CN105588437A - Industrial furnace capable of achieving rapid temperature rise - Google Patents
Industrial furnace capable of achieving rapid temperature rise Download PDFInfo
- Publication number
- CN105588437A CN105588437A CN201610132821.XA CN201610132821A CN105588437A CN 105588437 A CN105588437 A CN 105588437A CN 201610132821 A CN201610132821 A CN 201610132821A CN 105588437 A CN105588437 A CN 105588437A
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- China
- Prior art keywords
- combustion chamber
- nozzle
- industrial furnace
- heating
- gas
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Furnace Details (AREA)
Abstract
An industrial furnace capable of achieving rapid temperature rise comprises a furnace body (1), a furnace door (2), a flue (3), a smoke outlet (4), a shell (5), a combustion chamber (6), a combustor (7) and an air inlet (8) and further comprises a preheating tube (10). The preheating tube (10) comprises a horizontal channel (101) and a vertical channel (102). The horizontal channel (101) is arranged in the flue (3). A gas curtain (12) is formed by gas sprayed out of the outlet end of the vertical channel (102), and the air inlet (8) is covered with the gas curtain (12). The combustion chamber (6) further comprises a first combustion chamber body (62) and a second combustion chamber body (63). Side wall openings (631) allowing gas to flow are formed in the side wall (630) of the second combustion chamber body. The heating furnace is provided with the combustion chamber and the gas curtain, so that heating speed in the initial heating process is increased, and the overall structure is simple.
Description
Technical field
The present invention relates to a kind of heating furnace, relate in particular to one for directly rising fast as thermal source with burnerThe industrial furnace of temperature.
Background technology
Industrial furnace has been widely used in many occasions as a kind of conventional industrial products, comprises electric furnace, heatingStove, biomass carbonizing furnace etc. In use, sometimes need some metal works to heat-treat,Heat source can be electrical heating, fuel Heating or gas heating in the prior art, and this industrial furnace comprises stove conventionallyBody 1 ', burner 7 ' and combustion chamber air intlet 601 ', be provided with in body of heater 1 ' and have heating space 90 'Closed container 9 ', pending object 91 ' is put into 90 ' and is heat-treated. In actual use,Burner 7 ' is arranged on a side of closed container 9 ' and carries out high-temperature heating, because it arranges problem, and burner 7 'Heating surface (area) (HS limited, especially in the process of initial heating, cause closed container 9 ' and high temperature heat source to connectTactile portion temperature is inhomogeneous, and in the process starting most, programming rate is slow, affects heat treated effect, so thatMetal heat treatmet effect is bad.
Summary of the invention
The object of the present invention is to provide a kind of heating furnace, this heating furnace is by combustion chamber and gas curtain are set,Improved the speed that heats in the time of initial heating and the temperature uniformity of follow-up heating, overall structure is simple.
In order to achieve the above object, the invention provides a kind of industrial furnace being rapidly heated, comprise body of heater, fire door,Flue, exhaust opening, housing, combustion chamber, burner and air inlet, described fire door can open or close, described inHousing comprises sidewall, opening and spatial accommodation, and described burner combustion produces high-temperature flue gas to described housing contentThe heating clamber in space received carries out heat treated, and described combustion chamber comprises combustion space, described in described burner is positioned atCombustion space; Described air inlet is positioned at the rear side of described combustion space the combustion chamber air intake with described combustion spaceMouth communicates; Also comprise economizer bank, one end economizer bank import of described economizer bank is arranged on body of heater outside, its anotherEnd is positioned at described air inlet one end, and this economizer bank comprises horizontal channel and Vertical Channel, and this horizontal channel is arranged onIn described flue; The gas of the port of export ejection of described Vertical Channel forms gas curtain, and this gas curtain coversAir inlet is stated in residence, and can will after outside air heat, enter in described air inlet; Described high-temperature flue gas warpFlue flows out and is discharged by exhaust opening; Described combustion chamber also comprises the first combustion chamber and the second combustion chamber, describedThe sidewall opening that the supplied gas that offers the sidewall of two combustion chambers flows through, the front of described the second combustion chamber offers topPortion's opening, the front of described the second combustion chamber offers open top.
