CN203132338U - Biomass energy smelting furnace - Google Patents
Biomass energy smelting furnace Download PDFInfo
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- CN203132338U CN203132338U CN 201220717241 CN201220717241U CN203132338U CN 203132338 U CN203132338 U CN 203132338U CN 201220717241 CN201220717241 CN 201220717241 CN 201220717241 U CN201220717241 U CN 201220717241U CN 203132338 U CN203132338 U CN 203132338U
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- biomass energy
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Abstract
The utility model belongs to the technical field of metal smelting, and particularly relates to a smelting furnace utilizing renewable biomass energy. The smelting furnace comprises a smelting pot, a furnace body, a vaporization combustor and a feeding device, wherein the vaporization combustor is formed by the enclosure of the furnace body, and the feeding device provides biomass energy for the vaporization combustor. A rotary air inlet pipe is arranged at the bottom of the vaporization combustor. The rotary air inlet pipe is connected with a blower device and enables air entering the rotary air inlet pipe to spin. At least one layer of tangent air inlet pipes are arranged in the middle of the side wall of the furnace body. The outlet end of each tangent air inlet pipe is in tangency with the inner side wall of the furnace body in direction, and the inlet end of each tangent air inlet pipe is connected with the blower device. The smelting furnace has the advantages that the renewable biomass energy low in cost is used, so that production cost is lowered; and the vaporizing combustion of biomass energy fuel is supported by the air in a tangent mode so that a flame can burn in a spiral-flow mode and rotate around the inner wall of the furnace body and the wall of the smelting pot along with air flow, as a result, the furnace body and the smelting pot are both heated evenly, and the safety accident that a burst is caused by uneven heating of the furnace body and the smelting pot is eradicated.
Description
[technical field]
The utility model belongs to the metal smelt technical field, relates to a kind of smelting furnace for Metal Meltings such as aluminium, zinc, magnesium, lead, copper, relates in particular to a kind of one energy-saving smelting furnace that utilizes recyclable organism mass-energy.
[background technology]
Melting is one of casting production process, dissolve metal material and other auxiliary material input heating furnace also modified, furnace charge is in high temperature (material generation certain physical, chemical change in 1300～1600K) stoves, the pyrometallurgical processes of output crude metal or metal enrichment thing and slag.Furnace charge is except concentrate, calcining, sintering deposit etc., sometimes also need be added to the flux that makes furnace charge be easy to fusion, and add reducing agent for carrying out certain reaction, in addition, for necessary temperature is provided, often need add fuel combustion, and send into air or oxygen-enriched air, crude metal or metal enrichment thing are owing to being divided into two-layer the separation with the molten slag mutual solubility is very little with density contrast.Enrichment has sulfonium, speiss etc., and they need just can obtain metal through blowing or additive method processing.
Melting is carried out in smelting furnace, and at present, what melting was both at home and abroad used is Oil-combustion combusting machine heated type and reflection smelting furnace the most widely, and next adopts the smelting furnace of resistance-type and induction type.
The crucible type smelting furnace of Oil-combustion combusting machine heating has accounted for the overwhelming majority, because this kind smelting furnace advantage is that small investment, flexibility are big, but shortcoming can only be used Oil-combustion combusting machine, cost is very high when producing use, crucible and body of heater are heated inhomogeneous, its heat expansion ratio is different, the security incident and the maintenance cost height that cause crucible and body of heater explosion to cause, and service life is shorter.
The resistance-type smelting furnace is to utilize the electrothermal wire heating who is installed on the furnace wall, mainly gives crucible bottom and side by radiant heat transfer.The advantage of resistance-type smelting furnace is that temperature is easy to control, and crucible and body of heater are heated evenly, and service life is longer, and is very big but shortcoming is unit power consumption.Resistance is short service life, delays production often, and blowing out 1, the 2 day time of cooling is changed resistance wire, and its production capacity is compared with the fuel oil type stove or is low, so the user is less.
Living beings refer to the various organisms that form by photosynthesis comprise all animals and plants and microorganism, are stored in form of energy in the living beings and biomass energy is exactly solar energy with the chemical energy form, namely are the energy of carrier with living beings.It derives from the photosynthesis of green plants directly or indirectly, can be converted into conventional solid-state, liquid state and fuel gas, and is inexhaustible, nexhaustible, is a kind of regenerative resource, also is unique a kind of reproducible carbon source simultaneously.The primary energy of biomass energy derives from the sun, so in broad terms, biomass energy is a kind of form of expression of solar energy.
