CN202141190U - Biomass energy hot-blast stove - Google Patents
Biomass energy hot-blast stove Download PDFInfo
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- CN202141190U CN202141190U CN201120208877U CN201120208877U CN202141190U CN 202141190 U CN202141190 U CN 202141190U CN 201120208877 U CN201120208877 U CN 201120208877U CN 201120208877 U CN201120208877 U CN 201120208877U CN 202141190 U CN202141190 U CN 202141190U
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- blast stove
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Abstract
The utility model discloses a hot-blast stove using the combustion of the biomass energy to realize the drying of cereals. The hot-blast stove comprises a hearth and a heat exchanger. The heat exchanger is constituted by a heat exchange pipe, two ends of which are welded on a heat exchange plate. The hearth is disposed vertically, and is connected with the heat exchange plate by an arc-shaped part. The biomass energy hot-blast stove uses the waste-like fuels such as disused timbers, coals, rice husks and straws and so on instead of the kerosene and the diesel oil by the fuel selection, thereby the cereal drying costs of the original (fuel oil) circulation type cereal drying machine can be reduced by approximately 60%. In addition, the equipment adopts the multiple interlock control design to provide the stable heat source, thereby the cereal drying quality can be improved. A combustion chamber and a high temperature hot blast channel adopt special refractory materials to prolong the service lifetime of the hot-blast stove and guarantee the safety of the hot-blast stove. The hot-blast stove provided in the utility model is also provided with a whirlwind dust removing device and an air filter screen, thereby the requirements of a progressive society such as energy conservation and environmental protection can be satisfied.
Description
Technical field:
The utility model relates to a kind of hot-blast stove, particularly a kind ofly utilizes biomass energy to burn to realize the dry hot-blast stove of cereal.
Background technology:
To grain drying, there is certain defective in some similar hot-blast stoves in the market.
Shown in Fig. 1 a and Fig. 1 b; This is a kind of of existing hot-blast stove, its combustion chamber below square structure or top, combustion chamber arc, the hot-air that burning produces gets in the heat-exchange tube; Waste gas is discharged from the top, and the hot blast after the exchange imports corresponding crop dryer by airduct.
Shown in Fig. 2 a and Fig. 2 b, this is another kind of existing hot-blast stove, with the difference of Fig. 1 be the heat-exchanger pipeline horizontally-arranged, the hot-air after the burning gets into heat exchanger from the corresponding end of fire door.Through heat-exchange tube, be collected the back entering from the other end needs crop dryer to cold wind from burner hearth one end.
In sum, mainly there is following problem in the structure of these two kinds of hot-blast stoves:
(1) tubing heat exchanger and combustion chamber accumbency, its shortcoming is the heat-exchange tube easy blocking, influences heat exchanger effectiveness, waste fuel, thus also often, heat-exchange tube reduces heat exchange area because of stopping up, cause not reach needed expection hot blast temperature.The combustion chamber accumbency, the combustion chamber is long and narrow, and the combustion chamber height generally is no more than 1000mm, makes the limited combustion chamber active combustion volume-diminished in combustion space originally, can cause the fuel can not active combustion (particularly rice husk, timber, stalk etc.), wastes energy.
(2) combustion chamber does not have combustion-supporting air compensation device, causes the part of fuel incomplete combustion.
(3) the heat exchanger cleaning is not thorough
(4) high-temperature region does not have refractory material or adopts general refractory material, easy deformation, and service life is short.
(5) partial design adopts the mode that directly adds the heat exchange pipe, and the heat-exchange tube of general material directly heats through naked light, and easy deformation, explosion can't avoid naked light directly to get into crop dryer, cause fire.
(6) in the control: function tube list, alarm free device.
(7) in the conveying of fuel: structure tube list, amount can perfect adaptations, cause actual temperature difference fluctuation excessive, and in the cereal dry run, the hot blast temperature fluctuation is excessive, influences Quality of Grain Drying.
