CN202175560U - Gas electric arc double heat type thermal storage waste heat waste gas backdraft environment protection energy conservation efficient silicon refining furnace - Google Patents
Gas electric arc double heat type thermal storage waste heat waste gas backdraft environment protection energy conservation efficient silicon refining furnace Download PDFInfo
- Publication number
- CN202175560U CN202175560U CN2011201830336U CN201120183033U CN202175560U CN 202175560 U CN202175560 U CN 202175560U CN 2011201830336 U CN2011201830336 U CN 2011201830336U CN 201120183033 U CN201120183033 U CN 201120183033U CN 202175560 U CN202175560 U CN 202175560U
- Authority
- CN
- China
- Prior art keywords
- heat
- burner
- heating
- heating chamber
- electric arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A gas electric arc double heat type thermal storage waste heat waste gas backdraft environment protection energy conservation efficient silicon refining furnace comprises electric arc first heating and fuel burning secondary heating, wherein the electric arc first heating comprises a heat conduction furnace pipe. A first heating chamber is arranged in the heat conduction furnace pipe, a melting stock crucible is arranged at the bottom of the heat conduction furnace pipe, an electric arc electrode for heating materials are positioned in the first heating chamber, an inclined secondary heating flame hole is arranged on the wall of the heat conduction furnace pipe, and an automatic feeding port is arranged at the top of the heat conduction furnace pipe. The fuel burning secondary heating comprises a heat insulation sleeve arranged on the periphery of the heat conduction furnace pipe. A second heating chamber is arranged between the heat insulation sleeve and the heat conduction furnace pipe, the heat insulation sleeve is provided with a burner, the burner can spray flame into the second heating chamber, and the burner is connected with a heat accumulator. Hot smoke of the first heating chamber and the second heating chamber enters the heat accumulator through a hot smoke outlet of the burner and then are burned for the second time through a hot smoke inlet of the burner.
Description
Technical field
The utility model relates to the silicon smelting furnace, is meant that mainly the environmental protection and energy saving of strile-bacing of a kind of combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas efficiently refine the silicon stove.
Background technology
Traditional silicon alloy smelting furnace; Single employing electric-arc heating mode; Because electric-arc heating is point type outwards heat release from the bottom to top; When smelting ferrosilicon, the violent alloy of silicon, 99% silicon, need batching to add about 1/4 ton blue charcoal, coking coal, the electric-arc heating mode since its electric arc heat production characteristic can't a large amount of carbon monoxide that high-temperature reaction process produced, carbonic acid gas, sulfurous gas, waste gas residual heat (be equivalent to total heat outputting energy about 50%) be reclaimed and carry out second stage employ; Directly discharging causes the high pollution atmosphere simultaneously in high energy consumption.
Summary of the invention
The purpose of the utility model provides the environmental protection and energy saving of strile-bacing of a kind of combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas and efficiently refines the silicon stove; Through adopting electric arc once to heat and fuel combustion second-heating mode; With waste gas residual heat that electric arc produced again through secondary combustion; Useless cigarette to discharging carries out dust removal process simultaneously, and the effect that has reached energy-saving and environmental protection and raised the efficiency has overcome the long-standing problem of existing refining silicon stove preferably.
The technical scheme that realizes the utility model is: this refining silicon stove comprises that fuel combustion second-heating and electric arc once heat, wherein:
Electric arc once heats and comprises the heat conduction flue, and this heat conduction flue inside is first heating chamber, is provided with top cover above it; The bottom is provided with the melt crucible; The material of packing into above the melt crucible is provided with the arc electrodes that material is heated in first heating chamber, on the heat conduction furnace wall, also be provided with the second-heating flame hole of inclination; On top cover, be provided with the automatic feed mouth; On the top cover circumferential surface, be connected with flue, this flue one end is communicated with first heating chamber, and the other end connects cyclone type vibration waste heat recovery fly-ash separator;
The fuel combustion second-heating is included in the heat conduction furnace gall periphery and is provided with a collet; Space between this collet and the heat conduction flue is second heating chamber, on collet, is provided with burner, and this burner is jet flames in second heating chamber; Burner is connected with heat storage; Be provided with thermofin at the second heating chamber end face, this is provided with the boiler face workplatform above thermofin, below second heating chamber, is provided with soot door; The hot cigarette of second heating chamber gets into first heating chamber through the second-heating flame hole, and the heat of second heating chamber conducts to first oven heats through the heat conduction flue.
