CN110530149A - A kind of burner hearth overtemperature protection device - Google Patents
A kind of burner hearth overtemperature protection device Download PDFInfo
- Publication number
- CN110530149A CN110530149A CN201910762166.XA CN201910762166A CN110530149A CN 110530149 A CN110530149 A CN 110530149A CN 201910762166 A CN201910762166 A CN 201910762166A CN 110530149 A CN110530149 A CN 110530149A
- Authority
- CN
- China
- Prior art keywords
- slide cartridge
- burner hearth
- sealing drum
- piston
- bar
- 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.)
- Pending
Links
Classifications
-
- 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
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- 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
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/20—Arrangement of controlling, monitoring, alarm or like devices
-
- 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
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
-
- 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
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D2021/0057—Security or safety devices, e.g. for protection against heat, noise, pollution or too much duress; Ergonomic aspects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The present invention provides a kind of burner hearth overtemperature protection device, it is related to melting furnace field, including heat conducting bar, the heat conducting bar extends to inside sealing drum through sealing drum one end, filled with inflating medium in the sealing drum, the sealing drum is connected to slide cartridge, the first piston being slidably connected with slide cartridge inner wall is equipped in the slide cartridge, the slide cartridge side is connect with connecting cylinder, the slide bar being slidably connected with it is equipped in the connecting cylinder, described slide bar one end is fixedly connected with second piston, the pressure switch transmission connection that the connecting cylinder other end is connect by pressure pipe with gas valve, the gas valve is connected in fuel gas conduit.In the present invention, temperature in burner hearth is avoided to exceed predetermined value, the performance that works at high temperature is stablized, and circuit measured deviation, more safety durable caused by by thermal fault are avoided.
Description
Technical field
The present invention relates to melting furnace field more particularly to a kind of burner hearth overtemperature protection devices.
Background technique
Melting furnace is widely used in metal smelt industry, in metal smelt, is energized by outside, makes temperature in burner hearth
It increases, so that metal smelting is reached fusing point, so as to make metal molten, after metal is completely melt, need to make temperature in burner hearth
It keeps in a certain range, the impurity in metal being precipitated constantly, while guaranteeing that temperature is in melting furnace and can keep away in tolerance range
It is excessively high and lead to that burner hearth is damaged even safety accident occurs to exempt from fire box temperature, the prior art mainly adopts electrical temperature detection devices
Temperature is detected, carries out Control for Kiln Temperature by circuit connection real time reaction data, and by network analysis.
But since melting furnace is in melting, for internal temperature up to 1,000 degrees Celsius or more, outside wall temperature is also reachable
80 degrees Celsius are reached, is easy to make electric wire insulation layer aging, open circuit in circuit using circuit control system, leads to overtemperature prote
Device can not be long lasting for work.
Summary of the invention
The purpose of the present invention is to provide a kind of burner hearth overtemperature protection devices, to solve the above technical problems.
The present invention using following technical scheme in order to solve the above technical problems, realized: a kind of burner hearth overtemperature protection device,
Including heat conducting bar, the heat conducting bar is extended to inside sealing drum through sealing drum one end, filled with inflating medium in the sealing drum,
The sealing drum is connected to slide cartridge, and the first piston being slidably connected with slide cartridge inner wall, the slide cartridge side are equipped in the slide cartridge
It is connect with connecting cylinder, the slide bar being slidably connected with it, described slide bar one end and the fixed company of second piston is equipped in the connecting cylinder
It connects, the pressure switch transmission connection that the connecting cylinder other end is connect by pressure pipe with gas valve, the gas valve is connected to
In fuel gas conduit.
Preferably, one end and compressed spring bottom end that the first piston is connect far from slide cartridge with sealing drum are inconsistent, position
It is connected with reset spring in the separate one end being fixedly connected with slide bar of the second piston, the part that the slide bar is located at slide cartridge is perpendicular
Section is trapezoidal.
Preferably, the compressed spring other end is fixedly connected with threaded rod, the threaded rod pass through slide cartridge top and with
Slide cartridge is threadedly coupled, and the threaded rod tip is fixedly connected with turntable.
Preferably, the heat conducting bar is made of tungsten, and the heat conducting bar side is covered with thermal insulation layer.
Preferably, the inflating medium is one or more of empty gas and water, oil.
Preferably, hydraulic oil is full of in the pressure pipe.
