CN116066811A - Film coating furnace vapor system and control method for supplying vapor to film coating furnace - Google Patents
Film coating furnace vapor system and control method for supplying vapor to film coating furnace Download PDFInfo
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- CN116066811A CN116066811A CN202211731749.4A CN202211731749A CN116066811A CN 116066811 A CN116066811 A CN 116066811A CN 202211731749 A CN202211731749 A CN 202211731749A CN 116066811 A CN116066811 A CN 116066811A
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- steam
- film coating
- oxygen content
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- 239000007888 film coating Substances 0.000 title claims abstract description 37
- 238000009501 film coating Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 73
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 37
- 239000001301 oxygen Substances 0.000 claims abstract description 37
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 239000002775 capsule Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- 238000009835 boiling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D3/00—Accumulators for preheated water
- F22D3/06—Accumulators for preheated water directly connected to boilers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1204—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
- C23C18/1208—Oxides, e.g. ceramics
- C23C18/1216—Metal oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/006—Feed-water heaters, i.e. economisers or like preheaters with heating tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
- F22D5/08—Controlling water feed or water level; Automatic water feeding or water-level regulators with float-actuated valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
- F22D5/26—Automatic feed-control systems
- F22D5/34—Applications of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G1/00—Steam superheating characterised by heating method
- F22G1/16—Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil
- F22G1/165—Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil by electricity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/04—Drying; Impregnating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Combustion & Propulsion (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to the technical field of vapor equipment, in particular to a film coating furnace vapor system and a control method for supplying vapor to a film coating furnace. The invention discloses a film furnace steam system and a control method thereof, wherein the film furnace steam system comprises: a preheating barrel, a boiler, a secondary heating tank and a film furnace; the preheating barrel is arranged above the boiler; the boiler is fixed on the boiler bracket; the preheating barrel is communicated with the boiler through a first steam heating pipeline; steam generated by the boiler enters the secondary heating tank through a second steam heating pipeline; the output end of the secondary heating tank is connected with a steam pipeline at the top of the film coating furnace, an air outlet hole is arranged on the steam pipeline, and a butterfly valve is arranged on an air inlet pipeline at the top of the film coating furnace. The power of the boiler or the valve opening of the butterfly valve is initially set, the oxygen content is monitored to be lower than or higher than a preset value in real time, and the valve opening of the butterfly valve is regulated to be larger or smaller, or the power of the boiler is reduced or increased, or both. The invention solves the problems that the steam supply of the existing film coating furnace is unstable and the oxygen content cannot be controlled accurately.
Description
Technical Field
The invention relates to the technical field of vapor equipment, in particular to a film coating furnace vapor system and a control method for supplying vapor to a film coating furnace.
Background
The film coating furnace is a device for coating the tantalum capacitor, and the film coating is a process of putting the tantalum capacitor immersed with the manganese nitrate solution into the furnace for multiple thermal decomposition to form a layer of manganese dioxide film, wherein the current domestic film coating furnace has unstable steam supply, and the concentration of oxygen content cannot be accurately regulated and controlled during thermal decomposition, so that the film coating effect of a product cannot be expected, and the quality of the product is affected.
Disclosure of Invention
The invention provides a film coating furnace vapor system and a control method for supplying vapor to a film coating furnace, which are used for solving the problems that the supply amount of the vapor of the existing film coating furnace is unstable and the oxygen content cannot be accurately controlled.
According to a first aspect of the present invention, there is provided a film furnace vapor system and a control method of supplying vapor to a film furnace, comprising: a preheating barrel, a boiler, a secondary heating tank and a film furnace; the preheating barrel is arranged above the boiler; the boiler is fixed on the boiler bracket; one side of the preheating barrel is communicated with one side of the boiler to form a first steam heating pipeline; a second steam heating pipeline is arranged on one side of the boiler, and steam generated by the boiler enters the secondary heating tank through the second steam heating pipeline;
the output end of the secondary heating tank is connected with the input end of the film coating furnace, the top of the film coating furnace is provided with a steam pipeline and an air inlet pipeline, the steam pipeline is provided with an air outlet hole, and the air inlet pipeline is provided with a butterfly valve.
