CN106705695B - Smelting furnace explosion-protection equipment - Google Patents
Smelting furnace explosion-protection equipment Download PDFInfo
- Publication number
- CN106705695B CN106705695B CN201611011715.2A CN201611011715A CN106705695B CN 106705695 B CN106705695 B CN 106705695B CN 201611011715 A CN201611011715 A CN 201611011715A CN 106705695 B CN106705695 B CN 106705695B
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- Prior art keywords
- explosion
- pipeline
- protection equipment
- auxiliary
- smelting furnace
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Classifications
-
- 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
- F27D2021/0071—Security or safety devices, e.g. for protection against heat, noise, pollution or too much duress; Ergonomic aspects against explosions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Present patent application belongs to smelting equipment field, more particularly to a kind of smelting furnace explosion-protection equipment, pipeline including turning, one end of pipeline is communicated with furnace chamber channel, and the other end of pipeline is communicated with discharge flue, and pipeline is equipped with main venting, cover board is slidably connected by hinge structure in main venting, the both sides of main venting are both provided with the auxiliary explosion stack with pipeline unicom, and two auxiliary explosion stack tops are equipped with closed polyurethane film, liquid is housed in polyurethane film；Two explosion-proof bottom of the tube of auxiliary are equipped with gas nozzle, and the auxiliary explosion stack side wall near gas nozzle is respectively equipped with gas outlet and bleed ports, the main venting of bleed ports unicom and the upper surface for leading to the cover board.Present patent application is simple in structure, stable, can be closed automatically, the good smelting furnace explosion-protection equipment of adaptability.
Description
Technical field
The invention belongs to smelting equipment fields, and in particular to a kind of smelting furnace explosion-protection equipment.
Background technology
The explosion-protection equipment of smelting furnace is typically to be open on pipeline, and Explosion-proof cap is arranged in opening, when air pressure is excessively high in stove,
Explosion-proof cap, which is washed open, to play a protective role, and after air pressure is normal in stove, manual operation makes Explosion-proof cap be restored to closed state；But
This explosion-protection equipment is after Explosion-proof cap opening, and cannot automatically reset closing, it is necessary to and manual operation could be completed, once operating personnel
It cannot find that Explosion-proof cap has already turned in time, in time close Explosion-proof cap, the normal operation that will be seriously affected in heating furnace；It is existing
Technology in application number 201220607147.3《A kind of smelting furnace explosion-protection equipment》There is also following defects：1, tension spring is placed in anti-
Perishable in seam broken, structure is easily damaged, and then influences normal production running, and 2, Explosion-proof cap and venting are easy dislocation and are closed, machine
Tool component has been corroded, bad adaptability, influences to produce normal operation.
Invention content
It is simple in structure the purpose of the present invention is to provide a kind of smelting furnace explosion-protection equipment, it is stable, it can be closed automatically,
The good smelting furnace explosion-protection equipment of adaptability.
In order to achieve the above objectives, basic technology scheme of the invention is to provide smelting furnace explosion-protection equipment, includes the pipe at turning
The one end in road, pipeline is communicated with furnace chamber channel, and the other end of pipeline is communicated with discharge flue, and pipeline is equipped with main venting, main
Cover board is slidably connected by hinge structure in venting, the both sides of main venting are both provided with explosion-proof with the auxiliary of pipeline unicom
Pipe, two auxiliary explosion stack tops are equipped with closed polyurethane film, liquid are housed in polyurethane film；Two auxiliary explosion stacks
Bottom is equipped with gas nozzle, and the auxiliary explosion stack side wall near gas nozzle is respectively equipped with gas outlet and bleed ports, and bleed ports unicom master is explosion-proof
Mouth and the upper surface for leading to the cover board.