The beneficial effects of the present invention are:
In the present invention, is connected inside and outside burner hearth by heat conducting bar, the heat in burner hearth is conducted to outside furnace using heat conducting bar, is led
Heat pipe is located in sealing drum, and inflating medium is full of in sealing drum, and the pressure-driven first generated using inflating medium expansion is living
Plug activity, makes to generate pressure in pressure pipe, so that the pressure switch that control is connect with pressure pipe, makes gas lockout valve, stops
Energy supply avoids temperature in burner hearth from exceeding predetermined value；By the way that first piston, second piston are separately connected compression spring, reset bullet
Spring can make first piston automatically reset when making in burner hearth temperature lower than certain value, thus reduce pressure in pressure pipe, pressure
Power switch automatically turns on, and makes gas pipeline connection gas supply, guarantees fire box temperature；By making to press in compressed spring connection screw thread bar
Contracting spring force is adjustable, so as to which burner hearth predetermined value is arranged by way of adjusting threaded rod.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the cross-sectional view of sealing drum of the present invention；
Fig. 3 is the cross-sectional view of slide cartridge of the present invention, connecting cylinder；
Fig. 4 is the cross-sectional view of second piston of the present invention；
Appended drawing reference: 1, thermal insulation layer；2, sealing drum；3, slide cartridge；4, connecting cylinder；5, threaded rod；6, turntable；7, pressure pipe；
8, pressure switch；9, gas valve；10, fuel gas conduit；11, heat conducting bar；12, first piston；13, block plate；14, link block；15, sliding
Bar；16, compressed spring；17, reset spring；18, second piston；19, sliding plate.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiments and the drawings are closed, the present invention is further explained, and however, the following embodiments are merely preferred embodiments of the present invention, not
All.Based on the implementation example in the implementation mode, those skilled in the art are obtained without making creative work
Other embodiments belong to protection scope of the present invention.
Specific embodiments of the present invention are described with reference to the accompanying drawing.
Embodiment 1
As shown in Figs 1-4, a kind of burner hearth overtemperature protection device, including heat conducting bar 11, heat conducting bar 11 run through 2 one end of sealing drum
It extends to inside sealing drum 2, filled with inflating medium in sealing drum 2, sealing drum 2 is connected to slide cartridge 3, is equipped with and slide cartridge 3 in slide cartridge 3
The first piston 12 that inner wall is slidably connected, 3 side of slide cartridge are connect with connecting cylinder 4, and the cunning being slidably connected with it is equipped in connecting cylinder 4
Bar 15,15 one end of slide bar are fixedly connected with second piston 18, and 4 other end of connecting cylinder passes through the pressure that pressure pipe 7 is connect with gas valve 9
Power switch 8 is sequentially connected, and gas valve 9 is connected in fuel gas conduit 10.
When temperature increases in burner hearth, heat conducting pipe is increased with fire box temperature and is increased, in the heat conducting pipe other end and sealing drum 2
Inflating medium be in contact, make inflating medium expanded by heating, first piston 12 is moved up by differential pressure action, first piston 12
Movement moves slide bar 15 in connecting cylinder 4, and the second piston 18 being fixedly connected with slide bar 15 moves in connecting cylinder 4, makes to press
Pressure rise in solenoid 7, so as to make 8 pressure of pressure switch reach predetermined value, triggering gas valve 9 makes gas valve 9
It closes, combustion gas can be made to stop supply, control in-furnace temperature is in current value.
Embodiment 2
As shown in Figs 1-4, a kind of burner hearth overtemperature protection device, including heat conducting bar 11, heat conducting bar 11 run through 2 one end of sealing drum
It extends to inside sealing drum 2, filled with inflating medium in sealing drum 2, sealing drum 2 is connected to slide cartridge 3, is equipped with and slide cartridge 3 in slide cartridge 3
The first piston 12 that inner wall is slidably connected, 3 side of slide cartridge are connect with connecting cylinder 4, and the cunning being slidably connected with it is equipped in connecting cylinder 4
Bar 15,15 one end of slide bar are fixedly connected with second piston 18, and 4 other end of connecting cylinder passes through the pressure that pressure pipe 7 is connect with gas valve 9
Power switch 8 is sequentially connected, and gas valve 9 is connected in fuel gas conduit 10, first piston 12 connect far from slide cartridge 3 with sealing drum 2 one
End is inconsistent with 16 bottom end of compressed spring, is connected with reset bullet positioned at the separate one end being fixedly connected with slide bar 15 of second piston 18
Spring 17, the part vertical section that slide bar 15 is located at slide cartridge 3 is trapezoidal.
First piston 12 in uphill process, at the top of end face and slide bar 15 it is inconsistent, slide bar 15 is located in slide cartridge 3
Part can produce lateral component to be trapezoidal, slide slide bar 15 in connecting cylinder 4, after in-furnace temperature reduces, in sealing drum 2
Temperature decrease, air pressure inside reduces, and resets first piston 12 under the effect of compressed spring 16, second piston 18 pressing
It is moved to the left under pressure and reset spring 17 effect of solenoid 7, so that pressure switch 8 be made to open, continues to supply combustion gas, to furnace
It is inside heated, can be realized the disconnected heat of confession to control furnace temperature.
