CN202639207U - Excess air coefficient control device of titanium material forging heating furnace - Google Patents
Excess air coefficient control device of titanium material forging heating furnace Download PDFInfo
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- CN202639207U CN202639207U CN 201220240352 CN201220240352U CN202639207U CN 202639207 U CN202639207 U CN 202639207U CN 201220240352 CN201220240352 CN 201220240352 CN 201220240352 U CN201220240352 U CN 201220240352U CN 202639207 U CN202639207 U CN 202639207U
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- valve
- excess
- burner
- coefficient control
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Abstract
The utility model discloses an excess air coefficient control device of a titanium material forging heating furnace. The excess air coefficient control device comprises a burner, a gas pipeline for providing gas for the burner and an air pipeline for providing combustion-supporting air for the burner, wherein a front manual valve, an electromagnetic valve, an air/fuel ratio valve and a rear manual valve are arranged on the gas pipeline along a gas conveying direction in sequence; a hot air compensation system, an excess coefficient control system and a manual cut-off valve are arranged on the air pipeline along the air flow direction in sequence; a connecting pipe is connected between the air/fuel ratio valve and the excess coefficient control system; and the excess coefficient control system is also in pipeline connection with a detection sensor for gas atmosphere in the heating furnace. According to the excess air coefficient control device, outlet pressure of the gas pipeline is proportionally adjusted through the connecting pipe connected with the air/fuel ratio valve, so that a constant air/fuel ratio at different preheating temperatures and under different burner powers is realized, and the optimal burning state is realized.
Description
Technical field
The utility model relates to a kind of titanium material forge furnace coefficient of excess air control device.
Background technology
The control of noble metal titanium material forge furnace is different from general steel ingot forge furnace, and its technological requirement is higher.The variation of furnace temperature directly affects the variation of combustion air preheat temperature, the frequent variations of combustion air preheat temperature is so that under the same pressure, the flow of air changes, the variation that coefficient of excess air λ will follow causes flame or oxygen debt or oxygen-excess combustion, when flame is oxygen debt, furnace gas forms reducing atmosphere, combustible content increases in the waste gas, has strengthened flue gas loss and may cause the surface of the work carburizing, and pricker dimension furnace lining is caused harmful effect; When the flame peroxide, oxygen content increases, and forms oxidizing atmosphere in the stove, causes the surface of the work oxidation, and increases equally flue gas loss.For reducing the per unit area yield energy consumption, should take measures to control air pressure and recovered flue gas heat as far as possible, implement the effective control to hot-blast pressure and temperature.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in the prior art, a kind of coefficient of excess air control device that can effectively regulate titanium material forge furnace hot-blast pressure and temperature is provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of titanium material forge furnace coefficient of excess air control device, comprise burner, for burner provides the gas pipeline of combustion gas and the air duct that combustion air is provided for burner, be provided with successively front hand-operated valve along the combustion gas throughput direction on the gas pipeline, magnetic valve, air-fuel ratio valve and rear hand-operated valve, be provided with successively the hot blast bucking-out system along air-flow direction on the air duct, coefficient of excess control system and hand stop valve, be connected with connecting pipe between described air-fuel ratio valve and the coefficient of excess control system, coefficient of excess control system also pipeline is connected with the detecting sensor that detects gas atmosphere in the heating furnace.
The beneficial effects of the utility model are: the utility model comes the outlet pressure of ratio regulating gas pipeline by the connecting pipe that is connected with the air-fuel ratio valve, the rising of the pressure of air duct side rises the outlet pressure of gas pipeline side by the air-fuel ratio valve through connecting pipe, thereby be implemented in the constant of air/fuel ratio under different preheat temperatures and the different burner power, reach best fired state.
Description of drawings
Below in conjunction with drawings and embodiments the utility model is further specified.
Fig. 1 is structural principle schematic diagram of the present utility model.
1. burners, 2. gas pipelines, 3. air ducts, 4. front hand-operated valve 5. magnetic valves 6. air-fuel ratio valves 7. rear hand-operated valve 8. hot blast bucking-out systems 9. coefficient of excess control systems 10. hand stop valves 11. connecting pipes 12. detecting sensors 13. blower fans among the figure
The specific embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
A kind of titanium material forge furnace coefficient of excess air control device as shown in Figure 1, comprise burner 1, provide the gas pipeline 2 of combustion gas and the air duct 3 that combustion air is provided for burner 1 for burner 1, be provided with successively front hand-operated valve 4, magnetic valve 5, air-fuel ratio valve 6 and rear hand-operated valve 7 along the combustion gas throughput direction on the gas pipeline 2, the end of air duct 3 is provided with blower fan 13, is provided with successively hot blast bucking-out system 8, coefficient of excess control system 9 and hand stop valve 10 along air-flow direction on the air duct 3.