The utility model content:
In view of above-mentioned technical problem, the utility model provides a kind of and has utilized biomass energy to burn to realize the hot-blast stove that cereal is dry.This biomass energy hot-blast stove has replaced existing kerosene and diesel oil on fuel is selected; Select the multiple discarded objects that are close to such as waste wood, coal, rice husk, stalk to make fuel, make compared to the cereal drying cost of script (fuel oil) Cirulation type grain dryer and reduce about 60%.In addition, this equipment adopts multiple interlocking control design that stable heat is provided, thereby improves Quality of Grain Drying.And combustion chamber and high-temperature hot-air passage adopt special refractory, in the service life of having improved hot-blast stove, guarantee the security that hot-blast stove uses.Certainly; The utility model equipment also is equipped with cyclone dust collector and air filter screen, thus meet energy-conservation, the social progress requirement of environmental protection.
The concrete technical scheme of the utility model is following:
The biomass energy hot-blast stove comprises burner hearth and heat exchanger, and said heat exchanger part is welded on the heat exchanger plate by heat-exchange tube two; Said burner hearth is uprightly placed, and with heat exchanger plate between be connected by arc part;
Be provided with the combustion chamber in the said burner hearth, said burner hearth right side is respectively equipped with two place's wind-supplying mouths and feeding port that is connected with the combustion chamber; Said wind-supplying mouth connection one places the benefit wind blower fan of burner hearth below; Said benefit wind blower fan is sent into the combustion chamber with wind through pipe; Said feeding port connects a feeding airlock, and said feeding airlock is sent fuel into the combustion chamber through pipe;
Said combustion chamber and heat exchanger attaching parts are welded on the heat exchanger upper head plate, on upper head plate, pour into a mould fire clay after the second exchange elbow (position of this second exchange elbow is referring to B position shown in Figure 7) is welded in upper head plate with exhaust opening; Said exhaust opening connects cyclone dust collector.Exhaust opening imports cyclone dust collector through elbow with waste gas to carry out by smoke exhaust fan clean tail gas being discharged after the dedusting.
In the such scheme, said combustion chamber is the circular combustion chamber of erectting, interior block have can anti-1700 ℃ of high temperature refractory brick.
In the such scheme, said feeding airlock is connected with bolt with the interface of pipe.
In the such scheme, said two place's wind-supplying mouths connect through the pipe that is connected in parallel mends the wind blower fan.
In the such scheme, said heat-exchange tube is equilateral triangle on end plate arranges, and has 12 row exchange pipes, and the pipe number is with 10,9 cross arrangements; On the power board, vertically place about the exchange pipe is welded in, be divided into 3 zones in the upper head plate, the A district is the first road join domain; Belong to the high-temperature region, so the cast fire clay prevents high temperature in the attaching parts, the B zone is second exchange area, and the C district is the smoke evacuation zone; Bottom plate divides two zones, and D district, two exchange areas in E district are spaced intermediate, are independent of each other; End plate is all poured into a mould fire clay and is prevented high temperature up and down, and cleaning door is arranged at the bottom, convenient cleaning.
In the such scheme, said cyclone dust collector comprises cylindrical shell, cone, air inlet pipe, blast pipe and smoke exhaust fan composition; Said blast pipe place is equipped with smoke exhaust fan; Said cylindrical shell is connected with flange with the cone junction, and uses screw lock; Be connected with welding manner between said cylindrical shell and air inlet pipe and cylindrical shell and the blast pipe; Said smoke exhaust fan places blast pipe top, and both connect with flange, screw lock; The airduct that runs in behind the said smoke exhaust fan is placed air filter screen in the junction.Further filter flue gas, to reach emission request.