Biomass energy is the important energy source that the mankind depend on for existence always, and it is to be only second to coal, oil and natural gas and the energy that occupy the 4th of world energy sources total quantity consumed, occupies critical role in whole energy resource system.The relevant expert estimates, biomass energy very likely becomes the part of following sustainable energy system, to middle period next century, the various living beings alternative fuel of producing of employing new technology will account for more than 40% of global total energy consumption, and the utilization of biomass energy mainly contains 3 kinds of approach such as direct burning, heat chemistry conversion and biochemical transformations.
[utility model content]
The purpose of this utility model is to overcome the deficiency that prior art exists, production use cost height, production capacity is low, provide a kind of recyclable organism mass-energy of utilizing to be the smelting furnace of fuel, local heating to melting pan-furnace body is very fast, whole heat expansion is heated evenly than identical, has stopped body of heater and melting pot be heated inhomogeneous cause explosion or be full of cracks, solves the melting industry effectively and re-uses the smelting furnace of expensive oil fuel and the smelting furnace of resistance-type.
For achieving the above object, the utility model is to realize by following technical scheme:
Construct a kind of biomass energy smelting furnace, the vaporizing combustor that comprises melting pot, body of heater, surrounded by body of heater and the charging gear that biomass energy is provided for vaporizing combustor, described vaporizing combustor bottom is provided with the rotation air inlet pipe, and the rotation air inlet pipe is connected with air-blast device and makes the air that enters produce rotation; Described sidewall of the furnace body middle part is provided with one deck tangent line air inlet pipe at least, and port of export direction and the furnace body inside wall of tangent line air inlet pipe are tangent, and arrival end is connected with air-blast device.
Preferably, described tangent line air inlet pipe is distributed with three layers, and each layer is provided with four undercut line air inlet pipe.
Further, described vaporizing combustor bottom is provided with fire grate, and the rotation air inlet pipe is installed in below the fire grate.
Described body of heater is provided with burner hearth fire door and lower furnace door, and the burner hearth fire door is positioned at fire grate top, and lower furnace door is positioned at the fire grate bottom.
Described air-blast device comprises air blast and buffering bellows, and the rotation air inlet pipe is connected with the buffering bellows respectively with the tangent line air inlet pipe, and is provided with volume damper to regulate air quantity.
Described charging gear comprises Bunker and feed pipe, pneumatic shutting off valve is installed between Bunker and the feed pipe, spiral conveyor rod is installed in the feed pipe, rotational speed regulation feeding coal by the control spiral conveyor rod, be provided with in the described Bunker to lack and expect sensor, be provided with the tempering sensor in the described feed pipe.
Described inboard wall of furnace body is provided with dust collecting groove, and dust collecting groove bottom is squeezed to outside the stove by the squash type screw rod slag that will burn.
Described vaporizing combustor bottom is provided with metal leakage overflow pipe and metal leakage sensor.
The biomass energy smelting furnace of above technical scheme also comprises the residual heat recovery device, is used for making waste heat give normal temperature metal fusion and heats, and the residual heat recovery device comprises residual heat recovery case, exhaust emission tube and is connected the waste heat recovery pipe of upper of furnace body.
Further, the biomass energy smelting furnace also includes the PLC intelligent control module, the PLC intelligent control module comprises programmable PLC controller, temperature control modules, sensor assembly, buzzer and warning lamp, described sensor assembly comprises the metal leakage sensor, lacks material sensor and tempering sensor, lack the material sensor and be installed in the Bunker, the tempering sensor is installed in the feed pipe.。
Useful technique effect of the present utility model is: use the renewable biomass energy cheaply, reduce production costs; Biological mass-energy fuel application of air tangent line when gasification, and combustion is combustion-supporting; make the burning of flame vortex formula; reach all thermally equivalents of body of heater and melting pot along its flame of air-flow round inboard wall of furnace body and melting pot wall rotation etc.; maximum protection the service life of its equipment, stopped body of heater and a pot body inhomogeneous security incident that causes explosion of being heated especially.
The utility model can reduce and adopt hot cost 40%-60% under the prior art equal conditions, effectively improves production capacity, has reduced overlapping investment and industrial accident, reduces the greenhouse discharging, reduces the utilization rate of earth limited resources.
[description of drawings]
Fig. 1 is the side cross-sectional schematic of the biomass energy smelting furnace of the utility model embodiment.
Fig. 2 is the cross-sectional schematic of bowing of the biomass energy smelting furnace of the utility model embodiment.
Fig. 3 is the residual heat recovery apparatus structure schematic diagram of the utility model embodiment.
Fig. 4 is the air-blast device structural representation of the utility model embodiment.
