CN105509457A - Multielement recirculation furnace with function of waste gas backdraft incineration - Google Patents
Multielement recirculation furnace with function of waste gas backdraft incineration Download PDFInfo
- Publication number
- CN105509457A CN105509457A CN201610048319.0A CN201610048319A CN105509457A CN 105509457 A CN105509457 A CN 105509457A CN 201610048319 A CN201610048319 A CN 201610048319A CN 105509457 A CN105509457 A CN 105509457A
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- China
- Prior art keywords
- waste gas
- heating head
- heater
- furnace
- strile
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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
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
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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
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/02—Heating arrangements using combustion heating
- F26B23/022—Heating arrangements using combustion heating incinerating volatiles in the dryer exhaust gases, the produced hot gases being wholly, partly or not recycled into the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Environmental & Geological Engineering (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention belongs to the technical field of environment-friendly coating facilities and relates to a multielement recirculation furnace with a function of waste gas backdraft incineration. A heating head is arranged on one side of a recirculation furnace body, and a furnace top chamber and a waste gas backdraft blower are arranged above the furnace body. Circulating fans are mounted on two sides of the bottom of the heating head respectively, and an air return pipe is arranged on the upper portion of the furnace body and communicated with the upper portion of the heating head. A heat exchange cylinder externally sleeves a combustion chamber which is arranged on one side of the middle portion of the heating head, the heat exchange cylinder is communicated with one end of a horizontal tubular heat exchanger on the upper portion of the heating head, and the other end of the horizontal tubular heat exchanger is communicated with an inlet of a waste gas exhaust fan. An inlet of the waste gas backdraft blower is communicated with the furnace top chamber, and an outlet of the waste gas backdraft blower is connected to a position, corresponding to the combustion chamber, of the heat exchange cylinder through a connection pipe. The multielement recirculation furnace with the function of waste gas backdraft incineration has the advantages that the waste gas is preheated and incinerated completely prior to emission, so that the requirement on environment friendliness can be met; heat generated in incineration can be used for heat exchange of hot air circulation, combustible components in the waste gas are used effectively, and energy-saving effects are achieved.
Description
Technical field
The present invention relates to a kind of waste gas to strile-back burning recirculation furnace, especially a kind of comprehensive utilization coating paint drying tunnel, levelling room exhaust treatment system, belong to application technical field of environmental protection facilities.
Background technology
To spray paint and levelling, especially drying course afterwards can volatilize a large amount of organic exhaust gas.Discharging after being burned by these organic exhaust gas, is the main behave avoiding atmosphere pollution at present again.
Retrieve known, application number be 200420024060.9 Chinese patent disclose a kind of waste gas combustion furnace, this incinerator comprises the housing of coated heat-insulation layer, in described housing, combustion chamber is housed, install combustion device on the housing of described combustion chamber entrance point, wherein the other end of combustion chamber leads to the exhaust outlet of the housing other end through tubulation, and the exhaust gas inlet on housing leads to combustion chamber import by the cavity volume between each tubulation wall and the cavity volume between inner walls and outer wall of combustion chamber.Although this patented technology achieves with the pending waste gas of combustion heat energy preheating with comparatively simple structure, therefore both Appropriate application heat energy contribute to ensureing waste gas burning treatment effect, raise the efficiency, again reduce the temperature of emission gases, but it is difficult to directly and the firing equipment of drying oven organically combines, because organic exhaust gas needs to carry out heat exchange preheating around tubulation, discharge after being mixed into combustion chambers burn with combustion gas or fuel oil again, fail, for the heating of drying plant, to be therefore unfavorable for energy-conservation.
Summary of the invention
The object of the invention is to: the defect existed for above-mentioned prior art, a kind of burning recirculation furnace that strile-backd by the polyploid waste gas that burned waste gas and drying plant thermal source organically combine is proposed, thus not only meet environmental requirement, and effectively utilize the combustible component in organic exhaust gas.