In some embodiments, the preheating barrel is internally provided with an L-shaped heating pipe, a float switch, a float detection mechanism and a temperature sensor mounting pipe.
In some embodiments, an overflow tube is provided on one side of the pre-heating tub.
In some embodiments, the pre-heated barrel is heated to a temperature in the range of 85 ℃ to 95 ℃.
In some embodiments, the secondary heating tank is of a vertical cuboid configuration.
In some embodiments, a U-shaped heating pipe is arranged at the central position inside the secondary heating tank, and spiral sheets are arranged on the U-shaped heating pipe.
In some embodiments, one side of the secondary heating tank is provided with a vapor discharge pipe, and a drain pipe.
In some embodiments, the secondary heating tank is heated to a temperature in the range of 220 ℃ to 240 ℃.
In some embodiments, the initial power of the boiler is set to P 1 The initial valve opening of the butterfly valve is set to W 1 The monitoring sensor on the film coating furnace monitors the oxygen content in the furnace to be X in real time 1 In% when X 1 % below the preset oxygen contentThe valve opening of the butterfly valve is regulated to be larger by 8 percent, the valve opening of the butterfly valve is regulated to be larger by a preset value at one time, or the power of the boiler is regulated to be smaller by a preset value at one time, and when X is the value of 1 % is higher than the preset value of oxygen content by 8%, the opening of the butterfly valve is regulated down, the preset value is regulated down once, or the power of the boiler is regulated up, the preset value is regulated up once, and when X is the value of 1 % reaches the preset value of oxygen content of 8 percent, and the power of the boiler or the initial valve opening of the butterfly valve is not adjusted.
In some embodiments, after the valve opening of the butterfly valve or the power of the boiler is correspondingly adjusted by a preset value, if the oxygen content X in the capsule furnace 1 % still not reaching the preset oxygen content value, and when the oxygen content reading on the monitoring sensor is stable, adjusting the valve opening of the butterfly valve or the power of the boiler again until the adjustment reaches the preset oxygen content value.
The invention has the following beneficial technical effects:
1) The front end of the boiler is preheated, so that the water inlet of the boiler is closer to the boiling point of water, the temperature of the water to the boiler is smaller, and the steam amount generated by the boiler is more stable in a mode of supplementing water a small amount for many times;
2) The steam generated in the boiler is directly connected into the film furnace, so that the pressure is not generated, and the risk of blockage is avoided;
3) The secondary heating tank carries out high-temperature treatment on the steam, so that the temperature of the steam is closer to the working temperature of the coating film, and the influence of the steam on the atmosphere in the hearth is smaller;
4) The air inlet angle is controlled by adjusting the opening of a butterfly valve on an air inlet pipeline at the upper layer of the top of the film coating furnace, and the oxygen content in the film coating furnace is kept at 8% under the control of different air inlet angles and different boiler heating powers.
Drawings
FIG. 1 shows a schematic diagram of an embodiment of the present invention;
FIG. 2 illustrates a cross-sectional view of a pre-heated barrel in accordance with one embodiment of the present invention;
FIG. 3 shows a cross-sectional view of a reheat tank of an embodiment of the present invention.
The attached drawings are identified: 1-preheating barrel, 2-boiler, 3-secondary heating tank, 4-envelope stove, 5-first steam heating pipeline, 6-second steam heating pipeline, 7-steam pipeline, 8-air inlet pipeline, 9-L-shaped heating pipe, 10-float switch, 11-float detection mechanism, 12-temperature sensor installation pipe, 13-overflow pipe, 14-U-shaped heating pipe, 15-steam discharge pipe, 16-steam discharge pipe, 17-drain pipe.
Detailed Description
The disclosure will now be discussed with reference to several exemplary embodiments. It should be understood that these embodiments are discussed only to enable those of ordinary skill in the art to better understand and thus practice the present disclosure, and are not meant to imply any limitation on the scope of the present disclosure.
As used herein, the term "comprising" and variants thereof are to be interpreted as meaning "including but not limited to" open-ended terms. The term "based on" is to be interpreted as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment. The term "another embodiment" is to be interpreted as "at least one other embodiment".