[specific embodiment]
Below in conjunction with drawings and Examples the technical solution of the utility model is elaborated.
The biomass energy smelting furnace of present embodiment, the vaporizing combustor 3 that comprises body of heater 1, melting pot 2, surrounded by body of heater, for vaporizing combustor provides charging gear 4, air-blast device 5, residual heat recovery device 6, automatic ash discharging device 7 and the PLC intelligent control module of biomass energy, body of heater mainly is made of hollow insulating brick 12 and shell 11.
The smelting furnace of present embodiment is fuel with reproducible biomass energy, cost is low, cause body of heater and the explosion of melting pot and solution leakage, rate of warming slow for being heated of solving that the biological mass-energy fuel heating brings is inhomogeneous, the problem that heat transfer efficiency is low, be to be integrated as gasification combustion chamber 3 with gasification combustion chamber and the burner hearth of traditional smelting furnace, the vaporizing combustor lower room is turbination, the body of heater of vaporizing combustor bottom is provided with rotation air inlet pipe 31, and rotation air inlet pipe 31 is connected with air-blast device 5 and makes the air that enters produce rotation; Be provided with one deck tangent line air inlet pipe 32 at least at the sidewall of the furnace body middle part simultaneously, the tangent line air inlet pipe of three layers of level preferably, and each layer is provided with four undercut line air inlet pipe, the port of export 321 directions and body of heater 1 madial wall 121 of tangent line air inlet pipe are tangent, arrival end 322 is connected with air-blast device 5, biological mass-energy fuel is when the gasification, and combustion Indoor Combustion, the rotation air inlet pipe makes flame produce rotary combustion, when swirl flame rises to the middle part, under the three road horizontal tangent air-flow effects that the tangent line air inlet pipe of three layers of level produces, further strengthen swirl flame, flame temperature reaches high point, flame is round melting pot rotary combustion, make swirl flame at furnace wall and melting pot bottom, rotary combustion is heated between the pot sidewall, equal heat compared with the prior art, the time that the swirl flame of present embodiment and melting pot surface are heated is longer, it is more to conduct heat, the thermal efficiency is better.。
Vaporizing combustor 3 bottoms are provided with fire grate 13, to rotate air inlet pipe 31 is installed in below the fire grate 13, fire grate prevents that the biomass energy that adds from stopping up the rotation air inlet pipe, the air-flow that rotates up owing to the fire grate below suspends biomass energy, is more conducive to burning, body of heater in the fire grate upper and lower is respectively arranged with burner hearth fire door 14 and lower furnace door 15, the slag that the easy cleaning gasification, and combustion is indoor, the vaporizing combustor bottom also is provided with metal leakage overflow pipe 16, and the metal that leaks is derived outside the stove.
Air-blast device 5 comprises air blast 51, buffering bellows 52 and connects tracheae that rotation air inlet pipe 31 is connected with the buffering bellows by being connected tracheae respectively with tangent line air inlet pipe 32, and is provided with volume damper 521 to regulate air quantity.
Charging gear 4 comprises Bunker 41 and feed pipe 42, pneumatic shutting off valve 411 is installed between Bunker and the feed pipe, feed pipe 42 passes body of heater 1 and extend into gasification combustion chamber, in spiral conveyor rod 421 is installed, the transfer the fuel that the variable-frequency motor 422 of PLC intelligent control module control drives spiral conveyor rod 421 inequalities is to gasification combustion chamber, by the rotational speed regulation feeding coal of control spiral conveyor rod.
Automatic ash discharging device 7 comprise the dust collecting groove 71 that is arranged on inboard wall of furnace body, dust collecting groove bottom ash discharge passage 72, be installed in squash type screw rod 73 and motor 74 in the ash discharge passage, in the rotary combustion process, can form to side direction centrifugal force, the ashes that burnouted under action of centrifugal force, slag are dumped in the dust collecting groove of inboard wall of furnace body side, enter under the gravity in the ash discharge passage, the motor 74 of PLC intelligent control module control starts squash type screw rod 73 and push conveying ashes and slag outside stove.
Residual heat recovery device 6 is used for making waste heat give normal temperature metal fusion and heats, the residual heat recovery device comprises residual heat recovery case 61, exhaust emission tube 62 and is connected the waste heat recovery pipe 63 of upper of furnace body, the casing of residual heat recovery case is provided with heat-insulation layer 611, normal temperature metal 64 fusion is positioned in the case, the waste heat recovery pipe is connected the casing top, empty warm air enters from the top of residual heat recovery case, discharges from following exhaust emission tube, and the residual heat recovery case is provided with loam cake 612 and is used for access normal temperature metal fusion.