The beneficial effect of the technical program:
(1) compared with prior art, the present invention is provided with economizer bank, can be by economizer bank in combustion spaceFor fuel or air, realize dual-purpose; In the time that body of heater needs postcombustion, can provide postcombustion to it, withThis also can pass into air, oxygen or other gas supports burning simultaneously. Meanwhile, this gas forms gasHeavy curtain, this gas curtain can heat the gas temperature that is about to enter described air inlet, has increased the heat profit of systemBy rate.
(2) compared with prior art, in the present invention in initial heating process, burner combustion produce heightTemperature flue gas and the air that is preheated enter and enter the second combustion chamber behind the first combustion chamber and carry out secondary firing, finally bySidewall opening and open top are discharged heating clamber are heated, after secondary firing, and more the filling of fuel gas buringPoint, and the radius difference of two-stage combustion chamber, it can increase the time of staying of flue gas in combustion chamber, thereinForm mixed flow to a certain degree, after again by shunting, its flow velocity is even, makes high-temperature flue gas be divided into two-way right respectivelyHeating is distinguished in heating clamber sidewall and diapire centre, shows through test card, and its initial programming rate is more existingThere is technology to improve a lot.
As a kind of embodiment, described vertical pipeline comprises transition bend pipe and shower nozzle, described shower nozzle and described waterFlat passage is angle setting towards body of heater direction. When work, gas is along the ejection of gradient direction, towards air inletWith certain speed operation, form in its vicinity negative pressuren zone, the gas of air inlet enters fast under the effect of negative pressuren zoneEnter support heat supply in combustion chamber.
As a kind of embodiment, described wireway comprises the first wireway and the second wireway, and described first leadsThe setting of staggering up and down of tracheae and the second wireway, and its port of export is corresponding arranges and form the first gas curtain and theTwo gas curtains. The first gas curtain and the second gas curtain can increase wide at horizontal direction of gas curtainSpend, strengthened the result of use of gas curtain.
As a kind of embodiment, described heating clamber has heating space, and the material of described processing to be heated is placed inIn described heating space. Described heating space exchanges as confined space with the external world's not air inlet body in the course of the work,Material carries out high-temperature heating therein, and this material can be metal, can certainly be nonmetal, as living beingsStalk, mud, oily sludge, spoil, Biohazard Waste etc. need to be carried out the material of high-temperature process.
As a kind of embodiment, described sidewall opening is circular hole or groove.
As a kind of embodiment, described burner is neat gas burner, in the nozzle of described burner, arrangesThere is a baffle plate to be divided into the first nozzle and second nozzle. The fuel flow rate of the first nozzle will be lower than second nozzle,In this kind of situation, the flame profile of burner is more stable, and its fan-shaped radius that burns is higher, and is difficult for putting outFire.
As a kind of embodiment, also comprise postcombustion pipe, described postcombustion pipe is arranged in described nozzleHeart position, its outer wall is provided with spoiler, and this spoiler is positioned at the front of described baffle plate, described mistAfter spoiler cutting, flow into respectively the first nozzle and second nozzle; This postcombustion pipe can carry out suitable benefitHeat, improves the continuity of heat supply.
As a kind of embodiment, the radial height h1 of described spoiler is radially high lower than described second nozzleDegree h2, and the ratio of described h1 and h2 is 1/3～2/3. Spoiler can control preferably under this stateThe ratio range of one nozzle and second nozzle fuel flow rate, makes its result of use better.
Brief description of the drawings
For the technical scheme of the clearer explanation embodiment of the present invention, required in describing embodiment belowThe accompanying drawing using is briefly described, and apparently, accompanying drawing described below is only realities more of the present inventionExecute example, for those of ordinary skill in the art, not paying under the prerequisite of creative work, all rightObtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of heating furnace prior art;
Fig. 2 is the structural representation of the industrial furnace that is rapidly heated of embodiment mono-;
Fig. 3 is the structural representation of the industrial furnace economizer bank that is rapidly heated of embodiment mono-;
Fig. 4 is the structural representation of embodiment mono-combustion chamber;
Fig. 5 is the structural representation of embodiment mono-another embodiment of combustion chamber;
Fig. 6 is the structural representation of embodiment mono-biomass burner nozzle;
Fig. 7 is the structural representation of embodiment mono-another view direction of biomass burner nozzle;
Fig. 8 is the structural representation of another embodiment of biomass burner nozzle;
Fig. 9 is the structural representation of the water back of embodiment mono-;
Figure 10 is the interior temperature heating rate figure of the heating space of embodiment mono-.