The embodiment discloses a film coating furnace vapor system and a control method for supplying vapor to a film coating furnace, as shown in fig. 1, 2 and 3, which may include: the preheating barrel 1 is arranged above the boiler 2; the boiler 2 is fixed on a boiler bracket; a first steam heating pipeline 5 is communicated with one side of the preheating barrel 1 and one side of the boiler 2; a second steam heating pipeline 6 is arranged on one side of the boiler 2, and steam generated by the boiler 2 enters the secondary heating tank 3 through the second steam heating pipeline 6;
the output end of the secondary heating tank 3 is connected with the input end of the film coating furnace 4, the top of the film coating furnace 4 is provided with a steam pipeline 7 and an air inlet pipeline 8, the steam pipeline 7 is provided with an air outlet, and the air inlet pipeline 8 is provided with a butterfly valve.
The preheating barrel 1 is heated to a temperature ranging from 85 ℃ to 95 ℃.
The secondary heating tank 3 is heated to a temperature ranging from 220 ℃ to 240 ℃.
The initial power of the boiler 2 is set to P 1 The initial valve opening of the butterfly valve is set to W 1 The monitoring sensor on the film coating furnace 4 monitors the oxygen content in the furnace to be X in real time 1 In% when X 1 % is lower than the preset value of oxygen content by 8%, the opening of the butterfly valve is increased by the preset value of the valve opening, or the power of the boiler 2 is reduced by the preset value of the valve opening, and when X 1 % is higher than the preset value of oxygen content by 8%, the opening of the butterfly valve is regulated down, the preset value is regulated down once, or the power of the boiler 2 is regulated up, the preset value is regulated up once, and when X is the value of 1 % reaches the preset value of oxygen content of 8%, and the power of the boiler 2 or the initial valve opening of the butterfly valve is not adjusted. After the valve opening of the butterfly valve or the power of the boiler 2 is correspondingly adjusted by a preset value, if the oxygen content X in the film furnace 4 1 % still not reaching the preset oxygen content value, and when the oxygen content reading on the monitoring sensor is stable, adjusting the valve opening of the butterfly valve or the power of the boiler 2 again until the adjustment reaches the preset oxygen content value.
In the embodiment, cold water is firstly added into a preheating barrel 1, and the preheating barrel 1 is connected with a boiler 2; the preheating barrel 1 is provided with a temperature sensor, under the detection control of the temperature sensor, the water temperature of the preheating barrel 1 reaches 85-95 ℃, the water temperature is kept close to the boiling point of water, the impact of the water entering the boiler 2 to the temperature of the boiler 2 is smaller, then the water heated to 85-95 ℃ is introduced into the boiler 2 through a first steam heating pipeline 5 communicated with the preheating barrel 1, the water enters the boiler 2 and is heated to be boiled into steam, when the water level in the boiler 2 lacks water, the water is supplemented into the boiler 2 a small amount of times through the preheating barrel 1, the temperature change of the water in the boiler 2 is small, the generated steam is more stable, the steam temperature still does not reach the film working temperature at the moment, so the steam generated by the boiler 2 is introduced into a secondary heating tank 3 for heating treatment to 220-240 ℃, the steam temperature reaches the film working temperature at the moment, the steam is introduced into a steam pipeline 7 arranged at the top of the film furnace 4 from the output end of the secondary heating tank 3, and the steam passes through the steam pipeline 7The uniformly distributed air outlet holes are discharged into the film coating furnace 4, the air is introduced into an air inlet pipeline 8 on the film coating furnace 4, the steam and the air which are introduced into the film coating furnace 4 are mixed, and the initial power P of the boiler 2 is preset 1 Initial valve opening W of butterfly valve 1 The monitoring sensor on the film coating furnace 4 monitors the oxygen content in the furnace to be X in real time 1 In% when X 1 % is lower than the preset value of oxygen content by 8%, the opening of the butterfly valve is increased by 10 degrees, or the power of the boiler 2 is reduced by 4.8kw, when X 1 % is higher than the preset value of oxygen content by 8%, the opening of the butterfly valve is regulated to be smaller by 10 degrees, or the power of the boiler 2 is regulated to be larger by 4.8kw, when X is the same as 1 % reaches the preset oxygen content value of 8%, and the power of the boiler 2 or the initial valve opening of the butterfly valve is not adjusted. After the valve opening of the butterfly valve or the power of the boiler 2 is correspondingly adjusted by a preset value, if the oxygen content X in the film furnace 1 % still not reaching the preset oxygen content value, and when the oxygen content reading on the monitoring sensor is stable, the valve opening of the butterfly valve or the power of the boiler 2 is adjusted again until the preset oxygen content value is reached.