According to technique scheme, the utility model equipment possesses following advantage on integral frame:
1. the utility model adopts the circular combustion chamber of erectting, and interior block refractory brick can anti-1700 ℃ of temperature.And the combustion chamber accumbency of existing most hot-blast stoves or square or inwall do not have filling fire resisting material, except that feed system has the part combustion air, do not have other combustion-supporting facilities.This chamber structure of the utility model is indeformable, does not have the burning dead angle, and it is the most complete to burn, and working as fuel especially is soft comburant suspension combustions such as rice husk, does not have the phenomenon of smouldering, and efficiency of combustion is high.In addition; The combustion chamber is provided with two place's wind-supplying mouths; Being provided with of this two places wind-supplying mouth mainly is to make each corner, combustion chamber that combustion-supporting oxygen all arranged, from but comburant rice husk, stalk or the wood fragments bits etc. that suspend can fully burn the phenomenon of avoiding smouldering; The summation of mending air quantity and feeding air quantity is slightly less than smoke evacuation air quantity, negative pressure.In addition, the combustion chamber also is provided with place's feeding port, and it is combustion-supporting according to smoke exhaust fan air quantity wind speed wind effectively to be mended in the combustion chamber.
2. being connected between the combustion chamber in the utility model equipment and the heat exchanger adopted the curved plate shell, interiorly goes up the design shoot door with the castable refractory cast, can open cleaning.Arc air channel intensity is high, and the life-span is long, and hot blast flows smooth and easy, is difficult for dust stratification, reduces and stops up.
3. the heat-exchange tube in the utility model equipment adopts vertical structure, this structure, and the life-span is long indeformable, and the inside pipe wall easy cleaning is thorough, is difficult for dust stratification.
4. the utility model equipment configuration cyclone dust collector makes that combustion product gases passes through to discharge after the dust arrester dedusting, meets energy conservation and environment protection.
5. the utility model equipment is easy to operate, and protective device is complete, and each monitor and alarm system makes equipment safety operation.
Description of drawings:
Further specify the utility model below in conjunction with the accompanying drawing and the specific embodiment.
Fig. 1 a is the construction profile of existing hot-blast stove A.
Fig. 1 b is the Facad structure figure of existing hot-blast stove A.
Among the figure, the 101-burner hearth; The 102-heat exchange unit; The 103-fire door; The 104-hot-blast outlet; The 105-outlet of discharging fume; The import of 106-cold wind;
Fig. 2 a is the construction profile of existing hot-blast stove B.
Fig. 2 b is the Facad structure figure of existing hot-blast stove B.
Among the figure, the 201-burner hearth; The 202-heat exchange unit; The 203-fire door; The 204-hot-blast outlet; The 205-outlet of discharging fume; The import of 206-cold wind;
Fig. 3 is the internal structure sketch map of the described biomass energy hot-blast stove of the utility model.
Fig. 4 is the described chamber structure sketch map of the utility model.
Fig. 5 is the last first road wind-guiding box structure sketch map.
Fig. 6 is the last first road wind-guiding case shoot door structural representation.
Fig. 7 is a heat exchange unit superstructure sketch map.
Fig. 8 is a heat exchange unit substructure sketch map.
Fig. 9 is the heat exchange unit structural representation.
Figure 10 is a heat exchange unit overall structure sketch map.
Figure 11 is the cyclone dust collector structural representation.
Figure 12 is the automatic feeding structural representation.
The specific embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 3; The described biomass energy hot-blast stove of this utility model mainly comprises burner hearth 301, heat exchanger 302, base 303, pay-off 304, goes out compositions such as hot blast horn mouth 305, wheel 306, ash bucket 307, and burner hearth 301 places base 303 tops jointly with heat exchanger 302; Said burner hearth 301 is uprightly placed, and with heat exchanger plate between be connected by arc part 308 (bellows such as first road); Feed pipe 309 on pay-off 304 and the burner hearth 301 is connected with form of flanges; Wheel 306 directly welds and base 303 bottoms; The form that goes out the connection of hot blast horn mouth 305 usefulness screws is connected in heat exchanger 302 rear portions.