In order to reach above object, polyploid waste gas of the present invention strile-backs and burns the basic technical scheme of recirculation furnace and be: comprise the body of heater be made up of insulation furnace wall, the side of described body of heater arranges the heating head with heat insulation wall, and the top of described body of heater is provided with the furnace roof room that is communicated with it and settles waste gas to strile-back pressure fan; The two bottom sides of described heating head settles the circulating fan that air inlet is relative each other respectively, the air outlet of two circulating fans is communicated with towards body of heater with the discharge pipe of body of heater two side bottom respectively, the top of the contiguous heating head side of described body of heater is provided with backwind tube, and described backwind tube is communicated with the top of heating head by the return air hole at body of heater top; The combustion chamber that combustor of jetting with outer horizontal is communicated with is equipped with in the side, middle part of described heating head, described combustion outer case has the heat exchanger tube of horizontal-extending, described heat exchanger tube is communicated with the one end of the horizontal row heat exchange of heat pipe being positioned at heating head top away from one end of combustion chamber, and the other end of described tubular heat exchanger is by pipeline and be placed in the inlet communication that the waste gas heated on the crown discharges blower fan; The strile-back import of pressure fan of described waste gas is communicated with furnace roof room, and described waste gas strile-backs the outlet of pressure fan by being connected to the position of heat exchanger tube respective combustion chamber.
During work, the fuel of combustor ejection produces heat in combustion chamber combustion, and the extension flame level of burning is extended down to the extension of heat exchanger tube.The organic exhaust gas of painting workpieces drying course enters furnace roof room, is evacuated to annular space between heat exchanger tube and combustion chamber, is preheated, then flows to the extension of heat exchanger tube, add extension flame combustion in this space by waste gas pressure fan of strile-bacing; High-temperature gas is by after tubular heat exchanger heat exchange afterwards, discharges blower fan pump drainage by waste gas; Meanwhile, hot air circulation blower constantly by being entered by heating head top, successively through tubular heat exchanger gap, the hot-air that adds of heat exchanger tube periphery delivers to bottom of furnace body, by in discharge pipe input body of heater, enter heating head top by backwind tube and return air inlet again, formed and keep the uniform circulating air of furnace temperature.
As can be seen here, hot air circulation and waste gas exhaust runner due to scientific design of the present invention reasonable distribution heat exchange area, therefore not only by discharged in burning abundant after heating by the exhaust gases, environmental requirement can be met, and the heat produced when burning is also for the heat exchange of hot air circulation, effectively make use of the combustible component in organic exhaust gas, there is significant energy-saving effect.
It is that the breather pipe be derived between levelling is equipped with in described furnace roof room that the present invention further improves.Like this, the organic exhaust gas that by simple connectivity structure, levelling can be volatilized and the organic exhaust gas burning disposal in the lump of body of heater.
Further, the top of the contiguous heating head side of described body of heater is provided with the backwind tube of triangular-section.
Further, the top of described heating head higher than the top of body of heater, and extends to backwind tube top above body of heater, and described backwind tube is directly communicated with the top of heating head by the return air hole at body of heater top.
Further, described combustion outer case has the heat exchanger tube of horizontal-extending after undergauge, and described heat exchanger tube is in the ladder tubular surrounding combustion chamber large footpath section and horizontal-extending path section and form.
Further, described waste gas discharges the outlet of blower fan by being equipped with the airduct discharge of stainless steel recirculated water chuck.
Further, the water conservancy diversion that the height between described heating head respective column heat exchange of heat pipe and heat exchanger tube has trapezoid cross section is protruding.
Further, the annular region between described heat exchanger tube large footpath section and outer wall of combustion chamber forms helical flow path, and described adapter and helical flow path tangentially access along the spiral of helical flow path.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the sectional structure schematic diagram of Fig. 1 heating head part.