Be connected with connecting pipe 11 between described air-fuel ratio valve 6 and the coefficient of excess control system 9, coefficient of excess control system 9 is gone back pipeline and is connected with the detecting sensor 12 that detects gas atmosphere in the heating furnace.
During use, start blower fan 13, regulate air duct 3 pressure to normal range (NR), open front hand-operated valve 4, rear hand-operated valve 7 on the gas pipeline 2, after burner 1 automatic controller starts, magnetic valve 5 is opened, and simultaneously, ignition transformer is connected, pilot spark appears in the spray orifice position of burner 1,8 work of hot blast bucking-out system, the pressure in the air duct 3 carries out closed-loop control according to default coefficient of excess λ value, and an amount of combustion air is provided.Outlet pressure by the connecting pipe 11 ratio regulating gas pipelines 2 that are connected with air-fuel ratio valve 6, the rising of the pressure of air duct 3 sides rises the outlet pressure of gas pipeline 2 sides by air-fuel ratio valve 6 through connecting pipe 11, thereby be implemented in the constant of air/fuel ratio under different preheat temperatures and different burner 1 power, reach best fired state.Detecting sensor 12 detects oxygen content signal in the heating furnace, so that air-fuel ratio valve 6 automatically, equal proportion is regulated the gas flow by burner 1, thereby be implemented in the constant of air/fuel ratio under different preheat temperatures and different burner 1 power, reach best fired state, both can keep away scaling loss, improve yield rate, can improve efficiency of combustion again, reach the purpose that improves burning quality, energy savings, minimizing discharge of poisonous waste, reduces the workpiece oxidization burning loss.Oxygen content detects and adopts zirconia probe simultaneously, and (Germany produces model: L-Sonde), its measuring-signal enters the PLC system to the original-pack in-line analyzer of instrument employing import, through after the computing, the control air quantity with the control AIR Proportional, carries out closed-loop control according to default λ value.Wherein λ value can Set arbitrarily and modification between 1.05～1.4, or the oxygen content volume ratio in the furnace atmosphere can Set arbitrarily and modification between 2.0%～6.5%.
Above-mentioned embodiment only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with technique can understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed in the protection domain of the present utility model.
Claims (1)
1. titanium material forge furnace coefficient of excess air control device, comprise burner (1), for burner (1) provides the gas pipeline (2) of combustion gas and the air duct (3) that combustion air is provided for burner (1), gas pipeline (2) is upper to be provided with front hand-operated valve (4) successively along the combustion gas throughput direction, magnetic valve (5), air-fuel ratio valve (6) and rear hand-operated valve (7), air duct (3) is upper to be provided with hot blast bucking-out system (8) successively along air-flow direction, coefficient of excess control system (9) and hand stop valve (10), it is characterized in that: be connected with connecting pipe (11) between described air-fuel ratio valve (6) and the coefficient of excess control system (9), coefficient of excess control system (9) is gone back pipeline and is connected with the detecting sensor (12) that detects gas atmosphere in the heating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220240352 CN202639207U (en) | 2012-05-25 | 2012-05-25 | Excess air coefficient control device of titanium material forging heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220240352 CN202639207U (en) | 2012-05-25 | 2012-05-25 | Excess air coefficient control device of titanium material forging heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202639207U true CN202639207U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220240352 Expired - Fee Related CN202639207U (en) | 2012-05-25 | 2012-05-25 | Excess air coefficient control device of titanium material forging heating furnace |
Country Status (1)
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| CN (1) | CN202639207U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106919199A (en) * | 2017-04-13 | 2017-07-04 | 江阴振宏重型锻造有限公司 | Gas heating forging control system and its control method of a kind of wind power principal axis |
| CN109622842A (en) * | 2018-12-11 | 2019-04-16 | 陕西宏远航空锻造有限责任公司 | A kind of forging method and device of stock forging control die forging warpage |
-
2012
- 2012-05-25 CN CN 201220240352 patent/CN202639207U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106919199A (en) * | 2017-04-13 | 2017-07-04 | 江阴振宏重型锻造有限公司 | Gas heating forging control system and its control method of a kind of wind power principal axis |
| CN109622842A (en) * | 2018-12-11 | 2019-04-16 | 陕西宏远航空锻造有限责任公司 | A kind of forging method and device of stock forging control die forging warpage |
| CN109622842B (en) * | 2018-12-11 | 2021-04-20 | 陕西宏远航空锻造有限责任公司 | Forging method and device for controlling die forging warping of long-rod forge piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150525 |
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| EXPY | Termination of patent right or utility model |