Preferably, the water temperature of the preheating tank 1 is heated to 90 ℃.
Preferably, the steam generated by the boiler is heated to 230 ℃ through the secondary heating tank 3.
In some embodiments, the preheating barrel 1 is internally provided with an L-shaped heating pipe 9, a float switch 10, a float detection mechanism 11 and a temperature sensor mounting pipe 12.
In the embodiment, a plurality of groups of L-shaped heating pipes 9 are arranged at the bottom in the preheating barrel 1, and the L-shaped heating pipes have small volume, high heating power and stable heating. A float switch 10 is arranged in the horizontal direction of the preheating barrel 1, one end of the float switch 10 is connected with a float, when the water level in the preheating barrel 1 is added to the position of the float, the float floats upwards, and the contact of the magnetic reed switch at the other end of the float connecting rod is closed. A floating ball detection mechanism 11 is arranged in the vertical direction of the preheating barrel 1, can accurately measure the water level condition in the preheating barrel 1, and controls the water level or gives a water level warning signal. Meanwhile, a temperature sensor mounting pipe 12 is arranged in the vertical direction of the preheating barrel 1 and used for loading a temperature sensor, the preheating barrel 1 is controlled by the temperature sensor to be heated to 85-95 ℃ by supplementing water, so that the water inlet of the boiler 2 is kept close to the boiling point of the water, the smaller the temperature of the boiler 2 is flushed by the water, and the generated vapor amount is more stable.
In some embodiments, an overflow pipe 13 is provided at one side of the preheating tank 1.
In this embodiment, an overflow pipe 13 is provided at one side of the preheating tank 1, and when the water in the preheating tank 1 exceeds the maximum water level, the excessive water is rapidly discharged through the overflow pipe 13, so that the water level in the preheating tank 1 is maintained at a height not exceeding the maximum water level.
In some embodiments, the secondary heating tank 3 has a vertical cuboid structure.
In this embodiment, the secondary heating tank 3 has a vertical cuboid structure as a whole, and the heating is rapid and the heat preservation effect is good.
In some embodiments, a U-shaped heating pipe 14 is arranged at the central position inside the secondary heating tank 3, and spiral sheets are arranged on the U-shaped heating pipe 14.
In this embodiment, spiral slices are uniformly distributed on the U-shaped heating tube 14 disposed at the central position in the secondary heating tank 3, so that the contact area can be increased, the flow of steam in the U-shaped heating tube 14 is guided, and the steam in the U-shaped heating tube 14 is promoted to be heated uniformly.
In some embodiments, one side of the secondary heating tank 3 is provided with a vapor discharge pipe 15, a vapor discharge pipe 16 and a drain pipe 17.
In this embodiment, a vapor discharge pipe 15, a vapor discharge pipe 16 and a drain pipe 17 are sequentially disposed on one side of the secondary heating tank 3, wherein the vapor is discharged into the coating film furnace 4 through the vapor discharge pipe 15 disposed on the side surface of the secondary heating tank 3, and the output end of the vapor discharge pipe 15 is communicated with the input end of the vapor pipe 7 of the coating film furnace 4, so that the vapor heated to 220-240 ℃ by the secondary heating tank 3 rapidly and directly enters the coating film furnace 4. The steam discharging pipe 16 arranged on the side surface of the secondary heating tank 3 is communicated with the second steam heating pipeline 6 of the boiler 2, and the steam heated in the boiler 2 is introduced into the secondary heating tank 3. Meanwhile, a drain pipe 17 is provided below the vapor drain pipe 16, and condensed water generated after the operation of the secondary heating tank 3 is drained through the drain pipe 17.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of implementing the disclosure, and that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure.