Detailed description of the invention
Embodiment one
The polyploid waste gas of the present embodiment strile-backs and burns recirculation furnace basic structure as depicted in figs. 1 and 2, the body of heater 10 of square-section is surrounded by insulation furnace wall 10-1, the side of this body of heater 10 arranges the disjunctor heating head 2 with heat insulation wall, the top of this body of heater 10 is provided with the furnace roof room 11 be communicated with it, and is mounted with waste gas and strile-backs pressure fan 8.Furnace roof room 11 is built with the breather pipe 9 be derived between levelling.The two bottom sides of heating head 2 settle respectively the air outlet of circulating fan 7, two circulating fan 7 that air inlet is relative each other respectively towards body of heater 10 and and the body of heater two side bottom discharge pipe 10-2 that is provided with interval air door 10-3 be communicated with.The top of the contiguous heating head side of body of heater 10 is provided with the backwind tube 10-4 of triangular-section, because heating head 2 top extends to backwind tube 10-4 top higher than the top of body of heater 10 above body of heater 10, therefore backwind tube 10-5 is directly communicated with the top of heating head 2 by the return air hole 10-5 at body of heater 10 top, not only structure is simple and direct, and high insulating effect.The stainless steel combustion chamber 4 that proportion expression combustor 6 of jetting with outer horizontal is communicated with is equipped with by support 5 in the side, middle part of heating head 2, this combustion chamber 4 overcoat has the heat exchanger tube 13 of horizontal-extending after undergauge, therefore this heat exchanger tube 13 is in the ladder tubular surrounding the large footpath section in combustion chamber 4 and horizontal-extending path section formation, thus heating by the exhaust gases and hot air heat exchange is rationally separated.Height between heating head 2 respective column heat exchange of heat pipe 14 and heat exchanger tube 13 has the protruding 10-6 of water conservancy diversion of trapezoid cross section, can play the effect of deflecting air ring around heat exchanger tube 13.Heat exchanger tube 13 is communicated with the one end of the horizontal row heat exchange of heat pipe 14 being positioned at heating head 2 top away from one end of combustion chamber 4, the other end of tubular heat exchanger 14 is by pipeline and the inlet communication being placed in waste gas that heating head 2 pushes up and discharging blower fan 1, the outlet that this waste gas discharges blower fan 1 is discharged by the airduct that stainless steel recirculated water chuck is housed, and therefore the waste heat burning rear waste gas can be converted into hot water and be used.The strile-back import of pressure fan 8 of waste gas is communicated with furnace roof room 11, and the strile-back outlet of pressure fan 8 of this waste gas is connected to the large footpath fragment position of heat exchanger tube 13 respective combustion chamber 4 by adapter 3.
During work, the fuel of combustor ejection produces heat in combustion chamber combustion, and the extension flame level of burning is extended down to the path section of heat exchanger tube, and the hot gas after burning enters tubular heat exchanger.The air on heating head top is entered under the swabbing action of hot air circulation blower by backwind tube and return air inlet, first through the gap heat exchange of tubular heat exchanger, heat up around the peripheral heat exchange further of heat exchanger tube again, bottom of furnace body is sent into afterwards by hot air circulation blower, by in discharge pipe input body of heater, formed and workpiece dried and keeps the uniform circulating air of furnace temperature.Meanwhile, the organic exhaust gas of painting workpieces drying course and the organic exhaust gas of levelling process volatilization before enter furnace roof room, annular space between heat exchanger tube large footpath section and combustion chamber is evacuated to by waste gas pressure fan of strile-bacing, in this space by effective preheating, then the path section that heat exchanger tube extends is flowed to, add and extend flame Thorough combustion, be cracked into free of contamination carbon dioxide and hydrone, finally discharged by toxic emission blower fan.
In a word, the present embodiment makes fuel add thermogenetic heat and is passed to furnace interior through hot air circulation blower filter, forms hot air circulation, makes furnace interior furnace temperature uniformity.Levelling room is after the preliminary preheating in furnace roof room still with uniform temperature, and the organic exhaust gas produced with body of heater delivers to the section preheating of heat exchanger tube large footpath by waste gas pressure fan of strile-bacing, then is discharged by burning.