When using the above scheme, the high-temperature flue gas generated in furnace chamber first passes through the gas nozzle of auxiliary explosion stack, and from going out
Gas port is discharged, while can also lead to main venting from bleed ports, several into the pressure of the flue gas of main venting and the pressure of furnace chamber
It is equal, so the pressure of lid surface is more than the pressure in stove plus the gravity of cover board itself so that cover board will not upwarp, right
Main venting is closed；But when the pressure and temperature in furnace chamber with work carry out start to gradually increase, it is anti-when reaching
After detonation pressure power, polyurethane film starts to soften, and the polyurethane film after softening can then be stayed, and finally seals gas nozzle, at this time gas outlet
With bleed ports without flue gas.And the pressure in stove will push cover board to upwarp, and open main venting so that pressure is released
It puts.After pressure and temperature in stove restores, polyurethane film slowly restores to the original state, and reopens gas nozzle, further so that cover board
Main venting is sealed again, prevents pressure from continuing to leak.Operating personnel have found smokeless discharge in gas outlet it is known that stove
Interior hypertonia, serves as a warning.
Compared to the prior art：In the present solution, not use tension spring or spring, completely use stove in the air pressure of itself and
Temperature is as transformation condition, and not operation manually, using expanding with heat and contract with cold, realization automatically controls.Explosion-proof cap is closed in time, is prevented
Only pressure leakage influences the normal operation in heating furnace.And simple in structure, adaptable, no mechanical transmission member will not go out
Situations such as cash category movable part corrodes.
To the preferred embodiment 1 that the improvement of base case obtains, layer of polyurethane lower surface position is apart from gas nozzle 4mm, and distance is too
It far can lead to adaptability not in time, influence to run.
To the preferred embodiment 2 that the improvement of base case obtains, the boiling point of liquid in polyurethane film is higher than 120 degree, boiling point
It is too low to lead to the premature expansion of polyurethane film, cause to block gas nozzle too early, adaptability is caused to reduce.
To the preferred embodiment 3 that the improvement of base case obtains, the outgassing direction of bleed ports is parallel with cover board so that cover board table
The pressure in face is evenly.
Description of the drawings
Fig. 1 is the structural schematic diagram of smelting furnace explosion-protection equipment embodiment of the present invention.
Specific implementation mode
Below by specific implementation mode and reference numeral, the present invention is described in further detail：
Reference numeral in Figure of description includes：Pipeline 1, main venting 2, cover board 3, bleed ports 4, gas outlet 5, gas nozzle
6, polyurethane film 7, auxiliary explosion stack 8.
Embodiment is substantially as shown in Fig. 1：A kind of smelting furnace explosion-protection equipment includes the pipeline 1 at turning, one end of pipeline 1
It is communicated with furnace chamber channel, the other end of pipeline 1 is communicated with discharge flue, and pipeline 1 is equipped with main venting 2, leads in main venting 2
It crosses hinge structure and slidably connects cover board 3, the both sides of main venting 2 are both provided with the auxiliary explosion stack 8 with 1 unicom of pipeline, and two
A 8 top of auxiliary explosion stack is provided with closed polyurethane film 7；Liquid is housed in polyurethane film 7；In polyurethane film 7
Boiling point of liquid be higher than 120 degree.Two 8 bottoms of auxiliary explosion stack are equipped with gas nozzle 6, and 7 lower surface position of polyurethane film is away from gas nozzle 6
Distance 4mm, 8 side wall of auxiliary explosion stack near gas nozzle 6 is respectively equipped with gas outlet 5 and bleed ports 4, and 4 unicom master of bleed ports is anti-
The outgassing direction of seam broken 2 and the upper surface for leading to the cover board 3, bleed ports 4 is parallel with cover board 3.
Implementation principle：When normal work, the high-temperature flue gas generated in furnace chamber first passes through the gas nozzle of auxiliary explosion stack 8
6, and be discharged from gas outlet 5, while also can lead to main venting 2 from bleed ports 4, into the flue gas of main venting 2 pressure and
The pressure of furnace chamber is almost equal, so the pressure on 3 surface of cover board is plus cover board 3, the gravity of itself is more than the pressure in stove so that
Cover board 3 will not upwarp, and be closed to main venting 2；But when the pressure and temperature in furnace chamber with work start
It gradually increases, after reaching explosion-proof pressure, polyurethane film starts to soften, and the polyurethane film after softening can then be stayed, and finally seal
Firmly gas nozzle 6, gas outlet 5 and bleed ports 4 are without flue gas at this time.And the pressure in stove will push cover board 3 to upwarp, and open main anti-
Seam broken 2 so that pressure is released.After pressure and temperature in stove restores, polyurethane film slowly restores to the original state, and reopens gas
Mouth 6 prevents pressure from continuing to leak further so that cover board 3 seals main venting 2 again.Liquid in polyurethane film 7
Polyurethane film expansion softening can be assisted to obtain enough pressure and block gas nozzle 6.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these should also be considered as protection scope of the present invention, these all do not interfere with of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific implementation mode can be used for explaining the content of claim.