The hot cigarette of first heating chamber and second heating chamber is discharged through the hot cigarette outlet of burner and is got into heat storage, breathes one's last import by secondary combustion through the heat of burner again.
This technical scheme also comprises:
Described burner comprises burner A and burner B, and described heat storage comprises heat storage A and heat storage B; Wherein burner A and burner B are respectively through heat storage A, reversing valve and heat storage B alternation; Burner A and burner B are provided with hot gas approach and hot exhanst gas outlet; Heat storage A and heat storage B are respectively equipped with hot gas approach and hot exhanst gas outlet, and wherein the hot smoke inlet of burner A and burner B and hot exhanst gas outlet connect reversing valve through hot gas approach and the hot exhanst gas outlet of burner A and burner B respectively.Heat storage A and heat storage B lower end are respectively equipped with ash output hole, on ash output hole, are provided with ash-removing door.
Described burner is a nozzle, and this nozzle is provided with lighter for ignition, fuel inlet, hot gas approach, hot exhanst gas outlet and flange, and wherein nozzle is fixed in heat storage A and the heat storage B through flange, and hot exhanst gas outlet communicates with second heating chamber.
Being provided with cold water channel in the described boiler face workplatform cools off the boiler face workplatform.
Also be provided with the second heating chamber explosive door on the described boiler face workplatform, this second heating chamber explosive door is communicated with second heating chamber.
Also be provided with the first heating chamber explosive door on the described flue.
Described cyclone type vibration waste heat recovery fly-ash separator lower end is respectively equipped with and connects connecing floss hole and connecing the settling tank mouth of flue and dedusting settling tank; Above connecing floss hole, be provided with the dedusting spray thrower; This fly-ash separator upper end be provided with connect dust settling chamber connect the dust settling chamber mouth; Also be provided with the preheated air outlet on fly-ash separator top, also be provided with preheated air import and vibrator in the fly-ash separator bottom.
Described heat conduction flue comprises melt crucible, heat conducting material courage body and top cover, and wherein melt crucible upper end connects heat conducting material courage body, and heat conducting material courage body upper end connects top cover through the boiler face workplatform.
The vergence direction of the second-heating flame hole of described inclination is low in the aperture of first combustion chamber, and is high in the aperture of second combustion chamber.
Described heat conduction flue top circumferential surface also is provided with the hand feed door.
The beneficial effect that the utlity model has: this refining silicon stove adopts the secondary combustion heating technique; Adopt the compound efficient burning of regenerator gas simultaneously in electric-arc heating; With the waste gas produced waste heat of electric arc furnace through can save energy after the secondary combustion more than 60%; Reduce discharging carbon monoxide 90%, carbonic acid gas more than 60%, sulfur dioxide emissions are reduced greatly, effects of energy saving and emission reduction is remarkable.Fuel gas buring efficient of the present invention reaches 99%, and primary energy source and secondhand energy utilising efficiency differ from more than 50%, and overall efficiency is greater than more than 65%, and the heating of competitive list thermic arc is smelted efficient and is enhanced about more than once.
Description of drawings
Fig. 1 is the general shape schematic perspective view of the utility model.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the floor map of Fig. 2.
Fig. 4 is the vertical view of Fig. 1.
Fig. 5 is the burner synoptic diagram of Fig. 1.
Fig. 6 is the cyclone type vibration waste heat recovery fly-ash separator synoptic diagram of the utility model.
Fig. 7 is the heat storage heat-exchanger rig synoptic diagram of the utility model.
Fig. 8 be the utility model be accumulation of heat warm-up combustion-supporting air and fuel economy ratio table; Wherein digital 10-70 representes combustion energy saving rate %; Numeral 200-1400 representes accumulation of heat warm-up combustion-supporting air temperature ℃, among the figure curve representation not accumulation of heat reclaim the flue-gas temperature curve of discharging.
