CN102914141A - Temperature control method of temperature-control-type baking oven - Google Patents
Temperature control method of temperature-control-type baking oven Download PDFInfo
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- CN102914141A CN102914141A CN2012104763972A CN201210476397A CN102914141A CN 102914141 A CN102914141 A CN 102914141A CN 2012104763972 A CN2012104763972 A CN 2012104763972A CN 201210476397 A CN201210476397 A CN 201210476397A CN 102914141 A CN102914141 A CN 102914141A
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Abstract
The invention provides a temperature control method of a temperature-control-type baking oven. The temperature control method of the temperature-control-type baking oven comprises the following steps of: designating a group of analyzing conditions, wherein the analyzing conditions at least comprise the temperature of the baking oven and the flow rate of a flow phase; taking the temperature of the baking oven and the flow rate of the flow phase as parameters, and calculating the optimal value of the set temperature of a heating device; calculating the set critical value of the temperature difference between the flow out side and flow inlet side of the baking oven; and adding the optimal value of the set temperature of the heating device and the set critical value of the temperature difference between the flow out side and the flow inlet side so as to calculate the upper limit value of the set temperature of the heating device, wherein the optimal value of the set temperature of the heating device aims to enable the temperature close to the flow inlet of the baking oven and the temperature in the baking oven to be generally equal to the set temperature of the required heating device.
Description
Technical field
The present invention relates to a kind of Temp. control method of temperature control type baking oven.
Background technology
Baking oven is to utilize heating wire interlayer or hot gas to conduct to heat the equipment that makes the object drying.It is applicable to than the baking and banking up with earth of room temperature high 5～300 ℃ (what have is high 200 ℃) scope, drying, heat treatment etc., and sensitivity is generally ± and 1 ℃.Its model is a lot, but basic structure is similar, generally is comprised of casing, heating and automatic temperature control system three parts.
The baking oven shell generally adopts sheet metal to make, surperficial baking vanish, and the operating room adopts the structural steel and iron of high-quality to make.Fill alumina silicate fibre between shell and the operating room.Heater is installed the bottom, also can settle top or both sides.Temperature control instrument adopts Digital display intelligent meter, and PID regulates: setup time controller and be connected with warning device.Make the operation of baking oven easier, quick and effective.
Summary of the invention
The present inventor has developed a kind of Temp. control method of temperature control type baking oven in conjunction with for many years research and development experience, comprising:
Specify a group analysis condition, described analysis condition comprises oven temperature and mobile phase flow rate at least;
Use described oven temperature and described mobile phase flow rate as parameter, calculate the optimum value of the design temperature of described heater;
Calculate the setting critical value of the temperature difference of the flow export side of described baking oven and inflow entrance side; And
With the setting critical value addition of the temperature difference of the optimum value of the design temperature of described heater and described flow export side and inflow entrance side, with the higher limit of the design temperature that calculates described heater;
Wherein, the optimum value of the design temperature of described heater is near the design temperature of the temperature the inflow entrance that makes described baking oven with the identical needed heater of temperature cardinal principle of oven interior.
Preferably, according to a preferred embodiment of the invention, at above-mentioned Temp. control method, described a plurality of analysis conditions are directly specified by user's input value, perhaps indirectly specify by selecting from the data file of pre-stored analysis condition.
Preferably, according to a preferred embodiment of the invention, at above-mentioned Temp. control method, described mobile phase flow rate is larger, and is more by the heat that mobile phase seized, and then the value of the optimum value of the design temperature of described heater is larger.
Preferably, according to a preferred embodiment of the invention, at above-mentioned Temp. control method, after the step of the higher limit of the design temperature that calculates described heater, also comprise: time interval of setting critical value of detecting the temperature difference of described flow export side and inflow entrance side by described temperature sensor; And the formation that calculates the poor critical value of the design temperature of described flow export side and inflow entrance side according to the described time interval.
Should be appreciated that the above generality of the present invention is described and the following detailed description all is exemplary and explanat, and be intended to the further explanation that the invention provides for as claimed in claim.