When heat is screwed into pot neck in the melting the bottom of a pan when rotary combustion, heat is absorbed by the melting pot gradually, temperature is step-down gradually, be discharged in the residual heat recovery case 61 from the waste heat recovery pipe at last, this moment, the temperature of waste heat air-flow also had between 500 ℃-800 ℃, accounted for 30～40% of total amount of heat, give the normal temperature metal material preheater fusion in the residual heat recovery case well, very effective 15～30% the waste heat that utilized again of present embodiment reduces production costs, and reduces the greenhouse discharging.
The PLC intelligent control module comprises programmable PLC controller, temperature control modules, sensor assembly, buzzer and warning lamp, and the programmable PLC controller is realized control automatically to the operation of smelting furnace.
Be prerequisite with the safety in production, the smelting furnace of present embodiment is provided with sensor assembly, comprises metal leakage sensor 17, lacks material sensor 412 and tempering sensor 422.The vaporizing combustor bottommost of smelting furnace has been installed the metal leakage sensor, in case sensor can be energized warning when high temperature metal solution leaks; Be equipped with in the Bunker and lack the material sensor, warning when in use fuel is not enough; The tempering sensor is installed in the feed pipe, contingency residual heat recovery pipe and/or exhaust pipe are blocked in the use, perhaps the toxic emission air-introduced machine breaks down, counter-rotating etc. may cause all that heat flows backwards and be tempered to the danger of Bunker that the tempering sensor can detect and start warning
The operation principle of present embodiment is: according to different metals and different process requirement, do not set the size (big fire, moderate heat, little fire, insulation etc.) of fuel value by Temperature numerical section wind; Charging gear is pressed preprogram and is driven the transfer the fuel of spiral conveyor rod inequality to gasification combustion chamber by variable-frequency motor simultaneously; The amount that charging gear is carried provides gasification combustion chamber's main air amount, tangent line combustion air volume all to become the positive quantity ratio with air-blast device.This combustion system more effectively makes the biomass fuel suspension gasification, and combustion on fire grate, cooperate required secondary, three distributions burning to reach fullest at the combustion-supporting air quantity of first, second and third road tangent line simultaneously, flame temperature reaches high point, along with first, second and third road tangent line air-flow, flame rotary combustion between furnace wall and the melting the bottom of a pan, pot wall is heated.This moment, the heating temperature of furnace wall, melting pot was very even, did not almost have the temperature difference, and best to have remedied prior art slow with inhomogeneous body of heater and the explosion of melting pot and solution leakage, the rate of warming of causing of being heated of bringing of Oil-combustion combusting machine single-point heating, and heat transfer efficiency is low.Gasification, and combustion indoor along with first, second and third road horizontal tangent air-flow, flame round melting pot rotary combustion, equal heat compared with the prior art, the time that the swirl flame of present embodiment and melting pot surface are heated is longer, heat transfer is more, the thermal efficiency is better.
The advantage of this combustion system is: the application of air tangent line is combustion-supporting during gasification, and combustion; make the burning of flame vortex formula; reach all thermally equivalents of body of heater and melting pot along its flame of air-flow round inboard wall of furnace body and melting pot wall rotation etc.; maximum protection the service life of its equipment; also reduce production costs, stopped body of heater and a pot body inhomogeneous security incident that causes explosion of being heated especially.
What need understand is: above-mentioned explanation is not to be to restriction of the present utility model, and in the utility model design scope, the interpolation of carrying out, conversion, replacement etc. also should belong to protection domain of the present utility model.
Claims (10)
1. biomass energy smelting furnace, the vaporizing combustor that comprises melting pot, body of heater, surrounded by body of heater and the charging gear that biomass energy is provided for vaporizing combustor, it is characterized in that: described vaporizing combustor bottom is provided with the rotation air inlet pipe, and the rotation air inlet pipe is connected with air-blast device and makes the air that enters produce rotation; Described sidewall of the furnace body middle part is provided with one deck tangent line air inlet pipe at least, and port of export direction and the furnace body inside wall of tangent line air inlet pipe are tangent, and arrival end is connected with air-blast device.
2. biomass energy smelting furnace according to claim 1, it is characterized in that: described tangent line air inlet pipe is distributed with three layers, and each layer is provided with four undercut line air inlet pipe.
3. biomass energy smelting furnace according to claim 1 is characterized in that: be provided with fire grate bottom the described vaporizing combustor, rotate air inlet pipe and be installed in below the fire grate.
4. biomass energy smelting furnace according to claim 1, it is characterized in that: described body of heater is provided with burner hearth fire door and lower furnace door, and the burner hearth fire door is positioned at fire grate top, and lower furnace door is positioned at the fire grate bottom.