Referring to Fig. 4, the burner hearth of this hot-blast stove (combustion chamber) is made up of burner hearth 401, fire door 402, loam cake 403, hypocentrum 404, secondary air channel 405, feed pipe 406, ash discharge plate 407, plate guide rail 408 etc.Burner hearth 401 outsides form for steel plate is round as a ball, the inner refractory brick of building, and fire door 402 is formed by the fire clay cast; And build with burner hearth 401 and to be one; Secondary air channel 405 is welded on the burner hearth 401 with feed pipe 406, and is inserted in and lays bricks, and loam cake 403 is positioned on the laying bricks of burner hearth 401 tops; On laying bricks, be coated with the mud of laying bricks of a bed thickness before placing, guarantee the sealing that loam cake is connected with burner hearth.The steel plate junction that steel plate that the centrum of burner hearth 401 bottoms is outside and burner hearth are adds upper flange, and welds together flange and connect.Brick in hypocentrum 404 and the burner hearth is integral type.Ash discharge plate guide rail 408 is welded in the centrum bottom, and is positioned over ash discharge plate 407 on the guide rail.
In addition; The first road wind-guiding case (referring to Fig. 5) adopts the arc design, and its outside with shoot door (referring to Fig. 6) is outer cover of steel plate, the inner fire clay material of pouring into a mould; Shoot door and wind-guiding case lid mouth pour into the inclined structure; Wind-guiding case cover port is inserted in wind-guiding case lid bottom, and places fire-resistant cotton in the junction, to guarantee its sealing.
Referring to Fig. 7 and Fig. 8, the heat-exchange tube in the heat exchange unit is equilateral triangle on end plate arranges, and has 12 row exchange pipes, and the pipe number is with 10,9 cross arrangements; On the power board, vertically place about the exchange pipe is welded in, be divided into 3 zones in the upper head plate, the A district is the first road join domain; Belong to the high-temperature region, so the cast fire clay prevents high temperature in the attaching parts, the B zone is second exchange area, and the C district is the smoke evacuation zone; Bottom plate divides two zones, and D district, two exchange areas in E district are spaced intermediate, are independent of each other; End plate is all poured into a mould fire clay and is prevented high temperature up and down, and cleaning door is arranged at the bottom, convenient cleaning.
Referring to Fig. 9 and 10; Heat exchanger is by heat exchange unit 1001, the second road wind-guiding case 1002, wind-guiding case 1003, exhaust opening 1004 etc. are formed down; Heat exchange unit is formed heat-exchange tube 903 and upper and lower power board (901 by upper and lower power board (901,902), heat-exchange tube 903, side seal board (904/1005) and cast fire clay 905; 902) be welded to connect; And on upper and lower power board, pour into a mould fire clay 905, to guarantee its sealing and high temperature resistant, guarantee power board and exchange Guan Buhui temperature distortion.The second road wind-guiding case 1002, wind-guiding case 1003, exhaust opening 1004 all are welded on the upper and lower power board (901,902) down, and in the junction cast fire clay, guarantee its sealing.The second road wind-guiding case is arranged in the position of Fig. 7 B, and exhaust opening 1004 is arranged in Fig. 7 C position, and following wind-guiding case 1003 is positioned at heat exchange unit 1001 bottoms.Following wind-guiding case 1003 also is provided with two side cleaning doors 1006.
Referring to Figure 11, cyclone dust collectors are by cylindrical shell 1101, cone 1102 and air inlet and exhaust piper compositions such as (1103,1104), and are equipped with smoke exhaust fan 1105 at the blast pipe place.Cylindrical shell 1101 is connected with flange with cone 1102 junctions, and uses screw lock; Be connected with welding manner between cylindrical shell 1101 and air inlet pipe 1103 and cylindrical shell 1101 and the blast pipe 1104; Smoke exhaust fan 1105 places blast pipe 1104 tops, and both connect with flange, screw lock.The airduct (not marking among the figure) that runs in behind the smoke exhaust fan 1105 is placed air filter screen in the junction, a nearly step is filtered flue gas, to reach emission request.