Claims (4)
1. a kind of smelting furnace explosion-protection equipment includes in the pipeline of turning shape, one end of the pipeline is communicated with furnace chamber channel, described
The other end of pipeline is communicated with discharge flue, and the pipeline is equipped with main venting, which is characterized in that is led in the main venting
It crosses hinge structure and is hinged with cover board, the both sides of the main venting are both provided with the auxiliary explosion stack with pipeline unicom, two institutes
It states auxiliary explosion stack top and is equipped with closed polyurethane film, liquid is housed in the polyurethane film；Two auxiliary are anti-
Booster bottom is equipped with gas nozzle, and the auxiliary explosion stack side wall is respectively equipped with gas outlet and bleed ports, the bleed ports unicom master
Venting and the upper surface for leading to the cover board.
2. smelting furnace explosion-protection equipment according to claim 1, which is characterized in that the layer of polyurethane lower surface position distance
Gas nozzle 4mm.
3. smelting furnace explosion-protection equipment according to claim 1, which is characterized in that the boiling point of liquid in the polyurethane film
Higher than 120 degree.
4. smelting furnace explosion-protection equipment according to claim 1, which is characterized in that the outgassing direction and cover board of the bleed ports
It is parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611011715.2A CN106705695B (en) | 2016-11-17 | 2016-11-17 | Smelting furnace explosion-protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611011715.2A CN106705695B (en) | 2016-11-17 | 2016-11-17 | Smelting furnace explosion-protection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106705695A CN106705695A (en) | 2017-05-24 |
| CN106705695B true CN106705695B (en) | 2018-10-16 |
Family
ID=58939793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611011715.2A Active CN106705695B (en) | 2016-11-17 | 2016-11-17 | Smelting furnace explosion-protection equipment |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548080U (en) * | 2009-12-04 | 2010-08-11 | 中铝西南铝板带有限公司 | Explosion protection device for heating furnace |
| CN202993883U (en) * | 2012-11-16 | 2013-06-12 | 重庆奥博铝材制造有限公司 | Smelting furnace explosion-proof device |
| CN202993887U (en) * | 2012-11-16 | 2013-06-12 | 重庆奥博铝材制造有限公司 | explosion-proof device of heating furnace |
| CN203794970U (en) * | 2014-04-24 | 2014-08-27 | 江苏海事职业技术学院 | Anti-explosion nitriding furnace |
| CN204485538U (en) * | 2015-03-24 | 2015-07-22 | 福建三安钢铁有限公司 | A kind of explosion-protection equipment of industrial furnace sack cleaner |
| WO2016050601A1 (en) * | 2014-09-30 | 2016-04-07 | Primetals Technologies Austria GmbH | Pressure relief valve for pressurised furnace |
-
2016
- 2016-11-17 CN CN201611011715.2A patent/CN106705695B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548080U (en) * | 2009-12-04 | 2010-08-11 | 中铝西南铝板带有限公司 | Explosion protection device for heating furnace |
| CN202993883U (en) * | 2012-11-16 | 2013-06-12 | 重庆奥博铝材制造有限公司 | Smelting furnace explosion-proof device |
| CN202993887U (en) * | 2012-11-16 | 2013-06-12 | 重庆奥博铝材制造有限公司 | explosion-proof device of heating furnace |
| CN203794970U (en) * | 2014-04-24 | 2014-08-27 | 江苏海事职业技术学院 | Anti-explosion nitriding furnace |
| WO2016050601A1 (en) * | 2014-09-30 | 2016-04-07 | Primetals Technologies Austria GmbH | Pressure relief valve for pressurised furnace |
| CN204485538U (en) * | 2015-03-24 | 2015-07-22 | 福建三安钢铁有限公司 | A kind of explosion-protection equipment of industrial furnace sack cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106705695A (en) | 2017-05-24 |
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