Figure 11 is the structural representation of another embodiment of gas-fired heater wireway;
Figure 12 is another embodiment partial view of gas-fired heater wireway.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is illustrated clearly and completely.
Embodiment mono-
Fig. 1 is the overall structure schematic diagram of heating furnace prior art; Fig. 2 is the heating that is rapidly heated of embodiment mono-The structural representation of stove; Fig. 3 is the structural representation of the heating furnace heat pipe that is rapidly heated of embodiment mono-; Fig. 4For the structural representation of embodiment mono-combustion chamber; Fig. 5 is the structural representation of embodiment mono-another embodiment of combustion chamberFigure; Fig. 6 is the structural representation of embodiment mono-biomass burner nozzle; Fig. 7 is embodiment mono-biomass fuelThe structural representation of another view direction of burner nozzle; Fig. 8 is the knot of another embodiment of biomass burner nozzleStructure schematic diagram; Fig. 9 is the structural representation of the circulating water pipeline of embodiment mono-; Figure 10 is adding of embodiment mono-Temperature heating rate figure in heat space.
As shown in Figure 2, a kind of gas-fired heater, comprises body of heater 1, fire door 2, flue 3, exhaust opening 4, shellBody 5, combustion chamber 6, burner 7 and air inlet 8, described fire door 2 can open or close, described housing 5Comprise sidewall 50, opening 51 and spatial accommodation 52, described burner 7 burnings produce high-temperature flue gas to described shellThe heating clamber 9 of the interior spatial accommodation 52 of body 5 carries out heat treated, and described combustion chamber 6 comprises combustion space 60,Described burner 7 is positioned at described combustion space 60; Described air inlet 8 is positioned at the rear side of described combustion space 60And communicate with the combustion chamber air inlet 601 of described combustion space 60.
As shown in Figures 2 and 3, also comprise economizer bank 10, one end economizer bank import 100 of described economizer bank 10Be arranged on body of heater 1 outside, its other end is positioned at described air inlet 8 one end, and this economizer bank 10 comprises that level is logicalRoad 101 and Vertical Channel 102, this horizontal channel 101 is arranged in described flue 3; Described Vertical Channel 102The gas of port of export ejection form gas curtain 12, this gas curtain 12 covers described air inlet 8, andCan will after outside air heat, enter in described air inlet 8; The outlet 612 of described loudspeaker is in radial directionLength value d1 is greater than the radical length value d2 of described heating clamber 9; Described high-temperature flue gas through flue 3 flow out and byExhaust opening 4 is discharged. Wherein, described economizer bank 10 comprises the first economizer bank 103 and the second economizer bank 104,The setting of staggering up and down of described the first economizer bank 103 and the second economizer bank 104, and its port of export is corresponding arranges and shapeBecome the first gas curtain 121 and the second gas curtain 122. Wherein, described heating clamber 9 has heating space 90,The material of described processing to be heated is placed in described heating space 90.
As shown in Figures 4 and 5, described combustion chamber 6 also comprises the first combustion chamber 62 and the second combustion chamber 63,The sidewall opening 631 that the supplied gas that offers the sidewall 630 of described the first combustion chamber flows through, described the second combustion chamber63 front offers open top 632.
In the present embodiment, described sidewall opening 631 is circular hole or groove, certainly in the time that sidewall opening is circular hole,When airflow, it is more evenly compared with groove; But the processing of grooved hole is comparatively simple, and cost is low.
As shown in Figure 6, wherein, described burner 7 is neat gas burner, the nozzle of described burner 7In 70, be provided with a baffle plate 71 and be divided into the first nozzle 72 and second nozzle 73. Also comprise postcombustion pipe74, described postcombustion pipe 74 is positioned at the center position of described nozzle 70, and its outer wall is provided with spoiler75, this spoiler 75 is positioned at the front of described baffle plate 71, and described mist divides after spoiler 75 cuttingsDo not flow into the first nozzle 72 and second nozzle 73. Wherein, the radial height h1 of described spoiler 75 is lower than instituteState the radial height h2 of second nozzle 73, and the ratio of described h1 and h2 is 2/3, this ratio can root certainlyAccording to actual conditions adjustment, ratio is less, and the air-flow of the second nozzle 73 of flowing through is larger, and fuel is more sufficient, its burningThe temperature of device flame kernel is higher; Ratio is larger, and the air-flow velocity of the second nozzle 73 of flowing through reduces relatively, canWhile according to circumstances regulating adjusted different fuel, the stability of flame.