Among the figure: 1 base of furnace body support; 2 base bearing piles; 3 heat storage B; 31 SVs; 32 heat storage A; 33 gas blowers; 34 reversing valves; 35 induced draft fans; 36 smoke exhaust pipes; 37 heat storage B; 4 melt crucibles; 41 crucible discharge ports; 5 collets; 51 fly-ash separators are suspension ring fixedly; 52 connect the dust settling chamber mouth; The outlet of 53 preheated airs; 54 dedusting spray throwers; 55 connect the settling tank mouth; 56 connect floss hole; 57 preheated air imports; 6 second-heating flame holes; 61 lighter for ignitions; 62 fuel inlets; 63 hot gas approachs; 64 hot exhanst gas outlets; 65 flanges; 7 thermofins; 8 boiler face workplatformes; 9 second heating chamber explosive doors; 10 hand feed doors; 11 top covers; 12 first heating chamber explosive doors; 13 flues; 131 electrically ventilating valves; 14 cold water channels; 15 second heating chambers; 16 arc electrodes; 17 first heating chambers; 18 heat conduction flues; 19 heat storage A; 20 burners; 21 secondary combustion chamber soot doors; 22 automatic feed mouths; 23 top cover suspension ring; 24 body of heater shells; 26 ash-removing doors; 27 links; 28 heat conducting material courage bodies; 29 nozzles; 50 cyclone types vibration waste heat recovery fly-ash separator; 60 vibrators.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
As shown in the figure; This stove (circle) comprises second-heating and second-heating structure; Second-heating is divided into electric-arc heating and fuel (combustion gas) burning heating; First heating chamber 17 is set for this reason and second heating chamber, 15, the first heating chambers 17 are electric-arc heating, second heating chamber 15 is burner 20 (fuel/combustion gas) burning heating.
Be material above the melt crucible 4; In first heating chamber 17, be evenly equipped with 16 pairs of materials of 3 arc electrodes and heat (see figure 1), the second-heating hole 6 of high dip is provided with this angling hole and can prevents that material from getting into second heating chamber 15 outside hanging down on heat conducting material courage body 28 walls, also being provided with; On top cover 11, be provided with automatic feed mouth 22; Also be provided with flue 13 at top cover 11 circumferential surfaces, flue 13 1 ends are communicated with first heating chamber 17, and the other end connects cyclone type vibration waste heat recovery fly-ash separator 50; Prevent the first heating chamber explosive door 12 that first heating chamber, 17 internal pressures are too high in addition at flue 13; Also be provided with electrically ventilating valve 131 in flue 13 outlet, top cover 11 circumferential surfaces also are provided with hand feed door 10, on top cover 11, also have 3 to be used to top cover suspension ring 23 (see figure 1)s of slinging heat conduction flue 18.
Burner 20 (see figure 5)s are nozzles 29; Nozzle 29 is made up of lighter for ignition 61, fuel inlet 62, hot gas approach 63, hot exhanst gas outlet 64, flange 65; Fuel inlet 62 connects fuel channel; Hot gas approach 63 is connected with hot exhanst gas outlet with the hot gas approach of heat storage A, B respectively with hot exhanst gas outlet 64, and nozzle 29 is fixed on the body of heater shell 24 through flange 65.
Heat storage heat-exchanger rig (see figure 7) is made up of SV 31, heat storage A (32), gas blower 33, reversing valve 34, induced draft fan 35, smoke exhaust pipe 36, heat storage B (37); Burner 20 is two; One is connected with heat storage A, and another is connected with heat storage B, and the hot flue gas that nozzle 29 produces gets into heat storage A and heat storage B respectively through the hot exhanst gas outlet 64 of nozzle 29; Under the effect of reversing valve 34; Alternately get into hot gas approach 63 again, play the combustion-supporting and energy-saving effect, heat storage A and heat storage B hang on the body of heater shell 24 through link 27.
Cyclone type vibration waste heat recovery fly-ash separator 50 (see figure 6)s by fly-ash separator fixedly suspension ring 51, connect that dust settling chamber mouth 52, preheated air export 53, dedusting spray thrower 54, connect settling tank mouth 55, connect floss hole 56, preheated air import 57 is formed; Fly-ash separator 50 lower ends are three-port structures; There is dedusting spray thrower 54 the inside, is used for the dust spray water, and following termination settling tank mouth 55 connects settling tank; The lateral floss hole 56 that connects connects flue 13; The dust settling chamber mouth 52 that connects of its upper end connects dust settling chamber, also is provided with the preheated air outlet 53 that connects thermal store A, B on fly-ash separator 50 tops, also is provided with the preheated air import 57 that connects gas blower in fly-ash separator 50 bottoms; Also be useful on the vibrator 60 that makes fly-ash separator 50 generation vibrations ash disposal, cigarette ash is discharged via the ash-removing door 26 of lower end ash output hole.