5. according to any described biomass energy smelting furnace of claim 1 to 4, it is characterized in that: described air-blast device comprises air blast and buffering bellows, the rotation air inlet pipe is connected with the buffering bellows respectively with the tangent line air inlet pipe, and is provided with volume damper to regulate air quantity.
6. biomass energy smelting furnace according to claim 5, it is characterized in that: described charging gear comprises Bunker and feed pipe, pneumatic shutting off valve is installed between Bunker and the feed pipe, spiral conveyor rod is installed in the feed pipe, by the rotational speed regulation feeding coal of control spiral conveyor rod.
7. according to claim 1 or 6 described biomass energy smelting furnaces, it is characterized in that: described inboard wall of furnace body is provided with dust collecting groove, and dust collecting groove bottom is squeezed to outside the stove by the squash type screw rod slag that will burn.
8. biomass energy smelting furnace according to claim 7 is characterized in that: be provided with metal leakage overflow pipe and metal leakage sensor bottom the described vaporizing combustor.
9. according to claim 1 or 8 described biomass energy smelting furnaces, it is characterized in that: also comprise the residual heat recovery device, be used for making waste heat give normal temperature metal fusion and heat, the residual heat recovery device comprises residual heat recovery case, exhaust emission tube and is connected the waste heat recovery pipe of upper of furnace body.
10. biomass energy smelting furnace according to claim 9, it is characterized in that: also include the PLC intelligent control module, the PLC intelligent control module comprises programmable PLC controller, temperature control modules, sensor assembly, buzzer and warning lamp, described sensor assembly comprises the metal leakage sensor, lacks material sensor and tempering sensor, lack the material sensor and be installed in the Bunker, the tempering sensor is installed in the feed pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717241 CN203132338U (en) | 2012-12-21 | 2012-12-21 | Biomass energy smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717241 CN203132338U (en) | 2012-12-21 | 2012-12-21 | Biomass energy smelting furnace |
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| CN203132338U true CN203132338U (en) | 2013-08-14 |
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| CN 201220717241 Expired - Fee Related CN203132338U (en) | 2012-12-21 | 2012-12-21 | Biomass energy smelting furnace |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047857A (en) * | 2012-12-21 | 2013-04-17 | 涂其德 | Biomass smelting furnace |
| CN105624427A (en) * | 2016-02-26 | 2016-06-01 | 安徽枫慧金属股份有限公司 | Method for smelting aluminum through biomass heating |
| CN105783508A (en) * | 2016-03-14 | 2016-07-20 | 奉化市精翔热处理设备厂 | Biomass fuel crucible furnace |
| CN106595305A (en) * | 2016-12-30 | 2017-04-26 | 重庆振华制动器有限公司 | Smelting furance and aluminum smelting method |
| CN106855355A (en) * | 2015-12-09 | 2017-06-16 | 中国计量学院 | A kind of melting furnace of utilization biomass fuel heating fusing aluminium ingot |
| CN109323586A (en) * | 2018-11-21 | 2019-02-12 | 宁夏瑞银有色金属科技有限公司 | A kind of metal smelting-furnace and its smelting equipment |
-
2012
- 2012-12-21 CN CN 201220717241 patent/CN203132338U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047857A (en) * | 2012-12-21 | 2013-04-17 | 涂其德 | Biomass smelting furnace |
| CN106855355A (en) * | 2015-12-09 | 2017-06-16 | 中国计量学院 | A kind of melting furnace of utilization biomass fuel heating fusing aluminium ingot |
| CN106855355B (en) * | 2015-12-09 | 2019-10-22 | 中国计量大学 | A kind of melting furnace heating fusing aluminium ingot using biomass fuel |
| CN105624427A (en) * | 2016-02-26 | 2016-06-01 | 安徽枫慧金属股份有限公司 | Method for smelting aluminum through biomass heating |
| CN105783508A (en) * | 2016-03-14 | 2016-07-20 | 奉化市精翔热处理设备厂 | Biomass fuel crucible furnace |
| CN106595305A (en) * | 2016-12-30 | 2017-04-26 | 重庆振华制动器有限公司 | Smelting furance and aluminum smelting method |
| CN109323586A (en) * | 2018-11-21 | 2019-02-12 | 宁夏瑞银有色金属科技有限公司 | A kind of metal smelting-furnace and its smelting equipment |
| CN109323586B (en) * | 2018-11-21 | 2024-02-13 | 宁夏瑞银有色金属科技有限公司 | Metal smelting furnace and smelting equipment thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20131221 |