The dust-cleaning principle of above cyclone dust collectors is that dust-contained airflow is rotated, and grit is separated from air-flow and captures in wall by means of centrifugal force, relends and helps the gravity effect to make grit fall into ash bucket.Its major function is to remove solid particle polluter that carries in the flue gas etc. as far as possible, and reaching particle separates with flue gas, plays the effect of flue.
Referring to Figure 12, automatic feeding is made up of hopper 1201, airlock 1202, airlock base 1203, blower fan 1204, blowing tube connector 1205, awl tube connector 1206, and each components all connects with the screw mode, is convenient to dismounting.
The operation principle of the said biomass energy hot-blast stove of the utility model is: fuel is sent into behind the combustion chamber in the burner hearth internal-combustion by airlock; Hot-air imports heat-exchange tube (because fire box temperature is higher by smoke exhaust fan; Pouring fireproof material in the elbow); For making full combustion of fuel, by mending the wind blower fan burning required air is provided, tail gas is discharged after via the cyclone dedusting; Cold air is from two side's preformed holes entering up and down, and the heat that the absorption heat-exchange tube distributes is after form warm-air supply after the heat exchanger heats.
In addition; The course of work of this biomass energy hot-blast stove and function: through the fuel in the ignition combustion chamber, will be through burning heated hot air heated delivery heat exchanger, the tail gas of residue discharges after the dedusting of whirlwind dust storage chamber after heat exchanger absorbs; Clean hot-air after the heat exchange imports crop dryer through heat-exchange tube provides cereal dry required thermal source; Hot-blast stove is self-feeding in the course of the work, and is temperature automatically controlled, and each coupling part running has the security monitoring warning system.
The said biomass energy hot-blast stove of the utility model possesses following characteristics.
1. integral frame:
A. dead astern cold wind mouth entering up and down, characteristics are fully to collect thermal source, particularly go up the cold wind mouth and can reduce main hot-air channel (combustion chamber upper periphery) temperature, increase the service life, and avoid producing the distortion that Yin Gaowen causes
B. heat exchanger is opened up cleanout up and down, can regularly clean the residual comburant of heat exchanger inside pipe wall fully, promotes heat exchanger effectiveness
C. the wheeled design of lower margin, conveniently moving
D. spacing 90mm between dividing plate and the shell within cold wind trend and the heat exchanger, and do the cold wind import makes whole hot-blast stove outer wall non-scald on hand at work, avoids that operating personnel are unexpected to scald
E. the position of feeding and benefit wind is accurately selected, and guarantees that there is abundant combustion-supporting oxygen in each corner, combustion chamber, does not have the burning dead angle, makes full combustion of fuel
F. the use of special refractory guarantees that the high-temperature region is indeformable, not explosion, longer service life
2. in the control;
Each warning device and export clean hot-air channel smoke detector and guarantee work safety.
The concrete control procedure of the said biomass energy hot-blast stove of the utility model is following:
1. press start button: (start or hot blast temperature be lower than setting value), the low temperature lamp is bright → and smoke exhaust fan, pressure fan, feeding fan start → Blowing stopper (feeding valve) delayed startup simultaneously
2. Blowing stopper starts back circulation material conveying (for example under the normal condition, after Blowing stopper time-delay 5S starts, stopping 5S behind the feeding 8S, intermittently feeding)
3. when hot blast temperature reached setting value, the low temperature lamp extinguished, and high temperature lamps is bright → and Blowing stopper shuts down and shuts down behind (promptly stopping the feeding) → three typhoon machine time-delay 30S (can according to the practical adjustments setting value)
4. when hot blast temperature was reduced to below the setting value 2 ℃, machine began action with reference to step 1
5. run in the machine run fault → alarm sound → each electric device out of service → the bright demonstration of warning lamp place fault
6. 1 running set by step after fault is got rid of.