Embodiment 3
A kind of burner hearth overtemperature protection device picture 1-4, including heat conducting bar 11, heat conducting bar 11 extend through 2 one end of sealing drum
To sealing drum 2, filled with inflating medium in sealing drum 2, sealing drum 2 is connected to slide cartridge 3, is equipped with and 3 inner wall of slide cartridge in slide cartridge 3
The first piston 12 being slidably connected, 3 side of slide cartridge are connect with connecting cylinder 4, and the slide bar being slidably connected with it is equipped in connecting cylinder 4
15,15 one end of slide bar is fixedly connected with second piston 18, and 4 other end of connecting cylinder passes through the pressure that pressure pipe 7 is connect with gas valve 9
Switch 8 is sequentially connected, and gas valve 9 is connected in fuel gas conduit 10, and 16 other end of compressed spring is fixedly connected with threaded rod 5, screw thread
Bar 5 passes through 3 top of slide cartridge and is threadedly coupled with slide cartridge 3, and 5 top of threaded rod is fixedly connected with turntable 6.
By threaded rod 5 connect compressed spring 16, by make threaded rod 5 relative to slide cartridge 3 rotate control spring pressure,
When the pressure of 12 bottom of first piston being made to be less than compressed spring 16, first piston 12 is made to keep stablizing, when base pressure is greater than pressure
It can make piston mobile when the pressure of contracting spring 16, threaded rod 5 can be made to move by way of rotating turntable 6 relative to slide cartridge 3
It is dynamic, the length of compressed spring 16 is controlled to control in-furnace temperature, and 3 bottom of slide cartridge setting block plate 13 is downward for limiting first piston 12
Mobile limiting value, the interior setting sliding plate 19 of connecting cylinder 4 are used to limit the mobile limiting value of slide bar 15.
Embodiment 4
As shown in Figs 1-4, a kind of burner hearth overtemperature protection device, including heat conducting bar 11, heat conducting bar 11 run through 2 one end of sealing drum
It extends to inside sealing drum 2, filled with inflating medium in sealing drum 2, sealing drum 2 is connected to slide cartridge 3, is equipped with and slide cartridge 3 in slide cartridge 3
The first piston 12 that inner wall is slidably connected, 3 side of slide cartridge are connect with connecting cylinder 4, and the cunning being slidably connected with it is equipped in connecting cylinder 4
Bar 15,15 one end of slide bar are fixedly connected with second piston 18, and 4 other end of connecting cylinder passes through the pressure that pressure pipe 7 is connect with gas valve 9
Power switch 8 is sequentially connected, and gas valve 9 is connected in fuel gas conduit 10, and heat conducting bar 11 is made of tungsten, 11 side of heat conducting bar be covered with every
Thermosphere 1, inflating medium are the combination of one or more of empty gas and water, oil, are full of hydraulic oil in pressure pipe 7.
The heat conducting pipe of tungsten has good thermal conductivity and higher fusing point, can be avoided heat conducting pipe and melts at high temperature,
Inflating medium has certain coefficient of expansion in a certain temperature conditions, and so as to generate certain pressure, use is thermally conductive
Bar 11 heats inflating medium, for reflecting that the temperature in burner hearth, hydraulic oil density with higher avoid receiving under larger pressure
It contracts and leads to not touch pressure switch 8.
Working principle: in the use of the present invention, the part for having link block 14 in the middle part of thermal insulation layer 1 is connected with burner hearth sidewall
Connect, thermal insulation layer 1 enable to be kept fixed with thawing furnace, and make external seal in burner hearth, link block 14 for limit thermal insulation layer 1 with
The relative position of burner hearth avoids sliding relatively, in burner hearth heating process, transfer heat to through the heat conducting bar 11 of burner hearth close
In sealed tube 2, inflating medium expanded by heating makes pressure rise in sealing drum 2, first piston 12 can be made to move up, with first
The inconsistent slide bar 15 of piston 12 drives second piston 18 to move to the right in sealing drum 2, can make second in pressure pipe 7
Piston 18 moves to the right, and the effect of being under pressure of the hydraulic oil in pressure pipe 7 touches pressure switch 8, and gas valve 9 can be made to close
It closes, so that the temperature controlled in burner hearth no longer rises, stable structure, furnace wall outside is avoided without installing electrical detection device
Caused by the heated ageing failure of device the case where unstable working condition, safety durable.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (6)
1. a kind of burner hearth overtemperature protection device, including heat conducting bar (11), it is characterised in that: the heat conducting bar (11) runs through sealing drum
(2) it is internal to extend to sealing drum (2) for one end, filled with inflating medium in the sealing drum (2), the sealing drum (2) and slide cartridge (3)
Connection, the slide cartridge (3) is interior to be equipped with the first piston (12) being slidably connected with slide cartridge (3) inner wall, slide cartridge (3) side and company
Connect cylinder (4) connection, the connecting cylinder (4) is interior to be equipped with the slide bar (15) being slidably connected with it, described slide bar (15) one end and second
Piston (18) is fixedly connected, and connecting cylinder (4) other end passes through the pressure switch (8) that pressure pipe (7) are connect with gas valve (9)
Transmission connection, the gas valve (9) are connected on fuel gas conduit (10).