In addition to the implementation, the present invention can also have other embodiments.Such as, annular region between the large footpath section 13-1 of heat exchanger tube and combustion chamber 4 outer wall forms helical flow path, adapter 3 tangentially accesses with the spiral of helical flow path along helical flow path, and therefore organic exhaust gas is by the more abundant preheating of helical flow path, to reach the object of more fully burning.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (8)
1. a polyploid waste gas strile-backs burning recirculation furnace, comprise the body of heater be made up of insulation furnace wall, the side of described body of heater arranges the heating head with heat insulation wall, it is characterized in that: the top of described body of heater is provided with the furnace roof room that is communicated with it and settles waste gas to strile-back pressure fan; The two bottom sides of described heating head settles the circulating fan that air inlet is relative each other respectively, the air outlet of two circulating fans is communicated with towards body of heater with the discharge pipe of body of heater two side bottom respectively, the top of the contiguous heating head side of described body of heater is provided with backwind tube, and described backwind tube is communicated with the top of heating head by the return air hole at body of heater top; The combustion chamber that combustor of jetting with outer horizontal is communicated with is equipped with in the side, middle part of described heating head, described combustion outer case has the heat exchanger tube of horizontal-extending, described heat exchanger tube is communicated with the one end of the horizontal row heat exchange of heat pipe being positioned at heating head top away from one end of combustion chamber, and the other end of described tubular heat exchanger is by pipeline and be placed in the inlet communication that the waste gas heated on the crown discharges blower fan; The strile-back import of pressure fan of described waste gas is communicated with furnace roof room, and described waste gas strile-backs the outlet of pressure fan by being connected to the position of heat exchanger tube respective combustion chamber.
2. polyploid waste gas according to claim 1 strile-backs burning recirculation furnace, it is characterized in that: the breather pipe be derived between levelling is equipped with in described furnace roof room.
3. polyploid waste gas according to claim 2 strile-backs burning recirculation furnace, it is characterized in that: the top of the contiguous heating head side of described body of heater is provided with the backwind tube of triangular-section.
4. polyploid waste gas according to claim 3 strile-backs burning recirculation furnace, it is characterized in that: the top of described heating head is higher than the top of body of heater, and backwind tube top is extended to above body of heater, described backwind tube is directly communicated with the top of heating head by the return air hole at body of heater top.
5. polyploid waste gas according to claim 4 strile-backs burning recirculation furnace, it is characterized in that: described combustion outer case has the heat exchanger tube of horizontal-extending after undergauge, described heat exchanger tube is in the ladder tubular surrounding combustion chamber large footpath section and horizontal-extending path section and form.
6. polyploid waste gas according to claim 5 strile-backs burning recirculation furnace, it is characterized in that: the outlet that described waste gas discharges blower fan is discharged by the airduct that stainless steel recirculated water chuck is housed.
7. polyploid waste gas according to claim 6 strile-backs burning recirculation furnace, it is characterized in that: the water conservancy diversion that the height between described heating head respective column heat exchange of heat pipe and heat exchanger tube has trapezoid cross section is protruding.
8. polyploid waste gas according to claim 7 strile-backs burning recirculation furnace, it is characterized in that: the annular region between described heat exchanger tube large footpath section and outer wall of combustion chamber forms helical flow path, described adapter and helical flow path tangentially access along the spiral of helical flow path.