Claims (10)
1. A film coating furnace vapor system is characterized in that,
the capsule furnace vapor system comprises: a preheating barrel, a boiler, a secondary heating tank and a film furnace; the preheating barrel is arranged above the boiler; the boiler is fixed on the boiler bracket; one side of the preheating barrel is communicated with one side of the boiler to form a first steam heating pipeline; a second steam heating pipeline is arranged on one side of the boiler, and steam generated by the boiler enters the secondary heating tank through the second steam heating pipeline;
the output end of the secondary heating tank is connected with the input end of the film coating furnace, the top of the film coating furnace is provided with a steam pipeline and an air inlet pipeline, the steam pipeline is provided with an air outlet hole, and the air inlet pipeline is provided with a butterfly valve.
2. A capsule furnace vapor system as in claim 1 wherein,
the preheating barrel is internally provided with an L-shaped heating pipe, a float switch, a float detection mechanism and a temperature sensor mounting pipe.
3. A capsule furnace vapor system as in claim 1 wherein,
an overflow pipe is arranged on one side of the preheating barrel.
4. A capsule furnace vapor system as in claim 1 wherein,
the preheating barrel is heated to a temperature ranging from 85 ℃ to 95 ℃.
5. A capsule furnace vapor system as in claim 1 wherein,
the secondary heating tank is of a vertical cuboid structure.
6. A capsule furnace vapor system as in claim 1 wherein,
the central position inside the secondary heating tank is provided with a U-shaped heating pipe, and a spiral sheet is arranged on the U-shaped heating pipe.
7. A capsule furnace vapor system as in claim 1 wherein,
one side of the secondary heating tank is provided with a steam discharge pipe, a steam discharge pipe and a drain pipe.
8. A capsule furnace vapor system as in claim 1 wherein,
the temperature range to which the secondary heating tank is heated is 220-240 ℃.
9. A control method for supplying vapor to a coating film furnace, wherein the control method uses the coating film furnace vapor system according to any one of claims 1 to 8,
the initial power of the boiler is set to P 1 The initial valve opening of the butterfly valve is set to W 1 The monitoring sensor on the film coating furnace monitors the oxygen content in the furnace to be X in real time 1 In% when X 1 % is lower than the preset value of oxygen content by 8%, the opening of the butterfly valve is increased by the preset value of the valve opening, or the power of the boiler is reduced by the preset value of the valve opening, and when X 1 % is higher than the preset value of oxygen content by 8%, the opening of the butterfly valve is regulated down, the preset value is regulated down once, or the power of the boiler is regulated up, the preset value is regulated up once, and when X is the value of 1 % reaches the preset value of oxygen content of 8 percent, and the power of the boiler or the initial valve opening of the butterfly valve is not adjusted.
10. A control method for supplying steam to a coating film furnace according to claim 9, wherein,
after the valve opening of the butterfly valve or the power of the boiler is correspondingly adjusted by a preset value, if the oxygen content X in the film coating furnace 1 % still not reaching the preset oxygen content value, and when the oxygen content reading on the monitoring sensor is stable, adjusting the valve opening of the butterfly valve or the power of the boiler again until the adjustment reaches the preset oxygen content value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211731749.4A CN116066811A (en) | 2022-12-30 | 2022-12-30 | Film coating furnace vapor system and control method for supplying vapor to film coating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211731749.4A CN116066811A (en) | 2022-12-30 | 2022-12-30 | Film coating furnace vapor system and control method for supplying vapor to film coating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116066811A true CN116066811A (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211731749.4A Pending CN116066811A (en) | 2022-12-30 | 2022-12-30 | Film coating furnace vapor system and control method for supplying vapor to film coating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116066811A (en) |
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2022
- 2022-12-30 CN CN202211731749.4A patent/CN116066811A/en active Pending
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