Description of drawings
Accompanying drawing mainly is be used to providing the present invention further to be understood.Accompanying drawing shows embodiments of the invention, and plays the effect of explaining the principle of the invention with this specification.In the accompanying drawing:
Fig. 1 shows the flow chart of the key step of Temp. control method of the present invention.
Fig. 2 schematically shows the primary structure of applicable temperature control type baking oven of the present invention.
The specific embodiment
Discuss a plurality of embodiment of the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 shows the flow chart of the key step of Temp. control method of the present invention.The Temp. control method 100 of temperature control type baking oven of the present invention may further comprise the steps.
Step 101: specify a group analysis condition, described analysis condition comprises oven temperature and mobile phase flow rate at least.According to a preferred embodiment of the present invention, described a plurality of analysis conditions are directly specified by user's input value, perhaps indirectly specify by selecting from the data file of pre-stored analysis condition.
Step 102: use described oven temperature and described mobile phase flow rate as parameter, calculate the optimum value of the design temperature of described heater.Wherein, the optimum value of the design temperature of described heater is near the design temperature of the temperature the inflow entrance that makes described baking oven with the identical needed heater of temperature cardinal principle of oven interior.Preferably, described mobile phase flow rate is larger, and is more by the heat that mobile phase seized, and then the value of the optimum value of the design temperature of described heater is larger.Owing to the inflow without the mobile phase of temperature adjustment causes more heat to be seized, therefore the optimum value of the design temperature of described inflow entrance side becomes the value greater than the oven interior temperature such as, inflow entrance side.In addition, described mobile phase flow rate is larger, and is more by the heat that mobile phase seized, and therefore the value of the optimum value of the design temperature of described inflow entrance side also becomes large.
Step 103: the setting critical value that calculates the temperature difference of the flow export side of described baking oven and inflow entrance side.For example, if the design temperature of inflow entrance side is too high, then the heating meeting of described inflow entrance side is conducted in heat pipe, and the detected temperatures of flow export side temperature sensor surpasses the design temperature of flow export side, can't carry out the temperature control of flow export side.Plant here situation for anti-, in the present invention, the poor regulation critical value of the design temperature of the design temperature of convection current outlet side and inflow entrance side.
Step 104: with the setting critical value addition of the temperature difference of the optimum value of the design temperature of described heater and described flow export side and inflow entrance side, with the higher limit of the design temperature that calculates described heater.
Preferably, according to a preferred embodiment of the invention, in above-mentioned Temp. control method 100, after the step 104 of the higher limit of the design temperature that calculates described heater, can also comprise: time interval (step 105) of setting critical value of detecting the temperature difference of described flow export side and inflow entrance side by described temperature sensor; And the formation (step 106) that calculates the poor critical value of the design temperature of described flow export side and inflow entrance side according to the described time interval.
Fig. 2 schematically shows the primary structure of applicable temperature control type baking oven of the present invention.As shown in the figure, temperature control type baking oven 200 of the present invention mainly comprises: casing 201, drying cavity 202, heating circuit 203, airflow guiding device 204, heater 205, cooling circuit 206, cooling device 207, temperature control equipment 208.
Preferably, according to a preferred embodiment of the invention, in above-mentioned temperature control type baking oven 200, described heater 205 is electric heater unit or liquid medium heater, and described cooling device 207 is a cooling water water recovery apparatus.
In addition, as shown in Figure 2, above-mentioned temperature control type baking oven 200 can also comprise: drive motors 209 is arranged at outside the described casing 201 and via a rotating shaft and is connected with described airflow guiding device 204, thereby this airflow guiding device 204 is implemented to drive.
Above-described embodiment provides to those of ordinary skills and realizes or use of the present invention; those of ordinary skills can be in the situation that do not break away from invention thought of the present invention; above-described embodiment is made various modifications or variation; thereby protection scope of the present invention do not limit by above-described embodiment, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (4)
1. the Temp. control method of a temperature control type baking oven comprises:
Specify a group analysis condition, described analysis condition comprises oven temperature and mobile phase flow rate at least;
Use described oven temperature and described mobile phase flow rate as parameter, calculate the optimum value of the design temperature of described heater;
Calculate the setting critical value of the temperature difference of the flow export side of described baking oven and inflow entrance side; And
With the setting critical value addition of the temperature difference of the optimum value of the design temperature of described heater and described flow export side and inflow entrance side, with the higher limit of the design temperature that calculates described heater;
Wherein, the optimum value of the design temperature of described heater is near the design temperature of the temperature the inflow entrance that makes described baking oven with the identical needed heater of temperature cardinal principle of oven interior.
