CN108980825A - A kind of electric, gas two-purpose heating device - Google Patents
A kind of electric, gas two-purpose heating device Download PDFInfo
- Publication number
- CN108980825A CN108980825A CN201811051941.2A CN201811051941A CN108980825A CN 108980825 A CN108980825 A CN 108980825A CN 201811051941 A CN201811051941 A CN 201811051941A CN 108980825 A CN108980825 A CN 108980825A
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- China
- Prior art keywords
- gas
- heating
- outlet
- gas heating
- heating device
- 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.)
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Classifications
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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
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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
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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
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
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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
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/04—Circulating atmospheres by mechanical means
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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
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- 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
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/063—Special atmospheres, e.g. high pressure atmospheres
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a kind of electricity, gas two-purpose heating device, including heated shell, the bottom of the heated shell to offer hot wind inlet and hot-blast outlet, and heated shell inner route clapboard is divided into gas heating room, fan house and exhaust air flue；Gas heating room is located at the lower section of fan house, and hot wind inlet is connected to the bottom of gas heating room, and the top of gas heating room is equipped with air outlet, and air outlet is connected to the bottom of fan house, and gas heating system is equipped in gas heating room；Circulating fan is equipped in fan house, the outlet of circulating fan is connected to exhaust air flue, electrical heating elements is equipped in exhaust air flue, the bottom of exhaust air flue is connected to hot-blast outlet.Heating device of the invention, daytime are heated using the paddy electricity of Utilities Electric Co. at night to heating using the bottled gas of concentration, energy consumption can be greatly lowered.The present invention is designed using the structure of lower part air inlet and lower part outlet air, and when installation can directly put at the top of furnace body, not increase occupied area, high-efficient by Cycling hot-blast heating.
Description
Technical field
The present invention relates to technical field of heat treatment, and in particular to a kind of to provide electricity, the gas two-purpose of heat source for heat exchange equipment
Heating device.
Background technique
Thermal energy is the main energy sources of heat exchange equipment operation consumption.It is existing to be equipped with gas pipeline, need high-volume electric energy heating
The company of product is handled, heat source generally uses two kinds of heating methods of gas heating or electric heating.Operation energy consumption is higher.
If developing a kind of electric, gas two-purpose heating device, product is heated using concentration bottled gas daytime, evening
On heated using the paddy electricity of Utilities Electric Co., then energy consumption can be greatly lowered.
Summary of the invention
For this purpose, the present invention provide it is a kind of electricity, gas two-purpose heating device, the device be suitable for a variety of type of furnaces, as curing oven,
Drying oven, annealing furnace and aging furnace etc..Heating device of the invention, daytime, to heating, evening was sharp using bottled gas is concentrated
It is heated with the paddy electricity of Utilities Electric Co., energy consumption can be greatly lowered.The present invention is entered the wind using lower part and the structure of lower part outlet air
Design, when installation, can directly put at the top of furnace body, not increase occupied area, high-efficient by Cycling hot-blast heating.
For this purpose, the technical solution adopted by the present invention is that:
A kind of electric, gas two-purpose heating device, including heated shell, the bottom of the heated shell offer hot wind inlet
And hot-blast outlet, heated shell inner route clapboard are divided into gas heating room, fan house and exhaust air flue；Gas heating room is located at wind
The lower section of machine room, hot wind inlet are connected to the bottom of gas heating room, and the top of gas heating room is equipped with air outlet, air outlet with
The bottom of fan house is connected to, and gas heating system is equipped in gas heating room；Circulating fan is equipped in fan house, circulating fan
Outlet is connected to exhaust air flue, electrical heating elements is equipped in exhaust air flue, the bottom of exhaust air flue is connected to hot-blast outlet.
The air channel structure of positive pressure chamber and negative pressure cavity that heating device of the invention is generated when being rotated using circulating fan, will fire
It burns room to be arranged in below the air inlet of blower (negative pressure cavity), avoids combustor or burner is frequent when positive pressure is too high and puts out
The phenomenon of fire, improves the utilization rate of equipment and the thermal efficiency of hot air circulation.Electrical heating elements are being arranged in the wind outlet of blower (just
Press chamber), it heats the positive pressure air quantity that the heat of pipe surface is generated by fan outlet and heat is blown in furnace body, reduction heating tube
Surface loading, increase the service life of heating tube, improve the efficiency of hot air circulation.
