SU548621A1 - Method for automatic temperature control of a tubular furnace - Google Patents
Method for automatic temperature control of a tubular furnaceInfo
- Publication number
- SU548621A1 SU548621A1 SU2170593A SU2170593A SU548621A1 SU 548621 A1 SU548621 A1 SU 548621A1 SU 2170593 A SU2170593 A SU 2170593A SU 2170593 A SU2170593 A SU 2170593A SU 548621 A1 SU548621 A1 SU 548621A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- temperature
- fuel
- tubular furnace
- temperature control
- composition
- Prior art date
Links
Landscapes
- Control Of Combustion (AREA)
Description
1one
Изобретение относитс к области автоматизации технологических процессов, а именно процесса получени водорода в трубчатой печи , и может быть использовано в химической и нефтехимической промышленности.The invention relates to the field of automation of technological processes, namely the process of producing hydrogen in a tube furnace, and can be used in the chemical and petrochemical industries.
Известен способ автоматического регулировани режима трубчатой печи, основанный па изменении подачи топлива в зависимости от температуры выходпого продукта с коррекцией по температуре дымовых газов.There is a known method for automatically controlling the mode of a tubular furnace, based on a change in the fuel supply depending on the temperature of the output product with correction for the temperature of the flue gases.
Известен также способ автоматического регулировани режима трубчатой печи, основанный на изменении иодачи топлива в зависимости от расхода и темиературы поступающего продукта, температуры выходпого продукта и окружающего воздуха и величииы т ги.There is also known a method of automatically controlling the mode of a tubular furnace, based on the change in fuel iodine depending on the flow rate and temperature of the incoming product, the temperature of the outgoing product and ambient air, and the magnitude of the draft.
Однако такие сиособы не учитывают основных возмущений в процессе, в то же врем учет темнературы окружающего воздзха не достаточно эффективен, так как в теченне суток мен етс монотонно и незначительно и существенно не вли ет на температурный режим . Не учитываемые возмущени в процессе привод т к колебанн м состава нолучаемого продукта.However, such methods do not take into account the main disturbances in the process; at the same time, taking into account the temperature of ambient air is not sufficiently effective, since it varies monotonically and slightly during the day and does not significantly affect the temperature mode. Ignored process disturbances lead to fluctuations in the composition of the product being obtained.
Целью изобретени вл етс стабилизаци состава нолучаемого продукта.The aim of the invention is to stabilize the composition of the product to be obtained.
Это достигаетс тем, что иодачу топлива осуществл ют в зависимости от температуры дымовых газов и теплотворной способностн This is achieved in that the fuel iodine is performed depending on the temperature of the flue gases and the calorific value
топлива, причем теплотворную способность топлива определ ют по его составу.fuels, the calorific value of the fuel being determined by its composition.
На чертелсе приведена схема реализации способа.The scheme shows the implementation of the method.
Сигналы с датчиков 1, 2 п 3 соответственно расходов природного газа на технологию, пара и состава топливного газа, а датчиков 4 и 5 соответственно температуры парогазовой смеси на входе в реакционные трубы и температуры дымовых газов поступают в вычислительное устройство 6.Signals from sensors 1, 2, and 3, respectively, of natural gas consumption for technology, steam and fuel gas composition, and sensors 4 and 5, respectively, of the vapor-gas mixture temperature at the inlet to the reaction tubes and flue gas temperatures enter computing device 6.
Выходной сигнал вычислнте.тьного устройства пропорционален количеству поступающего продукта и его темиературе, теплотворной способности топлпва и температуре дымовых газов п определ ет количество необходимого топлива. Этот сигнал поступает на регул тор расхода топлива 7 в качестве задани .The output signal of the computed device is proportional to the amount of the incoming product and its temperature, the heating value of the fuel and the temperature of the flue gases n determines the amount of fuel required. This signal is fed to the fuel consumption controller 7 as a reference.
Исиользовапие данного способа позвол ет стабилизировать состав выходного нродукта и сократить расход топлива.The use of this method allows to stabilize the composition of the output product and reduce fuel consumption.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2170593A SU548621A1 (en) | 1975-08-28 | 1975-08-28 | Method for automatic temperature control of a tubular furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2170593A SU548621A1 (en) | 1975-08-28 | 1975-08-28 | Method for automatic temperature control of a tubular furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU548621A1 true SU548621A1 (en) | 1977-02-28 |
Family
ID=20631191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU2170593A SU548621A1 (en) | 1975-08-28 | 1975-08-28 | Method for automatic temperature control of a tubular furnace |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU548621A1 (en) |
-
1975
- 1975-08-28 SU SU2170593A patent/SU548621A1/en active
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