2. a kind of burner hearth overtemperature protection device according to claim 1, it is characterised in that: the first piston (12) is separate
One end that slide cartridge (3) is connect with sealing drum (2) and compressed spring (16) bottom end are inconsistent, and it is separate to be located at the second piston (18)
The one end being fixedly connected with slide bar (15) is connected with reset spring (17), and the slide bar (15) is located at perpendicular section of the part of slide cartridge (3)
Face is trapezoidal.
3. a kind of burner hearth overtemperature protection device according to claim 2, it is characterised in that: the compressed spring (16) is another
End is fixedly connected with threaded rod (5), and the threaded rod (5) passes through slide cartridge (3) top and is threadedly coupled with slide cartridge (3), the spiral shell
Rasp bar (5) top is fixedly connected with turntable (6).
4. a kind of burner hearth overtemperature protection device according to claim 1, it is characterised in that: the heat conducting bar (11) is by tungsten system
At heat conducting bar (11) side is covered with thermal insulation layer (1).
5. a kind of burner hearth overtemperature protection device according to claim 1, it is characterised in that: the inflating medium be air,
The combination of one or more of water, oil.
6. a kind of burner hearth overtemperature protection device according to claim 1, it is characterised in that: be full of in the pressure pipe (7)
Hydraulic oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762166.XA CN110530149A (en) | 2019-08-19 | 2019-08-19 | A kind of burner hearth overtemperature protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762166.XA CN110530149A (en) | 2019-08-19 | 2019-08-19 | A kind of burner hearth overtemperature protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110530149A true CN110530149A (en) | 2019-12-03 |
Family
ID=68663619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910762166.XA Pending CN110530149A (en) | 2019-08-19 | 2019-08-19 | A kind of burner hearth overtemperature protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110530149A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681524A (en) * | 2022-11-11 | 2023-02-03 | 盐城市大丰燃气设备有限公司 | High-safety quick combined type gas valve protection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135700Y (en) * | 1992-08-28 | 1993-06-09 | 王东斌 | Automatic gas cut-off device for domestic gas |
| CN202545978U (en) * | 2012-02-16 | 2012-11-21 | 成都市科达自动化控制工程有限公司 | Passive temperature control valve for gas heating furnace |
| CN105221778A (en) * | 2015-09-06 | 2016-01-06 | 苗沐霖 | Combustion gas quick closing valve |
| CN205423933U (en) * | 2016-04-01 | 2016-08-03 | 中国石油大学(华东) | Automatic temperature control water tap |
| CN205592458U (en) * | 2016-03-11 | 2016-09-21 | 田相军 | Dry combustion method valve is prevented to gas -cooker |
| CN106288837A (en) * | 2016-11-10 | 2017-01-04 | 重庆马谷纤维新材料有限公司 | A kind of kiln temperature controls device |
-
2019
- 2019-08-19 CN CN201910762166.XA patent/CN110530149A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135700Y (en) * | 1992-08-28 | 1993-06-09 | 王东斌 | Automatic gas cut-off device for domestic gas |
| CN202545978U (en) * | 2012-02-16 | 2012-11-21 | 成都市科达自动化控制工程有限公司 | Passive temperature control valve for gas heating furnace |
| CN105221778A (en) * | 2015-09-06 | 2016-01-06 | 苗沐霖 | Combustion gas quick closing valve |
| CN205592458U (en) * | 2016-03-11 | 2016-09-21 | 田相军 | Dry combustion method valve is prevented to gas -cooker |
| CN205423933U (en) * | 2016-04-01 | 2016-08-03 | 中国石油大学(华东) | Automatic temperature control water tap |
| CN106288837A (en) * | 2016-11-10 | 2017-01-04 | 重庆马谷纤维新材料有限公司 | A kind of kiln temperature controls device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681524A (en) * | 2022-11-11 | 2023-02-03 | 盐城市大丰燃气设备有限公司 | High-safety quick combined type gas valve protection device |
| CN115681524B (en) * | 2022-11-11 | 2023-12-26 | 盐城市大丰燃气设备有限公司 | High-safety quick combined gas valve protection device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20191203 |