As shown in Figure 7, the setting of staggering of described baffle plate 71, baffle plate 71 is fixedly installed on described postcombustion pipeOn 74. As shown in Figure 8, the tapered structure of described baffle plate 71, this pyramidal structure can be adjusted the flow velocity of air-flow,,Can select pyramidal structure or column construction according to actual conditions. As shown in Figure 9, also comprise water back 20,This water back 20 is arranged in described flue 3, and the water in water back 20 or other liquid are heated to be realizedThe recycling of flue gas heat.
Certainly, as shown in FIG. 11 and 12, described vertical pipeline 102 comprises transition bend pipe 1020 and shower nozzle1021, described shower nozzle 1021 is angle setting with described horizontal channel 101 towards body of heater direction. Described firstThe setting of staggering up and down of wireway 103 and the second wireway 104, and its port of export is corresponding arranges and form the first gasBody heavy curtain 121 and the second gas curtain 122; This gas curtain has the consistent direction of motion, can be at air inletThe anterior negative pressure region that forms, gas can be fast by and enter and in combustion chamber, support burning.
In actual use procedure, inventor is provided with temp probe in heating space, and Figure 10 is for implementingThe heating space temperature heating rate figure of example one, as shown in figure 10, in the situation that uses essentially identical fuelUnder, using its heating curve of the technical program is b line, compares compared with prior art a line, its programming rate is very fast.
The above be only preferably detailed description of the invention of the present invention, but protection scope of the present invention is not limited toIn this, any be familiar with those skilled in the art the present invention disclose technical scope in, can expect easilyUtilize rotation thermal decomposition coke oven of the present invention, within all protection scope of the present invention should being encompassed in. Therefore,Protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (9)
1. the industrial furnace that can be rapidly heated, comprises body of heater (1), fire door (2), flue (3), exhaust opening(4), housing (5), combustion chamber (6), burner (7) and air inlet (8), described fire door (2) can be beatenOpen or close and close, described housing (5) comprises sidewall (50), opening (51) and spatial accommodation (52), described inBurner (7) burning produces the heating clamber (9) of high-temperature flue gas to the interior spatial accommodation of described housing (5) (52)Carry out heat treated, it is characterized in that, described combustion chamber (6) comprise combustion space (60), described burner(7) be positioned at described combustion space (60); Described air inlet (8) be positioned at described combustion space (60) afterSide also communicates with the combustion chamber air inlet (601) of described combustion space (60); Also comprise economizer bank (10),One end economizer bank import (100) of described economizer bank (10) is arranged on body of heater (1) outside, its other end positionIn described air inlet (8) one end, this economizer bank (10) comprises horizontal channel (101) and Vertical Channel (102),This horizontal channel (101) is arranged in described flue (3); The port of export spray of described Vertical Channel (102)The gas going out forms gas curtain (12), and this gas curtain (12) covers described air inlet (8), and canTo after outside air heat, enter in described air inlet (8); Described high-temperature flue gas flows out through flue (3)And discharged by exhaust opening (4); Described combustion chamber (6) also comprises the first combustion chamber (62) and the second combustion chamber(63), the sidewall of described the second combustion chamber (631) offers the sidewall opening (631) that supplied gas flows through, instituteThe front of stating the second combustion chamber (63) offers open top (632).
2. efficient heating stove according to claim 1, is characterized in that, described vertical pipeline (102)Comprise transition bend pipe (1020) and shower nozzle (1021), described shower nozzle (1021) and described horizontal channel (101)Be angle setting towards body of heater direction.
3. the industrial furnace being rapidly heated according to claim 1, is characterized in that, described economizer bank (10)Comprise the first economizer bank (103) and the second economizer bank (104), described the first economizer bank (103) and second is ledEconomizer bank (104) setting of staggering up and down, and its port of export is corresponding arranges and form the first gas curtain (121)With the second gas curtain (122).
4. the industrial furnace being rapidly heated according to claim 1, is characterized in that, described heating clamber (9)Have heating space (90), the material of described processing to be heated is placed in described heating space (90).
5. the industrial furnace being rapidly heated according to claim 1, is characterized in that, also comprises heating unitPart (13), described heating element heater (13) is positioned at described cone space (613).