Heating device of the invention, daytime are heated using combustor, are heated at night using electrical heating elements, are made full use of late
On trough-electricity, reduce operating cost.
Further, the exhaust air flue is equipped with venting, and venting is equipped with rupture pressure disc.When pressure reaches pre- in shell
If after value, rupture pressure disc ruptures pressure release, heating device is protected, accident is prevented.
Further, volute of blower is equipped in the fan house, volute of blower is fixed in heated shell, is exported and is gone out
The connection of wind air duct；The circulating fan is no volute casing centrifugal blower fan, is vertically installed at the top of heated shell, draught fan impeller position
In in spiral case.No volute casing centrifugal blower fan using with by the way of motor direct-connected, not only avoid belt transmitting energy consumption, also save skin
Operating cost with loss.Flexible without volute casing centrifugal blower fan installation space, air quantity is big.It is designed by homemade volute of blower,
Wind pressure is high compared with the centrifugal blower wind pressure of absolutely not spiral case.Make volute of blower by oneself, manufacturing cost is low, and installation that can be as needed is empty
Between flexible design and installation.The air quantity that circulating fan rotation generates is transported in the burner hearth for needing to heat by spiral case and air duct.
Further, the volute of blower is welded by roll of steel plate.Structure is simple, and manufacturing cost is low.
Further, the heated shell is equipped with protective layer, insulating layer and shell layer from the inside to the outside, and protective layer is by stainless steel
Plate is made, and insulating layer is staggeredly laid with by alumina silicate needle punched blanket, and shell layer is made of steel plate.Shell layer made of rigid plate has
Enough intensity and rigidity.Insulating layer use fully fibrous structure, thermal insulation material have it is light-weight, amount of stored heat is small, do not leak heat, use
The features such as service life is long.The design of protective layer purges thermal insulation material in order to avoid hot wind for a long time, reduces its heat insulation effect and uses the longevity
Life.
Further, the electrical heating elements are U-shaped heating tube group, are inserted into exhaust air flue by the top of heated shell,
It is fixedly mounted on shell by screw.U-shaped heating tube group heating efficiency is high, easy for installation.
Further, the gas heating system is integral type combustor and combustion barrel；Combustor is set to heated shell
Outside, combustion barrel are set in gas heating room, and one end of combustion barrel and the outlet of combustor, other end opening add with combustion gas
Hot cell connection.
Further, the gas heating system includes fuel burner nozzle and combustion barrel, and fuel burner nozzle is set to heated shell
Outside, combustion barrel are set in gas heating room, one end of combustion barrel and the outlet of fuel burner nozzle, other end opening and combustion gas
Heat room connection.
The high-temperature flue gas that burner or combustor burned flame are generated in burning cylinder roasting, circulating fan sucking burning,
It is transported in burner hearth by air duct, generates airflow circulating, control the temperature in burner hearth in the range of technique requires.
Further, the combustion barrel is made of high temperature resistant seamless steel pipe.High temperature resistant seamless steel pipe heat-transfer effect is good, intensity
It is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiments of the present invention 1 (direction shown in arrow is hot air circulation direction).
Fig. 2 is the cross-sectional view (removal heating element) in the direction A-A in Fig. 1.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing and a kind of preferred reality
Mode is applied technical solution of the present invention is clearly and completely described.
In the following description, on the basis of the orientation of heating device shown in Fig. 1, the top of heating device as shown in the figure is
For "upper", on the contrary is "lower".
Embodiment 1
Refering to fig. 1 and Fig. 2, Yi Zhong electricity, gas two-purpose heating device, including heated shell 1, the bottom of shell 1 offer
Hot wind inlet 101 and hot-blast outlet 102；The top of shell 1 is equipped with assembling mouth 104 and venting 105.In heated shell 1
Gas heating room 113, fan house 114 and exhaust air flue 115 are divided by partition 11.Gas heating room 113 is located at fan house 114
Lower section.Hot wind inlet 111 is set to the bottom shell of gas heating room 113, for being connected to gas heating room 113 and heating furnace.