Principle of work:
Ore and batching classification is broken, mix by proportioning, be transported to feed bin; Start vacuum fan, the gas blower of heat storage heat-exchanger rig (see figure 7) then, at this moment light heat storage A or interior burner A or the B of B in the second-heating earlier, when the regenerator temperature in heat storage A or the B reaches 800-1000 ℃; Through reversing valve alternately attract deposit, heat exchange alternately pumps two heating chamber flue gases to heat-storage type burner A or B through the vacuum fan of heat storage heat-exchanger rig and carries out preheating of air mixing secondary high-temp combustion, when burner A worked, burner B was with regard to accumulation of heat; Otherwise then when burner B worked, burner A was with regard to accumulation of heat, and the hot cigarette of second heating chamber gets into first heating chamber through the second-heating flame hole; The high temperature of second heating chamber gets into first heating chamber through the conduction of graphite brick fuel courage body; First heating chamber is warmed up to more than 1200 ℃, and this moment, the mineral aggregate that the feed bin proportional mixing is good was delivered to the first heating chamber internal heating, connected 3 arc electrodes in first heating chamber; Beginning to produce electric arc once heats; Mineral aggregate in the first heating chamber crucible is heated and is warming up to 1600-1650 ℃ and dissolves, and the thermal chemical reaction one-period finishes, and the second-heating burner is reduced to little fire insulation burning; Open the crucible discharge port with the blow-on electrode, the mineral aggregate pyrosol after discharging is dissolved cools off to stove.Obstruction crucible discharge port carries out second and takes turns charging heating smelting.See accompanying drawing 8 "
Preheated air temperature and saving of fuel rate relation table".
The mineral aggregate electric arc of packing into once heats the inner bag feed bin and promptly produces a large amount of carbon monoxide, carbonic acid gas, sulfurous gas through heat and guide to A or B burner heat storage through heat storage heat-exchanger rig induced draft fan; Replace the accumulation of heat heat release through reversing valve and carry out secondary high-temp combustion minimizing dusty gas discharging more than 1400 ℃, unnecessary used heat cigarette is after fly-ash separator is handled the back discharging.
When the pressure in first heating chamber, second heating chamber is excessive, can open the first heating chamber explosive door, second heating chamber explosive door discharging decompression.When incendivity property waste gas surpasses secondary waste-gas burning chamber maximum combustion amount; Prevent detonation through detecting the automatic smokestack electrically ventilating valve startup tornado dust collector induced draft fan of opening of instruction through the excessive inflammable gas of tornado dust collector discharging; Test gas in the safe combustion scope after, close smokestack electrically ventilating valve and tornado dust collector induced draft fan and recover the trouble-free burning state.
The principle of work of heat-storage type burner (as shown in Figure 5): the normal temperature air that comes out from gas blower by reversing valve switch get into heat-storage type burner B after; Be heated through heat-storage type burner B (Ceramic Balls or honeycomb) time; The utmost point in the short period of time normal temperature air be heated near fire box temperature (generally 50～100 ℃ lower than furnace temperature); After heated high temperature air gets into burner hearth; Entrainment flue gas in the stove on every side and form one oxygen level and be significantly less than 21% thin oxygen deprivation high temperature gas flow, toward injecting fuel (fuel oil or combustion gas) near the thin high temperature air, fuel is realized burning under oxygen deprivation (2～20%) state simultaneously; Meanwhile; Hot flue gas after the burner hearth internal combustion enters atmosphere through another heat-storage type burner A; When the elevated temperature heat flue gas is through heat-storage type burner A in the burner hearth, sensible heat is stored in the heat-storage type burner A, discharges through reversing valve with the low-temperature flue gas that is lower than 150 ℃ then.The reversing valve that working temperature is not high switches with certain frequency, makes two heat-storage type burners be in accumulation of heat and heat release alternation state, thus reach energy-conservation with reduce purpose such as Nox quantity discharged, switching cycle commonly used is 30～200 seconds.