6. the industrial furnace being rapidly heated according to claim 1, is characterized in that, described sidewall opening(631) be circular hole or groove.
7. according to the arbitrary described industrial furnace being rapidly heated of claim 1 to 6, it is characterized in that, described inBurner (7) is burner, and in the nozzle (70) of described burner (7), being provided with a baffle plate (71) willIt is divided into the first nozzle (72) and second nozzle (73).
8. the industrial furnace being rapidly heated according to claim 7, is characterized in that, also comprises and supplements combustionMaterial pipe (74), described postcombustion pipe (74) is positioned at the center position of described nozzle (70), its outer wallBe provided with spoiler (75), this spoiler (75) is positioned at the front of described baffle plate (71), described gaseous mixtureBody flows into respectively the first nozzle (72) and second nozzle (73) after spoiler (75) cutting.
9. the industrial furnace being rapidly heated according to claim 8, is characterized in that, described spoiler (75)Radial height h1 lower than the radial height h2 of described second nozzle (73), and the ratio of described h1 and h2Be 1/3～2/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132821.XA CN105588437B (en) | 2016-03-09 | 2016-03-09 | A kind of industrial furnace being rapidly heated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132821.XA CN105588437B (en) | 2016-03-09 | 2016-03-09 | A kind of industrial furnace being rapidly heated |
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| Publication Number | Publication Date |
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| CN105588437A true CN105588437A (en) | 2016-05-18 |
| CN105588437B CN105588437B (en) | 2017-12-01 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1321926A (en) * | 1970-07-10 | 1973-07-04 | Tokyo Gas Co Ltd | High velocity gas burner and heating furnace provided with such a gas burner |
| US4214866A (en) * | 1978-12-06 | 1980-07-29 | Midland-Ross Corporation | Burner for high temperature combustion air |
| JP2005164095A (en) * | 2003-12-01 | 2005-06-23 | Shinodaya:Kk | Smoking exhaust gas utilizing method |
| CN102269408A (en) * | 2011-05-18 | 2011-12-07 | 威海正通节能科技有限公司 | High-efficiency and energy-saving combustor assembly |
| CN103343969A (en) * | 2013-07-30 | 2013-10-09 | 刘仁昌 | Energy-efficient environment-friendly preheating inner flame type burner |
| CN104359112A (en) * | 2014-11-28 | 2015-02-18 | 合肥工业大学 | High-temperature incinerator combustion hood air curtain protection system |
| CN205825709U (en) * | 2016-03-09 | 2016-12-21 | 浙江尚鼎工业炉有限公司 | A kind of industrial furnace being rapidly heated |
-
2016
- 2016-03-09 CN CN201610132821.XA patent/CN105588437B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1321926A (en) * | 1970-07-10 | 1973-07-04 | Tokyo Gas Co Ltd | High velocity gas burner and heating furnace provided with such a gas burner |
| US4214866A (en) * | 1978-12-06 | 1980-07-29 | Midland-Ross Corporation | Burner for high temperature combustion air |
| JP2005164095A (en) * | 2003-12-01 | 2005-06-23 | Shinodaya:Kk | Smoking exhaust gas utilizing method |
| CN102269408A (en) * | 2011-05-18 | 2011-12-07 | 威海正通节能科技有限公司 | High-efficiency and energy-saving combustor assembly |
| CN103343969A (en) * | 2013-07-30 | 2013-10-09 | 刘仁昌 | Energy-efficient environment-friendly preheating inner flame type burner |
| CN104359112A (en) * | 2014-11-28 | 2015-02-18 | 合肥工业大学 | High-temperature incinerator combustion hood air curtain protection system |
| CN205825709U (en) * | 2016-03-09 | 2016-12-21 | 浙江尚鼎工业炉有限公司 | A kind of industrial furnace being rapidly heated |
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| Publication number | Publication date |
|---|---|
| CN105588437B (en) | 2017-12-01 |
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Effective date of registration: 20191204 Address after: 314300 No. 58, Wangzhuang Section, No. 01 Provincial Road, Haiyan Economic Development Zone, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Ansheng Automobile Parts Co., Ltd. Address before: 313100, Zhejiang, Huzhou Changxing County forest town industrial concentration area Patentee before: Zhejiang Shangding Industrial Furnace Co., Ltd. |
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