2. Temp. control method as claimed in claim 1 is characterized in that, described a plurality of analysis conditions are directly specified by user's input value, perhaps indirectly specifies by selecting from the data file of pre-stored analysis condition.
3. Temp. control method as claimed in claim 1 is characterized in that, described mobile phase flow rate is larger, and is more by the heat that mobile phase seized, and then the value of the optimum value of the design temperature of described heater is larger.
4. Temp. control method as claimed in claim 1 is characterized in that, after the step of the higher limit of the design temperature that calculates described heater, also comprises:
Detect time interval of setting critical value of the temperature difference of described flow export side and inflow entrance side by described temperature sensor; And
Calculate the formation of the poor critical value of the design temperature of described flow export side and inflow entrance side according to the described time interval.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104763972A CN102914141A (en) | 2012-11-22 | 2012-11-22 | Temperature control method of temperature-control-type baking oven |
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| CN2012104763972A CN102914141A (en) | 2012-11-22 | 2012-11-22 | Temperature control method of temperature-control-type baking oven |
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| CN102914141A true CN102914141A (en) | 2013-02-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105146678A (en) * | 2015-08-31 | 2015-12-16 | 小米科技有限责任公司 | Method and device for controlling dryer |
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| US3699665A (en) * | 1970-12-29 | 1972-10-24 | Foxboro Co | Batch dryer control apparatus |
| JP2000346558A (en) * | 1999-06-07 | 2000-12-15 | Iseki & Co Ltd | Drying equipment |
| CN1721158A (en) * | 2004-01-29 | 2006-01-18 | 曼＋胡默尔普罗特克有限责任公司 | Automatic control for drying granular material |
| JP3146025U (en) * | 2008-08-20 | 2008-10-30 | 株式会社島津製作所 | Gas chromatograph |
| CN101622535A (en) * | 2007-02-23 | 2010-01-06 | 东曹株式会社 | Column oven with double temperature control |
| CN201688665U (en) * | 2010-04-19 | 2010-12-29 | 嘉兴市中新医疗仪器有限公司 | Rapid hot-air sterilizer |
| CN102262138A (en) * | 2010-05-31 | 2011-11-30 | 株式会社岛津制作所 | Column oven |
| CN102269530A (en) * | 2011-08-26 | 2011-12-07 | 西南铝业（集团）有限责任公司 | Furnace temperature control method and furnace temperature control device |
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- 2012-11-22 CN CN2012104763972A patent/CN102914141A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3699665A (en) * | 1970-12-29 | 1972-10-24 | Foxboro Co | Batch dryer control apparatus |
| JP2000346558A (en) * | 1999-06-07 | 2000-12-15 | Iseki & Co Ltd | Drying equipment |
| CN1721158A (en) * | 2004-01-29 | 2006-01-18 | 曼＋胡默尔普罗特克有限责任公司 | Automatic control for drying granular material |
| CN101622535A (en) * | 2007-02-23 | 2010-01-06 | 东曹株式会社 | Column oven with double temperature control |
| JP3146025U (en) * | 2008-08-20 | 2008-10-30 | 株式会社島津製作所 | Gas chromatograph |
| CN201688665U (en) * | 2010-04-19 | 2010-12-29 | 嘉兴市中新医疗仪器有限公司 | Rapid hot-air sterilizer |
| CN102262138A (en) * | 2010-05-31 | 2011-11-30 | 株式会社岛津制作所 | Column oven |
| CN102269530A (en) * | 2011-08-26 | 2011-12-07 | 西南铝业（集团）有限责任公司 | Furnace temperature control method and furnace temperature control device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105146678A (en) * | 2015-08-31 | 2015-12-16 | 小米科技有限责任公司 | Method and device for controlling dryer |
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Application publication date: 20130206 |