Claims (10)
1. the silicon stove is efficiently refined in the combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas environmental protection and energy saving of strile-bacing, and it is characterized in that comprising that electric arc once heats and the fuel combustion second-heating; Wherein
Electric arc once heats and comprises the heat conduction flue, and this heat conduction flue inside is first heating chamber, is provided with top cover above it; The bottom is provided with the melt crucible; The material of packing into above the melt crucible is provided with the arc electrodes that material is heated in first heating chamber, on the heat conduction furnace wall, also be provided with the second-heating flame hole of inclination; On top cover, be provided with the automatic feed mouth; On the top cover circumferential surface, be connected with flue, this flue one end is communicated with first heating chamber, and the other end connects cyclone type vibration waste heat recovery fly-ash separator;
The fuel combustion second-heating is included in the heat conduction furnace gall periphery and is provided with a collet; Space between this collet and the heat conduction flue is second heating chamber, on collet, is provided with burner, and this burner is jet flames in second heating chamber; Burner is connected with heat storage; Be provided with thermofin at the second heating chamber end face, on thermofin, be provided with the boiler face workplatform, below second heating chamber, be provided with soot door; The hot cigarette of second heating chamber gets into first heating chamber through the second-heating flame hole, and the heat of second heating chamber conducts to first oven heats through the heat conduction flue;
The hot cigarette of first heating chamber and second heating chamber is discharged through the hot cigarette outlet of burner and is got into heat storage, breathes one's last import by secondary combustion through the heat of burner again.
2. the silicon stove is efficiently refined in the combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas as claimed in claim 1 environmental protection and energy saving of strile-bacing, and it is characterized in that described burner comprises burner A and burner B, and described heat storage comprises heat storage A and heat storage B; Wherein burner A and burner B are respectively through heat storage A, reversing valve and heat storage B alternation; Burner A and burner B are provided with hot gas approach and hot exhanst gas outlet; Heat storage A and heat storage B are respectively equipped with hot gas approach and hot exhanst gas outlet, and wherein the hot smoke inlet of burner A and burner B and hot exhanst gas outlet connect reversing valve through hot gas approach and the hot exhanst gas outlet of burner A and burner B respectively.
3. the silicon stove is efficiently refined in the combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas as claimed in claim 1 environmental protection and energy saving of strile-bacing; It is characterized in that described burner comprises nozzle; This nozzle is provided with lighter for ignition, fuel inlet, hot gas approach, hot exhanst gas outlet and flange, and wherein hot exhanst gas outlet communicates with second heating chamber.
4. the silicon stove is efficiently refined in the combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas as claimed in claim 1 environmental protection and energy saving of strile-bacing, and it is characterized in that being provided with cold water channel in the described boiler face workplatform cools off the boiler face workplatform.
5. the silicon stove is efficiently refined in the combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas as claimed in claim 1 environmental protection and energy saving of strile-bacing, and it is characterized in that also being provided with on the described boiler face workplatform the second heating chamber explosive door, and this second heating chamber explosive door is communicated with second heating chamber.
6. the silicon stove is efficiently refined in the combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas as claimed in claim 1 environmental protection and energy saving of strile-bacing, and it is characterized in that also being provided with on the described flue the first heating chamber explosive door.
7. the silicon stove is efficiently refined in the combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas as claimed in claim 1 environmental protection and energy saving of strile-bacing; It is characterized in that described cyclone type vibration waste heat recovery fly-ash separator lower end is respectively equipped with connecing floss hole and connecing the settling tank mouth of connection flue and dedusting settling tank; Above connecing floss hole, be provided with the dedusting spray thrower; This fly-ash separator upper end be provided with connect dust settling chamber connect the dust settling chamber mouth; Also be provided with the preheated air outlet on fly-ash separator top, also be provided with preheated air import and vibrator in the fly-ash separator bottom.
8. the silicon stove is efficiently refined in the combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas as claimed in claim 1 environmental protection and energy saving of strile-bacing; It is characterized in that described heat conduction flue comprises melt crucible, heat conducting material courage body and top cover; Wherein melt crucible upper end connects heat conducting material courage body, and heat conducting material courage body upper end connects top cover through the boiler face workplatform.
9. the silicon stove is efficiently refined in the combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas as claimed in claim 1 environmental protection and energy saving of strile-bacing, and it is characterized in that described heat conduction flue top circumferential surface also is provided with the hand feed door.