Air outlet 103 is offered in the top spacer of gas heating room 113, air outlet 103 is the air inlet of fan house 114.Combustion gas
It heats and is equipped with gas heating system in room 113, in the present embodiment, gas heating system includes fuel burner nozzle 31 and combustion barrel
32, combustion barrel 32 is made of high temperature resistant stainless steel pipe, is laterally set in gas heating room 113, and fuel burner nozzle 31 is set to outside shell 1
Portion, gas outlet are connected to by connecting short tube with combustion barrel 32.Fuel burner nozzle 3 is the prior art.Wind is equipped in fan house 114
The center of machine spiral case 41, volute of blower 41 is overlapped with the center of air outlet 103, and volute of blower 41 is formed by steel plate is coiling welded, is passed through
Screw is fixed in heated shell 1.No volute casing centrifugal blower fan 42 is mounted on assembling mouth 104 by screw, draught fan impeller
In volute of blower 41.The section of exhaust air flue 115 is L-shaped, is centered around the outside and gas heating room of gas heating room 113
It is wide, including horizontal duct and vertical air duct.The front end of horizontal duct is connected to the air outlet of volute of blower 41, end and vertical
Air duct connection, the end in vertical air duct extends to the bottom of shell 1, is connected to hot-blast outlet 102.It is longitudinally equipped in vertical air duct
Electrical heating elements 2.In the present embodiment, electrical heating elements are U-shaped heating tube group, the top of the heated shell 1 of U-shaped heating tube group
It is inserted into vertical air duct, electric heating tube extends along vertical air duct, and tail portion is fixedly mounted on shell 1 by screw.U-shaped heating
The combination of Guan Zuwei U-shaped heating tube is the prior art.Venting 105 is offered on the shell of horizontal duct, on venting 105
Rupture pressure disc is installed, rupture pressure disc is the prior art, is used for releasing pressure automatically when pressure superelevation.
In the present embodiment, heated shell 1 is tower structure, is welded by fashioned iron, plate group.Heated shell 1 is by interior
To protective layer, insulating layer and shell layer is externally provided with, protective layer is made of stainless steel plate, and insulating layer is staggeredly spread by alumina silicate needle punched blanket
If forming, shell layer is made of steel plate.The design of insulating layer distributes to reduce heating device heat, it is ensured that furnace shell surface temperature rise
No more than 20 DEG C of room temperature.
The utility model is directly installed on the top of heating furnace body, and hot-blast outlet 102 is connected to the air inlet of heating furnace body, heat
Wind inlet 101 is connected to the air outlet of heating furnace body, and daytime is heated using fuel burner nozzle, is heated at night using electrical heating elements.
When electric heating, the circulated air that circulating fan rotation generates is transported to needs by spiral case and air duct after electrical heating elements heat and adds
Airflow circulating is generated in the burner hearth of heat, controls the temperature in burner hearth in the range of technique requires.When gas heating, circulated air
The hot fume that burning generates is aspirated through spiral case with machine and air duct is transported in the burner hearth for needing to heat, and generates airflow circulating, makes
Temperature control in burner hearth is in the range of technique requires.
The part illustrated is not done in above instructions to be the prior art or be both able to achieve by the prior art.
Claims (9)
1. a kind of electricity, gas two-purpose heating device, including heated shell, it is characterised in that: the bottom of the heated shell opens up
There are hot wind inlet and hot-blast outlet, heated shell inner route clapboard is divided into gas heating room, fan house and exhaust air flue；Combustion gas adds
Hot cell is located at the lower section of fan house, and hot wind inlet is connected to the bottom of gas heating room, and the top of gas heating room is equipped with outlet air
Mouthful, air outlet is connected to the bottom of fan house, and gas heating system is equipped in gas heating room；Circulated air is equipped in fan house
The outlet of machine, circulating fan is connected to exhaust air flue, and electrical heating elements, the bottom of exhaust air flue and hot wind are equipped in exhaust air flue
Outlet.
2. heating device as described in claim 1, which is characterized in that the exhaust air flue is equipped with venting, sets on venting
There is rupture pressure disc.
3. heating device as described in claim 1, which is characterized in that be equipped with volute of blower, volute of blower in the fan house
It is fixed in heated shell, outlet is connected to exhaust air flue；The circulating fan is no volute casing centrifugal blower fan, is vertically installed at
The top of heated shell, draught fan impeller are located in spiral case.
4. heating device as claimed in claim 3, which is characterized in that the volute of blower is welded by roll of steel plate.