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CN201610048319.0A CN105509457B (en) | 2016-01-22 | 2016-01-22 | A kind of polyploid waste gas strile-backs burning recirculation furnace |
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CN201610048319.0A CN105509457B (en) | 2016-01-22 | 2016-01-22 | A kind of polyploid waste gas strile-backs burning recirculation furnace |
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CN105509457B CN105509457B (en) | 2017-09-19 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106839418A (en) * | 2017-02-16 | 2017-06-13 | 南通辰洋自动化设备有限公司 | One kind dipping environment-friendly and energy-efficient hot-blast stove and its method of work |
CN106871616A (en) * | 2017-01-16 | 2017-06-20 | 东莞市力信自动喷涂设备有限公司 | A kind of battery pole piece baking oven of energy-saving, environment-friendly and high-efficiency rate |
CN108253777A (en) * | 2018-03-15 | 2018-07-06 | 杨支钢 | Cigarette fruit betel nut toasts tail fume treating device |
CN110030735A (en) * | 2019-05-09 | 2019-07-19 | 山东宝嘉龙热能科技有限公司 | Condensing gas blower fan group |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US4255132A (en) * | 1979-09-12 | 1981-03-10 | Schweitzer Industrial Corp. | Incinerator-heater system |
US4771707A (en) * | 1983-05-12 | 1988-09-20 | Haden Schweitzer Corporation | Fume incineration system for paint drying oven |
CN2694120Y (en) * | 2004-01-07 | 2005-04-20 | 历升涂装设备(南京)有限公司 | Exhaust incinerator |
JP2007162995A (en) * | 2005-12-12 | 2007-06-28 | Parker Engineering Kk | Coat baking drying furnace |
CN101829649A (en) * | 2010-05-26 | 2010-09-15 | 浙江华立涂装设备有限公司 | Drying oven for spraying |
CN204717699U (en) * | 2015-06-09 | 2015-10-21 | 天津市中捷实业发展有限公司 | A kind of burned waste gas device |
CN205332771U (en) * | 2016-01-22 | 2016-06-22 | 历升涂装设备(南京)有限公司 | Polyploid waste gas strile -backs and burns heated air circulation stove |
-
2016
- 2016-01-22 CN CN201610048319.0A patent/CN105509457B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4255132A (en) * | 1979-09-12 | 1981-03-10 | Schweitzer Industrial Corp. | Incinerator-heater system |
US4771707A (en) * | 1983-05-12 | 1988-09-20 | Haden Schweitzer Corporation | Fume incineration system for paint drying oven |
CN2694120Y (en) * | 2004-01-07 | 2005-04-20 | 历升涂装设备(南京)有限公司 | Exhaust incinerator |
JP2007162995A (en) * | 2005-12-12 | 2007-06-28 | Parker Engineering Kk | Coat baking drying furnace |
CN101829649A (en) * | 2010-05-26 | 2010-09-15 | 浙江华立涂装设备有限公司 | Drying oven for spraying |
CN204717699U (en) * | 2015-06-09 | 2015-10-21 | 天津市中捷实业发展有限公司 | A kind of burned waste gas device |
CN205332771U (en) * | 2016-01-22 | 2016-06-22 | 历升涂装设备(南京)有限公司 | Polyploid waste gas strile -backs and burns heated air circulation stove |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106871616A (en) * | 2017-01-16 | 2017-06-20 | 东莞市力信自动喷涂设备有限公司 | A kind of battery pole piece baking oven of energy-saving, environment-friendly and high-efficiency rate |
CN106839418A (en) * | 2017-02-16 | 2017-06-13 | 南通辰洋自动化设备有限公司 | One kind dipping environment-friendly and energy-efficient hot-blast stove and its method of work |
CN108253777A (en) * | 2018-03-15 | 2018-07-06 | 杨支钢 | Cigarette fruit betel nut toasts tail fume treating device |
CN110030735A (en) * | 2019-05-09 | 2019-07-19 | 山东宝嘉龙热能科技有限公司 | Condensing gas blower fan group |
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Effective date of registration: 20220715 Address after: Room 901, unit 3, Tongjin building, No. 198 Hexi street, Jianye District, Nanjing, Jiangsu 210019 Patentee after: Mingquan Lisheng coating engineering (Nanjing) Co.,Ltd. Address before: Room 606, building 01, No. 313, Jiangdong Middle Road, Jianye District, Nanjing, Jiangsu 210019 Patentee before: LIHSHENG COATING EQUIPMENT (NANJING) Co.,Ltd. Patentee before: Xie Dajun Patentee before: Ye Yiye |