10. the silicon stove is efficiently refined in the combustion gas electric arc dual-heating type accumulation of heat waste heat waste gas as claimed in claim 1 environmental protection and energy saving of strile-bacing, and the vergence direction of second-heating flame hole that it is characterized in that described inclination is for low in the aperture of first combustion chamber, and is high in the aperture of second combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201830336U CN202175560U (en) | 2011-06-01 | 2011-06-01 | Gas electric arc double heat type thermal storage waste heat waste gas backdraft environment protection energy conservation efficient silicon refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201830336U CN202175560U (en) | 2011-06-01 | 2011-06-01 | Gas electric arc double heat type thermal storage waste heat waste gas backdraft environment protection energy conservation efficient silicon refining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202175560U true CN202175560U (en) | 2012-03-28 |
Family
ID=45865455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201830336U Expired - Fee Related CN202175560U (en) | 2011-06-01 | 2011-06-01 | Gas electric arc double heat type thermal storage waste heat waste gas backdraft environment protection energy conservation efficient silicon refining furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202175560U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275927A (en) * | 2011-06-01 | 2011-12-14 | 邓小宝 | Environmentally-friendly energy-saving high-efficiency silicon smelting furnace capable of performing gas combustion heat accumulation utilizing electric arc dual heating and back combustion of exhaust containing residual heat |
| CN110343869A (en) * | 2019-08-09 | 2019-10-18 | 新乡市华瑞电源材料有限公司 | Communication type is electrolysed market pot and its application method |
| CN110345497A (en) * | 2019-07-11 | 2019-10-18 | 常州大恒环保科技有限公司 | A kind of rotary RTO of waste heat recycling |
-
2011
- 2011-06-01 CN CN2011201830336U patent/CN202175560U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275927A (en) * | 2011-06-01 | 2011-12-14 | 邓小宝 | Environmentally-friendly energy-saving high-efficiency silicon smelting furnace capable of performing gas combustion heat accumulation utilizing electric arc dual heating and back combustion of exhaust containing residual heat |
| WO2012163274A1 (en) * | 2011-06-01 | 2012-12-06 | Li Hengjie | Gas-burning and electric-arc dual-heating high-efficiency silicon refining furnace and heating method thereof |
| CN110345497A (en) * | 2019-07-11 | 2019-10-18 | 常州大恒环保科技有限公司 | A kind of rotary RTO of waste heat recycling |
| CN110345497B (en) * | 2019-07-11 | 2020-09-11 | 常州大恒环保科技有限公司 | Waste heat recovery's rotation type RTO |
| CN110343869A (en) * | 2019-08-09 | 2019-10-18 | 新乡市华瑞电源材料有限公司 | Communication type is electrolysed market pot and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101269919B (en) | Vertical kiln apparatus for materials calcination | |
| WO2015043296A1 (en) | Progressive-switching regenerative combustion apparatus and control method therefor | |
| CN101504144B (en) | Three-phase multi-functional mixed combustion furnace | |
| CN102275927A (en) | Environmentally-friendly energy-saving high-efficiency silicon smelting furnace capable of performing gas combustion heat accumulation utilizing electric arc dual heating and back combustion of exhaust containing residual heat | |
| CN205258015U (en) | Si liepu activation furnace | |
| CN101413041A (en) | Coal-based direct reduction iron rotary hearth furnace and combustion method thereof | |
| CN101294770A (en) | Crucible furnace for alloy melting and heat preservation | |
| CN202175560U (en) | Gas electric arc double heat type thermal storage waste heat waste gas backdraft environment protection energy conservation efficient silicon refining furnace | |
| CN102012029B (en) | Heat-storing combustion apparatus and biomass gas heating system | |
| CN202546737U (en) | Overhead type heat storage combustion system | |
| CN201053820Y (en) | Highly effective crucible furnace | |
| CN1710364A (en) | Heat-accumulating type metal magnesium reduction stove | |
| CN201487967U (en) | Flashback type garbage pyrolysis gasification incinerator | |
| CN2644901Y (en) | Integral boiler for converting coal into coal gas for combustion | |
| CN208562232U (en) | Solid waste medium temperature pyrocrack furnace | |
| CN201106843Y (en) | Fire coal clean-up combustion chain grate stove | |
| CN206787041U (en) | A kind of coal-fired coal-gasified hot-water boiler | |
| CN206648020U (en) | A kind of integrated biomass gasification fired boiler system | |
| CN201652323U (en) | Synchronous combustion chain furnace with function of full coal layer inflammation | |
| CN206269146U (en) | Radiant tube incinerator | |
| CN216845660U (en) | Novel multi-fuel high-temperature flue gas fluidized bed furnace | |
| CN201992656U (en) | Heat accumulation type burning device and biomass gas heating system | |
| CN2585046Y (en) | Combustion furnace using gas produced by coal | |
| CN203123958U (en) | Chemical reaction furnace utilizing solid fuel | |
| CN2733248Y (en) | Novel hot-water boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Deng Xiaobao Document name: Notification to Go Through Formalities of Registration |
|
| 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: 20120328 Termination date: 20130601 |