5. heating device as described in claim 1, which is characterized in that the heated shell is equipped with protective layer from the inside to the outside, protects
Warm layer and shell layer, protective layer are made of stainless steel plate, and insulating layer is staggeredly laid with by alumina silicate needle punched blanket, and shell layer is by steel
Plate is made.
6. heating device as described in claim 1, which is characterized in that the electrical heating elements are U-shaped heating tube group, by heating
In the top insertion exhaust air flue of shell, it is fixedly mounted on shell by screw.
7. heating device as described in claim 1, which is characterized in that the gas heating system is integral type combustor and combustion
Burn cylinder；Combustor is set to the outside of heated shell, and combustion barrel is set in gas heating room, one end of combustion barrel and going out for combustor
Mouth connection, other end opening are connected to gas heating room.
8. heating device as described in claim 1, which is characterized in that the gas heating system includes fuel burner nozzle and burning
Cylinder, fuel burner nozzle are set to the outside of heated shell, and combustion barrel is set in gas heating room, one end of combustion barrel and fuel burner nozzle
Outlet, other end opening are connected to gas heating room.
9. heating device as claimed in claim 7 or 8, which is characterized in that the combustion barrel is made of high temperature resistant seamless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051941.2A CN108980825A (en) | 2018-09-10 | 2018-09-10 | A kind of electric, gas two-purpose heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051941.2A CN108980825A (en) | 2018-09-10 | 2018-09-10 | A kind of electric, gas two-purpose heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108980825A true CN108980825A (en) | 2018-12-11 |
Family
ID=64545932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811051941.2A Pending CN108980825A (en) | 2018-09-10 | 2018-09-10 | A kind of electric, gas two-purpose heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108980825A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442896A (en) * | 2018-12-20 | 2019-03-08 | 南京淮腾机械科技有限公司 | A kind of heated-air circulation oven |
| CN111578674A (en) * | 2020-06-19 | 2020-08-25 | 江苏龙净科杰环保技术有限公司 | Drying line heating system |
| CN111595140A (en) * | 2020-06-22 | 2020-08-28 | 江苏龙净科杰环保技术有限公司 | Drying line heating device and method |
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| JP2009285572A (en) * | 2008-05-29 | 2009-12-10 | Auto Co Ltd | Fuel-saving type coating booth with improved hot air circulation manner |
| KR20100102472A (en) * | 2009-03-11 | 2010-09-24 | 전병재 | Hot water supplying boiler using firewood and electric heater |
| CN102433521A (en) * | 2011-12-31 | 2012-05-02 | 海盐华辰工业炉有限公司 | Fuel gas roller hearth continuous rapid aging furnace |
| CN202730181U (en) * | 2012-06-06 | 2013-02-13 | 镇江市万源电子有限公司 | Energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products |
| CN208967791U (en) * | 2018-09-10 | 2019-06-11 | 南京永亮炉业有限公司 | A kind of electric, gas two-purpose heating device |
-
2018
- 2018-09-10 CN CN201811051941.2A patent/CN108980825A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009285572A (en) * | 2008-05-29 | 2009-12-10 | Auto Co Ltd | Fuel-saving type coating booth with improved hot air circulation manner |
| KR20100102472A (en) * | 2009-03-11 | 2010-09-24 | 전병재 | Hot water supplying boiler using firewood and electric heater |
| CN102433521A (en) * | 2011-12-31 | 2012-05-02 | 海盐华辰工业炉有限公司 | Fuel gas roller hearth continuous rapid aging furnace |
| CN202730181U (en) * | 2012-06-06 | 2013-02-13 | 镇江市万源电子有限公司 | Energy saving and environment protecting annealing furnace used for gas heating of cold rolling aluminium products |
| CN208967791U (en) * | 2018-09-10 | 2019-06-11 | 南京永亮炉业有限公司 | A kind of electric, gas two-purpose heating device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442896A (en) * | 2018-12-20 | 2019-03-08 | 南京淮腾机械科技有限公司 | A kind of heated-air circulation oven |
| CN111578674A (en) * | 2020-06-19 | 2020-08-25 | 江苏龙净科杰环保技术有限公司 | Drying line heating system |
| CN111595140A (en) * | 2020-06-22 | 2020-08-28 | 江苏龙净科杰环保技术有限公司 | Drying line heating device and method |
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