More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (5)
1. the biomass energy hot-blast stove comprises burner hearth and heat exchanger, and said heat exchanger part is welded on the heat exchanger plate by heat-exchange tube two; Said burner hearth is uprightly placed, and with heat exchanger plate between be connected by arc part; It is characterized in that,
Be provided with the combustion chamber in the said burner hearth, said burner hearth right side is respectively equipped with two place's wind-supplying mouths and feeding port that is connected with the combustion chamber; Said wind-supplying mouth connection one places the benefit wind blower fan of burner hearth below; Said benefit wind blower fan is sent into the combustion chamber with wind through pipe; Said feeding port connects a feeding airlock, and said feeding airlock is sent fuel into the combustion chamber through pipe;
Said combustion chamber and heat exchanger attaching parts are welded on the heat exchanger upper head plate, on upper head plate, pour into a mould fire clay after the second exchange elbow and exhaust opening are welded in upper head plate; Said exhaust opening connects cyclone dust collector.
2. according to the biomass energy hot-blast stove of claim 1, it is characterized in that said combustion chamber is the circular combustion chamber of erectting, interior block have can anti-1700 ℃ of high temperature refractory brick.
3. according to the biomass energy hot-blast stove of claim 1, it is characterized in that said feeding airlock is connected with bolt with the interface of pipe.
4. according to the biomass energy hot-blast stove of claim 1, it is characterized in that said two place's wind-supplying mouths connect through the pipe that is connected in parallel mends the wind blower fan.
5. according to the biomass energy hot-blast stove of claim 1, it is characterized in that said cyclone dust collector comprises cylindrical shell, cone, air inlet pipe, blast pipe and smoke exhaust fan composition; Said blast pipe place is equipped with smoke exhaust fan; Said cylindrical shell is connected with flange with the cone junction, and uses screw lock; Be connected with welding manner between said cylindrical shell and air inlet pipe and cylindrical shell and the blast pipe; Said smoke exhaust fan places blast pipe top, and both connect with flange, screw lock; The airduct that runs in behind the said smoke exhaust fan is placed air filter screen in the junction, further filters flue gas, to reach emission request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120208877U CN202141190U (en) | 2011-06-20 | 2011-06-20 | Biomass energy hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120208877U CN202141190U (en) | 2011-06-20 | 2011-06-20 | Biomass energy hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
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| CN202141190U true CN202141190U (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120208877U Expired - Lifetime CN202141190U (en) | 2011-06-20 | 2011-06-20 | Biomass energy hot-blast stove |
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| CN (1) | CN202141190U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261739A (en) * | 2011-06-20 | 2011-11-30 | 上海昌浩机电有限公司 | Biomass energy hot blast stove |
| CN103353168A (en) * | 2013-06-24 | 2013-10-16 | 昆山凯洲环保机械有限公司 | Biological particle hot air furnace |
| CN104121767A (en) * | 2013-04-26 | 2014-10-29 | 屠惠中 | Anthracite hot blast heater of grain and wheat dryer |
| CN104566952A (en) * | 2014-12-11 | 2015-04-29 | 新乐盛佳绿能科技有限公司 | Household miniature biomass hot blast stove |
-
2011
- 2011-06-20 CN CN201120208877U patent/CN202141190U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261739A (en) * | 2011-06-20 | 2011-11-30 | 上海昌浩机电有限公司 | Biomass energy hot blast stove |
| CN102261739B (en) * | 2011-06-20 | 2015-05-20 | 上海昌浩机电有限公司 | Biomass energy hot blast stove |
| CN104121767A (en) * | 2013-04-26 | 2014-10-29 | 屠惠中 | Anthracite hot blast heater of grain and wheat dryer |
| CN103353168A (en) * | 2013-06-24 | 2013-10-16 | 昆山凯洲环保机械有限公司 | Biological particle hot air furnace |
| CN104566952A (en) * | 2014-12-11 | 2015-04-29 | 新乐盛佳绿能科技有限公司 | Household miniature biomass hot blast stove |
| CN104566952B (en) * | 2014-12-11 | 2017-08-25 | 王静梅 | A kind of domestic small biomass thermal wind furnace |
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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: 20120208 Effective date of abandoning: 20150520 |
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| RGAV | Abandon patent right to avoid regrant |