) and connecting rod (45); Connecting rod (45) is connected with connecting rod base (31) through bearing pin (46), and the joint cross-section of preheating distribution plenum assembly (40) and preheating distribution plenum assembly (40) is provided with a plurality of secondary air holes (34), and a side of charging interface (33) has sees material window (32).
2. stalk particle warm braw unit according to claim 1; It is characterized in that: the upper design of the opposite side of described housing (9) has surface cooler (2), and surface cooler (2) upper end is connected with drainpipe (1), and surface cooler (2) below is designed with low noise axial fan (5); The outer blower fan radiating subassembly (6) that is with of low noise axial fan (5); Blower fan radiating subassembly (6) lower end is connected with circulating pump (8), and circulating pump is connected with water pipe on (8), and water pipe is connected with stalk biomass particle boiler components (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120193377U CN202145050U (en) | 2011-05-27 | 2011-05-27 | Straw granule heater unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120193377U CN202145050U (en) | 2011-05-27 | 2011-05-27 | Straw granule heater unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202145050U true CN202145050U (en) | 2012-02-15 |
Family
ID=45580981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120193377U Expired - Lifetime CN202145050U (en) | 2011-05-27 | 2011-05-27 | Straw granule heater unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202145050U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230670A (en) * | 2011-05-27 | 2011-11-02 | 山东多乐采暖设备有限责任公司 | Straw particle warm air blower set |
| GB2523790A (en) * | 2014-03-05 | 2015-09-09 | Suirvale Developments Ltd Ta Wood Energy Solutions | Improvements to wood pellet boilers |
-
2011
- 2011-05-27 CN CN201120193377U patent/CN202145050U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230670A (en) * | 2011-05-27 | 2011-11-02 | 山东多乐采暖设备有限责任公司 | Straw particle warm air blower set |
| GB2523790A (en) * | 2014-03-05 | 2015-09-09 | Suirvale Developments Ltd Ta Wood Energy Solutions | Improvements to wood pellet boilers |
| GB2523790B (en) * | 2014-03-05 | 2017-12-13 | Suirvale Developments Ltd | Wood pellet boilers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120215 Effective date of abandoning: 20130605 |
|
| RGAV | Abandon patent right to avoid regrant |